/* ============================================================
   Arynto — teaser landing · product-first (Apple-style)
   Near-monochrome on white/#f5f5f7 · one quiet violet accent · Inter · big whitespace.
   ============================================================ */

:root{
  --bg:#ffffff; --bg-2:#f5f5f7;
  --ink:#1d1d1f; --ink-2:#4a4a51; --muted:#86868b;
  --line:#e6e6eb; --line-2:#d6d6dd;
  --accent:#7257EA; --accent-d:#5b41cf; --accent-soft:#efeafd;
  --maxw:1080px; --pad:clamp(20px,5vw,40px); --radius:22px;
  --sh:0 14px 44px -16px rgba(20,18,50,.18);
  --f:"Inter",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--ink-2);font-family:var(--f);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;}
h1,h2,h3{color:var(--ink);margin:0;font-weight:700;letter-spacing:-0.03em;line-height:1.06;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
.sprite{position:absolute;width:0;height:0;overflow:hidden;}
.ico{width:22px;height:22px;display:block;color:inherit;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* nav (sticky, translucent) */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:20px;padding:12px clamp(20px,5vw,44px);
  background:rgba(255,255,255,.78);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line);}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{display:inline-flex;}
.brand-word{font-weight:700;font-size:20px;letter-spacing:-0.02em;color:var(--ink);}
.nav-links{margin-left:auto;display:flex;gap:28px;}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--ink-2);transition:color .2s;}
.nav-links a:hover{color:var(--accent);}
.nav-cta{font-weight:600;font-size:14px;color:#fff;background:var(--accent);padding:9px 17px;border-radius:980px;transition:background .2s,transform .15s;}
.nav-cta:hover{background:var(--accent-d);transform:translateY(-1px);}

/* section bands */
.sec{padding:clamp(74px,11vw,148px) var(--pad);}
.sec--alt{background:var(--bg-2);}
.inner{max-width:var(--maxw);margin:0 auto;}
.center{text-align:center;}
.eyebrow{font-size:13.5px;font-weight:600;letter-spacing:.01em;color:var(--accent);margin-bottom:16px;}
h1{font-size:clamp(40px,7vw,80px);font-weight:800;letter-spacing:-0.045em;line-height:1.03;margin-bottom:20px;}
h2{font-size:clamp(30px,5vw,52px);font-weight:800;letter-spacing:-0.035em;line-height:1.06;margin-bottom:18px;}
h3{font-size:19px;font-weight:600;letter-spacing:-0.01em;}
.accent{color:var(--accent);}
.lead{font-size:clamp(17px,2vw,21px);line-height:1.5;color:var(--muted);max-width:32em;margin:0 auto 30px;}

/* shots */
.shot{margin-top:clamp(40px,6vw,72px);}
.shot img{display:block;margin:0 auto;height:auto;}
.hero-shot img{width:min(760px,100%);}
.app-shot img{width:min(320px,78%);}
.cov-shot img{width:min(440px,90%);}

/* forms */
.cta-form{display:flex;gap:10px;max-width:440px;margin:0 auto;flex-wrap:wrap;justify-content:center;}
.cta-form input{flex:1 1 240px;min-width:0;background:#fff;border:1px solid var(--line-2);border-radius:980px;color:var(--ink);font-family:var(--f);font-size:16px;padding:14px 22px;transition:border-color .2s,box-shadow .2s;}
.cta-form input::placeholder{color:#a3a3ab;}
.cta-form input:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);}
.cta-form button{flex:0 0 auto;cursor:pointer;border:0;border-radius:980px;font-family:var(--f);font-weight:600;font-size:16px;color:#fff;padding:14px 26px;background:var(--accent);transition:transform .15s,background .2s;}
.cta-form button:hover{background:var(--accent-d);transform:translateY(-1px);}
.cta-form button:active{transform:translateY(0);}
.cta-form button:disabled{opacity:.55;cursor:default;transform:none;}
.form-note{margin:14px auto 0;font-size:13.5px;color:var(--muted);}
.form-note.is-ok{color:#1d9d63;}
.form-note.is-err{color:#e0483b;}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{display:flex;flex-direction:column;align-items:center;gap:8px;}
.stat-num{font-size:clamp(40px,6vw,66px);font-weight:800;letter-spacing:-0.04em;color:var(--ink);line-height:1;}
.stat-label{font-size:14.5px;color:var(--muted);max-width:13em;}

