/* Tax Copilot — landing + legal. Native CSS (static deploy). Single accent: emerald.
   Aesthetic build (not a design system). Fonts self-referenced via Google CSS API. */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap');

:root{
  --bg:#f6f8f7; --surface:#ffffff; --surface-2:#f0f4f2;
  --ink:#08130e; --body:#46544d; --muted:#7c8a82; --line:#e4ebe7;
  --green:#05895d; --green-2:#09b97c; --green-ink:#063d29;
  --green-tint:#e8f5ef; --green-line:#cce7d8;
  --r:16px; --r-lg:28px;
  --sh-1:0 1px 2px rgba(8,19,14,.05);
  --sh-2:0 18px 40px -22px rgba(8,40,26,.22), 0 6px 14px -10px rgba(8,19,14,.12);
  --sh-3:0 40px 90px -34px rgba(4,90,58,.40), 0 14px 30px -18px rgba(8,19,14,.18);
  --maxw:1180px;
}
*{box-sizing:border-box}
/* Block cao bằng màn hình, canh giữa. Desktop: JS cuộn mượt khớp từng block.
   Mobile/giảm-chuyển-động: cuộn tự nhiên + canh nhẹ (proximity). */
html{-webkit-text-size-adjust:100%;scroll-snap-type:y proximity}
section{min-height:100dvh;display:flex;align-items:center;scroll-snap-align:center}
section>.container{width:100%}
@media (prefers-reduced-motion:reduce){html{scroll-snap-type:none}section{min-height:0}}
body{margin:0;background:var(--bg);color:var(--body);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none}
h1,h2,h3{font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);margin:0 0 .4em;font-weight:700;letter-spacing:-.025em;line-height:1.04}
h1{font-size:clamp(1.95rem,4.3vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.85rem,3.7vw,2.7rem);font-weight:700}
h3{font-size:1.18rem;letter-spacing:-.01em}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.accent{color:var(--green)}

/* Buttons (pill system, locked) */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Be Vietnam Pro',sans-serif;font-weight:600;font-size:1rem;
  padding:14px 26px;border-radius:999px;cursor:pointer;border:1.5px solid transparent;white-space:nowrap;
  transition:transform .14s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 12px 26px -10px rgba(4,122,82,.6)}
.btn-primary:hover{background:#03613f;transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(4,122,82,.6)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{border-color:var(--green-line);color:var(--green);transform:translateY(-2px)}

/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,248,247,.78);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid rgba(228,235,231,.7)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Be Vietnam Pro';font-weight:800;color:var(--ink);font-size:1.16rem;letter-spacing:-.03em}
.brand .logo{height:38px;width:auto;display:block;flex:none}
.nav-links{display:flex;gap:32px}
.nav-links a{color:var(--body);font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--ink)}
.nav-cta{display:flex;gap:11px;align-items:center}
@media (max-width:900px){.nav-links{display:none}.nav-cta .btn-ghost{display:none}}

/* HERO — asymmetric split */
.hero{position:relative;padding:72px 0 56px;overflow:hidden}
.hero::before{content:"";position:absolute;width:760px;height:760px;border-radius:50%;right:-300px;top:-340px;
  background:radial-gradient(circle,rgba(6,163,107,.16),transparent 62%);pointer-events:none}
.hero::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;left:-260px;bottom:-280px;
  background:radial-gradient(circle,rgba(4,122,82,.10),transparent 65%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.tagline{display:inline-flex;align-items:center;gap:9px;font-size:.86rem;font-weight:600;color:var(--green);
  background:var(--green-tint);border:1px solid var(--green-line);padding:7px 15px;border-radius:999px;margin-bottom:24px}
.hero h1{margin-bottom:20px}
.hero h1 em{font-style:italic;font-weight:800;color:var(--green);line-height:1.1;padding-bottom:.06em}
.hero .lead{font-size:1.2rem;color:var(--body);max-width:30ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.mini-trust{margin-top:30px;display:flex;gap:24px;flex-wrap:wrap;color:var(--muted);font-size:.92rem}
.mini-trust span{display:inline-flex;align-items:center;gap:8px}
.mini-trust svg{color:var(--green)}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:44px}.hero .lead{max-width:38ch}}

