:root { --bg: #0f1115; --bg2: #171a21; --bg3: #20242c; --line: #2e333d; --text: #e8eaf0; --muted: #98a0b3; --accent: #4f8dff; --gold: #e2b04a; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
main { max-width: 960px; margin: 0 auto; padding: 32px 20px 80px; }
main.narrow { max-width: 440px; padding-top: 60px; }
.brand { display: inline-block; font-weight: 800; letter-spacing: .02em; color: var(--text); text-decoration: none; margin-bottom: 24px; }
h1 { font-size: 30px; margin: 0 0 8px; } h2 { font-size: 18px; margin: 28px 0 8px; }
.muted { color: var(--muted); }
.card { background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
input[type=email], input[type=text], #q { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg3); color: var(--text); font-size: 16px; margin-bottom: 10px; }
#q { width: auto; display: inline-block; margin-left: 10px; padding: 6px 10px; font-size: 14px; }
button, .btn { font: inherit; cursor: pointer; border-radius: 10px; padding: 11px 16px; text-decoration: none; display: inline-block; }
.primary { background: var(--accent); color: #fff; border: 0; font-weight: 700; width: 100%; }
.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.ghost + .ghost { margin-left: 8px; }
.or { text-align: center; color: var(--muted); margin: 14px 0; }
.note { min-height: 1.4em; color: var(--muted); } .note.err { color: #ff8a8a; } .note.ok { color: #7ddf7d; }
.plan { display: inline-block; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); margin: 8px 0 16px; }
.plan.pro { border-color: var(--gold); color: #f3cf77; background: rgba(226,176,74,.12); }
code { background: var(--bg3); padding: 3px 6px; border-radius: 6px; }
.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 28px 0; }
.tier { position: relative; background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 24px; text-align: center; }
.tier.best { border-color: var(--gold); box-shadow: 0 0 0 1px rgba(226,176,74,.3), 0 0 30px rgba(226,176,74,.12); }
.tier .tag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--gold); color: #2a1e05; font-size: 12px; font-weight: 800; padding: 3px 10px; border-radius: 999px; }
.tier .price { font-size: 32px; font-weight: 800; margin: 6px 0; }
.tiers.small .tier { padding: 18px; } .tiers.small .tier h2 { margin-top: 0; } .tiers.small .price { font-size: 26px; }
.features { columns: 1; padding-left: 20px; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 16px 0 28px; }
.stat { background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.stat b { display: block; font-size: 26px; } .stat span { color: var(--muted); font-size: 13px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }

/* ---- tool landing pages ---- */
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 24px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(15,17,21,.85); backdrop-filter: blur(8px); z-index: 5; }
.nav .brand { margin: 0; }
.nav nav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
.nav nav a.on, .nav nav a:hover { color: var(--text); }
.btn.small, .ghost.small, .sel.small { padding: 6px 12px; font-size: 13px; }
main.wide { max-width: 1080px; }
.hero { padding: 48px 0 24px; max-width: 760px; }
.eyebrow { display: inline-block; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.hero h1 { font-size: 44px; line-height: 1.1; margin: 0 0 14px; }
.hero .accent { color: var(--accent); }
.hero .lead { font-size: 18px; color: var(--muted); }
.cta .btn { width: auto; margin-right: 8px; }
.demo-section { margin-top: 24px; }
.demo { display: grid; grid-template-columns: minmax(280px, 520px) 1fr; gap: 28px; align-items: start; background: var(--bg2); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
