/* ============================================================
   AiVA Brand Book — stylesheet
   Dark glass over a living waveform. Cover = "Spectrum Editorial",
   interior texture = the violet particle constellation.
   ============================================================ */

/* ---------- Fonts (self-hosted brand faces) ---------- */
@font-face { font-family:"Raleway"; font-style:normal; font-weight:300; font-display:swap; src:url("../assets/fonts/Raleway-Light.ttf") format("truetype"); }
@font-face { font-family:"Raleway"; font-style:normal; font-weight:400; font-display:swap; src:url("../assets/fonts/Raleway-Regular.ttf") format("truetype"); }
@font-face { font-family:"Raleway"; font-style:italic; font-weight:400; font-display:swap; src:url("../assets/fonts/Raleway-Italic.ttf") format("truetype"); }
@font-face { font-family:"Raleway"; font-style:normal; font-weight:500; font-display:swap; src:url("../assets/fonts/Raleway-Medium.ttf") format("truetype"); }
@font-face { font-family:"Raleway"; font-style:normal; font-weight:600; font-display:swap; src:url("../assets/fonts/Raleway-SemiBold.ttf") format("truetype"); }
@font-face { font-family:"Raleway"; font-style:normal; font-weight:700; font-display:swap; src:url("../assets/fonts/Raleway-Bold.ttf") format("truetype"); }
@font-face { font-family:"Raleway"; font-style:normal; font-weight:800; font-display:swap; src:url("../assets/fonts/Raleway-ExtraBold.ttf") format("truetype"); }
@font-face { font-family:"Raleway"; font-style:normal; font-weight:900; font-display:swap; src:url("../assets/fonts/Raleway-Black.ttf") format("truetype"); }
@font-face { font-family:"Conthrax"; font-style:normal; font-weight:600; font-display:swap; src:url("../assets/fonts/conthrax-sb.ttf") format("truetype"); }

:root {
  --violet:#9d2cfc; --violet-bright:#b24dff; --blue:#5b8cff; --cyan:#22c9e6;
  --spectrum:linear-gradient(90deg,#b24dff 0%,#5b8cff 52%,#22c9e6 100%);
  --bg-top:#0e1018; --bg-bottom:#08090e;
  --ink:#ffffffe6; --ink-2:#ffffffb3; --ink-3:#ffffff80; --ink-4:#ffffff59;
  --glass:#ffffff0a; --glass-2:#ffffff06; --hair:#ffffff24; --hair-soft:#ffffff14;
  --sans:"Raleway",ui-sans-serif,system-ui,sans-serif;
  --disp:"Conthrax",var(--sans);
  --maxw:980px;
  --green:#4ef081; --red:#ff6b6b; --amber:#fdb022; --mint:#00dd84; --info:#5b9fff;
}

* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  margin:0; color:var(--ink); font-family:var(--sans); font-weight:400;
  background:linear-gradient(180deg,var(--bg-top) 0%,var(--bg-bottom) 100%);
  background-attachment:fixed; -webkit-font-smoothing:antialiased;
  line-height:1.6; letter-spacing:0.005em;
}
::selection { background:rgba(157,44,252,0.32); color:#fff; }
a { color:inherit; text-decoration:none; }
img { display:block; max-width:100%; }

/* fixed ambient layers */
.bg-burst {
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:radial-gradient(900px 700px at 76% -8%, rgba(157,44,252,0.18), transparent 60%),
             radial-gradient(800px 600px at 10% 108%, rgba(34,201,230,0.10), transparent 60%);
}
.page { position:relative; z-index:2; }

