/* ===========================
   TATTVASIM — DESIGN SYSTEM
   =========================== */

:root {
  --background: hsl(220, 25%, 97%);
  --foreground: hsl(220, 40%, 13%);
  --card: hsl(0, 0%, 100%);
  --primary: hsl(220, 60%, 20%);
  --primary-foreground: hsl(210, 40%, 98%);
  --secondary: hsl(215, 25%, 94%);
  --muted: hsl(215, 20%, 92%);
  --muted-foreground: hsl(220, 15%, 46%);
  --accent: hsl(265, 70%, 55%);
  --accent-foreground: hsl(0, 0%, 100%);
  --highlight: hsl(175, 65%, 45%);
  --highlight-foreground: hsl(0, 0%, 100%);
  --signal: hsl(155, 75%, 45%);
  --signal-foreground: hsl(0, 0%, 100%);
  --border: hsl(220, 20%, 88%);
  --radius: 0.75rem;

  --gradient-quantum: linear-gradient(135deg, hsl(265, 70%, 55%), hsl(220, 60%, 20%));
  --gradient-hero: linear-gradient(180deg, hsl(220, 40%, 10%) 0%, hsl(220, 50%, 15%) 50%, hsl(220, 60%, 20%) 100%);
  --gradient-card: linear-gradient(145deg, hsl(0, 0%, 100%) 0%, hsl(215, 25%, 97%) 100%);
  --gradient-teal: linear-gradient(135deg, hsl(175, 65%, 45%), hsl(195, 70%, 40%));
  --gradient-signal: linear-gradient(135deg, hsl(155, 75%, 45%), hsl(165, 70%, 40%));
  --gradient-text: linear-gradient(to right, hsl(265, 70%, 55%), hsl(175, 65%, 45%), hsl(155, 75%, 45%));

  --shadow-sm: 0 2px 8px hsl(220, 40%, 13%, 0.04);
  --shadow-md: 0 4px 20px hsl(220, 40%, 13%, 0.08);
  --shadow-lg: 0 8px 40px hsl(220, 40%, 13%, 0.12);
  --shadow-xl: 0 20px 50px hsl(220, 40%, 13%, 0.16);
  --shadow-glow: 0 0 60px hsl(265, 70%, 55%, 0.2);

  --font-display: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-display);
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* === UTILITIES === */
.container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
}
@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* === ANIMATIONS === */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}
@keyframes orbital-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

.animate-fade-up { animation: fade-up 0.8s ease-out both; }
.animate-float { animation: float 6s ease-in-out infinite; }
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: none;
  transition: all 0.4s ease;
}
.navbar.scrolled {
  background: hsla(220, 40%, 8%, 0.93);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(14px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.35);
}
.navbar .nav-link { color: rgba(255,255,255,0.78); }
.navbar .nav-link:hover,
.navbar .nav-link.active { color: rgba(255,255,255,1); }
.navbar .logo-text { color: white; }
.navbar .hamburger span { background: white; }

/* Transparent navbar for hero — merges with background image */
.navbar-hero {
  background: transparent !important;
  border-bottom: 1px solid rgba(255,255,255,0.08) !important;
  backdrop-filter: none !important;
}
.navbar-hero.scrolled {
  background: hsla(220, 40%, 8%, 0.92) !important;
  border-bottom: 1px solid rgba(255,255,255,0.1) !important;
  backdrop-filter: blur(12px) !important;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3) !important;
}

/* White nav links for dark hero */
.nav-link-white {
  color: rgba(255,255,255,0.75) !important;
}
.nav-link-white:hover, .nav-link-white.active {
  color: rgba(255,255,255,1) !important;
}
.hamburger-white span {
  background: white !important;
}

.nav-container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: hsl(var(--foreground));
}
.logo-img { width: 2rem; height: 2rem; object-fit: contain; }
.logo-text { font-size: 1.2rem; font-weight: 800; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  transition: color 0.2s;
}
.nav-link:hover, .nav-link.active { color: hsl(var(--foreground)); }

.nav-cta {
  padding: 0.625rem 1.25rem;
  background: var(--gradient-quantum);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: opacity 0.2s, transform 0.2s;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: hsl(var(--foreground));
  border-radius: 2px;
  transition: all 0.3s;
}

@media (max-width: 1023px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 5rem; left: 0; right: 0;
    background: hsl(var(--card));
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid hsl(var(--border));
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
}

/* === BUTTONS === */
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.75rem;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: hsl(220, 60%, 15%); box-shadow: var(--shadow-md); transform: translateY(-1px); }

