/* ============================================
   H.Eltahan & Co. Engineering Group
   Design System & Global Styles
   ============================================ */

/* --- CSS Variables (Design Tokens) --- */
:root {
  /* Brand Colors — matched to Logo.html and favicon.svg */
  --color-primary: #1a2741;
  --color-primary-light: #243352;
  --color-primary-dark: #101827;
  --color-secondary: #3aa5a9;
  --color-secondary-light: #62c0c4;
  --color-accent: #d8dce3;
  --color-slate: #5a6475;
  --color-primary-rgb: 26, 39, 65;
  --color-secondary-rgb: 58, 165, 169;

  /* Neutrals */
  --color-white: #ffffff;
  --color-off-white: #f3f5f8;
  --color-light-gray: #d8dce3;
  --color-gray: #5a6475;
  --color-dark-gray: #343a40;
  --color-dark: #1a2741;
  --color-black: #0a0a0a;

  /* Status */
  --color-success: #27ae60;
  --color-warning: #f39c12;
  --color-error: #e74c3c;

  /* Typography */
  --font-en: "Inter", "Segoe UI", sans-serif;
  --font-ar: "Tajawal", "Segoe UI", sans-serif;
  --font-heading: var(--font-en);
  --font-body: var(--font-en);

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --header-height: 80px;

  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 8px;
  --radius-2xl: 24px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Direction */
  --dir: ltr;
  --text-align: left;
  --text-align-opposite: right;
  --float-start: left;
  --float-end: right;
  --margin-start: margin-left;
  --margin-end: margin-right;
}

/* RTL Overrides */
[dir="rtl"] {
  --font-heading: var(--font-ar);
  --font-body: var(--font-ar);
  --dir: rtl;
  --text-align: right;
  --text-align-opposite: left;
  --float-start: right;
  --float-end: left;
}

/* ============================================
   RESET & BASE
   ============================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-dark);
  background-color: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

ul,
ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================
   UTILITIES
   ============================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

.text-center {
  text-align: center;
}
.text-start {
  text-align: var(--text-align);
}
.text-end {
  text-align: var(--text-align-opposite);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary-dark);
}

h1 {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-6);
}
h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-5);
}
h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}
h4 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-dark-gray);
}

.lead {
  font-size: var(--text-lg);
  color: var(--color-gray);
  line-height: 1.8;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-header .badge {
  display: inline-block;
  padding: var(--space-2) var(--space-5);
  background: linear-gradient(
    135deg,
    rgba(26, 39, 65, 0.08),
    rgba(58, 165, 169, 0.12)
  );
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  color: var(--color-gray);
  font-size: var(--text-lg);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-primary-dark);
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background: var(--color-secondary-light);
  border-color: var(--color-secondary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-outline-white:hover {
  background: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-white:hover {
  background: var(--color-off-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--color-light-gray);
  box-shadow: var(--shadow-sm);
}

.header .container-wide {
  display: flex;
  align-items: center;
  height: 100%;
}

.header .nav {
  flex: 1;
  justify-content: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  font-weight: 800;
  color: var(--color-primary-dark);
  z-index: 1001;
  white-space: nowrap;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 900;
  font-size: var(--text-lg);
}

.logo-img {
  height: 44px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

/* Hide logo text in header — keep only logo image */
.header .logo > span,
.admin-header .logo > span {
  display: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-dark-gray);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  transition:
    width var(--transition-base),
    left var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: rgba(26, 39, 65, 0.06);
}

.nav-link.active::after {
  width: 60%;
  left: 20%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: var(--color-off-white);
  border-radius: var(--radius-2xl);
  padding: 3px;
  border: 1px solid var(--color-light-gray);
}

.lang-btn {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-2xl);
  transition: all var(--transition-fast);
  color: var(--color-gray);
  min-width: 36px;
  text-align: center;
}

.lang-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.lang-btn:hover:not(.active) {
  color: var(--color-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: 1001;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    135deg,
    var(--color-primary-dark) 0%,
    var(--color-primary) 50%,
    var(--color-primary-light) 100%
  );
  padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-16);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1.1fr);
  gap: var(--space-12);
  align-items: center;
}

.hero-text {
  color: var(--color-white);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  font-size: var(--text-sm);
  color: var(--color-secondary);
  margin-bottom: var(--space-6);
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: var(--text-5xl);
  color: var(--color-white);
  line-height: 1.06;
  margin-bottom: var(--space-5);
  max-width: 670px;
}

.hero-title .highlight {
  color: var(--color-secondary);
  position: relative;
}

.hero-description {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.68;
  margin-bottom: var(--space-6);
  max-width: 560px;
}

.hero-niches {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  max-width: 650px;
}

.hero-niche {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid rgba(var(--color-secondary-rgb), 0.36);
  background: rgba(var(--color-secondary-rgb), 0.1);
  color: rgba(255, 255, 255, 0.88);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
}

.hero-niche::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat h3 {
  font-size: var(--text-3xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-1);
}

.hero-stat p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-graphic {
  width: 100%;
  max-width: 560px;
  position: relative;
}

.hero-evidence-panel {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  backdrop-filter: blur(6px);
}

.hero-evidence-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-evidence-kicker {
  color: var(--color-secondary);
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: var(--space-1);
}

