:root {
  --bg: #071018;
  --bg-soft: #0d1823;
  --surface: rgba(13, 24, 35, 0.78);
  --surface-strong: #101c29;
  --card: rgba(17, 29, 43, 0.9);
  --line: rgba(255, 255, 255, 0.08);
  --text: #eef4fb;
  --muted: #a8bbcf;
  --accent: #00e08a;
  --accent-2: #18baff;
  --accent-3: #ffc857;
  --danger: #ff6c7f;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(24, 186, 255, 0.12), transparent 30%),
    radial-gradient(circle at top right, rgba(0, 224, 138, 0.14), transparent 26%),
    linear-gradient(180deg, #071018 0%, #08131c 35%, #09131b 100%);
  color: var(--text);
  line-height: 1.65;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-shell {
  overflow: hidden;
}

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(7, 16, 24, 0.72);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-grid;
  place-items: center;
  color: #071018;
  background: linear-gradient(135deg, var(--accent) 0%, #6bf2bf 100%);
  box-shadow: 0 10px 24px rgba(0, 224, 138, 0.3);
}

.logo-text {
  font-size: 1.02rem;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.main-nav a {
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.95rem;
  transition: 0.25s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

.hero {
  padding: 78px 0 30px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid rgba(0, 224, 138, 0.2);
  border-radius: 999px;
  color: #8cebc2;
  background: rgba(0, 224, 138, 0.08);
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}

.hero h1,
.section-head h2,
.text-card h2,
.final-box h2 {
  margin: 0 0 18px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero h1 {
  font-size: clamp(2.3rem, 5vw, 4.3rem);
  max-width: 12ch;
}

.hero-lead,
.section-head p,
.text-card p,
.final-box p,
.footer-brand p,
.alert-card p,
.info-card p,
.promo-box p,
.register-note p,
.register-step p,
.faq-item p {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.button-primary {
  color: #071018;
  background: linear-gradient(135deg, var(--accent) 0%, #7cf2c5 100%);
  box-shadow: 0 18px 36px rgba(0, 224, 138, 0.18);
}

.button-secondary {
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding: 14px 16px 14px 40px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
}

.hero-points li::before {
  content: "";
  position: absolute;
  inset: 18px auto auto 16px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
}

.hero-visual {
  position: relative;
  padding: 26px;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)),
    rgba(10, 19, 29, 0.8);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
}

.trust-strip {
  padding: 16px 0 20px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.trust-card,
.info-card,
.side-card,
.media-card,
.text-card,
.promo-box,
.register-note,
.faq-item,
.alert-card,
.final-box {
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
}

.trust-card {
  border-radius: 18px;
  padding: 20px;
}

.trust-label {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 8px;
}

.section {
  padding: 54px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255,255,255,0.015), rgba(255,255,255,0.03));
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-head h2,
.text-card h2,
.final-box h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 24px;
  align-items: start;
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.feature-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.feature-table th,
.feature-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.feature-table th {
  font-size: 0.95rem;
  color: #dff4ee;
  background: rgba(255,255,255,0.04);
}

.feature-table tr:last-child td {
  border-bottom: 0;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.info-card {
  padding: 24px;
  border-radius: var(--radius-md);
}

.info-card h3,
.side-card h3,
.promo-box h3,
.register-note h3,
.register-step h3,
.footer-links h3,
.alert-card h3 {
  margin: 0 0 12px;
  font-size: 1.12rem;
}

.side-card {
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
}

.check-list,
.cross-list,
.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.cross-list li,
.feature-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
}

.check-list li::before,
.cross-list li::before,
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.48em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.check-list li::before,
.feature-list li::before {
  background: var(--accent);
}

.cross-list li::before {
  background: var(--danger);
}

.promo-layout,
.two-col-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 28px;
  align-items: center;
}

.promo-copy {
  display: grid;
  gap: 20px;
}

.promo-box,
.text-card,
.media-card,
.register-panel,
.final-box {
  border-radius: var(--radius-lg);
}

.promo-box,
.text-card {
  padding: 28px;
}

.promo-box ul,
.step-list {
  margin: 0;
  padding-left: 20px;
}

.media-card {
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(24, 186, 255, 0.08), rgba(0, 224, 138, 0.04)),
    var(--surface-strong);
}

.reverse {
  grid-template-columns: minmax(320px, 520px) minmax(0, 1fr);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.step-list li {
  margin-bottom: 12px;
}