.demo-stage { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.demo .phone { position: relative; border-radius: 18px; overflow: hidden; background: #000; box-shadow: 0 16px 40px rgba(0,0,0,.6), 0 0 0 1px #33373f; }
.demo .phone canvas { display: block; width: 100%; height: 100%; }
.demo-bar { display: flex; align-items: center; gap: 12px; }
.sel { background: var(--bg3); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font: inherit; }
.demo-controls { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.ctl-h { font-weight: 700; } .ctl-h b { color: var(--accent); margin-left: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { background: var(--bg3); border: 1px solid var(--line); color: var(--muted); border-radius: 999px; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.chip.on, .chip:hover { color: #fff; border-color: var(--accent); background: rgba(79,141,255,.15); }
.ctl { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); }
.ctl input[type=range] { width: 100%; accent-color: var(--accent); }
.ctl.row { flex-direction: row; align-items: center; gap: 8px; }
.drop { border: 1px dashed var(--line); border-radius: 12px; padding: 18px; text-align: center; color: var(--muted); cursor: pointer; }
.drop.over { border-color: var(--accent); color: var(--text); }
.muted.small { font-size: 13px; }
.features, .how, .also, .faq { margin-top: 56px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.f, .t { background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; color: var(--text); text-decoration: none; display: block; }
.f h3, .t h3 { margin: 0 0 6px; font-size: 16px; } .f p, .t p { margin: 0; color: var(--muted); font-size: 14px; }
.t:hover { border-color: var(--accent); }
.steps { padding-left: 20px; color: var(--muted); } .steps li { margin: 8px 0; } .steps b { color: var(--text); }
.faq details { border-bottom: 1px solid var(--line); padding: 12px 0; }
.faq summary { cursor: pointer; font-weight: 600; } .faq p { color: var(--muted); margin: 8px 0 0; }
.cta-end { text-align: center; margin: 64px 0 24px; }
.cta-end .btn { width: auto; }
.foot { display: flex; gap: 18px; justify-content: center; padding: 24px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); }
.foot a { color: var(--muted); }
@media (max-width: 760px) { .demo { grid-template-columns: 1fr; } .hero h1 { font-size: 32px; } .nav nav { gap: 12px; } }

/* ---- mobile-first header, hero background, capture form, sticky CTA ---- */
html { -webkit-text-size-adjust: 100%; }
.nav { padding: 12px 16px; }
.nav .burger { display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav .burger span { width: 18px; height: 2px; background: var(--text); display: block; }
.hero { position: relative; padding: 56px 0 28px; max-width: none; overflow: hidden; border-radius: 0 0 28px 28px; margin: 0 -20px; padding-left: 20px; padding-right: 20px; }
.hero-in { position: relative; max-width: 760px; }
.hero-bg { position: absolute; inset: 0; background: radial-gradient(120% 80% at 20% 0%, rgba(79,141,255,.28), transparent 60%), radial-gradient(90% 70% at 100% 20%, rgba(226,176,74,.16), transparent 60%), linear-gradient(180deg, #141824, var(--bg) 100%); overflow: hidden; }
.hero-bg .c { position: absolute; width: 120px; height: 200px; border-radius: 14px; opacity: .35; filter: blur(1px); transform-origin: 50% 300%; animation: heroSpin 26s linear infinite; box-shadow: 0 20px 60px rgba(0,0,0,.4); }
.hero-bg .c1 { right: 6%; top: 6%; background: linear-gradient(160deg, #3a7bff, #6fa2ff); animation-delay: 0s; }
.hero-bg .c2 { right: 18%; top: 14%; background: linear-gradient(160deg, #19b3a6, #4bd8cc); animation-delay: -5s; }
.hero-bg .c3 { right: 30%; top: 2%; background: linear-gradient(160deg, #c53fd0, #e57cf0); animation-delay: -10s; }