/* Phone (real mini app preview, not a fake screenshot) */
.stage{position:relative;display:flex;justify-content:center}
.phone{position:relative;z-index:2;width:300px;max-width:82vw;border-radius:46px;background:#0a1712;padding:12px;
  box-shadow:var(--sh-3);border:1px solid rgba(255,255,255,.05)}
.phone .notch{position:absolute;top:14px;left:50%;transform:translateX(-50%);width:104px;height:24px;background:#0a1712;border-radius:0 0 14px 14px;z-index:4}
.screen{border-radius:34px;overflow:hidden;background:var(--bg);position:relative}
.app-head{background:var(--green);background:linear-gradient(160deg,#06a36b,#047a52);color:#fff;padding:30px 18px 20px}
.app-head .row{display:flex;justify-content:space-between;align-items:center;font-size:.74rem;opacity:.92;font-weight:500}
.app-head .big{font-family:'Be Vietnam Pro';font-size:1.74rem;font-weight:800;letter-spacing:-.02em;margin:7px 0 2px}
.app-head .sub{font-size:.76rem;opacity:.9}
.app-head .track{height:7px;border-radius:7px;background:rgba(255,255,255,.22);margin-top:11px;overflow:hidden}
.app-head .track i{display:block;height:100%;width:64%;background:#fff;border-radius:7px}
.app-body{padding:14px;display:flex;flex-direction:column;gap:10px;min-height:212px}
.msg{padding:10px 13px;border-radius:15px;font-size:.81rem;line-height:1.45;max-width:88%;box-shadow:var(--sh-1)}
.msg.in{align-self:flex-start;background:#fff;border:1px solid var(--line);color:var(--ink);border-bottom-left-radius:5px}
.msg.in b{color:var(--green)}
.msg.out{align-self:flex-end;background:var(--green);color:#fff;border-bottom-right-radius:5px}
.chip{position:absolute;z-index:3;background:rgba(255,255,255,.78);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.9);border-radius:15px;padding:12px 14px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:11px}
.chip .ci{width:36px;height:36px;border-radius:11px;background:var(--green-tint);color:var(--green);display:grid;place-items:center;flex:none}
.chip b{display:block;font-family:'Be Vietnam Pro';font-weight:700;color:var(--ink);font-size:.9rem}
.chip span{font-size:.74rem;color:var(--muted)}
.chip.c1{top:38%;left:-28px}
.chip.c2{bottom:9%;right:-30px}
@media (prefers-reduced-motion:no-preference){.chip.c1{animation:bob 5s ease-in-out infinite}.chip.c2{animation:bob 5s ease-in-out infinite .9s}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-13px)}}
@media (max-width:640px){.chip{display:none}}

/* Capability strip (under hero, not a logo wall) */
.cap{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cap .container{display:flex;align-items:center;gap:14px 26px;flex-wrap:wrap;padding-top:22px;padding-bottom:22px}
.cap .label{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font-family:'Be Vietnam Pro';font-weight:600;font-size:.95rem}
.cap .label svg{color:var(--green)}
.cap .banks{display:flex;gap:10px;flex-wrap:wrap}
.cap .bank{font-size:.85rem;font-weight:600;color:var(--body);background:var(--surface-2);border:1px solid var(--line);padding:6px 13px;border-radius:9px}
.cap .more{color:var(--muted);font-size:.88rem}

/* Sections */
section{padding:46px 0;position:relative}
/* Nền động toàn trang: gradient xanh trôi nhẹ phía sau (cho đỡ trống) */
/* Nền AURORA: dải sáng xanh mờ xoay chậm như cực quang */
body::before{content:"";position:fixed;inset:-40%;z-index:-1;pointer-events:none;will-change:transform;
  background:conic-gradient(from 0deg at 50% 50%,
    rgba(9,185,124,.20), transparent 20%, rgba(14,165,165,.16) 45%, transparent 68%, rgba(5,137,93,.20) 100%);
  filter:blur(80px)}
@media (prefers-reduced-motion:no-preference){body::before{animation:aurora 40s linear infinite}}
@keyframes aurora{to{transform:rotate(360deg)}}
.head{max-width:34ch}
.head.center{margin:0 auto 36px;text-align:center;max-width:42ch}
.head p{color:var(--muted);font-size:1.08rem;margin-top:10px}

