interchained-ds.css

/* ===========================================================================
   INTERCHAINED — Sovereign Design System  ·  2027
   Faithful palette extracted from the medallion: navy / gold / red on cream.
   Two directions share one token contract: [data-theme="light|dark"]
   =========================================================================== */

:root {
  /* ---- Raw palette (faithful to the coin) ------------------------------- */
  --navy-900:#021D38; --navy-800:#03284D; --navy-700:#033866; --navy-600:#03396F;
  --navy-500:#0A4A82; --navy-400:#2E6BA0; --navy-300:#6E93BA;

  --gold-700:#A9762F; --gold-600:#C99A4E; --gold-500:#E0B874; --gold-400:#EABE77;
  --gold-300:#F3D28F; --gold-200:#F6E2B4; --gold-100:#FEF8D7;

  --red-700:#7E0F20; --red-600:#9E1428; --red-500:#B81B32; --red-400:#CB3A4F;

  --paper:#F4F1E8; --paper-2:#FBFAF4; --paper-3:#EAE4D4;
  --ash:#0E1A28;

  /* ---- Type ------------------------------------------------------------- */
  --font-display:'Space Grotesk', system-ui, sans-serif;
  --font-body:'Hanken Grotesk', system-ui, sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, monospace;

  /* ---- Geometry --------------------------------------------------------- */
  --r-xs:4px; --r-sm:8px; --r-md:12px; --r-lg:18px; --r-xl:28px; --r-pill:999px;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px;
  --sp-7:48px; --sp-8:64px; --sp-9:96px; --sp-10:128px;
  --maxw:1180px;
  --gold-foil:linear-gradient(135deg,#A9762F 0%,#E0B874 26%,#FEF8D7 47%,#E0B874 64%,#C99A4E 82%,#F3D28F 100%);
}

/* ===== THEME · SOVEREIGN LIGHT (The Mint) ================================= */
[data-theme="light"]{
  --bg:var(--paper); --bg-grain:#EFEADB;
  --surface:var(--paper-2); --surface-2:#F0ECE0; --surface-sunk:#EAE4D4;
  --ink:#06243F; --ink-2:#3C4F63; --ink-3:#7C8794;
  --line:rgba(3,56,102,.16); --line-strong:rgba(3,56,102,.34);
  --navy:var(--navy-700); --navy-ink:var(--navy-800);
  --gold:var(--gold-600); --gold-deep:var(--gold-700); --gold-soft:#F4E7C6;
  --red:var(--red-500); --red-soft:#F3D8DC;
  --seal-ring:var(--gold-600);
  --shadow-sm:0 1px 2px rgba(2,29,56,.08), 0 2px 6px rgba(2,29,56,.06);
  --shadow-md:0 8px 24px rgba(2,29,56,.10), 0 2px 6px rgba(2,29,56,.06);
  --shadow-lg:0 30px 70px rgba(2,29,56,.16), 0 8px 20px rgba(2,29,56,.08);
  --guilloche:rgba(3,56,102,.05);
  --guilloche-2:rgba(169,118,47,.06);
  color-scheme:light;
}

/* ===== THEME · SOVEREIGN DARK (The Vault) ================================ */
[data-theme="dark"]{
  --bg:#05101F; --bg-grain:#081627;
  --surface:#0A1E37; --surface-2:#0E274A; --surface-sunk:#06182E;
  --ink:#F2ECDC; --ink-2:#A9BCD0; --ink-3:#6E8299;
  --line:rgba(234,190,119,.16); --line-strong:rgba(234,190,119,.34);
  --navy:#0A4A82; --navy-ink:#06182E;
  --gold:var(--gold-400); --gold-deep:var(--gold-600); --gold-soft:rgba(234,190,119,.14);
  --red:var(--red-400); --red-soft:rgba(203,58,79,.18);
  --seal-ring:var(--gold-400);
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 10px 30px rgba(0,0,0,.5);
  --shadow-lg:0 40px 90px rgba(0,0,0,.6), 0 0 0 1px rgba(234,190,119,.08);
  --guilloche:rgba(234,190,119,.06);
  --guilloche-2:rgba(46,107,160,.10);
  color-scheme:dark;
}

