/* Decibel Labs — website design system
   Single source of truth for site chrome and layout.
   Article-specific styles live in article.css. */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --violet:#5B45E0; --violet-light:#8F7BF0; --violet-pale:#C7BEF5; --violet-tint:#E7E3FB;
  --wash:#F7F6FB; --card:#EFEDF7; --hairline:#E4E1EF; --hair-strong:#D3CFE4;
  --black:#0D0D12; --ink:#111114; --body:#43434C; --label:#84848F;
  --on-dark:#C7C7D1;
  --pad:clamp(24px,5vw,72px); --maxw:1280px; --text:74ch;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  color:var(--body);background:#fff;font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;font-feature-settings:'kern' 1,'liga' 1}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--violet);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
strong{font-weight:700;color:var(--ink)}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--hairline)}
.nav .wrap{display:flex;align-items:center;height:76px}
.mark{font-weight:700;font-size:14.5px;letter-spacing:.18em;color:var(--ink);white-space:nowrap}
.mark:hover{text-decoration:none}
.navlinks{display:flex;gap:30px;margin-left:auto;align-items:center}
.navlinks a{font-size:15px;font-weight:500;color:var(--ink);letter-spacing:-.005em}
.navlinks a:hover{color:var(--violet);text-decoration:none}
.navlinks a.here{color:var(--violet);font-weight:700}
.btn{display:inline-block;background:var(--violet);color:#fff !important;font-weight:600;
  font-size:15px;padding:11px 22px;border-radius:8px;letter-spacing:-.005em}
.btn:hover{background:#4A36C9;text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink) !important;box-shadow:inset 0 0 0 1px var(--hair-strong)}
.btn.ghost:hover{background:var(--wash)}
.btn.ondark{background:#fff;color:var(--ink) !important}
.btn.ondark:hover{background:#EDEDF2}
.btn.ondark.ghost{background:transparent;color:#fff !important;box-shadow:inset 0 0 0 1px rgba(255,255,255,.32)}
.btn.ondark.ghost:hover{background:rgba(255,255,255,.08)}
@media(max-width:900px){.navlinks{gap:20px}.navlinks a:not(.btn){display:none}}

/* ---------- type ---------- */
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:-.03em;line-height:1.1}
h1{font-size:clamp(36px,4.6vw,58px);letter-spacing:-.035em}
h2{font-size:clamp(27px,3vw,40px)}
h3{font-size:clamp(19px,1.7vw,22px);letter-spacing:-.02em;line-height:1.28}
h4{font-size:17px;letter-spacing:-.015em;line-height:1.35}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--label);margin-bottom:26px}
.eyebrow.acc{color:var(--violet)}
.kicker{font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--label);margin-bottom:24px;display:flex;gap:14px;align-items:baseline}
.kicker .n{color:var(--violet)}
.dek{font-size:clamp(17px,1.35vw,20px);line-height:1.62;color:var(--body);max-width:60ch;margin-top:22px}
.narrow{max-width:64ch}
p + p{margin-top:20px}
.muted{color:var(--label)}
.sm{font-size:15px;line-height:1.6}

/* ---------- rhythm ---------- */
section{padding:clamp(64px,8.5vw,132px) 0}
section.snug{padding:clamp(48px,6vw,88px) 0}
.wash{background:var(--wash)}
.dark{background:var(--black);color:var(--on-dark)}
.dark h1,.dark h2,.dark h3,.dark h4{color:#fff}
.dark .eyebrow{color:#9A9AA6}
.dark .dek,.dark p{color:var(--on-dark)}
.dark a{color:#fff}
hr.rule{height:1px;background:var(--hairline);border:0;margin:0}
.head{max-width:70ch;margin-bottom:clamp(40px,4.5vw,64px)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}

