:root {
  --bg: #0b1020;
  --bg-soft: #121936;
  --card: rgba(17, 24, 39, 0.78);
  --card-solid: #111827;
  --text: #f8fafc;
  --muted: #cbd5e1;
  --line: rgba(148, 163, 184, 0.24);
  --accent: #f59e0b;
  --accent-2: #7c3aed;
  --shadow: 0 20px 60px rgba(2, 6, 23, 0.35);
  --container: 1160px;
}

* {
  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(124, 58, 237, 0.2), transparent 28%),
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.16), transparent 24%),
    linear-gradient(180deg, #0b1020 0%, #0f172a 100%);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(11, 16, 32, 0.72);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 14px;
}

.header-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.header-nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

.hero,
.features,
.examples,
.cta-band,
.faq,
.contacts {
  padding: 88px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 28px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(40px, 7vw, 40px);
  
}

.hero-text,
.contact-text,
.section-head + p,
.feature-card p,
.example-card p,
.faq-list p,
.footer-note {
  color: var(--muted);
}

.hero-text {
  margin: 20px 0 28px;
  max-width: 60ch;
  font-size: 18px;
}

.hero-actions,
.contact-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn-icon,
.inline-icon {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  flex: 0 0 auto;
  margin-right: 6px;
}

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

.btn.primary {
  background: linear-gradient(135deg, var(--accent) 0%, #fb7185 100%);
  color: #111827;
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--line);
  color: var(--text);
}

.hero-points {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.hero-points li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

.hero-card,
.feature-card,
.example-card,
.contact-card,
.faq-list details,
.site-footer {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-card,
.contact-card,
.site-footer {
  border-radius: 28px;
}

.hero-card {
  padding: 28px;
  display: grid;
  gap: 16px;
}

.hero-stat {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.hero-stat strong {
  display: inline-flex;
  align-items: center;
  font-size: 24px;
  margin-bottom: 6px;
}

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

.section-head h2 {
  font-size: clamp(28px, 4vw, 46px);
}

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

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

.feature-card,
.example-card {
  border-radius: 24px;
  padding: 24px;
}

.feature-card h3,
.example-card h3,
.site-footer h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.example-images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.example-images figure {
  margin: 0;
  overflow: hidden;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.example-images img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.example-images figcaption {
  padding: 10px 12px;
  font-size: 14px;
  color: var(--muted);
}

.cta-band {
  padding-top: 0;
}

.cta-band-inner {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.35), rgba(245, 158, 11, 0.28));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.faq {
  padding-top: 0;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  border-radius: 20px;
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

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

.faq-list p {
  margin: 12px 0 0;
}

.contacts {
  padding-top: 0;
}

.contact-card {
  padding: 28px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.site-footer {
  margin: 0 auto 32px;
  padding: 28px;
}

.return-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 0;
}

.return-card {
  width: min(720px, calc(100% - 32px));
  padding: 32px;
  border-radius: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  text-align: center;
}

.return-brand {
  justify-content: center;
  margin-bottom: 28px;
}

.return-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.12);
  color: #fde68a;
  font-weight: 800;
}

.return-card h1 {
  margin-bottom: 14px;
}

.return-card p {
  margin: 0 auto 16px;
  max-width: 42ch;
  color: var(--muted);
  font-size: 18px;
}

.return-loader {
  width: 72px;
  height: 72px;
  margin: 26px auto;
  border-radius: 999px;
  border: 4px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--accent);
  animation: spin 0.85s linear infinite;
}

.return-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.return-note {
  font-size: 14px;
  color: var(--muted);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
}

.footer-brand {
  margin-bottom: 12px;
}

.footer-links {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  text-decoration: none;
}

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

@media (max-width: 980px) {
  .hero-grid,
  .feature-grid,
  .example-grid,
  .footer-grid,
  .contact-card,
  .cta-band-inner {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .hero,
  .features,
  .examples,
  .faq,
  .contacts {
    padding: 64px 0;
  }

  .header-inner {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .header-nav {
    gap: 14px;
  }

  .hero-card,
  .feature-card,
  .example-card,
  .contact-card,
  .site-footer,
  .cta-band-inner,
  .return-card {
    padding: 20px;
  }
}