.btn-accent {
  display: inline-flex;
  align-items: center;
  padding: 0.875rem 2rem;
  background: hsl(var(--accent));
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: all 0.3s;
  box-shadow: var(--shadow-xl);
}
.btn-accent:hover { background: hsl(265, 70%, 50%); transform: translateY(-2px); box-shadow: 0 25px 50px hsl(265, 70%, 55%, 0.3); }

.btn-accent-lg {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2.5rem;
  background: hsl(var(--accent));
  color: white;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius);
  transition: all 0.3s;
}
.btn-accent-lg:hover { background: hsl(265, 70%, 50%); transform: translateY(-2px); }

.btn-outline-white {
  display: inline-flex;
  align-items: center;
  padding: 0.875rem 2rem;
  border: 1.5px solid rgba(255,255,255,0.4);
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: all 0.3s;
}
.btn-outline-white:hover { border-color: rgba(255,255,255,0.8); background: rgba(255,255,255,0.1); }

.btn-outline-white-lg {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2.5rem;
  border: 1.5px solid rgba(255,255,255,0.4);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius);
  transition: all 0.3s;
}
.btn-outline-white-lg:hover { border-color: rgba(255,255,255,0.8); background: rgba(255,255,255,0.1); }

/* === HERO === */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg-img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, hsla(220,40%,10%,0.7) 0%, hsla(220,50%,15%,0.75) 50%, hsla(220,60%,20%,0.8) 100%);
  z-index: 1;
}

/* Animated orbs */
.hero-orbs { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.orb {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: orbital-spin 20s linear infinite;
}
.orb-1 {
  width: 16rem; height: 16rem;
  top: 25%; left: 25%;
  border-color: hsl(var(--accent), 0.2);
}
.orb-2 {
  width: 24rem; height: 24rem;
  top: 33%; right: 25%;
  border-color: hsl(var(--highlight), 0.1);
  animation-direction: reverse;
  animation-duration: 30s;
}
.orb-3 {
  width: 12rem; height: 12rem;
  bottom: 33%; left: 25%;
  border-color: hsl(var(--accent), 0.15);
  animation-duration: 25s;
}

.hero-dots { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.dot {
  position: absolute;
  border-radius: 50%;
  animation: pulse-glow 4s ease-in-out infinite;
}
.dot-accent { width: 0.5rem; height: 0.5rem; background: hsl(var(--accent)); top: 33%; left: 20%; }
.dot-signal { width: 0.75rem; height: 0.75rem; background: hsl(var(--signal)); bottom: 33%; right: 25%; animation-delay: 1s; }
.dot-highlight { width: 0.5rem; height: 0.5rem; background: hsl(var(--highlight)); top: 67%; right: 33%; animation-delay: 2s; }

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 80rem;
  margin: 0 auto;
  padding: 8rem 1.5rem 4rem;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: hsl(var(--accent), 0.15);
  border: 1px solid hsl(var(--accent), 0.3);
  color: hsl(var(--accent-foreground));
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 100px;
  color: hsl(175, 65%, 70%);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: hsl(var(--primary-foreground));
  line-height: 1.1;
  margin-bottom: 1.5rem;
  max-width: 50rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: hsl(210, 40%, 80%);
  line-height: 1.7;
  max-width: 38rem;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: hsl(210, 40%, 70%);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  width: fit-content;
}
.scroll-line {
  width: 1px;
  height: 3rem;
  background: linear-gradient(to bottom, hsl(210, 40%, 70%), transparent);
}

/* === TRUST BAR === */
.trust-bar {
  background: hsl(var(--primary));
  padding: 2.5rem 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) { .trust-grid { grid-template-columns: repeat(3, 1fr); gap: 0; } }

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0 2rem;
  border-right: 1px solid hsl(var(--primary-foreground), 0.1);
}
.trust-item:last-child { border-right: none; }
@media (max-width: 767px) { .trust-item { border-right: none; border-bottom: 1px solid hsl(var(--primary-foreground), 0.1); padding-bottom: 2rem; } }

.trust-icon { font-size: 1.5rem; }
.trust-label {
  font-weight: 600;
  color: hsl(var(--primary-foreground));
  margin-bottom: 0.25rem;
}
.trust-desc { font-size: 0.875rem; color: hsl(var(--primary-foreground), 0.7); }

/* === SECTIONS === */
.section { padding: 6rem 0; }

.section-header { margin-bottom: 3.5rem; }
.section-header.centered { text-align: center; }

