:root {
  --bg: #0b1020;
  --bg-soft: #121a30;
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.1);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --soft: #94a3b8;
  --primary: #5eead4;
  --primary-dark: #14b8a6;
  --accent: #60a5fa;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(96, 165, 250, 0.18), transparent 30%),
    radial-gradient(circle at 80% 20%, rgba(94, 234, 212, 0.16), transparent 28%),
    linear-gradient(180deg, #0a0f1d 0%, #0f172a 45%, #0b1020 100%);
  line-height: 1.6;
}

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

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

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(10, 15, 29, 0.72);
  border-bottom: 1px solid var(--line);
}

.header-row {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-size: 15px;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--primary);
}

.hero {
  padding: 82px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
}

.badge {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(94, 234, 212, 0.12);
  border: 1px solid rgba(94, 234, 212, 0.25);
  color: var(--primary);
  font-size: 14px;
  margin-bottom: 22px;
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.04;
  max-width: 760px;
}

.hero-text {
  margin: 0 0 28px;
  font-size: 18px;
  color: var(--muted);
  max-width: 640px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border-radius: 14px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #67e8f9 100%);
  color: #06202a;
  box-shadow: 0 14px 30px rgba(94, 234, 212, 0.22);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #7af0dd 0%, #7dd3fc 100%);
}

.btn-secondary,
.btn-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.btn-secondary:hover,
.btn-card:hover {
  border-color: rgba(94, 234, 212, 0.35);
  background: rgba(255, 255, 255, 0.07);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-points li {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--muted);
  font-size: 14px;
}

.hero-card {
  border-radius: 24px;
  padding: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow);
}

.hero-card-top {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
}

.hero-panel {
  display: grid;
  gap: 14px;
}

.panel-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px;
  border-radius: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
}

.panel-label {
  color: var(--soft);
}

.panel-value {
  color: var(--text);
  font-weight: 700;
  text-align: right;
}

.panel-value.online {
  color: var(--primary);
}

.section {
  padding: 54px 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.section-head {
  margin-bottom: 26px;
}

.section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 42px);
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 700px;
}

.cards,
.steps-grid,
.faq-list {
  display: grid;
  gap: 20px;
}

.cards {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.cards.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.step-card,
.faq-item,
.cta-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card,
.step-card,
.faq-item {
  padding: 24px;
}

.card h3,
.step-card h3,
.faq-item h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.card p,
.step-card p,
.faq-item p {
  margin: 0 0 18px;
  color: var(--muted);
}

.steps-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step-number {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  background: rgba(96, 165, 250, 0.16);
  color: #bfdbfe;
  font-weight: 800;
}

.faq-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cta-section {
  padding-top: 24px;
  padding-bottom: 70px;
}

.cta-box {
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.cta-box h2 {
  margin: 0 0 10px;
  font-size: 30px;
}

.cta-box p {
  margin: 0;
  color: var(--muted);
  max-width: 620px;
}

.footer {
  border-top: 1px solid var(--line);
  background: rgba(8, 12, 24, 0.75);
}

.footer-row {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--soft);
}

.footer-row a {
  color: var(--primary);
}

@media (max-width: 1100px) {
  .hero-grid,
  .cards,
  .steps-grid,
  .faq-list,
  .cards.two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 720px) {
  .header-row,
  .cta-box,
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 44px;
  }

  .hero-grid,
  .cards,
  .steps-grid,
  .faq-list,
  .cards.two-col {
    grid-template-columns: 1fr;
  }

  .nav {
    gap: 14px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-text {
    font-size: 16px;
  }

  .btn {
    width: 100%;
  }

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