/* ==========================================================================
   Atelier Spectra - Design System
   ========================================================================== */

:root {
  --bg-primary: #08080c;
  --bg-secondary: #0e0e14;
  --bg-elevated: #13131c;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --text-primary: #f5f3ef;
  --text-secondary: rgba(245, 243, 239, 0.62);
  --text-muted: rgba(245, 243, 239, 0.38);
  --accent-blue: #7a9ec8;
  --accent-violet: #9d7ec7;
  --accent-gold: #c4a574;
  --accent-warm: #e8e4dc;
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.12);
  --glow-blue: rgba(122, 158, 200, 0.18);
  --glow-violet: rgba(157, 126, 199, 0.14);
  --glow-gold: rgba(196, 165, 116, 0.1);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --header-height: 72px;
  --container-max: 1280px;
  --container-narrow: 760px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;
}

/* Reset & Base
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 106.25%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.55;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

/* Typography
   ========================================================================== */

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.875rem, 6.2vw, 5.125rem);
}

h2 {
  font-size: clamp(2.125rem, 4.2vw, 3.375rem);
}

h3 {
  font-size: clamp(1.5625rem, 2.6vw, 2.125rem);
}

h4 {
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
}

p + p {
  margin-top: 0.75rem;
}

.lead {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

.subtitle {
  font-family: var(--font-body);
  font-size: clamp(0.875rem, 1.2vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: max(clamp(1.5rem, 4vw, 3rem), env(safe-area-inset-left, 0px));
  padding-right: max(clamp(1.5rem, 4vw, 3rem), env(safe-area-inset-right, 0px));
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: clamp(4rem, 7vw, 6.5rem) 0;
  position: relative;
}

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

/* Ambient glow backgrounds */
.glow-bg {
  position: relative;
  overflow: hidden;
}

.glow-bg::before,
.glow-bg::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.5;
}

.glow-bg::before {
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  max-height: 600px;
  top: -20%;
  right: -10%;
  background: var(--glow-blue);
}

.glow-bg::after {
  width: 40vw;
  height: 40vw;
  max-width: 500px;
  max-height: 500px;
  bottom: -15%;
  left: -10%;
  background: var(--glow-violet);
}

/* Header
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

.site-header.is-scrolled {
  background: rgba(8, 8, 12, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: block;
  z-index: 1001;
  line-height: 0;
  flex-shrink: 1;
  min-width: 0;
}

.logo__img {
  display: block;
  width: auto;
  height: auto;
  max-height: 2.5rem;
  max-width: min(48vw, 14rem);
  object-fit: contain;
  transition: opacity var(--transition-fast);
}

.logo:hover .logo__img {
  opacity: 0.82;
}

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-list > li {
  position: relative;
}

.nav-list > li > a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-list > li > a:hover,
.nav-list > li > a.is-active {
  color: var(--text-primary);
}

.nav-list > li.has-submenu > a::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 0.4rem;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  vertical-align: middle;
  opacity: 0.5;
}

/* Submenu */
.submenu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 240px;
  padding: 0.75rem 0;
  background: rgba(14, 14, 20, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 2px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.has-submenu:hover .submenu,
.has-submenu.is-open .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.submenu a {
  display: block;
  padding: 0.625rem 1.5rem;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.submenu a:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero--page {
  min-height: clamp(22rem, 48vh, 36rem);
  align-items: flex-end;
}

.hero--page .hero__content {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: clamp(2.5rem, 4vw, 3.5rem);
}

.hero--page + .section {
  padding-top: clamp(3.5rem, 7vw, 5rem);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

/* Homepage hero - seamless Ken Burns loop */
.hero--home .hero__bg {
  overflow: hidden;
}

.hero--home .hero__bg img {
  position: relative;
  z-index: 1;
  transform: scale(1.08);
  animation: heroKenBurns 28s ease-in-out infinite, heroBrightness 28s ease-in-out infinite;
  will-change: transform, filter;
}

.hero--home .hero__lamp {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  mix-blend-mode: soft-light;
  opacity: 0;
  background: radial-gradient(
    ellipse 26% 20% at 32% 38%,
    rgba(255, 145, 55, 0.7) 0%,
    rgba(255, 100, 40, 0.25) 45%,
    transparent 72%
  );
  animation: heroLamp 28s ease-in-out infinite;
  will-change: transform, opacity;
}

.hero--home .hero__lamp--alt {
  mix-blend-mode: soft-light;
  background: radial-gradient(
    ellipse 24% 18% at 68% 62%,
    rgba(180, 130, 255, 0.65) 0%,
    rgba(120, 90, 220, 0.22) 45%,
    transparent 72%
  );
  animation: heroLampAlt 28s ease-in-out infinite;
}