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: hsl(var(--accent));
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: hsl(var(--foreground));
  line-height: 1.25;
  max-width: 50rem;
  margin-bottom: 1rem;
}
.section-header.centered .section-title { margin-left: auto; margin-right: auto; }

.section-subtitle {
  font-size: 1.05rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.7;
  max-width: 42rem;
}
.section-header.centered .section-subtitle { margin-left: auto; margin-right: auto; }

.section-cta { text-align: center; margin-top: 3rem; }

/* === SERVICE CARDS === */
.services-section { background: hsl(var(--background)); }

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

.service-card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border), 0.5);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  background-image: var(--gradient-card);
  transition: box-shadow 0.3s, transform 0.3s;
  cursor: default;
}
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.service-icon { font-size: 2rem; margin-bottom: 1rem; }

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin-bottom: 0.75rem;
  transition: color 0.2s;
}
.service-card:hover h3 { color: hsl(var(--accent)); }

.service-card p {
  font-size: 0.9rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.service-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tag {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 100px;
  border: 1px solid;
}
.tag-accent {
  background: hsl(var(--accent), 0.1);
  color: hsl(var(--accent));
  border-color: hsl(var(--accent), 0.2);
}
.tag-highlight {
  background: hsl(var(--highlight), 0.1);
  color: hsl(var(--highlight));
  border-color: hsl(var(--highlight), 0.2);
}
.tag-signal {
  background: hsl(var(--signal), 0.1);
  color: hsl(var(--signal));
  border-color: hsl(var(--signal), 0.2);
}

/* === WORKFLOW === */
.workflow-section { background: hsl(var(--secondary)); }

.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: stretch;
}
@media (min-width: 1024px) {
  .workflow-steps {
    flex-direction: row;
    align-items: flex-start;
  }
}

.workflow-step {
  flex: 1;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border), 0.5);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: hsl(var(--accent));
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.workflow-step h3 {
  font-size: 1rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin-bottom: 0.5rem;
}

.workflow-step p {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.6;
}

.workflow-arrow {
  display: none;
  align-items: center;
  color: hsl(var(--accent));
  font-size: 1.5rem;
  padding-top: 1.75rem;
  flex-shrink: 0;
}
@media (min-width: 1024px) { .workflow-arrow { display: flex; } }

/* === CASE STUDIES === */
.case-studies-section { background: hsl(var(--background)); }

.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) { .cases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cases-grid { grid-template-columns: repeat(3, 1fr); } }

.case-card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border), 0.5);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  background-image: var(--gradient-card);
  transition: all 0.3s;
  cursor: default;
}
.case-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); }

.case-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
}
.case-drug .case-tag { background: hsl(var(--accent), 0.1); color: hsl(var(--accent)); }
.case-materials .case-tag { background: hsl(var(--highlight), 0.1); color: hsl(var(--highlight)); }
.case-energy .case-tag { background: hsl(var(--signal), 0.1); color: hsl(var(--signal)); }

.case-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin-bottom: 0.625rem;
}
.case-card p {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.6;
  margin-bottom: 1.25rem;
}
.case-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}
.case-tech span {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.5rem;
  background: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  border-radius: 100px;
}

/* === DOMAINS === */
.domains-section { background: hsl(var(--primary)); padding: 5rem 0; }
.domains-section .section-label { color: hsl(var(--highlight)); }
.domains-section .section-title { color: hsl(var(--primary-foreground)); max-width: none; }

.domains-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
@media (min-width: 640px) { .domains-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) { .domains-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .domains-grid { grid-template-columns: repeat(6, 1fr); } }

.domain-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  padding: 1.25rem;
  background: hsl(var(--primary-foreground), 0.05);
  border: 1px solid hsl(var(--primary-foreground), 0.1);
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.2s;
  cursor: default;
}
.domain-item:hover {
  background: hsl(var(--primary-foreground), 0.1);
  border-color: hsl(var(--primary-foreground), 0.2);
  transform: translateY(-2px);
}
.domain-icon { font-size: 1.5rem; }
.domain-item span {
  font-size: 0.75rem;
  font-weight: 500;
  color: hsl(var(--primary-foreground), 0.8);
  line-height: 1.3;
}

/* === CTA SECTION === */
.cta-section {
  background: var(--gradient-quantum);
  padding: 6rem 0;
}

.cta-content { text-align: center; }
.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}
.cta-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* === FOOTER === */
.footer {
  background: hsl(var(--foreground));
  color: hsl(var(--primary-foreground));
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid hsl(var(--primary-foreground), 0.1);
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.footer-logo-img { width: 2rem; height: 2rem; object-fit: contain; }