.hero-bg .c4 { right: -4%; top: 30%; background: linear-gradient(160deg, #e8b331, #f4d36b); animation-delay: -16s; }
.hero-bg .c5 { right: 12%; top: 40%; background: linear-gradient(160deg, #ff6a4d, #ff9b85); animation-delay: -21s; }
@keyframes heroSpin { from { transform: rotateY(0deg) translateZ(0); } 50% { transform: rotateY(180deg) scale(.85); opacity: .15; } to { transform: rotateY(360deg); } }
.hero-bg { perspective: 900px; }
.capture { display: flex; flex-direction: column; gap: 8px; max-width: 440px; margin: 18px 0 10px; }
.capture input { margin: 0; }
.capture .btn { width: 100%; }
.capture .muted.small, .capture .note { font-size: 13px; min-height: 0; }
.sticky-cta { display: none; }
@media (max-width: 760px) {
  main { padding: 16px 16px 110px; }
  .nav .burger { display: flex; }
  .nav nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; gap: 0; background: var(--bg2); border-bottom: 1px solid var(--line); padding: 8px 0; }
  .nav nav a { padding: 12px 20px; font-size: 16px; }
  .nav nav .btn { margin: 8px 20px; text-align: center; }
  #navtoggle:checked ~ nav { display: flex; }
  .hero { padding: 36px 16px 22px; margin: 0 -16px; }
  .hero h1 { font-size: 30px; }
  .hero .lead { font-size: 16px; }
  .hero-bg .c { width: 70px; height: 120px; opacity: .25; }
  .cta { display: flex; gap: 8px; } .cta .btn { flex: 1; margin: 0; text-align: center; }
  .demo { padding: 14px; gap: 18px; }
  .demo .phone { max-width: 100%; }
  .chip { padding: 8px 12px; font-size: 14px; }
  .ctl input[type=range] { height: 28px; }
  .grid3 { grid-template-columns: 1fr; }
  .sticky-cta { display: block; position: fixed; left: 0; right: 0; bottom: 0; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: rgba(15,17,21,.92); backdrop-filter: blur(8px); border-top: 1px solid var(--line); z-index: 6; }
  .sticky-cta .btn { width: 100%; text-align: center; }
  .foot { flex-wrap: wrap; }
}

/* ---- home page ---- */
.brand .logo { display: inline-block; width: 14px; height: 14px; border-radius: 4px; background: linear-gradient(135deg, #6ea8ff, #3d7cf0); margin-right: 8px; vertical-align: -1px; box-shadow: 0 0 12px rgba(79,141,255,.5); }
.nav nav .btn.primary.small { width: auto; }
.hero-home { padding: 40px 20px 36px; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.hero-home h1 { font-size: 46px; }
.hero-visual { display: flex; justify-content: center; }
.panel-mock { width: 300px; background: #1b1d22; border: 1px solid #33373f; border-radius: 16px; padding: 10px; box-shadow: 0 30px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(79,141,255,.15); }
.pm-top { display: flex; align-items: center; gap: 5px; padding: 2px 4px 10px; }
.pm-dot { width: 8px; height: 8px; border-radius: 50%; background: #3a3f4a; }
.pm-title { margin-left: 8px; font-size: 11px; color: var(--muted); }
.panel-mock .phone { width: 100%; aspect-ratio: 9 / 16; border-radius: 12px; overflow: hidden; background: #000; position: relative; }
.panel-mock .phone canvas { width: 100%; height: 100%; display: block; }
.pm-foot { display: flex; justify-content: space-between; align-items: center; padding: 10px 4px 2px; font-size: 12px; color: var(--muted); }
.pm-btn { background: var(--accent); color: #fff; font-weight: 700; padding: 6px 10px; border-radius: 8px; font-size: 12px; }
.tools-section, .feature-row, .pricing-section { margin-top: 72px; }
.tools-section h2, .pricing-section h2 { font-size: 30px; margin: 4px 0 20px; }
.t { position: relative; padding: 20px; }
.t-ico { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border-radius: 10px; background: rgba(79,141,255,.15); color: #8fc0ff; font-size: 18px; margin-bottom: 10px; }
