/* ============================================================
   Heartbeat Labs — site styles
   Brand system ported from the Toyota / Who-We-Are decks.
   Type + color only. No illustrations, no stock art.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800;900&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --ink:#141B30;          /* deep navy — backgrounds + headings */
  --ink-2:#1B2340;        /* slightly lifted navy for cards on dark */
  --coral:#F23B4B;        /* primary accent (matches the heart) */
  --coral-soft:#FFE9EB;
  --teal:#1FC4AD;         /* secondary accent */
  --teal-soft:#E4F8F4;
  --gold:#F0A93B;         /* tertiary, used sparingly for "hot" states */
  --teal-ink:#0E8E7C;     /* teal that passes contrast as type */
  --gold-ink:#B9791B;     /* gold that passes contrast as type */
  --coral-deep:#C91F2E;   /* end of the escalation ramp */
  --paper:#FFFFFF;
  --mist:#F5F7FA;         /* soft section background */
  --line:#E5E9F0;
  --slate:#5B647A;        /* body text */
  --slate-dark:#39415A;   /* darker body / list text */
  --maxw:1180px;
  --radius:18px;
  --shadow:0 18px 50px -22px rgba(20,27,48,.28);
  --shadow-sm:0 8px 24px -14px rgba(20,27,48,.30);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4,.display{
  font-family:'Montserrat',system-ui,Arial,sans-serif;
  font-weight:800;
  line-height:1.04;
  letter-spacing:-0.02em;
  margin:0;
  color:var(--ink);
}
.accent{color:var(--coral)}
.accent-t{color:var(--teal)}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
section{padding:96px 0}
.section-soft{background:var(--mist)}
.section-ink{background:var(--ink);color:#fff}
.section-ink h1,.section-ink h2,.section-ink h3{color:#fff}

.eyebrow{
  font-family:'Montserrat',sans-serif;
  font-weight:800;
  font-size:13px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--coral);
  margin:0 0 18px;
}
.section-ink .eyebrow{color:var(--teal)}
.lead{font-size:19px;color:var(--slate);max-width:62ch}
.section-ink .lead{color:#C4CCE0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:'Montserrat',sans-serif;font-weight:700;font-size:15px;
  padding:15px 26px;border-radius:999px;cursor:pointer;border:0;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 12px 26px -12px rgba(242,59,75,.7)}
.btn-coral:hover{background:#dc2d3d}
.btn-ink{background:var(--ink);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-white{background:#fff;color:var(--ink)}
.btn-outline-w{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.35)}
.btn-outline-w:hover{border-color:#fff}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.nav-logo img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-weight:600;font-size:15px;color:var(--slate-dark)}
.nav-links a:hover{color:var(--coral)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-login{font-family:'Montserrat';font-weight:700;font-size:15px}
@media(max-width:860px){.nav-links{display:none}}

/* ---------- hero ---------- */
.hero{
  background:
    radial-gradient(820px 520px at 88% -8%, rgba(31,196,173,.20), transparent 60%),
    radial-gradient(720px 520px at 6% 112%, rgba(242,59,75,.22), transparent 58%),
    var(--ink);
  color:#fff;padding:120px 0 128px;position:relative;overflow:hidden;
}
.hero h1{color:#fff;font-size:clamp(44px,6.4vw,86px);font-weight:900}
.hero h1 .accent{color:var(--coral)}
.hero p{color:#C9D1E6;font-size:21px;max-width:54ch;margin:26px 0 36px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-foot{
  margin-top:64px;padding-top:30px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;gap:48px;flex-wrap:wrap;
}
.hero-foot .stat-k{font-family:'Montserrat';font-weight:900;font-size:34px;color:#fff;line-height:1}
.hero-foot .stat-l{color:#9FA9C6;font-size:14px;margin-top:6px;max-width:24ch}

/* ---------- section heading block ---------- */
.head{max-width:760px;margin-bottom:54px}
.head h2{font-size:clamp(30px,3.8vw,46px)}
.head.center{margin-left:auto;margin-right:auto;text-align:center}
.head .lead{margin-top:18px}

/* ---------- pillar cards (colored top rule) ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.pillar{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px 32px;position:relative;overflow:hidden;
  transition:transform .18s ease, box-shadow .18s ease;
}
.pillar:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pillar::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--coral)}
.pillar.t::before{background:var(--teal)}
.pillar.g::before{background:var(--gold)}
.pillar.i::before{background:var(--ink)}
.pillar .kicker{font-family:'Montserrat';font-weight:900;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);}
.pillar h3{font-size:22px;margin:14px 0 12px}
.pillar p{margin:0 0 14px;color:var(--slate);font-size:15px}
.pillar ul{margin:0;padding:0;list-style:none}
.pillar li{font-size:14.5px;color:var(--slate-dark);padding:7px 0 7px 24px;position:relative;border-top:1px solid var(--line)}
.pillar li:first-child{border-top:0}
.pillar li::before{content:"";position:absolute;left:0;top:15px;width:9px;height:9px;border-radius:3px;background:var(--coral)}
.pillar.t li::before{background:var(--teal)}