.footer-brand p {
  font-size: 0.875rem;
  color: hsl(var(--primary-foreground), 0.6);
  line-height: 1.6;
  max-width: 20rem;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: hsl(var(--primary-foreground), 0.5);
  margin-bottom: 1rem;
}

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

.footer-col a {
  font-size: 0.875rem;
  color: hsl(var(--primary-foreground), 0.7);
  transition: color 0.2s;
}
.footer-col a:hover { color: hsl(var(--primary-foreground)); }

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 2rem;
  font-size: 0.8rem;
  color: hsl(var(--primary-foreground), 0.4);
}
@media (min-width: 640px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: hsl(var(--primary-foreground), 0.4); transition: color 0.2s; }
.footer-links a:hover { color: hsl(var(--primary-foreground)); }

/* ===========================
   PAGE: SERVICES
   =========================== */
.page-hero {
  background: var(--gradient-hero);
  padding: 10rem 0 5rem;
  text-align: center;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: white;
  margin-bottom: 1rem;
}
.page-hero p {
  font-size: 1.1rem;
  color: hsl(210, 40%, 80%);
  max-width: 36rem;
  margin: 0 auto;
  line-height: 1.7;
}

.service-detail {
  padding: 5rem 0;
  border-bottom: 1px solid hsl(var(--border));
}
.service-detail:last-child { border-bottom: none; }

.service-detail-grid {
  display: grid;
  gap: 3rem;
}
@media (min-width: 1024px) {
  .service-detail-grid { grid-template-columns: repeat(2, 1fr); align-items: start; }
}

.service-detail-visual {
  background: hsl(var(--primary));
  border-radius: 1rem;
  padding: 2.5rem;
  color: white;
}
.service-detail-visual h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.service-detail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.service-detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.9rem;
  color: hsl(210, 40%, 85%);
}
.service-detail-list li::before {
  content: '✦';
  color: hsl(var(--highlight));
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===========================
   PAGE: TEAM
   =========================== */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 640px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .team-grid { grid-template-columns: repeat(3, 1fr); } }

.team-card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border), 0.5);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all 0.3s;
}
.team-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); }

.team-avatar {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background: var(--gradient-quantum);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 1.25rem;
}
.team-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-bottom: 0.25rem;
}
.team-card .role {
  font-size: 0.875rem;
  color: hsl(var(--accent));
  font-weight: 500;
  margin-bottom: 0.25rem;
}
.team-card .affiliation {
  font-size: 0.8rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 1rem;
}
.team-card p {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.6;
}

/* ===========================
   PAGE: CONTACT
   =========================== */
.contact-section { padding: 5rem 0; }
.contact-grid {
  display: grid;
  gap: 3rem;
}
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 1fr 1.5fr; align-items: start; } }

.contact-info h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: hsl(var(--foreground));
}
.contact-info p { color: hsl(var(--muted-foreground)); line-height: 1.7; margin-bottom: 2rem; }

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: hsl(var(--secondary));
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.contact-method-icon { font-size: 1.25rem; }
.contact-method h4 { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.25rem; }
.contact-method p { font-size: 0.825rem; color: hsl(var(--muted-foreground)); margin: 0; }

.contact-form {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border), 0.5);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}
.contact-form h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 1.5rem; color: hsl(var(--foreground)); }

.form-grid { display: grid; gap: 1.25rem; }
@media (min-width: 640px) { .form-row { grid-template-columns: repeat(2, 1fr); } }

.form-group { display: flex; flex-direction: column; gap: 0.375rem; }
.form-group label { font-size: 0.875rem; font-weight: 500; color: hsl(var(--foreground)); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) - 2px);
  background: hsl(var(--background));
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: hsl(var(--foreground));
  transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: hsl(var(--accent));
  box-shadow: 0 0 0 2px hsl(var(--accent), 0.1);
}
.form-group textarea { resize: vertical; min-height: 5rem; }

.form-note { font-size: 0.75rem; color: hsl(var(--muted-foreground)); margin-top: 0.5rem; }
.form-note a { color: hsl(var(--accent)); }

/* ===========================
   PAGE: NOT FOUND
   =========================== */
.not-found {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: hsl(var(--muted));
  text-align: center;
  padding: 2rem;
}
.not-found h1 { font-size: 4rem; font-weight: 800; color: hsl(var(--primary)); margin-bottom: 0.5rem; }
.not-found p { color: hsl(var(--muted-foreground)); margin-bottom: 2rem; }