/* ============================================================
   LazyCat AI — shared design system
   "Calendly clarity, LazyCat warmth."
   ============================================================ */
:root{
  --bg:#FBFAF6;
  --bg-warm:#F6F2E9;
  --surface:#FFFFFF;
  --ink:#1F2933;
  --ink-2:#48535F;
  --muted:#667085;
  --muted-2:#9AA3AE;
  --line:#E7E2D8;
  --line-2:#EFEBE2;
  --accent:#F5A524;
  --accent-ink:#B5740A;
  --accent-deep:#E08C12;
  --accent-soft:#FFF3D6;
  --accent-soft-2:#FDE9BD;
  --green:#4F8F6F;
  --green-ink:#326049;
  --green-soft:#E5F0E9;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --shadow-xs: 0 1px 2px rgba(31,41,51,.05);
  --shadow-sm: 0 1px 2px rgba(31,41,51,.06), 0 1px 1px rgba(31,41,51,.04);
  --shadow-md: 0 4px 6px -2px rgba(31,41,51,.05), 0 12px 28px -12px rgba(31,41,51,.16);
  --shadow-lg: 0 24px 48px -20px rgba(31,41,51,.24);
  --maxw:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0;overflow-x:hidden}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter', ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.55;
  font-size:16px;
}
::selection{background:var(--accent-soft);color:var(--ink)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.wrap-narrow{max-width:920px;margin:0 auto;padding:0 32px}

/* ---------- type ---------- */
h1,h2,h3,h4{
  margin:0;color:var(--ink);
  font-family:'Manrope', 'Inter', sans-serif;
  font-weight:700;letter-spacing:-.025em;line-height:1.08;
}
h1{font-size:clamp(40px,5.4vw,68px);letter-spacing:-.035em}
h2{font-size:clamp(30px,3.6vw,46px);letter-spacing:-.03em}
h3{font-size:clamp(19px,1.8vw,23px);letter-spacing:-.02em;line-height:1.25}
h4{font-size:17px;letter-spacing:-.015em;line-height:1.3}
p{margin:0;color:var(--ink-2)}
.lede{font-size:clamp(17px,1.4vw,19.5px);line-height:1.6;color:var(--ink-2);max-width:58ch}
.eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent-ink);display:inline-flex;align-items:center;gap:9px;
}
.eyebrow.green{color:var(--green-ink)}
.eyebrow .pip{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.eyebrow.green .pip{background:var(--green)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 24px;border-radius:10px;
  font-family:'Inter',sans-serif;font-size:15.5px;font-weight:600;letter-spacing:-.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .14s ease, background .14s ease, box-shadow .14s ease, border-color .14s ease, color .14s ease;
}
.btn .arrow{transition:transform .2s ease}
.btn:hover .arrow{transform:translateX(3px)}
.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:#0F1820;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-accent{background:var(--accent);color:#3A2602;box-shadow:0 6px 18px -8px rgba(245,165,36,.7)}
.btn-accent:hover{background:var(--accent-deep);transform:translateY(-1px)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:var(--surface)}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px;border-radius:9px}
.btn-lg{height:56px;padding:0 30px;font-size:16.5px}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:color-mix(in oklab, var(--bg) 86%, transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease, background .2s ease;
}
.nav.scrolled{border-bottom-color:var(--line);background:color-mix(in oklab, var(--bg) 94%, transparent)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{font-family:'Manrope',sans-serif;font-weight:800;font-size:20px;letter-spacing:-.03em;color:var(--ink);display:flex;align-items:center;gap:3px}
.brand .ai{color:var(--accent-ink);font-weight:700}
.nav-links{display:flex;gap:30px;font-size:15px;font-weight:500;color:var(--ink-2)}
.nav-links a{position:relative;transition:color .15s ease}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-right .text-link{font-size:15px;font-weight:600;color:var(--ink-2)}
.nav-right .text-link:hover{color:var(--ink)}

/* ---------- section scaffold ---------- */
section{padding:104px 0;position:relative}
.section-head{max-width:680px;display:flex;flex-direction:column;gap:18px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;align-items:center}
.section-head p{font-size:18px;line-height:1.6;color:var(--muted)}

/* ---------- generic cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-xs);
}

