/* ── Mushu miuse — Suno-inspired design system ── */
:root {
  --studio-black: #101012;
  --deep-anvil: #17171a;
  --surface: #1a1a1d;
  --surface-elevated: #222226;
  --surface-translucent: rgba(38, 38, 43, 0.6);
  --pure-ink: #000000;
  --warm-cream: #f7f4ef;
  --bone: #ffffff;
  --smoke: #c2c2c1;
  --ink-tertiary: #a3a3a3;
  --ink-inactive: #6a6a72;
  --primary: #7251f7;
  --primary-hover: #8b6efe;
  --primary-soft: #9e86ff;
  --accent-coral: #fd429c;
  --accent-orange: #ff6a00;
  --accent-green: #02d95c;
  --border: #38383e;
  --border-strong: #56565e;
  --success: #02d95c;
  --warning: #ffb347;

  --bg: var(--studio-black);
  --text: var(--warm-cream);
  --text-muted: var(--smoke);
  --accent: var(--primary);
  --accent-glow: rgba(114, 81, 247, 0.35);

  --radius: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --font: 'DM Sans', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width: 1200px;
  --max-width-narrow: 720px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 0.18s;
  --duration-normal: 0.35s;
  --duration-slow: 0.6s;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── Quantum collision canvas (behind dusk wash) ── */
.quantum-collision-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

/* ── Atmospheric background ── */
.bg-dusk-wash {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 30% 15%, rgba(212, 98, 42, 0.22) 0%, transparent 55%),
    radial-gradient(ellipse 70% 60% at 75% 25%, rgba(138, 42, 58, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 80%, rgba(114, 81, 247, 0.08) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  animation: bgDrift 18s ease-in-out infinite alternate;
}

@keyframes bgDrift {
  0% { opacity: 1; transform: scale(1) translate(0, 0); }
  50% { opacity: 0.92; transform: scale(1.03) translate(1%, -0.5%); }
  100% { opacity: 1; transform: scale(1.02) translate(-0.5%, 0.5%); }
}

/* ── Page load animations ── */
.page-loading .animate-in {
  opacity: 0;
  transform: translateY(16px);
}

.animate-in {
  animation: pageFadeIn var(--duration-slow) var(--ease-out) forwards;
  animation-delay: var(--delay, 0ms);
}

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

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
  transition-delay: var(--stagger, 0ms);
}

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

.reveal-slide-up {
  transform: translateY(40px);
}

.reveal-slide-up.is-visible {
  transform: translateY(0);
}

.stagger-1 { --stagger: 0ms; }
.stagger-2 { --stagger: 60ms; }
.stagger-3 { --stagger: 120ms; }
.stagger-4 { --stagger: 180ms; }
.stagger-5 { --stagger: 240ms; }
.stagger-6 { --stagger: 300ms; }

/* ── Layout containers ── */
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* ── Header (Suno-style horizontal bar) ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 100%;
  margin: 0 auto;
  padding: 0.85rem clamp(1rem, 3vw, 1.5rem);
  background: rgba(16, 16, 18, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(56, 56, 62, 0.35);
  flex-wrap: nowrap;
  transition:
    background var(--duration-normal) var(--ease-out),
    backdrop-filter var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(16, 16, 18, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: rgba(56, 56, 62, 0.6);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.site-header > .logo,
.site-header > .header-nav,
.site-header > .header-cta {
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  display: block;
  height: 1.75rem;
  width: auto;
  max-width: min(180px, 60vw);
  transition: opacity var(--duration-fast);
}

.logo:hover .logo-img { opacity: 0.85; }

.header-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  flex: 1;
  min-width: 0;
}

.header-cta {
  margin-left: auto;
}

.header-nav a:not(.btn),
.site-header nav a:not(.btn):not(.logo) {
  color: var(--smoke);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color var(--duration-fast);
}

.nav-link {
  position: relative;
  color: var(--smoke);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color var(--duration-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-soft), var(--accent-coral));
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--duration-normal) var(--ease-out);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

.nav-link:link,
.nav-link:visited,
.header-nav a:not(.btn):link,
.header-nav a:not(.btn):visited,
.site-header nav a:not(.btn):not(.logo):link,
.site-header nav a:not(.btn):not(.logo):visited {
  color: var(--smoke);
  text-decoration: none;
}

.nav-link:hover,
.nav-link:focus-visible,
.header-nav a:not(.btn):hover,
.header-nav a:not(.btn):focus-visible,
.site-header nav a:not(.btn):not(.logo):hover,
.site-header nav a:not(.btn):not(.logo):focus-visible {
  color: var(--bone);
  text-decoration: none;
}

.nav-link[aria-current="page"],
.header-nav a[aria-current="page"] {
  color: var(--warm-cream);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--smoke);
  border-radius: 1px;
  transition: background var(--duration-fast);
}

.nav-toggle:hover span { background: var(--bone); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 1.5rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--deep-anvil);
}

.mobile-nav .nav-link { font-size: 1rem; padding: 0.35rem 0; }

.mobile-nav.is-open { display: flex; }

/* ── Hero ── */
.hero-section {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: clamp(5rem, 12vw, 7.5rem) 1.5rem clamp(3.5rem, 8vw, 5.5rem);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: min(820px, 95%);
  height: min(480px, 75%);
  background: radial-gradient(ellipse at center, rgba(114, 81, 247, 0.16) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
  animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero-section::after {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: min(900px, 120vw);
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(255, 106, 0, 0.08) 0%, transparent 65%);
  pointer-events: none;
  z-index: -2;
  animation: heroGlowWarm 10s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  from { opacity: 0.75; transform: scale(1); }
  to { opacity: 1; transform: scale(1.05); }
}

@keyframes heroGlowWarm {
  from { opacity: 0.5; }
  to { opacity: 0.85; }
}

.hero-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-loading .hero-stagger {
  opacity: 0;
  transform: translateY(20px);
}

.hero-stagger {
  animation: heroStaggerIn var(--duration-slow) var(--ease-out) forwards;
  animation-delay: var(--delay, 0ms);
}

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

.hero-title {
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.035em;
  color: var(--warm-cream);
  margin-bottom: 1.5rem;
  max-width: 16ch;
}

.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  font-weight: 400;
  color: var(--smoke);
  max-width: 580px;
  margin: 0 auto 0.85rem;
  line-height: 1.7;
  letter-spacing: -0.01em;
}

.hero-sub--accent {
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  color: var(--primary-soft);
  margin-bottom: 1rem;
  max-width: 520px;
}

