/* ============================================================
   Heartbeat Labs — /concept
   New home-page flow. Layers on top of styles.css (same tokens,
   same type system). Nothing here overrides the published
   index.html components it borrows (.stile, .ttile, .bio, .logos).
   ============================================================ */

.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--coral);color:#fff;padding:12px 18px;border-radius:0 0 10px 0;
  font-family:'Montserrat';font-weight:800;font-size:13px;
}
.skip:focus{left:0}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),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}
}

/* ============================================================
   1 · NAV
   ============================================================ */
.cnav{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,250,.90);
  backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.cnav.is-stuck{
  background:rgba(245,247,250,.98);border-color:#DBE1EB;
  box-shadow:0 12px 32px -24px rgba(20,27,48,.45);
}
.cnav-inner{display:flex;align-items:center;gap:24px;height:76px}
.cnav-logo img{height:32px;width:auto}
.cnav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.cnav-links a{
  font-family:'Montserrat',sans-serif;font-weight:700;font-size:13px;
  letter-spacing:.07em;text-transform:uppercase;color:var(--slate-dark);
  padding:6px 0;position:relative;white-space:nowrap;
}
.cnav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--coral);transition:right .22s ease;
}
.cnav-links a:hover,.cnav-links a.active{color:var(--ink)}
.cnav-links a:hover::after,.cnav-links a.active::after{right:0}
.cnav-right{display:flex;align-items:center;gap:12px;margin-left:8px}
.cnav-right .btn{padding:12px 22px;font-size:13.5px;letter-spacing:.03em}

.cnav-toggle{
  display:none;width:44px;height:40px;border-radius:12px;
  background:rgba(20,27,48,.06);border:1px solid rgba(20,27,48,.14);
  cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.cnav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.cnav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.cnav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.cnav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.cnav-panel{
  background:#fff;border-top:1px solid var(--line);
  padding:10px 28px 22px;
}
.cnav-panel a{
  display:block;padding:14px 0;border-bottom:1px solid var(--line);
  font-family:'Montserrat';font-weight:700;font-size:15px;color:var(--ink-2);
}
.cnav-panel a:last-child{border-bottom:0;color:var(--coral)}

@media(max-width:1040px){
  .cnav-links{display:none}
  .cnav-toggle{display:flex}
}
@media(max-width:520px){
  .cnav-right .btn{display:none}
}

/* ============================================================
   2 · HERO
   ============================================================ */
.chero{
  position:relative;overflow:hidden;color:#fff;
  padding:112px 0 104px;
  background:
    radial-gradient(900px 560px at 84% -10%, rgba(31,196,173,.22), transparent 62%),
    radial-gradient(760px 540px at 2% 108%, rgba(242,59,75,.26), transparent 60%),
    var(--ink);
}
/* faint heartbeat grid */
.chero-glow{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(70% 70% at 50% 40%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(70% 70% at 50% 40%,#000 30%,transparent 100%);
}
.chero-inner{position:relative;z-index:1}
.chero h1{
  color:#fff;font-weight:900;
  font-size:clamp(40px,6.2vw,84px);line-height:1;letter-spacing:-.025em;
}
.chero h1 .accent{color:var(--coral)}
.chero-sub{color:#B9C2DA;font-size:18px;line-height:1.66;max-width:60ch;margin:26px 0 34px}
.chero .hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- ticker ---------- */
.ticker{
  background:var(--coral);color:#fff;overflow:hidden;
  border-top:1px solid rgba(255,255,255,.2);border-bottom:1px solid rgba(0,0,0,.08);
}
.ticker-run{
  display:flex;align-items:center;white-space:nowrap;padding:13px 0;width:max-content;
  font-family:'Montserrat';font-weight:900;font-size:13px;letter-spacing:.18em;text-transform:uppercase;
  animation:tick 70s linear infinite;
}
.ticker-run>*{margin-right:22px;flex:0 0 auto}
.ticker-run b{opacity:.55;font-weight:700}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){
  .ticker-run{animation:none;justify-content:center;overflow:hidden}
}

