:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #eef5ff;
  --text: #152033;
  --muted: #62708a;
  --line: #dbe5f1;
  --primary: #0f6fff;
  --primary-strong: #0956ca;
  --gold: #ffb11f;
  --shadow: 0 18px 45px rgba(10, 35, 70, 0.10);
  --radius: 24px;
  --radius-sm: 16px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 111, 255, 0.08), transparent 30%),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p, ul, ol { margin: 0 0 1rem; }
button { font: inherit; }
figure { margin: 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  background: var(--primary);
  color: #fff;
  padding: .75rem 1rem;
  border-radius: 10px;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}
.section { padding: 44px 0; }
.section-heading {
  margin-bottom: 24px;
}
.section-heading.compact { margin-bottom: 18px; }
.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .77rem;
}
h1, h2, h3 {
  line-height: 1.15;
  margin: 0 0 12px;
}
h1 { font-size: clamp(2rem, 4vw, 4rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.06rem, 2vw, 1.3rem); }
.lead {
  font-size: clamp(1.02rem, 1.4vw, 1.14rem);
  color: var(--muted);
  max-width: 62ch;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(219, 229, 241, 0.7);
}
.header-row {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), #4ea2ff);
  color: #fff;
  box-shadow: var(--shadow);
}
.brand-text {
  display: grid;
  gap: 2px;
}
.brand-text small {
  color: var(--muted);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-weight: 600;
  color: #30415d;
}
.main-nav a:hover,
.main-nav a:focus-visible { color: var(--primary); }
.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 0;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  border-radius: 99px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  padding-top: 60px;
  padding-bottom: 20px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 32px;
  align-items: center;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 22px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 700;
  transition: .2s ease;
}
.button:hover,
.button:focus-visible { transform: translateY(-1px); }
.button-primary {
  background: linear-gradient(135deg, var(--primary), #4ea2ff);
  color: #fff;
  box-shadow: 0 14px 30px rgba(15, 111, 255, 0.24);
}
.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
}
.button.wide { width: 100%; }
.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.hero-points li {
  position: relative;
  padding-left: 18px;
  color: #32425c;
}
.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 5px rgba(15, 111, 255, 0.13);
}
.hero-visual {
  position: relative;
  padding: 18px;
}
.device-card,
.media-card,
.notice-card,
.rating-card,
.feature-card,
.notice-item,
.security-card,
.review-card,
.pros-cons-card,
.verdict-card,
.sidebar-card,
.toc-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(219, 229, 241, 0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.device-card {
  padding: 18px;
}
.device-card img {
  border-radius: 22px;
}
.hero-wallet-figure {
  margin: 0;
}
.hero-wallet-figure picture,
.hero-wallet-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.floating-note {
  position: absolute;
  max-width: 220px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.note-top { top: 14px; right: -8px; }
.note-bottom { left: -10px; bottom: 8px; }
.note-badge {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--primary);
  font-weight: 800;
}
.floating-note p { margin: 0; font-size: .95rem; }

.quick-rating { padding-top: 18px; }
.rating-grid,
.feature-grid,
.security-grid,
.reviews-grid,
.pros-cons-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.rating-card,
.feature-card,
.notice-item,
.security-card,
.review-card,
.pros-cons-card,
.verdict-card,
.sidebar-card,
.notice-card {
  padding: 24px;
}
.stars {
  font-size: 1.02rem;
  letter-spacing: .15em;
  color: var(--gold);
  margin-bottom: 10px;
}
.rating-card p,
.feature-card p,
.security-card p,
.review-card p,
.notice-item p,
.notice-card p,
.verdict-card p { color: var(--muted); }
.feature-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--surface-2);
  font-size: 1.4rem;
  margin-bottom: 14px;
}

.toc-card {
  padding: 20px 22px;
}
.toc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.toc-links a {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface-2);
  color: #244267;
  font-weight: 600;
}
.toc-links a:hover,
.toc-links a:focus-visible {
  background: #dbeaff;
  color: var(--primary-strong);
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
}
.article-content {
  min-width: 0;
}
.sidebar {
  position: relative;
}
.sticky-card {
  position: sticky;
  top: 102px;
}
.sidebar-label {
  margin: 0 0 8px;
  font-weight: 800;
  color: var(--primary);
}
.sidebar-list {
  padding-left: 18px;
  color: var(--muted);
}

.split-block {
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 24px;
  align-items: center;
}
.split-block.reverse {
  grid-template-columns: .98fr 1.02fr;
}
.token-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}
.token-box {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.75);
}
.token-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.token-list li {
  padding: 8px 0;
  border-bottom: 1px solid #ebf1f8;
}
.token-list li:last-child { border-bottom: 0; }