/* Hero adaptive listening block */
.hero-adaptive {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  max-width: 640px;
  margin: 0.75rem auto 2.25rem;
  padding: 1.5rem 1.75rem;
  text-align: center;
  background: rgba(26, 26, 29, 0.4);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(114, 81, 247, 0.12);
  border-radius: var(--radius-lg);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.adaptive-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  background: rgba(114, 81, 247, 0.06);
  border: 1px solid rgba(114, 81, 247, 0.32);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  color: var(--primary-soft);
  animation: badgeTextShimmer 5s ease-in-out infinite;
}

.adaptive-badge--lg {
  font-size: 0.72rem;
  padding: 0.5rem 1.25rem;
  margin-bottom: 0.25rem;
}

@keyframes badgeTextShimmer {
  0%, 100% { color: var(--primary-soft); }
  50% { color: #cbb8ff; }
}

.hero-adaptive-copy {
  font-size: clamp(0.92rem, 1.9vw, 1.02rem);
  font-weight: 400;
  color: #c2c2c1;
  line-height: 1.7;
  max-width: 540px;
  margin: 0;
  letter-spacing: -0.01em;
}

.hero-adaptive-tagline {
  font-size: clamp(0.88rem, 1.8vw, 0.98rem);
  font-weight: 500;
  margin: 0;
  letter-spacing: 0.01em;
  background: linear-gradient(135deg, var(--warm-cream) 0%, var(--primary-soft) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary-soft);
  margin-bottom: 1.25rem;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(114, 81, 247, 0.3);
  border-radius: var(--radius-full);
  background: rgba(114, 81, 247, 0.08);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.85rem 1rem;
  margin-bottom: 2.75rem;
}

.hero-actions .btn-primary,
.hero-actions .btn-ghost {
  width: auto;
  min-width: 0;
}

.btn-ghost {
  background: transparent;
  color: var(--warm-cream);
  border: 1px solid var(--border-strong);
  width: auto;
  box-shadow: none;
}

.btn-ghost:not(:disabled):hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--smoke);
  box-shadow: none;
}

/* Stats strip */
.stats-strip {
  display: inline-flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem 0.85rem;
  background: rgba(26, 26, 29, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 0.75rem 1.35rem;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}

.stats-strip::-webkit-scrollbar { display: none; }

.stat-item {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-tertiary);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.stat-item strong {
  font-weight: 700;
  color: var(--warm-cream);
  letter-spacing: -0.02em;
}

.stat-item--price strong {
  color: var(--accent-green);
}

.stat-item--price .currency-yen {
  position: relative;
  display: inline-block;
}

.stat-item--price .currency-yen::after {
  content: '';
  position: absolute;
  inset: -2px -4px;
  background: linear-gradient(
    105deg,
    transparent 35%,
    rgba(2, 217, 92, 0.35) 50%,
    transparent 65%
  );
  background-size: 200% 100%;
  animation: priceShimmer 3s ease-in-out infinite;
  border-radius: 4px;
  pointer-events: none;
}

@keyframes priceShimmer {
  0%, 100% { background-position: 200% 0; opacity: 0; }
  50% { background-position: -200% 0; opacity: 1; }
}

/* Stats strip scroll reveal */
.stats-reveal {
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.stats-reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.stats-reveal.is-visible .stat-item {
  animation: statFadeIn 0.5s var(--ease-out) forwards;
  opacity: 0;
}

.stats-reveal.is-visible .stat-item:nth-child(1) { animation-delay: 0ms; }
.stats-reveal.is-visible .stat-item:nth-child(3) { animation-delay: 80ms; }
.stats-reveal.is-visible .stat-item:nth-child(5) { animation-delay: 160ms; }
.stats-reveal.is-visible .stat-item:nth-child(7) { animation-delay: 240ms; }

@keyframes statFadeIn {
  to { opacity: 1; }
}

.stat-sep {
  color: var(--border-strong);
  font-size: 0.9rem;
  line-height: 1;
  user-select: none;
  flex-shrink: 0;
}

.currency-yen {
  font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-feature-settings: 'tnum' 1;
}

/* Trust strip */
.trust-strip {
  position: relative;
  z-index: 1;
  padding: 1.5rem 0 2.5rem;
  border-bottom: 1px solid rgba(56, 56, 62, 0.4);
}

.trust-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-inactive);
  margin-bottom: 1rem;
}

.trust-items {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem 1.25rem;
}

.trust-item {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--smoke);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(56, 56, 62, 0.6);
}

.trust-item--badge {
  color: var(--primary-soft);
  border-color: rgba(114, 81, 247, 0.35);
  background: rgba(114, 81, 247, 0.08);
  font-weight: 600;
}

/* By the numbers brag strip */
.numbers-brag-section {
  position: relative;
  z-index: 1;
  padding: 3.5rem 0;
  border-top: 1px solid rgba(56, 56, 62, 0.4);
  border-bottom: 1px solid rgba(56, 56, 62, 0.4);
  background: rgba(26, 26, 29, 0.5);
}

.numbers-brag-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.numbers-brag-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.numbers-brag-num {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--warm-cream);
  background: linear-gradient(135deg, var(--warm-cream) 0%, var(--primary-soft) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.numbers-brag-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Comparison flex */
.comparison-section {
  position: relative;
  z-index: 1;
  padding: 4rem 0;
  text-align: center;
}

.comparison-quote {
  margin: 0;
  padding: 0;
  border: none;
}

.comparison-quote p {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.35;
  color: var(--warm-cream);
  font-style: italic;
}

.comparison-quote p::before {
  content: '\201C';
  color: var(--primary-soft);
  font-style: normal;
}

.comparison-quote p::after {
  content: '\201D';
  color: var(--primary-soft);
  font-style: normal;
}

/* Section eyebrow */
.section-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-soft);
  margin-bottom: 0.85rem;
}

.section-eyebrow--center {
  display: block;
  text-align: center;
}

.highlight-section .section-eyebrow {
  display: block;
  text-align: center;
  margin-bottom: 1rem;
}

/* ── Section headers ── */
.section-header { margin-bottom: 2rem; }

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--warm-cream);
  margin-bottom: 0.65rem;
}

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

.section-desc {
  color: var(--smoke);
  font-size: 1rem;
  line-height: 1.65;
  letter-spacing: -0.01em;
}

.section-desc--center {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.section-desc--accent {
  margin-top: 1rem;
  color: var(--primary-soft);
  max-width: 600px;
}

