/* Equentor — site stylesheet
   Consumes the Equentor Design System tokens (tokens/*.css).
   Brand fonts are loaded via the <link> in each page <head>. */
@import url('tokens/colors.css');
@import url('tokens/typography.css');
@import url('tokens/spacing.css');

:root{
  /* convenience aliases kept for legacy markup that referenced short names */
  --display:var(--font-display);
  --body:var(--font-body);
  --mono:var(--font-mono);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--text-body);
  background:var(--surface-page);line-height:var(--leading-body);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
.wrap{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-pad)}
h1,h2,h3{
  font-family:var(--font-display);color:var(--text-heading);
  font-weight:var(--weight-semibold);line-height:var(--leading-tight);
  letter-spacing:var(--tracking-heading);margin:0;text-wrap:balance;
}
p{margin:0;text-wrap:pretty}
.eyebrow{
  font-family:var(--font-mono);font-size:var(--text-eyebrow);
  letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;
  color:var(--text-accent);font-weight:var(--weight-medium);
  display:inline-flex;align-items:center;gap:9px;
}
/* tiny hex bullet leading every eyebrow — the brand's icon system */
.eyebrow::before{
  content:"";width:8px;height:9px;flex:0 0 auto;background:var(--steel);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:var(--border-width) solid var(--border-default);
}
.nav .wrap{display:flex;align-items:center;gap:18px;height:var(--nav-height)}
.brand{
  display:flex;align-items:center;gap:11px;font-family:var(--font-display);
  font-weight:var(--weight-medium);font-size:20px;letter-spacing:var(--tracking-brand);
  color:var(--navy);flex:0 0 auto;
}
.brand svg{width:32px;height:32px;display:block}
.nav-links{display:flex;gap:6px;margin-left:auto;align-items:center}
.nav-links a{
  position:relative;font-size:13px;color:var(--text-muted);font-weight:var(--weight-medium);
  transition:color var(--dur-fast) var(--ease-standard);white-space:nowrap;padding:8px 9px;border-radius:var(--radius-sm);
}
.nav-links a:not(.btn)::after{
  content:"";position:absolute;left:9px;right:9px;bottom:3px;height:1.5px;
  background:var(--steel);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur-base) var(--ease-standard);
}
.nav-links a:not(.btn):hover{color:var(--navy)}
.nav-links a.active{color:var(--navy)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-links a:not(.btn):hover::after{transform:scaleX(1);background:var(--steel-soft)}
.nav-links .btn{margin-left:10px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body);
  font-weight:var(--weight-semibold);font-size:14px;padding:11px 20px;
  border-radius:var(--radius-md);border:var(--border-width) solid var(--navy);
  background:var(--navy);color:#fff;cursor:pointer;white-space:nowrap;
  transition:background var(--dur-base) var(--ease-standard),border-color var(--dur-base) var(--ease-standard),color var(--dur-base) var(--ease-standard),transform var(--dur-base) var(--ease-standard);
}
.btn:hover{background:var(--steel);border-color:var(--steel);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.ghost:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn.invert{background:#fff;color:var(--navy);border-color:#fff}
.btn.invert:hover{background:var(--steel);color:#fff;border-color:var(--steel)}
.menu-toggle{display:none;margin-left:auto;background:none;border:0;cursor:pointer;color:var(--navy)}

/* shared faint hexagon texture, used behind hero + every page header */
.hex-texture::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='56' height='96' viewBox='0 0 56 96'><g fill='none' stroke='%23183048' stroke-opacity='0.05' stroke-width='1.4'><polygon points='28,2 54,17 54,47 28,62 2,47 2,17'/><polygon points='28,50 54,65 54,95 28,110 2,95 2,65'/></g></svg>");
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:var(--border-width) solid var(--border-default)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.9;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='56' height='96' viewBox='0 0 56 96'><g fill='none' stroke='%23183048' stroke-opacity='0.05' stroke-width='1.4'><polygon points='28,2 54,17 54,47 28,62 2,47 2,17'/><polygon points='28,50 54,65 54,95 28,110 2,95 2,65'/></g></svg>");
}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:clamp(56px,8vw,90px) var(--container-pad)}
.hero h1{font-size:clamp(34px,4.6vw,58px);font-weight:var(--weight-semibold)}
.hero .lede{margin-top:22px;font-size:var(--text-lead);color:var(--text-body);max-width:36ch}
.hero .cta-row{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.hero-art{position:relative;display:flex;justify-content:center;align-items:center;padding:24px}
.hero-art::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-2xl);
  background:var(--bg-soft);border:var(--border-width) solid var(--border-default);
}
.hero-art svg{position:relative;width:100%;max-width:420px;height:auto}