.hero-evidence-title {
  color: var(--color-white);
  font-weight: 800;
  line-height: 1.25;
}

.hero-evidence-status {
  color: rgba(255, 255, 255, 0.82);
  background: rgba(var(--color-secondary-rgb), 0.14);
  border: 1px solid rgba(var(--color-secondary-rgb), 0.35);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  white-space: nowrap;
}

.hero-evidence-visual {
  padding: var(--space-4);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
}

.hero-evidence-visual svg {
  width: 100%;
  min-height: 220px;
  display: block;
}

.hero-evidence-footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-evidence-metric {
  padding: var(--space-3) var(--space-4);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-evidence-metric:last-child {
  border-right: none;
}

.hero-evidence-metric strong {
  display: block;
  color: var(--color-secondary);
  font-size: var(--text-lg);
  margin-bottom: var(--space-1);
}

.hero-evidence-metric span {
  color: rgba(255, 255, 255, 0.68);
  font-size: var(--text-xs);
  line-height: 1.4;
}

.brand-mark-mini {
  width: 42px;
  height: 42px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  flex-shrink: 0;
}

.brand-mark-mini span {
  display: block;
  border-radius: 2px;
}

.brand-mark-mini span:nth-child(1) {
  background: var(--color-white);
}

.brand-mark-mini span:nth-child(2),
.brand-mark-mini span:nth-child(3) {
  background: var(--color-secondary);
}

.brand-mark-mini span:nth-child(4) {
  background: var(--color-accent);
}

.stress-zone {
  animation: stress-sweep 4s ease-in-out infinite;
  transform-origin: center;
}

@keyframes stress-sweep {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
    transform: translateX(4px);
  }
}

.load-arrow {
  animation: load-pulse 2.8s ease-in-out infinite;
}

@keyframes load-pulse {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.75;
  }
  50% {
    transform: translateY(5px);
    opacity: 1;
  }
}

.hero-graphic .center-icon {
  width: 120px;
  height: 120px;
  background: var(--color-secondary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-4xl);
  color: var(--color-primary-dark);
  box-shadow: 0 20px 60px rgba(58, 165, 169, 0.3);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
}

.about-image .overlay-pattern {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M20 20h20v20H20z'/%3E%3C/g%3E%3C/svg%3E");
}

.about-image .floating-card {
  position: absolute;
  bottom: var(--space-6);
  right: var(--space-6);
  background: var(--color-white);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

[dir="rtl"] .about-image .floating-card {
  right: auto;
  left: var(--space-6);
}

.floating-card .icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--text-xl);
}

.floating-card h4 {
  font-size: var(--text-2xl);
  color: var(--color-primary);
  margin: 0;
}

.floating-card p {
  font-size: var(--text-sm);
  color: var(--color-gray);
  margin: 0;
}

.about-visual-shell {
  aspect-ratio: auto;
  min-height: 460px;
  padding: var(--space-5);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  background-size: 32px 32px, 32px 32px, auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-xl);
}

.about-visual-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--color-white);
}

.about-visual-header span {
  display: block;
  color: var(--color-secondary);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.about-visual-header strong {
  display: block;
  max-width: 320px;
  font-size: var(--text-xl);
  line-height: 1.25;
}

.assessment-diagram {
  flex: 1;
  min-height: 270px;
  border: 1px solid rgba(216, 220, 227, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.assessment-diagram svg {
  width: 100%;
  height: 100%;
  display: block;
}

.visual-proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.visual-proof-grid div {
  padding: var(--space-4);
  border: 1px solid rgba(216, 220, 227, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
}

.visual-proof-grid strong,
.visual-proof-grid span {
  display: block;
}

.visual-proof-grid strong {
  color: var(--color-secondary);
  font-size: var(--text-2xl);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.visual-proof-grid span {
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--text-xs);
  line-height: 1.35;
}

.about-content .about-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-5);
  background: linear-gradient(
    135deg,
    rgba(26, 39, 65, 0.08),
    rgba(58, 165, 169, 0.12)
  );
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-off-white);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.about-feature:hover {
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.about-feature .feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--text-base);
}

.about-feature h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.about-feature p {
  font-size: var(--text-sm);
  color: var(--color-gray);
  margin: 0;
  line-height: 1.5;
}

/* ============================================
   VISION & MISSION
   ============================================ */
.mission-panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 0.85fr);
  gap: var(--space-8);
  align-items: stretch;
}

.mission-copy-stack {
  display: grid;
  gap: var(--space-5);
}

.mission-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-5);
  background: var(--color-white);
  border: 1px solid rgba(26, 39, 65, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.mission-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mission-card h3 {
  margin-bottom: var(--space-3);
}

.mission-card .lead {
  margin: 0;
  color: var(--color-gray);
}

.mission-visual {
  min-height: 100%;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  background-size: 30px 30px, 30px 30px, auto;
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

.mission-visual-title span {
  display: block;
  color: var(--color-secondary);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.mission-visual-title strong {
  display: block;
  max-width: 360px;
  font-size: var(--text-xl);
  line-height: 1.3;
}

.method-ring {
  position: relative;
  min-height: 330px;
  margin: var(--space-6) 0;
  border: 1px solid rgba(216, 220, 227, 0.18);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
}