.section-desc--hint {
  margin-top: 0.75rem;
  font-size: 0.925rem;
  color: var(--primary-soft);
  font-style: italic;
  max-width: 640px;
}

/* ── Sections spacing ── */
.create-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
}

.highlight-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
  text-align: center;
}

/* ── Adaptive Quantum Listening banner ── */
.adaptive-banner-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
  text-align: center;
  background:
    radial-gradient(ellipse 70% 60% at 50% 40%, rgba(114, 81, 247, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(158, 134, 255, 0.05) 0%, transparent 60%);
}

.adaptive-banner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2.5rem 2rem;
  background: rgba(26, 26, 29, 0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(114, 81, 247, 0.12);
  border-radius: var(--radius-lg);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.adaptive-banner-card .section-title {
  margin-top: 0.5rem;
}

.adaptive-banner-tagline {
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0.25rem auto 1rem;
  max-width: 480px;
  background: linear-gradient(135deg, var(--warm-cream) 0%, var(--primary-soft) 60%, #cbb8ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.adaptive-banner-desc {
  max-width: 620px;
  line-height: 1.75;
}

.adaptive-banner-pills {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  margin: 1.75rem auto 0;
  padding: 0;
  max-width: 520px;
}

.adaptive-banner-pills li {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-soft);
  padding: 0.4rem 0.95rem;
  border: 1px solid rgba(114, 81, 247, 0.28);
  border-radius: var(--radius-full);
  background: rgba(114, 81, 247, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.features-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
}

.how-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
}

.about-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
}

.cta-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0 6rem;
  text-align: center;
}

.cta-inner .btn-hero { margin-top: 1.75rem; }

.cta-inner .btn-primary {
  width: auto;
  min-width: 180px;
}

/* ── Quantum Music Technology section ── */
.quantum-section {
  position: relative;
  z-index: 1;
  padding: 6rem 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(114, 81, 247, 0.12) 0%, transparent 60%),
    linear-gradient(180deg, rgba(26, 26, 29, 0.6) 0%, transparent 30%, rgba(26, 26, 29, 0.4) 100%);
  border-top: 1px solid rgba(114, 81, 247, 0.15);
  border-bottom: 1px solid rgba(114, 81, 247, 0.15);
  overflow: hidden;
}

.quantum-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle 2px at 15% 25%, rgba(158, 134, 255, 0.4) 0%, transparent 100%),
    radial-gradient(circle 1.5px at 75% 15%, rgba(253, 66, 156, 0.3) 0%, transparent 100%),
    radial-gradient(circle 2px at 45% 70%, rgba(114, 81, 247, 0.35) 0%, transparent 100%),
    radial-gradient(circle 1px at 85% 55%, rgba(255, 106, 0, 0.25) 0%, transparent 100%),
    radial-gradient(circle 1.5px at 25% 85%, rgba(158, 134, 255, 0.3) 0%, transparent 100%),
    radial-gradient(circle 1px at 60% 40%, rgba(253, 66, 156, 0.2) 0%, transparent 100%);
  background-size: 100% 100%;
  animation: quantumParticleDrift 25s linear infinite;
  pointer-events: none;
  opacity: 0.5;
}

@keyframes quantumParticleDrift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(12px, -8px); }
  50% { transform: translate(-6px, 14px); }
  75% { transform: translate(8px, 6px); }
  100% { transform: translate(0, 0); }
}

.quantum-hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}

.quantum-headline {
  font-size: clamp(2rem, 5vw, 3rem);
  background: linear-gradient(135deg, var(--warm-cream) 0%, var(--primary-soft) 60%, var(--accent-coral) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.quantum-lead {
  font-size: 1.05rem;
  line-height: 1.75;
  margin-top: 0.5rem;
}

.quantum-hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  background: var(--surface);
  border: 1px solid rgba(114, 81, 247, 0.25);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 0 60px rgba(114, 81, 247, 0.08);
}

.quantum-orb--large {
  width: 180px;
  height: 180px;
}

.quantum-orb--large .orb-core {
  width: 32px;
  height: 32px;
  animation:
    orbPulseLarge 2.5s ease-in-out infinite,
    orbCoreGradient 5s ease-in-out infinite alternate;
}

.quantum-orb--large .orb-ring--1 { width: 75px; height: 75px; animation-duration: 6s; }
.quantum-orb--large .orb-ring--2 { width: 120px; height: 120px; animation-duration: 10s; }
.quantum-orb--large .orb-ring--3 { width: 165px; height: 165px; animation-duration: 14s; }

.orb-ring--4 {
  width: 180px;
  height: 180px;
  animation: orbSpin 18s linear infinite reverse;
  border-color: rgba(255, 106, 0, 0.15);
}

/* Orbital particle tracks */
.orb-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.orb-orbit--1 {
  width: 75px;
  height: 75px;
  animation: orbSpin 5s linear infinite;
}

.orb-orbit--2 {
  width: 120px;
  height: 120px;
  animation: orbSpin 8s linear infinite reverse;
}

.orb-orbit--3 {
  width: 165px;
  height: 165px;
  animation: orbSpin 11s linear infinite;
}

.orb-orbit--4 {
  width: 180px;
  height: 180px;
  animation: orbSpin 14s linear infinite reverse;
}

.orb-orbit--reverse {
  animation-direction: reverse;
}

.orb-orbit .orb-particle {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-soft);
  box-shadow: 0 0 10px var(--accent-glow), 0 0 20px rgba(114, 81, 247, 0.4);
}

.orb-particle--coral {
  background: var(--accent-coral);
  box-shadow: 0 0 10px rgba(253, 66, 156, 0.5), 0 0 18px rgba(253, 66, 156, 0.3);
}

.orb-particle--orange {
  background: var(--accent-orange);
  width: 5px;
  height: 5px;
  box-shadow: 0 0 8px rgba(255, 106, 0, 0.5);
}

.orb-particle--small {
  width: 4px;
  height: 4px;
  background: var(--bone);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}

.orb-particle--soft {
  width: 5px;
  height: 5px;
  background: var(--primary-soft);
  opacity: 0.85;
}

.quantum-subsections {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 4rem;
}

.quantum-subsection {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: border-color var(--duration-normal);
}

.quantum-subsection:hover {
  border-color: rgba(114, 81, 247, 0.35);
}

.quantum-subsection-title {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--warm-cream);
  margin-bottom: 1rem;
}