/* ---------- Page header ---------- */
.page-header{position:relative;overflow:hidden;border-bottom:var(--border-width) solid var(--border-default);background:var(--surface-page)}
.page-header::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='56' height='96' viewBox='0 0 56 96'><g fill='none' stroke='%23183048' stroke-opacity='0.05' stroke-width='1.4'><polygon points='28,2 54,17 54,47 28,62 2,47 2,17'/><polygon points='28,50 54,65 54,95 28,110 2,95 2,65'/></g></svg>");
}
.page-header .wrap{position:relative;padding:clamp(48px,6vw,70px) var(--container-pad) clamp(40px,5vw,52px)}
.page-header h1{font-size:clamp(30px,3.6vw,44px);margin-top:14px}
.page-header .lede{margin-top:18px;font-size:var(--text-lead-sm);color:var(--text-muted);max-width:62ch}

/* ---------- Trust bar ---------- */
.trust{background:var(--surface-dark);color:var(--on-navy-faint)}
.trust .wrap{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;padding:16px var(--container-pad);font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em}
.trust span{display:inline-flex;align-items:center;gap:10px}
.trust span::before{content:"";width:7px;height:8px;background:var(--steel);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}

/* ---------- Sections ---------- */
section{padding:clamp(54px,7vw,74px) 0;scroll-margin-top:calc(var(--nav-height) + 12px)}
.section-soft{background:var(--surface-soft)}
.section-head{max-width:64ch;margin-bottom:var(--space-7)}
.section-head h2{font-size:clamp(25px,3vw,33px)}
.section-head p{margin-top:14px;color:var(--text-muted);font-size:16.5px}

/* ---------- Feature cards (4-up) ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--surface-card);border:var(--border-width) solid var(--border-default);border-radius:var(--radius-xl);padding:26px 22px;transition:transform var(--dur-slow) var(--ease-standard),box-shadow var(--dur-slow) var(--ease-standard),border-color var(--dur-slow) var(--ease-standard)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:var(--border-accent)}
.card .hx{width:26px;height:30px;margin-bottom:16px;transition:transform var(--dur-slow) var(--ease-standard)}
.card:hover .hx{transform:rotate(15deg)}
.card h3{font-size:var(--text-h3);margin-bottom:8px}
.card p{font-size:var(--text-sm);color:var(--text-muted)}

/* ---------- Link cards ---------- */
.linkcards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.linkcard{display:block;background:var(--surface-card);border:var(--border-width) solid var(--border-default);border-radius:var(--radius-xl);padding:24px;transition:transform var(--dur-slow) var(--ease-standard),border-color var(--dur-slow) var(--ease-standard),box-shadow var(--dur-slow) var(--ease-standard)}
.linkcard:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:var(--shadow-card-hover)}
.linkcard h3{font-size:17px;margin-bottom:6px}
.linkcard p{font-size:14px;color:var(--text-muted)}
.linkcard .go{font-family:var(--font-mono);font-size:12px;color:var(--steel);margin-top:12px;display:inline-block;transition:transform var(--dur-base) var(--ease-standard)}
.linkcard:hover .go{transform:translateX(4px)}

/* ---------- Feature left-rule + grids ---------- */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{border-left:var(--border-accent-width) solid var(--steel);padding:4px 0 4px 20px}
.feature h3{font-size:17px;margin-bottom:6px}
.feature p{color:var(--text-muted);font-size:var(--text-sm)}

/* ---------- Tech split / MPC diagram ---------- */
.tech-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.mpc-art{position:relative;padding:24px}
.mpc-art::before{content:"";position:absolute;inset:0;border-radius:var(--radius-2xl);background:var(--surface-card);border:var(--border-width) solid var(--border-default)}
.mpc-art svg{position:relative;width:100%;max-width:430px;height:auto;display:block;margin:0 auto}

/* ---------- Compare columns ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.ccol{border:var(--border-width) solid var(--border-default);border-radius:var(--radius-lg);padding:24px;background:var(--surface-soft)}
.ccol.alt{background:var(--surface-card);border-color:var(--border-accent)}
.ccol .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-muted)}
.ccol.alt .tag{color:var(--steel)}
.ccol h3{font-size:17px;margin:8px 0 12px}
.ccol ul{margin:0;padding-left:18px;font-size:14px;color:var(--text-muted)}
.ccol li{margin:7px 0}

/* ---------- Callout ---------- */
.callout{background:var(--surface-card);border:var(--border-width) solid var(--border-default);border-left:3px solid var(--navy);border-radius:var(--radius-lg);padding:22px 24px}
.callout .eyebrow{margin-bottom:8px}
.callout p{font-size:15px;color:var(--text-body)}

