:root {
  --bg: #0a0a0f;
  --surface: #13131a;
  --surface-2: #1c1c26;
  --border: rgba(255, 255, 255, 0.07);
  --ink: #eeeaf6;
  --muted: #9290a8;
  --accent: #8b5cf6;
  --accent-bright: #a78bfa;
  --accent-glow: rgba(139, 92, 246, 0.18);
  --green: #34d399;
  --max-width: 1180px;
  --radius: 12px;

  /* Modular type scale — Golden Ratio ×1.618 */
  --text-xs:      max(0.8125rem, 0.618rem);
  --text-sm:      max(0.9375rem, 0.764rem);
  --text-base:    1rem;
  --text-md:      1.236rem;
  --text-lg:      1.618rem;
  --text-xl:      2.058rem;
  --text-2xl:     2.618rem;
  --text-3xl:     4.236rem;
  --text-display: 6.854rem;
  --leading-tight:  1.1;
  --leading-snug:   1.25;
  --leading-normal: 1.6;
  --leading-loose:  1.8;

  /* Fibonacci spacing (8px base) */
  --space-1: 8px;  --space-2: 13px; --space-3: 21px;
  --space-4: 34px; --space-5: 55px; --space-6: 89px; --space-7: 144px;

  /* Semantic status tokens */
  --success: #34d399; --success-bg: rgba(52,211,153,.12);
  --warning: #fbbf24; --warning-bg: rgba(251,191,36,.12);
  --error:   #f87171; --error-bg:   rgba(248,113,113,.12);

  /* Motion tokens (§14.1) */
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 500ms;
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce:  cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ========== TYPOGRAPHY ========== */
h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

em {
  font-style: normal;
  color: var(--accent-bright);
}

:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
  border-radius: var(--radius);
}
:focus:not(:focus-visible) { outline: none; }

/* Skip-nav (§9.5) */
.skip-nav {
  position: absolute;
  top: -100%;
  left: 24px;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.82rem;
  z-index: 9999;
  transition: top var(--duration-fast) var(--ease-default);
}
.skip-nav:focus { top: 12px; }

.section-label {
  font-family: "Space Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 1.5rem;
}

/* ========== REVEAL ANIMATION ========== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  transition-delay: var(--delay, 0ms);
}

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

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.2s, color 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
}
.btn:active {
  transform: translateY(0);
  transition-duration: 60ms;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-bright);
  box-shadow: 0 6px 28px rgba(139, 92, 246, 0.38);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
}

.btn-outline {
  background: transparent;
  color: var(--accent-bright);
  border: 1px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent-glow);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1rem;
}

/* ========== HEADER ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 40px;
  transition: background 0.4s, padding 0.35s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 16px 40px;
  border-bottom-color: var(--border);
}

.brand {
  font-family: "Space Mono", monospace;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
}

.brand span,
.brand em {
  color: var(--accent-bright);
  font-style: normal;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.2s;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.site-nav a:hover {
  color: var(--ink);
}

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: 8px;
  transition: background 0.2s, transform 0.15s !important;
}

.nav-cta:hover {
  background: var(--accent-bright) !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s, opacity 0.3s;
}

/* ========== MOBILE NAV DRAWER ========== */
.nav-drawer {
  display: none;
  flex-direction: column;
  gap: 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 190;
  background: var(--bg);
  padding: 100px 40px 40px;
  transform: translateX(100%);
  transition: transform 0.35s ease;
}

.nav-drawer.open {
  transform: translateX(0);
}

.nav-drawer a {
  color: var(--ink);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 700;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}

.nav-drawer a:hover {
  color: var(--accent-bright);
}

.nav-drawer-cta {
  color: var(--accent-bright) !important;
  margin-top: 12px;
  border-bottom: none !important;
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 40px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.14) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Space Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 2.5rem;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(3.5rem, 10vw, 8rem);
  line-height: 0.95;
  margin-bottom: 1.8rem;
  display: flex;
  flex-direction: column;
}

