:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-accent: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #64748b;
  --border-color: #e2e8f0;
  --accent-color: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-surface: #eff6ff;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1140px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -999px;
  left: 1rem;
  background: var(--text-main);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-main);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.75rem;
  text-transform: uppercase;
  background: var(--bg-accent);
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a:hover, .site-nav a.active {
  color: var(--text-main);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 4.5rem 0 3.5rem;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border-color);
}

.hero-content {
  max-width: 800px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-surface);
  color: var(--accent-color);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(37, 99, 235, 0.15);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  font-weight: 800;
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.65rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  text-decoration: none;
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  text-decoration: none;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-secondary {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  font-size: 1.85rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 650px;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

/* Facts Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}

.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Offer Card */
.offer-box {
  background: var(--bg-primary);
  border: 2px solid var(--accent-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-top: 2rem;
  box-shadow: var(--shadow-md);
}

.offer-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.price-tag {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.price-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.features-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: var(--text-main);
  font-size: 0.95rem;
}

.features-list li svg {
  flex-shrink: 0;
  margin-top: 0.2rem;
  color: var(--accent-color);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

details {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: border-color 0.15s ease;
}

details[open] {
  border-color: var(--accent-color);
}

summary {
  font-weight: 600;
  cursor: pointer;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  font-size: 1.4rem;
  line-height: 1;
  color: var(--text-muted);
}

details[open] summary::after {
  content: "\2212";
}

details p {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Notice / Callout */
.callout {
  background: var(--bg-accent);
  border-left: 4px solid var(--accent-color);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0;
}

.callout p {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 0.35rem;
}

.callout p:last-child {
  margin-bottom: 0;
}

/* Contact box */
.contact-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.contact-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 1.75rem;
  border-radius: var(--radius-md);
}

.contact-card h4 {
  font-size: 1rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.contact-card p, .contact-card a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  word-break: break-word;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: var(--text-main);
  color: #e2e8f0;
  padding: 3.5rem 0 2rem;
  font-size: 0.9rem;
}

.site-footer a {
  color: #93c5fd;
}

.site-footer a:hover {
  color: #ffffff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid #334155;
  padding-bottom: 2.5rem;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-col p {
  color: #94a3b8;
  line-height: 1.55;
  font-size: 0.875rem;
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: #94a3b8;
  font-size: 0.825rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
  padding: 1.25rem;
  z-index: 9999;
  display: none;
}

.cookie-banner.active {
  display: block;
}

.cookie-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-banner-text {
  flex: 1 1 500px;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.cookie-banner-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 4.5rem;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    box-shadow: var(--shadow-md);
  }

  .site-nav.active {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}