/* ===== Reset / base ====================================================== */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body); background:var(--bg); color:var(--ink);
  line-height:1.55; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  transition:background .5s ease, color .5s ease;
  overflow-x:hidden;
}
::selection{background:var(--gold-300);color:var(--navy-800)}
[data-theme="dark"] ::selection{background:var(--gold-400);color:var(--navy-900)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* fine paper / engraving texture on the body */
body::before{
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    repeating-radial-gradient(circle at 18% 22%, transparent 0 11px, var(--guilloche) 11px 12px),
    repeating-radial-gradient(circle at 82% 78%, transparent 0 14px, var(--guilloche-2) 14px 15px);
  opacity:.55; mix-blend-mode:normal;
}

/* ===== Layout ============================================================ */
.wrap{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 var(--sp-5)}
.section{padding:var(--sp-9) 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:none}

.eyebrow{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.34em;text-transform:uppercase;
  color:var(--gold-deep);display:flex;align-items:center;gap:10px;font-weight:500;
}
[data-theme="dark"] .eyebrow{color:var(--gold)}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold-deep);opacity:.7}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);
  flex-wrap:wrap;margin-bottom:var(--sp-7);padding-bottom:var(--sp-4);border-bottom:1px solid var(--line)}
.sec-head h2{font-family:var(--font-display);font-weight:600;font-size:clamp(28px,4vw,46px);
  letter-spacing:-.02em;line-height:1.02;margin-top:14px}
.sec-head .idx{font-family:var(--font-mono);font-size:12px;color:var(--ink-3);letter-spacing:.1em}
.sec-head p{max-width:42ch;color:var(--ink-2);font-size:15.5px}

/* ===== Sticky header / theme switch ====================================== */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px) saturate(1.3);
  background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--line)}
.topbar .row{display:flex;align-items:center;justify-content:space-between;
  height:64px;max-width:var(--maxw);margin:0 auto;padding:0 var(--sp-5)}
.brand-mini{display:flex;align-items:center;gap:12px;font-family:var(--font-display);
  font-weight:600;letter-spacing:.02em;font-size:16px}
.brand-mini img{width:34px;height:34px;filter:drop-shadow(0 2px 5px rgba(2,29,56,.35))}
.brand-mini .tld{font-family:var(--font-mono);font-weight:400;color:var(--ink-3);font-size:12px;
  letter-spacing:.18em;text-transform:uppercase}
.topnav{display:flex;gap:26px;font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-2)}
.topnav a{position:relative;padding:4px 0;transition:color .2s}
.topnav a:hover{color:var(--gold-deep)}
[data-theme="dark"] .topnav a:hover{color:var(--gold)}
@media(max-width:760px){.topnav{display:none}}

.switch{display:inline-flex;align-items:center;gap:0;border:1px solid var(--line-strong);
  border-radius:var(--r-pill);padding:3px;background:var(--surface-sunk);position:relative}
.switch button{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  border:none;background:none;color:var(--ink-3);padding:7px 13px;border-radius:var(--r-pill);
  cursor:pointer;display:flex;align-items:center;gap:7px;transition:color .25s}
.switch button .dot{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.5}
.switch button[aria-pressed="true"]{color:var(--navy-800);background:var(--gold-foil);
  box-shadow:0 1px 3px rgba(2,29,56,.25)}
.switch button[aria-pressed="true"] .dot{opacity:1;background:var(--navy-800)}
[data-theme="dark"] .switch button[aria-pressed="true"]{color:var(--navy-900)}

