/* ==========================================================================
   BlackVaultTX: hub and corporate site
   Source for the fingerprinted public/assets/site.<hash>.css (scripts/build.ts).
   Same family look as blackvaultrd.com / blackvaultdrive.com: dark base, chrome bands with black
   plates and corner caps, crimson CTAs, Citadel green. No JavaScript ships, so everything is CSS.
   ========================================================================== */

/* ---------- Fonts: self-hosted, SIL OFL 1.1 (licence texts sit beside the files) ---------- */
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('/assets/fonts/inter-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('/assets/fonts/inter-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('/assets/fonts/inter-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 700; font-display: swap; src: url('/assets/fonts/montserrat-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 800; font-display: swap; src: url('/assets/fonts/montserrat-latin-800-normal.woff2') format('woff2'); }
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 900; font-display: swap; src: url('/assets/fonts/montserrat-latin-900-normal.woff2') format('woff2'); }

/* ---------- Tokens ---------- */
:root {
  color-scheme: dark;

  /* Spec 1.1 brand tokens */
  --bv-black: #0B0B0F;
  --bv-charcoal: #15171C;
  --bv-surface: #20232A;
  --bv-crimson: #FF2D2D;
  --bv-orange: #FF6A00;
  --bv-gold: #FFC400;
  --bv-midnight-blue: #0A2A5E;
  --bv-silver: #C0C0C0;
  --bv-white: #F7F8FA;
  --bv-muted: #9AA1AC;
  --bv-border: #343943;
  --bv-font-heading: 'Montserrat', Inter, system-ui, sans-serif;
  --bv-font-body: Inter, system-ui, sans-serif;

  /* Derived: Citadel green, CTA fills (white text passes AA on both stops) */
  --citadel-green: #00E676;
  --crimson-500: #E5182E;
  --crimson-600: #C90020;
  --green-line: rgba(0, 230, 118, 0.36);
  --crimson-line: rgba(255, 45, 45, 0.4);

  --font-display: 'Montserrat', 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', Arial, sans-serif;

  --wrap: 1200px;
  --gutter: 20px;
  --radius: 20px;

  /* Chrome corner caps on tiles and buttons (the family's metal) */
  --corner-metal: #FFFFFF 0%, #87919B 15%, #F5F7FA 29%, #5D6670 42%, #2C3036 44%, #2C3036 46.5%, transparent 47%;
  --btn-corner: 18px;
  --btn-rivet: #F7F8FA 0 0.9px, #4A5058 1.3px 1.9px, transparent 2.3px;
  --btn-corners:
    radial-gradient(circle at 5px 5px, var(--btn-rivet)) 0 0 / var(--btn-corner) var(--btn-corner) no-repeat,
    radial-gradient(circle at calc(100% - 5px) 5px, var(--btn-rivet)) 100% 0 / var(--btn-corner) var(--btn-corner) no-repeat,
    radial-gradient(circle at 5px calc(100% - 5px), var(--btn-rivet)) 0 100% / var(--btn-corner) var(--btn-corner) no-repeat,
    radial-gradient(circle at calc(100% - 5px) calc(100% - 5px), var(--btn-rivet)) 100% 100% / var(--btn-corner) var(--btn-corner) no-repeat,
    linear-gradient(135deg, var(--corner-metal)) 0 0 / var(--btn-corner) var(--btn-corner) no-repeat,
    linear-gradient(225deg, var(--corner-metal)) 100% 0 / var(--btn-corner) var(--btn-corner) no-repeat,
    linear-gradient(45deg, var(--corner-metal)) 0 100% / var(--btn-corner) var(--btn-corner) no-repeat,
    linear-gradient(315deg, var(--corner-metal)) 100% 100% / var(--btn-corner) var(--btn-corner) no-repeat;
}

/* ---------- Tones ---------- */
:root, .tone-dark {
  --bg: var(--bv-black);
  --heading: #FFFFFF;
  --ink: #F5F7FA;
  --text: #C3C8CF;
  --text-dim: #9AA1AC;
  --surface-1: #15171C;
  --surface-2: #20232A;
  --line: rgba(154, 161, 172, 0.24);
  --line-strong: rgba(154, 161, 172, 0.44);
  --green-ink: var(--citadel-green);
  --crimson-ink: var(--bv-crimson);
  --accent: var(--bv-crimson);
  --glow-rgb: 255, 45, 45;
  --accent-glow: 0 0 36px rgba(0, 230, 118, 0.35);
}

