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

:root {
  --color-ink: #1b1b1f;
  --color-muted: #5a5a63;
  --color-sand: #f5f1ed;
  --color-spring: #d6ebe3;
  --color-thermal: #1f6f78;
  --color-gold: #c3a25c;
  --color-night: #0f2e33;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --shadow-soft: 0 18px 45px rgba(15, 46, 51, 0.12);
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--color-ink);
  background: #fff;
  line-height: 1.6;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

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

main {
  display: flex;
  flex-direction: column;
  gap: 64px;
  padding: 0 0 80px;
}

header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid #ece7e2;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 16px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand span {
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--color-thermal);
}

.brand strong {
  font-size: 1.2rem;
}

.nav-toggle {
  background: none;
  border: 1px solid #d7d0c7;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.9rem;
  cursor: pointer;
}

nav {
  position: relative;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  flex-direction: column;
  gap: 12px;
  background: #fff;
  border: 1px solid #ece7e2;
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-soft);
  position: absolute;
  right: 0;
  top: 48px;
  min-width: 220px;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-night);
}

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

.hero {
  background: var(--color-sand);
  padding: 80px 0 70px;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  margin-bottom: 12px;
}

.hero p {
  color: var(--color-muted);
  margin: 0 0 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  border: none;
  background: var(--color-thermal);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.secondary {
  background: #fff;
  color: var(--color-thermal);
  border: 1px solid var(--color-thermal);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(31, 111, 120, 0.2);
}

.section {
  padding: 0 0;
}

.section-title {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.section-title p {
  margin: 0;
  color: var(--color-muted);
}

.cards {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 22px;
  border: 1px solid #efeae4;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card.highlight {
  background: var(--color-spring);
  border-color: #c0ddd2;
}

.card h3 {
  margin: 0;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  background: #fff;
  border-radius: 999px;
  padding: 6px 14px;
  border: 1px solid #e0d8ce;
  font-size: 0.85rem;
}

.feature-row {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feature-row .feature {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid #efeae4;
}

.feature svg {
  width: 46px;
  height: 46px;
}

.split-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
  background: var(--color-night);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
}

.split-panel p {
  color: #d7e2e4;
}

.stats {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.stat {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 18px;
  border: 1px solid #efeae4;
}

.stat strong {
  font-size: 1.8rem;
  color: var(--color-thermal);
}

.quote {
  background: #fff;
  border-left: 4px solid var(--color-gold);
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
}

.comparison {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comparison-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid #efeae4;
}

.comparison-row span {
  font-weight: 600;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.timeline-item {
  padding: 16px;
  border-left: 3px solid var(--color-thermal);
  background: #fff;
  border-radius: var(--radius-sm);
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.accordion-item {
  border: 1px solid #efeae4;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
}

.accordion-button {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 16px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.accordion-content {
  padding: 0 16px 16px;
  color: var(--color-muted);
  display: none;
}

.accordion-item.open .accordion-content {
  display: block;
}

.cta {
  background: var(--color-spring);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

footer {
  background: #f7f3ef;
  padding: 50px 0;
  border-top: 1px solid #e9e2db;
}

.footer-grid {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.95rem;
}

.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-soft);
  border: 1px solid #efeae4;
  display: none;
  flex-direction: column;
  gap: 12px;
  z-index: 60;
}

.cookie-banner.show {
  display: flex;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 46, 51, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 70;
  padding: 16px;
}

.modal-backdrop.show {
  display: flex;
}

.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 520px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal h3 {
  margin: 0;
}

.modal .toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid #efeae4;
  border-radius: var(--radius-sm);
}

.modal .toggle-row span {
  font-weight: 600;
}

.modal-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.info-block {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid #efeae4;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tagline {
  font-size: 0.95rem;
  color: var(--color-muted);
}

.hero-icons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-icons .icon-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border-radius: 999px;
  padding: 8px 16px;
  border: 1px solid #efeae4;
}

@media (min-width: 720px) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 20px;
    border: none;
    box-shadow: none;
    padding: 0;
  }

  .hero-grid {
    flex-direction: row;
    align-items: stretch;
  }

  .hero-card {
    flex: 1;
  }

  .cards {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .card {
    flex: 1 1 260px;
  }

  .feature-row {
    flex-direction: row;
  }

  .feature-row .feature {
    flex: 1;
  }

  .split-panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .stats {
    flex-direction: row;
  }

  .stat {
    flex: 1;
  }

  .comparison-row {
    flex-direction: row;
    justify-content: space-between;
  }

  .timeline {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .timeline-item {
    flex: 1 1 260px;
  }

  .footer-grid {
    flex-direction: row;
    justify-content: space-between;
  }
}