/* ===== Masthead ========================================================== */
.masthead{position:relative;overflow:hidden;padding:var(--sp-10) 0 var(--sp-9);
  border-top:none}
.masthead .guilloche-field{position:absolute;inset:-20% -10% auto -10%;height:140%;z-index:0;
  opacity:.9;pointer-events:none;
  background:
    repeating-conic-gradient(from 0deg at 50% 42%, var(--guilloche) 0deg 1.4deg, transparent 1.4deg 4.2deg),
    repeating-radial-gradient(circle at 50% 42%, transparent 0 28px, var(--guilloche-2) 28px 30px);
  -webkit-mask-image:radial-gradient(60% 55% at 50% 40%, #000 0%, transparent 72%);
          mask-image:radial-gradient(60% 55% at 50% 40%, #000 0%, transparent 72%);}
.masthead .inner{position:relative;z-index:1;text-align:center;display:flex;flex-direction:column;
  align-items:center}
.coin{width:188px;height:188px;filter:drop-shadow(0 24px 50px rgba(2,29,56,.42));
  animation:coin-in 1.1s cubic-bezier(.2,.8,.2,1) both}
@keyframes coin-in{from{opacity:0;transform:translateY(18px) scale(.86) rotate(-12deg)}
  to{opacity:1;transform:none}}
.masthead h1{font-family:var(--font-display);font-weight:600;letter-spacing:.16em;
  font-size:clamp(40px,8vw,92px);line-height:.96;margin:var(--sp-5) 0 0;
  background:var(--gold-foil);-webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 1px 0 rgba(0,0,0,.04)}
.masthead .lede{font-family:var(--font-mono);font-size:13px;letter-spacing:.42em;text-transform:uppercase;
  color:var(--ink-2);margin-top:18px}
.masthead .tag{font-family:var(--font-body);font-size:clamp(17px,2.4vw,22px);color:var(--ink-2);
  max-width:40ch;margin:var(--sp-5) auto 0;line-height:1.5}
.masthead .tag b{color:var(--ink);font-weight:600}
.rule-chain{display:flex;align-items:center;justify-content:center;gap:14px;margin:var(--sp-6) 0 0;
  color:var(--gold-deep)}
[data-theme="dark"] .rule-chain{color:var(--gold)}
.rule-chain .ln{height:1px;width:64px;background:currentColor;opacity:.6}
.rule-chain .hx{width:13px;height:13px;border:1.5px solid currentColor;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}

.meta-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--sp-6);margin-top:var(--sp-7);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.meta-strip b{color:var(--ink);font-weight:500}

/* ===== Cards / generic ==================================================== */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm)}
.grid{display:grid;gap:var(--sp-5)}
.label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}

/* ===== Color section ===================================================== */
.swatch-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.swatch{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.swatch .chip{height:96px;position:relative;display:flex;align-items:flex-end;justify-content:flex-end;padding:10px}
.swatch .chip .star{font-family:var(--font-mono);font-size:10px;color:rgba(255,255,255,.85);
  letter-spacing:.1em;background:rgba(0,0,0,.22);padding:2px 6px;border-radius:5px;backdrop-filter:blur(3px)}
.swatch .meta{padding:11px 12px 13px}
.swatch .meta .nm{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;font-weight:500}
.swatch .meta .hx{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);margin-top:3px;text-transform:uppercase}

.ramp-row{display:flex;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);margin-top:8px}
.ramp-row .cell{flex:1;height:62px;position:relative}
.ramp-row .cell span{position:absolute;left:0;right:0;bottom:6px;text-align:center;
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:.06em}
.ramp-cap{display:flex;align-items:baseline;gap:10px}
.ramp-cap h4{font-family:var(--font-display);font-weight:600;font-size:18px;letter-spacing:-.01em}

/* ===== Typography section ================================================ */
.type-spec{display:grid;gap:var(--sp-5)}
.type-row{display:grid;grid-template-columns:120px 1fr;gap:var(--sp-5);align-items:baseline;
  padding-bottom:var(--sp-4);border-bottom:1px solid var(--line)}
.type-row .spec{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);letter-spacing:.04em;line-height:1.7}
.type-row .spec b{display:block;color:var(--ink);font-size:12px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}
.type-sample{font-family:var(--font-display);line-height:1.04;letter-spacing:-.02em;color:var(--ink)}
.font-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:var(--sp-6)}
.font-card{padding:var(--sp-5);border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}
.font-card .big{font-size:54px;line-height:1;margin-bottom:14px}
.font-card .role{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep)}
[data-theme="dark"] .font-card .role{color:var(--gold)}
.font-card .name{font-family:var(--font-display);font-weight:600;font-size:19px;margin:6px 0 2px}
.font-card .gly{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);margin-top:10px;word-spacing:2px}
@media(max-width:760px){.font-cards{grid-template-columns:1fr}.type-row{grid-template-columns:1fr}}

