:root {
  --bg: #f6f8fc;
  --surface: #ffffff;
  --surface-alt: #eef1f8;
  --text: #172033;
  --muted: #5a6478;
  --accent: #ff0000;
  --accent-dark: #cc0000;
  --line: #d8deea;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(20, 32, 60, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Nunito Sans", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, #ffffff, transparent 36%),
    radial-gradient(circle at 82% 0%, #e8edf9, transparent 40%),
    var(--bg);
}

a {
  color: inherit;
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(246, 248, 252, 0.9);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 70px;
  gap: 20px;
}

.brand {
  font-size: 1.1rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0.03em;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--text);
}

.hero {
  padding: 70px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: start;
}

.eyebrow {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

h1 {
  margin: 10px 0 14px;
  line-height: 1.12;
  font-size: clamp(1.9rem, 3.5vw, 3rem);
}

.lead {
  margin: 0;
  max-width: 58ch;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: 10px 16px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  transition: all 0.18s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-dark);
}

.btn-secondary {
  background: var(--surface);
  border-color: var(--line);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: #bac3d8;
  background: #f3f6fd;
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
}

.hero-card h2 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.hero-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.section {
  padding: 42px 0;
}

.section-alt {
  background: var(--surface-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
}

.section-intro {
  margin-top: 0;
  color: var(--muted);
}

.feature-grid,
.store-grid,
.shot-grid {
  display: grid;
  gap: 16px;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 8px;
}

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

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

.store-link {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  transition: transform 0.18s ease;
  text-decoration: none;
}

.store-link:hover,
.store-link:focus-visible {
  transform: translateY(-2px);
}

.store-link img {
  display: block;
  width: 48px;
  min-width: 48px;
  height: 48px;
}

.store-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.store-copy strong {
  font-size: 1rem;
}

.store-copy small {
  margin-top: 3px;
  color: var(--muted);
}

.shot img {
  display: block;
  width: 100%;
  height: auto;
}

.shot figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.faq-list p {
  margin: 8px 0 0;
  color: var(--muted);
}

.site-footer {
  padding: 22px 0 34px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-row p {
  margin: 0;
  color: var(--muted);
}

.footer-row a {
  font-weight: 700;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .store-grid,
  .shot-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 10px 0;
  }

  .nav-list {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    padding-top: 44px;
  }
}
