/* ============================================================
   Invutech AI — marketing design system  (v2, 2026)
   Premium B2B SaaS. Inter + Sora. Keeps the v1 class/var contract
   so signup/signin keep working, but overhauls the visual language.
   ============================================================ */
:root{
  /* brand */
  --ink:#0A0E1A; --navy:#0F1729; --navy-2:#070B14;
  --blue:#2563EB; --blue-600:#1D4ED8; --blue-700:#1E40AF; --blue-light:#60A5FA; --blue-bg:#EAF1FF;
  --green:#0F7A4A; --green-bright:#10B981; --green-bg:#E7F6EE; --emerald:#059669;
  /* surfaces */
  --bg:#F6F8FC; --surface:#FFFFFF; --surface-2:#FBFCFE;
  --line:#EAEDF3; --line-2:#E1E5EE;
  /* text */
  --text:#0C1322; --sub:#54607A; --mute:#8A93A6; --faint:#AEB6C6;
  /* system */
  --maxw:1180px; --radius:14px; --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(12,19,34,.06);
  --shadow:0 2px 6px rgba(12,19,34,.05), 0 14px 38px rgba(12,19,34,.07);
  --shadow-lg:0 30px 70px rgba(12,19,34,.16);
  --grad-brand:linear-gradient(120deg,#2563EB 0%,#1D4ED8 45%,#10B981 130%);
  --grad-ink:linear-gradient(165deg,#111A30 0%,#0A0E1A 100%);
  --font:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --display:'Sora','Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--surface);
  line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ── type ───────────────────────────────────────────────── */
h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.025em;line-height:1.08;margin:0;font-weight:700;color:var(--text)}
h1{font-size:clamp(34px,5.4vw,60px);font-weight:800;letter-spacing:-.035em}
h2{font-size:clamp(28px,3.8vw,42px);font-weight:700;letter-spacing:-.03em}
h3{font-size:19px;font-weight:700;font-family:var(--font);letter-spacing:-.01em}
p{margin:0}
.lead{font-size:clamp(16px,1.4vw,19px);color:var(--sub);line-height:1.65}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--blue-600);background:var(--blue-bg);padding:7px 14px;border-radius:99px;
  border:1px solid #DBE6FF}
.eyebrow.green{color:var(--green);background:var(--green-bg);border-color:#CDEBD6}

/* ── buttons ────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:600;font-size:15px;
  font-family:var(--font);padding:13px 22px;border-radius:11px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .12s ease,box-shadow .18s ease,background .18s ease;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 6px 18px rgba(10,14,26,.18)}
.btn-primary:hover{box-shadow:0 12px 28px rgba(10,14,26,.28)}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:0 8px 22px rgba(37,99,235,.32)}
.btn-brand:hover{box-shadow:0 14px 34px rgba(37,99,235,.42)}
.btn-green{background:var(--green-bright);color:#04261A;box-shadow:0 8px 22px rgba(16,185,129,.3)}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue-600)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.22)}
.btn-light:hover{background:rgba(255,255,255,.2)}
.btn-lg{padding:16px 28px;font-size:16px;border-radius:13px}

/* ── logo ───────────────────────────────────────────────── */
.logo{display:flex;align-items:center;gap:10px}
.logo .bars{display:flex;align-items:flex-end;gap:3px;height:26px}
.logo .bars span{width:4px;border-radius:2px;animation:eq 1.6s ease-in-out infinite}
.logo .bars span:nth-child(2){animation-delay:.2s}
.logo .bars span:nth-child(3){animation-delay:.4s}
.logo .bars span:nth-child(4){animation-delay:.3s}
.logo .bars span:nth-child(5){animation-delay:.1s}
@keyframes eq{0%,100%{transform:scaleY(1)}50%{transform:scaleY(.62)}}
@media(prefers-reduced-motion:reduce){.logo .bars span{animation:none}}
.logo .wordmark{font-family:var(--display);font-size:19px;font-weight:800;color:var(--navy);letter-spacing:-.03em}
.logo .wordmark em{color:var(--green);font-style:normal}

