/* ================================================================
   DESIGN SYSTEM — H.E. Abdul Rahman Mohammed Al Owais
   Premium Healthcare Corporate Government Website
   ================================================================ */

/* ── CSS Custom Properties ────────────────────────────────────── */
:root {
  /* Primary palette */
  --deep-blue: #0a1628;
  --navy: #0f2444;
  --royal-blue: #1a3a6b;
  --accent-blue: #2563eb;
  --light-blue: #3b82f6;
  --sky: #60a5fa;
  --pale-blue: #dbeafe;

  /* Healthcare greens */
  --emerald: #047857;
  --emerald-light: #059669;
  --teal: #0d9488;
  --mint: #6ee7b7;
  --pale-green: #d1fae5;

  /* Neutrals */
  --white: #ffffff;
  --off-white: #f8fafc;
  --light-gray: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Accents */
  --gold: #d4a843;
  --gold-light: #f0d78c;
  --warm-white: #fefce8;

  /* Glass */
  --glass-bg: rgba(255,255,255,0.08);
  --glass-bg-light: rgba(255,255,255,0.65);
  --glass-border: rgba(255,255,255,0.18);
  --glass-border-dark: rgba(0,0,0,0.06);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
  --shadow-glass: 0 8px 32px rgba(0,0,0,0.1);

  /* Typography */
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --section-pad: clamp(60px, 8vw, 120px);
  --container-max: 1280px;
  --container-wide: 1440px;

  /* Radius */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-normal: 0.4s var(--ease-out);
  --transition-slow: 0.7s var(--ease-out);
}

/* ── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--off-white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Typography Scale ─────────────────────────────────────────── */
.display-xl {
  font-size: clamp(2.8rem, 5vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.display-lg {
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
}
.display-md {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.heading-lg {
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
}
.heading-md {
  font-size: clamp(1.15rem, 1.6vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
}
.heading-sm {
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  font-weight: 600;
  line-height: 1.4;
}
.body-lg {
  font-size: 1.125rem;
  line-height: 1.8;
}
.body-md {
  font-size: 1rem;
  line-height: 1.7;
}
.body-sm {
  font-size: 0.875rem;
  line-height: 1.6;
}
.label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── Container ────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
}
.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
}

/* ── Section Spacing ──────────────────────────────────────────── */
.section { padding: var(--section-pad) 0; }
.section-sm { padding: clamp(40px, 5vw, 70px) 0; }

/* ── Tag / Label ──────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.tag-emerald {
  background: var(--pale-green);
  color: var(--emerald);
}
.tag-blue {
  background: var(--pale-blue);
  color: var(--accent-blue);
}
.tag-gold {
  background: var(--warm-white);
  color: var(--gold);
}
.tag-white {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--accent-blue);
  color: var(--white);
}
.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,99,235,0.35);
}
.btn-emerald {
  background: var(--emerald);
  color: var(--white);
}
.btn-emerald:hover {
  background: #065f46;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(4,120,87,0.35);
}
.btn-outline {
  border: 2px solid var(--gray-300);
  color: var(--gray-700);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
}
.btn-white {
  background: var(--white);
  color: var(--deep-blue);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-ghost {
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}
.btn svg, .btn .arrow {
  transition: transform var(--transition-fast);
}
.btn:hover svg, .btn:hover .arrow {
  transform: translateX(4px);
}

/* ── Glass Cards ──────────────────────────────────────────────── */
.glass-card {
  background: var(--glass-bg-light);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border-dark);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all var(--transition-normal);
}
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.glass-card-dark {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  color: var(--white);
}

/* ── Premium Cards ────────────────────────────────────────────── */
.premium-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
}
.premium-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

/* ── Navigation ───────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-normal);
}
.nav.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  padding: 10px 0;
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
  transition: color var(--transition-normal);
}
.nav.scrolled .nav-logo { color: var(--deep-blue); }
.nav-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--emerald), var(--teal));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--white);
  font-size: 1.1rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  border-radius: 10px;
  transition: all var(--transition-fast);
}
.nav.scrolled .nav-links a { color: var(--gray-600); }
.nav-links a:hover, .nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.12);
}
.nav.scrolled .nav-links a:hover,
.nav.scrolled .nav-links a.active {
  color: var(--accent-blue);
  background: var(--pale-blue);
}