.method-ring::before,
.method-ring::after {
  content: "";
  position: absolute;
  inset: 46px;
  border: 1px solid rgba(98, 192, 196, 0.32);
  border-radius: 50%;
}

.method-ring::after {
  inset: 92px;
  border-color: rgba(216, 220, 227, 0.18);
}

.method-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 96px;
  height: 96px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--color-secondary);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: var(--text-2xl);
  box-shadow: 0 18px 48px rgba(58, 165, 169, 0.28);
}

.method-node {
  position: absolute;
  width: 136px;
  padding: var(--space-3);
  border: 1px solid rgba(216, 220, 227, 0.22);
  border-radius: var(--radius-md);
  background: rgba(16, 24, 39, 0.68);
}

.method-node strong,
.method-node span {
  display: block;
}

.method-node strong {
  color: var(--color-secondary);
  font-size: var(--text-xs);
  margin-bottom: var(--space-1);
}

.method-node span {
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.25;
}

.method-node-1 {
  left: var(--space-5);
  top: var(--space-5);
}

.method-node-2 {
  right: var(--space-5);
  top: var(--space-5);
}

.method-node-3 {
  left: var(--space-5);
  bottom: var(--space-5);
}

.method-node-4 {
  right: var(--space-5);
  bottom: var(--space-5);
}

.mission-visual-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}

.mission-visual-footer span {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  background: rgba(var(--color-secondary-rgb), 0.13);
  color: rgba(255, 255, 255, 0.82);
  font-size: var(--text-xs);
  font-weight: 700;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-secondary)
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card .card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(
    135deg,
    rgba(26, 39, 65, 0.08),
    rgba(58, 165, 169, 0.12)
  );
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.service-card:hover .card-icon {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  color: var(--color-white);
}

.service-card h3 {
  margin-bottom: var(--space-3);
  max-width: 520px;
}

.service-card p {
  color: var(--color-gray);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.service-card .card-features {
  margin-bottom: var(--space-5);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-1) var(--space-4);
}

.service-card .card-features li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
}

.service-card .card-features li::before {
  content: "✓";
  color: var(--color-secondary);
  font-weight: 700;
  font-size: var(--text-xs);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--color-primary);
  font-size: var(--text-sm);
  transition: gap var(--transition-base);
  margin-top: auto;
}

.card-link:hover {
  gap: var(--space-3);
  color: var(--color-primary-light);
}

.card-link .arrow {
  transition: transform var(--transition-base);
}

[dir="rtl"] .card-link .arrow {
  transform: rotate(180deg);
}

[dir="rtl"] .card-link:hover .arrow {
  transform: rotate(180deg) translateX(4px);
}

.project-filter-bar,
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.filter-btn {
  border: 1px solid rgba(26, 39, 65, 0.12);
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 800;
  cursor: pointer;
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.project-experience-grid {
  align-items: stretch;
}

.project-experience-card {
  border-left: 4px solid rgba(var(--color-secondary-rgb), 0.72);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-6);
}

.project-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--color-light-gray);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.project-card .card-image {
  height: 220px;
  position: relative;
  overflow: hidden;
}

.project-card .card-image .img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-4xl);
  color: rgba(255, 255, 255, 0.4);
}

.project-card .card-image .category-tag {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  padding: var(--space-1) var(--space-3);
  background: var(--color-white);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-2xl);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

[dir="rtl"] .project-card .card-image .category-tag {
  left: auto;
  right: var(--space-4);
}

.project-card .card-body {
  padding: var(--space-6);
}

.project-card h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-xl);
}

.company-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: linear-gradient(
    135deg,
    rgba(58, 165, 169, 0.1),
    rgba(26, 39, 65, 0.08)
  );
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-2xl);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--space-3);
}

.company-tag .tag-icon {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  background: var(--color-secondary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.project-card p {
  color: var(--color-gray);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.leadership-visual-card {
  border-radius: var(--radius-xl);
  min-height: 320px;
  padding: clamp(1.25rem, 2.6vw, 2rem);
  background: radial-gradient(
      circle at 78% 18%,
      rgba(242, 198, 109, 0.28),
      transparent 40%
    ),
    radial-gradient(circle at 22% 85%, rgba(98, 192, 196, 0.25), transparent 45%),
    linear-gradient(145deg, #152036 0%, #1f3356 52%, #2b5c76 100%);
  border: 1px solid rgba(216, 220, 227, 0.2);
  box-shadow: 0 24px 46px rgba(16, 24, 39, 0.28);
  position: relative;
  overflow: hidden;
}

.leadership-visual-card::before,
.leadership-visual-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  pointer-events: none;
}

.leadership-visual-card::before {
  width: 260px;
  height: 260px;
  top: -110px;
  right: -70px;
}

.leadership-visual-card::after {
  width: 190px;
  height: 190px;
  bottom: -75px;
  left: -40px;
}

.leadership-visual-inner {
  height: 100%;
  min-height: 278px;
  border-radius: calc(var(--radius-xl) - 0.25rem);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(
    170deg,
    rgba(255, 255, 255, 0.12),
    rgba(255, 255, 255, 0.04)
  );
  backdrop-filter: blur(1px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  text-align: center;
  position: relative;
  z-index: 1;
  padding: var(--space-6);
}

.leadership-kicker {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.74);
  font-weight: 700;
}

