:root {
  --bg: #0f1117;
  --bg-soft: #151922;
  --card: #1b202b;
  --text: #eef2f7;
  --muted: #a8b0c0;
  --line: #2a3140;
  --accent: #3ddc84;
  --accent-soft: #2ab56a;
  --neon: 61, 220, 132;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 80% -20%, rgba(var(--neon), 0.16), transparent 35%), var(--bg);
  scroll-behavior: smooth;
  font-feature-settings: "cv02" 1, "cv03" 1, "ss01" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--text);
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: -1;
  mask-image: radial-gradient(circle at 30% 20%, black 10%, transparent 70%);
}

.header-wrap {
  position: sticky;
  top: 14px;
  z-index: 10;
}

.header {
  margin-top: 10px;
  min-height: 68px;
  padding: 10px 14px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.01)),
    rgba(16, 20, 29, 0.86);
  backdrop-filter: blur(12px) saturate(130%);
  box-shadow:
    0 12px 26px rgba(0, 0, 0, 0.34),
    inset 0 0 0 1px rgba(var(--neon), 0.06);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.1px;
}

.logo-title {
  font-size: 1rem;
  font-weight: 700;
}

.logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(var(--neon), 0.9);
}

.nav {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.nav a {
  color: #c0c7d4;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 10px 12px;
  border-radius: 10px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.header-cta {
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(var(--neon), 0.34);
  background: linear-gradient(140deg, rgba(var(--neon), 0.2), rgba(var(--neon), 0.05));
  color: #dfffe9;
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.header-cta:hover {
  transform: translateY(-1px);
  border-color: rgba(var(--neon), 0.58);
  box-shadow: 0 8px 18px rgba(var(--neon), 0.18);
}

.hero {
  padding: 96px 0 56px;
}

.hero-tag {
  color: var(--accent);
  margin: 0 0 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.1;
}

.hero-sub {
  color: var(--muted);
  max-width: 700px;
  margin-top: 18px;
  font-size: 1.08rem;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 12px 18px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent-soft), var(--accent));
  color: #08130d;
  box-shadow: 0 8px 30px rgba(var(--neon), 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(var(--neon), 0.32);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--muted);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: #3c4455;
}

.section {
  padding: 52px 0;
}

h2 {
  margin: 0 0 20px;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card,
.price-card,
.payments,
.step {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent), var(--card);
  border-radius: 16px;
}

.card {
  padding: 20px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  border-color: rgba(var(--neon), 0.45);
}

.card h3 {
  margin-top: 0;
}

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

#pricing {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.price-card {
  padding: 24px;
}

.price-label {
  color: var(--muted);
  margin: 0;
}

.price-value {
  margin: 8px 0 16px;
  font-size: clamp(1.9rem, 5vw, 3rem);
  font-weight: 800;
}

.price-value span {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 500;
}

.price-card ul {
  margin: 0 0 22px;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 7px;
}

.payments {
  padding: 20px;
}

.payments h3 {
  margin-top: 0;
}

.payments p {
  color: var(--muted);
}

.pay-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  align-items: center;
}

.pay-icon svg {
  display: block;
}

.activation-time {
  color: var(--muted);
  margin: 14px 0 18px;
  line-height: 1.5;
}

.form-card {
  padding: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent), var(--bg-soft);
  border-radius: 16px;
}

.form-card h3 {
  margin: 0 0 10px;
}

.field {
  display: block;
  margin: 12px 0;
}

.field span {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 12px;
  background: rgba(0, 0, 0, 0.18);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus {
  border-color: rgba(var(--neon), 0.55);
  box-shadow: 0 0 0 3px rgba(var(--neon), 0.12);
}

.btn-form {
  width: 100%;
  margin-top: 8px;
}

.form-result {
  margin-top: 12px;
  min-height: 20px;
  color: var(--muted);
  white-space: pre-wrap;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.step {
  padding: 16px;
  color: var(--muted);
}

.step span {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--neon), 0.15);
  color: var(--accent);
  margin-right: 10px;
  font-weight: 700;
}

.muted {
  color: var(--muted);
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 46px;
  padding: 18px 0 34px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: var(--muted);
}

.footer-top {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 16px;
}

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

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

.footer-meta p {
  margin: 0;
  line-height: 1.6;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.legal-page {
  padding: 56px 0 64px;
}

.legal-card {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-radius: 16px;
  padding: 24px;
}

.legal-card p,
.legal-card li {
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .header {
    grid-template-columns: 1fr auto;
    padding: 10px 12px;
  }

  .nav {
    display: none;
  }

  .header-wrap {
    top: 10px;
  }

  .header-cta {
    font-size: 0.84rem;
    padding: 9px 12px;
  }

  .cards,
  .steps,
  #pricing {
    grid-template-columns: 1fr;
  }

  #pricing .price-card,
  #pricing .payments {
    padding: 18px;
  }

  .hero {
    padding-top: 72px;
  }
}