:root {
  /* 05C uses audience_art_direction, brandkit, color_palette */
  --font-main: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #f6faff;
  --bg-soft: #eaf4ff;
  --ink: #06172b;
  --muted: #5e7287;
  --line: #cfe0f2;
  --paper: #ffffff;
  --primary: #071a2f;
  --brand: #2f80ed;
  --accent: #2bd9ff;
  --cta: #2f80ed;
  --gold: #7c5cff;
  --violet: #7c5cff;
  --sky: #2bd9ff;
  --positive: #31b67a;
  --warning: #f5a623;
  --surface-dark: #06172b;
  --surface-light: #f6faff;
  --icon-size: 42px;
  --space-section: 86px;
  --shadow: 0 22px 58px rgba(7, 26, 47, .13);
  --shadow-strong: 0 34px 90px rgba(6, 23, 43, .30);
  --radius: 8px;
  --max: 1320px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(47, 128, 237, .16), transparent 26%),
    radial-gradient(circle at 92% 8%, rgba(43, 217, 255, .14), transparent 24%),
    radial-gradient(circle at 78% 48%, rgba(124, 92, 255, .08), transparent 30%),
    linear-gradient(90deg, rgba(7, 26, 47, .045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(7, 26, 47, .035) 1px, transparent 1px),
    linear-gradient(180deg, var(--bg), #fff 48%, var(--bg-soft));
  background-size: 100% 100%, 100% 100%, 100% 100%, 34px 34px, 34px 34px, 100% 100%;
  line-height: 1.58;
  overflow-x: hidden;
}

a { color: inherit; }
.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.icon {
  width: 22px;
  height: 22px;
  color: currentColor;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}
.icon-card {
  position: relative;
}
.icon-card > .icon {
  width: var(--icon-size);
  height: var(--icon-size);
  padding: 10px;
  margin-bottom: 16px;
  border-radius: 8px;
  color: var(--brand);
  background:
    linear-gradient(135deg, rgba(47,128,237,.16), rgba(43,217,255,.12)),
    #fff;
  box-shadow: inset 0 0 0 1px rgba(7,26,47,.08);
}
.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(7,26,47,.12);
  background: rgba(246, 250, 255, .9);
  backdrop-filter: blur(16px);
}
.topbar__inner {
  width: min(1440px, calc(100% - 32px));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 850;
}
.brand__mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--surface-dark), var(--brand) 58%, var(--accent));
  box-shadow: 0 12px 28px rgba(47,128,237,.26);
}
.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
}
.nav a {
  padding: 8px 10px;
  border-radius: 7px;
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}
.nav a:hover { color: var(--ink); background: #fff; }
.nav-toggle { display: none; }
.button {
  display: inline-flex;
  width: auto;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 850;
  border: 1px solid transparent;
  box-shadow: 0 10px 24px rgba(7,26,47,.08);
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 18px 34px rgba(7,26,47,.16); }
.button--dark {
  color: #fff;
  background: linear-gradient(135deg, #2f80ed, #165dcc 58%, #2bd9ff);
}
.button--light { background: rgba(255,255,255,.9); border-color: var(--line); }

.hero {
  padding: 74px 0 80px;
  min-height: calc(100vh - 70px);
  display: grid;
  align-items: center;
  color: #f4fbff;
  background:
    radial-gradient(circle at 72% 14%, rgba(43,217,255,.22), transparent 25%),
    radial-gradient(circle at 18% 82%, rgba(124,92,255,.18), transparent 30%),
    radial-gradient(circle at 42% 8%, rgba(47,128,237,.14), transparent 28%),
    linear-gradient(135deg, #06172b, #082447 58%, #103a78);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(400px, .72fr);
  gap: 36px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1, h2, h3 { letter-spacing: 0; line-height: 1.06; }
h1 {
  max-width: 760px;
  margin: 0 0 18px;
  font-size: clamp(42px, 7vw, 76px);
  font-weight: 920;
}
.hero .eyebrow {
  color: #9beaff;
}
.hero h1 {
  color: #fff;
  text-shadow: 0 20px 60px rgba(0,0,0,.28);
}
h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 880;
}
h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 850;
}
.hero__lead {
  max-width: 770px;
  margin: 0;
  color: rgba(244,251,255,.8);
  font-size: 20px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.hero__proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}
.hero__proof li {
  min-height: 112px;
  padding: 14px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.hero__proof strong { display: block; margin-bottom: 6px; }
.hero__proof span { color: rgba(244,251,255,.7); font-size: 13px; }
.hero__visual {
  display: grid;
  gap: 12px;
}
.studio-hero {
  position: relative;
}
.hero-art-shell {
  position: relative;
  min-height: 520px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 18% 10%, rgba(43,217,255,.25), transparent 30%),
    radial-gradient(circle at 88% 82%, rgba(124,92,255,.18), transparent 34%),
    linear-gradient(145deg, #06172b, #082447 58%, #0d2d5a);
  box-shadow: 0 34px 80px rgba(6, 23, 43, .36);
  overflow: hidden;
}
.hero-art-shell:before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.24));