.leadership-monogram {
  margin: 0;
  font-size: clamp(4.2rem, 9.2vw, 6.8rem);
  line-height: 0.9;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 14px 36px rgba(7, 10, 20, 0.42);
}

.leadership-divider {
  width: min(180px, 64%);
  height: 2px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0),
    rgba(242, 198, 109, 0.9),
    rgba(255, 255, 255, 0)
  );
}

.leadership-caption {
  margin: 0;
  color: rgba(255, 255, 255, 0.95);
  font-size: var(--text-lg);
  font-weight: 700;
}

.leadership-subcaption {
  margin: 0;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.78);
}

[dir="rtl"] .leadership-kicker {
  letter-spacing: 0.08em;
}

@media (max-width: 900px) {
  .leadership-visual-card {
    min-height: 280px;
  }

  .leadership-visual-inner {
    min-height: 240px;
  }
}

/* ============================================
   TEAM SECTION
   ============================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}

.team-card {
  text-align: center;
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  transition: all var(--transition-base);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.team-card .avatar {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-white);
}

.team-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
}

.team-card .role {
  color: var(--color-secondary);
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

.team-card p {
  color: var(--color-gray);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ============================================
   CAREERS SECTION
   ============================================ */
.careers-banner {
  background: linear-gradient(
    135deg,
    var(--color-primary-dark),
    var(--color-primary)
  );
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.careers-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(58, 165, 169, 0.15), transparent);
  border-radius: 50%;
}

.careers-banner h2 {
  color: var(--color-white);
  position: relative;
  z-index: 1;
}

.careers-banner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  position: relative;
  z-index: 1;
}

.careers-banner .btn {
  position: relative;
  z-index: 1;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
}

.contact-info {
  padding: var(--space-8);
  background: linear-gradient(
    135deg,
    var(--color-primary-dark),
    var(--color-primary)
  );
  border-radius: var(--radius-xl);
  color: var(--color-white);
}

.contact-info h3 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.contact-info p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-item .icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
}

.contact-item h4 {
  color: var(--color-white);
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.contact-item p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.contact-form {
  padding: var(--space-8);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
  color: var(--color-dark-gray);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
  background: var(--color-off-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer h4 {
  color: var(--color-white);
  font-size: var(--text-base);
  margin-bottom: var(--space-5);
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-links a:hover {
  color: var(--color-secondary);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: var(--text-sm);
  margin: 0;
}

/* ============================================
   PAGE HERO (Inner Pages)
   ============================================ */
.page-hero {
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
  background: linear-gradient(
    135deg,
    var(--color-primary-dark),
    var(--color-primary)
  );
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  position: relative;
  z-index: 1;
}

.page-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.page-hero .breadcrumb a:hover {
  color: var(--color-secondary);
}

.page-hero .breadcrumb .separator {
  color: rgba(255, 255, 255, 0.3);
}

.page-hero h1 {
  color: var(--color-white);
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-4);
}

.page-hero p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-lg);
  max-width: 600px;
  position: relative;
  z-index: 1;
}

/* ============================================
   SERVICE DETAIL LAYOUTS
   ============================================ */
/* Layout 1: Corporate Structured */
.service-overview {
  background: var(--color-off-white);
}

.overview-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-white);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-light-gray);
  transition: all var(--transition-base);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-card .icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
  counter-reset: step;
}

.process-step {
  counter-increment: step;
  position: relative;
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-light-gray);
  transition: all var(--transition-base);
}

.process-step:hover {
  box-shadow: var(--shadow-md);
}

.process-step .step-number {
  width: 48px;
  height: 48px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-lg);
  margin: 0 auto var(--space-4);
}

/* Layout 2: Modern UX */
.service-modern {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--space-10);
}

.service-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-6));
  align-self: start;
}

.sidebar-nav {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.sidebar-nav a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-gray);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-1);
  transition: all var(--transition-fast);
  font-weight: 500;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(26, 39, 65, 0.06);
  color: var(--color-primary);
}

.sidebar-nav a.active {
  font-weight: 600;
  border-left: 3px solid var(--color-primary);
}

[dir="rtl"] .sidebar-nav a.active {
  border-left: none;
  border-right: 3px solid var(--color-primary);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-off-white);
  border-radius: var(--radius-md);
}

.benefit-item .check {
  color: var(--color-success);
  font-size: var(--text-xl);
  margin-top: 2px;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-5);
}

.use-case-card {
  padding: var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.use-case-card:hover {
  box-shadow: var(--shadow-md);
}

.use-case-card .icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.faq-list {
  max-width: 800px;
}

.faq-item {
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  font-weight: 600;
  font-size: var(--text-base);
  text-align: var(--text-align);
  background: var(--color-white);
  transition: background var(--transition-fast);
}

.faq-question:hover {
  background: var(--color-off-white);
}

.faq-question .toggle {
  transition: transform var(--transition-base);
  font-size: var(--text-lg);
  color: var(--color-gray);
}

.faq-item.open .faq-question .toggle {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--color-gray);
  line-height: 1.7;
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
}

/* Layout 3: Storytelling */
.story-section {
  position: relative;
}

.story-section .story-content {
  max-width: 800px;
  margin: 0 auto;
}

.story-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  margin-bottom: var(--space-16);
}