.quantum-subsection-text {
  font-size: 0.875rem;
  color: var(--smoke);
  line-height: 1.7;
  margin-bottom: 0.85rem;
}

.quantum-subsection-text:last-child { margin-bottom: 0; }

.adaptive-playback-block {
  margin-bottom: 4rem;
  background: linear-gradient(145deg, rgba(253, 66, 156, 0.08) 0%, rgba(114, 81, 247, 0.1) 50%, var(--surface) 100%);
  border: 1px solid rgba(253, 66, 156, 0.25);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.25rem;
  position: relative;
  overflow: hidden;
}

.adaptive-playback-block::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(253, 66, 156, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.adaptive-playback-content {
  position: relative;
  z-index: 1;
}

.adaptive-playback-title {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--warm-cream);
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--warm-cream) 0%, var(--accent-coral) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.adaptive-playback-lead {
  font-size: 0.95rem;
  color: var(--smoke);
  line-height: 1.75;
  margin-bottom: 1.75rem;
  max-width: 900px;
}

.adaptive-playback-bullets {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding: 0;
  margin: 0;
}

.adaptive-playback-bullets li {
  background: rgba(16, 16, 18, 0.5);
  border: 1px solid rgba(114, 81, 247, 0.25);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.15rem;
}

.adaptive-playback-bullets li strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--warm-cream);
  margin-bottom: 0.4rem;
}

.adaptive-playback-bullets li span {
  display: block;
  font-size: 0.825rem;
  color: var(--smoke);
  line-height: 1.65;
}

.quantum-orb-stat {
  margin-top: 0.65rem;
  font-family: ui-monospace, 'Cascadia Code', 'Segoe UI Mono', monospace;
  font-size: 0.68rem;
  font-variant: small-caps;
  letter-spacing: 0.06em;
  color: var(--ink-tertiary);
  text-align: center;
  opacity: 0.85;
}

.quantum-architecture-spec {
  margin-bottom: 3.5rem;
  border: 1px solid rgba(114, 81, 247, 0.2);
  border-radius: var(--radius-lg);
  background: rgba(16, 16, 18, 0.75);
  overflow: hidden;
}

.quantum-architecture-spec-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.5rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 0.2s ease;
}

.quantum-architecture-spec-toggle::-webkit-details-marker { display: none; }

.quantum-architecture-spec-toggle::marker { display: none; content: ''; }

.quantum-architecture-spec-toggle:hover {
  background: rgba(114, 81, 247, 0.06);
}

.quantum-architecture-spec-toggle-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-secondary);
}

.quantum-architecture-spec-chevron {
  flex-shrink: 0;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 1.5px solid var(--primary-soft);
  border-bottom: 1.5px solid var(--primary-soft);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
  opacity: 0.7;
}

.quantum-architecture-spec[open] .quantum-architecture-spec-chevron {
  transform: rotate(-135deg);
  margin-top: 0.25rem;
}

.quantum-architecture-spec-body {
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid rgba(114, 81, 247, 0.12);
}

.quantum-architecture-spec-eyebrow {
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.quantum-architecture-spec-title {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--warm-cream);
  margin-bottom: 1.25rem;
}

.quantum-architecture-spec-text {
  font-family: ui-monospace, 'Cascadia Code', 'Segoe UI Mono', monospace;
  font-size: 0.72rem;
  font-variant: small-caps;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--ink-tertiary);
  margin: 0;
  padding: 1.25rem 1.35rem;
  border: 1px solid rgba(114, 81, 247, 0.15);
  border-radius: var(--radius-md);
  background: rgba(10, 10, 12, 0.6);
}

.quantum-architecture-spec-disclaimer {
  margin: 1rem 0 0;
  font-size: 0.68rem;
  font-style: italic;
  color: var(--ink-tertiary);
  opacity: 0.65;
}

.quantum-capabilities {
  margin-bottom: 4rem;
}

.quantum-capabilities-title {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--warm-cream);
  text-align: center;
  margin-bottom: 2rem;
}

.quantum-bullet-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.quantum-bullet-grid li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.35rem;
  transition:
    border-color var(--duration-normal),
    transform var(--duration-normal) var(--ease-out);
}

.quantum-bullet-grid li:hover {
  border-color: rgba(114, 81, 247, 0.4);
  transform: translateY(-2px);
}

.quantum-bullet-grid li:hover .quantum-bullet-icon {
  animation: iconPulse 0.6s var(--ease-out);
}

@keyframes iconPulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.25); opacity: 1; filter: drop-shadow(0 0 8px var(--accent-glow)); }
}

.quantum-bullet-icon {
  display: block;
  font-size: 1.15rem;
  color: var(--primary-soft);
  margin-bottom: 0.65rem;
}

.quantum-bullet-grid strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--warm-cream);
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.quantum-bullet-grid li > span:last-child {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-tertiary);
  line-height: 1.6;
}

.quantum-comparison {
  padding-top: 1rem;
}

.quantum-comparison-title {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--warm-cream);
  text-align: center;
  margin-bottom: 2rem;
}

.quantum-comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.quantum-comparison-col {
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
}

.quantum-comparison-col h4 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
}

.quantum-comparison-col ul {
  list-style: none;
}

.quantum-comparison-col li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  color: var(--smoke);
  line-height: 1.55;
  border-radius: 6px;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
  padding-right: 0.5rem;
  transition:
    background var(--duration-fast),
    color var(--duration-fast),
    transform var(--duration-fast) var(--ease-out);
}

.quantum-comparison-col li:hover {
  background: rgba(255, 255, 255, 0.04);
  transform: translateX(4px);
}

.quantum-comparison-col--quantum li:hover {
  background: rgba(114, 81, 247, 0.1);
  color: var(--warm-cream);
}

.quantum-comparison-col--traditional {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
}

.quantum-comparison-col--traditional h4 { color: var(--ink-tertiary); }

.quantum-comparison-col--traditional li::before {
  content: '×';
  position: absolute;
  left: 0;
  color: var(--ink-inactive);
  font-weight: 600;
}

.quantum-comparison-col--quantum {
  background: linear-gradient(145deg, rgba(114, 81, 247, 0.12) 0%, var(--surface) 100%);
  border: 1px solid rgba(114, 81, 247, 0.35);
}

.quantum-comparison-col--quantum h4 { color: var(--primary-soft); }

.quantum-comparison-col--quantum li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-soft);
  font-weight: 600;
}

/* ── Technology showcase ── */
.technology-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
}