/* BENTO features */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:28px}
.tile{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:20px 22px;
  box-shadow:var(--sh-1);transition:transform .28s cubic-bezier(.33,1.3,.5,1),box-shadow .28s,border-color .28s;overflow:hidden}
.tile:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:var(--green-line)}
.tile .ic{width:42px;height:42px;border-radius:12px;background:var(--green-tint);color:var(--green);display:grid;place-items:center;margin-bottom:12px}
.tile .ic svg{width:22px;height:22px}
.tile h3{margin-bottom:5px;font-size:1.06rem}
.tile p{margin:0;color:var(--body);font-size:.9rem;line-height:1.5}
.t-a{grid-column:span 3;grid-row:span 2;display:flex;flex-direction:column}
.t-b{grid-column:span 3}
.t-c{grid-column:span 3}
.t-d{grid-column:span 2}
.t-e{grid-column:span 2}
.t-f{grid-column:span 2}
/* feature cell with dark accent */
.tile.dark{background:linear-gradient(155deg,#0a3022,#063d29 70%,#0a1712);border-color:transparent;color:#cfe9dd}
.tile.dark h3{color:#fff}
.tile.dark p{color:#bcd9cc}
.tile.dark .ic{background:rgba(255,255,255,.12);color:#7fe6b6}
/* mini visuals inside tiles */
.mini-sms{margin-top:auto;display:flex;flex-direction:column;gap:6px;padding-top:12px}
.mini-sms .bar{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:8px 11px;font-size:.74rem;color:var(--body);line-height:1.4}
.mini-sms .bar.hit{background:var(--green-tint);border-color:var(--green-line);color:var(--green-ink);font-weight:600;display:flex;align-items:center;gap:7px}
.mini-gauge{margin-top:12px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:11px 12px}
.mini-gauge .v{font-family:'Be Vietnam Pro';font-weight:800;font-size:1.2rem;color:var(--ink);letter-spacing:-.02em}
.mini-gauge .t{font-size:.74rem;color:var(--muted);margin-bottom:6px}
.mini-gauge .track{height:8px;border-radius:8px;background:#dfe8e3;overflow:hidden}
.mini-gauge .track i{display:block;height:100%;width:46%;background:linear-gradient(90deg,#06a36b,#047a52);border-radius:8px}
@media (max-width:880px){.bento{grid-template-columns:1fr}.t-a,.t-b,.t-c,.t-d,.t-e,.t-f{grid-column:auto;grid-row:auto}}

/* PROCESS — vertical numbered flow */
.flow{position:relative;max-width:760px;margin:48px auto 0;display:grid;gap:0}
.flow .row{display:grid;grid-template-columns:auto 1fr;gap:22px;padding:0 0 38px;position:relative}
.flow .row:last-child{padding-bottom:0}
.flow .num{width:52px;height:52px;border-radius:16px;background:var(--surface);border:1.5px solid var(--green-line);
  color:var(--green);font-family:'Be Vietnam Pro';font-weight:800;font-size:1.2rem;display:grid;place-items:center;z-index:2;box-shadow:var(--sh-1)}
.flow .row::before{content:"";position:absolute;left:25px;top:52px;bottom:-6px;width:2px;background:var(--green-line)}
.flow .row:last-child::before{display:none}
.flow .row h3{margin-bottom:4px}
.flow .row p{margin:0;color:var(--body)}

/* PROCESS split + step icons */
.proc-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:center}
@media (max-width:880px){.proc-grid{grid-template-columns:1fr;gap:34px}}
.proc-aside .stat-line{display:flex;align-items:center;gap:12px;margin-top:22px;padding:16px 18px;background:var(--green-tint);border:1px solid var(--green-line);border-radius:14px}
.proc-aside .stat-line .ic{width:40px;height:40px;border-radius:11px;background:var(--green);color:#fff;display:grid;place-items:center;flex:none}
.proc-aside .stat-line b{font-family:'Be Vietnam Pro';color:var(--ink)}
.flow .row .si{width:30px;height:30px;border-radius:9px;background:var(--green-tint);color:var(--green);display:inline-grid;place-items:center;vertical-align:middle;margin-right:9px}