.hero-title .accent {
  color: var(--accent-bright);
  display: block;
}

.hero-sub {
  max-width: 540px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 4rem;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 40px;
  gap: 4px;
}

.stat-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--muted);
  animation: bounce 2s ease-in-out infinite;
}

.hero-scroll a {
  color: inherit;
}

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

/* ========== MARQUEE ========== */
.marquee-track {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  padding: 16px 0;
}

.marquee-inner {
  display: flex;
  gap: 32px;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
  font-family: "Space Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.marquee-inner .dot {
  color: var(--accent);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ========== SPEAKERS ========== */
.speakers {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 120px 40px;
}

.section-heading {
  margin-bottom: 60px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.speaker-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.speaker-card:hover {
  border-color: rgba(139, 92, 246, 0.4);
  transform: translateY(-4px);
}

.speaker-img-wrap {
  aspect-ratio: 1;
  overflow: hidden;
}

.speaker-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  filter: grayscale(30%);
}

.speaker-card:hover .speaker-img-wrap img {
  transform: scale(1.04);
  filter: grayscale(0%);
}

.speaker-info {
  padding: 20px 22px 22px;
}

.speaker-info h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.speaker-role {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.speaker-talk {
  font-size: 0.82rem;
  color: var(--accent-bright);
  font-style: italic;
}

.speakers-more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.speakers-more p {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ========== SCHEDULE ========== */
.schedule {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 120px 40px;
}

.schedule-header {
  max-width: var(--max-width);
  margin: 0 auto 48px;
}

.schedule-header h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.schedule-tabs {
  max-width: var(--max-width);
  margin: 0 auto 48px;
  display: flex;
  gap: 8px;
}

.tab-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 12px 24px;
  border-radius: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.tab-btn span {
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.7;
}

.tab-btn.active,
.tab-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--ink);
}

.schedule-day {
  display: none;
  flex-direction: column;
  gap: 2px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.schedule-day.active {
  display: flex;
}

.schedule-item {
  display: grid;
  grid-template-columns: 80px 1fr 80px;
  align-items: center;
  gap: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 28px;
  transition: border-color 0.2s;
}

.schedule-item:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

.schedule-item.keynote {
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.08) 0%, var(--bg) 100%);
  border-left: 3px solid var(--accent);
}

.schedule-item.break {
  opacity: 0.55;
}

.sched-time {
  font-family: "Space Mono", monospace;
  font-size: 0.82rem;
  color: var(--muted);
}

.sched-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.sched-speaker {
  font-size: 0.8rem;
  color: var(--muted);
}

.sched-track {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 100px;
  margin-bottom: 8px;
}

.track-keynote { background: rgba(139, 92, 246, 0.18); color: var(--accent-bright); }
.track-design  { background: rgba(59, 130, 246, 0.18); color: #93c5fd; }
.track-eng     { background: rgba(52, 211, 153, 0.16); color: #6ee7b7; }
.track-product { background: rgba(251, 191, 36, 0.16); color: #fde68a; }
.track-ethics  { background: rgba(244, 114, 182, 0.16); color: #fbcfe8; }
.track-break   { background: rgba(255, 255, 255, 0.06); color: var(--muted); }

.sched-duration {
  text-align: right;
  font-family: "Space Mono", monospace;
  font-size: 0.72rem;
  color: var(--muted);
}

/* ========== VENUE ========== */
.venue {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 120px 40px;
}

.venue-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.venue-text h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 20px;
}

.venue-text p {
  color: var(--muted);
  margin-bottom: 28px;
  line-height: 1.8;
}

.venue-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.venue-details li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--muted);
}

.venue-details li svg {
  color: var(--accent-bright);
  flex-shrink: 0;
}

.venue-map {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.map-placeholder {
  background: var(--surface);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
}

.map-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.map-pin {
  filter: drop-shadow(0 4px 16px rgba(139, 92, 246, 0.4));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.map-label {
  font-size: 0.82rem;
  color: var(--muted);
  font-family: "Space Mono", monospace;
}