.story-block.reverse {
  direction: ltr;
}

.story-block.reverse > :first-child {
  order: 2;
}

.story-block.reverse > :last-child {
  order: 1;
}

[dir="rtl"] .story-block.reverse {
  direction: rtl;
}

.story-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-5xl);
  color: rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

/* ============================================
   PROJECT DETAIL LAYOUTS
   ============================================ */
/* Layout 1: Case Study */
.case-study-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.case-study-card {
  background: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-light-gray);
}

.case-study-card .icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
}

.result-card {
  text-align: center;
  padding: var(--space-8);
  background: linear-gradient(
    135deg,
    var(--color-primary-dark),
    var(--color-primary)
  );
  border-radius: var(--radius-xl);
  color: var(--color-white);
}

.result-card h3 {
  font-size: var(--text-4xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.result-card p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

/* Layout 2: Visual Focus */
.visual-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.visual-gallery .gallery-item {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  color: rgba(255, 255, 255, 0.4);
  transition: transform var(--transition-base);
}

.visual-gallery .gallery-item:hover {
  transform: scale(1.02);
}

.visual-gallery .gallery-item.large {
  grid-column: span 2;
  grid-row: span 2;
}

.project-brief {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.brief-item {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
}

.brief-item .label {
  font-size: var(--text-sm);
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-2);
}

.brief-item .value {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
}

/* Project Detail — Simplified Layout */
.project-location {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-lg);
  margin-top: var(--space-3);
}

.project-description {
  max-width: 800px;
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-dark-gray);
}

.project-description p {
  margin-bottom: var(--space-6);
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}

@media (max-width: 768px) {
  .project-gallery {
    grid-template-columns: 1fr;
  }
}

/* Layout 3: Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-8) 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-light-gray);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--space-10);
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
  text-align: var(--text-align-opposite);
}

.timeline-item .timeline-content {
  width: calc(50% - 40px);
  padding: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-light-gray);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.timeline-item .timeline-content:hover {
  box-shadow: var(--shadow-md);
}

.timeline-item .timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  border: 4px solid var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.timeline-item .timeline-date {
  font-size: var(--text-sm);
  color: var(--color-secondary);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.milestones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-5);
}

.milestone-card {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.milestone-card:hover {
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

.milestone-card .icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

/* ============================================
   PORTFOLIO LAYOUTS (Engineer Profile)
   ============================================ */

/* Timeline Layout */
.portfolio-layout-timeline {
  display: flex;
  flex-direction: column;
  position: relative;
  padding-left: var(--space-8);
}

.portfolio-layout-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--color-primary),
    var(--color-secondary)
  );
}

.portfolio-layout-timeline .timeline-item {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  margin-bottom: var(--space-6);
  position: relative;
}

.portfolio-layout-timeline .timeline-item:nth-child(odd) {
  flex-direction: row;
  text-align: left;
}

.portfolio-layout-timeline .timeline-dot {
  position: absolute;
  left: calc(-1 * var(--space-8) + 2px);
  top: var(--space-4);
  width: 14px;
  height: 14px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  border: 3px solid var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.portfolio-layout-timeline .timeline-content {
  width: 100%;
  padding: var(--space-5);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-light-gray);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.portfolio-layout-timeline .timeline-content:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

/* Masonry Layout */
.portfolio-layout-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
  grid-auto-flow: dense;
}

.masonry-item {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-light-gray);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.masonry-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.masonry-item .card-body {
  padding: var(--space-5);
}

.masonry-item .category-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-off-white);
  border-radius: var(--radius-2xl);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.masonry-large {
  grid-column: span 2;
}

@media (max-width: 768px) {
  .masonry-large {
    grid-column: span 1;
  }
  .portfolio-layout-masonry {
    grid-template-columns: 1fr;
  }
  .portfolio-layout-timeline {
    padding-left: var(--space-6);
  }
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(
    135deg,
    var(--color-primary-dark),
    var(--color-primary)
  );
  padding: var(--space-16) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
}

.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

[dir="rtl"] .slide-left {
  transform: translateX(40px);
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

[dir="rtl"] .slide-right {
  transform: translateX(-40px);
}

.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) {
  transition-delay: 0.1s;
}
.stagger-children.visible > *:nth-child(2) {
  transition-delay: 0.2s;
}
.stagger-children.visible > *:nth-child(3) {
  transition-delay: 0.3s;
}
.stagger-children.visible > *:nth-child(4) {
  transition-delay: 0.4s;
}
.stagger-children.visible > *:nth-child(5) {
  transition-delay: 0.5s;
}
.stagger-children.visible > *:nth-child(6) {
  transition-delay: 0.6s;
}

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 999;
}

[dir="rtl"] .back-to-top {
  right: auto;
  left: var(--space-8);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-light);
  transform: translateY(-4px);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
  .hero-content {
    gap: var(--space-10);
  }

  .hero-graphic {
    width: 100%;
    max-width: 520px;
  }
}

@media (min-width: 1200px) {
  .hero-title {
    font-size: var(--text-6xl);
  }
}

@media (max-width: 992px) {
  h1 {
    font-size: var(--text-4xl);
  }
  h2 {
    font-size: var(--text-3xl);
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    text-align: left;
  }