  pointer-events: none;
}
.hero-art-frame {
  position: relative;
  z-index: 1;
  height: 100%;
  min-height: 484px;
  display: grid;
  place-items: center;
}
.hero-art {
  width: min(100%, 820px);
  height: auto;
  display: block;
  filter: drop-shadow(0 28px 42px rgba(0,0,0,.34));
  transform: none;
  transform-origin: center;
}
.visual-card {
  overflow: hidden;
  min-height: 430px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(47,128,237,.14), transparent 34%),
    linear-gradient(315deg, rgba(43,217,255,.14), transparent 38%),
    #fff;
  box-shadow: var(--shadow);
}
.visual-card span {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.visual-card strong {
  display: block;
  max-width: 430px;
  font-size: 27px;
  line-height: 1.15;
}
.visual-card svg {
  width: 100%;
  height: auto;
  margin-top: 30px;
}
.visual-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.visual-metrics div {
  padding: 14px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  color: #fff;
  background: rgba(255,255,255,.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.visual-metrics b {
  display: block;
  font-size: 25px;
}
.visual-metrics span {
  display: block;
  margin-top: 5px;
  color: rgba(244,251,255,.68);
  font-size: 12px;
}

.section {
  padding: var(--space-section) 0;
  border-top: 1px solid var(--line);
}
.section--soft {
  background:
    radial-gradient(circle at 92% 12%, rgba(47,128,237,.10), transparent 28%),
    rgba(234, 244, 255, .78);
}
.section--dark {
  color: #fff;
  background:
    radial-gradient(circle at 20% 0%, rgba(43,217,255,.20), transparent 30%),
    radial-gradient(circle at 85% 80%, rgba(124,92,255,.18), transparent 28%),
    var(--surface-dark);
}
.section--cta { background: #fff; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 26px;
}
.section-head > p:last-child {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
}
.section-head--light > p:last-child { color: rgba(255,255,255,.72); }
.split {
  display: grid;
  grid-template-columns: minmax(260px, .42fr) minmax(0, 1fr);
  gap: 38px;
  align-items: start;
}
.text-flow p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 18px;
}
.card-grid,
.meaning-grid {
  display: grid;
  gap: 14px;
}
.card-grid--four { grid-template-columns: repeat(4, 1fr); }
.card-grid--three { grid-template-columns: repeat(3, 1fr); }
.card,
.meaning-card,
.tool-grid article,
.risk-list article,
.price-grid article,
.glossary article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(246,250,255,.96));
  box-shadow: 0 14px 34px rgba(7, 26, 47, .07);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover,
.meaning-card:hover,
.tool-grid article:hover,
.risk-list article:hover,
.price-grid article:hover,
.glossary article:hover {
  transform: translateY(-3px);
  border-color: rgba(47,128,237,.28);
  box-shadow: var(--shadow);
}
.card p,
.meaning-card p,
.tool-grid p,
.risk-list p,
.price-grid p,
.glossary p {
  margin: 9px 0 0;
  color: var(--muted);
}
.compare {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}
.compare__row {
  display: grid;
  grid-template-columns: .8fr 1.1fr 1.2fr;
  min-height: 82px;
  border-top: 1px solid var(--line);
}
.compare__row:first-child { border-top: 0; }
.compare__row--head {
  color: #fff;
  background: linear-gradient(135deg, var(--surface-dark), var(--primary));
  font-weight: 850;
}
.compare__row div {
  padding: 16px;
  border-left: 1px solid var(--line);
}
.compare__row--head div { border-left-color: rgba(255,255,255,.16); }
.compare__row div:first-child { border-left: 0; font-weight: 850; }
.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.step {
  min-height: 210px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.045));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.step span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 20px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), var(--sky));
  font-weight: 900;
}
.step p { color: rgba(255,255,255,.72); }
.bento,
.tool-grid,
.risk-list,
.price-grid,
.metric-grid,
.glossary {
  display: grid;
  gap: 14px;
}
.bento { grid-template-columns: repeat(2, 1fr); }
.bento__item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(47,128,237,.10), transparent 48%),
    #fff;
  box-shadow: 0 14px 34px rgba(7,26,47,.07);
}
.bento__item--wide {
  grid-column: span 2;
  background:
    radial-gradient(circle at 92% 18%, rgba(43,217,255,.17), transparent 30%),
    radial-gradient(circle at 16% 88%, rgba(124,92,255,.16), transparent 32%),
    linear-gradient(135deg, #071a2f, #06172b);
  color: #fff;
}
.bento__item--wide p { color: rgba(244,251,255,.74); }
.tool-grid { grid-template-columns: repeat(4, 1fr); }
.risk-list { grid-template-columns: repeat(2, 1fr); }
.price-grid { grid-template-columns: repeat(3, 1fr); }
.section-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}