/* ============================================================
   3 · BIG REACH headline treatment
   ============================================================ */
.reach-h2{display:flex;flex-direction:column;line-height:.95}
.reach-h2-big{
  font-size:clamp(38px,6vw,74px);font-weight:900;text-transform:uppercase;
  letter-spacing:-.03em;color:var(--ink);
}
.reach-h2-small{
  font-family:'Montserrat';font-weight:500;font-size:clamp(26px,3.6vw,46px);
  letter-spacing:-.01em;color:var(--slate);
}

/* ============================================================
   4 · WHAT WE BUILD — additions to the published .ttile
   ============================================================ */
.ttile .tprod{
  font-family:'Montserrat',sans-serif;font-weight:700;font-size:13px;
  color:#fff;opacity:.9;margin:0 0 14px;line-height:1.35;
}
.ttile .tkicker{
  font-family:'Montserrat',sans-serif;font-weight:700;color:#fff;
  font-size:15.5px;line-height:1.35;margin:0 0 18px;
}
.tiles-tech .ttile h4{font-size:24px;margin:10px 44px 6px 0;letter-spacing:-.02em}
/* every card is the same box, no matter how much copy it carries */
.tiles-tech{grid-auto-rows:1fr}
.tiles-tech .ttile{height:100%}

/* ============================================================
   5 · ECOSYSTEM DIAGRAM
   ============================================================ */
.eco{
  position:relative;
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:18px 22px;align-items:center;
  max-width:1000px;margin:0 auto;
}
.eco-web{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.eco-web g line{
  stroke-dasharray:4 6;
  animation:flow 2.6s linear infinite;
}
@keyframes flow{to{stroke-dashoffset:-20}}
@media(prefers-reduced-motion:reduce){.eco-web g line{animation:none}}

.eco-node{
  position:relative;z-index:1;
  display:flex;align-items:flex-start;gap:11px;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.16);
  border-radius:18px;padding:16px 20px;
  min-height:128px;align-self:center;
  font-family:'Montserrat',sans-serif;font-weight:700;font-size:14px;color:#fff;
  backdrop-filter:blur(4px);
  transition:transform .18s ease,border-color .18s ease,background .18s ease;
}
.eco-node:hover{transform:translateY(-3px);background:rgba(255,255,255,.1);border-color:var(--teal)}
.eco-dot{
  width:9px;height:9px;border-radius:50%;background:var(--teal);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(31,196,173,.18);
  margin-top:5px;   /* sits on the first text line, not the block */
}
.eco-node-txt{display:flex;flex-direction:column;gap:5px}
.eco-node-name{line-height:1.2}
.eco-node-desc{
  font-family:'Inter',system-ui,sans-serif;font-weight:500;font-size:12.5px;
  line-height:1.45;letter-spacing:0;color:#A9B3CD;
}
.eco-node:nth-of-type(even) .eco-dot{background:var(--coral);box-shadow:0 0 0 4px rgba(242,59,75,.18)}

.eco-hub{
  position:relative;z-index:2;text-align:center;
  background:linear-gradient(140deg,var(--coral) 0%,var(--coral-deep) 100%);
  border-radius:22px;padding:30px 26px;
  box-shadow:0 26px 60px -26px rgba(242,59,75,.75);
  display:flex;flex-direction:column;justify-content:center;
}
.eco-hub-k{
  font-family:'Montserrat';font-weight:900;font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:rgba(255,255,255,.8);margin:0;
}
.eco-hub-h{
  font-family:'Montserrat';font-weight:900;font-size:clamp(20px,2.3vw,27px);
  line-height:1.08;letter-spacing:-.02em;color:#fff;margin:8px 0 10px;
}
.eco-hub-p{margin:0;font-size:13.5px;line-height:1.5;color:rgba(255,255,255,.92)}

.eco-badges{justify-content:center;margin:40px auto 0;max-width:700px}
.section-ink .tech-badges span{
  background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#D6DCEC;
}

@media(max-width:860px){
  .eco{grid-template-columns:repeat(2,1fr);gap:12px}
  .eco-web{display:none}
  .eco-hub{grid-column:1 / -1;order:-1;margin-bottom:8px}
  .eco-node{font-size:13px;padding:14px 16px;min-height:0}
}
@media(max-width:420px){
  .eco{grid-template-columns:1fr}
}