.tech-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}

.tech-showcase:last-child { margin-bottom: 0; }

.tech-showcase--reverse .tech-content { order: 2; }
.tech-showcase--reverse .tech-visual { order: 1; }

.tech-list {
  list-style: none;
  margin-top: 1.25rem;
}

.tech-list li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.65rem;
  font-size: 0.9rem;
  color: var(--smoke);
  line-height: 1.55;
}

.tech-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--accent-glow);
}

.tech-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.tech-visual-label {
  margin-top: 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
}

.tech-visual-label--glow {
  position: relative;
  color: var(--primary-soft);
  animation: labelGlowPulse 3s ease-in-out infinite;
  overflow: hidden;
}

.tech-visual-label--glow::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(158, 134, 255, 0.35),
    transparent
  );
  animation: labelScanLine 4s ease-in-out infinite;
}

@keyframes labelGlowPulse {
  0%, 100% {
    text-shadow: 0 0 8px rgba(114, 81, 247, 0.3);
    opacity: 0.85;
  }
  50% {
    text-shadow: 0 0 16px rgba(114, 81, 247, 0.55), 0 0 24px rgba(253, 66, 156, 0.2);
    opacity: 1;
  }
}

@keyframes labelScanLine {
  0%, 100% { left: -100%; opacity: 0; }
  40%, 60% { opacity: 1; }
  100% { left: 150%; opacity: 0; }
}

/* Quantum orb animation */
.quantum-orb {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orb-core {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-coral));
  background-size: 200% 200%;
  box-shadow:
    0 0 30px var(--accent-glow),
    0 0 60px rgba(253, 66, 156, 0.2),
    0 0 90px rgba(114, 81, 247, 0.15);
  animation:
    orbPulse 3s ease-in-out infinite,
    orbCoreGradient 6s ease-in-out infinite alternate;
}

@keyframes orbPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow:
      0 0 30px var(--accent-glow),
      0 0 60px rgba(253, 66, 156, 0.2);
  }
  50% {
    transform: scale(1.18);
    box-shadow:
      0 0 45px var(--accent-glow),
      0 0 80px rgba(253, 66, 156, 0.35),
      0 0 100px rgba(114, 81, 247, 0.2);
  }
}

@keyframes orbPulseLarge {
  0%, 100% {
    transform: scale(1);
    box-shadow:
      0 0 40px var(--accent-glow),
      0 0 80px rgba(253, 66, 156, 0.25);
  }
  50% {
    transform: scale(1.2);
    box-shadow:
      0 0 55px var(--accent-glow),
      0 0 100px rgba(253, 66, 156, 0.4),
      0 0 120px rgba(114, 81, 247, 0.25);
  }
}

@keyframes orbCoreGradient {
  0% { background-position: 0% 50%; filter: hue-rotate(0deg); }
  100% { background-position: 100% 50%; filter: hue-rotate(15deg); }
}

.orb-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(114, 81, 247, 0.35);
}

.orb-ring--1 {
  width: 60px;
  height: 60px;
  animation: orbSpin 8s linear infinite;
}

.orb-ring--2 {
  width: 95px;
  height: 95px;
  animation: orbSpin 12s linear infinite reverse;
  border-color: rgba(253, 66, 156, 0.25);
}

.orb-ring--3 {
  width: 130px;
  height: 130px;
  animation: orbSpin 16s linear infinite;
  border-color: rgba(158, 134, 255, 0.2);
}

@keyframes orbSpin {
  to { transform: rotate(360deg); }
}

/* Engine grid visual */
.engine-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 120px;
}

.engine-node {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--deep-anvil);
  border: 1px solid var(--border);
  transition: all 0.4s ease;
}

.engine-node--active {
  background: rgba(114, 81, 247, 0.25);
  border-color: var(--primary);
  box-shadow: 0 0 12px var(--accent-glow);
  animation: nodePulse 2s ease-in-out infinite;
}

.engine-node--active:nth-child(3) { animation-delay: 0.3s; }
.engine-node--active:nth-child(5) { animation-delay: 0.6s; }
.engine-node--active:nth-child(7) { animation-delay: 0.9s; }

@keyframes nodePulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* ── Feature icons ── */
.feature-icon {
  display: block;
  font-size: 1.25rem;
  color: var(--primary-soft);
  margin-bottom: 0.75rem;
  opacity: 0.9;
}

.feature-card--highlight {
  background: linear-gradient(145deg, rgba(114, 81, 247, 0.12) 0%, var(--surface) 60%);
  border-color: rgba(114, 81, 247, 0.35);
}

.feature-card--highlight:hover {
  border-color: rgba(114, 81, 247, 0.55);
  background: linear-gradient(145deg, rgba(114, 81, 247, 0.18) 0%, var(--surface-elevated) 60%);
}

.feature-card--adaptive {
  background: linear-gradient(145deg, rgba(253, 66, 156, 0.1) 0%, rgba(114, 81, 247, 0.12) 40%, var(--surface) 70%);
  border-color: rgba(253, 66, 156, 0.35);
  grid-column: 1 / -1;
}

.feature-card--adaptive:hover {
  border-color: rgba(253, 66, 156, 0.55);
  background: linear-gradient(145deg, rgba(253, 66, 156, 0.15) 0%, rgba(114, 81, 247, 0.18) 40%, var(--surface-elevated) 70%);
}

.feature-card--adaptive .feature-icon {
  color: var(--accent-coral);
}

/* ── Use cases ── */
.use-cases-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
  background: linear-gradient(180deg, transparent 0%, rgba(114, 81, 247, 0.04) 50%, transparent 100%);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.use-case-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition:
    border-color var(--duration-normal),
    transform var(--duration-normal) var(--ease-out);
}

.use-case-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.use-case-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--warm-cream);
  margin-bottom: 0.65rem;
}

.use-case-card p {
  font-size: 0.875rem;
  color: var(--smoke);
  line-height: 1.65;
}

/* ── Why section ── */
.why-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
}

.why-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.why-list {
  list-style: none;
  margin: 1.5rem 0 2rem;
}

.why-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  color: var(--smoke);
  line-height: 1.55;
}

.why-list-detail {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.84rem;
  color: var(--ink-tertiary);
  line-height: 1.65;
}

.why-subsection {
  margin-bottom: 1.75rem;
  padding: 1.25rem 1.35rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.why-subsection-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--warm-cream);
  margin-bottom: 0.65rem;
}

.why-subsection-text {
  font-size: 0.875rem;
  color: var(--smoke);
  line-height: 1.7;
}