  .hero-description {
    margin: 0 0 var(--space-6);
  }

  .hero-buttons {
    justify-content: flex-start;
  }

  .hero-stats {
    justify-content: flex-start;
  }

  .hero-visual {
    display: flex;
    max-width: 640px;
    margin: 0 auto;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-image:not(.about-visual-shell) {
    max-height: 400px;
  }

  .about-visual-shell {
    min-height: auto;
  }

  .mission-panel-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .service-modern {
    grid-template-columns: 1fr;
  }

  .service-sidebar {
    position: static;
  }

  .sidebar-nav {
    display: flex;
    overflow-x: auto;
    gap: var(--space-2);
  }

  .sidebar-nav a {
    white-space: nowrap;
    margin: 0;
  }

  .overview-grid {
    grid-template-columns: 1fr;
  }

  .case-study-grid {
    grid-template-columns: 1fr;
  }

  .project-brief {
    grid-template-columns: 1fr 1fr;
  }

  .story-block {
    grid-template-columns: 1fr;
  }

  .story-block.reverse > :first-child {
    order: 0;
  }

  .story-block.reverse > :last-child {
    order: 0;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .container,
  .container-wide {
    padding: 0 var(--space-4);
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-12);
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

  .hero-niches {
    display: grid;
    grid-template-columns: 1fr;
    max-width: none;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    text-align: left;
  }

  .hero-evidence-footer {
    grid-template-columns: 1fr;
  }

  .hero-evidence-metric {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .hero-evidence-metric:last-child {
    border-bottom: 0;
  }

  .visual-proof-grid {
    grid-template-columns: 1fr;
  }

  .mission-card {
    grid-template-columns: 1fr;
  }

  .method-ring {
    min-height: 430px;
  }

  .method-ring::before,
  .method-ring::after {
    display: none;
  }

  .method-core {
    top: var(--space-5);
    transform: translateX(-50%);
  }

  .method-node {
    left: var(--space-5);
    right: var(--space-5);
    width: auto;
  }

  .method-node-1 {
    top: 140px;
  }

  .method-node-2 {
    top: 210px;
  }

  .method-node-3 {
    top: 280px;
    bottom: auto;
  }

  .method-node-4 {
    top: 350px;
    bottom: auto;
  }

  .section {
    padding: var(--space-16) 0;
  }

  .nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    z-index: 1000;
  }

  .nav.open {
    display: flex;
  }

  .nav-link {
    font-size: var(--text-xl);
    padding: var(--space-3) var(--space-6);
  }

  .menu-toggle {
    display: flex;
  }

  .nav-actions {
    display: none;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .service-card .card-features {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .visual-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .visual-gallery .gallery-item.large {
    grid-column: span 2;
    grid-row: span 1;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: row;
    text-align: var(--text-align);
  }

  .timeline-item .timeline-content {
    width: calc(100% - 60px);
    margin-left: 40px;
  }

  [dir="rtl"] .timeline-item .timeline-content {
    margin-left: 0;
    margin-right: 40px;
  }

  .timeline-item .timeline-dot {
    left: 20px;
  }

  .careers-banner {
    padding: var(--space-10) var(--space-6);
  }

  .project-brief {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--text-3xl);
  }

  .hero-niches {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-evidence-title,
  .about-visual-header strong,
  .mission-visual-title strong {
    font-size: var(--text-base);
  }

  .brand-mark-mini {
    width: 34px;
    height: 34px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-lg {
    width: 100%;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .visual-gallery {
    grid-template-columns: 1fr;
  }

  .visual-gallery .gallery-item.large {
    grid-column: span 1;
  }
}

/* ============================================
   ADMIN LOGIN SCREEN
   ============================================ */
.admin-login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--color-primary-dark) 0%,
    var(--color-primary) 50%,
    var(--color-primary-light) 100%
  );
  padding: var(--space-4);
}

.admin-login-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.admin-login-card h2 {
  margin-bottom: var(--space-2);
  color: var(--color-primary-dark);
}

.admin-login-card > p {
  color: var(--color-gray);
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
}

.login-logo {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-md);
}

.admin-login-card .form-group {
  margin-bottom: var(--space-4);
  text-align: left;
}

.admin-login-card label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dark-gray);
  margin-bottom: var(--space-2);
}

.admin-login-card input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast);
  box-sizing: border-box;
}

.admin-login-card input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 39, 65, 0.1);
}

.login-error {
  color: var(--color-error);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
.toast {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  z-index: 10000;
  transform: translateY(120%);
  opacity: 0;
  transition: all var(--transition-base);
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success .toast-icon {
  color: var(--color-success);
}

.toast.warning .toast-icon {
  color: var(--color-warning);
}

.toast-icon {
  font-size: var(--text-lg);
  font-weight: 700;
}

/* ============================================
   ADMIN DASHBOARD
   ============================================ */
.admin-body {
  background: var(--color-off-white);
  padding: 0;
  margin: 0;
}

.admin-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 64px;
  background: var(--color-primary-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-header-inner {
  max-width: 100%;
  margin: 0;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.admin-header .logo {
  color: var(--color-white);
}

.admin-header-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.admin-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-secondary);
  color: var(--color-primary-dark);
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-2xl);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  padding-top: 64px;
}