/* ===================== layout shell ===================== */
.shell { display:grid; grid-template-columns:248px 1fr; }
.nav {
  position:sticky; top:0; align-self:start; height:100vh; z-index:5;
  background:rgba(10,12,18,0.55); backdrop-filter:blur(10px);
  border-right:1px solid var(--hair-soft);
  display:flex; flex-direction:column; padding:26px 0;
}
.nav-brand { display:flex; align-items:center; gap:11px; padding:0 24px 22px; }
.nav-brand img { width:34px; height:34px; }
.nav-brand .wm { font-family:var(--disp); font-weight:600; font-size:21px; letter-spacing:0.05em;
  background:linear-gradient(160deg,#fff,#cdb3ff); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.nav-scroll { overflow-y:auto; flex:1; padding:6px 0; }
.nav-scroll::-webkit-scrollbar { width:7px; }
.nav-scroll::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.12); border-radius:4px; }
.nav a {
  display:flex; align-items:center; gap:12px; padding:9px 24px;
  font-size:13.5px; color:var(--ink-3); font-weight:500; transition:color .2s, background .2s;
  border-left:2px solid transparent;
}
.nav a:hover { color:var(--ink); background:rgba(255,255,255,0.04); }
.nav a.active { color:#fff; border-left-color:var(--violet-bright); background:rgba(157,44,252,0.10); }
.nav a .ix { font-family:var(--disp); font-size:10.5px; color:var(--ink-4); min-width:22px; letter-spacing:0.03em; }
.nav a.active .ix { color:var(--violet-bright); }
.nav-foot { padding:18px 24px 0; border-top:1px solid var(--hair-soft); margin-top:8px; font-size:11px; color:var(--ink-4); line-height:1.7; }

.content { min-width:0; }

/* ===================== cover (Spectrum Editorial) ===================== */
.cover { position:relative; min-height:100vh; overflow:hidden; display:flex; flex-direction:column; justify-content:center;
  padding:0 clamp(40px,7vw,110px); }
.cover .leftbar { position:absolute; left:0; top:0; bottom:0; width:10px; background:var(--spectrum); z-index:6; }
.cover .field { position:absolute; inset:0; z-index:1; pointer-events:none; }
.cover .field .dot { position:absolute; border-radius:50%; }
.cover .wavefaint {
  position:absolute; right:-4%; bottom:-12%; width:64%; height:84%; z-index:1;
  background-image:url("../assets/waveform.png"); background-size:cover; background-position:left center;
  opacity:0.5; mix-blend-mode:screen;
  -webkit-mask-image:radial-gradient(120% 100% at 100% 80%, #000 28%, transparent 76%);
  mask-image:radial-gradient(120% 100% at 100% 80%, #000 28%, transparent 76%);
}
.cover .topmark { position:absolute; top:38px; right:clamp(40px,7vw,110px); display:flex; align-items:center; gap:13px; z-index:6; }
.cover .topmark img { width:42px; height:42px; }
.cover .topmark .wm { font-family:var(--disp); font-size:26px; font-weight:600; letter-spacing:0.05em;
  background:linear-gradient(160deg,#fff,#cdb3ff); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.cover-inner { position:relative; z-index:5; max-width:760px; }
.cover .eyebrow { font-size:13px; letter-spacing:0.32em; text-transform:uppercase; color:#9d6bff; font-weight:700; margin-bottom:30px; }
.cover h1 { font-weight:800; font-size:clamp(64px,11vw,128px); line-height:0.9; letter-spacing:-0.025em; margin:0; color:#fff; }
.cover h1 em { font-style:normal; display:block; background:var(--spectrum); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.cover .sub { font-size:clamp(15px,1.6vw,18px); line-height:1.55; color:var(--ink-2); margin:34px 0 0; max-width:460px; }
.cover .meta-card {
  position:absolute; right:clamp(40px,7vw,110px); bottom:60px; width:268px; z-index:6;
  background:rgba(255,255,255,0.05); border:1px solid var(--hair); border-radius:16px;
  backdrop-filter:blur(8px); padding:20px 24px; box-shadow:0 16px 40px rgba(0,0,0,0.35);
}
.cover .meta-card .crow { display:flex; justify-content:space-between; align-items:baseline; padding:8px 0; }
.cover .meta-card .crow + .crow { border-top:1px solid var(--hair-soft); }
.cover .meta-card .k { font-size:11px; letter-spacing:0.06em; text-transform:uppercase; color:var(--ink-4); }
.cover .meta-card .v { font-size:13px; color:var(--ink); font-weight:600; }
.cover .scroll-hint { position:absolute; left:clamp(40px,7vw,110px); bottom:40px; z-index:6; font-size:11px; letter-spacing:0.22em; text-transform:uppercase; color:var(--ink-4); display:flex; align-items:center; gap:10px; }
.cover .scroll-hint .ln { width:40px; height:1px; background:var(--ink-4); }

