:root {
  color-scheme: dark;
  --bg: #071012;
  --bg-deep: #04090a;
  --surface: #0c181b;
  --surface-2: #102126;
  --ink: #f1f4f2;
  --muted: #9bacae;
  --quiet: #6f8285;
  --line: rgba(159, 221, 215, .15);
  --line-strong: rgba(159, 221, 215, .28);
  --mint: #87ddd2;
  --mint-bright: #b7f2e8;
  --gold: #e9b96e;
  --gold-soft: #f4d59f;
  --max: 1180px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 4%, rgba(73, 151, 149, .13), transparent 31rem),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  color: var(--ink);
  min-width: 320px;
}

body::before {
  background-image:
    linear-gradient(rgba(135, 221, 210, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(135, 221, 210, .025) 1px, transparent 1px);
  background-size: 56px 56px;
  content: "";
  inset: 0;
  mask-image: linear-gradient(to bottom, #000, transparent 72%);
  pointer-events: none;
  position: fixed;
  z-index: -1;
}

img, svg { display: block; }
a { color: inherit; text-decoration: none; }
.text-link { color: var(--mint-bright); text-decoration: underline; text-decoration-color: rgba(135, 221, 210, .35); text-underline-offset: 4px; }

p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.72;
  margin: 0;
}

h1, h2, h3 { color: var(--ink); letter-spacing: -.035em; margin: 0; }
h2 { font-size: clamp(36px, 4.4vw, 58px); line-height: 1.03; }
h3 { font-size: 22px; line-height: 1.25; }

.site-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(4, 9, 10, .82);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 30px;
  justify-content: space-between;
  left: 0;
  padding: 16px max(24px, calc((100vw - var(--max)) / 2));
  position: absolute;
  right: 0;
  top: 0;
  z-index: 10;
}

.brand { align-items: center; display: inline-flex; gap: 12px; font-weight: 800; }
.brand-mark {
  align-items: center;
  background: rgba(135, 221, 210, .05);
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--mint-bright);
  display: inline-flex;
  height: 40px;
  justify-content: center;
  width: 40px;
}
.brand-mark svg { height: 21px; width: 21px; }
.brand-text { font-size: 15px; letter-spacing: .06em; text-transform: uppercase; }

.main-nav { align-items: center; display: flex; gap: 24px; }
.main-nav a { color: rgba(241, 244, 242, .7); font-size: 14px; font-weight: 650; padding: 10px 0; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--mint-bright); }
.main-nav .nav-cta {
  background: var(--mint);
  border: 1px solid var(--mint-bright);
  border-radius: 7px;
  color: #061012;
  padding: 12px 17px;
}

.hero {
  border-bottom: 1px solid var(--line);
  isolation: isolate;
  min-height: 720px;
  overflow: hidden;
  position: relative;
}

.hero::after {
  background:
    linear-gradient(90deg, rgba(4, 9, 10, .99) 0%, rgba(4, 9, 10, .92) 44%, rgba(4, 9, 10, .46) 72%, rgba(4, 9, 10, .88) 100%),
    linear-gradient(180deg, rgba(4, 9, 10, .08), var(--bg-deep));
  content: "";
  inset: 0;
  position: absolute;
  z-index: -1;
}

.hero-media { inset: 0 0 0 auto; opacity: .68; position: absolute; width: 64%; z-index: -2; }
.hero-media img { height: 100%; object-fit: cover; object-position: 76% 48%; width: 100%; }
.hero-inner { align-items: center; display: grid; min-height: 720px; padding: 132px max(24px, calc((100vw - var(--max)) / 2)) 64px; }
.hero-copy { max-width: 760px; }
.eyebrow, .section-kicker {
  color: var(--mint);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .16em;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.hero h1 { font-size: clamp(54px, 6.2vw, 82px); line-height: .95; max-width: 820px; }
.hero-sub { color: rgba(241, 244, 242, .75); font-size: 23px; line-height: 1.52; margin-top: 28px; max-width: 680px; }
.hero-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }

.cta, .secondary-cta {
  align-items: center;
  border-radius: 7px;
  display: inline-flex;
  font-size: 16px;
  font-weight: 800;
  gap: 10px;
  justify-content: center;
  min-height: 54px;
  padding: 16px 22px;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.cta { background: var(--mint); border: 1px solid var(--mint-bright); box-shadow: 0 16px 42px rgba(56, 172, 159, .16); color: #061012; }
.secondary-cta { background: rgba(255, 255, 255, .025); border: 1px solid var(--line-strong); color: var(--ink); }
.cta svg, .secondary-cta svg { height: 19px; width: 19px; }
.cta:hover, .secondary-cta:hover { transform: translateY(-2px); }
.secondary-cta:hover { border-color: rgba(135, 221, 210, .55); }

.hero-meta {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 64px;
  max-width: 740px;
}
.hero-meta div { padding: 18px 24px 0 0; }
.hero-meta div + div { border-left: 1px solid var(--line); padding-left: 24px; }
.hero-meta strong { display: block; font-size: 14px; margin-bottom: 5px; }
.hero-meta span { color: var(--quiet); font-size: 13px; }