/* ---------- mockup primitives (shared) ---------- */
.mock{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-md);overflow:hidden;
}
.mock-bar{
  display:flex;align-items:center;gap:8px;padding:13px 16px;
  background:var(--bg);border-bottom:1px solid var(--line);
}
.mock-bar .dot{width:11px;height:11px;border-radius:50%}
.mock-bar .d1{background:#E8857A}.mock-bar .d2{background:#ECC25C}.mock-bar .d3{background:#7FB894}
.mock-bar .title{margin-left:8px;font-size:13px;color:var(--muted);font-weight:600}

/* input chip card */
.in-card{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;
  box-shadow:var(--shadow-sm);
}
.in-label{font-size:11.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:8px;margin-bottom:14px}
.in-label .pip{width:7px;height:7px;border-radius:50%;background:var(--muted-2)}
.in-line{display:flex;align-items:flex-start;gap:11px;padding:11px 0;border-top:1px dashed var(--line)}
.in-line:first-of-type{border-top:none;padding-top:0}
.in-line .ico{
  width:30px;height:30px;border-radius:8px;flex:none;display:grid;place-items:center;
  background:var(--bg-warm);color:var(--ink-2);
}
.in-line .tx{font-size:13.5px;line-height:1.45;color:var(--ink)}
.in-line .tx small{display:block;color:var(--muted);font-size:12px;margin-top:1px}

/* voice note */
.voice{display:flex;align-items:center;gap:12px}
.voice .play{
  width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--accent);color:#3A2602;border:none;
}
.voice .wave{flex:1;display:flex;align-items:center;gap:2.5px;height:28px}
.voice .wave span{display:block;width:3px;border-radius:2px;background:var(--accent-soft-2)}
.voice .dur{font-family:'Inter';font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--muted);font-weight:600}

/* output card */
.out{
  background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:15px 16px;
  box-shadow:var(--shadow-sm);position:relative;
}
.out-tag{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.out-tag .tic{width:22px;height:22px;border-radius:7px;display:grid;place-items:center;flex:none}
.tic-amber{background:var(--accent-soft);color:var(--accent-ink)}
.tic-green{background:var(--green-soft);color:var(--green-ink)}
.tic-ink{background:#EBEDF0;color:var(--ink)}
.out h4{font-size:14.5px;margin:9px 0 5px}
.out p{font-size:13px;line-height:1.5;color:var(--ink-2)}
.kv{display:flex;justify-content:space-between;font-size:12.5px;padding:5px 0;border-top:1px dashed var(--line)}
.kv:first-of-type{border-top:none}
.kv .k{color:var(--muted)}.kv .v{color:var(--ink);font-weight:600}
.chk{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;color:var(--green-ink);margin-top:9px}

/* pill / badge */
.pill{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;background:var(--surface);border:1px solid var(--line);color:var(--ink-2)}
.pill .pip{width:7px;height:7px;border-radius:50%;background:var(--green)}

/* connector arrow */
.flow-arrow{display:grid;place-items:center;color:var(--accent);flex:none}

/* ---------- footer ---------- */
footer{background:var(--ink);color:#C9CFD6;padding:72px 0 40px}
footer .brand{color:#fff}
footer .brand .ai{color:var(--accent)}
.foot-top{display:flex;justify-content:space-between;gap:48px;flex-wrap:wrap;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-blurb{max-width:30ch;font-size:14.5px;color:#9AA3AE;margin-top:14px;line-height:1.6}
.foot-cols{display:flex;gap:72px;flex-wrap:wrap}
.foot-col h5{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#7A828C;margin:0 0 16px}
.foot-col a{display:block;font-size:14.5px;color:#C9CFD6;padding:6px 0}
.foot-col a:hover{color:#fff}
.foot-bot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:28px;font-size:13.5px;color:#7A828C}

/* ---------- reveal on scroll ---------- */
/* Entrance reveal: transform-only so content is ALWAYS visible (opacity never 0).
   In environments where CSS transitions don't advance, elements simply render
   un-shifted — never blank. In real tabs they slide up on scroll. */
.reveal{transform:translateY(18px);transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal.in{transform:none}
@media (prefers-reduced-motion: reduce){.reveal{transform:none;transition:none}}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .nav-links{display:none}
  section{padding:72px 0}
  .wrap,.wrap-narrow{padding:0 22px}
  .foot-cols{gap:40px}
}
@media (max-width:600px){
  .nav-right{display:none}
  h1{font-size:clamp(30px,8vw,38px)}
  .btn{white-space:normal;text-align:center}
}