/* Design tokens + global polish */
@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap");

:root {
  --font-sans: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --color-primary: #0d6eaa;
  --color-primary-dark: #084a73;
  --color-primary-light: #e8f4fc;
  --color-accent: #18a999;
  --color-text: #152535;
  --color-text-muted: #5f7385;
  --color-bg: #f3f8fc;
  --color-surface: #ffffff;
  --color-border: #d8e6f0;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 10px rgba(13, 55, 90, 0.06);
  --shadow-md: 0 10px 30px rgba(13, 55, 90, 0.08);
  --shadow-lg: 0 18px 45px rgba(13, 55, 90, 0.12);

  --transition: 0.22s ease;
}

html {
  scroll-behavior: smooth;
}

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

::selection {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.page-hero {
  background: linear-gradient(135deg, #0d6eaa 0%, #18a999 100%);
  color: #fff;
  padding: 3.5rem 0;
  margin-bottom: 2rem;
}

.page-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  opacity: 0.92;
  font-size: 1.05rem;
  max-width: 640px;
}

.breadcrumbs {
  padding: 1rem 0 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.section-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.feature-card,
.product-card,
.auth-card,
.card {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover,
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1296b8 100%);
  box-shadow: 0 4px 14px rgba(13, 110, 170, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.header {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--color-border);
}

.hero {
  background: linear-gradient(160deg, #e8f4fc 0%, #f3f8fc 45%, #ffffff 100%);
}

.hero-title {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.footer {
  background: linear-gradient(180deg, #0f2940 0%, #152535 100%);
}

.footer a:hover {
  color: #7dd3fc;
}

.info-tabs {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1.5rem 0 2rem;
}

.info-tab {
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.info-tab:hover,
.info-tab.active {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}