/* ===================== sections ===================== */
.section { position:relative; padding:96px clamp(40px,7vw,104px); border-top:1px solid var(--hair-soft); max-width:1320px; }
.section.divider::before {
  content:""; position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, rgba(157,44,252,0.5), transparent);
}
.sec-head { display:flex; align-items:baseline; gap:18px; margin-bottom:14px; }
.sec-num { font-family:var(--disp); font-size:14px; color:var(--violet-bright); letter-spacing:0.04em; }
.sec-kicker { font-size:12px; letter-spacing:0.22em; text-transform:uppercase; color:var(--ink-3); font-weight:600; }
.section h2 { font-size:clamp(30px,4.4vw,46px); font-weight:800; letter-spacing:-0.02em; line-height:1.04; margin:0 0 22px; max-width:18ch; }
.section h2 .grad { background:var(--spectrum); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.lead { font-size:clamp(16px,1.8vw,19px); line-height:1.62; color:var(--ink-2); max-width:62ch; }
.lead.tight { max-width:54ch; }
p { text-wrap:pretty; }
.muted { color:var(--ink-3); }
.body-copy { font-size:15.5px; line-height:1.7; color:var(--ink-2); max-width:60ch; }
.eyebrow-sm { font-size:11.5px; letter-spacing:0.16em; text-transform:uppercase; color:var(--ink-3); font-weight:700; margin:0 0 12px; }

/* glass card */
.card {
  background:var(--glass); border:1px solid var(--hair-soft); border-radius:18px;
  box-shadow:0 16px 40px rgba(0,0,0,0.25), inset 0 0 22px rgba(255,255,255,0.03);
  backdrop-filter:blur(2px); padding:26px;
}
.grid { display:grid; gap:20px; }
.g2 { grid-template-columns:repeat(2,1fr); }
.g3 { grid-template-columns:repeat(3,1fr); }
.g4 { grid-template-columns:repeat(4,1fr); }
.mt-28 { margin-top:28px; } .mt-40 { margin-top:40px; } .mt-18 { margin-top:18px; }

/* ===================== positioning / tagline ===================== */
.tagline-wrap { margin:40px 0 8px; }
.tagline { font-weight:800; font-size:clamp(34px,5.6vw,68px); line-height:1.02; letter-spacing:-0.025em; }
.tagline .grad { background:var(--spectrum); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.tagline-note { font-size:13px; color:var(--ink-3); margin-top:14px; letter-spacing:0.02em; }
.pillrow { display:flex; flex-wrap:wrap; gap:10px; margin-top:26px; }
.pill { font-size:13px; font-weight:600; color:var(--ink); padding:8px 16px; border-radius:999px; border:1px solid var(--hair); background:rgba(255,255,255,0.03); }
.three-up { margin-top:14px; }
.three-up .card h3 { margin:14px 0 8px; font-size:18px; font-weight:700; }
.three-up .card p { margin:0; font-size:14px; line-height:1.6; color:var(--ink-2); }
.actword { font-family:var(--disp); font-size:13px; letter-spacing:0.05em; color:var(--violet-bright); }

/* ===================== logo ===================== */
.logo-stage {
  position:relative; border-radius:20px; overflow:hidden; min-height:300px;
  background:radial-gradient(circle at 50% 38%, rgba(157,44,252,0.18), transparent 62%), linear-gradient(180deg,#11131c,#0a0c12);
  border:1px solid var(--hair-soft); display:flex; align-items:center; justify-content:center; gap:22px; padding:40px;
}
.lockup { display:flex; align-items:center; gap:20px; }
.lockup img { width:96px; height:96px; }
.lockup .wm { font-family:var(--disp); font-weight:600; font-size:64px; letter-spacing:0.05em;
  background:linear-gradient(160deg,#fff 0%,#ece2ff 50%,#c9b3ff 100%); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.clear-frame { position:relative; }
.clear-frame .box { position:absolute; border:1px dashed rgba(157,44,252,0.55); }
.spec-list { list-style:none; padding:0; margin:0; }
.spec-list li { display:flex; justify-content:space-between; gap:16px; padding:11px 0; border-bottom:1px solid var(--hair-soft); font-size:14px; }
.spec-list li:last-child { border-bottom:0; }
.spec-list .k { color:var(--ink-3); } .spec-list .v { color:var(--ink); font-weight:600; text-align:right; }
.spec-list .mono { font-family:ui-monospace,Menlo,monospace; font-size:13px; }

