:root {
  color-scheme: light;
  --ink: #18211f;
  --muted: #61706c;
  --paper: #fbfaf6;
  --panel: #ffffff;
  --line: #dde5df;
  --green: #0b6b4f;
  --green-dark: #084735;
  --coral: #e86f51;
  --yellow: #f6c453;
  --blue: #22577a;
  --shadow: 0 20px 50px rgba(24, 33, 31, .12);
}

* { box-sizing: border-box; }

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(251, 250, 246, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(221, 229, 223, .8);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: white;
  background: var(--green);
  letter-spacing: 0;
}

nav {
  display: flex;
  gap: clamp(12px, 3vw, 30px);
  color: var(--muted);
  font-size: .95rem;
  font-weight: 650;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, .97fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(34px, 7vw, 88px) clamp(18px, 4vw, 56px) 42px;
}

.hero-copy { max-width: 720px; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 20px;
  font-size: clamp(3rem, 7vw, 6.9rem);
  line-height: .91;
  max-width: 780px;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  max-width: 850px;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.lead {
  max-width: 610px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.signup {
  margin-top: 30px;
  max-width: 590px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.signup label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 700;
}

.signup-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

input, button {
  min-height: 52px;
  border-radius: 8px;
  font: inherit;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  padding: 0 16px;
  background: #fdfdfb;
  color: var(--ink);
}

button {
  border: 0;
  padding: 0 20px;
  color: white;
  background: var(--green);
  font-weight: 800;
  cursor: pointer;
}

button:hover { background: var(--green-dark); }

.form-note {
  min-height: 20px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: .86rem;
}

.hero-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--blue);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  display: block;
}

.alert-card {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  padding: 20px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .18);
}

.alert-card span {
  color: var(--green);
  font-size: .82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.alert-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.35rem;
}

.alert-card p {
  margin: 7px 0 0;
  color: var(--coral);
  font-weight: 800;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
  background: #edf6f1;
}

.stats div {
  padding: 26px clamp(18px, 4vw, 44px);
  border-right: 1px solid var(--line);
}

.stats div:last-child { border-right: 0; }

.stats strong {
  display: block;
  font-size: 1.8rem;
}

.stats span {
  color: var(--muted);
  font-size: .95rem;
}

.section {
  padding: clamp(54px, 8vw, 100px) clamp(18px, 4vw, 56px);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 32px;
}

.section-heading p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  line-height: 1.55;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 276px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.product-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.product-icon {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: #edf6f1;
  font-size: 1.5rem;
}

.tag {
  padding: 6px 9px;
  border-radius: 999px;
  color: var(--green-dark);
  background: #dff3e9;
  font-size: .75rem;
  font-weight: 800;
}

.product-card h3 { min-height: 52px; }

.source {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: .88rem;
}

.price-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: auto;
}

.price-box {
  padding: 10px;
  border-radius: 8px;
  background: #f6f7f4;
}

.price-box span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: .73rem;
  font-weight: 800;
  text-transform: uppercase;
}

.price-box strong {
  font-size: 1rem;
  white-space: nowrap;
}

.watch-link {
  display: inline-flex;
  justify-content: center;
  margin-top: 14px;
  padding: 11px 12px;
  border-radius: 8px;
  color: white;
  background: var(--blue);
  font-weight: 800;
}

.how { background: #ffffff; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.steps article {
  padding: 24px;
  border-left: 5px solid var(--yellow);
  background: #fbfaf6;
}

.steps span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 50%;
  color: white;
  background: var(--green);
  font-weight: 900;
}

.steps p, .faq-list p {
  color: var(--muted);
  line-height: 1.55;
}

.split {
  display: grid;
  grid-template-columns: minmax(220px, .65fr) minmax(0, 1.35fr);
  gap: 32px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

summary {
  cursor: pointer;
  font-weight: 800;
}

details p {
  margin: 12px 0 0;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(18px, 4vw, 56px);
  color: white;
  background: var(--ink);
}

footer span { color: rgba(255, 255, 255, .75); }

@media (max-width: 1050px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    font-size: .86rem;
  }

  .signup-row,
  .stats,
  .steps,
  .product-grid,
  .price-row {
    grid-template-columns: 1fr;
  }

  .hero-visual,
  .hero-visual img {
    min-height: 360px;
  }

  h1 {
    font-size: 3rem;
    line-height: .96;
  }

  footer {
    flex-direction: column;
  }
}
