:root,
[data-theme="dark"] {
  --bg: #0b0b0b;
  --bg-2: #111111;
  --surface: #161616;
  --surface-2: #1d1d1d;
  --surface-3: #262626;
  --border: #2a2a2a;
  --border-strong: #3d3d3d;
  --text: #f2f2f2;
  --title: #ffffff;
  --muted: #a9a9a9;
  --tiny: #7d7d7d;
  --accent: #ffffff;
  --accent-text: #0b0b0b;
  --accent-hover: #e4e4e4;
  --header-bg: rgba(11, 11, 11, 0.78);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  --glow: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] {
  --bg: #f3f3f3;
  --bg-2: #ffffff;
  --surface: #ffffff;
  --surface-2: #efefef;
  --surface-3: #e3e3e3;
  --border: #dcdcdc;
  --border-strong: #c2c2c2;
  --text: #161616;
  --title: #000000;
  --muted: #555555;
  --tiny: #7c7c7c;
  --accent: #111111;
  --accent-text: #ffffff;
  --accent-hover: #2b2b2b;
  --header-bg: rgba(243, 243, 243, 0.78);
  --shadow: 0 24px 50px rgba(0, 0, 0, 0.14);
  --glow: rgba(0, 0, 0, 0.04);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(900px 420px at 50% -80px, var(--glow), transparent 70%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s ease, color .25s ease;
}

::selection { background: var(--title); color: var(--bg); }
a { color: inherit; text-decoration: none; }
img { display: block; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--title); outline-offset: 3px; border-radius: 6px; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { color: var(--title); line-height: 1.15; letter-spacing: -0.02em; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  padding: 12px 22px;
  border: 1px solid transparent;
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-text); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-lg { padding: 15px 28px; font-size: 15px; border-radius: 14px; }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 10px; }

.icon-btn {
  display: grid; place-items: center;
  width: 36px; height: 36px; border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent; color: var(--muted);
  transition: background-color .15s ease, color .15s ease;
}
.icon-btn:hover { background: var(--surface-2); color: var(--title); }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--title); letter-spacing: -0.01em; }
.brand img { border-radius: 8px; }
.site-nav { display: flex; gap: 22px; margin-left: 8px; }
.site-nav a { font-size: 13.5px; color: var(--muted); transition: color .15s ease; }
.site-nav a:hover { color: var(--title); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* Hero */
.hero { padding: 88px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.badge { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; font-size: 12px; color: var(--muted); background: var(--surface); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--title); animation: pulse 2.2s ease-in-out infinite; }
.hero h1 { font-size: clamp(40px, 6vw, 68px); margin: 22px 0 16px; }
.lead { font-size: 17px; color: var(--muted); max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-meta { margin-top: 16px; font-size: 12.5px; color: var(--tiny); }
.hero-meta span { margin: 0 6px; }

/* Demo mockup */
.hero-demo { display: flex; justify-content: center; }
.demo-stack { display: grid; gap: 20px; justify-items: center; animation: float 8s ease-in-out infinite; }
.demo-label { text-align: center; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--tiny); margin-top: 10px; }
.demo-pill, .demo-card { background: linear-gradient(180deg, var(--surface-2), var(--bg-2)); border: 1px solid var(--border); box-shadow: var(--shadow); }
.demo-pill { display: flex; align-items: center; gap: 10px; width: 236px; padding: 8px 14px; border-radius: 999px; }
.demo-pill-text { display: flex; flex-direction: column; line-height: 1.2; }
.demo-pill-text strong { font-size: 13px; color: var(--title); }
.demo-pill-text em { font-style: normal; font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--tiny); }

.orb { position: relative; flex: none; width: 27px; height: 27px; border-radius: 50%; background: radial-gradient(circle at 32% 30%, var(--accent-hover), var(--accent)); }
.orb-eye { position: absolute; top: 8px; width: 3px; height: 4.5px; border-radius: 2px; background: var(--accent-text); }
.orb-eye.left { left: 7px; }
.orb-eye.right { right: 7px; }
.orb-mouth { position: absolute; left: 50%; bottom: 5.5px; transform: translateX(-50%); width: 9px; height: 5px; border-bottom: 1.8px solid var(--accent-text); border-radius: 0 0 9px 9px; }

.eq { display: flex; align-items: center; gap: 3px; height: 16px; margin-left: auto; }
.eq span { width: 3px; height: 16px; border-radius: 2px; background: linear-gradient(180deg, var(--title), var(--muted)); transform-origin: center; animation: eq 1.1s ease-in-out infinite; }
.eq span:nth-child(2) { animation-delay: .18s; }
.eq span:nth-child(3) { animation-delay: .36s; }
.eq span:nth-child(4) { animation-delay: .54s; }