/* DOWNLOAD benefits */
.dl-benes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:780px;margin:6px auto 32px}
@media (max-width:760px){.dl-benes{grid-template-columns:1fr}}
.dl-bene{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px 20px;text-align:center;box-shadow:var(--sh-1)}
.dl-bene .ic{width:48px;height:48px;border-radius:13px;background:var(--green-tint);color:var(--green);display:grid;place-items:center;margin:0 auto 13px}
.dl-bene b{font-family:'Be Vietnam Pro';color:var(--ink);display:block;margin-bottom:4px}
.dl-bene span{font-size:.88rem;color:var(--muted)}
.download.wide{max-width:920px}

/* SHOWCASE — image + text split */
.showcase{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.show-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.show-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;background:var(--surface-2);box-shadow:var(--sh-2)}
.show-media img{width:100%;height:100%;object-fit:cover}
.show-media .ph{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:.9rem;text-align:center;padding:20px;background:linear-gradient(160deg,var(--green-tint),var(--surface-2))}
.check{list-style:none;padding:0;margin:22px 0 28px}
.check li{display:flex;gap:13px;align-items:flex-start;margin-bottom:16px;color:var(--body)}
.check .ck{width:26px;height:26px;border-radius:8px;background:var(--green);color:#fff;display:grid;place-items:center;flex:none;margin-top:2px}
.check b{color:var(--ink)}
@media (max-width:880px){.show-grid{grid-template-columns:1fr;gap:36px}}

/* TRUST — full-width statement band */
.trust-band{background:linear-gradient(155deg,#0a3022,#053a27 65%,#08130e);color:#cfe9dd;border-radius:var(--r-lg);
  padding:64px 48px;position:relative;overflow:hidden}
.trust-band::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;right:-220px;top:-260px;background:radial-gradient(circle,rgba(127,230,182,.16),transparent 65%)}
.trust-band .inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.trust-band h2{color:#fff;max-width:18ch}
.trust-band p{color:#bcd9cc;max-width:46ch}
.trust-points{display:grid;gap:14px}
.tp{display:flex;gap:13px;align-items:flex-start;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:15px 17px}
.tp .ck{width:24px;height:24px;border-radius:7px;background:rgba(127,230,182,.18);color:#7fe6b6;display:grid;place-items:center;flex:none;margin-top:2px}
.tp b{color:#fff;font-family:'Be Vietnam Pro';font-size:.96rem}
.tp span{font-size:.86rem;color:#a9ccbd}
@media (max-width:880px){.trust-band{padding:44px 26px}.trust-band .inner{grid-template-columns:1fr;gap:30px}}

/* CTA / download */
.download{text-align:center;max-width:46ch;margin:0 auto}
.store-badges{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.store-badge{display:inline-flex;align-items:center;gap:11px;background:var(--ink);color:#fff;padding:13px 22px;border-radius:16px;font-family:'Be Vietnam Pro';font-weight:700;transition:transform .15s,background .2s}
.store-badge:hover{transform:translateY(-2px);background:#10241a}
.store-badge small{display:block;font-size:.66rem;opacity:.8;font-weight:500;font-family:'IBM Plex Sans'}
.store-badge span{font-size:1rem;line-height:1.1}
.coming{margin-top:18px;color:var(--muted);font-size:.88rem}

/* FAQ */
.faq{max-width:760px;margin:42px auto 0}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:2px 22px;margin-bottom:13px;transition:border-color .2s,box-shadow .2s}
.faq details[open]{border-color:var(--green-line);box-shadow:var(--sh-1)}
.faq summary{cursor:pointer;list-style:none;font-family:'Be Vietnam Pro';font-weight:600;color:var(--ink);padding:17px 0;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:10px;height:10px;border-right:2.5px solid var(--green);border-bottom:2.5px solid var(--green);transform:rotate(45deg);transition:transform .25s;flex:none}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq details p{margin:0;padding-bottom:18px;color:var(--body)}