/* ── announcement bar ───────────────────────────────────── */
.topbar{background:var(--grad-ink);color:#E7ECF6;font-size:13px;text-align:center;padding:9px 16px;font-weight:500}
.topbar a{color:#fff;font-weight:700;text-decoration:underline;text-underline-offset:2px}
.topbar .spark{color:var(--green-bright);font-weight:700}

/* ── nav ────────────────────────────────────────────────── */
header.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.78);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:18px}
.nav-links{display:flex;align-items:center;gap:28px;font-size:14.5px;font-weight:500;color:var(--sub)}
.nav-links a.lnk:hover{color:var(--text)}
.nav-cta{background:var(--ink);color:#fff !important;padding:10px 18px;border-radius:10px;font-weight:600;
  box-shadow:0 6px 16px rgba(10,14,26,.16);transition:transform .12s,box-shadow .18s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(10,14,26,.26)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;color:var(--text)}
.nav-toggle svg{width:24px;height:24px}
@media(max-width:840px){
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:min(80vw,320px);flex-direction:column;
    align-items:flex-start;gap:6px;background:#fff;padding:90px 26px 26px;box-shadow:var(--shadow-lg);
    transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);z-index:55}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{width:100%;padding:12px 4px;font-size:17px;border-bottom:1px solid var(--line)}
  .nav-cta{width:100%;text-align:center;margin-top:12px;border-bottom:0 !important;padding:14px}
  .nav-toggle{display:inline-flex}
}

/* ── sections / heads ───────────────────────────────────── */
section{padding:84px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 52px}
.section-head .eyebrow{margin-bottom:18px}
.section-head h2{margin-bottom:0}
.section-head p{color:var(--sub);margin-top:16px;font-size:18px}
.bg-soft{background:var(--bg)}
.bg-ink{background:var(--grad-ink);color:#fff}

/* ── hero ───────────────────────────────────────────────── */
.hero{position:relative;overflow:hidden;padding:64px 0 76px;
  background:
    radial-gradient(900px 460px at 78% -8%, rgba(37,99,235,.16), transparent 60%),
    radial-gradient(720px 420px at 6% 8%, rgba(16,185,129,.13), transparent 55%),
    linear-gradient(180deg,#F4F8FF 0%,#fff 72%)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;-webkit-mask-image:radial-gradient(680px 420px at 70% 25%,#000,transparent 75%);
  mask-image:radial-gradient(680px 420px at 70% 25%,#000,transparent 75%);opacity:.5}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center}
.hero h1{margin-top:20px}
.hero .lead{margin-top:20px;max-width:540px}
.hero-cta{display:flex;gap:13px;margin-top:30px;flex-wrap:wrap}
.hero-fine{font-size:13.5px;color:var(--mute);margin-top:18px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.hero-fine .check{color:var(--green)}
.rating-row{display:flex;align-items:center;gap:12px;margin-top:26px;flex-wrap:wrap}
.rating-row .stars{color:#F5A623;letter-spacing:2px;font-size:15px}
.rating-row small{color:var(--sub);font-size:13px;font-weight:500}
.av-stack{display:flex}
.av-stack span{width:30px;height:30px;border-radius:50%;border:2px solid #fff;margin-left:-9px;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:700}
.av-stack span:first-child{margin-left:0}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr;gap:38px}.hero-visual{order:-1}}

