/* ============================================================
   ThisScan — landing stylesheet
   Light/dark via [data-theme]; brand: sky blue + cyan accent (как в приложении)
   ============================================================ */

:root{
  --bg:#F3F6F8; --surface:#FFFFFF; --surface-2:#EAF1F5;
  --ink:#0D1B22; --ink-soft:#4A5E68; --ink-faint:#7C8E97;
  --line:#D5DFE5; --line-strong:#BFCDD5;
  --accent:#1E93C7; --accent-strong:#32ACDF; --accent-ink:#0B5C7E;
  --beam:#00D4FF; --beam-glow:rgba(0,212,255,.35);
  --shadow:0 1px 2px rgba(13,27,34,.05), 0 12px 30px -12px rgba(13,27,34,.14);
  --maxw:1120px; --r-card:18px; --r-btn:12px;
  --f-sans:'Manrope',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
:root[data-theme="dark"]{
  --bg:#07141B; --surface:#0D1E27; --surface-2:#122733;
  --ink:#E8F2F7; --ink-soft:#9FB4BE; --ink-faint:#6F858F;
  --line:#1C3340; --line-strong:#27434F;
  --accent:#32ACDF; --accent-strong:#5CC4EA; --accent-ink:#BDEBFA;
  --beam:#00D4FF; --beam-glow:rgba(0,212,255,.28);
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 18px 40px -18px rgba(0,0,0,.7);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#07141B; --surface:#0D1E27; --surface-2:#122733;
    --ink:#E8F2F7; --ink-soft:#9FB4BE; --ink-faint:#6F858F;
    --line:#1C3340; --line-strong:#27434F;
    --accent:#32ACDF; --accent-strong:#5CC4EA; --accent-ink:#BDEBFA;
    --beam:#00D4FF; --beam-glow:rgba(0,212,255,.28);
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 18px 40px -18px rgba(0,0,0,.7);
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }
body{ margin:0; background:var(--bg); color:var(--ink); font-family:var(--f-sans); font-size:16px; line-height:1.65; -webkit-font-smoothing:antialiased; overflow-x:hidden }
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px}
:focus-visible{outline:2.5px solid var(--accent); outline-offset:3px; border-radius:4px}

.eyebrow{ font-family:var(--f-mono); font-weight:700; font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--accent) }
h1,h2,h3{ line-height:1.08; letter-spacing:-.02em; font-weight:800; margin:0 }
h2{ font-size:clamp(1.7rem,3.4vw,2.5rem) }
h3{ font-size:1.1rem; font-weight:700; letter-spacing:-.01em }
.lead{ color:var(--ink-soft); font-size:clamp(1.02rem,1.6vw,1.18rem) }
.muted{ color:var(--ink-faint) }
.accent{ color:var(--accent) }

/* Header */
.site-head{ position:sticky; top:0; z-index:50; background:color-mix(in srgb, var(--bg) 84%, transparent); backdrop-filter:saturate(160%) blur(12px); -webkit-backdrop-filter:saturate(160%) blur(12px); border-bottom:1px solid var(--line) }
.site-head .wrap{ display:flex; align-items:center; gap:18px; height:64px }
.brand{ font-weight:800; font-size:1.25rem; letter-spacing:-.03em; display:inline-flex; align-items:center; gap:8px }
.brand .mark{ width:26px; height:26px; color:var(--accent-strong) }
.nav{ display:flex; gap:4px; margin-left:auto }
.nav a{ font-size:.9rem; font-weight:600; color:var(--ink-soft); padding:8px 12px; border-radius:8px; transition:color .15s, background .15s }
.nav a:hover{ color:var(--ink); background:var(--surface-2) }
.head-tools{ display:flex; gap:8px; align-items:center }
.tbtn{ font-family:var(--f-mono); font-weight:700; font-size:.74rem; letter-spacing:.06em; background:var(--surface); color:var(--ink); border:1px solid var(--line-strong); height:36px; min-width:44px; padding:0 10px; border-radius:9px; cursor:pointer; display:inline-flex; align-items:center; justify-content:center; gap:6px; transition:border-color .15s }
.tbtn:hover{ border-color:var(--accent) }
.tbtn svg{ width:16px; height:16px; display:block }
.i-sun{display:none} .i-moon{display:block}
:root[data-theme="dark"] .i-sun{display:block} :root[data-theme="dark"] .i-moon{display:none}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .i-sun{display:block} :root:not([data-theme="light"]) .i-moon{display:none} }
@media (max-width:760px){ .nav{display:none} }