/* Brushed-steel cladding down both sides of every chrome band, with a domed rivet every 168px. */
.tone-light {
  --rail: clamp(14px, 3.2vw, 46px);
  --rivet: calc(var(--rail) * 0.19);
  --rivet-y: 40px;
  position: relative;
  padding-inline: var(--rail);
  color-scheme: light;
  --bg: linear-gradient(135deg, #FFFFFF 0%, #87919B 35%, #F5F7FA 65%, #5D6670 100%);
  --heading: var(--bv-black);
  --ink: #1B1E24;
  --text: #1C1F24;
  --text-dim: #23262C;
  --line: rgba(11, 11, 15, 0.1);
  --line-strong: rgba(11, 11, 15, 0.2);
  --green-ink: #002E17;
  --crimson-ink: #57000D;
  background: var(--bg);
  color: var(--text);
}
.tone-light::before,
.tone-light::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--rail);
  pointer-events: none;
  background:
    radial-gradient(circle at calc(50% - var(--rivet) * 0.32) calc(var(--rivet-y) - var(--rivet) * 0.32), rgba(255, 255, 255, 0.95) 0, rgba(255, 255, 255, 0) calc(var(--rivet) * 0.55)) 0 0 / 100% 168px repeat-y,
    radial-gradient(circle at 50% var(--rivet-y), #D7DBE0 0, #A7ADB5 calc(var(--rivet) * 0.6), #5A6068 calc(var(--rivet) * 0.9), #2C3036 var(--rivet), transparent calc(var(--rivet) + 1px)) 0 0 / 100% 168px repeat-y,
    radial-gradient(circle at 50% calc(var(--rivet-y) + 2px), rgba(0, 0, 0, 0.45) 0, rgba(0, 0, 0, 0.2) var(--rivet), transparent calc(var(--rivet) + 3px)) 0 0 / 100% 168px repeat-y,
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.09) 0 1px, transparent 1px 2px, rgba(0, 0, 0, 0.08) 2px 3px),
    linear-gradient(90deg, #4C525A 0%, #8D939B 6%, #D3D7DC 18%, #F4F6F8 34%, #B9BEC5 52%, #8C929A 64%, #DDE0E4 80%, #6B717A 94%, #3E434A 100%);
  box-shadow: inset -2px 0 0 rgba(0, 0, 0, 0.45), inset 2px 0 0 rgba(255, 255, 255, 0.25), 6px 0 16px -6px rgba(11, 11, 15, 0.6);
}
.tone-light::after { left: auto; right: 0; transform: scaleX(-1); }

/* Black plates mounted on the chrome, with corner caps, a bevel and a coloured glow. */
.tone-light {
  --corner: 44px;
  --corner-rivet: #F7F8FA 0 1.5px, #4A5058 2.1px 3.2px, transparent 3.7px;
  --tile-corners:
    radial-gradient(circle at 12px 12px, var(--corner-rivet)) 0 0 / var(--corner) var(--corner) no-repeat,
    radial-gradient(circle at calc(100% - 12px) 12px, var(--corner-rivet)) 100% 0 / var(--corner) var(--corner) no-repeat,
    radial-gradient(circle at 12px calc(100% - 12px), var(--corner-rivet)) 0 100% / var(--corner) var(--corner) no-repeat,
    radial-gradient(circle at calc(100% - 12px) calc(100% - 12px), var(--corner-rivet)) 100% 100% / var(--corner) var(--corner) no-repeat,
    linear-gradient(135deg, var(--corner-metal)) 0 0 / var(--corner) var(--corner) no-repeat,
    linear-gradient(225deg, var(--corner-metal)) 100% 0 / var(--corner) var(--corner) no-repeat,
    linear-gradient(45deg, var(--corner-metal)) 0 100% / var(--corner) var(--corner) no-repeat,
    linear-gradient(315deg, var(--corner-metal)) 100% 100% / var(--corner) var(--corner) no-repeat;
  --tile-face: linear-gradient(180deg, #191B21 0%, #121318 45%, #0B0B0F 100%);
  --tile-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14), inset 0 -2px 0 rgba(0, 0, 0, 0.5), 0 1px 1px rgba(11, 11, 15, 0.3),
    0 4px 8px -2px rgba(11, 11, 15, 0.35), 0 14px 26px -10px rgba(11, 11, 15, 0.5), 0 32px 52px -20px rgba(11, 11, 15, 0.6);
  --tile-shadow-hover:
    inset 0 1px 0 rgba(255, 255, 255, 0.16), inset 0 -2px 0 rgba(0, 0, 0, 0.5), 0 2px 2px rgba(11, 11, 15, 0.3),
    0 10px 16px -4px rgba(11, 11, 15, 0.4), 0 24px 38px -12px rgba(11, 11, 15, 0.55), 0 52px 70px -24px rgba(11, 11, 15, 0.7);
}
.tone-light :is(.tile, .card) {
  color-scheme: dark;
  --heading: #FFFFFF;
  --ink: #F5F7FA;
  --text: #C3C8CF;
  --text-dim: #9AA1AC;
  --line: rgba(154, 161, 172, 0.24);
  --green-ink: var(--citadel-green);
  color: var(--text);
  background: var(--tile-corners), var(--tile-face);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 1px rgba(var(--glow-rgb), 0.28), 0 0 30px -6px rgba(var(--glow-rgb), 0.5), var(--tile-shadow);
}
.tone-light .tile:hover { box-shadow: 0 0 0 1px rgba(var(--glow-rgb), 0.55), 0 0 46px -4px rgba(var(--glow-rgb), 0.7), var(--tile-shadow-hover); }

/* ---------- Product accents (class-based because the CSP forbids inline styles) ---------- */
.acc-obsidian { --accent: #2BFF8B; --glow-rgb: 43, 255, 139; }
.acc-aegis { --accent: #FF6A00; --glow-rgb: 255, 106, 0; }
.acc-bastion { --accent: #B56CFF; --glow-rgb: 181, 108, 255; }
.acc-keystone { --accent: #FFC400; --glow-rgb: 255, 196, 0; }
.acc-authenticator { --accent: #FF5C5C; --glow-rgb: 255, 92, 92; }
.acc-remote { --accent: #FF2D2D; --glow-rgb: 255, 45, 45; }
.acc-eagle-eye { --accent: #5AB0FF; --glow-rgb: 90, 176, 255; }
.acc-bsa { --accent: #C0C0C0; --glow-rgb: 192, 192, 192; }

/* Typographic stand-in for products without art (see ui.ts typeMark) */
.typemark { font-family: var(--bv-font-heading); font-weight: 900; font-size: clamp(1.6rem, 4vw, 2.4rem); letter-spacing: 0.16em; text-align: center; line-height: 1.1; background: linear-gradient(135deg, #FFFFFF 0%, #8F99A3 40%, #F5F7FA 70%, #5D6670 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; text-shadow: none; filter: drop-shadow(0 0 18px rgba(var(--glow-rgb), 0.55)); }
.panel--roadmap { border-style: dashed; }
.product-hero__art--type { min-height: 220px; }
.steps { display: grid; gap: 14px; margin: 0; padding-left: 1.3em; max-width: 70ch; }
.footer-bottom--solo { margin-top: 0; padding-top: 0; border-top: 0; }

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; background: var(--bv-black); }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bv-black);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol { margin-top: 0; }
a { color: inherit; text-decoration-color: var(--line-strong); text-underline-offset: 0.2em; }
a:hover { text-decoration-color: currentColor; }
strong, b { font-weight: 600; }
strong { color: var(--heading); }
:focus-visible { outline: 3px solid var(--bv-white); outline-offset: 3px; border-radius: 6px; }
.tone-light :focus-visible { outline-color: var(--bv-black); }
.main:focus { outline: none; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -80px; z-index: 100; padding: 12px 18px; border-radius: 10px; background: #FFFFFF; color: var(--bv-black); font-family: var(--font-display); font-weight: 700; text-decoration: none; }
.skip-link:focus { top: 16px; }
.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.icon { width: 1.25em; height: 1.25em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.icon--xs { width: 14px; height: 14px; }
.muted { color: var(--text-dim); }
.fineprint { font-size: 0.88rem; color: var(--text-dim); }

/* ---------- Type ---------- */
.eyebrow { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 0.78rem; letter-spacing: 0.28em; text-transform: uppercase; color: var(--crimson-ink); }
.eyebrow--green { color: var(--green-ink); }
.eyebrow--accent { color: var(--accent); }
.accent { font-style: normal; color: var(--bv-crimson); -webkit-text-fill-color: var(--bv-crimson); background: none; }
.lead { max-width: 62ch; margin: 0 0 28px; font-size: clamp(1.06rem, 1rem + 0.4vw, 1.3rem); line-height: 1.6; color: var(--text); }
.section { position: relative; padding-block: clamp(52px, 8vw, 100px); }
.section--tight { padding-block: clamp(28px, 5vw, 56px); }
.section--alt { background: var(--bv-charcoal); border-block: 1px solid var(--line); }
.section__head { max-width: 66ch; margin-bottom: clamp(28px, 5vw, 48px); }
/* Parent-brand headings: metallic silver (spec 1.1 / 13.1). Green stays a product accent. */
.hero__title, .page-title, .section__title { background: linear-gradient(135deg, #FFFFFF 0%, #C0C0C0 45%, #F7F8FA 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.tone-light .section__title, .section__title--sm { background: none; -webkit-text-fill-color: currentColor; }
.section__title { margin: 14px 0 16px; font-family: var(--font-display); font-weight: 800; font-size: clamp(1.9rem, 1.2rem + 2.4vw, 3rem); line-height: 1.08; letter-spacing: -0.01em; color: var(--heading); text-wrap: balance; }
.section__title--sm { margin-top: 0; font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.9rem); }
.section__lead { margin: 0 0 20px; max-width: 66ch; font-size: clamp(1.02rem, 0.98rem + 0.3vw, 1.16rem); color: var(--text); }
.section__after { margin: 36px 0 0; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 700; color: var(--heading); }
.page-head { padding-block: clamp(40px, 7vw, 84px) clamp(20px, 3vw, 36px); border-bottom: 1px solid var(--line); background: radial-gradient(60% 120% at 80% 0%, rgba(255, 45, 45, 0.12), transparent 70%); }
.page-title { margin: 14px 0 16px; font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 1.2rem + 3.2vw, 3.2rem); line-height: 1.06; letter-spacing: -0.015em; color: var(--heading); }
.placeholder { margin: 0; padding: 14px 18px; border: 1px dashed var(--line-strong); border-radius: 12px; max-width: 70ch; }
.placeholder__tag { display: inline-block; margin-right: 8px; padding: 2px 10px; border-radius: 999px; border: 1px solid var(--line-strong); font-family: var(--font-display); font-weight: 700; font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bv-gold); }
.draft-banner { display: inline-block; margin: 0 0 20px; padding: 10px 16px; border: 1px solid rgba(255, 196, 0, 0.6); border-radius: 10px; background: rgba(255, 196, 0, 0.1); color: var(--bv-gold); }
.draft-banner strong { color: var(--bv-gold); }
.plain-list { margin: 0; padding-left: 1.2em; }
.crumbs-wrap { padding-top: 18px; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 6px 10px; margin: 0; padding: 0; list-style: none; font-size: 0.88rem; color: var(--text-dim); }
.crumbs li + li::before { content: '/'; margin-right: 10px; color: var(--line-strong); }
.crumbs a { color: var(--text); }
.crumbs [aria-current='page'] { color: var(--heading); }

/* ---------- Buttons and pills ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 22px; border: 1px solid transparent; border-radius: 12px; font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; line-height: 1; letter-spacing: 0.01em; text-decoration: none; cursor: pointer; text-align: center; }
.btn .icon { width: 18px; height: 18px; }
.btn .icon--xs { width: 14px; height: 14px; }
.btn--lg { padding: 17px 28px; border-radius: 14px; font-size: 1rem; }
.btn--sm { padding: 10px 16px; border-radius: 10px; font-size: 0.85rem; white-space: nowrap; }
.btn--primary { color: #FFFFFF; background: var(--btn-corners), linear-gradient(180deg, var(--crimson-500), var(--crimson-600)); border-color: rgba(255, 130, 130, 0.35); box-shadow: 0 12px 32px -10px rgba(255, 45, 45, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.22); }
.btn--ghost { color: var(--heading); background: var(--btn-corners), rgba(255, 255, 255, 0.03); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--heading); background: var(--btn-corners), rgba(255, 255, 255, 0.08); }
.btn--outline-green { color: var(--green-ink); background: var(--btn-corners), rgba(0, 230, 118, 0.07); border-color: rgba(0, 230, 118, 0.5); }
.btn--outline-green:hover { background: var(--btn-corners), rgba(0, 230, 118, 0.16); }
.tone-light .btn--ghost { background: var(--btn-corners), rgba(255, 255, 255, 0.55); border-color: var(--bv-black); }

.status-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-strong); background: rgba(255, 255, 255, 0.04); font-family: var(--font-display); font-weight: 700; font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: #FFFFFF; }
.status-pill__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--citadel-green); box-shadow: 0 0 10px var(--citadel-green); }
.status-pill--soon .status-pill__dot { background: var(--bv-gold); box-shadow: 0 0 10px var(--bv-gold); }
.status-pill--dev .status-pill__dot { background: var(--bv-orange); box-shadow: 0 0 10px var(--bv-orange); }
.tone-light .status-pill, .section .status-pill { color: #FFFFFF; }
.tone-light .tile .status-pill { color: #FFFFFF; }

/* ---------- Wordmark (placeholder text; see ui.ts wordmark()) ---------- */
.brand { display: inline-flex; align-items: center; border-radius: 8px; text-decoration: none; }
.wordmark { font-family: var(--bv-font-heading); font-weight: 900; font-size: 1.45rem; letter-spacing: 0.14em; line-height: 1; background: linear-gradient(135deg, #FFFFFF 0%, #8F99A3 35%, #F5F7FA 65%, #5D6670 100%); -webkit-background-clip: text; background-clip: text; color: transparent; padding-block: 6px; }
.wordmark__tx { color: transparent; background: linear-gradient(180deg, #FF5B5B, #C90020); -webkit-background-clip: text; background-clip: text; margin-left: 0.04em; }

/* ---------- Header ---------- */
.site-header { position: relative; z-index: 50; background: var(--bv-black); border-bottom: 1px solid var(--line); }
.site-header::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: linear-gradient(90deg, transparent, rgba(255, 45, 45, 0.6) 30%, rgba(255, 45, 45, 0.6) 70%, transparent); pointer-events: none; }
.site-header__bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 12px; }
.site-nav { display: contents; }
.nav-desktop, .site-header__actions { display: none; }
.nav-mobile { position: relative; }
.nav-mobile__btn { list-style: none; display: inline-flex; align-items: center; padding: 10px 18px; border: 1px solid var(--line-strong); border-radius: 10px; font-family: var(--font-display); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--heading); cursor: pointer; }
.nav-mobile__btn::-webkit-details-marker { display: none; }
.nav-mobile[open] .nav-mobile__btn { border-color: var(--bv-silver); }
.nav-mobile__list { position: absolute; right: 0; top: calc(100% + 10px); z-index: 60; width: min(86vw, 320px); margin: 0; padding: 12px; list-style: none; display: grid; gap: 2px; border: 1px solid var(--line-strong); border-radius: 14px; background: var(--bv-charcoal); box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.9); }
.nav-mobile__list a:not(.btn) { display: block; padding: 11px 12px; border-radius: 8px; text-decoration: none; color: var(--text); font-weight: 500; }
.nav-mobile__list a:not(.btn):hover { background: rgba(255, 255, 255, 0.06); color: var(--heading); }
.nav-mobile__list a[aria-current='page'] { color: var(--heading); box-shadow: inset 3px 0 0 var(--bv-silver); }
.nav-mobile__list .btn { width: 100%; margin-top: 8px; }
.nav-desktop a { display: inline-block; padding: 10px 2px; border-bottom: 2px solid transparent; font-weight: 500; font-size: 0.9rem; color: var(--text); text-decoration: none; }
.nav-desktop a:hover { color: var(--heading); border-bottom-color: var(--bv-crimson); }
.nav-desktop a[aria-current='page'] { color: var(--heading); border-bottom-color: var(--bv-silver); }
.signin-link { white-space: nowrap; padding: 10px 4px; font-weight: 600; font-size: 0.9rem; color: var(--heading); text-decoration: none; border-bottom: 2px solid transparent; }
.signin-link:hover, .signin-link[aria-current='page'] { border-bottom-color: var(--bv-silver); }

/* ---------- Hero ---------- */
.hero, .product-hero { position: relative; isolation: isolate; overflow: clip; }
.hero { padding-block: clamp(36px, 7vw, 92px) clamp(56px, 8vw, 110px); }
.product-hero { padding-block: clamp(36px, 6vw, 80px); border-bottom: 1px solid var(--line); }
.hero__bg { position: absolute; inset: 0; z-index: -1; background: radial-gradient(54% 64% at 78% 36%, rgba(255, 45, 45, 0.22), transparent 64%), radial-gradient(40% 48% at 74% 78%, rgba(255, 106, 0, 0.1), transparent 70%), radial-gradient(42% 52% at 6% 8%, rgba(255, 45, 45, 0.07), transparent 70%); }
.product-hero .hero__bg { background: radial-gradient(60% 80% at 82% 40%, rgba(var(--glow-rgb), 0.2), transparent 66%), radial-gradient(40% 50% at 6% 8%, rgba(255, 45, 45, 0.07), transparent 70%); }
.hero__bg::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(to right, rgba(154, 161, 172, 0.14) 1px, transparent 1px), linear-gradient(to bottom, rgba(154, 161, 172, 0.14) 1px, transparent 1px); background-size: 200px 180px; -webkit-mask-image: radial-gradient(60% 78% at 74% 42%, #000 18%, transparent 72%); mask-image: radial-gradient(60% 78% at 74% 42%, #000 18%, transparent 72%); }
.hero__bg::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: linear-gradient(90deg, transparent 0%, rgba(185, 14, 37, 0.95) 18%, rgba(255, 45, 45, 0.95) 62%, transparent 100%); box-shadow: 0 0 26px 2px rgba(255, 45, 45, 0.5); }
.hero__grid, .product-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(32px, 6vw, 56px); align-items: center; }
.hero__title { margin: 16px 0 22px; font-family: var(--font-display); font-weight: 800; font-size: clamp(2.05rem, 1.2rem + 3.6vw, 3.5rem); line-height: 1.05; letter-spacing: -0.015em; color: var(--heading); text-wrap: balance; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.product-hero__tag { margin: 4px 0 14px; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--heading); }
.product-hero__art { display: grid; place-items: center; padding: 18px; border: 1px solid rgba(var(--glow-rgb), 0.4); border-radius: var(--radius); background: radial-gradient(70% 70% at 50% 40%, rgba(var(--glow-rgb), 0.16), #0B0B0F 75%); box-shadow: 0 0 60px -20px rgba(var(--glow-rgb), 0.6); }
.product-hero__img { width: 100%; height: auto; max-height: 420px; object-fit: contain; }
.product-hero__art--icon .product-hero__img { width: min(60%, 280px); border-radius: 22%; }

.roll { padding: 22px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: rgba(21, 23, 28, 0.85); box-shadow: 0 30px 70px -40px rgba(255, 45, 45, 0.5); }
.roll__title { margin: 0 0 14px; font-family: var(--font-display); font-weight: 700; font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-dim); }
.roll__list { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.roll__link { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 12px; padding: 10px 12px; border-radius: 10px; text-decoration: none; }
.roll__link:hover { background: rgba(255, 255, 255, 0.06); }
.roll__name { font-family: var(--font-display); font-weight: 700; color: var(--heading); }