.t .more { display: block; margin-top: 10px; color: var(--accent); font-size: 14px; }
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.feature-row.flip .fr-text { order: 2; }
.fr-text h2 { font-size: 30px; margin: 6px 0 12px; }
.arrows { list-style: none; padding: 0; margin: 14px 0 18px; }
.arrows li { padding: 6px 0 6px 24px; position: relative; color: var(--text); }
.arrows li::before { content: '→'; position: absolute; left: 0; color: var(--accent); }
.fr-text .btn { width: auto; }
.mock { background: #1b1d22; border: 1px solid #33373f; border-radius: 16px; padding: 16px; box-shadow: 0 24px 60px rgba(0,0,0,.5); font-size: 14px; }
.mk-head { font-weight: 700; margin-bottom: 8px; }
.mk-legend { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; font-size: 11px; font-style: normal; }
.mk-legend i { font-style: normal; padding: 2px 8px; border-radius: 4px; }
.mk-text { line-height: 1.8; margin: 0 0 12px; }
.mk-text span, .mk-legend i { padding: 1px 4px; border-radius: 3px; }
.r-take { background: rgba(255,170,60,.35); color: #ffd9a0; }
.r-fill { background: rgba(255,59,107,.4); color: #ffb3c0; text-decoration: line-through; }
.r-prof { background: rgba(190,80,255,.4); color: #e6c4ff; }
.r-sil { background: rgba(160,170,190,.3); color: #cfd6e4; font-size: 11px; }
.mk-text .keep { background: transparent; text-decoration: none; box-shadow: inset 0 0 0 1.5px currentColor; }
.mk-bar { display: flex; justify-content: space-between; align-items: center; gap: 10px; border-top: 1px solid #2c3039; padding-top: 10px; color: var(--muted); font-size: 12px; }
.mk-bar b { background: var(--accent); color: #fff; padding: 7px 12px; border-radius: 8px; font-size: 12px; white-space: nowrap; }
.tiles-mock { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mk-tile { background: #22252d; border: 1px solid #2f3440; border-radius: 12px; padding: 14px; }
.mk-tile b { display: block; margin-bottom: 4px; } .mk-tile span { color: var(--muted); font-size: 12px; }
.mk-tile.on { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(79,141,255,.3); }
.mk-url { background: #22252d; border: 1px solid #2f3440; border-radius: 10px; padding: 8px 10px; display: flex; justify-content: space-between; color: var(--muted); margin-bottom: 8px; font-size: 13px; }
.mk-url b { background: var(--accent); color: #fff; padding: 3px 10px; border-radius: 6px; font-size: 12px; }
.mk-row { display: flex; justify-content: space-between; padding: 8px 10px; border-radius: 8px; color: var(--muted); font-size: 13px; }
.mk-row.on { background: rgba(79,141,255,.12); color: var(--text); border: 1px solid rgba(79,141,255,.4); }
.tiers.four { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.tier h3 { margin: 0 0 6px; font-size: 17px; }
.tier .price small { font-size: 14px; color: var(--muted); font-weight: 500; }
.checks { list-style: none; padding: 0; margin: 12px 0 16px; text-align: left; color: var(--muted); font-size: 14px; }
.checks li { padding: 4px 0 4px 22px; position: relative; } .checks li::before { content: '✓'; position: absolute; left: 0; color: #7ddf7d; }
.tier .btn { width: 100%; text-align: center; }
.center { text-align: center; }
.linklike { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; font: inherit; text-decoration: underline; }
.foot { display: block; padding: 32px 20px 100px; }
.foot-in { max-width: 1080px; margin: 0 auto; display: grid; gap: 16px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 14px; } .foot-links a { color: var(--muted); text-decoration: none; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } .hero-visual { order: -1; } .panel-mock { width: 220px; } .feature-row { grid-template-columns: 1fr; gap: 20px; } .feature-row.flip .fr-text { order: 0; } .hero-home h1 { font-size: 32px; } }