/* ── device / app mock ──────────────────────────────────── */
.hero-visual{position:relative}
.device{background:var(--navy);border-radius:30px;padding:12px;box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.08);max-width:330px;margin:0 auto}
.device-notch{height:22px;display:flex;align-items:center;justify-content:center}
.device-notch::before{content:"";width:64px;height:5px;border-radius:99px;background:rgba(255,255,255,.18)}
.device-sheet{background:#fff;border-radius:22px;overflow:hidden}
.device-sheet img{width:100%;display:block}
.sheet-head{padding:14px 16px;background:linear-gradient(180deg,#fff,#F6F8FC);border-bottom:1px solid var(--line)}
.sheet-head .t{font-size:13px;font-weight:700;color:var(--text)}
.sheet-head .s{font-size:11px;color:var(--mute);margin-top:2px}
.mic-line{display:flex;align-items:center;gap:9px;padding:11px 16px;background:#0F1729;color:#fff}
.mic-line .dot{width:9px;height:9px;border-radius:50%;background:var(--green-bright);box-shadow:0 0 0 0 rgba(16,185,129,.6);animation:pulse 1.5s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(16,185,129,.5)}70%{box-shadow:0 0 0 8px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}
.mic-line .q{font-size:12.5px;color:#C7D2E8;font-style:italic}
.sheet-row{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;font-size:13px;border-bottom:1px solid #F1F3F8}
.sheet-row:last-child{border-bottom:0}
.sheet-row .nm{font-weight:600;color:var(--text)}
.sheet-row .qty{display:flex;align-items:center;gap:8px}
.pill{background:var(--green-bg);color:var(--green);padding:3px 10px;border-radius:7px;font-weight:700;font-size:12px}
.pill.amber{background:#FEF3E2;color:#B7791F}
.float-card{position:absolute;background:#fff;border:1px solid var(--line-2);border-radius:14px;
  box-shadow:var(--shadow);padding:13px 15px;display:flex;align-items:center;gap:11px;z-index:2}
.float-card .ic{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff}
.float-card .big{font-size:16px;font-weight:800;color:var(--text);font-family:var(--display)}
.float-card .sm{font-size:11px;color:var(--mute)}
.float-a{top:8%;left:-6%}
.float-b{bottom:10%;right:-7%}
@media(max-width:520px){.float-card{display:none}}

/* ── marquee / built-for ────────────────────────────────── */
.logos{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;padding:30px 0}
.logos .wrap{display:flex;align-items:center;justify-content:center;gap:16px 44px;flex-wrap:wrap}
.logos .lab{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.logos .chip{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--navy);font-size:16px;opacity:.85;font-family:var(--display)}
.logos .chip .dot{width:10px;height:10px;border-radius:50%}

/* ── stat strip ─────────────────────────────────────────── */
.trust{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;padding:30px 24px;max-width:var(--maxw);margin:0 auto}
.trust .stat{flex:1;min-width:160px;text-align:center;padding:22px 16px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.trust .num{font-size:34px;font-weight:800;font-family:var(--display);
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.trust .lbl{font-size:13px;color:var(--sub);margin-top:4px;font-weight:500}

/* ── feature rows ───────────────────────────────────────── */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:34px 0}
.feature-row.rev .ftext{order:2}
@media(max-width:900px){.feature-row{grid-template-columns:1fr;gap:36px}.feature-row.rev .ftext{order:0}}
.ftext .eyebrow{margin-bottom:16px}
.ftext h2{font-size:clamp(25px,3vw,34px)}
.ftext .lead{margin-top:16px}
.flist{list-style:none;padding:0;margin:24px 0 0;display:flex;flex-direction:column;gap:14px}
.flist li{display:flex;gap:12px;font-size:15.5px;color:var(--sub)}
.flist li b{color:var(--text)}
.flist li .tick{flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--green-bg);color:var(--green);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;margin-top:1px}
.shot-card{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-lg);padding:14px;box-shadow:var(--shadow);position:relative}
.shot-card.phone{max-width:300px;margin:0 auto;border-radius:30px;padding:11px;background:var(--navy)}
.shot-card img{width:100%;height:auto;display:block;border-radius:12px;object-fit:contain}
.shot-card.phone img{border-radius:20px}
.tagchips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tagchips span{font-size:12.5px;font-weight:600;color:var(--sub);background:var(--bg);border:1px solid var(--line-2);
  padding:6px 12px;border-radius:99px}

/* ── how it works ───────────────────────────────────────── */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
@media(max-width:820px){.steps{grid-template-columns:1fr}}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.step .n{width:40px;height:40px;border-radius:12px;background:var(--grad-brand);color:#fff;display:flex;
  align-items:center;justify-content:center;font-weight:800;font-family:var(--display);font-size:17px;box-shadow:0 8px 18px rgba(37,99,235,.3)}
.step h3{margin-top:16px;font-size:18px}
.step p{font-size:14.5px;color:var(--sub);margin-top:8px}