/* coverage chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:clamp(28px,4vw,40px);}
.chip{font-size:14px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:980px;padding:9px 16px;}
.chip-more{color:var(--accent);border-color:var(--accent-soft);background:var(--accent-soft);font-weight:600;}

/* how */
.steps{list-style:none;margin:clamp(42px,5vw,62px) 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,3vw,44px);}
.step{display:flex;flex-direction:column;align-items:center;}
.step-ico{display:grid;place-items:center;width:60px;height:60px;border-radius:18px;background:var(--accent-soft);color:var(--accent);margin-bottom:18px;}
.step-ico .ico{width:28px;height:28px;}
.step h3{font-size:20px;margin-bottom:9px;}
.step p{color:var(--ink-2);font-size:15px;max-width:18em;}

/* features */
.f-grid{margin-top:clamp(42px,5vw,62px);display:grid;grid-template-columns:repeat(3,1fr);gap:18px;text-align:left;}
.feature{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 26px;transition:box-shadow .25s,transform .25s;}
.feature:hover{box-shadow:var(--sh);transform:translateY(-3px);}
.f-ico{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;background:var(--accent-soft);color:var(--accent);margin-bottom:16px;}
.f-ico .ico{width:23px;height:23px;}
.feature h3{font-size:18px;margin-bottom:8px;}
.feature p{color:var(--ink-2);font-size:14.5px;line-height:1.55;}

/* who */
.p-grid{margin-top:clamp(42px,5vw,62px);display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.persona{display:flex;flex-direction:column;align-items:center;}
.p-ico{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;background:var(--accent-soft);color:var(--accent);margin-bottom:14px;}
.p-ico .ico{width:27px;height:27px;}
.persona h3{font-size:18px;margin-bottom:7px;}
.persona p{color:var(--ink-2);font-size:14px;max-width:15em;}

/* decode */
.decode-row{list-style:none;margin:clamp(26px,3vw,38px) 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:clamp(18px,4vw,52px);}
.decode-row li{display:flex;flex-direction:column;align-items:center;gap:8px;}
.d-letter{font-size:clamp(50px,9vw,104px);font-weight:800;letter-spacing:-0.05em;color:var(--ink);line-height:.9;}
.d-pair .d-letter{letter-spacing:-0.06em;}
.d-word{font-size:clamp(14px,1.7vw,18px);font-weight:600;color:var(--muted);}
.decode-line{margin-top:34px;font-size:clamp(18px,2.3vw,25px);font-weight:600;color:var(--ink);}

/* footer */
.foot{background:var(--bg-2);border-top:1px solid var(--line);padding:clamp(46px,6vw,72px) var(--pad) clamp(40px,5vw,56px);}
.foot-top{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.foot-tag{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:var(--ink-2);transition:color .2s;}
.foot-links a:hover{color:var(--accent);}
.foot-legal{margin-top:30px;font-size:13px;color:var(--muted);}

/* motion */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}

/* responsive */
@media(max-width:920px){
  .nav-links{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);gap:34px 18px;}
  .f-grid{grid-template-columns:repeat(2,1fr);}
  .p-grid{grid-template-columns:repeat(2,1fr);gap:34px 18px;}
  .steps{grid-template-columns:1fr;gap:40px;}
}
@media(max-width:560px){
  body{font-size:16px;}
  .nav-cta{display:none;}
  .f-grid{grid-template-columns:1fr;}
  .p-grid{grid-template-columns:1fr;gap:36px;}
  .stats{grid-template-columns:1fr;gap:38px;}
  .cta-form button{flex:1 1 100%;}
  .foot-top{flex-direction:column;}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}