/* ChartHaven — investor-grade landing. Vanilla CSS + GSAP. No build step. */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --ink:#0e1822;
  --ink-soft:#3b4a59;
  --muted:#6b7c8d;
  --bg:#f6f8f9;
  --surface:#ffffff;
  --line:#e4ebef;
  --primary:#1d7aaa;
  --primary-dk:#155e85;
  --accent:#0ea47a;
  --accent-lt:#d8f5ec;
  --night:#0b1620;
  --night-2:#0e1d29;
  --display:"Cabinet Grotesk",-apple-system,BlinkMacSystemFont,sans-serif;
  --sans:"Satoshi",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --r:16px;
  --maxw:1180px;
}

html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
.page{overflow-x:hidden;width:100%;max-width:100%}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.grad{background:linear-gradient(100deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
strong{font-weight:700}

/* ── buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--sans);font-weight:700;
  background:var(--primary);color:#fff;border:none;border-radius:999px;padding:.7rem 1.3rem;font-size:.95rem;
  text-decoration:none;cursor:pointer;transition:transform .25s ease,background .25s ease,box-shadow .25s ease;white-space:nowrap}
.btn:hover{background:var(--primary-dk);transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(29,122,170,.55)}
.btn--lg{padding:.95rem 1.9rem;font-size:1.05rem}
.btn--sm{padding:.55rem 1.05rem;font-size:.85rem}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn--ghost:hover{background:#fff;color:var(--primary);box-shadow:none;border-color:var(--primary)}

/* ── nav (floating glass pill) ── */
.nav{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:50;width:calc(100% - 32px);max-width:var(--maxw);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.6rem .7rem .6rem 1.2rem;border-radius:999px;
  background:rgba(255,255,255,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.6);box-shadow:0 10px 40px -18px rgba(14,24,34,.35)}
.nav__logo{display:flex;align-items:center;gap:.55rem;font-family:var(--display);font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.nav__mark{width:18px;height:18px;border-radius:6px;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:inset 0 0 0 3px rgba(255,255,255,.55)}
.nav__links{display:flex;gap:1.6rem;margin-left:auto;margin-right:.4rem}
.nav__links a{color:var(--ink-soft);text-decoration:none;font-size:.92rem;font-weight:500;transition:color .2s}
.nav__links a:hover{color:var(--primary)}

/* ── hero (cinematic, dark mesh band) ── */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;text-align:center;padding:9rem 1.5rem 6rem;overflow:hidden;background:var(--night)}
.hero__bg{position:absolute;inset:0;
  background:
    radial-gradient(60% 55% at 50% 12%,rgba(14,164,122,.30),transparent 60%),
    radial-gradient(50% 50% at 82% 80%,rgba(29,122,170,.40),transparent 60%),
    radial-gradient(45% 45% at 14% 70%,rgba(29,122,170,.22),transparent 60%),
    var(--night)}
.hero__bg::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:3px 3px}
.hero__inner{position:relative;max-width:var(--maxw)}
.eyebrow{font-family:var(--sans);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:.78rem;color:var(--accent);margin-bottom:1.4rem}
.eyebrow--light{color:var(--accent)}
.hero__h1{font-family:var(--display);font-weight:800;letter-spacing:-.035em;line-height:1.04;
  font-size:clamp(2.6rem,6.2vw,5rem);color:#fff;max-width:16ch;margin:0 auto 1.6rem}
.hero__sub{font-size:clamp(1.05rem,1.6vw,1.3rem);color:#aebfcc;max-width:620px;margin:0 auto 2.4rem}
.hero__sub strong{color:#fff}
.hero__cta{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}
.hero__cta .btn--ghost{color:#fff;border-color:rgba(255,255,255,.28)}
.hero__cta .btn--ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:#fff}
.hero__note{margin-top:1.6rem;font-size:.85rem;color:#7d909e}

/* ── story (scrub reveal) ── */
.story{max-width:1000px;margin:0 auto;padding:11rem 1.5rem}
.story__text{font-family:var(--display);font-weight:700;letter-spacing:-.02em;line-height:1.28;font-size:clamp(1.6rem,3.4vw,2.7rem)}
.story__text .w{color:var(--line);transition:color .15s}

/* ── bento ── */
.bento-wrap{padding:3rem 1.5rem 7rem;max-width:var(--maxw);margin:0 auto}
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(190px,auto);gap:14px;grid-auto-flow:dense}
.cell{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:2rem;display:flex;flex-direction:column;gap:.7rem;transition:transform .4s ease,box-shadow .4s ease}
.cell:hover{transform:translateY(-4px);box-shadow:0 24px 50px -28px rgba(14,24,34,.4)}
.cell--lead{grid-column:span 2;grid-row:span 2;justify-content:space-between;background:linear-gradient(165deg,#fff,#eef6f3)}
.cell--accent{grid-column:span 2;background:linear-gradient(155deg,var(--night-2),var(--night));color:#fff;border-color:transparent}
.cell--accent p{color:#9fb3c2}
.cell h2{font-family:var(--display);font-weight:800;font-size:clamp(1.5rem,2.4vw,2.1rem);letter-spacing:-.02em;line-height:1.1}
.cell h3{font-family:var(--display);font-weight:700;font-size:1.2rem;letter-spacing:-.01em}
.cell p{color:var(--muted);font-size:.97rem}
.cell .ico{width:30px;height:30px;color:var(--primary)}
.cell--accent .ico{color:var(--accent)}
.cell__art--timeline{display:flex;align-items:flex-end;gap:8px;height:84px}
.cell__art--timeline span{flex:1;border-radius:6px;background:linear-gradient(180deg,var(--primary),var(--accent));opacity:.85}
.cell__art--timeline span:nth-child(1){height:38%}
.cell__art--timeline span:nth-child(2){height:72%}
.cell__art--timeline span:nth-child(3){height:50%}
.cell__art--timeline span:nth-child(4){height:96%}
.cell__art--timeline span:nth-child(5){height:64%}