/* ---------- grid & cards ---------- */
.grid{display:grid;gap:clamp(16px,1.6vw,24px)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:660px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{border:1px solid var(--hairline);border-radius:14px;padding:clamp(22px,2.4vw,32px);
  background:#fff}
.card h3{margin-bottom:12px}
.card h4{margin-bottom:10px}
.card p{font-size:16px;line-height:1.62;color:var(--body)}
.card .tag{font-size:12px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--violet);display:block;margin-bottom:16px}
.card.fill{background:var(--wash);border-color:transparent}
.card.acc{background:var(--violet);border-color:transparent}
.card.acc h3,.card.acc h4{color:#fff}
.card.acc p{color:var(--violet-tint)}
.card.acc .tag{color:var(--violet-pale)}
.dark .card{background:transparent;border-color:rgba(255,255,255,.16)}
.dark .card p{color:var(--on-dark)}
a.card{display:block;transition:border-color .18s ease,transform .18s ease}
a.card:hover{text-decoration:none;border-color:var(--violet);transform:translateY(-2px)}
a.card .go{display:inline-block;margin-top:18px;font-size:14.5px;font-weight:600;color:var(--violet)}

/* ---------- audience cards ---------- */
.aud h3{font-size:20px;margin-bottom:10px}
.aud p{color:var(--body)}
.aud .who{font-size:13px;font-weight:600;color:var(--label);margin-bottom:14px;
  letter-spacing:-.005em}

/* ---------- numbered list ---------- */
.nums{counter-reset:n;display:grid;gap:clamp(20px,2vw,30px)}
.nums > li{list-style:none;counter-increment:n;display:grid;
  grid-template-columns:44px 1fr;gap:20px;align-items:start}
.nums > li::before{content:counter(n,decimal-leading-zero);font-size:13.5px;font-weight:700;
  color:var(--violet);letter-spacing:.06em;padding-top:5px}
.nums h4{margin-bottom:6px}
.nums p{font-size:16px;line-height:1.6}

/* ---------- journey steps ---------- */
.steps{border-top:1px solid var(--hairline)}
.step{display:grid;grid-template-columns:46px 1fr 148px;gap:22px;padding:24px 0;
  border-bottom:1px solid var(--hairline);align-items:baseline}
.step .n{font-size:13.5px;font-weight:700;color:var(--violet);letter-spacing:.06em}
.step h4{margin-bottom:5px}
.step p{font-size:15.5px;line-height:1.58;color:var(--body)}
.step .dur{font-size:13.5px;font-weight:600;color:var(--label);text-align:right;white-space:nowrap}
.step.ours{background:linear-gradient(90deg,rgba(91,69,224,.045),transparent 70%);
  margin:0 -18px;padding-left:18px;padding-right:18px;border-radius:8px}
.step.ours .n{color:var(--violet)}
.step.ours .dur{color:var(--violet)}
@media(max-width:720px){.step{grid-template-columns:34px 1fr;gap:14px}
  .step .dur{grid-column:2;text-align:left;margin-top:6px}}

/* ---------- split (we carry / you keep) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,1.6vw,24px)}
@media(max-width:760px){.split{grid-template-columns:1fr}}
.split ul{list-style:none;margin-top:18px}
.split li{font-size:16px;line-height:1.5;padding:11px 0 11px 22px;position:relative;
  border-top:1px solid var(--hairline)}
.split li:first-child{border-top:0}
.split li::before{content:"";position:absolute;left:0;top:20px;width:7px;height:7px;
  border-radius:2px;background:var(--violet)}
.split .keep li::before{background:var(--hair-strong)}

/* ---------- callout (rare) ---------- */
.callout{border-left:2px solid var(--violet);padding:6px 0 6px 26px;margin:clamp(36px,4vw,52px) 0;
  font-size:clamp(19px,1.9vw,25px);font-weight:700;color:var(--ink);line-height:1.36;
  letter-spacing:-.024em;max-width:36ch}
.callout em{font-style:normal;color:var(--violet)}
.dark .callout{border-left-color:var(--violet-light);color:#fff}
.dark .callout em{color:var(--violet-light)}

/* ---------- stats ---------- */
.stat{font-size:clamp(34px,3.4vw,44px);font-weight:700;color:var(--ink);letter-spacing:-.035em;
  line-height:1}
.stat + p{font-size:15px;margin-top:12px;color:var(--body);line-height:1.5}
.dark .stat{color:#fff}