/* Mobile menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: 1001;
}
.nav-toggle span {
  height: 2px;
  border-radius: 2px;
  background: var(--white);
  transition: all var(--transition-fast);
}
.nav.scrolled .nav-toggle span { background: var(--gray-800); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 320px; height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-normal);
    gap: 4px;
  }
  .nav-links.open { right: 0; }
  .nav-links a {
    color: var(--gray-700) !important;
    font-size: 1rem;
    padding: 12px 16px;
    width: 100%;
  }
  .nav-links a:hover {
    background: var(--pale-blue) !important;
    color: var(--accent-blue) !important;
  }
}

/* ── Hero Sections ────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.92), rgba(15,36,68,0.85));
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-content {
  position: relative;
  z-index: 2;
}

/* Page hero (shorter) */
.page-hero {
  position: relative;
  padding: clamp(140px, 18vh, 200px) 0 clamp(80px, 10vh, 120px);
  background: linear-gradient(135deg, var(--deep-blue), var(--navy) 40%, var(--royal-blue));
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(37,99,235,0.12), transparent 70%);
  border-radius: 50%;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(4,120,87,0.1), transparent 70%);
  border-radius: 50%;
}

/* ── Infographic Common ───────────────────────────────────────── */
.infographic {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: clamp(30px, 4vw, 50px);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}
.infographic-dark {
  background: linear-gradient(135deg, var(--deep-blue), var(--navy));
  color: var(--white);
  border: none;
}
.infographic-title {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--emerald);
  margin-bottom: 16px;
}
.infographic-dark .infographic-title { color: var(--mint); }

/* ── Stat / Counter Blocks ────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}
.stat-block {
  text-align: center;
  padding: 32px 20px;
}
.stat-number {
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 700;
  color: var(--accent-blue);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--gray-500);
  font-weight: 500;
}
.stat-block-emerald .stat-number { color: var(--emerald); }

/* ── Timeline ─────────────────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--emerald), var(--teal));
}
.timeline-item {
  position: relative;
  margin-bottom: 48px;
  padding-left: 32px;
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.6s var(--ease-out);
}
.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-blue);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--accent-blue);
}
.timeline-year {
  display: inline-block;
  padding: 4px 14px;
  background: var(--pale-blue);
  color: var(--accent-blue);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.timeline-content {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}
.timeline-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--deep-blue);
}
.timeline-content p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── Flow Diagrams / Process ──────────────────────────────────── */
.flow-horizontal {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
}
.flow-step {
  flex: 0 0 auto;
  min-width: 180px;
  text-align: center;
}
.flow-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--royal-blue));
  color: var(--white);
}
.flow-icon-green { background: linear-gradient(135deg, var(--emerald), var(--teal)); }
.flow-arrow {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  padding-top: 20px;
  color: var(--gray-400);
  font-size: 1.4rem;
}

/* ── Chart Bars (CSS) ─────────────────────────────────────────── */
.chart-bars { display: flex; flex-direction: column; gap: 18px; }
.chart-bar-item label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--gray-700);
}
.chart-bar-track {
  height: 10px;
  background: var(--gray-200);
  border-radius: 100px;
  overflow: hidden;
}
.chart-bar-fill {
  height: 100%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--accent-blue), var(--light-blue));
  width: 0;
  transition: width 1.2s var(--ease-out);
}
.chart-bar-fill-green { background: linear-gradient(90deg, var(--emerald), var(--mint)); }

/* ── Grid Layouts ─────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.grid-asymmetric { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; }

@media (max-width: 968px) {
  .grid-2, .grid-3, .grid-4, .grid-2-1, .grid-1-2, .grid-asymmetric {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ── Dividers ─────────────────────────────────────────────────── */
.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--emerald));
  border-radius: 2px;
  margin: 20px 0;
}

/* ── Scroll Animations ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.8s var(--ease-out);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.8s var(--ease-out);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: all 0.8s var(--ease-out);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s var(--ease-out);
}
.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.7s; opacity: 1; transform: translateY(0); }

/* ── Circular Progress (SVG-based) ────────────────────────────── */
.circular-progress {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.circular-progress svg {
  transform: rotate(-90deg);
}
.circular-progress .progress-text {
  position: absolute;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--deep-blue);
}

/* ── Donut Chart ──────────────────────────────────────────────── */
.donut-chart {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto;
}
.donut-chart svg { width: 100%; height: 100%; }
.donut-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.donut-center .value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--deep-blue);
}
.donut-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 20px;
}
.donut-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--gray-600);
}
.donut-legend-item .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* ── Gradient Overlays ────────────────────────────────────────── */
.gradient-blue { background: linear-gradient(135deg, var(--deep-blue), var(--royal-blue)); }
.gradient-emerald { background: linear-gradient(135deg, var(--emerald), var(--teal)); }
.gradient-mixed { background: linear-gradient(135deg, var(--deep-blue), var(--royal-blue), var(--emerald)); }
.gradient-soft { background: linear-gradient(135deg, var(--off-white), var(--pale-blue)); }