/* ── haven (pinned) ── */
.haven{background:var(--night);color:#fff}
.haven__pin{max-width:var(--maxw);margin:0 auto;min-height:100svh;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;padding:6rem 1.5rem}
.haven__h2{font-family:var(--display);font-weight:800;letter-spacing:-.03em;line-height:1.08;font-size:clamp(2rem,3.6vw,3.2rem);margin:1rem 0 1.3rem}
.haven__lead{color:#9fb3c2;font-size:1.1rem;max-width:440px}
.haven__chat{display:flex;flex-direction:column;gap:.8rem}
.bubble{max-width:88%;padding:.85rem 1.1rem;border-radius:18px;font-size:.98rem;line-height:1.5}
.bubble--user{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:5px}
.bubble--haven{align-self:flex-start;background:#16242f;color:#e6eef4;border:1px solid #233442;border-bottom-left-radius:5px}
.bubble--haven strong{color:#fff}
.cite{display:block;margin-top:.45rem;font-size:.74rem;color:var(--accent);font-weight:600}

/* ── how (stacking) ── */
.how{max-width:920px;margin:0 auto;padding:9rem 1.5rem}
.how__title{font-family:var(--display);font-weight:800;letter-spacing:-.03em;font-size:clamp(1.8rem,3.2vw,2.8rem);text-align:center;margin-bottom:3.5rem}
.stack{display:flex;flex-direction:column;gap:1.2rem}
.card{position:sticky;top:120px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:2.6rem 2.4rem;box-shadow:0 30px 60px -40px rgba(14,24,34,.5)}
.card__num{font-family:var(--display);font-weight:800;font-size:1rem;color:var(--accent);letter-spacing:.05em}
.card h3{font-family:var(--display);font-weight:700;font-size:clamp(1.4rem,2.4vw,2rem);letter-spacing:-.02em;margin:.6rem 0 .7rem}
.card p{color:var(--muted);font-size:1.05rem;max-width:560px}

/* ── marquee ── */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:1.6rem 0;background:var(--surface)}
.marquee__track{display:flex;gap:2.4rem;align-items:center;width:max-content;animation:slide 28s linear infinite;font-family:var(--display);font-weight:700;font-size:1.3rem;color:var(--ink);white-space:nowrap}
.marquee__track span[aria-hidden]{color:var(--accent)}
@keyframes slide{to{transform:translateX(-50%)}}

/* ── cta ── */
.cta{padding:8rem 1.5rem}
.cta__inner{max-width:760px;margin:0 auto;text-align:center;background:linear-gradient(160deg,var(--night-2),var(--night));color:#fff;border-radius:30px;padding:4.5rem 2rem;position:relative;overflow:hidden}
.cta__inner::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 60% at 50% 0%,rgba(14,164,122,.30),transparent 60%)}
.cta__h2{position:relative;font-family:var(--display);font-weight:800;letter-spacing:-.03em;line-height:1.05;font-size:clamp(2rem,4vw,3.2rem)}
.cta__sub{position:relative;color:#9fb3c2;margin:1rem auto 2rem;max-width:420px}
.wl{position:relative;display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap;max-width:520px;margin:0 auto}
.wl__input{flex:1 1 260px;max-width:330px;padding:.95rem 1.1rem;border-radius:999px;border:1.5px solid #2a3b49;background:#0c1822;color:#fff;font-size:1rem;font-family:var(--sans);outline:none;transition:border-color .2s}
.wl__input::placeholder{color:#6a7d8c}
.wl__input:focus{border-color:var(--accent)}
.wl__input.is-invalid{border-color:#f87171}
.wl__msg{position:relative;min-height:1.4em;margin-top:1rem;font-weight:600}
.wl__msg--ok{color:var(--accent)}
.wl__msg--err{color:#fca5a5}
.cta__note{position:relative;margin-top:.9rem;font-size:.8rem;color:#6a7d8c}

/* ── footer ── */
.footer{max-width:var(--maxw);margin:0 auto;padding:2.5rem 1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;color:var(--muted);font-size:.9rem}
.footer__brand{display:flex;align-items:center;gap:.5rem;font-family:var(--display);font-weight:800;color:var(--ink)}
.footer__links{display:flex;gap:1.4rem}
.footer__links a{color:var(--muted);text-decoration:none}
.footer__links a:hover{color:var(--primary)}

/* ── motion defaults (GSAP overrides) ── */
[data-rise]{opacity:0;transform:translateY(26px)}
[data-msg]{opacity:0;transform:translateY(18px)}

/* ── responsive ── */
@media(max-width:860px){
  .nav__links{display:none}
  .bento{grid-template-columns:repeat(2,1fr)}
  .cell--lead,.cell--accent{grid-column:span 2}
  .haven__pin{grid-template-columns:1fr;gap:2.5rem;min-height:auto;padding:6rem 1.5rem}
  .card{position:relative;top:0}
}
@media(prefers-reduced-motion:reduce){
  [data-rise],[data-msg]{opacity:1;transform:none}
  .marquee__track{animation:none}
}