/* ============================================================================
   Seyo.ai — shared stylesheet for inner pages (matches homepage brand)
   ============================================================================ */
:root{
  --paper:#E8EFD7; --paper-2:#DDE9C3; --panel:#F6FAEC;
  --ink:#14180F; --ink-2:#1B2113;
  --green:#3E6B2C; --green-mid:#5E8C2A; --green-bright:#8DC63F;
  --olive:#6B7A4E; --text:#23291B; --muted:#5C6450; --faint:#8A917A;
  --line:rgba(20,24,15,.14); --line-soft:rgba(20,24,15,.08);
  --maxw:1160px; --readw:760px;
  --sans:'Poppins',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);background:var(--paper);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(1100px 720px at 8% -10%, rgba(141,198,63,.22), transparent 56%),
    radial-gradient(960px 760px at 98% -4%, rgba(111,162,46,.16), transparent 55%),
    radial-gradient(1000px 900px at 78% 116%, rgba(94,140,42,.13), transparent 58%),
    radial-gradient(700px 700px at 50% 50%, rgba(255,255,255,.30), transparent 60%),
    linear-gradient(180deg,#EEF4E1 0%,#E6EED4 48%,#E1EBCB 100%)}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;mix-blend-mode:soft-light;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
::selection{background:var(--green-bright);color:var(--ink)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}

h1,h2,h3,h4,h5{font-family:var(--sans);font-weight:600;line-height:1.12;letter-spacing:-.02em;color:var(--ink)}
.label{font-size:11.5px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--green)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-weight:500;font-size:14.5px;padding:13px 24px;border-radius:12px;border:1px solid var(--ink);transition:background .3s,color .3s,transform .3s,box-shadow .3s;cursor:pointer}
.btn svg{width:15px;height:15px}
.btn:hover{transform:translateY(-1px)}
.btn-solid{background:var(--ink);color:var(--paper);box-shadow:0 12px 26px -14px rgba(20,24,15,.6)}
.btn-solid:hover{background:var(--green);border-color:var(--green);box-shadow:0 16px 30px -14px rgba(62,107,44,.6)}
.btn-line{background:rgba(255,255,255,.4);color:var(--ink);border-color:rgba(20,24,15,.25)}
.btn-line:hover{border-color:var(--ink)}

/* nav */
header.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s;border-bottom:1px solid transparent}
header.nav.scrolled{background:rgba(244,249,234,.65);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-bottom:1px solid rgba(255,255,255,.45);box-shadow:0 14px 34px -22px rgba(40,60,15,.45)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{font-weight:600;font-size:25px;letter-spacing:-.02em;color:var(--ink)}
.brand sup{font-size:10px;letter-spacing:.1em;color:var(--green);vertical-align:super;margin-left:2px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:14px;color:var(--muted);font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:14px}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:44px;height:44px;color:var(--ink);cursor:pointer}
.menu-toggle svg{width:20px;height:20px;margin:auto}

/* page header + breadcrumb */
.page-head{padding:128px 0 26px}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--faint);margin-bottom:20px}
.crumbs a{color:var(--green);font-weight:500}
.crumbs a:hover{text-decoration:underline}
.crumbs span.sep{color:var(--faint)}
.page-head h1{font-size:clamp(30px,4.4vw,50px);letter-spacing:-.025em;margin-bottom:14px}
.page-head h1 em{font-style:italic;color:var(--green)}
.page-head .lead{font-size:clamp(15.5px,1.4vw,18.5px);color:var(--muted);max-width:62ch}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:18px}
.badge{font-size:11.5px;font-weight:500;letter-spacing:.04em;color:var(--green);background:rgba(141,198,63,.16);border:1px solid rgba(62,107,44,.25);padding:6px 12px;border-radius:999px}
.badge.date{color:var(--muted);background:rgba(255,255,255,.5);border-color:var(--line)}