/* ── Image Treatments ─────────────────────────────────────────── */
.img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-slow);
}
.img-frame:hover img { transform: scale(1.03); }

/* ── Quote Block ──────────────────────────────────────────────── */
.quote-block {
  position: relative;
  padding: 36px 36px 36px 48px;
  background: linear-gradient(135deg, var(--pale-blue), var(--off-white));
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--accent-blue);
}
.quote-block::before {
  content: '\201C';
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 3rem;
  color: var(--accent-blue);
  opacity: 0.3;
  line-height: 1;
}
.quote-block p {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--gray-700);
  line-height: 1.8;
}
.quote-block cite {
  display: block;
  margin-top: 16px;
  font-size: 0.85rem;
  font-style: normal;
  font-weight: 600;
  color: var(--accent-blue);
}

/* ── Footer ───────────────────────────────────────────────────── */
.footer {
  position: relative;
  overflow: hidden;
}
.footer-mega {
  background: linear-gradient(135deg, var(--deep-blue), var(--navy) 60%, #0d1e36);
  padding: 80px 0 40px;
  color: var(--white);
}
.footer-mega::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), var(--emerald), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 50px;
}
.footer-brand p {
  color: var(--gray-400);
  font-size: 0.9rem;
  margin-top: 16px;
  line-height: 1.7;
}
.footer-heading {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 20px;
}
.footer-links a {
  display: block;
  color: var(--gray-300);
  font-size: 0.9rem;
  padding: 6px 0;
  transition: all var(--transition-fast);
}
.footer-links a:hover {
  color: var(--white);
  transform: translateX(4px);
}
.footer-newsletter input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  color: var(--white);
  font-size: 0.9rem;
  margin-bottom: 12px;
  outline: none;
  transition: border-color var(--transition-fast);
}
.footer-newsletter input::placeholder { color: var(--gray-500); }
.footer-newsletter input:focus { border-color: var(--accent-blue); }
.footer-newsletter button {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--accent-blue), var(--light-blue));
  color: var(--white);
  border-radius: 14px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}
.footer-newsletter button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.4);
}
.footer-divider {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 0 0 30px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--gray-500);
}
.footer-bottom a {
  color: var(--accent-blue);
  transition: color var(--transition-fast);
}
.footer-bottom a:hover { color: var(--sky); }
.footer-map {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 40px;
  border: 1px solid rgba(255,255,255,0.08);
}
.footer-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(0.6) brightness(0.8);
}
.footer-contact-bar {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--gray-300);
}
.footer-contact-item .icon {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.06);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--accent-blue);
  color: var(--white);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 999;
  cursor: pointer;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: #1d4ed8;
  transform: translateY(-4px);
}

/* Sticky footer credit */
.footer-sticky {
  background: var(--gray-900);
  padding: 14px 0;
  text-align: center;
}
.footer-sticky p {
  font-size: 0.75rem;
  color: var(--gray-500);
}
.footer-sticky a {
  color: var(--accent-blue);
}

@media (max-width: 968px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-contact-bar { flex-direction: column; }
}

/* ── Form Styles ──────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.form-input, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--off-white);
  border: 1.5px solid var(--gray-200);
  border-radius: 14px;
  font-size: 0.95rem;
  color: var(--gray-800);
  outline: none;
  transition: all var(--transition-fast);
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.1);
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ── Login Page ───────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a1628 0%, #0f2444 30%, #1a3a6b 60%, #047857 100%);
  position: relative;
  overflow: hidden;
}
.login-page::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.15), transparent 70%);
  border-radius: 50%;
  animation: floatOrb 8s ease-in-out infinite;
}
.login-page::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(4,120,87,0.12), transparent 70%);
  border-radius: 50%;
  animation: floatOrb 10s ease-in-out infinite reverse;
}
@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}
.login-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 50px 44px;
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 2;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 36px;
}
.login-logo .icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--emerald), var(--teal));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--white);
}
.login-logo h1 {
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.3;
}
.login-logo h1 span {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gray-400);
}
.login-title {
  text-align: center;
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.login-subtitle {
  text-align: center;
  color: var(--gray-400);
  font-size: 0.9rem;
  margin-bottom: 32px;
}
.login-input-wrap {
  position: relative;
  margin-bottom: 20px;
}
.login-input {
  width: 100%;
  padding: 16px 20px 16px 48px;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  color: var(--white);
  font-size: 1rem;
  outline: none;
  transition: all var(--transition-fast);
}
.login-input::placeholder { color: var(--gray-500); }
.login-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.15);
  background: rgba(255,255,255,0.1);
}
.login-input-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-500);
  font-size: 1rem;
}
.login-btn {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--accent-blue), var(--light-blue));
  color: var(--white);
  border-radius: 16px;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-normal);
  margin-top: 4px;
}
.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,99,235,0.4);
}
.login-error {
  text-align: center;
  color: #f87171;
  font-size: 0.85rem;
  margin-top: 16px;
  opacity: 0;
  transform: translateY(-8px);
  transition: all 0.3s var(--ease-out);
}
.login-error.show {
  opacity: 1;
  transform: translateY(0);
}
.login-footer {
  text-align: center;
  margin-top: 24px;
  color: var(--gray-500);
  font-size: 0.75rem;
}