.variant-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.variant { border-radius:14px; border:1px solid var(--hair-soft); overflow:hidden; }
.variant .vis { height:128px; display:flex; align-items:center; justify-content:center; gap:12px; }
.variant .vis.dark { background:linear-gradient(180deg,#11131c,#0a0c12); }
.variant .vis.light { background:linear-gradient(180deg,#f4f4f7,#e7e7ee); }
.variant .vis.violet { background:linear-gradient(135deg,#7b1fd6,#3a57c8); }
.variant .vis img { width:54px; height:54px; }
.variant .vis .wm { font-family:var(--disp); font-weight:600; font-size:34px; letter-spacing:0.05em; }
.variant .vis.dark .wm, .variant .vis.violet .wm { color:#fff; }
.variant .vis.light .wm { color:#15151a; }
.variant .cap { font-size:12px; color:var(--ink-3); padding:10px 14px; border-top:1px solid var(--hair-soft); }
.live-badge { font-size:11px; font-weight:700; letter-spacing:0.08em; color:#7df0a3; display:inline-flex; align-items:center; gap:6px; padding:5px 11px; border-radius:999px; border:1px solid rgba(78,240,129,0.3); background:rgba(78,240,129,0.08); }
.live-badge::first-letter { font-size:8px; }

/* misuse */
.dont-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.dont { border-radius:14px; border:1px solid var(--hair-soft); overflow:hidden; }
.dont .vis { height:120px; display:flex; align-items:center; justify-content:center; background:linear-gradient(180deg,#11131c,#0a0c12); position:relative; }
.dont .vis .wm { font-family:var(--disp); font-weight:600; letter-spacing:0.05em; color:#fff; }
.dont .x { position:absolute; top:10px; right:10px; width:22px; height:22px; border-radius:50%; background:rgba(255,107,107,0.18); border:1px solid rgba(255,107,107,0.5); color:#ff8f8f; font-size:13px; display:flex; align-items:center; justify-content:center; font-weight:700; }
.dont .cap { font-size:12.5px; color:var(--ink-2); padding:11px 14px; border-top:1px solid var(--hair-soft); }
.dont .cap b { color:#ff8f8f; font-weight:700; }

/* endorsement */
.endorse-stage { display:flex; flex-wrap:wrap; gap:18px; }
.endorse {
  flex:1; min-width:240px; border-radius:16px; border:1px solid var(--hair-soft); padding:30px;
  background:linear-gradient(180deg,#11131c,#0b0d14); display:flex; flex-direction:column; align-items:center; gap:14px; text-align:center;
}
.endorse .lk { display:flex; align-items:center; gap:14px; }
.endorse .lk img { width:54px; height:54px; }
.endorse .lk .wm { font-family:var(--disp); font-size:38px; font-weight:600; letter-spacing:0.05em;
  background:linear-gradient(160deg,#fff,#cdb3ff); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.endorse .by { font-size:13px; letter-spacing:0.04em; color:var(--ink-3); }
.endorse .by b { color:var(--ink); font-weight:700; }
.endorse .div-v { width:1px; height:30px; background:var(--hair); }
.endorse .stack { display:flex; flex-direction:column; align-items:center; gap:4px; }
.endorse .endorse-cap { font-size:11.5px; letter-spacing:0.16em; text-transform:uppercase; color:var(--ink-4); margin-top:6px; }

