/* ============================================
   TrueTest — Design System & Styles
   Dark, sophisticated, tech-company aesthetic
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-bg: #0A0A0A;
  --color-bg-elevated: #111111;
  --color-bg-light: #F7F5F2;
  --color-bg-cream: #FAF8F5;

  --color-accent: #0EA5E9;
  --color-accent-hover: #38BDF8;
  --color-accent-glow: rgba(14, 165, 233, 0.35);
  --color-accent-subtle: rgba(14, 165, 233, 0.1);

  --color-text-primary: rgba(255, 255, 255, 0.95);
  --color-text-secondary: rgba(255, 255, 255, 0.65);
  --color-text-muted: rgba(255, 255, 255, 0.4);
  --color-text-dark: #1A1A1A;
  --color-text-dark-secondary: rgba(26, 26, 26, 0.65);

  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);
  --color-border-light: rgba(0, 0, 0, 0.08);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Spectral', Georgia, 'Times New Roman', serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* --- Accessibility --- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Container --- */
.container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
}

.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--color-accent), #a78bfa, var(--color-accent));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-label.shimmer-active {
  animation: labelShimmer 1.5s ease-in-out;
}

@keyframes labelShimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.section-label-dark {
  color: var(--color-accent);
  background: linear-gradient(90deg, var(--color-accent), #8B5CF6, var(--color-accent));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 1.25rem;
  color: var(--color-text-primary);
}

.section-title-dark {
  color: var(--color-text-dark);
}

.section-description {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  font-weight: 300;
  color: var(--color-text-secondary);
  max-width: 38rem;
  line-height: 1.7;
}

.section-description-dark {
  color: var(--color-text-dark-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .section-description {
  margin-left: auto;
  margin-right: auto;
}

/* --- Sections --- */
.section {
  padding: 6rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 8rem 0;
  }
}

.section-dark {
  background-color: var(--color-bg);
}

.section-light {
  background-color: var(--color-bg-light);
}

.section-accent {
  background: linear-gradient(180deg, var(--color-bg) 0%, #0F0D1A 50%, var(--color-bg) 100%);
}

.section-cta {
  background: linear-gradient(180deg, var(--color-bg) 0%, #110E1F 100%);
  padding: 6rem 0 8rem;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 1.5rem;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

@media (min-width: 1024px) {
  .site-header {
    padding: 0 2rem;
  }
}

.site-header.scrolled {
  background-color: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
}

.header-container {
  max-width: 80rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--color-text-primary);
}

.logo-icon {
  color: var(--color-accent);
  flex-shrink: 0;
}

.logo-img {
  height: 110px;
  width: auto;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.desktop-nav {
  display: none;
}

@media (min-width: 768px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
}

.nav-link {
  position: relative;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 0.25rem 0;
  transition: color 0.3s var(--ease-out);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1.5px;
  background-color: var(--color-accent);
  transition: width 0.3s var(--ease-out);
}

.nav-link:hover {
  color: var(--color-text-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-actions .btn-sm {
  display: none;
}

@media (min-width: 768px) {
  .header-actions .btn-sm {
    display: inline-flex;
  }
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.mobile-menu-toggle:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--color-border-hover);
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.menu-icon-close {
  display: none;
}

.mobile-menu-toggle[aria-expanded="true"] .menu-icon-open {
  display: none;
}

.mobile-menu-toggle[aria-expanded="true"] .menu-icon-close {
  display: block;
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 2rem 1.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), visibility 0.3s;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-nav-link {
  display: block;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color 0.2s ease;
}

.mobile-nav-link:hover {
  color: var(--color-text-primary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0.75rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 0 0 0 var(--color-accent-glow);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out);
}

.btn-primary:hover {
  box-shadow: 0 4px 24px var(--color-accent-glow);
}

.btn-primary:hover::after {
  transform: translateX(100%);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.25);
}

/* Sizes */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero .container {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
  }
}

.hero-content {
  max-width: 36rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  line-height: 1.08;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.accent-text {
  color: var(--color-accent);
}

.hero-description {
  font-size: clamp(1rem, 1.5vw, 1.175rem);
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 2.5rem;
  max-width: 30rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Hero Animations */
.hero-anim {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.8s var(--ease-out) forwards;
}

.hero-anim-1 { animation-delay: 0.2s; }
.hero-anim-2 { animation-delay: 0.4s; }
.hero-anim-3 { animation-delay: 0.6s; }
.hero-anim-4 { animation-delay: 0.8s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero Visual */
.hero-visual {
  display: none;
  position: relative;
}