.band { border-top: 1px solid var(--line); padding: 104px max(24px, calc((100vw - var(--max)) / 2)); position: relative; }
.band-inner { margin: 0 auto; max-width: var(--max); position: relative; }
.split { align-items: start; display: grid; gap: 70px; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); }
.lead { color: rgba(241, 244, 242, .77); font-size: 21px; line-height: 1.58; margin-top: 20px; }
.stack { display: grid; gap: 20px; }

.proof-strip {
  background: rgba(135, 221, 210, .035);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 auto;
  max-width: var(--max);
}
.proof-item { border-left: 1px solid var(--line); min-height: 132px; padding: 28px; }
.proof-item:first-child { border-left: 0; }
.proof-item b { display: block; font-size: 15px; margin-bottom: 10px; }
.proof-item span { color: var(--muted); font-size: 14px; line-height: 1.55; }

.grid-2, .grid-3, .guide-grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3, .guide-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.item, .guide-card, .article-card {
  background: linear-gradient(145deg, rgba(16, 33, 38, .87), rgba(8, 18, 20, .94));
  border: 1px solid var(--line);
  border-radius: 9px;
  min-height: 210px;
  padding: 30px;
  position: relative;
}
.guide-card, .article-card { transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.guide-card:hover, .article-card:hover { border-color: rgba(135, 221, 210, .42); transform: translateY(-4px); }
.item svg, .guide-card svg { color: var(--mint); height: 31px; margin-bottom: 34px; width: 31px; }
.item p, .guide-card p, .article-card p { font-size: 15px; margin-top: 12px; }
.card-tag { color: var(--gold-soft); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.card-arrow { bottom: 26px; color: var(--mint); font-size: 20px; position: absolute; right: 28px; }

.flow { background: linear-gradient(135deg, rgba(14, 31, 35, .96), rgba(5, 13, 15, .98)); }
.steps { counter-reset: step; display: grid; gap: 1px; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 42px; }
.step { background: rgba(255, 255, 255, .03); border: 1px solid rgba(135, 221, 210, .05); min-height: 210px; padding: 28px; }
.step::before { color: var(--gold-soft); content: "0" counter(step); counter-increment: step; display: block; font-size: 13px; font-weight: 850; letter-spacing: .12em; margin-bottom: 42px; }
.step p { font-size: 15px; margin-top: 12px; }

.report-band { background: radial-gradient(circle at 82% 40%, rgba(233, 185, 110, .08), transparent 25rem); }
.report-visual {
  background: rgba(4, 9, 10, .8);
  border: 1px solid var(--line);
  border-radius: 9px;
  min-height: 340px;
  overflow: hidden;
  position: relative;
}
.report-visual::before { background: linear-gradient(180deg, rgba(4, 9, 10, .05), rgba(4, 9, 10, .74)), url("/assets/visual.svg") center / cover no-repeat; content: ""; inset: 0; position: absolute; }
.report-note { border-left: 2px solid var(--gold); color: var(--muted); font-size: 14px; line-height: 1.6; margin-top: 28px; max-width: 630px; padding-left: 18px; }

.cta-panel { align-items: center; background: linear-gradient(135deg, rgba(16, 37, 40, .97), rgba(6, 15, 17, .98)); border: 1px solid var(--line-strong); border-radius: 9px; display: flex; gap: 32px; justify-content: space-between; padding: 44px; }
.cta-panel p { max-width: 620px; }

.sub-hero { border-bottom: 1px solid var(--line); min-height: 590px; overflow: hidden; padding: 150px max(24px, calc((100vw - var(--max)) / 2)) 82px; position: relative; }
.sub-hero::before { background: linear-gradient(90deg, rgba(4, 9, 10, .98), rgba(4, 9, 10, .84) 58%, rgba(4, 9, 10, .48)), url("/assets/hero-scene.webp") 78% 50% / cover no-repeat; content: ""; inset: 0; opacity: .8; position: absolute; z-index: -1; }
.sub-hero-inner { margin: 0 auto; max-width: var(--max); }
.sub-hero h1 { font-size: clamp(50px, 6vw, 78px); line-height: .98; max-width: 890px; }
.sub-hero .lead { max-width: 700px; }
.breadcrumbs { color: var(--quiet); display: flex; flex-wrap: wrap; font-size: 13px; gap: 9px; margin-bottom: 34px; }
.breadcrumbs a:hover { color: var(--mint); }