.admin-sidebar {
  background: var(--color-white);
  border-right: 1px solid var(--color-light-gray);
  padding: var(--space-6) 0;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: 0 var(--space-4);
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-dark-gray);
  transition: all var(--transition-fast);
}

.admin-nav-link:hover {
  background: var(--color-off-white);
  color: var(--color-primary);
}

.admin-nav-link.active {
  background: rgba(26, 39, 65, 0.08);
  color: var(--color-primary);
  font-weight: 600;
}

.admin-nav-icon {
  font-size: var(--text-lg);
  width: 24px;
  text-align: center;
}

.admin-main {
  padding: var(--space-8);
  overflow-y: auto;
}

.admin-section {
  display: none;
}

.admin-section.active {
  display: block;
}

.admin-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.admin-section-header h2 {
  margin: 0;
}

.admin-section-header p {
  width: 100%;
  margin: 0;
  color: var(--color-gray);
}

/* Dashboard Stats */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
}

.dash-stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: all var(--transition-base);
}

.dash-stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.dash-stat-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(
    135deg,
    rgba(26, 39, 65, 0.08),
    rgba(58, 165, 169, 0.12)
  );
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
}

.dash-stat-card h3 {
  font-size: var(--text-2xl);
  margin: 0;
  color: var(--color-primary);
}

.dash-stat-card p {
  font-size: var(--text-sm);
  color: var(--color-gray);
  margin: 0;
}

/* Admin Table */
.admin-table-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  text-align: left;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--color-light-gray);
  background: var(--color-off-white);
}

.admin-table td {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-light-gray);
  vertical-align: middle;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tr:hover td {
  background: var(--color-off-white);
}

.table-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.table-avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
}

.table-actions {
  display: flex;
  gap: var(--space-2);
}

.action-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  background: var(--color-off-white);
}

.action-btn:hover {
  background: var(--color-light-gray);
  transform: scale(1.1);
}

.action-btn.delete:hover {
  background: rgba(231, 76, 60, 0.1);
}

.badge-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 var(--space-2);
  background: rgba(26, 39, 65, 0.08);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-2xl);
}

.admin-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  text-align: center;
  color: var(--color-gray);
}

.admin-empty .empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.admin-empty h3 {
  color: var(--color-dark-gray);
  margin-bottom: var(--space-2);
}

.admin-empty p {
  color: var(--color-gray);
  max-width: 400px;
}

/* Project Assignments */
.project-assignments {
  display: grid;
  gap: var(--space-5);
}

.assignment-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.assignment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background: var(--color-off-white);
  border-bottom: 1px solid var(--color-light-gray);
}

.assignment-header h4 {
  margin: 0;
  font-size: var(--text-base);
}

.assignment-body {
  padding: var(--space-4) var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-off-white);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.checkbox-label:hover {
  background: var(--color-light-gray);
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
}

.no-engineers {
  color: var(--color-gray);
  font-size: var(--text-sm);
  margin: 0;
}

.link-to-engineers {
  color: var(--color-primary);
  font-weight: 600;
}

/* Settings */
.settings-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.setting-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-8);
}

.setting-info {
  flex: 1;
}

.setting-info h3 {
  margin-bottom: var(--space-2);
}

.setting-info p {
  font-size: var(--text-sm);
  color: var(--color-gray);
  margin-bottom: var(--space-3);
}

.setting-note {
  font-size: var(--text-sm) !important;
  padding: var(--space-3) var(--space-4);
  background: var(--color-off-white);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-primary);
}

.setting-divider {
  height: 1px;
  background: var(--color-light-gray);
  margin: var(--space-8) 0;
}

.setting-list {
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
}

.setting-list li {
  padding: var(--space-2) 0;
  line-height: 1.6;
}

.setting-control {
  flex-shrink: 0;
  padding-top: var(--space-2);
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 56px;
  height: 30px;
  cursor: pointer;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-light-gray);
  border-radius: 30px;
  transition: all var(--transition-base);
}

.toggle-slider::before {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  left: 3px;
  bottom: 3px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--color-success);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(26px);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-base);
}

.modal-overlay.open .modal-content {
  transform: translateY(0) scale(1);
}

.modal-content.modal-sm {
  max-width: 440px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-light-gray);
}

.modal-header h3 {
  margin: 0;
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  color: var(--color-gray);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-off-white);
  color: var(--color-dark);
}

.modal-form {
  padding: var(--space-6);
}

.modal-body {
  padding: var(--space-6);
}

.modal-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-light-gray);
  margin-top: var(--space-4);
}

.btn-danger {
  background: var(--color-error);
  color: var(--color-white);
  border-color: var(--color-error);
}

.btn-danger:hover {
  background: #c0392b;
  border-color: #c0392b;
  transform: translateY(-2px);
}

/* Social Inputs */
.social-inputs {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.social-input-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.social-label {
  min-width: 80px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray);
}

.social-input-row input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  background: var(--color-off-white);
  transition: border-color var(--transition-fast);
}

.social-input-row input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
}

/* Toast */
.toast {
  position: fixed;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  box-shadow: var(--shadow-xl);
  z-index: 3000;
  opacity: 0;
  transition: all var(--transition-base);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success .toast-icon {
  color: var(--color-success);
}

.toast.warning .toast-icon {
  color: var(--color-warning);
}

/* ============================================
   ENGINEER PROFILE PAGE
   ============================================ */
.engineer-profile {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-12);
  align-items: flex-start;
}

