:root {
  color-scheme: light;
  --ink: #0f172a;
  --muted: #475569;
  --accent: #f97316;
  --accent-dark: #c2410c;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  background: radial-gradient(circle at top, #fff7ed, #f8fafc 50%, #e2e8f0);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 10vw;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
}

.content {
  flex: 1;
  padding: 40px 10vw 60px;
}

.site-footer {
  padding: 16px 10vw 30px;
  color: var(--muted);
  font-size: 0.85rem;
}

.hero {
  background: var(--card);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 32px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: 2.2rem;
}

.hero p {
  margin: 0 0 24px;
  color: var(--muted);
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.button:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.button.ghost {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid var(--accent-dark);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card,
.product-card,
.login-card,
.detail-card,
.challenge-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.page-header {
  margin-bottom: 24px;
}

.page-header h1 {
  margin: 0 0 8px;
}

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

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.price {
  font-weight: 600;
  color: var(--accent-dark);
}

.login-card {
  max-width: 420px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  font-weight: 600;
}

.field input {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 0.95rem;
}

.recaptcha-box {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0 24px;
  background: #f1f5f9;
}

.recaptcha-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.recaptcha-brand {
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--muted);
}

.note {
  color: var(--muted);
  font-style: italic;
}

.ig-profile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.ig-header {
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 22px;
  margin-bottom: 20px;
}

.ig-avatar {
  width: 104px;
  height: 104px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 25%, #fde68a, #fb923c 42%, #ea580c 68%, #0f172a);
  border: 3px solid #fff;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.22);
}

.ig-meta {
  min-width: 0;
}

.ig-username {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.ig-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.ig-bio p {
  margin: 0 0 6px;
}

.ig-actions {
  margin-top: 14px;
  display: flex;
  gap: 10px;
}

.ig-highlights {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 8px 0 18px;
}

.ig-highlight {
  min-width: 74px;
  min-height: 74px;
  border-radius: 999px;
  border: 2px solid #f97316;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
  background: #fff7ed;
}

.ig-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.ig-card {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #f8fafc;
}

.ig-card img {
  width: 100%;
  display: block;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
}

.ig-card figcaption {
  padding: 10px 12px;
  font-size: 0.84rem;
  color: var(--muted);
}

@media (max-width: 720px) {
  .site-header,
  .content,
  .site-footer {
    padding-left: 6vw;
    padding-right: 6vw;
  }
  .hero {
    padding: 28px;
  }
  .ig-header {
    grid-template-columns: 1fr;
  }
  .ig-avatar {
    width: 88px;
    height: 88px;
  }
  .ig-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}