@keyframes heroKenBurns {
  0%, 100% {
    transform: scale(1.08) translate(0%, 0%);
  }
  15% {
    transform: scale(1.02) translate(-1.5%, 0.5%);
  }
  35% {
    transform: scale(1.22) translate(-2.5%, -1.2%);
  }
  50% {
    transform: scale(1.28) translate(2%, 1.1%);
  }
  65% {
    transform: scale(1.05) translate(3%, -0.8%);
  }
  80% {
    transform: scale(1.24) translate(1.5%, 0.6%);
  }
  92% {
    transform: scale(1.06) translate(-1%, 0.3%);
  }
}

@keyframes heroBrightness {
  0%, 100%, 12%, 62%, 88% {
    filter: brightness(1) saturate(1) contrast(1);
  }
  35% {
    filter: brightness(1.12) saturate(1.22) contrast(1.05);
  }
  50% {
    filter: brightness(1.24) saturate(1.4) contrast(1.1);
  }
  80% {
    filter: brightness(1.18) saturate(1.3) contrast(1.06);
  }
}

@keyframes heroLamp {
  0%, 100%, 12%, 58%, 88% {
    opacity: 0;
    transform: translate(0%, 0%) scale(1);
  }
  28% {
    opacity: 0.55;
    transform: translate(-4%, -3%) scale(1.04);
  }
  42% {
    opacity: 0.75;
    transform: translate(2%, 1%) scale(1.06);
  }
  52% {
    opacity: 0.35;
    transform: translate(5%, 2%) scale(1.02);
  }
}

@keyframes heroLampAlt {
  0%, 100%, 20%, 48%, 75% {
    opacity: 0;
    transform: translate(0%, 0%) scale(1);
  }
  35% {
    opacity: 0;
  }
  50% {
    opacity: 0.65;
    transform: translate(-3%, 4%) scale(1.05);
  }
  62% {
    opacity: 0.4;
    transform: translate(-6%, 2%) scale(1.03);
  }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    var(--bg-primary) 0%,
    rgba(8, 8, 12, 0.7) 40%,
    rgba(8, 8, 12, 0.4) 100%
  );
  z-index: 1;
}

.hero__glow {
  position: absolute;
  width: 60vw;
  height: 60vw;
  max-width: 700px;
  max-height: 700px;
  top: 10%;
  right: -15%;
  background: radial-gradient(circle, var(--glow-violet) 0%, transparent 70%);
  filter: blur(60px);
  z-index: 1;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
  max-width: 820px;
}

.hero__content h1 {
  margin-bottom: 1rem;
}

.hero__brand {
  margin: 0;
  line-height: 0;
}

.hero__logo {
  display: block;
  width: min(100%, 42rem);
  height: auto;
  object-fit: contain;
}

.hero__tagline {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero--home .hero__tagline {
  font-family: var(--font-body);
  font-size: clamp(0.8125rem, 1.2vw, 0.9375rem);
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.hero__text {
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.hero__text p {
  margin: 0;
  line-height: 1.55;
}

.hero__text p + p {
  margin-top: 0.75rem;
}

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

/* Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--border-light);
  border-radius: 0;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.btn:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn--primary {
  background: rgba(122, 158, 200, 0.12);
  border-color: rgba(122, 158, 200, 0.35);
  color: var(--accent-warm);
}

.btn--primary:hover {
  background: rgba(122, 158, 200, 0.22);
  border-color: rgba(122, 158, 200, 0.5);
}

.btn--gold {
  border-color: rgba(196, 165, 116, 0.35);
  color: var(--accent-gold);
}

.btn--gold:hover {
  background: rgba(196, 165, 116, 0.1);
  border-color: rgba(196, 165, 116, 0.5);
}

.btn--full {
  width: 100%;
}

/* Glass cards
   ========================================================================== */

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: clamp(2rem, 4vw, 3rem);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
}

.glass-card--link {
  display: block;
  position: relative;
  overflow: hidden;
}

.glass-card--link:hover {
  transform: translateY(-4px);
}

.glass-card--link .card-arrow {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.glass-card--link:hover .card-arrow {
  color: var(--accent-blue);
  transform: translateX(4px);
}

/* Innovation cards */
.innovation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.innovation-card {
  position: relative;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.innovation-card__image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.innovation-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  transition: opacity var(--transition), transform 0.8s ease;
}

.innovation-card:hover .innovation-card__image img {
  opacity: 0.65;
  transform: scale(1.03);
}