.demo-card { width: min(340px, 100%); border-radius: 22px; padding: 16px; }
.demo-head { display: flex; align-items: center; gap: 10px; }
.demo-track { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.cover { flex: none; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 13px; background: linear-gradient(135deg, var(--surface-3), var(--surface)); border: 1px solid var(--border); color: var(--muted); }
.track-info { display: flex; flex-direction: column; line-height: 1.35; min-width: 0; }
.track-kicker { font-style: normal; font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--tiny); }
.track-title { font-size: 14px; color: var(--title); }
.track-artist { font-size: 12px; color: var(--muted); }

.demo-progress { margin-top: 14px; height: 5px; border-radius: 3px; background: var(--surface-3); overflow: hidden; }
.demo-progress-fill { display: block; height: 100%; width: 40%; border-radius: 3px; background: var(--accent); animation: progress 36s linear infinite; }
.demo-times { display: flex; justify-content: space-between; margin-top: 6px; font-size: 10px; color: var(--tiny); }
.demo-controls { display: flex; justify-content: center; align-items: center; gap: 14px; margin-top: 12px; }
.ctl { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface-2); color: var(--muted); }
.ctl-primary { width: 46px; height: 46px; border: none; background: var(--accent); color: var(--accent-text); }
.demo-tabs { display: flex; gap: 4px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); }
.demo-tabs span { flex: 1; text-align: center; font-size: 11px; font-weight: 600; color: var(--muted); padding: 6px 2px; border-radius: 8px; }
.demo-tabs .active { background: var(--accent); color: var(--accent-text); }

/* Sections */
.section { padding: 76px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { margin-bottom: 36px; }
.kicker { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--tiny); }
.section-head h2 { font-size: clamp(26px, 4vw, 36px); margin: 10px 0 10px; }
.section-head p { color: var(--muted); max-width: 60ch; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 24px; transition: border-color .2s ease, transform .2s ease; }
.feature:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.feature-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface-2); color: var(--title); margin-bottom: 16px; }
.feature h3 { font-size: 16px; margin-bottom: 8px; }
.feature p { font-size: 13.5px; color: var(--muted); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 24px; }
.step-num { font-size: 12px; font-weight: 700; letter-spacing: 0.2em; color: var(--tiny); }
.step h3 { font-size: 17px; margin: 10px 0 8px; }
.step p { font-size: 13.5px; color: var(--muted); }
.step strong { color: var(--title); }

.notice { display: flex; gap: 16px; align-items: flex-start; margin-top: 20px; padding: 20px 22px; border: 1px dashed var(--border-strong); border-radius: 16px; background: var(--surface); color: var(--muted); }
.notice svg { flex: none; color: var(--title); margin-top: 2px; }
.notice strong { display: block; color: var(--title); margin-bottom: 4px; font-size: 14.5px; }
.notice p { font-size: 13.5px; }

.req-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.req { border-top: 1px solid var(--border-strong); padding-top: 14px; }
.req strong { display: block; margin-top: 6px; font-size: 14.5px; color: var(--title); }

/* CTA */
.cta-box { text-align: center; padding: 60px 28px; border: 1px solid var(--border); border-radius: 26px; background: radial-gradient(520px 240px at 50% 0%, var(--glow), transparent 70%), linear-gradient(180deg, var(--surface), var(--bg-2)); box-shadow: var(--shadow); }
.cta-box img { margin: 0 auto 18px; border-radius: 16px; }
.cta-box h2 { font-size: clamp(26px, 4vw, 38px); }
.cta-box p { color: var(--muted); margin: 10px 0 26px; }
.cta-note { display: block; margin-top: 14px; font-size: 12px; color: var(--tiny); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 26px 0; }
.footer-inner { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.copy { font-size: 12.5px; color: var(--tiny); }