.metric-grid {
  grid-template-columns: repeat(4, 1fr);
}
.metric-grid article {
  min-height: 150px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,.11), rgba(255,255,255,.05));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.metric-grid b { display: block; font-size: 28px; }
.metric-grid span { display: block; margin-top: 10px; color: rgba(255,255,255,.72); }
.check-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.check-list li {
  min-height: 76px;
  padding: 15px 15px 15px 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 26px rgba(7,26,47,.06);
  position: relative;
}
.check-list li:before {
  content: "";
  position: absolute;
  left: 15px;
  top: 20px;
  width: 15px;
  height: 15px;
  border-radius: 4px;
  border: 2px solid var(--accent);
  background: linear-gradient(135deg, rgba(47,128,237,.18), rgba(43,217,255,.14));
}
.meaning-grid {
  grid-template-columns: repeat(2, 1fr);
}
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.scenario-card {
  min-height: 230px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, #fff, #fafbf7);
  box-shadow: 0 12px 30px rgba(7,26,47,.06);
}
.scenario-card p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 15px;
}
.question-list {
  display: grid;
  gap: 10px;
}
details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 28px rgba(7,26,47,.055);
}
summary {
  min-height: 62px;
  padding: 18px 52px 18px 20px;
  cursor: pointer;
  list-style: none;
  position: relative;
  font-weight: 850;
}
summary::-webkit-details-marker { display: none; }
summary:after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 17px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  color: var(--accent);
  background: var(--bg-soft);
}
details[open] summary:after { content: "-"; }
details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
}
.glossary { grid-template-columns: repeat(4, 1fr); }
.glossary h3 { text-transform: uppercase; }
.cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #fff;
  background:
    radial-gradient(circle at 8% 0%, rgba(43,217,255,.22), transparent 30%),
    radial-gradient(circle at 88% 100%, rgba(124,92,255,.18), transparent 28%),
    linear-gradient(135deg, var(--surface-dark), var(--primary) 55%, #103a78);
  box-shadow: var(--shadow-strong);
}
.cta .eyebrow { color: #9beaff; }
.cta p { max-width: 760px; color: rgba(244,251,255,.72); }
.footer {
  padding: 42px 0 64px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, #fff, #eef6ff);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
}
.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: end;
}
.footer a {
  text-decoration: none;
  font-weight: 750;
}
.footer__small { grid-column: 1 / -1; font-size: 13px; }

.floating-cta {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 35;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 15px;
  border-radius: 8px;
  color: #fff;
  text-decoration: none;
  font-weight: 900;
  background: linear-gradient(135deg, #2f80ed, #165dcc 58%, #2bd9ff);
  box-shadow: 0 18px 40px rgba(47,128,237,.34);
}
.floating-cta:hover {
  transform: translateY(-2px);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .hero__grid,
  .split {
    grid-template-columns: 1fr;
  }
  .hero__proof,
  .card-grid--four,
  .timeline,
  .tool-grid,
  .metric-grid,
  .glossary {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .container,
  .topbar__inner {
    width: min(100% - 24px, var(--max));
  }
  .topbar__inner {
    min-height: auto;
    padding: 12px 0;
    align-items: stretch;
    flex-wrap: wrap;
  }
  .nav-toggle {
    display: inline-flex;
    width: auto;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: #fff;
    font-weight: 850;
  }
  .nav {
    display: none;
    flex-basis: 100%;
    justify-content: start;
  }
  .nav.is-open { display: flex; }
  .topbar .button { margin-left: auto; }
  .hero { min-height: auto; padding: 42px 0 50px; }
  h1 { font-size: 42px; }
  .hero__lead { font-size: 18px; }
  .hero-art-shell { min-height: 390px; padding: 12px; }
  .hero-art-frame { min-height: 350px; }
  .hero-art { transform: none; }
  .hero__proof,
  .visual-metrics,
  .card-grid--four,
  .card-grid--three,
  .timeline,
  .bento,
  .tool-grid,
  .risk-list,
  .price-grid,
  .metric-grid,
  .check-list,
  .meaning-grid,
  .scenario-grid,
  .glossary,
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .bento__item--wide { grid-column: span 1; }
  .section-head,
  .cta {
    align-items: start;
    flex-direction: column;
  }
  .compare__row { grid-template-columns: 1fr; }
  .compare__row div { border-left: 0; border-top: 1px solid var(--line); }
  .compare__row div:first-child { border-top: 0; }
  .footer nav { justify-content: start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after {
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }
}