/* ===== Tokens (spacing/radius/elevation) ================================= */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5)}
@media(max-width:860px){.token-grid{grid-template-columns:1fr}}
.token-panel{padding:var(--sp-5);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface)}
.token-panel h4{font-family:var(--font-display);font-weight:600;font-size:17px;margin-bottom:var(--sp-4);
  display:flex;align-items:center;gap:8px}
.token-panel h4 .hx{width:11px;height:11px;background:var(--gold);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.sp-row{display:flex;align-items:center;gap:14px;margin-bottom:11px}
.sp-row .bar{height:14px;background:var(--gold-foil);border-radius:3px}
.sp-row .t{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);min-width:78px}
.radius-demo{display:flex;gap:12px;flex-wrap:wrap}
.radius-demo div{width:54px;height:54px;background:var(--navy);border:1px solid var(--line-strong);
  display:flex;align-items:flex-end;justify-content:center;padding-bottom:4px}
.radius-demo div span{font-family:var(--font-mono);font-size:9px;color:var(--gold-300)}
.elev-demo{display:flex;flex-direction:column;gap:16px}
.elev-demo div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 14px;font-family:var(--font-mono);font-size:11px;color:var(--ink-3)}

/* ===== Components ======================================================== */
.comp-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-5)}
@media(max-width:860px){.comp-grid{grid-template-columns:1fr}}
.comp{padding:var(--sp-6);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);
  box-shadow:var(--shadow-sm)}
.comp > .label{margin-bottom:var(--sp-5);display:block}
.btn-stack{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.row-wrap{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* Buttons */
.btn{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;
  font-weight:500;border-radius:var(--r-sm);padding:13px 22px;cursor:pointer;border:1px solid transparent;
  display:inline-flex;align-items:center;gap:9px;transition:transform .15s ease, box-shadow .2s, background .2s, color .2s;
  position:relative}
.btn:active{transform:translateY(1px)}
.btn .hx{width:9px;height:9px;background:currentColor;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.btn-gold{background:var(--gold-foil);color:var(--navy-800);box-shadow:0 4px 14px rgba(169,118,47,.35),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-gold:hover{box-shadow:0 6px 22px rgba(169,118,47,.5),inset 0 1px 0 rgba(255,255,255,.6);transform:translateY(-1px)}
.btn-navy{background:var(--navy);color:var(--gold-100);border-color:var(--navy-ink)}
.btn-navy:hover{background:var(--navy-800);transform:translateY(-1px)}
[data-theme="dark"] .btn-navy{background:var(--navy-500)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-deep)}
[data-theme="dark"] .btn-ghost:hover{color:var(--gold)}
.btn-red{background:var(--red);color:#fff;box-shadow:0 4px 14px rgba(184,27,50,.32)}
.btn-red:hover{background:var(--red-600);transform:translateY(-1px)}
.btn-sm{padding:8px 14px;font-size:11px}

/* Seals / badges */
.seal{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.1em;text-transform:uppercase;padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong)}
.seal .dot{width:7px;height:7px;border-radius:50%}
.seal-verified{color:var(--navy);border-color:var(--gold);background:var(--gold-soft)}
[data-theme="dark"] .seal-verified{color:var(--gold)}
.seal-verified .dot{background:var(--gold)}
.seal-live{color:var(--red);border-color:var(--red);background:var(--red-soft)}
.seal-live .dot{background:var(--red);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.seal-quiet{color:var(--ink-3)}
.seal-quiet .dot{background:var(--ink-3)}

/* Input */
.field{display:flex;flex-direction:column;gap:7px;width:100%}
.field label{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.field .inp{display:flex;align-items:center;gap:10px;background:var(--surface-sunk);
  border:1px solid var(--line-strong);border-radius:var(--r-sm);padding:0 14px;transition:border .2s,box-shadow .2s}
.field .inp:focus-within{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-soft)}
.field .inp .hx{width:10px;height:10px;background:var(--gold-deep);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);flex:none}
.field input{flex:1;border:none;background:none;font-family:var(--font-body);font-size:15px;
  color:var(--ink);padding:13px 0;outline:none}
.field input::placeholder{color:var(--ink-3)}

/* Toggle */
.tgl{width:48px;height:27px;border-radius:var(--r-pill);background:var(--surface-sunk);
  border:1px solid var(--line-strong);position:relative;cursor:pointer;transition:background .25s,border .25s;flex:none}
.tgl::after{content:"";position:absolute;top:2px;left:2px;width:21px;height:21px;border-radius:50%;
  background:var(--ink-3);transition:transform .25s,background .25s}
.tgl[aria-pressed="true"]{background:var(--navy);border-color:var(--navy-ink)}
.tgl[aria-pressed="true"]::after{transform:translateX(21px);background:var(--gold-300)}