.media-card {
  overflow: hidden;
}
.media-card img {
  width: 100%;
  height: auto;
  cursor: zoom-in;
}
.media-card figcaption {
  padding: 14px 18px 18px;
  color: var(--muted);
  font-size: .95rem;
}
.gallery-two,
.gallery-three {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}
.gallery-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.gallery-three { grid-template-columns: 1fr 1.2fr .95fr; }

.notice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.notice-item.warning {
  background: linear-gradient(180deg, #fff7e9 0%, rgba(255,255,255,.98) 100%);
}

.timeline {
  display: grid;
  gap: 16px;
  margin-bottom: 22px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px;
  border-radius: 20px;
  background: rgba(255,255,255,.86);
  border: 1px solid var(--line);
}
.timeline-step {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), #4ea2ff);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 18px;
}
.filter-button {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.84);
  font-weight: 700;
  color: #30415d;
  cursor: pointer;
}
.filter-button.is-active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}
.review-card {
  min-height: 100%;
}
.review-card h3 {
  min-height: 54px;
}
.review-card.is-hidden { display: none; }

.pros-cons-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.pros-cons-card ul {
  padding-left: 20px;
  color: var(--muted);
}
.pros-cons-card li + li { margin-top: 10px; }
.pros-cons-card.pros { background: linear-gradient(180deg, #f4fbf5 0%, #fff 100%); }
.pros-cons-card.cons { background: linear-gradient(180deg, #fff7f3 0%, #fff 100%); }

.faq-list {
  display: grid;
  gap: 14px;
}
.faq-item {
  padding: 0 22px;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  font-weight: 800;
  position: relative;
  padding-right: 28px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 18px;
  font-size: 1.4rem;
  color: var(--primary);
}
.faq-item[open] summary::after { content: "–"; }
.faq-answer {
  padding-bottom: 20px;
  color: var(--muted);
}

.site-footer {
  padding: 32px 0 52px;
  border-top: 1px solid rgba(219, 229, 241, 0.9);
  margin-top: 30px;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}
.footer-grid p { max-width: 58ch; color: var(--muted); }
.footer-grid div:last-child {
  display: grid;
  gap: 10px;
  font-weight: 700;
}

.lightbox {
  width: min(96vw, 1180px);
  border: 0;
  padding: 0;
  background: transparent;
}
.lightbox::backdrop {
  background: rgba(9, 18, 31, 0.82);
  backdrop-filter: blur(5px);
}
.lightbox-backdrop {
  position: relative;
  margin: 0;
}
.lightbox img {
  width: 100%;
  max-height: 88vh;
  object-fit: contain;
  background: #fff;
  border-radius: 18px;
}
.lightbox-close {
  position: absolute;
  right: 12px;
  top: 12px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: rgba(17, 29, 48, .86);
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .content-layout {
    grid-template-columns: 1fr;
  }
  .sticky-card {
    position: static;
  }
  .rating-grid,
  .feature-grid,
  .security-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .gallery-three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 880px) {
  .hero-grid,
  .split-block,
  .split-block.reverse,
  .notice-grid,
  .pros-cons-grid,
  .gallery-two,
  .gallery-three {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    display: none;
  }
  .hero-points,
  .token-groups,
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .review-card h3 { min-height: 0; }
}

@media (max-width: 760px) {
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 10px);
    display: grid;
    gap: 6px;
    padding: 12px;
    background: rgba(255,255,255,.98);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: .18s ease;
  }
  .main-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .main-nav a {
    padding: 10px 12px;
    border-radius: 12px;
  }
  .main-nav a:hover,
  .main-nav a:focus-visible { background: var(--surface-2); }
  .rating-grid,
  .feature-grid,
  .security-grid {
    grid-template-columns: 1fr;
  }
  .timeline-item {
    grid-template-columns: 1fr;
  }
  .timeline-step {
    width: 42px;
    height: 42px;
  }
  .footer-grid {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .section { padding: 34px 0; }
  .container {
    width: min(calc(100% - 20px), var(--container));
  }
  .device-card,
  .media-card,
  .notice-card,
  .rating-card,
  .feature-card,
  .notice-item,
  .security-card,
  .review-card,
  .pros-cons-card,
  .verdict-card,
  .sidebar-card,
  .toc-card {
    border-radius: 20px;
  }
  .rating-card,
  .feature-card,
  .notice-item,
  .security-card,
  .review-card,
  .pros-cons-card,
  .verdict-card,
  .sidebar-card,
  .notice-card,
  .toc-card {
    padding: 20px;
  }
  .button { width: 100%; }
}