*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #1a1a2e;
  background-color: #f7f8fc;
}

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

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-secondary: #10b981;
  --color-secondary-dark: #059669;
  --color-accent: #f59e0b;
  --color-bg: #f7f8fc;
  --color-white: #ffffff;
  --color-text: #1a1a2e;
  --color-text-light: #6b7280;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-gold: #f59e0b;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --max-width: 1100px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 5rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.site-header {
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.75rem 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-logo img {
  width: 40px;
  height: 40px;
}

.header-logo span {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
}

.header-rating {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.header-rating .stars {
  color: var(--color-gold);
  letter-spacing: 1px;
}

/* Footer */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.7);
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  margin-top: var(--spacing-2xl);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s ease;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-success {
  background: var(--color-secondary);
  color: #fff;
}

.btn-success:hover {
  background: var(--color-secondary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

/* Cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
}

/* Trust badge */
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #ecfdf5;
  color: var(--color-secondary);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

/* Section headings */
.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
  font-size: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .section-title {
    font-size: 1.4rem;
  }

  .btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
    width: 100%;
  }
}