/* prose / article */
.prose{max-width:var(--readw);margin:0 auto;padding:8px 0 40px}
.prose>*+*{margin-top:18px}
.prose h2{font-size:clamp(21px,2.5vw,27px);margin-top:40px;margin-bottom:4px}
.prose h3{font-size:clamp(17.5px,2vw,21px);margin-top:30px}
.prose p{font-size:16px;color:var(--text)}
.prose strong{color:var(--ink-2)}
.prose ul,.prose ol{padding-left:22px;color:var(--text)}
.prose ol{list-style:none;counter-reset:li;padding-left:0}
.prose ol>li{counter-increment:li;position:relative;padding-left:38px;margin:11px 0}
.prose ol>li::before{content:counter(li);position:absolute;left:0;top:1px;width:25px;height:25px;border-radius:50%;background:var(--green);color:#fff;font-size:12.5px;font-weight:600;display:grid;place-items:center;line-height:1}
.prose ul{list-style-type:disc}
.prose li{font-size:16px;margin:9px 0;line-height:1.6}
.prose li::marker{color:var(--green)}
.prose blockquote{border-left:3px solid var(--green-bright);background:rgba(255,255,255,.45);padding:14px 18px;border-radius:8px;color:var(--ink-2);font-style:italic}
.prose a{color:var(--green);font-weight:500;border-bottom:1px solid rgba(62,107,44,.35)}
.prose hr{border:none;border-top:1px solid var(--line);margin:34px 0}
.callout{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.callout .label{margin-bottom:6px;display:block}

/* legal pages (privacy / terms) */
.legal-grid{display:grid;grid-template-columns:228px 1fr;gap:50px;align-items:start}
.legal-toc{position:sticky;top:96px}
.legal-toc .label{display:block;margin-bottom:13px}
.legal-toc ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:1px;max-height:74vh;overflow:auto}
.legal-toc a{display:block;padding:7px 12px;border-radius:8px;font-size:13px;color:var(--muted);border-left:2px solid transparent;line-height:1.35}
.legal-toc a:hover{color:var(--ink);background:rgba(255,255,255,.55);border-left-color:var(--green)}
.prose.legal{max-width:none;padding-top:0}
.prose.legal>*+*{margin-top:16px}
.prose.legal h2{scroll-margin-top:96px;font-size:clamp(19px,2.2vw,24px);margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.prose.legal h2:first-of-type{border-top:none;margin-top:0;padding-top:0}
@media(max-width:860px){
  .legal-grid{grid-template-columns:1fr;gap:18px}
  .legal-toc{position:static;max-height:none}
  .legal-toc ul{flex-direction:row;flex-wrap:wrap;gap:7px;max-height:none}
  .legal-toc a{border:1px solid var(--line);border-left:1px solid var(--line);border-radius:999px;padding:6px 13px;font-size:12.5px}
  .legal-toc a:hover{border-left-color:var(--line)}
}

/* section block */
.sec{padding:34px 0}
.sec.alt{background:rgba(255,255,255,.4);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}

/* step cards (how it works / how-to) */
.steps{display:grid;gap:16px;margin-top:8px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 24px;display:flex;gap:18px;align-items:flex-start}
.step .n{flex:none;width:38px;height:38px;border-radius:50%;background:var(--ink);color:var(--paper);font-weight:600;display:grid;place-items:center;font-size:15px}
.step h3{font-size:18px;margin-bottom:4px}
.step p{font-size:15px;color:var(--muted)}

/* listing (release notes / docs) */
.cards{display:grid;gap:14px;max-width:none;margin:4px auto 0}
.card-link{display:block;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 24px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card-link:hover{transform:translateY(-2px);box-shadow:0 18px 34px -22px rgba(40,60,15,.4);border-color:rgba(62,107,44,.4)}
.card-link .ct{display:flex;justify-content:space-between;gap:16px;align-items:baseline;flex-wrap:wrap}
.card-link h3{font-size:18.5px}
.card-link .d{font-size:12.5px;color:var(--faint);white-space:nowrap}
.card-link p{font-size:14.5px;color:var(--muted);margin-top:8px}
.card-link .more{display:inline-flex;align-items:center;gap:7px;margin-top:12px;font-size:13px;font-weight:500;color:var(--green);white-space:nowrap}
.card-link .more svg{width:15px;height:15px;flex:none}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:var(--maxw);margin-top:10px}
.contact-info .ci{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px}
.contact-info .ci svg{width:20px;height:20px;color:var(--green);flex:none;margin-top:3px}
.contact-info .ci .k{font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--faint)}
.contact-info .ci .v{font-size:16px;color:var(--ink-2);font-weight:500}
.form{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px}
.form label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
.form input,.form textarea{width:100%;font-family:var(--sans);font-size:15px;color:var(--ink);background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--green)}
.form .btn{margin-top:20px;width:100%;justify-content:center}
.form-status{margin-top:14px;font-size:14px;font-weight:500;text-align:center}