.why-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary-soft);
  font-weight: 600;
}

.why-list strong { color: var(--warm-cream); }

.why-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.why-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.35rem;
  min-height: 11rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  transition: border-color var(--duration-normal);
}

.why-stat-card:hover { border-color: var(--border-strong); }

.why-stat-card--accent {
  background: linear-gradient(145deg, rgba(114, 81, 247, 0.15) 0%, var(--surface) 100%);
  border-color: rgba(114, 81, 247, 0.35);
}

.why-stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--warm-cream);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.why-stat-text {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.why-stat-desc {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--smoke);
  line-height: 1.6;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
}

.why-stats-quote {
  grid-column: 1 / -1;
  margin: 0.5rem 0 0;
  padding: 1.35rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary-soft);
  border-radius: var(--radius-lg);
}

.why-stats-quote p {
  font-size: 0.9rem;
  color: var(--warm-cream);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 0.65rem;
}

.why-stats-quote footer {
  font-size: 0.78rem;
  color: var(--ink-tertiary);
  font-style: normal;
}

/* ── Testimonials ── */
.testimonials-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
  border-top: 1px solid rgba(56, 56, 62, 0.4);
}

.testimonial-disclaimer {
  font-size: 0.82rem !important;
  color: var(--ink-inactive) !important;
  font-style: italic;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.testimonial-card--adaptive {
  border-color: rgba(253, 66, 156, 0.3);
  background: linear-gradient(145deg, rgba(253, 66, 156, 0.06) 0%, var(--surface) 60%);
}

.testimonial-card--adaptive:hover {
  border-color: rgba(253, 66, 156, 0.5);
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin: 0;
  transition:
    border-color var(--duration-normal),
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal);
}

.testimonial-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
}

.testimonial-quote {
  font-size: 0.9rem;
  color: var(--smoke);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 1.25rem;
}

.testimonial-quote::before {
  content: '\201C';
  display: block;
  font-size: 2rem;
  line-height: 1;
  color: var(--primary-soft);
  opacity: 0.5;
  margin-bottom: 0.5rem;
}

.testimonial-author {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-secondary);
  font-style: normal;
  letter-spacing: 0.02em;
}
.testimonial-byline {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.testimonial-author-role {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--ink-tertiary);
  font-style: normal;
  letter-spacing: 0.02em;
  opacity: 0.85;
}

.about-tagline {
  margin-top: 1rem !important;
  color: var(--primary-soft) !important;
  font-weight: 500;
}

/* ── Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--duration-normal);
}

.card:hover { border-color: var(--border-strong); }

.form-card { margin-bottom: 1.5rem; }

/* ── Form fields ── */
.field { margin-bottom: 1.25rem; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-tertiary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.field:focus-within label { color: var(--primary-soft); }

input, select, textarea {
  width: 100%;
  background: var(--deep-anvil);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--warm-cream);
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  transition:
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

input::placeholder,
textarea::placeholder { color: var(--ink-inactive); }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

textarea { resize: vertical; min-height: 100px; }
select { cursor: pointer; }

/* ── Buttons ── */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.85rem 1.75rem;
  cursor: pointer;
  overflow: hidden;
  text-decoration: none;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    opacity var(--duration-normal),
    background var(--duration-normal);
  will-change: transform;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
}

.btn:not(:disabled):hover { transform: translateY(-1px); }
.btn:not(:disabled):active { transform: translateY(0) scale(0.98); transition-duration: 0.08s; }

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

.form-card .btn-primary,
.modal-content .btn-primary,
.btn-full {
  width: 100%;
}

.btn-primary:not(:disabled):hover {
  background: var(--primary-hover);
  box-shadow: 0 6px 28px rgba(114, 81, 247, 0.45);
}

.btn-primary.is-loading { animation: btnPulse 1.8s ease-in-out infinite; }

@keyframes btnPulse {
  0%, 100% { box-shadow: 0 4px 20px var(--accent-glow); }
  50% { box-shadow: 0 6px 32px rgba(114, 81, 247, 0.5); }
}

.btn-secondary {
  background: var(--surface-elevated);
  color: var(--warm-cream);
  border: 1px solid var(--border);
  width: 100%;
  margin-top: 1rem;
}

.btn-secondary:not(:disabled):hover {
  background: var(--surface-translucent);
  border-color: var(--border-strong);
}

.btn-nav-cta {
  background: var(--primary);
  color: var(--bone) !important;
  padding: 0.55rem 1.25rem;
  font-size: 0.85rem;
  box-shadow: none;
  width: auto !important;
  flex-shrink: 0;
}

.btn-nav-cta:hover {
  background: var(--primary-hover);
  color: var(--bone) !important;
}

.btn-hero {
  width: auto;
  min-width: 140px;
  padding: 0.95rem 2.5rem;
  font-size: 1rem;
}

.btn-hero:not(:disabled):hover {
  animation: btnHeroGlow 1.5s ease-in-out infinite;
}

@keyframes btnHeroGlow {
  0%, 100% { box-shadow: 0 4px 20px var(--accent-glow); }
  50% { box-shadow: 0 6px 36px rgba(114, 81, 247, 0.55), 0 0 48px rgba(114, 81, 247, 0.2); }
}

.btn-glow-flash {
  animation: btnClickGlow 0.45s var(--ease-out) !important;
}

@keyframes btnClickGlow {
  0% { box-shadow: 0 4px 20px var(--accent-glow); }
  40% { box-shadow: 0 0 0 6px rgba(114, 81, 247, 0.25), 0 8px 32px rgba(114, 81, 247, 0.5); }
  100% { box-shadow: 0 4px 20px var(--accent-glow); }
}

.btn-full { width: 100%; }

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.82rem;
}

/* Ripple */
.btn-ripple .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transform: scale(0);
  animation: rippleExpand 0.55s var(--ease-out) forwards;
  pointer-events: none;
}

@keyframes rippleExpand {
  to { transform: scale(4); opacity: 0; }
}

/* Loader */
.btn-loader {
  position: relative;
  width: 22px;
  height: 22px;
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.4));
}

.btn.is-loading .btn-loader {
  animation: loaderPulse 1.2s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.85; }
}

.loader-ring {
  position: absolute;
  inset: 0;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

.loader-ring--delay {
  inset: 3px;
  border-top-color: rgba(255, 255, 255, 0.6);
  animation-duration: 1s;
  animation-direction: reverse;
}