.article-layout { display: grid; gap: 72px; grid-template-columns: minmax(0, 1fr) 260px; }
.article-body { max-width: 790px; }
.article-body h2 { font-size: 38px; margin: 58px 0 20px; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { font-size: 24px; margin: 34px 0 14px; }
.article-body p + p { margin-top: 18px; }
.article-body a:not(.cta):not(.secondary-cta) { color: var(--mint-bright); text-decoration: underline; text-decoration-color: rgba(135, 221, 210, .35); text-underline-offset: 4px; }
.article-aside { align-self: start; position: sticky; top: 28px; }
.aside-box { background: rgba(12, 24, 27, .88); border: 1px solid var(--line); border-radius: 9px; padding: 24px; }
.aside-box + .aside-box { margin-top: 14px; }
.aside-box b { display: block; font-size: 13px; letter-spacing: .08em; margin-bottom: 16px; text-transform: uppercase; }
.aside-links { display: grid; gap: 12px; }
.aside-links a { color: var(--muted); font-size: 14px; line-height: 1.45; }
.aside-links a:hover { color: var(--mint-bright); }

.content-list { display: grid; gap: 14px; margin: 26px 0 0; padding: 0; }
.content-list li { color: rgba(241, 244, 242, .72); font-size: 17px; line-height: 1.62; list-style: none; padding-left: 27px; position: relative; }
.content-list li::before { background: var(--mint); border-radius: 50%; content: ""; height: 7px; left: 0; position: absolute; top: 10px; width: 7px; }

.definition { background: rgba(135, 221, 210, .045); border: 1px solid var(--line); border-left: 3px solid var(--mint); border-radius: 8px; margin: 30px 0; padding: 24px 26px; }
.definition strong { display: block; margin-bottom: 8px; }
.definition p { font-size: 15px; }

.faq-list { border-top: 1px solid var(--line); margin-top: 42px; }
.faq-list details { border-bottom: 1px solid var(--line); padding: 0; }
.faq-list summary { cursor: pointer; font-size: 18px; font-weight: 750; list-style: none; padding: 24px 38px 24px 0; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { color: var(--mint); content: "+"; font-size: 26px; font-weight: 400; position: absolute; right: 4px; top: 18px; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { max-width: 820px; padding: 0 40px 24px 0; }

.policy-block { max-width: 850px; }
.policy-block h2 { font-size: 34px; margin: 50px 0 16px; }
.policy-block h2:first-child { margin-top: 0; }
.policy-block p, .policy-block li { color: rgba(241, 244, 242, .72); font-size: 17px; line-height: 1.72; }

.site-footer { background: #030708; border-top: 1px solid var(--line); padding: 54px max(24px, calc((100vw - var(--max)) / 2)); }
.footer-inner { display: grid; gap: 48px; grid-template-columns: 1.2fr 2fr; margin: 0 auto; max-width: var(--max); }
.footer-copy { font-size: 14px; margin-top: 18px; max-width: 360px; }
.footer-columns { display: grid; gap: 28px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.footer-column b { display: block; font-size: 12px; letter-spacing: .12em; margin-bottom: 16px; text-transform: uppercase; }
.footer-links { display: grid; gap: 11px; }
.footer-links a { color: var(--muted); font-size: 14px; }
.footer-links a:hover { color: var(--mint-bright); }
.footer-bottom { border-top: 1px solid var(--line); color: var(--quiet); font-size: 12px; margin-top: 44px; padding-top: 24px; }

@media (max-width: 980px) {
  .site-header { padding-left: 22px; padding-right: 22px; }
  .main-nav a:not(.nav-cta) { display: none; }
  .hero, .hero-inner { min-height: 700px; }
  .hero-media { inset: 0; width: 100%; }
  .hero-inner { padding-left: 22px; padding-right: 22px; }
  .split, .article-layout { grid-template-columns: 1fr; }
  .article-aside { display: none; }
  .grid-3, .guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-strip, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .proof-item:nth-child(4) { border-top: 1px solid var(--line); }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  p { font-size: 16px; }
  .site-header { padding: 13px 16px; }
  .brand-text { font-size: 13px; }
  .brand-mark { height: 36px; width: 36px; }
  .main-nav { gap: 0; }
  .main-nav .nav-cta { font-size: 13px; padding: 10px 13px; }
  .hero, .hero-inner { min-height: 690px; }
  .hero-inner { padding: 120px 18px 54px; }
  .hero h1 { font-size: 50px; }
  .hero-sub { font-size: 19px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .cta, .secondary-cta { width: 100%; }
  .hero-meta { grid-template-columns: 1fr; margin-top: 42px; }
  .hero-meta div, .hero-meta div + div { border-left: 0; border-top: 1px solid var(--line); padding: 14px 0; }
  .band { padding: 76px 18px; }
  .sub-hero { min-height: 540px; padding: 120px 18px 64px; }
  .sub-hero h1 { font-size: 46px; }
  .grid-2, .grid-3, .guide-grid, .proof-strip, .steps { grid-template-columns: 1fr; }
  .proof-item, .proof-item:nth-child(2), .proof-item:nth-child(3), .proof-item:nth-child(4) { border-left: 0; border-top: 1px solid var(--line); }
  .proof-item:first-child { border-top: 0; }
  .cta-panel { align-items: stretch; flex-direction: column; padding: 28px; }
  .footer-columns { grid-template-columns: 1fr 1fr; }
  .article-body h2 { font-size: 32px; }
}