/* Yokubera — founder launch studio. Brand system v1. */
:root{
  --sumi:#1A1613; --washi:#F6F1E8; --paper:#FBF8F1; --shu:#C23A2B; --shu-d:#A82E20;
  --stone:#8C8378; --ai:#26303F; --line:#E7E0D1; --ink:#2b2620;
  --sans:'Inter','Avenir Next','Helvetica Neue',Arial,sans-serif;
  --serif:'Lora','Georgia',serif;
  --wrap:1120px; --r:14px;
  --sh:0 1px 2px rgba(26,22,19,.04),0 8px 30px rgba(26,22,19,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
section{padding:110px 0}
.eyebrow{font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--shu);font-weight:700;margin-bottom:18px}
h1,h2,h3{color:var(--sumi);font-weight:600;letter-spacing:-.01em;line-height:1.12}
h1{font-size:clamp(38px,6vw,66px);font-weight:500}
h2{font-size:clamp(28px,4vw,42px);font-weight:500}
h3{font-size:20px}
p{color:var(--ink)}
.lead{font-size:clamp(18px,2.2vw,22px);color:#4a443c;line-height:1.55;max-width:42ch}
.serif{font-family:var(--serif)}
.mut{color:var(--stone)}
.rule{width:56px;height:3px;background:var(--shu);border-radius:2px;margin:22px 0}
.center{text-align:center} .center .rule{margin:22px auto}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--sumi);color:var(--washi);
  padding:14px 26px;border-radius:100px;font-weight:600;font-size:15px;transition:.2s;border:1px solid var(--sumi)}
.btn:hover{background:#000;transform:translateY(-2px)}
.btn.shu{background:var(--shu);border-color:var(--shu)} .btn.shu:hover{background:var(--shu-d)}
.btn.ghost{background:transparent;color:var(--sumi);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--sumi);background:#fff}
.arrow{transition:transform .2s}.btn:hover .arrow{transform:translateX(3px)}

/* NAV */
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s;padding:20px 0}
header.scrolled,body.subpage header{background:rgba(251,248,241,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:13px 0}
.nav{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.brand .seal{width:38px;height:38px;flex:0 0 38px}
.brand .name{font-size:20px;font-weight:600;letter-spacing:.02em;color:var(--sumi)}
header:not(.scrolled):not(body.subpage *) .brand .name{color:var(--sumi)}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:15px;font-weight:500;color:var(--ink);transition:.2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--shu)}
.nav-links a.navbtn{color:var(--washi)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--sumi);transition:.3s}
.mobile{display:none}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:120px 0 90px;overflow:hidden}
.hero .wrap{position:relative;z-index:2}
.hero .seal-bg{position:absolute;right:-6%;top:50%;transform:translateY(-50%);width:min(52vw,640px);opacity:.06;z-index:1;pointer-events:none}
.hero h1{max-width:16ch}
.hero .lead{margin:26px 0 34px;max-width:52ch}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}
.tagpill{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--shu);background:rgba(194,58,43,.08);border:1px solid rgba(194,58,43,.2);padding:7px 15px;border-radius:100px;margin-bottom:26px}
.tagpill .dot{width:7px;height:7px;border-radius:50%;background:var(--shu)}

/* SERVICES */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)} .g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 28px;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#dcd3c0}
.card .num{font-family:var(--serif);font-size:15px;color:var(--shu);font-weight:600}
.card h3{margin:14px 0 9px}
.card p{font-size:15px;color:var(--stone);line-height:1.6}

/* STEP / PROCESS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:20px}
.step{position:relative;padding-top:26px}
.step:before{content:"";position:absolute;top:6px;left:0;width:36px;height:2px;background:var(--shu)}
.step .n{font-size:13px;letter-spacing:.2em;color:var(--shu);font-weight:700;text-transform:uppercase}
.step h3{font-size:18px;margin:10px 0 7px}
.step p{font-size:14.5px;color:var(--stone)}

/* SPLIT / DARK */
.dark{background:var(--sumi);color:var(--washi)}
.dark h1,.dark h2,.dark h3{color:var(--washi)}
.dark .lead{color:rgba(246,241,232,.75)}
.dark .mut{color:rgba(246,241,232,.55)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.stat-row{display:flex;gap:44px;flex-wrap:wrap;margin-top:26px}
.stat .big{font-size:44px;font-weight:300;color:var(--shu);font-family:var(--serif);line-height:1}
.dark .stat .big{color:#e06a5b}
.stat .lab{font-size:13px;color:var(--stone);margin-top:6px;letter-spacing:.04em}

/* WORK / CASE */
.case{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s}
.case:hover{box-shadow:var(--sh);transform:translateY(-4px)}
.case .top{background:var(--ai);padding:44px 34px;color:var(--washi);position:relative;min-height:180px;display:flex;flex-direction:column;justify-content:flex-end}
.case .top.owes{background:linear-gradient(135deg,#1f3d34,#0f2019)}
.case .tag{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.7);font-weight:600}
.case .top h3{color:#fff;font-size:26px;margin-top:8px}
.case .body{padding:26px 30px 30px}
.case .body p{font-size:15px;color:var(--stone)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chips span{font-size:12.5px;color:var(--sumi);border:1px solid var(--line);border-radius:100px;padding:5px 13px}

/* CTA band */
.band{background:var(--shu);color:#fff;border-radius:22px;padding:64px 56px;text-align:center;position:relative;overflow:hidden}
.band h2{color:#fff} .band p{color:rgba(255,255,255,.9);max-width:50ch;margin:14px auto 28px}
.band .seal-bg{position:absolute;right:-40px;bottom:-40px;width:220px;opacity:.12}
.band .btn{background:#fff;color:var(--sumi);border-color:#fff}.band .btn:hover{background:var(--sumi);color:#fff}

