:root {
  --ink: #071631;
  --blue: #1458e6;
  --cyan: #23bce8;
  --sky: #e8f6ff;
  --paper: #f7f8fb;
  --white: #fff;
  --muted: #63708a;
  --line: #dfe4ec;
  --lime: #c8ff54;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "DM Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 110px 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap;
}
.skip-link {
  position: fixed; z-index: 100; top: 10px; left: 10px; padding: 10px 14px;
  background: white; transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.notice { background: var(--ink); color: #dfe9fa; font-size: 12px; letter-spacing: .01em; }
.notice-inner { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.notice strong { color: white; }
.notice-company { color: #8293af; font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
.age-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 26px; height: 18px; padding: 0 5px; margin-right: 6px;
  border-radius: 4px; border: 1px solid rgba(255,255,255,.45);
  font-size: 10px; font-weight: 800; letter-spacing: .04em; color: #fff;
}

.site-header {
  position: sticky; z-index: 20; top: 0; height: 76px; background: rgba(255,255,255,.94);
  backdrop-filter: blur(16px); border-bottom: 1px solid rgba(7,22,49,.08);
}
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; line-height: 1; }
.brand img { width: 42px; height: 42px; object-fit: contain; border-radius: 10px; }
.brand span { display: flex; flex-direction: column; }
.brand b { font: 800 18px/1 "Manrope", sans-serif; letter-spacing: -.04em; }
.brand small { margin-top: 4px; color: var(--muted); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { font-size: 14px; font-weight: 600; }
.main-nav a:hover { color: var(--blue); }
.nav-company {
  padding-left: 24px; border-left: 1px solid var(--line); color: var(--muted);
  font-size: 9px; letter-spacing: .1em; max-width: 128px; line-height: 1.3;
}
.menu-toggle { display: none; border: 0; background: none; padding: 8px; }
.menu-toggle > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px; background: var(--ink); }

.hero {
  min-height: 740px; position: relative; overflow: hidden; display: flex; align-items: center;
  color: white; background: var(--ink);
}
.hero-art { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(2,12,32,.98) 4%, rgba(2,12,32,.86) 37%, rgba(2,12,32,.2) 67%, rgba(2,12,32,.06)),
              linear-gradient(0deg, rgba(2,12,32,.62), transparent 40%);
}
.hero-content { position: relative; z-index: 1; padding: 100px 0 70px; }
.eyebrow, .section-kicker {
  display: inline-flex; align-items: center; gap: 10px; color: var(--blue);
  font: 700 11px/1 "Manrope", sans-serif; letter-spacing: .14em; text-transform: uppercase;
}
.eyebrow { color: #9eeaff; }
.eyebrow span { width: 28px; height: 1px; background: var(--cyan); }
.hero h1 {
  max-width: 760px; margin: 24px 0; font: 700 clamp(50px, 6vw, 82px)/.98 "Manrope", sans-serif;
  letter-spacing: -.055em;
}
.hero h1 em { color: #9be8ff; font-style: normal; }
.hero-copy { max-width: 580px; color: #bfcbdd; font-size: 18px; line-height: 1.65; }
.hero-actions { margin-top: 36px; display: flex; align-items: center; gap: 28px; }
.button {
  min-height: 50px; padding: 0 20px; display: inline-flex; align-items: center; justify-content: center;
  gap: 14px; border-radius: 8px; font-size: 14px; font-weight: 700; transition: .2s ease;
}
.button-primary { background: var(--lime); color: var(--ink); }
.button-primary:hover { background: white; transform: translateY(-2px); }
.text-link { font-size: 14px; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.35); padding-bottom: 5px; }
.hero-facts {
  margin: 70px 0 0; padding: 25px 0 0; list-style: none; max-width: 680px;
  display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.16);
}
.hero-facts li { display: grid; grid-template-columns: 30px 1fr; align-items: center; }
.hero-facts .check {
  grid-row: span 2; width: 22px; height: 22px; display: grid; place-items: center;
  border: 1px solid #5dd5fa; border-radius: 50%; color: #5dd5fa; font-size: 11px;
}
.hero-facts b { font-size: 13px; }
.hero-facts small { color: #8190a8; font-size: 11px; }

h2 { margin: 14px 0 0; font: 700 clamp(36px, 4.1vw, 58px)/1.08 "Manrope", sans-serif; letter-spacing: -.045em; }
h3 { font-family: "Manrope", sans-serif; }
.intro { background: var(--paper); }
.intro-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: start; }
.intro-copy { border-left: 1px solid var(--line); padding-left: 60px; }
.intro-copy p { margin: 0 0 20px; color: #4d5b73; font-size: 17px; line-height: 1.75; }
.intro-copy strong { color: var(--ink); }