/* Hero */
.hero{ padding:clamp(48px,8vw,100px) 0 clamp(40px,6vw,72px) }
.hero-grid{ display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr); gap:clamp(32px,5vw,72px); align-items:center }
.hero h1{ font-size:clamp(2.3rem,5.6vw,4.1rem); margin:18px 0 0; line-height:1.02; letter-spacing:-.035em }
.hero .lead{ margin:22px 0 0; max-width:40ch }
.cta-row{ display:flex; flex-wrap:wrap; gap:14px; align-items:center; margin-top:30px }
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; height:48px; padding:0 22px; border-radius:var(--r-btn); font-weight:700; font-size:.98rem; border:1px solid transparent; transition:transform .1s, background .15s, border-color .15s }
.btn:active{ transform:translateY(1px) }
.btn-primary{ background:var(--accent-strong); color:#fff }
.btn-primary:hover{ background:var(--accent) }
.btn-secondary{ background:var(--surface); color:var(--ink); border-color:var(--line-strong) }
.btn-secondary:hover{ border-color:var(--accent) }
.store-badge{ display:inline-flex; flex-direction:column; justify-content:center; height:52px; padding:0 18px 0 46px; border-radius:12px; background:var(--ink); color:var(--bg); position:relative; line-height:1.1 }
.store-badge small{ font-size:.66rem; opacity:.8 } .store-badge strong{ font-size:1.05rem }
.store-badge::before{ content:""; position:absolute; left:14px; top:50%; width:22px; height:22px; transform:translateY(-50%); background:currentColor; -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M16.4 12.6c0-2 1.7-3 1.7-3.1-1-1.4-2.4-1.6-2.9-1.6-1.3-.1-2.4.7-3 .7-.7 0-1.6-.7-2.7-.7-1.4 0-2.7.8-3.4 2.1-1.5 2.5-.4 6.3 1 8.3.7 1 1.5 2.1 2.6 2.1s1.4-.7 2.7-.7 1.6.7 2.7.7 1.8-1 2.5-2c.8-1.1 1.1-2.2 1.1-2.3-.1 0-2.3-.9-2.3-3.5zM14.5 6.5c.6-.7 1-1.7.9-2.7-.9 0-1.9.6-2.5 1.3-.6.6-1 1.6-.9 2.6 1 .1 1.9-.5 2.5-1.2z'/%3E%3C/svg%3E") center/contain no-repeat; mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M16.4 12.6c0-2 1.7-3 1.7-3.1-1-1.4-2.4-1.6-2.9-1.6-1.3-.1-2.4.7-3 .7-.7 0-1.6-.7-2.7-.7-1.4 0-2.7.8-3.4 2.1-1.5 2.5-.4 6.3 1 8.3.7 1 1.5 2.1 2.6 2.1s1.4-.7 2.7-.7 1.6.7 2.7.7 1.8-1 2.5-2c.8-1.1 1.1-2.2 1.1-2.3-.1 0-2.3-.9-2.3-3.5zM14.5 6.5c.6-.7 1-1.7.9-2.7-.9 0-1.9.6-2.5 1.3-.6.6-1 1.6-.9 2.6 1 .1 1.9-.5 2.5-1.2z'/%3E%3C/svg%3E") center/contain no-repeat }
.store-note{ margin:12px 0 0; font-size:.86rem; color:var(--ink-faint) }

/* Phone mockup (placeholder until the real hero image arrives) */
.mockup{ position:relative; margin:0 auto; width:min(300px,80%); aspect-ratio:9/19; border-radius:44px; background:linear-gradient(160deg,#32ACDF,#1E93C7); box-shadow:var(--shadow), 0 0 0 10px var(--surface), 0 0 0 11px var(--line); display:grid; place-items:center; overflow:hidden }
.mockup::before{ content:""; position:absolute; top:14px; left:50%; width:36%; height:22px; transform:translateX(-50%); border-radius:12px; background:#0D1B22 }
.reticle{ width:62%; aspect-ratio:1; position:relative }
.reticle::before,.reticle::after,.reticle i::before,.reticle i::after{ content:""; position:absolute; width:26%; height:26%; border:4px solid #fff; border-radius:8px }
.reticle::before{ top:0; left:0; border-right:0; border-bottom:0 }
.reticle::after{ top:0; right:0; border-left:0; border-bottom:0 }
.reticle i::before{ bottom:0; left:0; border-right:0; border-top:0 }
.reticle i::after{ bottom:0; right:0; border-left:0; border-top:0 }
.reticle .beam{ position:absolute; left:8%; right:8%; height:3px; top:50%; background:var(--beam); box-shadow:0 0 14px var(--beam-glow); border-radius:2px; animation:scan 2.4s ease-in-out infinite }
@keyframes scan{ 0%,100%{ transform:translateY(-120%) } 50%{ transform:translateY(120%) } }
@media (prefers-reduced-motion: reduce){ .reticle .beam{ animation:none } }
.mock-word{ position:absolute; bottom:12%; left:0; right:0; text-align:center; color:#fff; font-weight:800; font-size:1.5rem; letter-spacing:-.02em }
.mock-word .accent{ color:var(--beam) }