/* ---------- Chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.chip{font-family:var(--font-mono);font-size:14px;font-weight:var(--weight-medium);color:var(--navy);background:var(--surface-card);border:var(--border-width) solid var(--border-accent);border-radius:var(--radius-pill);padding:9px 18px;transition:border-color var(--dur-base) var(--ease-standard),background var(--dur-base) var(--ease-standard)}
.chip:hover{border-color:var(--steel);background:var(--steel-soft)}
.subhead{font-family:var(--font-mono);font-size:12px;letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-muted);margin:26px 0 4px}
.note{margin-top:20px;font-size:14px;color:var(--text-muted)}

/* ---------- Use cases ---------- */
.usecases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ucard{background:var(--surface-card);border:var(--border-width) solid var(--border-default);border-radius:var(--radius-xl);padding:26px 24px;transition:transform var(--dur-slow) var(--ease-standard),box-shadow var(--dur-slow) var(--ease-standard),border-color var(--dur-slow) var(--ease-standard)}
.ucard:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:var(--border-accent)}
.ucard h3{font-size:var(--text-h3);margin-bottom:8px}
.ucard p{font-size:var(--text-sm);color:var(--text-muted)}

/* ---------- Custody models ---------- */
.models{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mcard{background:var(--surface-card);border:var(--border-width) solid var(--border-default);border-radius:var(--radius-xl);padding:28px 26px}
.mcard .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--steel)}
.mcard h3{font-size:var(--text-h3);margin:8px 0}
.mcard p{font-size:var(--text-sm);color:var(--text-muted)}
.mcard ul{margin:14px 0 0;padding-left:18px;color:var(--text-muted);font-size:14px}
.mcard li{margin:5px 0}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--surface-soft);border:var(--border-width) solid var(--border-default);border-radius:var(--radius-lg);padding:22px 20px;transition:border-color var(--dur-base) var(--ease-standard)}
.stat:hover{border-color:var(--border-accent)}
.stat h3{font-size:15px;margin-bottom:6px}
.stat p{font-size:13.5px;color:var(--text-muted)}

/* ---------- FAQ ---------- */
details.q{border-bottom:var(--border-width) solid var(--border-default);padding:16px 0}
details.q summary{font-family:var(--font-display);font-weight:var(--weight-semibold);color:var(--navy);font-size:16px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;transition:color var(--dur-fast) var(--ease-standard)}
details.q summary:hover{color:var(--steel)}
details.q summary::-webkit-details-marker{display:none}
details.q summary::after{content:"+";color:var(--steel);font-family:var(--font-mono);transition:transform var(--dur-base) var(--ease-standard)}
details.q[open] summary::after{content:"\2212"}
details.q p{margin-top:10px;color:var(--text-muted);font-size:var(--text-sm);max-width:74ch}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;gap:16px}
.step{display:flex;gap:18px;align-items:flex-start;background:var(--surface-card);border:var(--border-width) solid var(--border-default);border-radius:var(--radius-lg);padding:18px 22px;transition:border-color var(--dur-base) var(--ease-standard),transform var(--dur-base) var(--ease-standard)}
.step:hover{border-color:var(--border-accent);transform:translateX(3px)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--font-mono);font-size:14px;color:var(--steel);font-weight:var(--weight-medium);flex:0 0 auto;width:34px}
.step h3{font-size:16px;margin-bottom:3px}
.step p{font-size:var(--text-sm);color:var(--text-muted)}

/* ---------- API / developers ---------- */
.api-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.panel{border:var(--border-width) solid var(--border-default);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface-card)}
.panel .head{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);padding:12px 18px;border-bottom:var(--border-width) solid var(--border-default);background:var(--surface-soft)}
.kv{font-family:var(--font-mono);font-size:13px;padding:14px 18px;line-height:var(--leading-loose)}
.kv b{color:var(--navy)}
.endpoints{width:100%;border-collapse:collapse;font-size:13px}
.endpoints td{border-bottom:var(--border-width) solid var(--border-default);padding:10px 18px;vertical-align:top}
.endpoints tr:last-child td{border-bottom:0}
.endpoints .m{font-family:var(--font-mono);color:var(--navy);white-space:nowrap}
.endpoints .d{color:var(--text-muted)}
.code{background:var(--surface-code);color:var(--code-fg);border-radius:var(--radius-lg);padding:20px 22px;font-family:var(--font-mono);font-size:12.7px;line-height:1.75;overflow-x:auto;white-space:pre}
.code .k{color:var(--code-keyword)}.code .s{color:var(--code-string)}.code .c{color:var(--code-comment)}.code .p{color:var(--code-punct)}
.codetitle{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin:24px 0 8px}