/* ---------- people ---------- */
.person{border-top:1px solid var(--hairline);padding:24px 0}
.person h4{font-size:18px;margin-bottom:3px}
.person .role{font-size:14px;color:var(--violet);font-weight:600;margin-bottom:10px}
.person p{font-size:15.5px;line-height:1.58}

/* ---------- article ---------- */
.arthead{padding:clamp(44px,5.5vw,80px) 0 0}
.arthead h1{max-width:20ch;font-size:clamp(31px,3.9vw,50px)}
.artdek{font-size:19px;line-height:1.6;color:var(--body);max-width:64ch;margin-top:22px}
.prose > *{max-width:var(--text);max-width:70ch}
.prose p{font-size:18px;line-height:1.75;margin:22px 0}
.prose h2{margin:60px 0 2px;font-size:clamp(24px,2.5vw,31px)}
.prose h3{margin:40px 0 0}
.prose ul,.prose ol{margin:22px 0 22px 22px;font-size:18px;line-height:1.7}
.prose li{margin:9px 0}
.prose li::marker{color:var(--violet)}
.prose .full{max-width:none}
.prose blockquote{margin:44px 0;padding:0 0 0 24px;border-left:2px solid var(--violet);
  font-size:22px;font-weight:700;line-height:1.38;color:var(--ink);letter-spacing:-.022em}
.prose .callout{max-width:52ch}
.serieslink{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid var(--hairline);padding-top:28px;margin-top:56px;align-items:center}
.serieslink p{font-size:15.5px;margin:4px 0 0}

/* ---------- figures ---------- */
figure{margin:clamp(40px,4.5vw,60px) 0}
figure svg{width:100%;height:auto}
figcaption{font-size:14px;color:var(--label);margin-top:16px;line-height:1.55;max-width:66ch}
.figbox{background:var(--wash);border-radius:16px;padding:clamp(20px,3vw,40px)}

/* ---------- series list ---------- */
.serieshead{display:flex;gap:14px;align-items:baseline;flex-wrap:wrap}
.pill{font-size:11.5px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  padding:5px 11px;border-radius:6px;background:var(--card);color:var(--violet)}
.pill.soon{color:var(--label)}
.parts{margin-top:28px;border-top:1px solid var(--hairline)}
.part{display:grid;grid-template-columns:46px 1fr 86px;gap:20px;padding:22px 0;
  border-bottom:1px solid var(--hairline);align-items:baseline}
.part .num{font-size:13.5px;font-weight:700;color:var(--violet);letter-spacing:.06em}
.part.soon .num{color:var(--label)}
.part h4{font-size:18px}
.part.soon h4{color:var(--label)}
.part p{font-size:15.5px;color:var(--body);margin-top:5px}
.part .st{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--label);text-align:right}
a.part:hover{text-decoration:none}
a.part:hover h4{color:var(--violet)}
@media(max-width:640px){.part{grid-template-columns:32px 1fr}.part .st{display:none}}

/* ---------- footer ---------- */
footer{background:var(--black);color:var(--on-dark);padding:clamp(56px,7vw,88px) 0 36px}
footer h4{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:#9A9AA6;margin-bottom:16px;font-weight:700}
footer a{color:var(--on-dark);font-size:15.5px;display:block;margin-bottom:11px}
footer a:hover{color:#fff}
.fgrid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
@media(max-width:860px){.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.fgrid{grid-template-columns:1fr}}
.fbot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:52px;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.13);font-size:13.5px;color:#84848F}

ul.tick{list-style:none;margin-top:18px}
ul.tick li{font-size:16px;line-height:1.5;padding:11px 0 11px 22px;position:relative;
  border-top:1px solid var(--hairline)}
ul.tick li:first-child{border-top:0}
ul.tick li::before{content:"";position:absolute;left:0;top:20px;width:7px;height:7px;
  border-radius:2px;background:var(--violet)}

.hero{padding:clamp(56px,8vw,112px) 0 clamp(52px,6vw,88px)}
.hero h1{font-size:clamp(38px,5.4vw,68px);line-height:1.04}
.credstrip{display:flex;flex-wrap:wrap;gap:10px 30px;margin-top:clamp(48px,6vw,80px);
  padding-top:22px;border-top:1px solid var(--hairline)}
.credstrip span{font-size:13px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  color:var(--label)}