/* ===================== color ===================== */
.spectrum-hero { height:120px; border-radius:16px; background:var(--spectrum); position:relative; overflow:hidden; box-shadow:0 14px 36px rgba(91,140,255,0.25); }
.spectrum-hero .stops { position:absolute; inset:0; display:flex; }
.spectrum-hero .stops span { flex:1; display:flex; align-items:flex-end; padding:12px; font-family:ui-monospace,Menlo,monospace; font-size:12px; color:rgba(255,255,255,0.92); font-weight:600; text-shadow:0 1px 4px rgba(0,0,0,0.4); }
.swatches { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.swatch { border-radius:14px; overflow:hidden; border:1px solid var(--hair-soft); }
.swatch .chip { height:84px; }
.swatch .meta { padding:12px 14px; background:var(--glass-2); }
.swatch .nm { font-size:13.5px; font-weight:600; color:var(--ink); }
.swatch .hx { font-family:ui-monospace,Menlo,monospace; font-size:12px; color:var(--ink-3); margin-top:3px; }
.ratio { display:flex; height:52px; border-radius:12px; overflow:hidden; border:1px solid var(--hair-soft); font-size:12px; font-weight:600; }
.ratio span { display:flex; align-items:center; justify-content:center; color:#fff; text-shadow:0 1px 3px rgba(0,0,0,0.5); }
.signal-row { display:grid; grid-template-columns:repeat(2,1fr); gap:10px; }
.signal { display:flex; align-items:center; gap:12px; padding:11px 14px; border-radius:10px; background:var(--glass-2); border:1px solid var(--hair-soft); font-size:13.5px; }
.signal .dot { width:12px; height:12px; border-radius:50%; flex:none; }
.signal .role { color:var(--ink-3); margin-left:auto; font-size:12px; }

/* ===================== typography ===================== */
.type-spec { border-radius:16px; border:1px solid var(--hair-soft); background:var(--glass-2); padding:30px; }
.type-display { font-family:var(--disp); font-size:clamp(48px,8vw,92px); letter-spacing:0.05em; line-height:1;
  background:linear-gradient(160deg,#fff,#cdb3ff); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.type-meta { font-size:13px; color:var(--ink-3); margin-top:14px; letter-spacing:0.03em; }
.weights { display:flex; flex-wrap:wrap; gap:18px 26px; margin-top:8px; }
.weights .w { display:flex; flex-direction:column; gap:2px; }
.weights .w .glyph { font-size:34px; line-height:1; }
.weights .w .lbl { font-size:11px; color:var(--ink-3); }
.scale-row { display:flex; align-items:baseline; gap:18px; padding:14px 0; border-bottom:1px solid var(--hair-soft); }
.scale-row:last-child { border-bottom:0; }
.scale-row .name { width:120px; font-size:12px; color:var(--ink-3); text-transform:uppercase; letter-spacing:0.08em; flex:none; }
.scale-row .spec { width:110px; font-family:ui-monospace,Menlo,monospace; font-size:12px; color:var(--ink-4); flex:none; }
.scale-row .samp { color:var(--ink); overflow:hidden; white-space:nowrap; text-overflow:ellipsis; }

/* ===================== voice / messaging ===================== */
.voice-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
.voice-card .vh { display:flex; align-items:center; gap:10px; margin-bottom:10px; }
.voice-card .vh .n { font-family:var(--disp); font-size:12px; color:var(--violet-bright); }
.voice-card h3 { margin:0; font-size:17px; font-weight:700; }
.voice-card p { margin:0; font-size:14px; line-height:1.6; color:var(--ink-2); }
.do-dont { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:14px; }
.dd { border-radius:14px; padding:20px 22px; border:1px solid var(--hair-soft); }
.dd.do { background:rgba(78,240,129,0.05); border-color:rgba(78,240,129,0.22); }
.dd.no { background:rgba(255,107,107,0.05); border-color:rgba(255,107,107,0.22); }
.dd h4 { margin:0 0 12px; font-size:12px; letter-spacing:0.12em; text-transform:uppercase; }
.dd.do h4 { color:#7df0a3; } .dd.no h4 { color:#ff9a9a; }
.dd ul { margin:0; padding:0; list-style:none; display:flex; flex-direction:column; gap:9px; }
.dd li { font-size:14px; line-height:1.5; color:var(--ink-2); padding-left:22px; position:relative; }
.dd.do li::before { content:"✓"; position:absolute; left:0; color:#7df0a3; font-weight:700; }
.dd.no li::before { content:"✕"; position:absolute; left:0; color:#ff9a9a; font-weight:700; }
.dd li .ex { color:var(--ink-3); font-style:italic; }