/* ---------- stat blocks ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:760px){.stats{grid-template-columns:1fr}}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px}
.stat-card .big{font-family:'Montserrat';font-weight:900;font-size:64px;line-height:.95;color:var(--coral)}
.stat-card.t .big{color:var(--teal)}
.stat-card p{margin:14px 0 0;color:var(--slate-dark);font-size:15.5px}

/* ---------- numbered feature grid (mystery shop "01-08") ---------- */
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 56px}
@media(max-width:760px){.features{grid-template-columns:1fr}}
.feature{display:grid;grid-template-columns:auto 1fr;gap:20px;padding:26px 0;border-top:1px solid var(--line)}
.feature .num{font-family:'Montserrat';font-weight:900;font-size:34px;color:var(--teal);line-height:1}
.feature h4{font-size:18px;margin:0 0 8px}
.feature p{margin:0;color:var(--slate);font-size:15px}
.section-ink .feature{border-color:rgba(255,255,255,.12)}
.section-ink .feature p{color:#AEB7D0}
.section-ink .feature .num{color:var(--teal)}

/* ---------- bottom-line callout ---------- */
.bottomline{
  margin-top:30px;background:var(--ink);color:#fff;border-radius:22px;padding:40px 44px;
}
.bottomline h3{color:#fff;font-size:26px;margin:0 0 12px}
.bottomline p{margin:0;color:#C4CCE0;font-size:18px;max-width:70ch}
.section-ink .bottomline{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}

/* ---------- logo proof bar ---------- */
.proof{padding:48px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.proof .label{text-align:center;font-family:'Montserrat';font-weight:800;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--slate);margin-bottom:26px}
.logos{display:flex;align-items:center;justify-content:center;gap:54px;flex-wrap:wrap}
.logos img{height:42px;width:auto;opacity:.62;filter:grayscale(100%);transition:opacity .2s, filter .2s}
.logos img:hover{opacity:1;filter:none}
.logos img.tall{height:58px}
.logos .wordmark{
  display:flex;align-items:center;height:42px;
  font-family:'Montserrat',sans-serif;font-weight:800;font-size:23px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--slate);
  opacity:.62;transition:opacity .2s, color .2s;
}
.logos .wordmark:hover{opacity:1;color:var(--ink)}

/* ---------- split feature (text + panel) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:36px}}
.panel{background:var(--mist);border:1px solid var(--line);border-radius:22px;padding:34px}
.panel.ink{background:var(--ink);color:#fff}
.panel-row{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-top:1px solid var(--line)}
.panel-row:first-child{border-top:0}
.panel.ink .panel-row{border-color:rgba(255,255,255,.12)}
.tag{font-family:'Montserrat';font-weight:800;font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:5px 11px;border-radius:999px}
.tag-coral{background:var(--coral-soft);color:var(--coral)}
.tag-teal{background:var(--teal-soft);color:#0E8E7C}

/* ---------- blog cards ---------- */
.bcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s, box-shadow .18s}
.bcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.bcard .cap{height:6px;background:var(--coral)}
.bcard.t .cap{background:var(--teal)}
.bcard.g .cap{background:var(--gold)}
.bcard .body{padding:26px 24px 28px}
.bcard .cat{font-family:'Montserrat';font-weight:800;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--coral)}
.bcard.t .cat{color:#0E8E7C}
.bcard h4{font-size:19px;margin:12px 0 10px;line-height:1.2}
.bcard p{margin:0 0 16px;color:var(--slate);font-size:14.5px}
.bcard .by{font-size:13px;color:var(--slate);font-weight:600}

/* ---------- CTA band ---------- */
.cta-band{
  background:
    radial-gradient(700px 420px at 92% 0%, rgba(31,196,173,.18), transparent 60%),
    radial-gradient(620px 460px at 0% 110%, rgba(242,59,75,.24), transparent 58%),
    var(--ink);
  color:#fff;text-align:center;border-radius:28px;padding:72px 40px;
}
.cta-band h2{color:#fff;font-size:clamp(30px,4vw,50px)}
.cta-band p{color:#C9D1E6;font-size:19px;margin:18px auto 32px;max-width:48ch}