/* ── capability cards ───────────────────────────────────── */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:880px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cards{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:transform .16s ease,box-shadow .18s ease,border-color .18s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card .ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--blue-bg);color:var(--blue-600);margin-bottom:16px}
.card .ico.green{background:var(--green-bg);color:var(--green)}
.card .ico svg{width:23px;height:23px}
.card h3{font-size:17px}
.card p{font-size:14.5px;color:var(--sub);margin-top:9px}

/* ── compare ────────────────────────────────────────────── */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:760px){.compare{grid-template-columns:1fr}}
.comp{border-radius:var(--radius-lg);padding:30px;border:1px solid var(--line-2)}
.comp.bad{background:#FBF8F6}
.comp.good{background:linear-gradient(180deg,#F0FBF5,var(--green-bg));border-color:#CDEBD6}
.comp h3{font-size:14px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:18px;color:var(--mute)}
.comp.good h3{color:var(--green)}
.comp ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.comp li{display:flex;gap:12px;font-size:15px;color:var(--text);line-height:1.5}
.comp li .m{flex:0 0 auto;width:21px;height:21px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:1px}
.comp.bad li .m{background:#F4DDD3;color:#B25B3C}
.comp.good li .m{background:#CDEBD6;color:var(--green)}

/* ── live demo block ────────────────────────────────────── */
.demo{background:var(--grad-ink);border-radius:24px;padding:clamp(26px,4vw,48px);color:#fff;
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;box-shadow:var(--shadow-lg)}
@media(max-width:820px){.demo{grid-template-columns:1fr;gap:30px}}
.demo h2{color:#fff}
.demo p{color:#AEBAD0;margin-top:14px;font-size:16px}
.demo .transcript{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.demo .bub{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:12px;
  padding:11px 15px;font-size:14.5px;color:#E7ECF6;max-width:90%}
.demo .bub b{color:var(--green-bright)}
.demo-panel{background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.4)}

/* ── metrics band ───────────────────────────────────────── */
.metrics .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
@media(max-width:740px){.metrics .wrap{grid-template-columns:repeat(2,1fr)}}
.metrics .m .n{font-size:clamp(32px,4vw,46px);font-weight:800;font-family:var(--display);color:#fff}
.metrics .m .l{font-size:14px;color:#9DB0CF;margin-top:6px}

/* ── security ───────────────────────────────────────────── */
.vgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:880px){.vgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.vgrid{grid-template-columns:1fr}}
.vcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.vcard .ico{width:44px;height:44px;border-radius:11px;background:var(--bg);display:flex;align-items:center;justify-content:center;color:var(--navy);margin-bottom:14px}
.vcard .ico svg{width:22px;height:22px}
.vcard h3{font-size:16px}
.vcard p{font-size:14px;color:var(--sub);margin-top:7px}

/* ── testimonials ───────────────────────────────────────── */
.tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:880px){.tgrid{grid-template-columns:1fr}}
.tcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.tcard .stars{color:#F5A623;font-size:15px;letter-spacing:2px}
.tcard .big-quote{font-family:var(--display);font-size:18px;font-weight:600;color:var(--text);margin:14px 0;line-height:1.45}
.tcard p{font-size:14.5px;color:var(--sub);margin-bottom:20px;line-height:1.6}
.tcard .who{display:flex;align-items:center;gap:12px;margin-top:auto}
.tcard .av{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:15px;font-family:var(--display)}
.tcard .who b{display:block;font-size:14.5px;color:var(--navy)}
.tcard .who span{font-size:12.5px;color:var(--mute)}