/* Animations */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes eq { 0%, 100% { transform: scaleY(0.3); } 50% { transform: scaleY(1); } }
@keyframes progress { from { width: 8%; } to { width: 96%; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .demo-stack, .eq span, .demo-progress-fill, .badge-dot { animation: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero { padding: 56px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-copy { text-align: center; }
  .lead { margin: 0 auto; }
  .hero-actions { justify-content: center; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .req-grid { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 640px) {
  .site-nav { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .btn-lg { width: 100%; justify-content: center; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .footer-inner { justify-content: center; text-align: center; }
}
/* ... (все переменные и сброс остаются как были) ... */
:root,
[data-theme="dark"] {
  --bg: #0b0b0b;
  --bg-2: #111111;
  --surface: #161616;
  --surface-2: #1d1d1d;
  --surface-3: #262626;
  --border: #2a2a2a;
  --border-strong: #3d3d3d;
  --text: #f2f2f2;
  --title: #ffffff;
  --muted: #a9a9a9;
  --tiny: #7d7d7d;
  --accent: #ffffff;
  --accent-text: #0b0b0b;
  --accent-hover: #e4e4e4;
  --header-bg: rgba(11, 11, 11, 0.78);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  --glow: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] {
  --bg: #f3f3f3;
  --bg-2: #ffffff;
  --surface: #ffffff;
  --surface-2: #efefef;
  --surface-3: #e3e3e3;
  --border: #dcdcdc;
  --border-strong: #c2c2c2;
  --text: #161616;
  --title: #000000;
  --muted: #555555;
  --tiny: #7c7c7c;
  --accent: #111111;
  --accent-text: #ffffff;
  --accent-hover: #2b2b2b;
  --header-bg: rgba(243, 243, 243, 0.78);
  --shadow: 0 24px 50px rgba(0, 0, 0, 0.14);
  --glow: rgba(0, 0, 0, 0.04);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(900px 420px at 50% -80px, var(--glow), transparent 70%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s ease, color .25s ease;
}

::selection { background: var(--title); color: var(--bg); }
a { color: inherit; text-decoration: none; }
img { display: block; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--title); outline-offset: 3px; border-radius: 6px; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { color: var(--title); line-height: 1.15; letter-spacing: -0.02em; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  padding: 12px 22px;
  border: 1px solid transparent;
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-text); box-shadow: 0 0 0 rgba(255,255,255,0); }
.btn-primary:hover { 
  background: var(--accent-hover); 
  transform: translateY(-1px); 
  box-shadow: 0 4px 15px rgba(255,255,255,0.15); 
}
.btn-lg { padding: 15px 28px; font-size: 15px; border-radius: 14px; }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 10px; }

.icon-btn {
  display: grid; place-items: center;
  width: 36px; height: 36px; border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent; color: var(--muted);
  transition: background-color .15s ease, color .15s ease;
}
.icon-btn:hover { background: var(--surface-2); color: var(--title); }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--title); letter-spacing: -0.01em; }
.brand img { border-radius: 8px; }
.site-nav { display: flex; gap: 22px; margin-left: 8px; }
.site-nav a { font-size: 13.5px; color: var(--muted); transition: color .15s ease; }
.site-nav a:hover { color: var(--title); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* Hero */
.hero { padding: 88px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.badge { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; font-size: 12px; color: var(--muted); background: var(--surface); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--title); animation: pulse 2.2s ease-in-out infinite; }
.hero h1 { font-size: clamp(40px, 6vw, 68px); margin: 22px 0 16px; }
.lead { font-size: 17px; color: var(--muted); max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-meta { margin-top: 16px; font-size: 12.5px; color: var(--tiny); }
.hero-meta span { margin: 0 6px; }

/* Demo mockup */
.hero-demo { display: flex; justify-content: center; }
.demo-stack { display: grid; gap: 20px; justify-items: center; animation: float 8s ease-in-out infinite; }
.demo-label { text-align: center; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--tiny); margin-top: 10px; }
.demo-pill, .demo-card { background: linear-gradient(180deg, var(--surface-2), var(--bg-2)); border: 1px solid var(--border); box-shadow: var(--shadow); }
.demo-pill { display: flex; align-items: center; gap: 10px; width: 236px; padding: 8px 14px; border-radius: 999px; }
.demo-pill-text { display: flex; flex-direction: column; line-height: 1.2; }
.demo-pill-text strong { font-size: 13px; color: var(--title); }
.demo-pill-text em { font-style: normal; font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--tiny); }

.orb { position: relative; flex: none; width: 27px; height: 27px; border-radius: 50%; background: radial-gradient(circle at 32% 30%, var(--accent-hover), var(--accent)); }
.orb-eye { position: absolute; top: 8px; width: 3px; height: 4.5px; border-radius: 2px; background: var(--accent-text); }
.orb-eye.left { left: 7px; }
.orb-eye.right { right: 7px; }
.orb-mouth { position: absolute; left: 50%; bottom: 5.5px; transform: translateX(-50%); width: 9px; height: 5px; border-bottom: 1.8px solid var(--accent-text); border-radius: 0 0 9px 9px; }

