@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap');

:root {
  --bg: #080a0f;
  --bg-alt: #0c1016;
  --surface: #11151d;
  --surface-alt: #151b24;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e7edf5;
  --text-muted: #9aa8bb;
  --brand: #7dd3fc;
  --brand-strong: #38bdf8;
  --accent: #a78bfa;
  --success: #34d399;
  --warning: #fbbf24;
  --alias: #60a5fa;
  --danger: #fb7185;
  --shadow: 0 18px 42px rgba(3, 6, 12, 0.45);
  --radius-lg: 20px;
  --radius-sm: 12px;
  --max-width: 1080px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(167, 139, 250, 0.12), transparent 45%),
    radial-gradient(circle at 20% 80%, rgba(125, 211, 252, 0.15), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Ubuntu, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

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

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

a:hover,
a:focus {
  text-decoration: underline;
}

strong {
  font-weight: 650;
}

.container {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 10, 15, 0.82);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px) saturate(140%);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.nav__brand {
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text);
}

.nav__toggle {
  display: none;
  background: rgba(125, 211, 252, 0.15);
  border: 1px solid rgba(125, 211, 252, 0.3);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  color: var(--brand);
  font-weight: 600;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-weight: 600;
}

.nav__links a {
  color: var(--text);
  opacity: 0.88;
  transition: opacity var(--transition);
}

.nav__links a:hover,
.nav__links a:focus {
  opacity: 1;
}

.hero {
  padding: 6rem 0 4rem;
  text-align: center;
}

.hero__eyebrow {
  margin: 0 auto 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(167, 139, 250, 0.16);
  border: 1px solid rgba(167, 139, 250, 0.35);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero__title {
  margin: 1rem auto 1rem;
  font-size: clamp(2rem, 4.2vw, 3.6rem);
  line-height: 1.15;
}

.hero__subtitle {
  margin: 0 auto 2.5rem;
  max-width: 640px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.button--primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #06202b;
  box-shadow: var(--shadow);
}

.button--secondary {
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.button:hover,
.button:focus {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.section {
  padding: 4.5rem 0;
}

.section--alt {
  background: var(--bg-alt);
}

.section__content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.section__header {
  display: grid;
  gap: 1rem;
}

.section h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.section__lead {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.section__note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.section__footnote {
  margin: -0.5rem 0 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.card {
  background: linear-gradient(145deg, var(--surface), var(--surface-alt));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.8rem;
  display: grid;
}

.card--center {
  text-align: center;
  align-items: center;
  justify-items: center;
}

.contact-card {
  gap: 2rem;
}

.grid {
  display: grid;
  gap: 1.2rem;
}

.grid--three {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.steps {
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.2rem;
}

.steps li {
  list-style: none;
  position: relative;
  padding-left: 3.2rem;
  min-height: 2.5rem;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.2rem;
  height: 2.2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(167, 139, 250, 0.18);
  border: 1px solid rgba(167, 139, 250, 0.35);
  color: var(--accent);
  font-weight: 700;
}

.list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.75rem;
  color: var(--text-muted);
}

.list li::marker {
  color: rgba(125, 211, 252, 0.6);
}

.split {
  display: grid;
  gap: 1.2rem;
}

.form {
  display: grid;
  gap: 1.5rem;
}

.form__grid {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.form__group--full {
  grid-column: 1 / -1;
}

.form__label {
  font-weight: 650;
  font-size: 0.95rem;
}

.form__input,
.form__textarea {
  font: inherit;
  color: var(--text);
  background: rgba(8, 12, 18, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: rgba(154, 168, 187, 0.7);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: rgba(125, 211, 252, 0.65);
  box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.25);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

.form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.form__status {
  min-height: 1.2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form__status--success {
  color: var(--success);
}

.form__status--error {
  color: var(--danger);
}

.kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

.highlight {
  color: var(--brand);
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.badge--active {
  background: rgba(52, 211, 153, 0.15);
  border: 1px solid rgba(52, 211, 153, 0.3);
  color: var(--success);
}

.badge--alias {
  background: rgba(96, 165, 250, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.3);
  color: var(--alias);
}

.badge--pending, .badge--reserved {
  background: rgba(251, 191, 36, 0.15);
  border: 1px solid rgba(251, 191, 36, 0.3);
  color: var(--warning);
}

.sub-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.sub-card p {
  margin: 0;
}

.link {
  font-weight: 600;
}

.site-footer {
  padding: 3rem 0 4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  background: rgba(8, 10, 15, 0.95);
  border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .hero {
    padding-top: 5rem;
  }

  .section {
    padding: 3.5rem 0;
  }
}

@media (max-width: 720px) {
  .nav__links {
    position: absolute;
    inset: 72px 1.5rem auto;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background: rgba(11, 15, 21, 0.97);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform-origin: top right;
    transform: scale(0.95);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition);
  }

  .nav__links.is-open {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
  }

  .nav__toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
  }

  .split {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 760px) {
  .split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}