/* ── pricing ────────────────────────────────────────────── */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
@media(max-width:820px){.price-grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}}
.plan{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-lg);padding:30px;display:flex;flex-direction:column;position:relative;transition:transform .16s,box-shadow .18s}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.plan.featured{border:2px solid var(--blue);box-shadow:0 20px 50px rgba(37,99,235,.16)}
.plan .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad-brand);color:#fff;
  font-size:11px;font-weight:800;letter-spacing:.6px;padding:5px 14px;border-radius:99px;box-shadow:0 6px 16px rgba(37,99,235,.35)}
.plan .pname{font-size:14px;font-weight:700;color:var(--sub);text-transform:uppercase;letter-spacing:.05em}
.plan.featured .pname{color:var(--blue-600)}
.plan .pamt{font-size:42px;font-weight:800;margin-top:10px;font-family:var(--display);letter-spacing:-.03em}
.plan .pamt small{font-size:15px;color:var(--mute);font-weight:600}
.plan .psub{font-size:13px;color:var(--mute);margin-top:4px}
.plan ul{list-style:none;padding:0;margin:22px 0;display:flex;flex-direction:column;gap:12px;font-size:14.5px;color:var(--text)}
.plan li{display:flex;gap:10px;align-items:flex-start}
.plan li::before{content:"✓";color:var(--green);font-weight:800;flex:0 0 auto}
.plan .btn{margin-top:auto;width:100%}

/* comparison table */
.cmp-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:14.5px}
.cmp-table th,.cmp-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
.cmp-table thead th{background:var(--bg);font-family:var(--display);font-size:14px}
.cmp-table td.c,.cmp-table th.c{text-align:center}
.cmp-table tr:last-child td{border-bottom:0}
.cmp-table .yes{color:var(--green);font-weight:800}
.cmp-table .no{color:var(--faint)}
.cmp-table .grp td{background:var(--surface-2);font-weight:700;font-family:var(--display);color:var(--navy)}

/* ── FAQ ────────────────────────────────────────────────── */
.faq{display:flex;flex-direction:column;gap:14px;max-width:780px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius);padding:4px 22px;transition:box-shadow .18s,border-color .18s}
.faq details[open]{box-shadow:var(--shadow-sm);border-color:var(--blue-light)}
.faq summary{font-weight:700;cursor:pointer;list-style:none;padding:16px 0;display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:16px;font-family:var(--display)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--blue);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--sub);padding:0 0 18px;font-size:15px;line-height:1.65}

/* ── CTA band ───────────────────────────────────────────── */
.cta-band{position:relative;overflow:hidden;background:var(--grad-ink);text-align:center;padding:80px 24px;border-radius:0}
.cta-band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 30% 0%,rgba(37,99,235,.35),transparent 60%),radial-gradient(500px 280px at 80% 100%,rgba(16,185,129,.3),transparent 60%)}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(28px,4vw,42px)}
.cta-band p{color:#AEBAD0;margin-top:12px;font-size:17px}
.cta-band .hero-cta{justify-content:center;margin-top:28px}
.cta-band .fine{color:#7E8CA8;font-size:13px;margin-top:18px}

/* ── footer ─────────────────────────────────────────────── */
footer{background:var(--ink);color:#9AA6BC;font-size:14px;padding:64px 0 34px}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
@media(max-width:820px){.foot-top{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:480px){.foot-top{grid-template-columns:1fr}}
.foot-brand .wordmark{color:#fff}.foot-brand .wordmark em{color:var(--green-bright)}
.foot-brand p{margin-top:14px;font-size:14px;color:#7E8CA8;max-width:280px}
.foot-col h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px;font-family:var(--font);font-weight:700}
.foot-col a{display:block;color:#9AA6BC;padding:6px 0;font-size:14px}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;padding-top:26px;font-size:13px;color:#6F7C95}
.foot-bottom .soc{display:flex;gap:14px}
.foot-bottom .soc a{color:#9AA6BC}.foot-bottom .soc a:hover{color:#fff}
.foot-bottom .soc svg{width:19px;height:19px}

/* legacy compatibility (signup/signin shared bits) */
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;align-items:center}
.foot-links{display:flex;gap:20px}.foot-links a:hover{color:#fff}