.eq { display: flex; align-items: center; gap: 3px; height: 16px; margin-left: auto; }
.eq span { width: 3px; height: 16px; border-radius: 2px; background: linear-gradient(180deg, var(--title), var(--muted)); transform-origin: center; animation: eq 1.1s ease-in-out infinite; }
.eq span:nth-child(2) { animation-delay: .18s; }
.eq span:nth-child(3) { animation-delay: .36s; }
.eq span:nth-child(4) { animation-delay: .54s; }

.demo-card { width: min(340px, 100%); border-radius: 22px; padding: 16px; }
.demo-head { display: flex; align-items: center; gap: 10px; }
.demo-track { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.cover { flex: none; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 13px; background: linear-gradient(135deg, var(--surface-3), var(--surface)); border: 1px solid var(--border); color: var(--muted); }
.track-info { display: flex; flex-direction: column; line-height: 1.35; min-width: 0; }
.track-kicker { font-style: normal; font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--tiny); }
.track-title { font-size: 14px; color: var(--title); }
.track-artist { font-size: 12px; color: var(--muted); }

.demo-progress { margin-top: 14px; height: 5px; border-radius: 3px; background: var(--surface-3); overflow: hidden; }
.demo-progress-fill { display: block; height: 100%; width: 40%; border-radius: 3px; background: var(--accent); animation: progress 36s linear infinite; }
.demo-times { display: flex; justify-content: space-between; margin-top: 6px; font-size: 10px; color: var(--tiny); }
.demo-controls { display: flex; justify-content: center; align-items: center; gap: 14px; margin-top: 12px; }
.ctl { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface-2); color: var(--muted); }
.ctl-primary { width: 46px; height: 46px; border: none; background: var(--accent); color: var(--accent-text); }
.demo-tabs { display: flex; gap: 4px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); }
.demo-tabs span { flex: 1; text-align: center; font-size: 11px; font-weight: 600; color: var(--muted); padding: 6px 2px; border-radius: 8px; }
.demo-tabs .active { background: var(--accent); color: var(--accent-text); }

/* Sections */
.section { padding: 76px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { margin-bottom: 36px; }
.kicker { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--tiny); }
.section-head h2 { font-size: clamp(26px, 4vw, 36px); margin: 10px 0 10px; }
.section-head p { color: var(--muted); max-width: 60ch; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 24px; transition: border-color .2s ease, transform .2s ease; }
.feature:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.feature-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface-2); color: var(--title); margin-bottom: 16px; }
.feature h3 { font-size: 16px; margin-bottom: 8px; }
.feature p { font-size: 13.5px; color: var(--muted); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 24px; }
.step-num { font-size: 12px; font-weight: 700; letter-spacing: 0.2em; color: var(--tiny); }
.step h3 { font-size: 17px; margin: 10px 0 8px; }
.step p { font-size: 13.5px; color: var(--muted); }
.step strong { color: var(--title); }

.notice { display: flex; gap: 16px; align-items: flex-start; margin-top: 20px; padding: 20px 22px; border: 1px dashed var(--border-strong); border-radius: 16px; background: var(--surface); color: var(--muted); }
.notice svg { flex: none; color: var(--title); margin-top: 2px; }
.notice strong { display: block; color: var(--title); margin-bottom: 4px; font-size: 14.5px; }
.notice p { font-size: 13.5px; }

.req-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.req { border-top: 1px solid var(--border-strong); padding-top: 14px; }
.req strong { display: block; margin-top: 6px; font-size: 14.5px; color: var(--title); }

/* CTA */
.cta-box { text-align: center; padding: 60px 28px; border: 1px solid var(--border); border-radius: 26px; background: radial-gradient(520px 240px at 50% 0%, var(--glow), transparent 70%), linear-gradient(180deg, var(--surface), var(--bg-2)); box-shadow: var(--shadow); }
.cta-box img { margin: 0 auto 18px; border-radius: 16px; }
.cta-box h2 { font-size: clamp(26px, 4vw, 38px); }
.cta-box p { color: var(--muted); margin: 10px 0 26px; }
.cta-note { display: block; margin-top: 14px; font-size: 12px; color: var(--tiny); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 26px 0; }
.footer-inner { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.copy { font-size: 12.5px; color: var(--tiny); }

/* Animations */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes eq { 0%, 100% { transform: scaleY(0.3); } 50% { transform: scaleY(1); } }
@keyframes progress { from { width: 8%; } to { width: 96%; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .demo-stack, .eq span, .demo-progress-fill, .badge-dot { animation: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero { padding: 56px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-copy { text-align: center; }
  .lead { margin: 0 auto; }
  .hero-actions { justify-content: center; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .req-grid { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 640px) {
  .site-nav { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .btn-lg { width: 100%; justify-content: center; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .footer-inner { justify-content: center; text-align: center; }
}