.engineer-profile-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  position: sticky;
  top: calc(var(--header-height) + var(--space-6));
}

.engineer-avatar {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-5);
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.engineer-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.engineer-avatar span {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-white);
}

.engineer-profile-card h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.engineer-role {
  color: var(--color-secondary);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-2) !important;
}

.engineer-spec {
  color: var(--color-gray);
  font-size: var(--text-sm);
  margin-bottom: var(--space-5) !important;
  padding: var(--space-2) var(--space-3);
  background: var(--color-off-white);
  border-radius: var(--radius-md);
  display: inline-block;
}

.engineer-social {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  transition: all var(--transition-fast);
  border: 1px solid var(--color-light-gray);
}

.social-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.engineer-profile-content h3 {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-light-gray);
}

.profile-bio-section {
  margin-bottom: var(--space-10);
}

.profile-bio-section p {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-dark-gray);
}

.profile-projects-subtitle {
  color: var(--color-gray) !important;
  font-size: var(--text-sm) !important;
  margin-bottom: var(--space-6) !important;
}

/* Engineer Team Cards (clickable) */
.team-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.team-card-link .team-card {
  cursor: pointer;
}

.team-card-link:hover .team-card {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

/* Project detail engineer tags */
.project-engineers {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.engineer-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(
    135deg,
    rgba(26, 39, 65, 0.06),
    rgba(58, 165, 169, 0.08)
  );
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-2xl);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.engineer-tag:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.engineer-tag .tag-avatar {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
}

.engineer-tag:hover .tag-avatar {
  background: var(--color-white);
  color: var(--color-primary);
}

/* Admin responsive */
@media (max-width: 992px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--color-light-gray);
    padding: var(--space-3) 0;
  }

  .admin-nav {
    flex-direction: row;
    overflow-x: auto;
    gap: var(--space-2);
    padding: 0 var(--space-4);
  }

  .admin-nav-link {
    white-space: nowrap;
  }

  .engineer-profile {
    grid-template-columns: 1fr;
  }

  .engineer-profile-card {
    position: static;
  }

  .admin-table {
    display: block;
    overflow-x: auto;
  }
}

@media (max-width: 768px) {
  .setting-row {
    flex-direction: column;
  }

  .dashboard-stats {
    grid-template-columns: 1fr;
  }

  .social-input-row {
    flex-direction: column;
    align-items: stretch;
  }

  .social-label {
    min-width: auto;
  }
}

/* ============================================
   HIDE LANGUAGE SWITCHER
   ============================================ */
.lang-switcher {
  display: none !important;
}

/* ============================================
   PREMIUM SERVICES ENHANCEMENTS
   ============================================ */
.services-stat-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  padding: var(--space-10) 0 var(--space-12);
  margin-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-light-gray);
}
.services-stat-bar .stat-item {
  text-align: center;
}
.services-stat-bar .stat-num {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -1px;
}
.services-stat-bar .stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray);
  margin-top: var(--space-1);
  font-weight: 500;
}
@media (max-width: 640px) {
  .services-stat-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-num-label {
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(58, 165, 169, 0.13);
  line-height: 1;
  margin-bottom: var(--space-3);
  letter-spacing: -3px;
  font-family: 'Inter', sans-serif;
  transition: color var(--transition-base);
  user-select: none;
}
.service-card:hover .service-num-label {
  color: rgba(58, 165, 169, 0.25);
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process-section {
  background: linear-gradient(135deg, rgba(26, 39, 65, 0.03), rgba(58, 165, 169, 0.05));
  padding: var(--space-20) 0;
  border-top: 1px solid var(--color-light-gray);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
  position: relative;
}
.process-step {
  padding: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-light-gray);
  transition: all var(--transition-base);
}
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.process-step-num {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  font-weight: 800;
  font-size: var(--text-lg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}
.process-step h4 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-primary);
}
.process-step p {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.6;
  margin: 0;
}

/* ============================================
   PROJECT DISCLAIMER BANNER
   ============================================ */
.project-disclaimer {
  background: linear-gradient(135deg, rgba(26, 39, 65, 0.04), rgba(58, 165, 169, 0.06));
  border: 1px solid rgba(58, 165, 169, 0.25);
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  margin-bottom: var(--space-10);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.project-disclaimer .disclaimer-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--color-secondary);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-top: 2px;
}
.project-disclaimer p {
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
  line-height: 1.7;
  margin: 0;
}
.project-disclaimer strong {
  color: var(--color-primary);
}

/* ============================================
   MATH CAPTCHA FIELD
   ============================================ */
.captcha-group {
  background: rgba(58, 165, 169, 0.04);
  border: 1px dashed rgba(58, 165, 169, 0.35);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}
.captcha-group label {
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
  display: block;
  margin-bottom: var(--space-2);
}
.captcha-group label strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* ============================================
   IEG CONTRIBUTED BADGE ON PROJECT CARDS
   ============================================ */
.ieg-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 10px;
  font-weight: 700;
  color: var(--color-secondary);
  background: rgba(58, 165, 169, 0.1);
  border: 1px solid rgba(58, 165, 169, 0.25);
  border-radius: var(--radius-2xl);
  padding: 2px 8px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}