.loader-ring--outer {
  inset: -3px;
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-bottom-color: rgba(158, 134, 255, 0.5);
  animation-duration: 1.4s;
}

@keyframes spin { to { transform: rotate(360deg); } }

.hidden { display: none !important; }

/* ── Result card ── */
.result-card { animation: resultReveal 0.5s var(--ease-out); }

@keyframes resultReveal {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.result-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.status-badge {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  background: rgba(2, 217, 92, 0.12);
  color: var(--success);
}

.status-badge.pending {
  background: rgba(255, 179, 71, 0.12);
  color: var(--warning);
}

.result-prompt {
  color: var(--smoke);
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
  font-style: italic;
}

/* ── Audio player ── */
.audio-player {
  background: var(--deep-anvil);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  transition: border-color var(--duration-normal);
}

.audio-player.is-playing {
  border-color: rgba(114, 81, 247, 0.3);
}

.audio-visualizer {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 4px;
  height: 32px;
  margin-bottom: 0.75rem;
  opacity: 0.35;
  transition: opacity var(--duration-normal);
}

.audio-player.is-playing .audio-visualizer { opacity: 1; }

.viz-bar {
  display: block;
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: linear-gradient(to top, var(--primary), var(--accent-coral));
  transform-origin: bottom;
  animation: vizIdle 1.2s ease-in-out infinite;
}

.viz-bar:nth-child(1) { animation-delay: 0s; }
.viz-bar:nth-child(2) { animation-delay: 0.1s; }
.viz-bar:nth-child(3) { animation-delay: 0.2s; }
.viz-bar:nth-child(4) { animation-delay: 0.15s; }
.viz-bar:nth-child(5) { animation-delay: 0.05s; }
.viz-bar:nth-child(6) { animation-delay: 0.25s; }
.viz-bar:nth-child(7) { animation-delay: 0.12s; }

.audio-player.is-playing .viz-bar {
  animation: vizActive 0.55s ease-in-out infinite alternate;
}

@keyframes vizIdle {
  0%, 100% { transform: scaleY(0.4); opacity: 0.5; }
  50% { transform: scaleY(0.7); opacity: 0.7; }
}

@keyframes vizActive {
  0% { transform: scaleY(0.25); }
  100% { transform: scaleY(1); }
}

.audio-player audio { width: 100%; }

.notes {
  font-size: 0.85rem;
  color: var(--smoke);
  background: var(--deep-anvil);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  white-space: pre-wrap;
  max-height: 120px;
  overflow-y: auto;
}

.alert {
  background: rgba(255, 179, 71, 0.1);
  border: 1px solid rgba(255, 179, 71, 0.25);
  color: var(--warning);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* ── Feature grid (Suno bento) ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition:
    border-color var(--duration-normal),
    background var(--duration-normal),
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.feature-card:hover {
  border-color: rgba(114, 81, 247, 0.45);
  background: var(--surface-elevated);
  transform: translateY(-4px) scale(1.02);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.25),
    0 0 24px rgba(114, 81, 247, 0.12);
}

.feature-card:hover .feature-icon {
  animation: iconPulse 0.6s var(--ease-out);
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--warm-cream);
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--smoke);
  line-height: 1.6;
}

/* ── Steps ── */
.steps-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2.5rem auto 0;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition:
    border-color var(--duration-normal),
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal);
}

.step-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 50%;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bone);
}

.step-content h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}

.step-content p {
  font-size: 0.875rem;
  color: var(--smoke);
  line-height: 1.55;
}

/* ── About ── */
.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: 1.5rem;
  text-align: center;
}

.about-company {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--warm-cream);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.about-section .section-desc { margin-bottom: 0; }

/* ── Modals ── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out), visibility var(--duration-normal);
}

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

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.modal.is-open .modal-backdrop { opacity: 1; }

.modal-content {
  position: relative;
  background: var(--deep-anvil);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 440px;
  width: 100%;
  opacity: 0;
  transform: scale(0.94) translateY(10px);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-spring);
}

.modal.is-open .modal-content {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--ink-tertiary);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--duration-fast);
}

.modal-close:hover { color: var(--warm-cream); }

.modal-content h2 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.modal-desc {
  color: var(--smoke);
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
}

.payment-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  background: rgba(114, 81, 247, 0.08);
  border: 1px solid rgba(114, 81, 247, 0.2);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.payment-instruction {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--warm-cream);
  background: rgba(2, 217, 92, 0.06);
  border: 1px solid rgba(2, 217, 92, 0.2);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.payment-instruction strong { color: var(--primary-soft); }

.payment-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-tertiary);
  width: 100%;
}

.payment-amount-box {
  background: rgba(255, 179, 71, 0.08);
  border-color: rgba(255, 179, 71, 0.25);
}

.payment-amount {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--warning);
  flex: 1;
}

.payment-email {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary-soft);
  flex: 1;
  word-break: break-all;
}

.copy-btn {
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  color: var(--warm-cream);
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--duration-fast);
}

.copy-btn:hover { background: var(--border); }

.payment-note {
  font-size: 0.82rem;
  color: var(--smoke);
  margin-bottom: 1.5rem;
}

/* Success modal */
.success-content { text-align: center; overflow: hidden; }

.success-icon {
  width: 72px;
  height: 72px;
  background: rgba(2, 217, 92, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.success-check { width: 52px; height: 52px; }

.success-check-circle {
  stroke: var(--success);
  stroke-width: 2;
  stroke-dasharray: 151;
  stroke-dashoffset: 151;
}

.success-check-path {
  stroke: var(--success);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
}

.modal.is-open .success-check-circle { animation: drawCircle 0.5s var(--ease-out) 0.15s forwards; }
.modal.is-open .success-check-path { animation: drawCheck 0.35s var(--ease-out) 0.55s forwards; }

@keyframes drawCircle { to { stroke-dashoffset: 0; } }
@keyframes drawCheck { to { stroke-dashoffset: 0; } }

.success-message {
  color: var(--smoke);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.confetti-lite {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.confetti-lite.is-active::before,
.confetti-lite.is-active::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  animation: confettiFall 1.2s var(--ease-out) forwards;
}

.confetti-lite.is-active::before {
  top: -8px;
  left: 25%;
  background: var(--primary);
  animation-delay: 0.1s;
}

.confetti-lite.is-active::after {
  top: -8px;
  right: 25%;
  background: var(--success);
  animation-delay: 0.25s;
}

.confetti-lite.is-active .confetti-particle {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  animation: confettiFall 1.4s var(--ease-out) forwards;
}