/* Sections */
section{ padding:clamp(48px,7vw,88px) 0 }
.sec-head{ max-width:62ch; margin-bottom:34px }
.sec-head h2{ margin-top:10px }
.sec-head .lead{ margin-top:12px }
.grid{ display:grid; gap:18px }
.grid-3{ grid-template-columns:repeat(3,minmax(0,1fr)) }
.grid-2{ grid-template-columns:repeat(2,minmax(0,1fr)) }
@media (max-width:900px){ .grid-3{ grid-template-columns:repeat(2,minmax(0,1fr)) } .hero-grid{ grid-template-columns:1fr } .mockup{ margin-top:10px } }
@media (max-width:600px){ .grid-3,.grid-2{ grid-template-columns:1fr } }
.card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--r-card); padding:22px; box-shadow:var(--shadow) }
.card .ic{ width:40px; height:40px; border-radius:11px; background:var(--surface-2); color:var(--accent); display:grid; place-items:center; margin-bottom:14px }
.card .ic svg{ width:20px; height:20px }
.card p{ margin:8px 0 0; color:var(--ink-soft); font-size:.95rem }

/* Steps */
.steps{ counter-reset:s }
.step{ display:grid; grid-template-columns:auto 1fr; gap:16px; align-items:start; background:var(--surface); border:1px solid var(--line); border-radius:var(--r-card); padding:20px }
.step .n{ counter-increment:s; font-family:var(--f-mono); font-weight:700; color:#fff; background:var(--accent-strong); border-radius:9px; width:34px; height:34px; display:grid; place-items:center }
.step .n::before{ content:counter(s) }
.step p{ margin:6px 0 0; color:var(--ink-soft); font-size:.95rem }

/* Pricing */
.plans{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px }
@media (max-width:900px){ .plans{ grid-template-columns:1fr } }
.plan{ background:var(--surface); border:1px solid var(--line); border-radius:var(--r-card); padding:26px 24px; box-shadow:var(--shadow); position:relative; display:flex; flex-direction:column }
.plan.featured{ border-color:var(--accent-strong); box-shadow:0 0 0 1px var(--accent-strong), var(--shadow) }
.plan .tag{ position:absolute; top:-12px; left:22px; font-family:var(--f-mono); font-size:.68rem; letter-spacing:.12em; text-transform:uppercase; font-weight:700; background:var(--accent-strong); color:#fff; padding:4px 10px; border-radius:999px }
.plan h3{ font-size:1rem; color:var(--ink-soft); font-weight:600 }
.plan .price{ font-size:2.4rem; font-weight:800; letter-spacing:-.03em; margin-top:8px }
.plan .per{ color:var(--ink-faint); font-size:.9rem }
.plan .trial{ display:inline-block; margin-top:10px; font-weight:700; color:var(--accent); font-size:.9rem }
.plan ul{ margin:18px 0 0; padding:0; list-style:none; color:var(--ink-soft); font-size:.95rem; display:grid; gap:8px; flex:1 }
.plan li{ padding-left:22px; position:relative }
.plan li::before{ content:"✓"; position:absolute; left:0; color:var(--accent); font-weight:800 }
.plan .btn{ margin-top:22px; width:100% }
.plan .btn + .btn{ margin-top:10px }
.fine{ margin-top:22px; font-size:.86rem; color:var(--ink-faint); max-width:78ch }
.free-note{ background:var(--surface-2); border:1px dashed var(--line-strong); border-radius:var(--r-card); padding:16px 20px; margin-bottom:24px; color:var(--ink-soft); font-size:.95rem }

/* FAQ */
.faq details{ background:var(--surface); border:1px solid var(--line); border-radius:14px; padding:0 20px; margin-bottom:10px }
.faq summary{ cursor:pointer; font-weight:700; padding:16px 0; list-style:none; display:flex; justify-content:space-between; align-items:center }
.faq summary::after{ content:"+"; color:var(--accent); font-weight:800; font-size:1.3rem }
.faq details[open] summary::after{ content:"–" }
.faq details p{ margin:0 0 16px; color:var(--ink-soft) }

/* Footer */
.site-foot{ border-top:1px solid var(--line); padding:34px 0 44px; color:var(--ink-faint); font-size:.9rem }
.site-foot .wrap{ display:flex; flex-wrap:wrap; gap:14px 28px; align-items:center; justify-content:space-between }
.foot-links{ display:flex; flex-wrap:wrap; gap:8px 20px }
.foot-links a:hover{ color:var(--ink) }

/* Legal pages */
.legal{ max-width:78ch; margin:0 auto; padding:clamp(40px,6vw,72px) 24px }
.legal h1{ font-size:clamp(1.9rem,4vw,2.6rem) }
.legal .updated{ color:var(--ink-faint); font-size:.9rem; margin-top:10px }
.legal h2{ font-size:1.3rem; margin-top:36px }
.legal p,.legal li{ color:var(--ink-soft) }
.legal ul{ padding-left:22px }
.legal .back{ display:inline-block; margin-top:36px; color:var(--accent); font-weight:700 }