.tag-alts { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-top:14px; }
.tag-alt { padding:18px 22px; border-radius:12px; border:1px solid var(--hair-soft); background:var(--glass-2); }
.tag-alt .t { font-weight:700; font-size:20px; letter-spacing:-0.01em; }
.tag-alt .u { font-size:12px; color:var(--ink-3); margin-top:6px; }
.copy-samples { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:14px; }
.copy-sample { border-radius:12px; border:1px solid var(--hair-soft); background:var(--glass-2); padding:18px 20px; }
.copy-sample .ch { font-size:11px; letter-spacing:0.14em; text-transform:uppercase; color:var(--violet-bright); font-weight:700; margin-bottom:10px; }
.copy-sample .hl { font-weight:700; font-size:17px; line-height:1.25; margin-bottom:6px; }
.copy-sample .bd { font-size:13px; color:var(--ink-2); line-height:1.5; }

/* ===================== patterns ===================== */
.pattern-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
.pattern { border-radius:16px; overflow:hidden; border:1px solid var(--hair-soft); }
.pattern .vis { height:200px; position:relative; overflow:hidden; background:linear-gradient(180deg,#11131c,#0a0c12); }
.pattern .cap { padding:16px 18px; }
.pattern .cap h3 { margin:0 0 6px; font-size:16px; font-weight:700; }
.pattern .cap p { margin:0; font-size:13px; color:var(--ink-2); line-height:1.5; }
.pat-wave { background-image:url("../assets/waveform.png"); background-size:cover; background-position:center; }
.pat-spectrum { background:var(--spectrum); }
.pat-burst { background:radial-gradient(circle at 50% 50%, rgba(157,44,252,0.5), transparent 60%), #0a0c12; }
.pattern .vis.pat-constellation { background:radial-gradient(circle at 50% 46%, rgba(157,44,252,0.30), transparent 64%), linear-gradient(180deg,#13121f,#0a0c12); }
.pat-grid-lines { background-image:linear-gradient(rgba(157,44,252,0.14) 1px, transparent 1px), linear-gradient(90deg, rgba(157,44,252,0.14) 1px, transparent 1px); background-size:26px 26px; }

/* ===================== applications ===================== */
.app-tabs { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:24px; }
.app-tab { font-size:13px; font-weight:600; padding:9px 16px; border-radius:999px; border:1px solid var(--hair-soft); background:rgba(255,255,255,0.03); color:var(--ink-3); cursor:pointer; transition:.2s; }
.app-tab.active { color:#fff; border-color:rgba(157,44,252,0.5); background:rgba(157,44,252,0.12); }
.app-pane { display:none; }
.app-pane.active { display:block; animation:fade .3s ease; }
@keyframes fade { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:none; } }

/* social mock */
.mock-row { display:grid; gap:18px; }
.social-3 { grid-template-columns:repeat(3,1fr); }
.ig {
  border-radius:16px; overflow:hidden; border:1px solid var(--hair-soft);
  background:linear-gradient(180deg,#11131c,#0a0c12);
}
.ig .post { aspect-ratio:1; position:relative; overflow:hidden; padding:22px; display:flex; flex-direction:column; }
.ig .post .field { position:absolute; inset:0; }
.ig .post .field .dot { position:absolute; border-radius:50%; }
.ig .post .tag { position:relative; z-index:2; display:flex; align-items:center; gap:8px; }
.ig .post .tag img { width:24px; height:24px; }
.ig .post .tag .wm { font-family:var(--disp); font-size:15px; font-weight:600; letter-spacing:0.05em; color:#fff; }
.ig .post .big { position:relative; z-index:2; margin-top:auto; font-weight:800; font-size:25px; line-height:1.08; letter-spacing:-0.02em; }
.ig .post .big .grad { background:var(--spectrum); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.ig .post .small { position:relative; z-index:2; font-size:12px; color:var(--ink-2); margin-top:10px; }
.ig .post.lightpost { background:#f2f2f6; }
.ig .post.lightpost .wm { color:#15151a; } .ig .post.lightpost .big { color:#15151a; } .ig .post.lightpost .small { color:#55555e; }
.ig .meta { padding:12px 16px; border-top:1px solid var(--hair-soft); font-size:12px; color:var(--ink-3); }

