/* ============================================================
   VTL-Solutions Macau - Design System
   Direction: Dark Industrial Tech — Bold, Confident, Premium
   ============================================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&family=DM+Serif+Display:ital@0;1&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Core surfaces */
  --bg-deep:       oklch(0.07 0.01 258);
  --bg-base:       oklch(0.10 0.01 258);
  --bg-surface:    oklch(0.14 0.012 258);
  --bg-elevated:   oklch(0.18 0.012 258);
  --bg-hover:      oklch(0.22 0.012 258);

  /* Text */
  --text-primary:  oklch(0.94 0.004 95);
  --text-secondary:oklch(0.68 0.004 95);
  --text-muted:    oklch(0.48 0.004 95);

  /* Accent - Warm Amber */
  --accent:        oklch(0.66 0.17 55);
  --accent-hover:  oklch(0.73 0.19 55);
  --accent-dim:    oklch(0.50 0.13 55);
  --accent-glow:   oklch(0.66 0.17 55 / 0.18);

  /* Secondary accent - Steel Blue */
  --accent2:       oklch(0.62 0.08 230);
  --accent2-dim:   oklch(0.45 0.06 230);

  /* Borders */
  --border-subtle: oklch(0.24 0.01 258);
  --border-medium: oklch(0.32 0.01 258);

  /* Sizing */
  --max-width:     1280px;
  --nav-height:    72px;
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --radius-full:   9999px;

  /* Spacing Scale (4pt) */
  --space-1:  4px;   --space-2:  8px;   --space-3: 12px;
  --space-4: 16px;   --space-5: 20px;   --space-6: 24px;
  --space-8: 32px;   --space-10: 40px;  --space-12: 48px;
  --space-16: 64px;  --space-20: 80px;  --space-24: 96px;
  --space-32: 128px;

  /* Type scale (fluid) */
  --text-xs:   clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
  --text-sm:   clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --text-lg:   clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  --text-xl:   clamp(1.3rem, 1.15rem + 0.75vw, 1.6rem);
  --text-2xl:  clamp(1.6rem, 1.35rem + 1.25vw, 2.2rem);
  --text-3xl:  clamp(2rem, 1.6rem + 2vw, 3rem);
  --text-4xl:  clamp(2.5rem, 2rem + 3vw, 4.5rem);
  --text-5xl:  clamp(3.5rem, 2.5rem + 5vw, 6.5rem);

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --dur-fast: 150ms;
  --dur-base: 300ms;
  --dur-slow: 600ms;
}

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

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

body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-deep);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p + p { margin-top: var(--space-4); }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out-quart);
}
a:hover { color: var(--accent-hover); }

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

/* Selection */
::selection { background: var(--accent-glow); color: var(--text-primary); }

/* Focus */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* --- Utility Classes --- */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: var(--space-20);
}

.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: var(--space-4);
  display: block;
}

.section-title {
  font-family: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  font-size: var(--text-4xl);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
}