/* Footer */
.footer{background:var(--ink);color:#9db5a8;padding:60px 0 30px;position:relative;overflow:hidden}
.footer::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;left:-200px;top:-300px;background:radial-gradient(circle,rgba(6,163,107,.14),transparent 65%)}
.footer .container{position:relative}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px}
.footer h4{color:#fff;font-family:'Be Vietnam Pro';font-size:.95rem;margin:0 0 16px}
.footer a{color:#9db5a8;display:block;margin-bottom:11px;font-size:.93rem}
.footer a:hover{color:#fff}
.footer .brand{color:#fff;margin-bottom:14px}
.footer .brand .logo{box-shadow:none}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:38px;padding-top:22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.86rem;color:#7a948a}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr;gap:26px}}

/* ===== AI VOICE SECTION ===== */
.ai{position:relative;overflow:hidden}
.ai .aurora{position:absolute;inset:0;z-index:0;pointer-events:none}
.ai .aurora span{position:absolute;border-radius:50%;filter:blur(72px)}
.ai .aurora .a1{width:400px;height:400px;background:rgba(9,185,124,.22);top:-90px;left:6%}
.ai .aurora .a2{width:360px;height:360px;background:rgba(5,137,93,.16);bottom:-120px;right:4%}
.ai .container{position:relative;z-index:1}
.ai-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:center}
@media (max-width:880px){.ai-grid{grid-template-columns:1fr;gap:40px}}
.voice{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 30px;box-shadow:var(--sh-2)}
.voice .mic{position:relative;width:88px;height:88px;margin:4px auto 26px;border-radius:50%;background:var(--green);display:grid;place-items:center;color:#fff;box-shadow:0 16px 32px -10px rgba(5,137,93,.6)}
.voice .mic svg{width:34px;height:34px}
.wave{display:flex;align-items:flex-end;justify-content:center;gap:5px;height:44px;margin-bottom:22px}
.wave i{width:5px;height:14px;border-radius:3px;background:var(--green-2)}
.voice .said{background:var(--green-tint);border:1px solid var(--green-line);border-radius:14px;padding:13px 16px;font-size:.95rem;color:var(--green-ink);text-align:center;margin-bottom:14px;font-weight:500}
.voice .down{display:grid;place-items:center;color:var(--muted);margin-bottom:14px}
.voice .booked{display:flex;align-items:center;gap:13px;background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:15px 16px}
.voice .booked .bk{width:42px;height:42px;border-radius:12px;background:var(--green);color:#fff;display:grid;place-items:center;flex:none}
.voice .booked b{font-family:'Be Vietnam Pro';color:var(--ink);display:block;font-size:1.02rem}
.voice .booked span{font-size:.82rem;color:var(--green);font-weight:600}
.callout{display:flex;gap:14px;align-items:flex-start;background:var(--green-tint);border:1px solid var(--green-line);border-radius:16px;padding:18px 20px;margin-top:24px}
.callout .ic{width:44px;height:44px;border-radius:12px;background:var(--green);color:#fff;display:grid;place-items:center;flex:none}
.callout b{color:var(--ink);font-family:'Be Vietnam Pro'}
.callout p{margin:.2em 0 0;font-size:.95rem}
.ai-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:13px}
.ai-list li{display:flex;gap:12px;align-items:flex-start;color:var(--body)}
.ai-list .ck{width:26px;height:26px;border-radius:8px;background:var(--green);color:#fff;display:grid;place-items:center;flex:none;margin-top:2px}
.ai-list b{color:var(--ink)}

/* Reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,1,.3,1)}
.reveal.in{opacity:1;transform:none}
/* stagger children inside a .stagger wrapper */
.stagger .reveal:nth-child(2){transition-delay:.08s}
.stagger .reveal:nth-child(3){transition-delay:.16s}
.stagger .reveal:nth-child(4){transition-delay:.24s}
.stagger .reveal:nth-child(5){transition-delay:.32s}
.stagger .reveal:nth-child(6){transition-delay:.40s}
/* gauge + track fill animate on reveal */
.mini-gauge .track i{width:0;transition:width 1.1s cubic-bezier(.2,1,.3,1) .25s}
.tile.in .mini-gauge .track i{width:82%}
.app-head .track i{width:0;transition:width 1.2s cubic-bezier(.2,1,.3,1) .4s}
.in .app-head .track i,.stage .app-head .track i{width:64%}