/* email mock */
.email { border-radius:16px; overflow:hidden; border:1px solid var(--hair-soft); max-width:520px; background:#0b0d14; }
.email .ehead { padding:26px 30px; background:radial-gradient(circle at 30% 0%, rgba(157,44,252,0.22), transparent 60%), linear-gradient(180deg,#13151f,#0b0d14); border-bottom:1px solid var(--hair-soft); }
.email .ehead .lk { display:flex; align-items:center; gap:10px; }
.email .ehead .lk img { width:28px; height:28px; }
.email .ehead .lk .wm { font-family:var(--disp); font-size:19px; font-weight:600; letter-spacing:0.05em; background:linear-gradient(160deg,#fff,#cdb3ff); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.email .ebody { padding:30px; }
.email .ebody h3 { margin:0 0 12px; font-size:22px; font-weight:800; letter-spacing:-0.01em; }
.email .ebody p { margin:0 0 18px; font-size:14px; line-height:1.65; color:var(--ink-2); }
.email .cta { display:inline-block; padding:12px 22px; border-radius:10px; background:var(--spectrum); color:#fff; font-weight:700; font-size:14px; box-shadow:0 8px 22px rgba(91,140,255,0.3); }
.email .efoot { padding:18px 30px; border-top:1px solid var(--hair-soft); font-size:11px; color:var(--ink-4); }

/* display ads */
.ad-row { display:flex; flex-wrap:wrap; gap:18px; align-items:flex-start; }
.ad { border-radius:12px; overflow:hidden; border:1px solid var(--hair-soft); position:relative; background:linear-gradient(160deg,#11131c,#0a0c12); }
.ad .field { position:absolute; inset:0; } .ad .field .dot { position:absolute; border-radius:50%; }
.ad .leftbar { position:absolute; left:0; top:0; bottom:0; width:5px; background:var(--spectrum); }
.ad-300 { width:300px; height:250px; padding:26px; display:flex; flex-direction:column; }
.ad-728 { width:100%; max-width:560px; height:90px; padding:0 24px; display:flex; align-items:center; gap:20px; }
.ad .tag { position:relative; z-index:2; display:flex; align-items:center; gap:8px; }
.ad .tag img { width:24px; height:24px; } .ad .tag .wm { font-family:var(--disp); font-size:15px; font-weight:600; letter-spacing:0.05em; color:#fff; }
.ad-300 .h { position:relative; z-index:2; margin-top:auto; font-weight:800; font-size:23px; line-height:1.1; letter-spacing:-0.02em; }
.ad-300 .h .grad { background:var(--spectrum); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.ad-300 .cta { position:relative; z-index:2; margin-top:14px; align-self:flex-start; font-size:12px; font-weight:700; padding:8px 16px; border-radius:8px; background:#fff; color:#15151a; }
.ad-728 .h { position:relative; z-index:2; font-weight:800; font-size:18px; letter-spacing:-0.01em; }
.ad-728 .h .grad { background:var(--spectrum); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.ad-728 .cta { position:relative; z-index:2; margin-left:auto; font-size:12px; font-weight:700; padding:9px 18px; border-radius:8px; background:var(--spectrum); color:#fff; white-space:nowrap; }
.ad-size-tag { font-size:11px; color:var(--ink-4); margin-top:8px; letter-spacing:0.04em; }

