:root {
  --ink: #1d2d2f;
  --muted: #5f6f73;
  --brand: #1f8f8c;
  --brand-dark: #106b69;
  --soft: #eef8f7;
  --warm: #f8f4ee;
  --white: #ffffff;
  --line: #dbe7e6;
  --shadow: 0 18px 50px rgba(14, 61, 60, 0.12);
  --radius: 24px;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

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

a { color: inherit; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--ink);
  color: var(--white);
  padding: 10px 14px;
  border-radius: 999px;
  z-index: 999;
}

.skip-link:focus { left: 12px; }

.container {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(219, 231, 230, 0.85);
}

.nav {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  width: 120px;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.96rem;
  color: var(--muted);
}

.nav-links a {
  text-decoration: none;
  font-weight: 650;
}

.nav-links a:hover { color: var(--brand-dark); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(16, 107, 105, 0.16);
}

.button.primary {
  background: var(--brand);
  color: var(--white);
}

.button.secondary {
  background: var(--white);
  color: var(--brand-dark);
  border-color: var(--line);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(31,143,140,.20), transparent 34%),
    linear-gradient(135deg, var(--soft) 0%, var(--white) 52%, var(--warm) 100%);
  padding: 84px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border-radius: 999px;
  background: rgba(31,143,140,.10);
  color: var(--brand-dark);
  font-weight: 850;
  font-size: 0.92rem;
  margin: 0 0 20px;
}

h1, h2, h3 {
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.7rem, 7vw, 5.4rem);
  max-width: 850px;
}

.lead {
  font-size: clamp(1.15rem, 2vw, 1.38rem);
  color: var(--muted);
  margin: 24px 0 0;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
  color: var(--muted);
  font-weight: 700;
}

.hero-points li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
}

.hero-card {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: calc(var(--radius) + 10px);
  padding: 28px;
}

.hero-card h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin-bottom: 16px;
}

.condition-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.condition-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 16px;
  background: var(--soft);
  font-weight: 700;
}

.tick {
  color: var(--brand-dark);
  font-weight: 900;
}

section { padding: 80px 0; }

.section-heading {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 34px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 30px rgba(14, 61, 60, 0.06);
}

.card h3 {
  font-size: 1.24rem;
  margin-bottom: 10px;
}

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

.split {
  background: var(--soft);
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  padding: 32px;
  box-shadow: var(--shadow);
}

.panel h2 {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  margin-bottom: 18px;
}

.panel p { color: var(--muted); }

.steps {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
}

.step-number {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: var(--brand);
  color: var(--white);
  display: grid;
  place-items: center;
  font-weight: 900;
}

.step strong { display: block; }
.step span { color: var(--muted); }

.reviews-panel {
  display: flex;
  flex-direction: column;
}

.stars {
  color: var(--brand-dark);
  letter-spacing: 2px;
  font-size: 1.15rem;
  line-height: 1;
  margin-bottom: 10px;
}

.review-carousel {
  display: grid;
  grid-template-columns: 42px 1fr 42px;
  gap: 12px;
  align-items: center;
  margin: 28px 0 14px;
}

.review-list {
  position: relative;
  min-height: 185px;
  display: grid;
  align-items: center;
}

.review {
  display: none;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.review.active {
  display: block;
  animation: fadeReview .35s ease;
}

.review p {
  margin: 0;
}

.review-arrow {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--brand-dark);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
}

.review-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin: 0 0 22px;
}

.review-dots button {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 0;
  background: var(--line);
  cursor: pointer;
}

.review-dots button.active {
  background: var(--brand);
}

@keyframes fadeReview {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.faq {
  display: grid;
  gap: 14px;
}

details {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  font-weight: 850;
  color: var(--ink);
}

details p {
  color: var(--muted);
  margin: 12px 0 0;
}

.contact {
  background: linear-gradient(135deg, var(--brand-dark), #0c4f4d);
  color: var(--white);
  padding: 70px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 28px;
  align-items: center;
}

.contact h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.contact p {
  color: rgba(255,255,255,.82);
  font-size: 1.12rem;
}

.contact-card {
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: calc(var(--radius) + 6px);
  padding: 28px;
}

.contact-card a { color: var(--white); }

.contact .button.primary {
  background: var(--white);
  color: var(--brand-dark);
}

footer {
  padding: 26px 0;
  color: var(--muted);
  font-size: .94rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 880px) {
  .nav { min-height: 74px; }
  .nav-links a:not(.button) { display: none; }
  .hero { padding-top: 52px; }
  .hero-grid,
  .section-heading,
  .split-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .cards { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .logo { width: 120px; }
  .nav-links .button { padding: 11px 14px; font-size: .92rem; }
  .cards { grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  section { padding: 58px 0; }
  .panel { padding: 24px; }
  .review-carousel {
    grid-template-columns: 1fr;
  }
  .review-arrow {
    display: none;
  }
}