.innovation-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 8, 12, 0.95) 0%, rgba(8, 8, 12, 0.3) 60%, transparent 100%);
  z-index: 1;
}

.innovation-card__content {
  position: relative;
  z-index: 2;
  padding: 2.5rem;
}

.innovation-card__content h3 {
  margin-bottom: 0.5rem;
}

.innovation-card__content p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* Manifest / prose sections
   ========================================================================== */

.prose {
  max-width: 640px;
}

.prose--center {
  margin: 0 auto;
  text-align: center;
}

.prose--center .subtitle {
  justify-content: center;
}

.prose h2 {
  margin-bottom: 1.25rem;
}

.prose p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.prose p + p {
  margin-top: 1rem;
}

.prose p + .highlight-line {
  margin-top: 1.25rem;
}

.prose .highlight-line + p {
  margin-top: 1rem;
}

.prose .highlight-line {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-style: italic;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.5;
}

/* Split layout */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.split__image {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}

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

.split__image--portrait img {
  object-position: center 20%;
}

.split__image::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--border);
  pointer-events: none;
}

/* Topic grid */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.topic-card {
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--border);
}

.topic-card h4 {
  color: var(--accent-blue);
  margin-bottom: 1rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.topic-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Audience list */
.audience-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem 2rem;
  justify-items: center;
  margin-top: 2.5rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.audience-list li {
  padding: 0;
  border: none;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--text-secondary);
  text-align: center;
  cursor: default;
}

.audience-list li::after {
  content: "";
  display: block;
  width: 1.5rem;
  height: 1px;
  background: var(--accent-gold);
  margin: 0.875rem auto 0;
  opacity: 0.45;
}

.audience-list li:nth-child(4) {
  grid-column: 2;
}

@media (max-width: 768px) {
  .audience-list {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1.5rem;
  }

  .audience-list li:nth-child(4) {
    grid-column: 1 / -1;
  }
}

/* CTA section */
.cta-section {
  text-align: center;
  position: relative;
}

.cta-section h2 {
  margin-bottom: 1.5rem;
}

.cta-section p {
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.55;
}

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

/* Status badge */
.status-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-gold);
  border: 1px solid rgba(196, 165, 116, 0.3);
  margin-top: 2rem;
}

/* Tag list */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.tag-list li {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.tag-list--center {
  justify-content: center;
}

.cta-spacer {
  margin-top: 3rem;
}

fieldset {
  border: none;
}

fieldset legend {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

/* Series blocks */
.series-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

.series-block h4 {
  margin-bottom: 1rem;
  color: var(--accent-warm);
}

.series-block p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Divider */
.divider {
  width: 48px;
  height: 1px;
  background: var(--accent-gold);
  margin: 0.75rem 0;
}

.divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* Forms
   ========================================================================== */

.form-group {
  margin-bottom: 1.75rem;
}

.form-group > label {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.625rem;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 0;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: rgba(122, 158, 200, 0.4);
  background: rgba(255, 255, 255, 0.05);
}

.form-control::placeholder {
  color: var(--text-muted);
}

textarea.form-control {
  min-height: 160px;
  resize: vertical;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23f5f3ef' fill-opacity='0.4' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 0.25rem;
}

.checkbox-label {
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: center;
  column-gap: 0.75rem;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
  line-height: 1.2;
  color: var(--text-secondary);
  cursor: pointer;
  text-transform: none;
  letter-spacing: normal;
}

.checkbox-label input[type="checkbox"] {
  appearance: none;
  width: 18px;
  height: 18px;
  margin: 0;
  border: 1px solid var(--border-light);
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked {
  background: rgba(122, 158, 200, 0.2);
  border-color: var(--accent-blue);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.contact-info p {
  color: var(--text-secondary);
  margin-top: 1.5rem;
}

.contact-info a {
  color: var(--accent-gold);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-color: rgba(196, 165, 116, 0.4);
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.contact-info a:hover {
  color: var(--accent-warm);
  text-decoration-color: var(--accent-gold);
}

.contact-info .brand-line {
  margin-top: 3rem;
  line-height: 0;
}

.contact-info .brand-line__logo {
  display: block;
  width: auto;
  height: auto;
  max-height: 1.5rem;
  max-width: min(100%, 10rem);
  object-fit: contain;
}

.contact-info .brand-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Collaboration grid */
.collab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.collab-item {
  padding: 2rem;
  border: 1px solid var(--border);
  text-align: center;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.collab-item:hover {
  border-color: var(--border-light);
  color: var(--text-primary);
}

/* Footer
   ========================================================================== */