/* ============================================================
   6 · CLIENTS
   ============================================================ */
.logos img.wordmark-img{height:27px}   /* edge-cropped wordmark, no logo padding */

/* ============================================================
   7 · MINI CASE STUDIES
   ============================================================ */
.ptile{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:30px 26px 26px;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.ptile:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.ptile .pk{
  font-family:'Montserrat';font-weight:800;font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--coral);margin:0;
}
.ptile h4{font-size:clamp(21px,2vw,24px);line-height:1.24;margin:10px 0 12px;letter-spacing:-.015em}
.ptile>p:not(.pk){color:var(--slate);font-size:15px;margin:0 0 20px}
.pstat{list-style:none;margin:auto 0 0;padding:16px 0 0;display:flex;flex-wrap:wrap;gap:16px 22px;border-top:1px solid var(--line)}
.pstat li{display:flex;flex-direction:column;flex:0 0 auto;min-width:130px}
.pstat b{font-family:'Montserrat';font-weight:900;font-size:24px;color:var(--teal-ink);line-height:1}
.pstat span{font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);margin-top:6px}
.ptile:nth-child(2) .pstat b{color:var(--coral)}
.ptile:nth-child(3) .pstat b{color:var(--gold-ink)}

/* ============================================================
   8 · BIOS — one added line
   ============================================================ */
.bio .bio-quip{
  color:var(--slate-dark);font-size:15.5px;font-style:italic;
  border-left:3px solid var(--coral);padding-left:16px;margin-top:20px;max-width:52ch;
}

/* ============================================================
   9 · HOUSE RULES
   ============================================================ */
.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:rgba(255,255,255,.1);border-radius:18px;overflow:hidden}
.rule{
  background:var(--ink);padding:34px 28px 32px;
  transition:background .2s ease;
}
.rule:hover{background:var(--ink-2)}
.rule .rnum{
  font-family:'Montserrat';font-weight:900;font-size:13px;letter-spacing:.14em;
  color:var(--teal);display:block;
}
.rule h4{color:#fff;font-size:21px;margin:14px 0 10px;letter-spacing:-.015em}
.rule p{margin:0;color:#A9B3CD;font-size:14.5px;line-height:1.62}
/* rule 01 carries a quotation rather than house prose */
.rule .rquote{font-style:italic;color:#C6CEE4}
.rule .rcite{
  margin-top:12px;font-family:'Montserrat';font-weight:800;font-size:11.5px;
  letter-spacing:.1em;text-transform:uppercase;color:#8E99B8;
}
.rule:nth-child(3n+2) .rnum{color:var(--coral)}
.rule:nth-child(3n) .rnum{color:var(--gold)}
@media(max-width:900px){.rules{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.rules{grid-template-columns:1fr}}

/* ============================================================
   10 · FINAL CTA
   ============================================================ */
.section-final{padding:96px 0 104px;background:var(--mist)}
.section-final .cta-band .eyebrow{color:var(--teal)}
.cta-band .shout{
  font-size:clamp(38px,7.4vw,92px);font-weight:900;line-height:.94;
  letter-spacing:-.035em;text-transform:uppercase;
}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;align-items:center}
.cta-band .cta-fine{
  font-family:'Montserrat';font-weight:700;font-size:12.5px;letter-spacing:.16em;
  text-transform:uppercase;color:rgba(255,255,255,.55);margin:30px auto 0;
}

/* ============================================================
   11 · FOOTER
   ============================================================ */
.cfoot{padding:74px 0 34px}
.cfoot-top{display:flex;justify-content:space-between;gap:44px;flex-wrap:wrap}
.cfoot .cfoot-tag{
  font-family:'Montserrat';font-weight:800;font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--teal);margin:0 0 6px;
}
.cfoot .cfoot-line{
  font-family:'Montserrat';font-weight:900;font-size:19px;letter-spacing:-.01em;
  color:#fff;margin:0 0 14px;
}
.cfoot .phone a{color:#fff}
.cfoot .phone a:hover{color:var(--coral)}
.cfoot-cols{display:flex;gap:54px;flex-wrap:wrap}
@media(max-width:560px){.cfoot-cols{gap:30px}}