/* Asset / data card */
.asset-card{padding:var(--sp-5);border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);position:relative;overflow:hidden}
.asset-card .top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.asset-card .id{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);letter-spacing:.08em}
.asset-card .val{font-family:var(--font-display);font-weight:600;font-size:34px;letter-spacing:-.02em;line-height:1}
.asset-card .sub{font-family:var(--font-mono);font-size:11px;color:var(--ink-3);margin-top:6px;letter-spacing:.04em}
.asset-card .chip-row{display:flex;gap:7px;margin-top:16px}
.asset-card .delta{color:var(--gold-deep);font-weight:600}
[data-theme="dark"] .asset-card .delta{color:var(--gold)}

/* Alert */
.alert{display:flex;gap:13px;padding:15px 17px;border-radius:var(--r-md);border:1px solid var(--line-strong);
  align-items:flex-start;background:var(--surface-sunk)}
.alert .hx{width:16px;height:16px;flex:none;margin-top:2px;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.alert .t{font-size:13.5px;color:var(--ink-2);line-height:1.5}
.alert .t b{color:var(--ink);font-weight:600;display:block;font-family:var(--font-display);letter-spacing:0}
.alert-gold .hx{background:var(--gold)}
.alert-red{border-color:var(--red)}.alert-red .hx{background:var(--red)}

/* ===== Motifs ============================================================ */
.motif-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5)}
@media(max-width:860px){.motif-grid{grid-template-columns:1fr}}
.motif{aspect-ratio:1/1;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface-sunk);
  position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.motif .cap{position:absolute;left:14px;bottom:12px;font-family:var(--font-mono);font-size:10.5px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);z-index:2}
.motif-guilloche{background:
  repeating-conic-gradient(from 0deg at 50% 50%, var(--navy) 0deg .5deg, transparent .5deg 3deg),
  repeating-radial-gradient(circle at 50% 50%, transparent 0 9px, var(--gold-soft) 9px 10px);
  opacity:1}
[data-theme="light"] .motif-guilloche{background:
  repeating-conic-gradient(from 0deg at 50% 50%, rgba(3,56,102,.5) 0deg .5deg, transparent .5deg 3deg),
  repeating-radial-gradient(circle at 50% 50%, transparent 0 9px, rgba(169,118,47,.18) 9px 10px)}
.hex-seal{width:120px;height:130px;position:relative;display:flex;align-items:center;justify-content:center}
.hex-seal .ring{position:absolute;inset:0;border:2px solid var(--gold);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.hex-seal .ring.r2{inset:14px;border-color:var(--red);opacity:.8}
.hex-seal .ring.r3{inset:30px;border-color:var(--navy);border-width:1.5px}
.hex-seal img{width:46px;height:46px}
.rings .c{position:absolute;border-radius:50%;border:1px solid var(--gold)}

/* ===== In-context: landing + mobile ===================================== */
.context-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:var(--sp-6);align-items:stretch}
@media(max-width:920px){.context-grid{grid-template-columns:1fr}}

.mini-landing{border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--shadow-lg);background:var(--navy-900);color:var(--gold-100);position:relative;min-height:440px}
.mini-landing .ml-guilloche{position:absolute;inset:0;opacity:.5;
  background:repeating-conic-gradient(from 0deg at 78% 30%, rgba(234,190,119,.07) 0deg 1.2deg, transparent 1.2deg 4deg),
  repeating-radial-gradient(circle at 78% 30%, transparent 0 24px, rgba(46,107,160,.12) 24px 26px);
  -webkit-mask-image:radial-gradient(60% 60% at 78% 30%,#000,transparent 70%)}
.mini-landing .ml-nav{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;
  position:relative;z-index:2;border-bottom:1px solid rgba(234,190,119,.14)}
.mini-landing .ml-nav .lg{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;letter-spacing:.04em}
.mini-landing .ml-nav .lg img{width:26px;height:26px}
.mini-landing .ml-nav .lk{display:flex;gap:22px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(242,236,220,.66)}
@media(max-width:560px){.mini-landing .ml-nav .lk{display:none}}
.mini-landing .ml-body{position:relative;z-index:2;padding:48px 28px 38px;max-width:560px}
.mini-landing .ml-body .kbd{font-family:var(--font-mono);font-size:11px;letter-spacing:.34em;text-transform:uppercase;
  color:var(--gold-300)}
.mini-landing .ml-body h3{font-family:var(--font-display);font-weight:600;font-size:clamp(32px,5vw,52px);
  line-height:1.02;letter-spacing:-.02em;margin:16px 0 0;color:#fff}
.mini-landing .ml-body h3 em{font-style:normal;background:var(--gold-foil);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.mini-landing .ml-body p{color:rgba(242,236,220,.74);font-size:15px;margin-top:18px;max-width:42ch}
.mini-landing .ml-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}