/* ---------- footer ---------- */
.foot{background:var(--ink);color:#fff;padding:70px 0 36px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-logo img{height:34px;margin-bottom:18px}
.foot p{color:#9FA9C6;font-size:14.5px;margin:0 0 10px;max-width:34ch}
.foot h5{font-family:'Montserrat';font-weight:800;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin:0 0 16px}
.foot a{display:block;color:#AEB7D0;font-size:14.5px;padding:6px 0}
.foot a:hover{color:#fff}
.foot .phone{font-family:'Montserrat';font-weight:900;font-size:22px;color:#fff;margin-top:6px}
.foot-bottom{margin-top:46px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:#8089A6;font-size:13px}
.foot-bottom a{display:inline;color:#8089A6}

/* ---------- page hero (interior shells) ---------- */
.page-hero{background:var(--ink);color:#fff;padding:96px 0 84px;
  background-image:
    radial-gradient(620px 420px at 92% -10%, rgba(31,196,173,.18), transparent 60%),
    radial-gradient(560px 420px at 0% 120%, rgba(242,59,75,.20), transparent 60%);
}
.page-hero h1{color:#fff;font-size:clamp(38px,5vw,68px);font-weight:900;max-width:18ch}
.page-hero p{color:#C9D1E6;font-size:20px;max-width:58ch;margin-top:22px}
.shell-note{background:var(--coral-soft);border:1px dashed var(--coral);color:#9c2230;border-radius:14px;padding:14px 18px;font-size:14px;margin-top:26px}

/* ============================================================
   CREDIBILITY-SITE COMPONENTS  (clients · successes · tech · bios)
   ============================================================ */

/* tile grid */
.tiles{display:grid;gap:18px}
.tiles-2{grid-template-columns:repeat(2,1fr)}
.tiles-3{grid-template-columns:repeat(3,1fr)}
.tiles-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.tiles-3,.tiles-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.tiles-2,.tiles-3,.tiles-4{grid-template-columns:1fr}}

/* client tile — typographic, premium, uniform */
.ctile{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:26px 24px;display:flex;flex-direction:column;gap:6px;min-height:122px;
  justify-content:center;transition:transform .16s ease, box-shadow .16s ease, border-color .16s;
}
.ctile:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#d3dae6}
.ctile .cname{font-family:'Montserrat';font-weight:800;font-size:21px;letter-spacing:-.01em;color:var(--ink)}
.ctile .ctype{font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--coral)}
.ctile.t .ctype{color:#0E8E7C}
.section-ink .ctile{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.12)}
.section-ink .ctile .cname{color:#fff}

/* success tile */
.stile{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:34px 26px 30px;position:relative;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .16s ease, box-shadow .16s ease;
}
.stile:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.stile::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--teal)}
.stile .sk{
  font-family:'Montserrat';font-weight:900;font-size:clamp(38px,4vw,46px);
  line-height:1;letter-spacing:-.02em;color:var(--teal-ink);
}
.stile .sk-u{font-size:.5em;font-weight:800;letter-spacing:0;margin-left:3px}
.stile h4{font-size:18px;line-height:1.3;margin:16px 0 8px}
.stile p{margin:0;color:var(--slate);font-size:14.5px;overflow-wrap:break-word}

/* escalation ramp — the proof gets hotter as the claim gets bigger.
   s1 cool teal -> s2 coral -> s3 coral wash -> sbig full coral. */
.stile.s1::before{background:var(--teal)}
.stile.s1 .sk{color:var(--teal-ink)}

.stile.s2::before{background:var(--coral)}
.stile.s2 .sk{color:var(--coral)}

.stile.s3{background:var(--coral-soft);border-color:#F7C3C8}
.stile.s3::before{background:var(--coral)}
.stile.s3 .sk{color:var(--coral-deep)}
.stile.s3 p{color:#7C3B42}

/* the claim that lands the point — full-width coral band */
.stile.sbig{
  background:linear-gradient(135deg,var(--coral) 0%,var(--coral-deep) 100%);
  border-color:transparent;color:#fff;
  flex-direction:row;align-items:center;gap:40px;padding:34px 40px;
  box-shadow:0 22px 48px -24px rgba(242,59,75,.7);
}
.stile.sbig:hover{box-shadow:0 26px 54px -22px rgba(242,59,75,.75)}
.stile.sbig::before{background:rgba(255,255,255,.5)}
.stile.sbig .sk{color:#fff;font-size:clamp(54px,7vw,78px)}
.stile.sbig .sk-u{font-size:.4em}
.stile.sbig h4{color:#fff;font-size:20px;margin:0 0 6px}
.stile.sbig p{color:rgba(255,255,255,.92);font-size:15.5px;max-width:80ch}
.stile.sbig .sbig-num{flex:0 0 auto}
.stile.sbig .sbig-copy{min-width:0} /* lets long copy wrap instead of pushing past the band */