/* ========== TICKETS ========== */
.tickets {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 120px 40px;
}

.tickets-heading {
  max-width: var(--max-width);
  margin: 0 auto 60px;
}

.tickets-heading h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 12px;
}

.tickets-sub {
  color: var(--muted);
}

.tickets-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.ticket-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}

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

.ticket-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.1) 0%, var(--bg) 60%);
}

.ticket-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.ticket-tier {
  font-family: "Space Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
}

.ticket-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.price-amount {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.price-period {
  color: var(--muted);
  font-size: 0.88rem;
}

.ticket-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.ticket-features li {
  font-size: 0.88rem;
  color: var(--muted);
  padding-left: 18px;
  position: relative;
}

.ticket-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 0.75rem;
}

.ticket-btn {
  text-align: center;
  justify-content: center;
}

.tickets-note {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.tickets-note a {
  color: var(--accent-bright);
  text-decoration: none;
}

.tickets-note a:hover {
  text-decoration: underline;
}

/* ========== CTA BANNER ========== */
.cta-banner {
  padding: 120px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(139, 92, 246, 0.12) 0%, transparent 65%);
  pointer-events: none;
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}

.cta-eyebrow {
  font-family: "Space Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1.5rem;
}

.cta-inner h2 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  margin-bottom: 1rem;
}

.cta-sub {
  color: var(--muted);
  margin-bottom: 2.5rem;
}

/* ========== FOOTER ========== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 0 40px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 48px 0;
  flex-wrap: wrap;
}

.footer-brand p {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 6px;
}

.footer-nav {
  display: flex;
  gap: 28px;
}

.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.84rem;
  transition: color 0.2s;
}

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

.footer-social {
  display: flex;
  gap: 20px;
}

.footer-social a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.84rem;
  transition: color 0.2s;
}

.footer-social a:hover {
  color: var(--accent-bright);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--muted);
}

.footer-bottom a {
  color: var(--muted);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--ink);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .speakers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tickets-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
  }

  .venue-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 18px 20px;
  }

  .site-header.scrolled {
    padding: 14px 20px;
  }

  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-drawer {
    display: flex;
  }

  .hero {
    padding: 120px 20px 70px;
  }

  .hero-stats {
    flex-wrap: wrap;
    width: 100%;
  }

  .stat {
    flex: 1 0 40%;
    padding: 16px 20px;
  }

  .stat-divider {
    display: none;
  }

  .speakers {
    padding: 80px 20px;
  }

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

  .speakers-more {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .schedule {
    padding: 80px 20px;
  }

  .schedule-tabs {
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .schedule-item {
    grid-template-columns: 60px 1fr;
    grid-template-rows: auto auto;
    padding: 16px 18px;
  }

  .sched-duration {
    grid-column: 2;
    text-align: left;
  }

  .venue {
    padding: 80px 20px;
  }

  .tickets {
    padding: 80px 20px;
  }

  .tickets-grid {
    max-width: 100%;
  }

  .cta-banner {
    padding: 80px 20px;
  }

  .site-footer {
    padding: 0 20px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
    padding: 40px 0;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* ============================================================
   LIGHT MODE (§14.3 — respect OS colour preference)
   ============================================================ */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f1fb;
    --surface: #ffffff;
    --surface-2: #f3eefc;
    --border: rgba(41, 33, 64, 0.12);
    --ink: #1e1730;
    --muted: #5f5678;
    --accent: #6e42d6;
    --accent-bright: #7b56d9;
    --accent-glow: rgba(110, 66, 214, 0.16);
    --green: #0f9f6e;
  }

  .site-header.scrolled {
    background: rgba(244, 241, 251, 0.92);
  }

  .nav-drawer {
    background: #f4f1fb;
  }

  .btn-ghost:hover {
    border-color: rgba(30, 23, 48, 0.22);
    background: rgba(30, 23, 48, 0.05);
  }
}

/* ============================================================
   REDUCED MOTION (§9.7 — respect vestibular/motion sensitivity)
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}