/* phone */
.phone{justify-self:center;width:296px;height:600px;border-radius:42px;background:#0b0b0d;
  padding:11px;box-shadow:var(--shadow-lg);position:relative;flex:none}
.phone .scr{width:100%;height:100%;border-radius:32px;overflow:hidden;background:var(--bg);position:relative;
  display:flex;flex-direction:column}
.phone .notch{position:absolute;top:11px;left:50%;transform:translateX(-50%);width:120px;height:26px;
  background:#0b0b0d;border-radius:0 0 16px 16px;z-index:10}
.ph-status{display:flex;justify-content:space-between;padding:14px 22px 6px;font-family:var(--font-mono);
  font-size:11px;color:var(--ink);font-weight:500}
.ph-head{padding:8px 20px 14px;display:flex;align-items:center;justify-content:space-between}
.ph-head .hi{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.ph-head .nm{font-family:var(--font-display);font-weight:600;font-size:19px}
.ph-head .av{width:38px;height:38px;border-radius:50%;background:var(--gold-foil);border:1px solid var(--line-strong)}
.ph-balance{margin:6px 20px 0;border-radius:var(--r-lg);padding:20px;color:var(--gold-100);position:relative;overflow:hidden;
  background:linear-gradient(150deg,var(--navy-800),var(--navy-700) 60%,var(--navy-600));border:1px solid var(--navy-ink)}
.ph-balance::after{content:"";position:absolute;inset:0;opacity:.5;
  background:repeating-conic-gradient(from 0deg at 80% 20%,rgba(234,190,119,.1) 0deg 1deg,transparent 1deg 4deg)}
.ph-balance .lb{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-300);position:relative}
.ph-balance .amt{font-family:var(--font-display);font-weight:600;font-size:34px;margin-top:8px;letter-spacing:-.02em;position:relative}
.ph-balance .amt small{font-size:16px;color:var(--gold-300);font-weight:400}
.ph-balance .dl{position:relative;font-family:var(--font-mono);font-size:11px;color:var(--gold-200);margin-top:6px}
.ph-actions{display:flex;gap:10px;margin:16px 20px 0}
.ph-actions button{flex:1;font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  padding:11px 0;border-radius:var(--r-sm);border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);
  display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer}
.ph-actions button .hx{width:13px;height:13px;background:var(--gold-deep);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.ph-list{margin:18px 20px 0;flex:1}
.ph-list .ti{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
.ph-item{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line)}
.ph-item .ic{width:34px;height:34px;border-radius:10px;background:var(--surface-sunk);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;flex:none}
.ph-item .ic .hx{width:13px;height:13px;background:var(--navy);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
[data-theme="dark"] .ph-item .ic .hx{background:var(--gold)}
.ph-item .mid{flex:1}
.ph-item .mid .a{font-family:var(--font-body);font-weight:600;font-size:14px}
.ph-item .mid .b{font-family:var(--font-mono);font-size:10.5px;color:var(--ink-3)}
.ph-item .amt{font-family:var(--font-mono);font-size:13px;font-weight:500}
.ph-item .amt.pos{color:var(--gold-deep)}
[data-theme="dark"] .ph-item .amt.pos{color:var(--gold)}
.ph-tab{display:flex;justify-content:space-around;padding:14px 0 20px;border-top:1px solid var(--line);margin-top:4px}
.ph-tab .t{width:8px;height:8px;background:var(--ink-3);opacity:.4;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.ph-tab .t.on{background:var(--gold-deep);opacity:1}
[data-theme="dark"] .ph-tab .t.on{background:var(--gold)}

/* footer */
.foot{padding:var(--sp-8) 0 var(--sp-9);border-top:1px solid var(--line);text-align:center}
.foot .coin-s{width:46px;height:46px;margin:0 auto var(--sp-4);filter:drop-shadow(0 4px 10px rgba(2,29,56,.3))}
.foot .nm{font-family:var(--font-display);font-weight:600;letter-spacing:.16em;font-size:20px;
  background:var(--gold-foil);-webkit-background-clip:text;background-clip:text;color:transparent}
.foot .mt{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);margin-top:10px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.coin{animation:none}}