.section-head { display: flex; align-items: end; justify-content: space-between; gap: 60px; margin-bottom: 45px; }
.section-head > p { max-width: 390px; margin: 0 0 4px; color: var(--muted); line-height: 1.6; }
.platform-card {
  border: 1px solid var(--line); border-radius: var(--radius); display: grid;
  grid-template-columns: 88px 1.4fr .8fr 230px; overflow: hidden; box-shadow: 0 18px 50px rgba(7,22,49,.07);
}
.rank {
  padding: 30px 18px; background: var(--ink); color: white; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px;
}
.rank small { color: #8190a8; font-size: 8px; letter-spacing: .12em; }
.rank strong { font: 700 34px/1 "Manrope", sans-serif; }
.platform-main { display: grid; grid-template-columns: 130px 1fr; gap: 24px; align-items: center; padding: 34px; }
.platform-logo {
  height: 116px; padding: 20px; border-radius: 14px; display: grid; place-items: center; background: var(--ink);
}
.platform-logo img { width: 100%; height: auto; object-fit: contain; }
.rating-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.rating { font-weight: 800; }
.stars { color: #f2b300; letter-spacing: 1px; font-size: 12px; }
.review-tag { color: var(--muted); font-size: 10px; }
.platform-main h3 { margin: 0 0 8px; font-size: 22px; }
.platform-main p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.platform-details {
  padding: 30px; display: flex; flex-direction: column; justify-content: center; gap: 20px;
  background: var(--paper); border-inline: 1px solid var(--line);
}
.platform-details div { display: flex; flex-direction: column; gap: 4px; }
.platform-details small { color: var(--muted); font-size: 8px; letter-spacing: .1em; }
.platform-details b { font-size: 12px; line-height: 1.4; }
.platform-actions { padding: 28px; display: flex; flex-direction: column; justify-content: center; gap: 10px; }
.button-dark { color: white; background: var(--ink); }
.button-dark:hover { background: var(--blue); }
.platform-actions small { color: var(--muted); text-align: center; font-size: 9px; line-height: 1.4; }
.fine-print { color: var(--muted); font-size: 10px; line-height: 1.5; }

.review { background: var(--sky); }
.review-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; }
.review-sticky { align-self: start; position: sticky; top: 120px; }
.review-sticky > p { max-width: 410px; color: var(--muted); line-height: 1.7; }
.score-card {
  margin-top: 35px; padding: 24px; width: 290px; display: flex; align-items: center; gap: 22px;
  border-radius: 14px; background: white; box-shadow: 0 12px 30px rgba(20,88,230,.09);
}
.score-card > strong { font: 800 38px "Manrope", sans-serif; }
.score-card > strong small { font-size: 15px; color: var(--muted); }
.score-card div { display: flex; flex-direction: column; gap: 4px; }
.score-card div small { color: var(--muted); font-size: 10px; }
.review-block {
  display: grid; grid-template-columns: 40px 1fr 40px; gap: 20px; padding: 30px 0; border-bottom: 1px solid #c9dce9;
}
.number { color: var(--blue); font: 700 11px "Manrope", sans-serif; }
.review-block h3 { margin: 0 0 10px; font-size: 19px; }
.review-block p { margin: 0; color: var(--muted); line-height: 1.65; font-size: 14px; }
.mini-score { font: 700 16px "Manrope", sans-serif; }
.editor-note { margin-top: 30px; padding: 25px; background: #d8f2ff; border-left: 3px solid var(--blue); }
.editor-note span { color: var(--blue); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }
.editor-note p { margin: 8px 0 0; color: #394c69; font-size: 13px; line-height: 1.65; }

.method { background: var(--ink); color: white; }
.section-head.light > p { color: #94a4bc; }
.method .section-kicker { color: #76ddfa; }
.method-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,255,255,.14); }
.method-grid article { padding: 32px; border-right: 1px solid rgba(255,255,255,.14); }
.method-grid article:last-child { border: 0; }
.method-grid span { color: #79e3ff; font: 700 11px "Manrope"; }
.method-grid h3 { margin: 60px 0 12px; font-size: 18px; }
.method-grid p { color: #9aa9bf; font-size: 13px; line-height: 1.65; }
.method-meta { margin-top: 20px; display: flex; justify-content: space-between; color: #6f819d; font-size: 10px; }