/* Login page transition */
.login-page.fade-out {
  animation: loginFadeOut 0.8s var(--ease-in-out) forwards;
}
@keyframes loginFadeOut {
  to { opacity: 0; transform: scale(1.05); }
}

/* ── Animated Background Particles ────────────────────────────── */
.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

/* ── Pulse Dot ────────────────────────────────────────────────── */
.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--emerald);
  position: relative;
}
.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--emerald);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* ── Utility ──────────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-white { color: var(--white); }
.text-blue { color: var(--accent-blue); }
.text-emerald { color: var(--emerald); }
.text-gray { color: var(--gray-500); }
.text-gold { color: var(--gold); }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-40 { margin-bottom: 40px; }
.mb-48 { margin-bottom: 48px; }
.mb-60 { margin-bottom: 60px; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }

/* ── Responsive utilities ─────────────────────────────────────── */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

/* ── Keyframes ────────────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ── Icon placeholder (SVG inline usage) ──────────────────────── */
.icon-circle {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.icon-circle-blue { background: var(--pale-blue); color: var(--accent-blue); }
.icon-circle-green { background: var(--pale-green); color: var(--emerald); }
.icon-circle-gold { background: var(--warm-white); color: var(--gold); }

/* ── Case Study Card ──────────────────────────────────────────── */
.case-study {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
}
.case-study:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.case-study-header {
  padding: 32px 32px 24px;
  background: linear-gradient(135deg, var(--pale-blue), var(--off-white));
  border-bottom: 1px solid var(--gray-200);
}
.case-study-body {
  padding: 28px 32px 32px;
}

/* ── Breadcrumb ───────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}
.breadcrumb a:hover { color: var(--white); }
.breadcrumb .sep { color: rgba(255,255,255,0.3); }

/* ── Node Map (for infographics) ──────────────────────────────── */
.node-map {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}
.node {
  padding: 16px 24px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  text-align: center;
  min-width: 150px;
  transition: all var(--transition-fast);
}
.node:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-blue);
}
.node-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--royal-blue));
  color: var(--white);
  border: none;
}
.node-green {
  background: linear-gradient(135deg, var(--emerald), var(--teal));
  color: var(--white);
  border: none;
}

/* ── Accordion ────────────────────────────────────────────────── */
.accordion-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition-fast);
}
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--gray-800);
  transition: all var(--transition-fast);
}
.accordion-header:hover { background: var(--off-white); }
.accordion-icon {
  transition: transform var(--transition-fast);
  font-size: 1.2rem;
  color: var(--gray-400);
}
.accordion-item.active .accordion-icon { transform: rotate(180deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out);
}
.accordion-body-inner {
  padding: 0 24px 24px;
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── Tabs ─────────────────────────────────────────────────────── */
.tabs-nav {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 32px;
  overflow-x: auto;
}
.tab-btn {
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-500);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--gray-700); }
.tab-btn.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.4s var(--ease-out); }

/* ── Specialty: Animated gradient border ──────────────────────── */
.gradient-border {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 2px;
  background: linear-gradient(135deg, var(--accent-blue), var(--emerald), var(--teal), var(--accent-blue));
  background-size: 300% 300%;
  animation: gradientShift 6s ease infinite;
}
.gradient-border-inner {
  background: var(--white);
  border-radius: calc(var(--radius-lg) - 2px);
  padding: 36px;
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Print ────────────────────────────────────────────────────── */
@media print {
  .nav, .back-to-top, .footer { display: none; }
  .hero, .page-hero { min-height: auto; padding: 40px 0; }
  body { color: #000; }
}