/* ---------- Protected by Citadel strip (pattern from blackvaultdrive.com) ---------- */
.citadel-strip { padding-block: 32px; border-bottom: 1px solid var(--line); }
.citadel-strip__panel { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 22px 36px; padding: 22px 26px; border-radius: 16px; border: 1px solid rgba(43, 255, 139, 0.28); background: linear-gradient(180deg, rgba(9, 20, 14, 0.92), rgba(9, 13, 11, 0.92)); box-shadow: 0 16px 44px rgba(0, 120, 60, 0.1), inset 0 1px 0 rgba(43, 255, 139, 0.1); }
.cit-lead { display: flex; align-items: center; gap: 16px; min-width: 0; }
.cit-seal-ico { width: 38px; height: 46px; flex: none; filter: drop-shadow(0 0 10px rgba(0, 230, 120, 0.55)); }
.cit-title { margin: 0 0 5px; font-family: var(--font-display); font-weight: 800; font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--bv-silver); }
.cit-title b { color: #2BFF8B; }
.cit-lead p { margin: 0; max-width: 52ch; font-size: 0.92rem; color: var(--text-dim); }
.prod-lockups { display: flex; flex-wrap: wrap; gap: 12px; margin: 0; padding: 0; list-style: none; }
.prod-lockup { display: inline-flex; align-items: center; gap: 10px; padding: 9px 15px 9px 12px; border-radius: 12px; background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(43, 255, 139, 0.22); }
.pl-ico { width: 24px; height: 29px; flex: none; filter: drop-shadow(0 0 7px rgba(0, 230, 120, 0.5)); }
.pl-txt { display: flex; flex-direction: column; line-height: 1; }
.pl-txt b { font-family: var(--font-display); font-weight: 800; font-size: 0.92rem; letter-spacing: 0.06em; color: #FFFFFF; }
.pl-txt small { margin-top: 4px; font-family: var(--font-display); font-weight: 700; font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase; color: #2BFF8B; }

/* ---------- Tiles ---------- */
.tiles { display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px; }
.tile { position: relative; display: flex; flex-direction: column; overflow: hidden; border: 1px solid; border-radius: var(--radius); }
.tile__media { display: grid; place-items: center; aspect-ratio: 16 / 10; padding: 14px; background: radial-gradient(70% 70% at 50% 45%, rgba(var(--glow-rgb), 0.2), #0B0B0F 78%); border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.tile__img { width: 100%; height: 100%; object-fit: contain; }
.tile__media--icon .tile__img { width: auto; height: 78%; aspect-ratio: 1; border-radius: 22%; }
.tile__body { display: flex; flex: 1; flex-direction: column; gap: 10px; padding: 22px 24px 26px; }
.tile__meta { margin: 0; }
.tile__title { margin: 4px 0 0; font-family: var(--font-display); font-weight: 800; font-size: 1.3rem; line-height: 1.2; color: var(--heading); }
.tile__code { display: block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); }
.tile__link { color: inherit; text-decoration: none; }
.tile__link::after { content: ''; position: absolute; inset: 0; z-index: 1; border-radius: var(--radius); }
.tile__text { margin: 0; flex: 1; font-size: 0.95rem; color: var(--text); }
.tile__cit { display: inline-flex; align-items: center; gap: 8px; margin: 0; font-size: 0.85rem; color: var(--text); }
.tile__cit-ico { width: 16px; height: 19px; flex: none; }
.tile__cit b { color: #2BFF8B; }
.tile__ext { position: relative; z-index: 2; align-self: flex-start; display: inline-flex; align-items: center; gap: 6px; font-size: 0.88rem; font-weight: 600; color: var(--heading); }

