:root {
  --amazon-navy: #131a22;
  --amazon-dark: #232f3e;
  --amazon-orange: #ff9900;
  --amazon-light: #f3f5f7;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --border-color: #e5e7eb;
  --container-width: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-primary);
  background: #fff;
  line-height: 1.6;
}

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

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

.container {
  width: min(100% - 2rem, var(--container-width));
  margin: 0 auto;
}

.site-header {
  background: var(--amazon-navy);
  color: #fff;
  border-bottom: 3px solid var(--amazon-orange);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand img {
  width: 40px;
  height: 40px;
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  color: #fff;
  border-radius: 8px;
  padding: 0.4rem 0.65rem;
  font-size: 1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-nav a {
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: #fff;
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(255, 153, 0, 0.15);
  color: #ffd18a;
}

.hero {
  background: linear-gradient(135deg, var(--amazon-dark), #1f2937);
  color: #fff;
  padding: 5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  margin: 0 0 1rem;
  line-height: 1.2;
  font-size: clamp(1.9rem, 3.8vw, 3rem);
}

.hero p {
  margin: 0 0 1.5rem;
  color: #dbe4ef;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-block;
  padding: 0.75rem 1.1rem;
  border-radius: 10px;
  font-weight: 600;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--amazon-orange);
  color: #111;
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.section {
  padding: 4rem 0;
}

.section-muted {
  background: var(--amazon-light);
}

.section h2 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: clamp(1.45rem, 2.3vw, 2rem);
}

.section-intro {
  margin-top: 0;
  color: var(--text-secondary);
}

.grid-3 {
  margin-top: 1.7rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.1rem;
}

.card-icon {
  width: 32px;
  height: 32px;
  margin-bottom: 0.55rem;
}

.card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--text-secondary);
}

.page-head {
  background: var(--amazon-dark);
  color: #fff;
  padding: 3rem 0;
}

.page-head h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.page-head p {
  margin: 0.75rem 0 0;
  color: #dbe4ef;
}

.content {
  padding: 3rem 0 4rem;
}

.content article {
  max-width: 860px;
}

.content h2 {
  margin-top: 2rem;
  margin-bottom: 0.6rem;
  font-size: 1.35rem;
}

.content p,
.content li {
  color: var(--text-secondary);
}

.content ul {
  padding-left: 1.2rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.contact-item {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  background: #fff;
}

.contact-item strong {
  display: block;
  margin-bottom: 0.35rem;
}

.contact-item a {
  color: #0a58ca;
  word-break: break-all;
}

.site-footer {
  background: var(--amazon-navy);
  color: #dbe4ef;
  padding: 1.8rem 0;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: #dbe4ef;
}

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

@media (max-width: 920px) {
  .hero-grid,
  .grid-3,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--amazon-dark);
    border-bottom: 2px solid var(--amazon-orange);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem;
    gap: 0.35rem;
  }

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

  .site-nav a {
    border-radius: 10px;
  }
}