:root {
  color-scheme: light;
  --ink: #101820;
  --muted: #5c6670;
  --line: #d8dee4;
  --paper: #f7f9fb;
  --white: #ffffff;
  --mint: #2fbf8f;
  --amber: #d7952a;
  --blue: #315fbd;
  --coral: #d95d4f;
  --shadow: 0 18px 50px rgba(16, 24, 32, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  min-height: 68px;
  padding: 0 40px;
  background: rgba(247, 249, 251, 0.92);
  border-bottom: 1px solid rgba(216, 222, 228, 0.84);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.price-row,
.product-title-row,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  justify-self: start;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: var(--white);
  background: var(--ink);
  border-radius: 7px;
}

.nav-links {
  justify-self: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

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

.nav-action {
  justify-self: end;
  padding: 10px 15px;
  color: var(--white);
  background: var(--ink);
  border-radius: 7px;
  font-size: 14px;
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: 72vh;
  display: grid;
  align-items: center;
  padding: 96px 40px 76px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(16, 24, 32, 0.88), rgba(16, 24, 32, 0.55), rgba(16, 24, 32, 0.2)),
    url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1800&q=82") center/cover;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  content: "";
  background: rgba(255, 255, 255, 0.2);
}

.hero-content {
  position: relative;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--mint);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.group-panel h2 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.08;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(42px, 7vw, 78px);
}

.hero-copy {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 19px;
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-weight: 800;
  white-space: nowrap;
}

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

.button.primary:hover {
  background: #bf4639;
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

.button.full {
  width: 100%;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 1180px;
  margin: -36px auto 0;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.trust-strip div {
  min-height: 96px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(16, 24, 32, 0.08);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 88px 24px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(240px, 420px) minmax(260px, 1fr);
  gap: 44px;
  align-items: end;
  margin-bottom: 28px;
}

.section-heading.compact {
  display: block;
  max-width: 620px;
}

.section-heading h2,
.group-panel h2 {
  font-size: clamp(30px, 4vw, 46px);
}

.section-heading p:not(.eyebrow),
.group-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card,
.group-card,
.flow-list article,
.faq-grid details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.product-card {
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(16, 24, 32, 0.08);
}

.product-cover {
  display: grid;
  align-content: space-between;
  min-height: 172px;
  padding: 22px;
  color: var(--white);
  background: var(--ink);
}

.accent-mint .product-cover {
  background: linear-gradient(135deg, #0f332b, var(--mint));
}

.accent-amber .product-cover {
  background: linear-gradient(135deg, #4b3211, var(--amber));
}

.accent-blue .product-cover {
  background: linear-gradient(135deg, #15233d, var(--blue));
}

.product-cover span {
  justify-self: start;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.product-cover strong {
  max-width: 220px;
  font-size: 26px;
  line-height: 1.15;
}

.product-body {
  padding: 22px;
}

.product-title-row {
  justify-content: space-between;
  gap: 12px;
}

.product-title-row h3,
.flow-list h3 {
  margin: 0;
  font-size: 20px;
}

.product-title-row span {
  flex: 0 0 auto;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
}

.product-body p,
.flow-list p,
.faq-grid p {
  color: var(--muted);
}

.product-body ul {
  min-height: 88px;
  margin: 18px 0;
  padding-left: 18px;
  color: var(--ink);
}

.product-body li + li {
  margin-top: 7px;
}

.price-row {
  gap: 5px;
  margin-bottom: 18px;
}

.price {
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.price small,
.unit {
  font-size: 15px;
  color: var(--muted);
}

.group-panel {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 340px;
  gap: 32px;
  align-items: center;
  padding: 42px;
  color: var(--white);
  background: #101820;
  border-radius: 8px;
}

.group-panel p {
  color: rgba(255, 255, 255, 0.72);
  margin-top: 16px;
}

.group-card {
  padding: 24px;
  color: var(--ink);
}

.group-label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.group-card strong {
  display: block;
  margin: 10px 0 22px;
  font-size: 28px;
}

.flow-list,
.faq-grid {
  display: grid;
  gap: 16px;
}

.flow-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
}

.flow-list article {
  padding: 24px;
}

.flow-list span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 900;
}

.faq-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
}

.faq-grid details {
  padding: 20px;
}

.faq-grid summary {
  cursor: pointer;
  font-weight: 800;
}

.site-footer {
  justify-content: space-between;
  max-width: 1180px;
  margin: 80px auto 0;
  padding: 30px 24px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 18px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: 68vh;
    padding: 72px 20px 64px;
    background-position: center;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .trust-strip,
  .product-grid,
  .flow-list,
  .faq-grid,
  .section-heading,
  .group-panel {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    margin-top: 0;
    padding: 0;
  }

  .trust-strip div {
    border-radius: 0;
    box-shadow: none;
  }

  .section {
    padding-top: 64px;
  }

  .group-panel {
    padding: 28px;
  }

  .group-card {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .site-header {
    min-height: 62px;
  }

  .nav-action {
    padding: 9px 12px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .button {
    width: 100%;
  }

  .product-cover {
    min-height: 150px;
  }

  .site-footer {
    display: grid;
    gap: 8px;
  }
}