@media (min-width: 1024px) {
  .hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  filter: blur(80px);
  opacity: 0.5;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero-graphic {
  width: 300px;
  height: 400px;
  position: relative;
}

.helix-strand {
  position: relative;
  width: 100%;
  height: 100%;
}

.helix-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-accent);
  left: calc(50% + sin(calc(var(--i) * 0.8)) * 80px - 6px);
  top: calc(var(--i) * 12.5%);
  opacity: 0.4;
  animation: helixPulse 3s ease-in-out infinite;
  animation-delay: calc(var(--i) * 0.2s);
}

@keyframes helixPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.5); }
}

/* ============================================
   TRUSTED / TICKER SECTION
   ============================================ */
.trusted-section {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.trusted-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.ticker-wrapper {
  overflow: hidden;
  position: relative;
}

.ticker-wrapper::before,
.ticker-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.ticker-wrapper::before {
  left: 0;
  background: linear-gradient(90deg, var(--color-bg) 0%, transparent 100%);
}

.ticker-wrapper::after {
  right: 0;
  background: linear-gradient(90deg, transparent 0%, var(--color-bg) 100%);
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: 2rem;
  white-space: nowrap;
  animation: ticker 30s linear infinite;
}

.ticker-track:hover {
  animation-play-state: paused;
}

.ticker-item {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.ticker-separator {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   CARDS
   ============================================ */
.card {
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
}

.card-dark {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
}

.card-dark:hover {
  border-color: rgba(14, 165, 233, 0.2);
  box-shadow: 0 8px 40px rgba(14, 165, 233, 0.1);
  transform: translateY(-4px);
}

.card-light {
  background-color: #fff;
  border: 1px solid var(--color-border-light);
}

.card-light .card-title {
  color: var(--color-text-dark);
}

.card-light .card-description,
.card-light .card-features li {
  color: var(--color-text-dark-secondary);
}

.card-light:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-text-primary);
}

.card-description {
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.card-features li svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Solutions Grid */
.solutions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   PROCESS / PIPELINE
   ============================================ */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  text-align: center;
  padding: 2rem 1.5rem;
}

.process-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(14, 165, 233, 0.15);
  line-height: 1;
  margin-bottom: 1rem;
}

.process-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.process-icon svg {
  width: 22px;
  height: 22px;
}

.process-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 0.5rem;
}

.process-description {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--color-text-dark-secondary);
  line-height: 1.7;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.about-text {
  font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.about-highlight {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.about-highlight svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  margin-top: 2px;
  flex-shrink: 0;
}

.about-highlight strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.about-highlight span {
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--color-text-secondary);
}

/* About Visual (abstract lab grid) */
.about-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-placeholder {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lab-visual {
  padding: 3rem;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lab-illustration {
  width: 100%;
  height: 100%;
}

.scope-glow {
  animation: scopeGlow 3s ease-in-out infinite;
}

@keyframes scopeGlow {
  0%, 100% { opacity: 0.3; r: 12; }
  50% { opacity: 0.8; r: 18; }
}

.molecule {
  animation: moleculeFloat 4s ease-in-out infinite;
}

.molecule.m1 { animation-delay: 0s; }
.molecule.m2 { animation-delay: 0.8s; }
.molecule.m3 { animation-delay: 1.6s; }
.molecule.m4 { animation-delay: 2.4s; }
.molecule.m5 { animation-delay: 3.2s; }

@keyframes moleculeFloat {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(-8px); opacity: 0.8; }
}

.dna-strand {
  animation: dnaShift 6s ease-in-out infinite;
}

@keyframes dnaShift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  justify-items: center;
}

@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 640px;
    margin: 0 auto;
  }
}

.stat-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-lg);
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  transition: border-color 0.3s var(--ease-out);
}

.stat-card:hover {
  border-color: rgba(14, 165, 233, 0.2);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.stat-description {
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-content {
  text-align: center;
  max-width: 38rem;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.25rem;
}

.cta-description {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 1024px) {
  .contact-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-text {
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  margin-top: 2px;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.125rem;
}

.contact-item span,
.contact-item a {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-item a:hover {
  color: var(--color-accent);
}

/* Contact Form */
.contact-form-wrapper {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text-primary);
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  background-color: rgba(14, 165, 233, 0.04);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group select option {
  background-color: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 1.5fr 2fr;
  }
}

.footer-tagline {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  margin-top: 0.75rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (min-width: 640px) {
  .footer-links {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.footer-col a,
.footer-col span {
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--color-text-primary);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-bottom p {
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--color-text-muted);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }