:root {
  --bg: #110E14;
  --ruby: #FF0055;
  --hot: #FF3333;
  --text: #F4F4F7;
  --muted: rgba(244,244,247,.72);
  --panel: rgba(255,255,255,.055);
  --panel-strong: rgba(255,0,85,.11);
  --line: rgba(255,255,255,.13);
  --line-ruby: rgba(255,0,85,.45);
  --shadow: 0 28px 90px rgba(0,0,0,.48);
  --glow: 0 0 34px rgba(255,0,85,.38);
  --radius-xl: 34px;
  --radius-md: 22px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.68;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.ruby-veil {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(circle at 12% 6%, rgba(255,0,85,.28), transparent 32%),
    radial-gradient(circle at 86% 16%, rgba(255,51,51,.22), transparent 31%),
    linear-gradient(115deg, rgba(255,0,85,.08), transparent 38%, rgba(255,51,51,.08)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.018) 0 1px, transparent 1px 72px);
}
.ruby-veil::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 0, rgba(0,0,0,.54) 72%);
}

.ruby-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
  width: min(var(--max), calc(100% - 32px));
  margin: 16px auto 0;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(17,14,20,.65);
  backdrop-filter: blur(22px);
  box-shadow: 0 8px 35px rgba(0,0,0,.32);
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}
.ruby-header.is-scrolled {
  background: rgba(17,14,20,.88);
  border-color: rgba(255,0,85,.36);
  transform: translateY(-4px);
}
.ruby-logo img, .ruby-footer-logo img { height: 50px; width: auto; }
.ruby-nav { justify-self: center; display: flex; align-items: center; gap: 8px; }
.ruby-nav a, .ruby-footer nav a {
  padding: 10px 14px;
  color: var(--muted);
  border-radius: 999px;
  font-size: .93rem;
  transition: color .2s ease, background .2s ease, box-shadow .2s ease;
}
.ruby-nav a:hover, .ruby-footer nav a:hover { color: var(--text); background: rgba(255,0,85,.12); box-shadow: var(--glow); }
.ruby-nav-cta, .ruby-button, .ruby-floating-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: .01em;
  background: linear-gradient(135deg, var(--ruby), var(--hot));
  color: var(--text);
  box-shadow: 0 14px 44px rgba(255,0,85,.34);
  border: 1px solid rgba(255,255,255,.15);
  transition: transform .2s ease, filter .2s ease, box-shadow .2s ease;
}
.ruby-nav-cta:hover, .ruby-button:hover, .ruby-floating-cta:hover { transform: translateY(-2px); filter: saturate(1.12); box-shadow: 0 18px 58px rgba(255,0,85,.48); }
.ruby-button.ghost { background: rgba(255,255,255,.04); box-shadow: none; border-color: rgba(255,0,85,.42); }
.ruby-menu-toggle { display: none; width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line); background: rgba(255,255,255,.04); }
.ruby-menu-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; background: var(--text); border-radius: 99px; transition: transform .25s ease, opacity .25s ease; }
.ruby-menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ruby-menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.ruby-menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

main { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
section { margin: 96px 0; }
.ruby-hero {
  min-height: calc(100vh - 100px);
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: 36px;
  margin-top: 32px;
}
.ruby-hero-copy {
  position: relative;
  padding: clamp(28px, 4vw, 54px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-ruby);
  background: linear-gradient(145deg, rgba(255,0,85,.16), rgba(255,255,255,.045) 44%, rgba(255,51,51,.09));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
  overflow: hidden;
}
.ruby-hero-copy::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(90deg, transparent, rgba(255,0,85,.28), transparent);
  transform: translateX(-100%);
  animation: scan 8s ease-in-out infinite;
}
@keyframes scan { 0%, 65% { transform: translateX(-110%); } 100% { transform: translateX(110%); } }
.ruby-kicker {
  position: relative;
  display: inline-flex;
  margin: 0 0 18px;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid rgba(255,0,85,.55);
  background: rgba(255,0,85,.10);
  color: var(--text);
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: .78rem;
}
h1, h2, h3 { line-height: 1.08; letter-spacing: -.04em; margin: 0 0 20px; }
h1 { position: relative; font-size: clamp(2.5rem, 7vw, 6.35rem); max-width: 11ch; text-shadow: 0 0 26px rgba(255,0,85,.42); }
h2 { font-size: clamp(1.9rem, 4vw, 3.45rem); }
h3 { font-size: clamp(1.18rem, 2vw, 1.6rem); margin-top: 26px; color: var(--text); }
p { color: var(--muted); margin: 0 0 16px; }
.ruby-hero-copy p:not(.ruby-kicker) { position: relative; font-size: clamp(1rem, 1.3vw, 1.18rem); color: rgba(244,244,247,.82); max-width: 62ch; }
.ruby-hero-actions { position: relative; display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.ruby-hero-visual, .ruby-media-panel {
  margin: 0;
  padding: 12px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,.045);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}
.ruby-hero-visual img, .ruby-media-panel img { width: 100%; border-radius: calc(var(--radius-xl) - 12px); object-fit: cover; }
.ruby-hero-visual figcaption, .ruby-media-panel figcaption, .ruby-subnote {
  margin-top: 12px;
  padding: 13px 16px;
  border-radius: 18px;
  background: rgba(255,0,85,.09);
  border: 1px solid rgba(255,0,85,.28);
  color: rgba(244,244,247,.76);
  font-size: .94rem;
}
.ruby-dual-caption figcaption { display: grid; gap: 8px; }

.ruby-context {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 24px;
  align-items: start;
}
.ruby-context-text, .ruby-panel, .ruby-tab-panel, .ruby-context-table {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
  box-shadow: 0 18px 55px rgba(0,0,0,.30);
  padding: clamp(22px, 3vw, 36px);
  backdrop-filter: blur(18px);
}
.ruby-context-text { position: sticky; top: 110px; }
.ruby-table-shell { overflow-x: auto; margin-top: 20px; border-radius: 22px; border: 1px solid rgba(255,255,255,.11); }
table { width: 100%; min-width: 680px; border-collapse: collapse; }
th, td { padding: 15px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid rgba(255,255,255,.09); }
th { color: var(--text); background: rgba(255,0,85,.16); font-size: .92rem; letter-spacing: .04em; text-transform: uppercase; }
td { color: rgba(244,244,247,.76); }
tr:hover td { background: rgba(255,0,85,.055); }

.ruby-security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.ruby-panel-hot { border-color: rgba(255,0,85,.34); background: linear-gradient(145deg, rgba(255,0,85,.10), rgba(255,255,255,.035)); }
.ruby-panel ul, .ruby-panel ol, .ruby-tab-panel ul, .ruby-tab-panel ol, .ruby-proscons ul, .ruby-membership ul, .ruby-membership ol { padding-left: 20px; margin: 14px 0 0; color: rgba(244,244,247,.78); }
li { margin: 10px 0; }

.ruby-membership .ruby-membership-copy { display: block; }
.ruby-membership .ruby-media-panel { margin-top: 30px; }

.ruby-playbook {
  display: grid;
  grid-template-columns: 220px minmax(0,1fr);
  gap: 24px;
  align-items: start;
}
.ruby-tabs {
  position: sticky;
  top: 110px;
  display: grid;
  gap: 10px;
  padding: 12px;
  border-radius: 28px;
  background: rgba(255,255,255,.045);
  border: 1px solid var(--line);
  box-shadow: 0 18px 45px rgba(0,0,0,.27);
}
.ruby-tab {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 18px;
  background: rgba(255,255,255,.045);
  color: var(--muted);
  padding: 15px 16px;
  text-align: left;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.ruby-tab:hover, .ruby-tab.active { color: var(--text); border-color: rgba(255,0,85,.45); background: linear-gradient(135deg, rgba(255,0,85,.22), rgba(255,51,51,.11)); transform: translateX(4px); }
.ruby-tab-panel { display: none; }
.ruby-tab-panel.active { display: block; animation: rubyFade .35s ease both; }
@keyframes rubyFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.ruby-tab-panel h2:first-child { color: var(--text); }
.ruby-tab-panel h2:first-child::after, .ruby-panel h2:first-child::after, .ruby-faq h2::after {
  content: "";
  display: block;
  width: 74px;
  height: 3px;
  margin-top: 16px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--ruby), var(--hot));
  box-shadow: var(--glow);
}

.ruby-evaluation { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: start; }
.ruby-proscons h3 { color: var(--text); }
.ruby-fit, .ruby-responsible { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.ruby-conclusion { border-color: rgba(255,51,51,.38); }

.ruby-faq { max-width: 960px; margin-left: auto; margin-right: auto; }
.ruby-faq-list { display: grid; gap: 12px; margin-top: 26px; }
.ruby-faq-item {
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: rgba(255,255,255,.04);
  box-shadow: 0 14px 40px rgba(0,0,0,.22);
}
.ruby-faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 20px 22px;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  font: inherit;
  font-size: 1.04rem;
  font-weight: 850;
  cursor: pointer;
}
.faq-mark { position: relative; width: 28px; height: 28px; border-radius: 50%; border: 1px solid rgba(255,0,85,.45); flex: 0 0 auto; }
.faq-mark::before, .faq-mark::after { content: ""; position: absolute; inset: 50% auto auto 50%; width: 12px; height: 2px; background: var(--text); transform: translate(-50%, -50%); border-radius: 2px; }
.faq-mark::after { transform: translate(-50%, -50%) rotate(90deg); transition: opacity .2s ease; }
.ruby-faq-question[aria-expanded="true"] .faq-mark::after { opacity: 0; }
.ruby-faq-answer { max-height: 0; overflow: hidden; padding: 0 22px; transition: max-height .28s ease, padding .28s ease; }
.ruby-faq-question[aria-expanded="true"] + .ruby-faq-answer { padding: 0 22px 22px; }

.ruby-floating-cta {
  position: fixed;
  right: 22px;
  bottom: 24px;
  z-index: 45;
  min-height: 50px;
}
.ruby-cookie {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 60;
  width: min(320px, calc(100% - 48px));
  display: none;
  align-items: center;
  gap: 14px;
  justify-content: space-between;
  padding: 14px 14px 14px 18px;
  border-radius: 22px;
  border: 1px solid rgba(255,0,85,.34);
  background: rgba(17,14,20,.86);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}
.ruby-cookie.show { display: flex; }
.ruby-cookie p { margin: 0; color: var(--text); font-weight: 750; }
.ruby-cookie button {
  border: 0;
  border-radius: 999px;
  padding: 10px 15px;
  color: var(--text);
  background: var(--ruby);
  font-weight: 850;
  cursor: pointer;
}
.ruby-footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 100px auto 24px;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border-radius: 32px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}
.ruby-footer nav { display: flex; gap: 6px; flex-wrap: wrap; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .ruby-header { grid-template-columns: auto auto; justify-content: space-between; }
  .ruby-menu-toggle { display: block; }
  .ruby-nav-cta { display: none; }
  .ruby-nav {
    position: fixed;
    inset: 88px 16px auto 16px;
    display: grid;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--line-ruby);
    border-radius: 28px;
    background: rgba(17,14,20,.96);
    backdrop-filter: blur(22px);
    transform: translateY(-18px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .22s ease, transform .22s ease, visibility .22s ease;
  }
  .ruby-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .ruby-nav a { padding: 15px 16px; }
  .ruby-hero, .ruby-context, .ruby-security-grid, .ruby-playbook, .ruby-evaluation, .ruby-fit, .ruby-responsible { grid-template-columns: 1fr; }
  .ruby-hero { min-height: auto; margin-top: 40px; }
  .ruby-context-text, .ruby-tabs { position: static; }
  .ruby-tabs { grid-template-columns: repeat(5, minmax(0,1fr)); overflow-x: auto; }
  .ruby-tab { text-align: center; white-space: nowrap; }
  .ruby-tab:hover, .ruby-tab.active { transform: none; }
}
@media (max-width: 640px) {
  main, .ruby-header, .ruby-footer { width: min(100% - 22px, var(--max)); }
  section { margin: 64px 0; }
  .ruby-logo img, .ruby-footer-logo img { height: 44px; }
  .ruby-hero-copy, .ruby-context-text, .ruby-panel, .ruby-tab-panel, .ruby-context-table { padding: 20px; border-radius: 26px; }
  .ruby-hero-visual, .ruby-media-panel { padding: 8px; border-radius: 26px; }
  .ruby-hero-visual img, .ruby-media-panel img { border-radius: 18px; }
  .ruby-hero-actions { flex-direction: column; }
  .ruby-button { width: 100%; }
  .ruby-tabs { display: flex; }
  .ruby-tab { min-width: max-content; }
  h1 { max-width: 100%; font-size: clamp(2.25rem, 14vw, 4.25rem); }
  table { min-width: 620px; }
  .ruby-footer { flex-direction: column; align-items: flex-start; }
  .ruby-floating-cta { right: 12px; left: 12px; bottom: 14px; }
  .ruby-cookie { left: 12px; bottom: 76px; width: calc(100% - 24px); }
}