/* ── reveal on scroll ───────────────────────────────────── */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ── dropdown nav ───────────────────────────────────────── */
.nav-item{position:relative;display:flex;align-items:center}
.nav-trigger{background:none;border:0;font-family:var(--font);font-size:14.5px;font-weight:500;color:var(--sub);
  cursor:pointer;display:flex;align-items:center;gap:5px;padding:0}
.nav-trigger:hover{color:var(--text)}
.nav-trigger .caret{width:14px;height:14px;transition:transform .2s ease}
.nav-dropdown{position:absolute;top:calc(100% + 18px);left:50%;transform:translateX(-50%) translateY(8px);
  min-width:320px;background:#fff;border:1px solid var(--line-2);border-radius:16px;box-shadow:var(--shadow-lg);
  padding:10px;opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease;z-index:70}
.nav-dropdown::before{content:"";position:absolute;top:-18px;left:0;right:0;height:18px}
.nav-dropdown.small{min-width:220px}
.nav-item:hover .nav-dropdown,.nav-item.open .nav-dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-item:hover .caret,.nav-item.open .caret{transform:rotate(180deg)}
.nav-dropdown a{display:flex;gap:13px;align-items:flex-start;padding:11px 12px;border-radius:11px;color:var(--text);transition:background .14s}
.nav-dropdown a:hover{background:var(--bg)}
.nav-dropdown .di{flex:0 0 auto;width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--blue-bg);color:var(--blue-600)}
.nav-dropdown .di.green{background:var(--green-bg);color:var(--green)}
.nav-dropdown .di svg{width:19px;height:19px}
.nav-dropdown b{display:block;font-size:14px;font-weight:600;color:var(--text)}
.nav-dropdown small{display:block;font-size:12.5px;color:var(--mute);margin-top:2px;line-height:1.4}
.nav-dropdown.small a{padding:9px 12px;font-size:14.5px;font-weight:500;color:var(--sub)}
.nav-dropdown.small a:hover{color:var(--text)}
@media(max-width:840px){
  .nav-item{width:100%;flex-direction:column;align-items:stretch}
  .nav-trigger{width:100%;justify-content:space-between;padding:14px 4px;font-size:17px;border-bottom:1px solid var(--line);color:var(--text)}
  .nav-dropdown{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;border-radius:0;
    padding:4px 0 10px;min-width:0;display:none}
  .nav-item.open .nav-dropdown{display:block;transform:none}
  .nav-dropdown a{padding:12px 8px;border-bottom:1px solid var(--line)}
  .nav-dropdown a:last-child{border-bottom:0}
}

/* ── integrations ───────────────────────────────────────── */
.intg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:880px){.intg-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.intg-grid{grid-template-columns:1fr}}
.intg-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .16s,box-shadow .18s}
.intg-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.intg-card .badge-ic{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:var(--grad-brand);color:#fff;margin-bottom:15px}
.intg-card .badge-ic svg{width:23px;height:23px}
.intg-card h3{font-size:17px}
.intg-card p{font-size:14.5px;color:var(--sub);margin-top:9px}
.intg-card code{background:var(--bg);border:1px solid var(--line-2);border-radius:6px;padding:1px 7px;font-size:12.5px;color:var(--blue-700);font-family:'SFMono-Regular',Menlo,Consolas,monospace}
.flowline{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:8px}
.flow-node{background:#fff;border:1px solid var(--line-2);border-radius:12px;padding:14px 20px;font-weight:700;font-family:var(--display);font-size:15px;color:var(--navy);box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:10px}
.flow-node .d{width:9px;height:9px;border-radius:50%}
.flow-arrow{color:var(--blue);flex:0 0 auto}
.flow-arrow svg{width:26px;height:26px}
@media(max-width:680px){.flowline{flex-direction:column}.flow-arrow{transform:rotate(90deg)}}
/* code snippet block */
.code-block{background:var(--grad-ink);border-radius:14px;padding:20px 22px;overflow-x:auto;box-shadow:var(--shadow);
  font-family:'SFMono-Regular',Menlo,Consolas,monospace;font-size:13.5px;line-height:1.7;color:#D7E0F2}
.code-block .k{color:#7DB3F0}.code-block .s{color:#5BD6A0}.code-block .c{color:#6C7A93}
.export-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;margin-top:8px}
@media(max-width:640px){.export-list{grid-template-columns:1fr}}
.export-list li{display:flex;gap:11px;font-size:15px;color:var(--sub);list-style:none}
.export-list li b{color:var(--text)}
.export-list li .tick{flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--green-bg);color:var(--green);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;margin-top:1px}