.guide { background: var(--paper); }
.guide .container { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.guide-title { position: sticky; top: 120px; align-self: start; }
.guide-list article { display: grid; grid-template-columns: 50px 1fr; padding: 28px 0; border-top: 1px solid var(--line); }
.guide-list article:last-child { border-bottom: 1px solid var(--line); }
.guide-list span { color: var(--blue); font-size: 11px; font-weight: 700; }
.guide-list h3 { margin: 0 0 10px; font-size: 19px; }
.guide-list p { margin: 0; color: var(--muted); line-height: 1.7; }

.responsibility { padding-top: 0; background: var(--paper); }
.responsibility-box {
  padding: 45px; display: grid; grid-template-columns: 90px 1fr 300px; gap: 40px; align-items: center;
  color: white; background: var(--ink); border-radius: var(--radius);
}
.responsibility-icon {
  width: 74px; height: 74px; display: grid; place-items: center; border: 1px solid #4b607e; border-radius: 50%;
  font: 700 25px "Manrope", sans-serif;
}
.responsibility h2 { font-size: 34px; }
.responsibility p { margin-bottom: 0; color: #a8b7cb; font-size: 14px; line-height: 1.65; }
.responsibility .section-kicker { color: #75dcf9; }
.help-card { padding: 22px; display: flex; flex-direction: column; background: #13294f; border-radius: 12px; }
.help-card small { color: #7ddcf6; font-size: 8px; letter-spacing: .12em; }
.help-card b { margin-top: 10px; font: 800 30px "Manrope", sans-serif; }
.help-card span { color: #a8b7cb; font-size: 11px; }
.help-card a { margin-top: 16px; color: white; font-size: 11px; text-decoration: underline; }

.regulators { background: var(--paper); padding-top: 0; }
.regulators-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 20px; }
.regulator-card {
  display: flex; flex-direction: column; padding: 26px; background: white;
  border: 1px solid var(--line); border-radius: 14px; transition: .2s ease;
}
.regulator-card:hover { border-color: var(--blue); transform: translateY(-3px); box-shadow: 0 14px 34px rgba(7,22,49,.08); }
.regulator-card small { color: var(--muted); font-size: 8px; letter-spacing: .12em; }
.regulator-card h3 { margin: 12px 0 10px; font-size: 19px; letter-spacing: -.02em; }
.regulator-card p { flex: 1; margin: 0 0 18px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.regulator-card > span { color: var(--blue); font-size: 12px; font-weight: 700; }

.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; }
.faq-grid > div:first-child > p { color: var(--muted); }
.accordion details { border-top: 1px solid var(--line); }
.accordion details:last-child { border-bottom: 1px solid var(--line); }
.accordion summary {
  padding: 23px 0; list-style: none; cursor: pointer; display: flex; justify-content: space-between;
  font: 600 16px "Manrope", sans-serif;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { color: var(--blue); font-size: 22px; transition: transform .2s; }
.accordion details[open] summary span { transform: rotate(45deg); }
.accordion details p { margin: -5px 45px 24px 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.disclosure { background: #e8f0fa; padding: 28px 0; }
.disclosure .container { display: grid; grid-template-columns: 180px 1fr; gap: 30px; }
.disclosure b { font-size: 12px; }
.disclosure p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; }

.site-footer { padding: 70px 0 24px; background: #040e21; color: white; }
.footer-top { padding-bottom: 40px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #1c2940; }
.footer-brand img { background: white; }
.footer-brand small { color: #7e8ca3; }
.footer-top > p { max-width: 390px; color: #8291a8; font-size: 12px; line-height: 1.6; text-align: right; }
.footer-grid { padding: 45px 0; display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 70px; }
.footer-grid > div { display: flex; flex-direction: column; gap: 10px; }
.footer-grid h3 { margin: 0 0 8px; color: #7f8da3; font-size: 9px; text-transform: uppercase; letter-spacing: .14em; }
.footer-grid a { color: #c2ccda; font-size: 13px; }
.footer-statement p { margin: 0; color: #8391a7; font-size: 12px; line-height: 1.7; }
.footer-legal { padding: 24px 0; display: flex; flex-wrap: wrap; gap: 28px; }
.footer-legal a { color: #c2ccda; font-size: 13px; }
.footer-legal a:hover { color: white; }
.footer-legal a[aria-current="page"] { color: white; font-weight: 700; }
.footer-bottom { padding-top: 22px; display: flex; justify-content: space-between; border-top: 1px solid #1c2940; color: #64738a; font-size: 9px; }