/* FORM */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:38px;box-shadow:var(--sh)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--sumi);margin-bottom:7px;text-transform:uppercase}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;
  font-family:var(--sans);font-size:15px;color:var(--sumi);background:var(--paper);transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--shu);background:#fff;box-shadow:0 0 0 3px rgba(194,58,43,.1)}
.field textarea{resize:vertical;min-height:120px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* FOOTER */
footer{background:var(--sumi);color:rgba(246,241,232,.7);padding:70px 0 34px}
footer h4{color:var(--washi);font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding-bottom:40px;border-bottom:1px solid rgba(246,241,232,.12)}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot-brand .name{color:var(--washi);font-size:20px;font-weight:600}
footer a{color:rgba(246,241,232,.7);font-size:15px;display:block;padding:5px 0;transition:.2s}
footer a:hover{color:var(--shu)}
.foot-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;font-size:13px;color:rgba(246,241,232,.45)}
.foot-legal a{display:inline;padding:0;font-size:13px;color:rgba(246,241,232,.6)}.foot-legal a:hover{color:var(--shu)}

/* reveal — progressive enhancement: hidden only when JS is active */
.reveal{transition:.7s cubic-bezier(.16,1,.3,1)}
html.js .reveal{opacity:0;transform:translateY(26px)}
html.js .reveal.in{opacity:1;transform:none}
html.qa .hero{min-height:auto;padding:150px 0 90px} /* QA screenshots only */

.sec-head{max-width:52ch;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto}

/* LEGAL PAGES */
.legal{max-width:760px;margin:0 auto;padding:150px 24px 90px}
.legal h1{font-size:clamp(30px,5vw,42px);margin-bottom:6px}
.legal .updated{color:var(--stone);font-size:14px}
.legal h2{font-size:20px;margin:34px 0 10px;color:var(--sumi)}
.legal p,.legal li{font-size:15px;line-height:1.7;color:var(--ink)}
.legal ul{padding-left:20px;margin:8px 0}.legal li{margin:5px 0}
.legal a{color:var(--shu);font-weight:600}
.legal .lnote{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--shu);border-radius:10px;padding:14px 16px;font-size:14px;color:var(--stone);margin:18px 0}

/* PRODUCT / PORTFOLIO CARDS */
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.pcard:hover{box-shadow:var(--sh);transform:translateY(-4px)}
.pcard .logo{min-height:116px;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--paper);border-bottom:1px solid var(--line)}
.pcard .logo img{max-height:60px;max-width:78%;width:auto}
.pcard .pbody{padding:22px 24px 24px;flex:1;display:flex;flex-direction:column}
.pcard .pbody h3{font-size:20px;margin-bottom:6px}
.pcard .pbody p{font-size:14.5px;color:var(--stone);line-height:1.55}
.pcard .pbody .chips{margin-top:14px}
.pcard .plink{margin-top:16px;color:var(--shu);font-weight:600;font-size:14px;align-self:flex-start}

/* PRICING */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px 28px;display:flex;flex-direction:column;transition:.25s}
.tier:hover{box-shadow:var(--sh);transform:translateY(-4px)}
.tier.featured{border-color:var(--shu);box-shadow:0 12px 44px rgba(194,58,43,.14);position:relative}
.tier .pop{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--shu);color:#fff;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;padding:5px 15px;border-radius:100px;white-space:nowrap}
.tier .tname{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--shu);font-weight:700}
.tier .tfor{color:var(--stone);font-size:14px;margin-top:5px;min-height:40px}
.tier .price{font-family:var(--serif);font-size:40px;font-weight:500;color:var(--sumi);margin:12px 0 2px;line-height:1}
.tier .price small{font-family:var(--sans);font-size:15px;color:var(--stone);font-weight:400}
.tier .sep{font-size:13px;color:var(--stone);margin-bottom:20px;min-height:20px}
.tier .sep s{opacity:.8}
.tier ul{list-style:none;margin:6px 0 26px;flex:1}
.tier li{font-size:14.5px;padding:8px 0 8px 26px;position:relative;color:var(--ink);border-bottom:1px solid var(--line)}
.tier li:before{content:"";position:absolute;left:0;top:14px;width:11px;height:11px;background:var(--shu);border-radius:2px}
.tier .btn{width:100%;justify-content:center}
.price-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.price-row .pr-name{font-weight:600;color:var(--sumi);font-size:16px}
.price-row .pr-desc{color:var(--stone);font-size:13.5px;margin-top:2px}
.price-row .pr-price{color:var(--shu);font-weight:600;font-size:16px;white-space:nowrap}
.dark .price-row .pr-name{color:var(--washi)}
.dark .price-row,.dark .faq-item{border-color:rgba(246,241,232,.14)}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0}
.faq-item h3{font-size:17px;margin-bottom:6px}
.faq-item p{font-size:15px;color:var(--stone)}

@media(max-width:900px){
  .split{grid-template-columns:1fr;gap:36px}
  .g3,.steps{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .tiers{grid-template-columns:1fr;max-width:460px;margin:0 auto}
}
@media(max-width:640px){
  section{padding:76px 0}
  .nav-links{position:fixed;inset:0 0 0 auto;width:78%;max-width:320px;background:var(--paper);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:26px;padding:40px;
    transform:translateX(100%);transition:.34s;box-shadow:-10px 0 40px rgba(0,0,0,.12)}
  .nav-links.open{transform:none}
  .nav-links a{font-size:20px}
  .burger{display:flex;z-index:60}
  .g3,.g2,.steps,.g2 .row2,.row2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .band{padding:44px 26px}
  .stat-row{gap:28px}
}