/* ---------- Lifecycle flow ---------- */
.lifecycle{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;align-items:center}
.lifecycle .st{font-family:var(--font-mono);font-size:12px;color:var(--navy);background:var(--steel-soft);border-radius:var(--radius-sm);padding:6px 11px}
.lifecycle .ar{color:var(--steel);align-self:center}

/* ---------- About facts ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px}
dl.facts{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 24px;font-size:var(--text-sm)}
dl.facts dt{font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);align-self:center}
dl.facts dd{margin:0;color:var(--text-body)}

/* ---------- CTA band ---------- */
.ctaband{background:var(--surface-dark);color:var(--on-navy);border-radius:var(--radius-2xl);padding:42px 44px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;position:relative;overflow:hidden}
.ctaband::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='56' height='96' viewBox='0 0 56 96'><g fill='none' stroke='%23ffffff' stroke-opacity='0.06' stroke-width='1.4'><polygon points='28,2 54,17 54,47 28,62 2,47 2,17'/><polygon points='28,50 54,65 54,95 28,110 2,95 2,65'/></g></svg>");
}
.ctaband>*{position:relative}
.ctaband h2{color:#fff;font-size:26px}
.ctaband p{color:var(--on-navy-muted);margin-top:6px;max-width:48ch}

/* ---------- Contact ---------- */
.contact-split{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.contact-box{background:var(--surface-dark);color:var(--on-navy);border-radius:var(--radius-xl);padding:32px 34px;position:relative;overflow:hidden}
.contact-box::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='56' height='96' viewBox='0 0 56 96'><g fill='none' stroke='%23ffffff' stroke-opacity='0.06' stroke-width='1.4'><polygon points='28,2 54,17 54,47 28,62 2,47 2,17'/><polygon points='28,50 54,65 54,95 28,110 2,95 2,65'/></g></svg>");
}
.contact-box>*{position:relative}
.contact-box h3{color:#fff;font-size:var(--text-h3);margin-bottom:10px}
.contact-box a.mail{font-family:var(--font-mono);font-size:15px;color:#fff;border-bottom:1px solid var(--steel)}
.form{display:grid;gap:14px;max-width:560px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{display:block;font-size:12px;color:var(--text-muted);font-family:var(--font-mono);letter-spacing:.04em;margin-bottom:6px}
.form input,.form textarea{width:100%;border:var(--border-width) solid var(--border-default);border-radius:var(--radius-md);padding:11px 13px;font-family:var(--font-body);font-size:14px;color:var(--text-body);background:var(--surface-card);transition:border-color var(--dur-base) var(--ease-standard),box-shadow var(--dur-base) var(--ease-standard)}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--steel);box-shadow:0 0 0 3px var(--steel-soft)}
.form textarea{min-height:120px;resize:vertical}

/* ---------- Footer ---------- */
footer{background:var(--surface-soft);border-top:var(--border-width) solid var(--border-default);padding:44px 0 40px;font-size:var(--text-xs);color:var(--text-muted)}
footer .top{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start}
footer .brand{font-size:18px}
footer .legal{max-width:62ch;line-height:1.7}
footer .fnav{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px}
footer .fnav a{color:var(--text-muted);transition:color var(--dur-fast) var(--ease-standard)}
footer .fnav a:hover{color:var(--navy)}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity var(--dur-reveal) var(--ease-standard),transform var(--dur-reveal) var(--ease-standard)}
.reveal.in{opacity:1;transform:none}
:focus-visible{outline:2px solid var(--steel);outline-offset:3px;border-radius:4px}

/* ---------- Responsive ---------- */
@media (max-width:1040px){
  .hero .wrap{grid-template-columns:1fr;padding:60px var(--container-pad)}
  .hero-art{order:-1}
  .cards,.usecases,.stats{grid-template-columns:1fr 1fr}
  .grid2,.tech-split,.api-grid,.about-grid,.linkcards,.models,.grid3,.contact-split,.compare{grid-template-columns:1fr;gap:26px}
  .form .row{grid-template-columns:1fr}
  .nav-links{display:none}
  .menu-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:var(--nav-height);left:0;right:0;background:#fff;flex-direction:column;padding:18px var(--container-pad);border-bottom:var(--border-width) solid var(--border-default);gap:8px}
  .nav-links.open a{padding:10px 9px}
  .nav-links.open a:not(.btn)::after{display:none}
  .nav-links .btn{margin-left:0;margin-top:6px}
}
@media (max-width:560px){.cards,.usecases,.stats{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}*{scroll-behavior:auto}}