@media (min-width: 761px) { .foot { padding-bottom: 32px; } }

/* ---- tool pages: shared visuals (auto edit, audio ai, download, timeline, quick fx, transitions) ---- */
.hero-bg.soft { background: radial-gradient(120% 80% at 20% 0%, rgba(79,141,255,.26), transparent 60%), radial-gradient(70% 60% at 100% 30%, rgba(226,176,74,.14), transparent 60%), linear-gradient(180deg, #141824, var(--bg) 100%); }
.mock.big { max-width: 820px; margin: 18px auto 0; }
.mock.big .mk-text { font-size: 16px; }
.r-take.keep { background: rgba(80,200,120,.25); color: #bfe9cc; text-decoration: none; }
.mk-wave { display: flex; align-items: flex-end; gap: 3px; height: 34px; margin: 0 0 12px; opacity: .8; }
.mk-wave i { flex: 1; background: var(--accent); border-radius: 2px; height: 30%; }
.mk-wave i:nth-child(3n) { height: 70%; } .mk-wave i:nth-child(5n) { height: 95%; } .mk-wave i:nth-child(7n) { height: 15%; } .mk-wave i:nth-child(4n+1) { height: 50%; background: #4bd8cc; }
.tiles-mock.five { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); max-width: 900px; margin: 18px auto 0; }
.ba { max-width: 900px; margin: 18px auto 0; background: #1b1d22; border: 1px solid #33373f; border-radius: 16px; padding: 14px 16px; display: grid; gap: 10px; }
.ba-row { display: grid; grid-template-columns: 130px 1fr; gap: 12px; align-items: center; color: var(--muted); font-size: 14px; }
.ba-row.on { color: var(--text); font-weight: 700; }
.wave { height: 36px; border-radius: 8px; background-size: 6px 100%; background-repeat: repeat-x; }
.wave.mixed { background-image: linear-gradient(to top, #4f8dff 0 60%, transparent 60%), linear-gradient(to top, #e2b04a 0 100%, transparent 100%); background-size: 6px 100%, 9px 100%; opacity: .9; }
.wave.clean { background-image: linear-gradient(to top, #4f8dff 0 55%, transparent 55%); background-size: 6px 100%; background-position: 0 50%; }
.wave.music { background-image: linear-gradient(to top, #e2b04a 0 80%, transparent 80%); background-size: 9px 100%; opacity: .8; }
.mk-thumb { display: flex; align-items: center; gap: 12px; padding: 10px 0; color: var(--muted); font-size: 13px; }
.mk-thumb i { width: 96px; height: 54px; border-radius: 8px; background: linear-gradient(135deg, #3a7bff, #e8b331); flex: none; }
.mk-thumb b { display: block; color: var(--text); font-size: 14px; }
.mk-opts { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 10px 4px; color: var(--muted); font-size: 13px; }
.mk-opts b { color: var(--text); }
.tl-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 10px; margin-top: 18px; }
.tl-list div { background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.tl-list b { display: block; margin-bottom: 3px; } .tl-list span { color: var(--muted); font-size: 14px; }
.demo-section.center { text-align: center; }
.wheel { width: min(360px, 90vw); margin: 18px auto 10px; }
.wheel svg { width: 100%; height: auto; display: block; }
.w-seg path { fill: #1f2228; stroke: #0f1115; stroke-width: 3; }
.w-seg path.hot { fill: var(--accent); }
.w-center { fill: #12141a; stroke: #33373f; stroke-width: 2; }
.w-label { fill: var(--muted); font: 700 20px system-ui, sans-serif; text-anchor: middle; }
.w-t { fill: var(--text); font: 600 12px system-ui, sans-serif; text-anchor: middle; pointer-events: none; }
.w-t.hot { fill: #fff; }
.tr-frame { width: 100%; max-width: 560px; aspect-ratio: 16 / 9; background: #000; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); }
.tr-frame canvas { width: 100%; height: 100%; display: block; }
.tr-demo { grid-template-columns: minmax(280px, 560px) 1fr; }
@media (max-width: 760px) { .ba-row { grid-template-columns: 96px 1fr; } .tr-demo { grid-template-columns: 1fr; } }