:root {
  --sf-bg: #ffffff;
  --sf-accent: #2f7b84;
  --sf-accent-soft: #e3f0f2;
  --sf-text: #214045;
  --sf-muted: #6b8b90;
  --sf-card-bg: #ffffff;
  --sf-shadow: 0 14px 40px rgba(0,0,0,0.06);
  --sf-radius: 26px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--sf-bg);
  color: var(--sf-text);
  line-height: 1.6;
}

header {
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 24px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sf-accent);
}

main {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

/* Hero */

.hero {
  margin-top: 10px;
  background: linear-gradient(to bottom, #f7fbfc 0%, #ffffff 55%);
  border-radius: 0 0 80px 80px;
  padding: 40px 24px 60px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.04);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 4fr);
  gap: 32px;
  align-items: center;
}

.hero-kicker {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--sf-muted);
}

.hero-title {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 40px;
  margin: 10px 0 10px;
  color: var(--sf-text);
}

.hero-sub {
  font-size: 17px;
  color: var(--sf-muted);
  max-width: 420px;
}

.hero-cta-row {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-primary {
  padding: 12px 26px;
  border-radius: 999px;
  border: none;
  background: var(--sf-accent);
  color: #fff;
  font-size: 15px;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(23,84,93,0.22);
}

.btn-ghost {
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid rgba(47,123,132,0.22);
  color: var(--sf-accent);
  text-decoration: none;
  font-size: 15px;
  background: #ffffffaa;
}

.hero-image-wrap {
  position: relative;
}

.hero-image {
  width: 100%;
  border-radius: 40px;
  box-shadow: 0 18px 50px rgba(0,0,0,0.16);
}

/* Section headings */

.section {
  margin-top: 60px;
}

.section h2 {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 26px;
  margin-bottom: 10px;
}

.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--sf-muted);
}

.section p {
  color: var(--sf-muted);
  max-width: 720px;
}

/* Models grid */

.models-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 26px;
}

.card {
  background: var(--sf-card-bg);
  border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card img {
  width: 100%;
  display: block;
  height: auto;
}

.card-body {
  padding: 16px 18px 18px;
}

.card-title {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 18px;
}

.card-sub {
  font-size: 13px;
  color: var(--sf-muted);
  margin: 4px 0 10px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--sf-accent);
  color: #ffffff;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(23,84,93,0.18);
}

.card-link:hover {
  background: #255f66;
}

/* Benefits */

.benefits-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 22px;
}

.benefit {
  padding: 18px 18px 20px;
  border-radius: 20px;
  background: var(--sf-accent-soft);
}

.benefit-title {
  font-weight: 600;
  margin-bottom: 6px;
}

/* FAQ */

.faq-list {
  margin-top: 18px;
  border-radius: 22px;
  border: 1px solid #e0eced;
  overflow: hidden;
}

.faq-item {
  padding: 16px 18px;
  border-top: 1px solid #e6eff0;
}

.faq-item:first-child {
  border-top: none;
}

.faq-q {
  font-weight: 600;
}

.faq-a {
  font-size: 14px;
  color: var(--sf-muted);
  margin-top: 6px;
}

/* Footer */

footer {
  background: #f3f7f8;
  padding: 26px 20px;
  margin-top: 70px;
}

footer .inner {
  max-width: 1160px;
  margin: 0 auto;
  font-size: 13px;
  color: var(--sf-muted);
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

footer a {
  color: var(--sf-accent);
  text-decoration: none;
}

/* Responsive */

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0,1fr);
  }
  .hero {
    border-radius: 0 0 40px 40px;
  }
  .models-grid {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }
  .benefits-list {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }
}

@media (max-width: 640px) {
  header {
    padding: 16px;
  }
  .hero-title {
    font-size: 30px;
  }
  .models-grid {
    grid-template-columns: minmax(0,1fr);
  }
  .benefits-list {
    grid-template-columns: minmax(0,1fr);
  }
}