.section-title em {
  font-style: italic;
  color: var(--accent);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--dur-base) var(--ease-out-quart),
              box-shadow var(--dur-base) var(--ease-out-quart);
}
.nav--scrolled {
  background: oklch(0.07 0.01 258 / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border-subtle);
}
.nav__inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.nav__logo-dot {
  display: inline-block;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav__links a {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  padding-block: var(--space-1);
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--dur-base) var(--ease-out-expo);
}
.nav__links a:hover,
.nav__links a.active {
  color: var(--text-primary);
}
.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}
.nav__lang-switch {
  display: flex;
  gap: var(--space-2);
  margin-left: var(--space-6);
}
.nav__lang-btn {
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out-quart);
}
.nav__lang-btn:hover,
.nav__lang-btn.active {
  color: var(--text-primary);
  border-color: var(--accent);
  background: var(--accent-glow);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  background: none; border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-2);
}
.nav__toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: transform var(--dur-base) var(--ease-out-quart),
              opacity var(--dur-fast) var(--ease-out-quart);
}
.nav__toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    flex-direction: column;
    background: oklch(0.08 0.01 258 / 0.97);
    backdrop-filter: blur(16px);
    padding: var(--space-8);
    gap: var(--space-6);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--dur-base) var(--ease-out-expo);
    pointer-events: none;
  }
  .nav__links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__toggle { display: block; }
  .nav__lang-switch { margin-left: 0; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out-quart);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: var(--accent);
  color: var(--bg-deep);
}
.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-glow);
}
.btn--outline {
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}
.btn--outline:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-4);
}
.btn--ghost:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(oklch(1 0 0 / 0.03) 1px, transparent 1px),
    linear-gradient(90deg, oklch(1 0 0 / 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
}
.hero__bg-glow {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  top: 10%; right: -10%;
  filter: blur(60px);
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
  width: 100%;
  padding-block: var(--space-20);
}
.hero__overline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: var(--space-6);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out-expo) 0.2s forwards;
}
.hero__title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: var(--text-5xl);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin-bottom: var(--space-6);
}
.hero__title .word {
  display: inline-block;
  opacity: 0;
  animation: fadeUpWord 0.6s var(--ease-out-expo) forwards;
}
.hero__title .word:nth-child(1) { animation-delay: 0.3s; }
.hero__title .word:nth-child(2) { animation-delay: 0.4s; }
.hero__title .word:nth-child(3) { animation-delay: 0.5s; }
.hero__title .word:nth-child(4) { animation-delay: 0.6s; }
.hero__title .word:nth-child(5) { animation-delay: 0.7s; }
.hero__title em {
  font-style: italic;
  color: var(--accent);
  display: inline-block;
}
.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: var(--space-10);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out-expo) 0.8s forwards;
}
.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out-expo) 1s forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUpWord {
  from { opacity: 0; transform: translateY(32px) rotateX(-15deg); }
  to   { opacity: 1; transform: translateY(0) rotateX(0); }
}

/* --- Service Cards (Home) --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}
.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--dur-base) var(--ease-out-quart);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out-quart);
}
.service-card:hover::before { opacity: 1; }
.service-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px oklch(0 0 0 / 0.4);
}
.service-card__icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center; justify-content: center;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  font-size: var(--text-xl);
  position: relative; z-index: 1;
}
.service-card__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  position: relative; z-index: 1;
}
.service-card__desc {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
  position: relative; z-index: 1;
  opacity: 0.7;
  transition: opacity var(--dur-fast);
}
.service-card:hover .service-card__desc { opacity: 1; }

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

/* --- Client Trust Banner --- */
.trust-banner {
  background: var(--bg-surface);
  border-block: 1px solid var(--border-subtle);
  padding-block: var(--space-10);
  overflow: hidden;
}
.trust-banner__track {
  display: flex;
  gap: var(--space-12);
  animation: scroll 30s linear infinite;
  width: max-content;
}
.trust-banner__item {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-muted);
  opacity: 0.5;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.trust-banner__item::before {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent-dim);
  border-radius: 50%;
}
@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* --- AI Showcase --- */
.ai-showcase {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  position: relative;
  overflow: hidden;
}
.ai-showcase::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at 80% 20%, var(--accent-glow), transparent 70%);
}

/* --- Accordion --- */
.accordion { display: flex; flex-direction: column; gap: var(--space-2); }
.accordion__item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface);
}
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-lg);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background var(--dur-fast);
}
.accordion__trigger:hover { background: var(--bg-hover); }
.accordion__icon {
  width: 28px; height: 28px;
  display: flex;
  align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--bg-elevated);
  transition: transform var(--dur-base) var(--ease-out-expo);
  flex-shrink: 0;
}
.accordion__item.open .accordion__icon { transform: rotate(45deg); }
.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out-quart);
}
.accordion__panel-inner {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* --- Tabs --- */
.tabs { margin-top: var(--space-8); }
.tabs__nav {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--border-subtle);
}
.tabs__btn {
  padding: var(--space-3) var(--space-6);
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.02em;
  position: relative;
  transition: color var(--dur-fast);
}
.tabs__btn::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--dur-base) var(--ease-out-expo);
}
.tabs__btn:hover { color: var(--text-primary); }
.tabs__btn.active { color: var(--accent); }
.tabs__btn.active::after { transform: scaleX(1); }
.tabs__panel { display: none; }
.tabs__panel.active { display: block; }
.tabs__panel p { color: var(--text-secondary); line-height: 1.8; }