/* MOTION layer (gated) */
@media (prefers-reduced-motion:no-preference){
  .rise{opacity:0;transform:translateY(22px);animation:rise .75s cubic-bezier(.2,1,.3,1) forwards;animation-delay:var(--d,0s)}
  @keyframes rise{to{opacity:1;transform:none}}
  .hero::before{animation:drift1 19s ease-in-out infinite}
  .hero::after{animation:drift2 23s ease-in-out infinite}
  .ai .aurora .a1{animation:drift1 16s ease-in-out infinite}
  .ai .aurora .a2{animation:drift2 21s ease-in-out infinite}
  @keyframes drift1{0%,100%{transform:translate(0,0)}50%{transform:translate(-42px,32px)}}
  @keyframes drift2{0%,100%{transform:translate(0,0)}50%{transform:translate(34px,-26px)}}
  .voice .mic::before,.voice .mic::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--green);animation:ring 2.6s ease-out infinite}
  .voice .mic::after{animation-delay:1.3s}
  @keyframes ring{0%{transform:scale(1);opacity:.55}100%{transform:scale(2.2);opacity:0}}
  .wave i{animation:wv 1.1s ease-in-out infinite}
  .wave i:nth-child(1){animation-delay:0s}.wave i:nth-child(2){animation-delay:.09s}
  .wave i:nth-child(3){animation-delay:.18s}.wave i:nth-child(4){animation-delay:.27s}
  .wave i:nth-child(5){animation-delay:.36s}.wave i:nth-child(6){animation-delay:.27s}
  .wave i:nth-child(7){animation-delay:.18s}.wave i:nth-child(8){animation-delay:.09s}
  .wave i:nth-child(9){animation-delay:0s}
  @keyframes wv{0%,100%{height:12px;opacity:.5}50%{height:40px;opacity:1}}
  .btn-primary svg{transition:transform .2s}
  .btn-primary:hover svg{transform:translateY(2px)}
}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.btn,.tile,.store-badge{transition:none}.mini-gauge .track i{width:82%}.app-head .track i{width:64%}}

/* a11y */
:focus-visible{outline:3px solid rgba(4,122,82,.5);outline-offset:3px;border-radius:8px}
.skip{position:absolute;left:-999px}
.skip:focus{left:14px;top:14px;background:#fff;padding:10px 16px;border-radius:10px;z-index:100;box-shadow:var(--sh-2)}

/* Legal pages (shared) */
.legal{padding:56px 0 76px}
.legal-wrap{max-width:760px;margin:0 auto}
.legal h1{margin-bottom:6px}
.legal .updated{color:var(--muted);font-size:.9rem;margin-bottom:34px}
.legal h2{font-family:'Be Vietnam Pro';font-size:1.4rem;margin:38px 0 10px}
.legal h3{font-size:1.06rem;margin:22px 0 8px}
.legal p,.legal li{color:var(--body)}
.legal ul{padding-left:22px}.legal li{margin-bottom:8px}
.legal .box{background:var(--green-tint);border:1px solid var(--green-line);border-radius:14px;padding:18px 20px;margin:18px 0}
.legal .box p:last-child{margin:0}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 24px;margin-bottom:30px;box-shadow:var(--sh-1)}
.toc strong{color:var(--ink);font-family:'Be Vietnam Pro'}
.toc ol{margin:8px 0 0;padding-left:20px}.toc a{font-size:.94rem}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-2)}
.contact-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px}
.contact-row .ic{width:44px;height:44px;border-radius:12px;background:var(--green-tint);color:var(--green);display:grid;place-items:center;flex:none}
.contact-row b{color:var(--ink);display:block;font-family:'Be Vietnam Pro'}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;color:var(--ink);font-size:.9rem;margin-bottom:7px}
.field input,.field textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;font:inherit;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(4,122,82,.12)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
@media (max-width:820px){.grid2{grid-template-columns:1fr}}