@keyframes confettiFall {
  0% { opacity: 1; transform: translateY(0) rotate(0deg) scale(1); }
  100% { opacity: 0; transform: translateY(120px) rotate(360deg) scale(0.5); }
}

/* ── Footer (Suno multi-column) ── */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
  color: var(--smoke);
  font-size: 0.85rem;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--primary) 25%,
    var(--accent-coral) 50%,
    var(--primary-soft) 75%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: footerBorderShift 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes footerBorderShift {
  0%, 100% { background-position: 0% 50%; opacity: 0.6; }
  50% { background-position: 100% 50%; opacity: 1; }
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col-title {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--warm-cream);
  margin-bottom: 0.85rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

footer a,
.footer-links a,
.site-footer a,
.footer-grid a {
  color: var(--smoke);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 400;
  transition: color var(--duration-fast);
}

footer a:link,
footer a:visited,
.footer-links a:link,
.footer-links a:visited,
.site-footer a:link,
.site-footer a:visited,
.footer-grid a:link,
.footer-grid a:visited {
  color: var(--smoke);
  text-decoration: none;
}

footer a:hover,
footer a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--warm-cream);
  text-decoration: none;
}

.footer-brand {
  font-weight: 600;
  color: var(--warm-cream);
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--ink-tertiary);
  line-height: 1.5;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--ink-tertiary);
  margin-bottom: 0.5rem;
}

.footer-disclaimer {
  font-size: 0.72rem;
  color: var(--ink-inactive);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.55;
}

/* ── Cookie banner ── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 1.25rem;
  background: rgba(16, 16, 18, 0.95);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal) var(--ease-out);
}

.cookie-banner.is-hiding {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}

.cookie-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-banner-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--warm-cream);
  margin-bottom: 0.3rem;
}

.cookie-banner-desc {
  font-size: 0.82rem;
  color: var(--smoke);
  line-height: 1.55;
  max-width: 640px;
}

.cookie-banner-desc a {
  color: var(--primary-soft);
  text-decoration: none;
}

.cookie-banner-desc a:hover { text-decoration: underline; }

.cookie-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  flex-shrink: 0;
}

body.cookie-banner-visible { padding-bottom: 5.5rem; }

/* ── Legal pages ── */
.legal-page .legal-container {
  position: relative;
  z-index: 1;
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

.legal-card { padding: 2.5rem 2rem; }

.legal-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-soft);
  margin-bottom: 0.75rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(114, 81, 247, 0.25);
  border-radius: var(--radius-full);
  background: rgba(114, 81, 247, 0.08);
}

.legal-title {
  font-size: clamp(1.75rem, 4vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.legal-meta {
  font-size: 0.85rem;
  color: var(--smoke);
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.legal-notice {
  background: rgba(253, 66, 156, 0.06);
  border: 1px solid rgba(253, 66, 156, 0.2);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.legal-notice strong { color: var(--accent-coral); }

.legal-body section { margin-bottom: 1.75rem; }
.legal-body section:last-child { margin-bottom: 0; }

.legal-body h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.65rem;
  letter-spacing: -0.01em;
  color: var(--warm-cream);
}

.legal-body p {
  font-size: 0.92rem;
  color: var(--smoke);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.legal-body p:last-child { margin-bottom: 0; }

.legal-body ul {
  margin: 0.5rem 0 0.75rem 1.25rem;
  padding: 0;
}

.legal-body li {
  font-size: 0.92rem;
  color: var(--smoke);
  line-height: 1.65;
  margin-bottom: 0.4rem;
}

.legal-body a {
  color: var(--primary-soft);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.legal-body a:hover { color: var(--accent-coral); text-decoration: underline; }

.legal-body strong { color: var(--warm-cream); font-weight: 600; }

.legal-body code {
  font-family: ui-monospace, 'Cascadia Code', 'Segoe UI Mono', monospace;
  font-size: 0.85em;
  background: var(--surface-elevated);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .site-header > .header-nav,
  .site-header > .header-cta { display: none; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .tech-showcase,
  .tech-showcase--reverse {
    grid-template-columns: 1fr;
  }
  .tech-showcase--reverse .tech-content,
  .tech-showcase--reverse .tech-visual { order: unset; }
  .quantum-hero { grid-template-columns: 1fr; }
  .quantum-subsections { grid-template-columns: 1fr; }
  .adaptive-playback-bullets { grid-template-columns: 1fr; }
  .quantum-bullet-grid { grid-template-columns: repeat(2, 1fr); }
  .quantum-comparison-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; align-items: start; }
  .why-stat-card { min-height: 0; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .steps-list { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .mobile-nav {
    display: none;
    width: 100%;
    flex-basis: 100%;
  }

  .hero-section { padding: 4rem 1.25rem 3rem; }

  .hero-title { max-width: none; }

  .hero-actions .btn-hero {
    width: auto;
    min-width: 200px;
  }

  .stats-strip {
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 0.35rem;
    padding: 0.85rem 1.15rem;
    border-radius: var(--radius-lg);
  }

  .stat-sep { display: none; }

  .stat-item {
    font-size: 0.78rem;
    white-space: normal;
    text-align: center;
  }

  .features-grid { grid-template-columns: 1fr; }
  .use-cases-grid { grid-template-columns: 1fr; }
  .numbers-brag-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .quantum-bullet-grid { grid-template-columns: 1fr; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    text-align: center;
  }

  .footer-links { align-items: center; }

  .cookie-banner-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-banner-actions { justify-content: stretch; }
  .cookie-banner-actions .btn { flex: 1; min-width: 0; }

  .why-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; }
  .legal-card { padding: 1.75rem 1.25rem; }
  .about-card { padding: 1.5rem 1.25rem; }
  .card { padding: 1.5rem; }
  .feature-card:hover,
  .step-item:hover,
  .use-case-card:hover { transform: none; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .page-loading .animate-in,
  .animate-in,
  .reveal,
  .hero-stagger,
  .stats-reveal { opacity: 1; transform: none; }

  .stats-reveal .stat-item { opacity: 1; animation: none !important; }

  .modal-content { transform: none; }

  .btn:not(:disabled):hover,
  .btn:not(:disabled):active,
  .feature-card:hover,
  .step-item:hover,
  .use-case-card:hover,
  .testimonial-card:hover { transform: none; }

  .nav-link::after { transform: scaleX(1); }

  .bg-dusk-wash { animation: none; transform: none; }
}