/* --- Timeline --- */
.timeline {
  position: relative;
  padding-left: var(--space-8);
  margin-top: var(--space-10);
}
.timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 0; bottom: 0;
  width: 2px;
  background: var(--border-subtle);
}
.timeline__item {
  position: relative;
  padding-bottom: var(--space-8);
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__dot {
  position: absolute;
  left: calc(-1 * var(--space-8) + 0px);
  top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-deep);
  box-shadow: 0 0 0 4px var(--bg-surface);
}
.timeline__year {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}
.timeline__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.timeline__desc {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* --- Counter (Animated Numbers) --- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-10);
}
.metric-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}
.metric-card__number {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: var(--text-4xl);
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
}
.metric-card__label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* --- Case Studies / Portfolio --- */
.case-filters {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.filter-btn {
  padding: var(--space-2) var(--space-5);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all var(--dur-fast);
}
.filter-btn:hover { border-color: var(--accent-dim); color: var(--text-primary); }
.filter-btn.active {
  background: var(--accent);
  color: var(--bg-deep);
  border-color: var(--accent);
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.case-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--dur-base) var(--ease-out-quart);
}
.case-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}
.case-card__industry {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--space-4);
}
.case-card__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.case-card__section { margin-bottom: var(--space-4); }
.case-card__section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}
.case-card__section p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
}
.case-card__tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}
.tag {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

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

/* --- Map Toggle --- */
.map-toggle {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.map-toggle__btn {
  padding: var(--space-2) var(--space-5);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--dur-fast);
}
.map-toggle__btn:hover { border-color: var(--accent-dim); }
.map-toggle__btn.active {
  background: var(--accent);
  color: var(--bg-deep);
  border-color: var(--accent);
}
.map-container {
  width: 100%;
  height: 380px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  background: var(--bg-surface);
}
.map-container iframe {
  width: 100%; height: 100%;
  border: none;
}

/* --- Contact Info --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 40%;
  gap: var(--space-12);
  margin-top: var(--space-10);
}
.contact-info__item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.contact-info__icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  font-size: var(--text-lg);
}
.contact-info__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}
.contact-info__value {
  color: var(--text-primary);
  font-weight: 500;
}

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

/* --- News Feed --- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.news-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--dur-base) var(--ease-out-quart);
}
.news-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}
.news-card__image {
  width: 100%;
  height: 180px;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: var(--text-xs);
}
.news-card__body { padding: var(--space-5); }
.news-card__date {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}
.news-card__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.news-card__excerpt {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

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

/* --- Footer --- */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-16) 0 var(--space-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}
.footer__brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-4);
}
.footer__desc {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
}
.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}
.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer__links a {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  transition: color var(--dur-fast);
}
.footer__links a:hover { color: var(--text-primary); }
.footer__bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

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

/* --- Page Header (non-home) --- */
.page-header {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-12);
  text-align: center;
}
.page-header__title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: var(--text-4xl);
  font-weight: 400;
}

/* --- Core Values Grid --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}
.value-card {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--dur-base) var(--ease-out-quart);
}
.value-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}
.value-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-4);
}
.value-card__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.value-card__desc {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .values-grid { grid-template-columns: 1fr; }
}

/* --- Certifications --- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}
.cert-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}
.cert-card__name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-base);
  font-weight: 600;
  margin-top: var(--space-4);
}
.cert-card__org {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

@media (max-width: 768px) {
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Scroll-triggered animations --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out-expo),
              transform 0.8s var(--ease-out-expo);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .trust-banner__track { animation: none; }
}

/* --- Loading skeleton --- */
.skeleton {
  background: linear-gradient(90deg,
    var(--bg-surface) 25%,
    var(--bg-elevated) 50%,
    var(--bg-surface) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- Back to top --- */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  transition: all var(--dur-base) var(--ease-out-quart);
  z-index: 900;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.back-to-top:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============================================================
   ENHANCED VISUALS — Geometric, Animations, Icons, Particles
   ============================================================ */