.legal-main { background: var(--paper); min-height: 70vh; padding: 90px 0; }
.legal-content { max-width: 820px; }
.legal-content h1 { font: 700 clamp(42px, 5vw, 64px)/1 "Manrope"; letter-spacing: -.05em; }
.legal-content .updated { color: var(--muted); font-size: 12px; }
.legal-content h2 { margin-top: 45px; font-size: 24px; letter-spacing: -.02em; }
.legal-content p, .legal-content li { color: #526078; line-height: 1.75; }

@media (max-width: 1020px) {
  .platform-card { grid-template-columns: 80px 1fr 230px; }
  .platform-details { display: none; }
  .platform-main { grid-template-columns: 110px 1fr; }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .regulators-grid { grid-template-columns: repeat(2, 1fr); }
  .method-grid article:nth-child(2) { border-right: 0; }
  .method-grid article:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.14); }
  .responsibility-box { grid-template-columns: 70px 1fr; }
  .help-card { grid-column: 2; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, 600px); }
  .section { padding: 76px 0; }
  .notice-company { display: none; }
  .notice-inner { justify-content: center; text-align: center; min-height: 40px; }
  .site-header { height: 66px; }
  .brand img { width: 36px; height: 36px; }
  .brand b { font-size: 16px; }
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute; top: 66px; left: 0; right: 0; padding: 20px;
    display: none; flex-direction: column; align-items: stretch; background: white; border-bottom: 1px solid var(--line);
  }
  .main-nav.open { display: flex; }
  .nav-company { padding: 18px 0 0; border-left: 0; border-top: 1px solid var(--line); max-width: none; }
  .hero { min-height: 720px; align-items: end; }
  .hero-art { object-position: 62% center; opacity: .75; }
  .hero-shade { background: linear-gradient(0deg, rgba(2,12,32,.98) 20%, rgba(2,12,32,.65) 75%, rgba(2,12,32,.45)); }
  .hero-content { padding: 220px 0 48px; }
  .hero h1 { font-size: clamp(42px, 12vw, 62px); }
  .hero-copy { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .hero-facts { margin-top: 45px; grid-template-columns: 1fr; gap: 15px; }
  .hero-facts li { max-width: 180px; }
  .intro-grid, .review-grid, .guide .container, .faq-grid { grid-template-columns: 1fr; gap: 45px; }
  .intro-copy { border: 0; padding: 0; }
  .section-head { align-items: start; flex-direction: column; gap: 20px; }
  .platform-card { grid-template-columns: 1fr; }
  .rank { padding: 12px 20px; flex-direction: row; justify-content: flex-start; }
  .rank strong { font-size: 18px; }
  .platform-main { grid-template-columns: 90px 1fr; padding: 24px 18px; }
  .platform-logo { height: 90px; }
  .rating-row { flex-wrap: wrap; }
  .platform-main h3 { font-size: 19px; }
  .platform-actions { padding: 18px; border-top: 1px solid var(--line); }
  .review-sticky, .guide-title { position: static; }
  .score-card { width: 100%; }
  .review-block { grid-template-columns: 35px 1fr; }
  .mini-score { display: none; }
  .method-grid { grid-template-columns: 1fr; }
  .method-grid article, .method-grid article:nth-child(2) { border: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .method-grid h3 { margin-top: 35px; }
  .method-meta { flex-direction: column; gap: 8px; }
  .responsibility-box { padding: 30px 22px; grid-template-columns: 1fr; }
  .responsibility-icon { width: 60px; height: 60px; font-size: 20px; }
  .help-card { grid-column: auto; }
  .regulators-grid { grid-template-columns: 1fr; }
  .disclosure .container { grid-template-columns: 1fr; gap: 10px; }
  .footer-top, .footer-bottom { align-items: flex-start; flex-direction: column; gap: 20px; }
  .footer-top > p { text-align: left; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-statement { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}