:root {
  --gc-bg: #ffffff;
  --gc-bg-muted: #f5f5f7;
  --gc-border: #e2e2e7;
  --gc-text: #111111;
  --gc-text-muted: #555555;
  --gc-accent: #2563eb;
  --gc-accent-soft: #dbeafe;
  --gc-radius: 12px;
  --gc-radius-lg: 18px;
  --gc-shadow-soft: 0 12px 30px rgba(15, 23, 42, 0.08);
  --gc-font: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
             "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--gc-font);
  background: var(--gc-bg);
  color: var(--gc-text);
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.gc-container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

.gc-section {
  padding: 64px 0;
}

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

.gc-section-header {
  text-align: center;
  margin-bottom: 32px;
}

.gc-section-header h2 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.gc-section-header p {
  color: var(--gc-text-muted);
}

/* Header */
.gc-header {
  border-bottom: 1px solid var(--gc-border);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.gc-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.gc-logo span {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  color: var(--gc-text);
  text-decoration: none;
}

.gc-logo {
  text-decoration: none;
}

/* Nav */
.gc-nav a {
  margin-left: 20px;
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--gc-text-muted);
}

.gc-nav a:hover {
  color: var(--gc-text);
}

/* Hero */
.gc-hero {
  padding: 56px 0 40px;
}

.gc-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
  gap: 32px;
  align-items: center;
}

.gc-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(255, 255, 255, 0.7);
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--gc-text-muted);
}

.gc-hero-kicker span {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #22c55e;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.gc-hero-text h1 {
  font-size: 2.4rem;
  margin-bottom: 12px;
}

.gc-hero-text p {
  font-size: 1rem;
  color: var(--gc-text-muted);
  max-width: 480px;
  margin-bottom: 24px;
}

.gc-hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.gc-hero-subtext {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--gc-text-muted);
}

.gc-hero-card {
  background: #ffffff;
  border-radius: var(--gc-radius-lg);
  border: 1px solid var(--gc-border);
  box-shadow: var(--gc-shadow-soft);
  padding: 24px;
}

.gc-hero-card h2 {
  margin-top: 0;
  margin-bottom: 8px;
}

.gc-hero-card p {
  font-size: 0.9rem;
  color: var(--gc-text-muted);
}

/* Buttons */
.gc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.gc-btn-primary {
  background: var(--gc-accent);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.25);
}

.gc-btn-primary:hover {
  background: #1d4ed8;
}

.gc-btn-ghost {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.6);
  color: var(--gc-text-muted);
}

.gc-btn-ghost:hover {
  border-color: var(--gc-accent);
  color: var(--gc-accent);
}

/* Cards */
.gc-card {
  background: #ffffff;
  border-radius: var(--gc-radius);
  border: 1px solid var(--gc-border);
  padding: 20px;
  transition: box-shadow 150ms ease, transform 120ms ease;
}

.gc-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.1);
}

.gc-product-card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.gc-product-tag {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gc-text-muted);
  margin-bottom: 10px;
}

.gc-product-desc {
  font-size: 0.9rem;
  color: var(--gc-text-muted);
  margin-bottom: 12px;
}

.gc-product-price {
  font-weight: 600;
  margin-bottom: 12px;
}

.gc-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--gc-accent-soft);
  color: var(--gc-accent);
  font-size: 0.8rem;
}

/* Grid */
.gc-grid {
  display: grid;
  gap: 20px;
}

.gc-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

/* Footer */
.gc-footer {
  border-top: 1px solid var(--gc-border);
  padding: 16px 0 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--gc-text-muted);
}

.gc-footer-links a {
  margin-left: 14px;
  color: var(--gc-text-muted);
  text-decoration: none;
}

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

/* Page layout (product, legal, etc) */
.gc-page {
  padding: 56px 0;
}

.gc-page-header h1 {
  margin-bottom: 10px;
}

.gc-prose p {
  color: var(--gc-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 900px) {
  .gc-hero-inner {
    grid-template-columns: 1fr;
  }
  .gc-grid-3 {
    grid-template-columns: 1fr;
  }
  .gc-grid-2 {
    grid-template-columns: 1fr;
  }
}