/* faq accordion */
.faq-wrap{max-width:var(--readw);margin:6px auto 0}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:22px;padding:22px 4px;font-weight:600;font-size:clamp(16px,1.6vw,19px);line-height:1.3;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q-ic{flex:none;width:27px;height:27px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--green);transition:.3s}
.faq-item summary .q-ic svg{width:14px;height:14px}
.faq-item[open] summary .q-ic{transform:rotate(45deg);background:var(--green);color:#fff;border-color:var(--green)}
.faq-item .faq-a{padding:0 4px 24px;max-width:70ch}
.faq-item .faq-a p{font-size:15.5px;color:var(--muted);line-height:1.7}

/* demo video */
.demo-video{margin:26px auto;max-width:360px}
.demo-video video{width:100%;height:auto;border-radius:16px;border:1px solid var(--line);box-shadow:0 18px 40px -26px rgba(40,60,15,.45);background:#0c0f08;display:block}
.demo-video figcaption{text-align:center;font-size:12.5px;letter-spacing:.02em;color:var(--faint);margin-top:12px}

/* demo modal */
.modal-ov{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(12,16,9,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.modal-ov[aria-hidden="false"]{display:flex}
.modal-card{position:relative;width:100%;max-width:460px;max-height:92vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:30px clamp(22px,4vw,34px);box-shadow:0 40px 90px -30px rgba(20,24,15,.6);animation:modalin .3s ease}
@keyframes modalin{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.modal-card h3{font-size:25px;margin:8px 0 6px;letter-spacing:-.02em}
.modal-card>p{font-size:14.5px;color:var(--muted);margin-bottom:4px}
.modal-x{position:absolute;top:15px;right:15px;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.6);color:var(--ink);cursor:pointer;display:grid;place-items:center}
.modal-x svg{width:16px;height:16px}
.mform label{display:block;font-size:13px;color:var(--muted);margin:12px 0 6px}
.mform input,.mform textarea{width:100%;font-family:var(--sans);font-size:15px;color:var(--ink);background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:10px;padding:11px 13px}
.mform input:focus,.mform textarea:focus{outline:none;border-color:var(--green)}
.mform .btn{margin-top:18px;width:100%;justify-content:center}

/* CTA band */
.cta{padding:60px 0 70px}
.cta-inner{background:linear-gradient(135deg,var(--ink) 0%,#243018 100%);color:var(--paper);border-radius:24px;padding:48px clamp(28px,5vw,60px);display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta-inner h2{color:var(--paper);font-size:clamp(24px,3vw,36px)}
.cta-inner h2 em{font-style:italic;color:var(--green-bright)}
.cta-inner p{color:rgba(255,255,255,.8);font-size:15px;max-width:42ch;margin-top:8px}
.cta-inner .btn-solid{background:var(--green-bright);color:var(--ink);border-color:var(--green-bright)}
.cta-inner .btn-solid:hover{background:#fff;border-color:#fff}
.cta-inner .btn-line{color:var(--paper);border-color:rgba(255,255,255,.4);background:transparent}

/* footer */
footer{border-top:1px solid var(--line);margin-top:30px;padding:54px 0 30px}
.foot-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px}
.foot-brand p{font-size:14px;color:var(--muted);margin:12px 0;max-width:34ch}
.foot-brand .mail{font-size:14px;color:var(--green);font-weight:500}
.foot-col h5{font-size:13px;letter-spacing:.04em;margin-bottom:14px;color:var(--ink)}
.foot-col a{display:block;font-size:14px;color:var(--muted);margin:9px 0;transition:color .2s}
.foot-col a:hover{color:var(--ink)}
.socials{display:flex;gap:12px;margin-top:4px}
.socials a{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;color:var(--ink);transition:.2s}
.socials a:hover{background:var(--ink);color:var(--paper)}
.socials svg{width:17px;height:17px}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:22px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--faint)}
.foot-bottom a{color:var(--green);font-weight:500}

@media(max-width:860px){
  .nav-links{position:fixed;inset:74px 0 auto 0;flex-direction:column;gap:0;background:rgba(244,249,234,.97);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);padding:10px 0;transform:translateY(-130%);transition:transform .35s;align-items:stretch}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 32px;border-bottom:1px solid var(--line-soft)}
  .menu-toggle{display:grid}
  .nav-cta .btn-solid{display:none}
  .contact-grid{grid-template-columns:1fr;gap:26px}
  .foot-top{grid-template-columns:1fr;gap:26px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}