/* --- Hero Geometric Shapes --- */
.hero__shapes {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero__shape {
  position: absolute;
  border: 1px solid var(--border-subtle);
  opacity: 0.3;
  animation: shapeFloat 12s var(--ease-out-quart) infinite;
}
.hero__shape--1 {
  width: 120px; height: 120px;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  top: 20%; right: 15%;
  animation-delay: 0s;
  border-color: oklch(0.66 0.17 55 / 0.15);
}
.hero__shape--2 {
  width: 80px; height: 80px;
  border-radius: 50%;
  top: 60%; right: 25%;
  animation-delay: -4s;
  border-color: oklch(0.62 0.08 230 / 0.12);
}
.hero__shape--3 {
  width: 160px; height: 160px;
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  bottom: 15%; left: 10%;
  animation-delay: -8s;
}
.hero__shape--4 {
  width: 60px; height: 60px;
  border-radius: 50%;
  top: 30%; left: 20%;
  animation-delay: -2s;
  background: var(--accent-glow);
  border: none;
  opacity: 0.2;
}
@keyframes shapeFloat {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
  25% { transform: translateY(-20px) rotate(5deg) scale(1.05); }
  50% { transform: translateY(-10px) rotate(-3deg) scale(0.95); }
  75% { transform: translateY(-30px) rotate(8deg) scale(1.08); }
}

/* --- Hero Particles --- */
.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.particle {
  position: absolute;
  width: 3px; height: 3px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
  animation: particleDrift 8s ease-in-out infinite;
}
.particle:nth-child(1) { top: 15%; left: 30%; animation-delay: 0s; width: 2px; height: 2px; }
.particle:nth-child(2) { top: 25%; left: 65%; animation-delay: -2s; }
.particle:nth-child(3) { top: 45%; left: 80%; animation-delay: -4s; width: 2px; height: 2px; }
.particle:nth-child(4) { top: 70%; left: 40%; animation-delay: -6s; }
.particle:nth-child(5) { top: 80%; left: 55%; animation-delay: -1s; }
.particle:nth-child(6) { top: 10%; left: 50%; animation-delay: -3s; width: 4px; height: 4px; }
.particle:nth-child(7) { top: 55%; left: 15%; animation-delay: -5s; }
.particle:nth-child(8) { top: 35%; left: 90%; animation-delay: -7s; width: 2px; height: 2px; }
@keyframes particleDrift {
  0% { opacity: 0; transform: translateY(0) translateX(0); }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-120px) translateX(40px); }
}

/* --- SVG Icon System (replaces emoji) --- */
.icon-svg {
  display: inline-block;
  width: 32px; height: 32px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--dur-fast), transform var(--dur-base) var(--ease-out-quart);
}
.service-card:hover .icon-svg {
  stroke: var(--accent-hover);
  transform: scale(1.12);
}
.value-card:hover .icon-svg { transform: scale(1.15); }

/* --- Animated Service Card Border --- */
.service-card {
  transition: all var(--dur-base) var(--ease-out-quart),
              border-color var(--dur-slow) var(--ease-out-expo);
}
.service-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, var(--accent-dim), transparent 60%);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-out-expo);
  pointer-events: none;
}
.service-card:hover::after { opacity: 1; }

/* --- Section Decorative Divider --- */
.section-divider {
  position: relative;
  height: 1px;
  background: var(--border-subtle);
  margin: 0 auto;
  max-width: var(--max-width);
}
.section-divider::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--accent-glow);
}

/* --- Decorative Corner Accents --- */
.corner-accent {
  position: absolute;
  width: 60px; height: 60px;
  pointer-events: none;
  opacity: 0.4;
}
.corner-accent--tl { top: -1px; left: -1px; border-top: 2px solid var(--accent-dim); border-left: 2px solid var(--accent-dim); }
.corner-accent--br { bottom: -1px; right: -1px; border-bottom: 2px solid var(--accent-dim); border-right: 2px solid var(--accent-dim); }