/* deck */
.deck { border-radius:14px; overflow:hidden; border:1px solid var(--hair-soft); position:relative; aspect-ratio:16/9; background:linear-gradient(160deg,#11131c,#0a0c12); padding:34px; display:flex; flex-direction:column; }
.deck .field { position:absolute; inset:0; } .deck .field .dot { position:absolute; border-radius:50%; }
.deck .tag { position:relative; z-index:2; display:flex; align-items:center; gap:9px; }
.deck .tag img { width:26px; height:26px; } .deck .tag .wm { font-family:var(--disp); font-size:17px; font-weight:600; letter-spacing:0.05em; color:#fff; }
.deck .title { position:relative; z-index:2; margin-top:auto; font-weight:800; font-size:30px; line-height:1.06; letter-spacing:-0.02em; max-width:80%; }
.deck .title .grad { background:var(--spectrum); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.deck .foot { position:relative; z-index:2; margin-top:16px; font-size:12px; color:var(--ink-3); letter-spacing:0.04em; }
.deck.contentdeck .title { font-size:22px; max-width:100%; margin-top:18px; }
.deck .stat-row { position:relative; z-index:2; display:flex; gap:26px; margin-top:auto; }
.deck .stat .n { font-weight:800; font-size:30px; background:var(--spectrum); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.deck .stat .l { font-size:11px; color:var(--ink-3); margin-top:2px; }

/* ===================== asset kit ===================== */
.kit { border-radius:20px; border:1px solid var(--hair); overflow:hidden; background:linear-gradient(160deg,#13151f,#0a0c12); }
.kit .kit-head { padding:34px 36px; display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap; border-bottom:1px solid var(--hair-soft); }
.kit .kit-head .ttl { font-weight:800; font-size:26px; letter-spacing:-0.01em; }
.kit .kit-head p { margin:6px 0 0; font-size:14px; color:var(--ink-2); max-width:46ch; }
.kit .dl-btn { display:inline-flex; align-items:center; gap:10px; padding:14px 26px; border-radius:12px; background:var(--spectrum); color:#fff; font-weight:700; font-size:15px; box-shadow:0 12px 30px rgba(91,140,255,0.3); white-space:nowrap; }
.kit .kit-body { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--hair-soft); }
.kit .kit-item { background:#0c0e16; padding:22px 24px; }
.kit .kit-item .ic { font-family:var(--disp); font-size:11px; color:var(--violet-bright); letter-spacing:0.04em; }
.kit .kit-item h4 { margin:10px 0 6px; font-size:15px; font-weight:700; }
.kit .kit-item p { margin:0; font-size:12.5px; color:var(--ink-3); line-height:1.5; }

/* ===================== footer ===================== */
.foot { padding:60px clamp(40px,7vw,104px) 80px; border-top:1px solid var(--hair-soft); }
.foot .lk { display:flex; align-items:center; gap:12px; margin-bottom:18px; }
.foot .lk img { width:34px; height:34px; }
.foot .lk .wm { font-family:var(--disp); font-size:22px; font-weight:600; letter-spacing:0.05em; background:linear-gradient(160deg,#fff,#cdb3ff); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
.foot p { font-size:13px; color:var(--ink-3); margin:0 0 6px; max-width:60ch; line-height:1.6; }
.foot .legal { font-size:11px; color:var(--ink-4); margin-top:22px; }

/* responsive */
@media (max-width:1080px) {
  .shell { grid-template-columns:1fr; }
  .nav { position:static; height:auto; flex-direction:row; align-items:center; overflow-x:auto; padding:14px 16px; }
  .nav-brand { padding:0 16px 0 0; border:0; }
  .nav-scroll { display:flex; overflow-x:auto; }
  .nav a { border-left:0; border-bottom:2px solid transparent; white-space:nowrap; }
  .nav a.active { border-left:0; border-bottom-color:var(--violet-bright); }
  .nav a .ix { display:none; }
  .nav-foot { display:none; }
  .cover .meta-card { position:static; width:auto; max-width:300px; margin-top:40px; }
  .cover { padding-top:120px; padding-bottom:60px; }
  .g4,.swatches,.kit .kit-body { grid-template-columns:repeat(2,1fr); }
  .g3,.g2,.variant-grid,.dont-grid,.voice-grid,.pattern-grid,.social-3,.copy-samples,.do-dont,.tag-alts,.signal-row { grid-template-columns:1fr; }
}