.site-footer {
  padding: clamp(4rem, 8vw, 6rem) 0 2.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: start;
}

.footer-brand__logo {
  margin: 0 0 0.5rem;
  line-height: 0;
}

.footer-brand__logo-img {
  display: block;
  width: auto;
  height: auto;
  max-height: 1.5rem;
  max-width: min(100%, 10rem);
  object-fit: contain;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: italic;
}

.footer-nav {
  display: flex;
  gap: 2.5rem;
}

.footer-nav a {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

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

.footer-bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Scroll reveal
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-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; }

/* Section header */
.section-header {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-header--center {
  text-align: center;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 560px;
  margin-top: 1rem;
}

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

/* Thin line accent */
.line-accent {
  display: block;
  width: 1px;
  height: 64px;
  background: linear-gradient(to bottom, var(--accent-gold), transparent);
  margin-bottom: 2rem;
}

.line-accent--center {
  margin-left: auto;
  margin-right: auto;
}

/* Page content area */
.page-content {
  padding-top: calc(var(--header-height) + 2rem);
}

.content-block {
  margin-bottom: 4rem;
}

.content-block:last-child {
  margin-bottom: 0;
}

/* Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .innovation-grid {
    grid-template-columns: 1fr;
  }

  .innovation-card {
    min-height: 360px;
  }

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

  .split__image {
    aspect-ratio: 16 / 10;
    order: -1;
  }

  .split__image--portrait {
    aspect-ratio: auto;
    max-width: min(100%, 20rem);
    margin: 0 auto;
  }

  .split__image--portrait img {
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center;
  }

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

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

  .collab-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-nav {
    flex-wrap: wrap;
    gap: 1.25rem 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .container {
    padding-left: max(1.25rem, env(safe-area-inset-left, 0px));
    padding-right: max(1.25rem, env(safe-area-inset-right, 0px));
  }

  .section {
    padding: clamp(3rem, 8vw, 4.5rem) 0;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .menu-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    background: rgba(8, 8, 12, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: calc(var(--header-height) + env(safe-area-inset-top, 0px) + 1.5rem) 1.25rem calc(2rem + env(safe-area-inset-bottom, 0px));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition), visibility var(--transition);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .nav-list > li > a {
    font-size: 1rem;
    padding: 0.875rem 1rem;
    text-align: center;
  }

  .nav-list > li.has-submenu > a::after {
    display: none;
  }

  .submenu {
    position: static;
    left: auto;
    transform: none;
    min-width: 0;
    opacity: 1;
    visibility: visible;
    background: transparent;
    border: none;
    backdrop-filter: none;
    padding: 0 0 0.5rem;
    text-align: center;
    display: block;
  }

  .has-submenu:hover .submenu,
  .has-submenu.is-open .submenu {
    transform: none;
    left: auto;
  }

  .submenu a {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    color: var(--text-muted);
    text-align: center;
  }

  .hero--home {
    min-height: auto;
  }

  .hero__content {
    padding-top: 2.5rem;
    padding-bottom: 3rem;
  }

  .hero__logo {
    width: min(100%, 18rem);
  }

  .hero--page {
    min-height: clamp(16rem, 58vh, 24rem);
  }

  .hero--page .hero__content {
    padding-top: 2rem;
    padding-bottom: 2.25rem;
  }

  .hero--page + .section {
    padding-top: clamp(2.5rem, 6vw, 3.5rem);
  }

  .subtitle {
    margin-bottom: 1rem;
    letter-spacing: 0.14em;
  }

  .innovation-card {
    min-height: 280px;
  }

  .innovation-card__content {
    padding: 1.75rem;
  }

  .topic-card {
    padding: 1.75rem 1.5rem;
  }

  .glass-card {
    padding: 1.75rem;
  }

  .contact-layout {
    gap: 2.5rem;
  }

  .contact-info .brand-line {
    margin-top: 2rem;
  }

  .split__image--portrait {
    max-width: 100%;
  }

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

  .footer-nav {
    flex-direction: column;
    gap: 1rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

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

  .hero__actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-actions .btn {
    width: 100%;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .audience-list {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .audience-list li:nth-child(4) {
    grid-column: auto;
  }
}

@media (hover: none) {
  .glass-card--link:hover {
    transform: none;
  }

  .innovation-card:hover .innovation-card__image img {
    opacity: 0.5;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero--home .hero__bg img {
    animation: none;
    transform: none;
    filter: none;
  }

  .hero--home .hero__lamp {
    animation: none;
    opacity: 0;
  }

  html {
    scroll-behavior: auto;
  }
}