.register-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
}

.register-steps {
  display: grid;
  gap: 16px;
}

.register-step,
.register-note {
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 22px;
}

.register-step {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.register-step span {
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: inline-grid;
  place-items: center;
  font-weight: 800;
  color: #08131c;
  background: linear-gradient(135deg, var(--accent-3), #ffd97d);
}

.faq-grid {
  display: grid;
  gap: 16px;
}

.faq-item {
  padding: 0;
  overflow: hidden;
  border-radius: 22px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 24px;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  padding: 0 24px 22px;
  margin: 0;
}

.section-final {
  padding-top: 24px;
  padding-bottom: 64px;
}

.final-box {
  max-width: 860px;
  padding: 34px;
  background:
    radial-gradient(circle at top right, rgba(24,186,255,0.08), transparent 28%),
    radial-gradient(circle at bottom left, rgba(0,224,138,0.08), transparent 30%),
    var(--card);
}

.site-footer {
  padding: 24px 0 36px;
  border-top: 1px solid var(--line);
  background: rgba(4, 10, 16, 0.8);
}

.footer-top,
.footer-alerts,
.footer-bottom {
  display: grid;
  gap: 20px;
}

.footer-top {
  grid-template-columns: 1.2fr 0.7fr 0.9fr;
  align-items: start;
  padding-bottom: 24px;
}

.footer-links ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 10px;
}

.footer-links a {
  color: var(--muted);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--text);
  outline: none;
}

.footer-alerts {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.alert-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 22px;
  border-radius: 22px;
}

.alert-card img {
  flex: 0 0 auto;
}

.footer-bottom {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding-top: 22px;
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 1080px) {
  .hero-grid,
  .content-grid,
  .promo-layout,
  .two-col-block,
  .reverse,
  .register-panel,
  .footer-top,
  .footer-alerts,
  .cards-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
  }

  .main-nav {
    display: none;
  }

  .footer-bottom {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .hero {
    padding-top: 52px;
  }

  .container {
    width: min(var(--max), calc(100% - 22px));
  }

  .hero-points,
  .highlight-grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .feature-table {
    min-width: 560px;
  }

  .section,
  .section-final {
    padding: 44px 0;
  }

  .promo-box,
  .text-card,
  .side-card,
  .info-card,
  .register-note,
  .register-step,
  .final-box {
    padding: 22px;
  }

  .register-step {
    flex-direction: column;
  }

  .faq-item summary {
    padding: 18px 20px;
  }

  .faq-item p {
    padding: 0 20px 18px;
  }
}


.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) 320px;
  gap: 24px;
  align-items: start;
}

.sticky-card {
  position: sticky;
  top: 100px;
}

.toc-card,
.notice-card,
.metric-card {
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  border-radius: var(--radius-md);
}

.toc-card,
.notice-card {
  padding: 24px;
}

.toc-card h3,
.notice-card h3,
.metric-card h3,
.article-block h3,
.compare-card h3 {
  margin: 0 0 12px;
  font-size: 1.12rem;
}

.toc-card ul {
  margin: 0;
  padding-left: 18px;
}

.toc-card li + li {
  margin-top: 10px;
}

.toc-card a {
  color: var(--muted);
}

.toc-card a:hover,
.toc-card a:focus-visible {
  color: var(--text);
  outline: none;
}

.notice-card {
  margin-top: 20px;
  background:
    radial-gradient(circle at top right, rgba(255,200,87,0.09), transparent 32%),
    var(--card);
}

.notice-card strong,
.article-block strong,
.compare-card strong {
  color: #ffffff;
}

.article-flow {
  display: grid;
  gap: 20px;
}

.article-block,
.compare-card {
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.article-block p + p,
.compare-card p + p {
  margin-top: 16px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.metric-card {
  padding: 22px;
}

.metric-card strong {
  display: block;
  font-size: 1.7rem;
  line-height: 1.1;
  margin-bottom: 8px;
}

.metric-card p {
  margin: 0;
  color: var(--muted);
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.badge-list li {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
}

.link-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  font-weight: 700;
}

.link-chip:hover,
.link-chip:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.compare-card ul {
  margin: 0;
  padding-left: 20px;
}

.inline-note {
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid rgba(0,224,138,0.16);
  background: rgba(0,224,138,0.06);
  color: var(--muted);
}

.hero-mini {
  max-width: 62ch;
}

@media (max-width: 1080px) {
  .article-grid,
  .metric-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .sticky-card {
    position: static;
  }
}