/* ---------- Panels, features, cards, tables ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(28px, 5vw, 56px); align-items: center; }
.panel { padding: 24px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--bv-charcoal); }
.panel__title { margin: 0 0 12px; font-family: var(--font-display); font-weight: 800; font-size: 1.05rem; color: var(--heading); }
.panel p { margin: 0 0 10px; }
.panels { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; }
.ticks { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.ticks li { display: flex; gap: 10px; align-items: flex-start; }
.ticks .icon { margin-top: 0.28em; width: 18px; height: 18px; color: var(--bv-silver); }
.feature-grid, .cards { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; margin: 0; padding: 0; list-style: none; }
.feature, .card { padding: 22px; border: 1px solid var(--line-strong); border-radius: 16px; background: var(--bv-charcoal); }
.feature__title, .card__title { margin: 0 0 8px; font-family: var(--font-display); font-weight: 800; font-size: 1.05rem; color: var(--heading); }
.feature p, .card p { margin: 0; font-size: 0.96rem; }
.card a { color: var(--heading); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line-strong); border-radius: 14px; background: var(--bv-charcoal); }
.compare { width: 100%; min-width: 640px; border-collapse: collapse; font-size: 0.95rem; }
.compare th, .compare td { padding: 14px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.compare thead th { font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim); }
.compare tbody th { font-family: var(--font-display); font-weight: 700; color: var(--heading); }
.compare tbody th a { color: inherit; }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
.signin { display: grid; gap: 10px; margin: 0 0 24px; padding: 0; list-style: none; }
.signin__row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 20px; padding: 16px 20px; border: 1px solid var(--line-strong); border-radius: 14px; background: var(--bv-charcoal); }
.bsa { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; align-items: center; }
.bsa__art { max-width: 320px; }
.bsa__img { width: 100%; height: auto; border-radius: 16px; }
.cta-panel { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; align-items: center; padding: clamp(24px, 4vw, 44px); border: 1px solid var(--line-strong); border-radius: var(--radius); background: radial-gradient(80% 140% at 100% 0%, rgba(255, 45, 45, 0.2), transparent 60%), var(--bv-charcoal); }
.cta-panel .section__title { margin-top: 0; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bv-black); padding-block: 56px 28px; }
.footer-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 24px; }
.footer-brand { grid-column: 1 / -1; }
.footer-brand p { max-width: 34ch; margin: 14px 0 0; font-size: 0.92rem; }
.footer-heading { margin: 0 0 14px; font-family: var(--font-display); font-weight: 700; font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim); }
.footer-col ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.footer-col a { display: inline-flex; align-items: center; gap: 6px; font-size: 0.93rem; color: var(--text); text-decoration: none; }
.footer-col a:hover { color: var(--heading); text-decoration: underline; }
.footer-bottom { display: flex; flex-direction: column; gap: 6px; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 0.85rem; color: var(--text-dim); }
.footer-bottom p { margin: 0; }

/* ---------- Tablet and up ---------- */
@media (min-width: 640px) {
  :root { --gutter: 28px; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-grid, .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}
@media (min-width: 900px) {
  .hero__grid { grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(28px, 4vw, 64px); }
  .product-hero__grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); }
  .split { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); }
  .bsa { grid-template-columns: 300px minmax(0, 1fr); }
  .cta-panel { grid-template-columns: minmax(0, 1fr) auto; }
  .feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1.4fr repeat(4, minmax(0, 1fr)); }
  .footer-brand { grid-column: auto; }
}
@media (min-width: 1100px) {
  .tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .site-header { position: sticky; top: 0; }
  .nav-mobile { display: none; }
  .site-nav { display: block; }
  .nav-desktop { display: flex; gap: 22px; margin: 0; padding: 0; list-style: none; }
  .site-header__actions { display: flex; align-items: center; gap: 18px; }
}
@media (max-width: 420px) {
  .hero__cta .btn { width: 100%; }
  .wordmark { font-size: 1.2rem; }
}

/* ---------- Motion (only when the visitor has not asked for less) ---------- */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .btn { transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease; }
  .btn:hover { transform: translateY(-2px); }
  .tile { transition: transform 0.25s ease, box-shadow 0.25s ease; }
  .tone-light .tile:hover { transform: translateY(-5px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none; transition: none; scroll-behavior: auto; }
}
@media (forced-colors: active) {
  .btn, .tile, .panel, .card { border-color: CanvasText; }
  .wordmark, .wordmark__tx { color: CanvasText; background: none; }
}