/* --- Enhanced Timeline --- */
.timeline__dot {
  animation: dotPulse 3s var(--ease-out-quart) infinite;
  animation-delay: calc(var(--dot-index, 0) * 0.6s);
}
@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--bg-surface), 0 0 0 0 var(--accent-glow); }
  50% { box-shadow: 0 0 0 4px var(--bg-surface), 0 0 16px 6px var(--accent-glow); }
}
.timeline__item { animation: timelineEnter 0.6s var(--ease-out-expo) both; }
.timeline__item:nth-child(1) { animation-delay: 0.1s; }
.timeline__item:nth-child(2) { animation-delay: 0.25s; }
.timeline__item:nth-child(3) { animation-delay: 0.4s; }
.timeline__item:nth-child(4) { animation-delay: 0.55s; }
.timeline__item:nth-child(5) { animation-delay: 0.7s; }
@keyframes timelineEnter {
  from { opacity: 0; transform: translateX(-24px); }
  to { opacity: 1; transform: translateX(0); }
}

/* --- Animated Cert/Value Card Icons --- */
.cert-card, .value-card {
  position: relative;
  overflow: hidden;
}
.cert-card::before, .value-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
  opacity: 0;
  transition: opacity var(--dur-base);
}
.cert-card:hover::before, .value-card:hover::before { opacity: 1; }

/* --- News Card Image Pattern --- */
.news-card__image {
  position: relative;
  overflow: hidden;
  background: var(--bg-elevated);
}
.news-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(45deg, var(--bg-surface) 25%, transparent 25%),
    linear-gradient(-45deg, var(--bg-surface) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--bg-surface) 75%),
    linear-gradient(-45deg, transparent 75%, var(--bg-surface) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  opacity: 0.3;
}
.news-card__image-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-elevated) 100%);
}
.news-card:hover .news-card__image-placeholder {
  background: linear-gradient(135deg, var(--bg-elevated) 0%, oklch(0.20 0.012 258) 100%);
}

/* --- Metric Card Glow --- */
.metric-card {
  position: relative;
  overflow: hidden;
}
.metric-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 40%; height: 2px;
  background: var(--accent);
  border-radius: 1px;
  opacity: 0;
  transition: opacity var(--dur-base), width var(--dur-base);
}
.metric-card:hover::after { opacity: 1; width: 60%; }

/* --- Footer Pattern --- */
.footer {
  position: relative;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
  opacity: 0.5;
}

/* --- Page Header Geometric Background --- */
.page-header {
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}
.page-header .container { position: relative; z-index: 1; }

/* --- Case Card Hover Lift --- */
.case-card {
  transition: all 0.35s var(--ease-out-quart);
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px oklch(0 0 0 / 0.5);
}
.case-card__section-label {
  position: relative;
  display: inline-block;
  padding-left: var(--space-3);
}
.case-card__section-label::before {
  content: '';
  position: absolute;
  left: 0; top: 50%; transform: translateY(-50%);
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

/* --- Accordion Icon SVG --- */
.accordion__trigger {
  gap: var(--space-3);
}
.accordion__trigger-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}
.accordion__icon-svg {
  width: 20px; height: 20px;
  transition: transform 0.35s var(--ease-out-expo);
}
.accordion__item.open .accordion__icon-svg { transform: rotate(180deg); }

/* --- Trust Banner Gradient --- */
.trust-banner {
  position: relative;
}
.trust-banner::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 120px;
  background: linear-gradient(90deg, var(--bg-surface), transparent);
  z-index: 1;
  pointer-events: none;
}
.trust-banner::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 120px;
  background: linear-gradient(-90deg, var(--bg-surface), transparent);
  z-index: 1;
  pointer-events: none;
}

/* --- Filter Button Ripple --- */
.filter-btn {
  position: relative;
  overflow: hidden;
}
.filter-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  border-radius: inherit;
  transform: scale(0);
  opacity: 0;
  transition: transform 0.4s var(--ease-out-expo), opacity 0.3s;
}
.filter-btn:hover::after {
  transform: scale(1);
  opacity: 0.08;
}