/* escalating grid: three equal proof cards, then the full-width band */
.tiles-esc{grid-template-columns:repeat(3,1fr);align-items:stretch}
.tiles-esc>.stile.sbig{grid-column:1 / -1}
@media(max-width:900px){
  .tiles-esc{grid-template-columns:repeat(2,1fr)}
  .tiles-esc>.stile:nth-child(3){grid-column:1 / -1} /* odd card out goes wide, not orphaned */
}
@media(max-width:620px){
  .tiles-esc{grid-template-columns:1fr}
  .stile.sbig{flex-direction:column;align-items:flex-start;gap:16px;padding:32px 24px 28px}
}

/* tech tile — the six systems read as instrument panels, not brochure cards.
   Dark cards on the mist section so the stack feels like hardware you'd rack up. */
.tech-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tech-badges span{
  font-family:'Montserrat';font-weight:800;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--slate-dark);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 13px;
}

.ttile{
  --accent-c:var(--teal);
  position:relative;overflow:hidden;
  background:linear-gradient(158deg,var(--ink-2) 0%,var(--ink) 72%);
  border:1px solid rgba(255,255,255,.10);border-radius:18px;
  padding:28px 26px 22px;display:flex;flex-direction:column;
  box-shadow:0 18px 44px -26px rgba(20,27,48,.55);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.ttile.a-coral{--accent-c:var(--coral)}
.ttile.a-gold{--accent-c:var(--gold)}
.ttile::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent-c)}
.ttile::after{ /* accent bloom, keyed to the card's stage color */
  content:"";position:absolute;right:-118px;top:-140px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,var(--accent-c) 0%,transparent 68%);
  opacity:.20;pointer-events:none;transition:opacity .18s ease;
}
.ttile:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2);box-shadow:0 28px 58px -26px rgba(20,27,48,.7)}
.ttile:hover::after{opacity:.34}
.ttile>*{position:relative;z-index:1}
.ttile .tnum{
  position:absolute;top:22px;right:24px;
  font-family:'Montserrat';font-weight:900;font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.26);
}
.ttile .tk{font-family:'Montserrat';font-weight:800;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-c)}
.ttile h4{font-size:19.5px;line-height:1.24;color:#fff;margin:10px 44px 10px 0}
.ttile p{margin:0 0 18px;color:#AEB7CD;font-size:14.5px;line-height:1.62}
.ttile .tsig{
  list-style:none;margin:auto 0 0;padding:14px 0 0;
  display:flex;flex-wrap:wrap;gap:7px;border-top:1px solid rgba(255,255,255,.09);
}
.ttile .tsig li{
  font-size:10.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:#C9D1E6;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:999px;padding:5px 10px;
}

/* bio block */
.bio{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:center}
.bio.flip{grid-template-columns:1fr 300px}
.bio.flip .bio-photo{order:2}
@media(max-width:760px){.bio,.bio.flip{grid-template-columns:1fr;gap:26px}.bio.flip .bio-photo{order:0}}
.bio-photo{
  aspect-ratio:1/1.12;border-radius:20px;overflow:hidden;background:var(--ink);
  border:1px solid var(--line);position:relative;
}
.bio-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 22%}
.bio-photo .ph{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:#7E88A6;background:
    radial-gradient(360px 240px at 70% -10%, rgba(31,196,173,.18), transparent 60%),
    radial-gradient(320px 240px at 0% 120%, rgba(242,59,75,.16), transparent 60%),
    var(--ink);
  font-family:'Montserrat';font-weight:700;font-size:13px;letter-spacing:.06em;text-align:center;padding:20px;
}
.bio-photo .ph .pi{font-size:30px;font-weight:900;color:#fff;letter-spacing:.02em}
.bio .role{font-family:'Montserrat';font-weight:800;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--coral);margin:0 0 10px}
.bio h2{font-size:clamp(30px,3.6vw,44px);margin:0 0 16px}
.bio h2.name{margin:0 0 12px}
.bio .bio-line{
  font-family:'Montserrat',system-ui,Arial,sans-serif;font-weight:700;
  font-size:clamp(19px,1.7vw,23px);line-height:1.24;letter-spacing:-0.01em;
  color:var(--ink);margin:0 0 18px;max-width:30ch;
}
.bio p{color:var(--slate);font-size:16.5px;margin:0 0 14px;max-width:60ch}
.bio .draft{display:inline-block;margin-top:8px;background:var(--coral-soft);border:1px dashed var(--coral);color:#9c2230;border-radius:10px;padding:8px 13px;font-size:12.5px}

/* simple contact row */
.contact-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:8px}
.contact-row .ph-big{font-family:'Montserrat';font-weight:900;font-size:30px;color:#fff}