/* --- Button Pulse on Hover --- */
.btn--primary {
  animation: btnGlow 2.5s ease-in-out infinite;
}
@keyframes btnGlow {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { box-shadow: 0 0 24px 6px var(--accent-glow); }
}

/* --- Map Container Animated Border --- */
.map-container {
  position: relative;
}
.map-container::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent-dim), transparent 60%) border-box;
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  pointer-events: none;
}

/* --- Contact Card Hover Lift --- */
.contact-info__item {
  transition: all var(--dur-base) var(--ease-out-quart);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin: 0 calc(-1 * var(--space-5));
}
.contact-info__item:hover {
  background: var(--bg-surface);
  transform: translateX(4px);
}

/* --- Nav Logo Animation --- */
.nav__logo-dot {
  animation: logoPulse 2s var(--ease-out-quart) infinite;
}
@keyframes logoPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

/* --- Page Transition Fade --- */
body {
  animation: pageEnter 0.5s var(--ease-out-expo);
}
@keyframes pageEnter {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- Decorative Dots Pattern for Sections --- */
.section--dotted {
  position: relative;
}
.section--dotted::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--border-subtle) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
  pointer-events: none;
}

/* ================================================================
   IMAGE ILLUSTRATIONS — added per user request for more visuals
   ================================================================ */

/* --- Hero Illustration --- */
.hero__illustration {
  position: absolute;
  right: 2%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(360px, 42vw, 620px);
  height: clamp(320px, 42vw, 560px);
  pointer-events: none;
  opacity: 0.8;
  z-index: 1;
  animation: heroIllustrationFloat 6s ease-in-out infinite;
}
@keyframes heroIllustrationFloat {
  0%, 100% { transform: translateY(-50%) translateX(0); }
  50% { transform: translateY(-52%) translateX(8px); }
}
@media (max-width: 1024px) {
  .hero__illustration {
    right: -10%;
    width: 300px;
    height: 300px;
    opacity: 0.4;
    top: 55%;
  }
}
@media (max-width: 640px) {
  .hero__illustration { display: none; }
}

/* --- Section Illustration (generic side image) --- */
.section-illustration {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}
.section-illustration svg {
  width: 100%;
  height: auto;
}
@media (max-width: 768px) {
  .section-illustration {
    max-width: 320px;
    margin-top: var(--space-10);
  }
}

/* --- News Card Image (upgraded from placeholder to SVG illustration) --- */
.news-card__illustration {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  overflow: hidden;
}
.news-card__illustration svg {
  width: 80%;
  height: 80%;
}

/* --- Case Study Thumbnail --- */
.case-thumb {
  position: relative;
  width: 100%;
  height: 240px;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
}
.case-thumb svg {
  width: 70%;
  height: 70%;
  transition: transform 0.5s var(--ease-out-expo);
}
.case-card:hover .case-thumb svg {
  transform: scale(1.06);
}
.case-thumb__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.5));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.case-card:hover .case-thumb__overlay { opacity: 1; }

/* --- About Page Image Strip --- */
.about-illustration-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  max-width: 680px;
  margin: var(--space-12) auto var(--space-8);
}
.about-illustration-grid .ai-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 180px;
  border: 1px solid var(--border-subtle);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.about-illustration-grid .ai-item:hover {
  border-color: var(--accent);
  box-shadow: 0 0 32px rgba(245,158,11,0.08);
}
.about-illustration-grid .ai-item svg {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
  opacity: 0.9;
}
.about-illustration-grid .ai-item span {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}
@media (max-width: 640px) {
  .about-illustration-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
}

/* --- Service Header Illustration --- */
.service-header-illustration {
  width: 100%;
  max-width: 540px;
  margin: var(--space-10) auto var(--space-4);
}
.service-header-illustration svg {
  width: 100%;
  height: auto;
}

/* --- Timeline Image --- */
.timeline-illustration {
  width: 100%;
  max-width: 560px;
  margin: var(--space-10) auto;
}
.timeline-illustration svg {
  width: 100%;
  height: auto;
}