:root {
  color-scheme: light;
  --bg: #f4fbf8;
  --bg-strong: #ffffff;
  --text: #10231f;
  --muted: #5f716c;
  --primary: #00796b;
  --primary-dark: #00584e;
  --accent: #c6fff1;
  --border: rgba(16, 35, 31, 0.12);
  --shadow: 0 24px 70px rgba(0, 88, 78, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(198, 255, 241, 0.8), transparent 28rem),
    linear-gradient(180deg, #f4fbf8 0%, #ffffff 48%, #f4fbf8 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(244, 251, 248, 0.84);
  backdrop-filter: blur(18px);
}

.nav,
.hero,
.section,
.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.brand,
.nav-links,
.trust-row,
.hero-actions,
.provider-row,
.footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 12px;
  background: var(--primary);
  color: white;
  box-shadow: 0 12px 28px rgba(0, 121, 107, 0.24);
}

.nav-links {
  gap: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-cta:hover {
  color: var(--primary);
}

.nav-cta {
  color: var(--primary-dark);
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 64px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 80px 0;
}

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

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1,
h2 {
  line-height: 1.02;
  letter-spacing: -0.06em;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3.25rem, 8vw, 6.75rem);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.25rem, 4vw, 4.5rem);
}

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

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

.hero-text {
  max-width: 650px;
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 22px;
  font-weight: 800;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 18px 36px rgba(0, 121, 107, 0.24);
}

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

.button.secondary {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
}

.trust-row {
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.trust-row span,
.provider-row span {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--muted);
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 700;
}

.hero-card {
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: min(100%, 390px);
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 42px;
  background: linear-gradient(160deg, #10231f, #0c3e36);
  box-shadow: var(--shadow);
  padding: 18px;
}

.phone-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 12px 10px 24px;
  color: white;
}

.phone-header span:first-child {
  width: 46px;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.36);
}

.chat-preview {
  display: grid;
  gap: 12px;
  min-height: 340px;
  align-content: end;
  border-radius: 30px;
  background:
    radial-gradient(circle at top right, rgba(198, 255, 241, 0.18), transparent 16rem),
    rgba(255, 255, 255, 0.08);
  padding: 18px;
}

.bubble {
  max-width: 82%;
  border-radius: 22px;
  padding: 14px 16px;
  font-weight: 700;
}

.bubble.user {
  justify-self: end;
  background: var(--accent);
  color: #06332d;
}

.bubble.app {
  justify-self: start;
  background: rgba(255, 255, 255, 0.14);
  color: white;
}

.summary-card {
  display: grid;
  gap: 4px;
  margin-top: 14px;
  border-radius: 24px;
  background: white;
  padding: 18px;
}

.summary-card span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.summary-card strong {
  color: var(--primary-dark);
  font-size: 1.45rem;
}

.section {
  padding: 96px 0;
}

.split {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 56px;
  align-items: center;
}

.split.reverse {
  grid-template-columns: 1.1fr 0.9fr;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.panel,
.stat-card {
  border: 1px solid var(--border);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 50px rgba(16, 35, 31, 0.06);
}

.feature-card {
  padding: 24px;
}

.icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 16px;
  background: #e2fff7;
  color: var(--primary-dark);
  font-weight: 900;
}

.showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding-top: 32px;
  padding-bottom: 32px;
}

.stat-card {
  display: grid;
  gap: 6px;
  padding: 28px;
}

.stat-card strong {
  color: var(--primary);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1;
}

.stat-card span {
  color: var(--muted);
  font-weight: 700;
}

.panel {
  padding: clamp(28px, 4vw, 48px);
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--text);
  font-weight: 700;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--primary);
  content: "+";
}

.providers {
  text-align: center;
}

.section-heading {
  margin: 0 auto 32px;
}

.provider-row {
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.cta {
  border: 1px solid var(--border);
  border-radius: 38px;
  background:
    radial-gradient(circle at 20% 20%, rgba(198, 255, 241, 0.8), transparent 24rem),
    #ffffff;
  box-shadow: var(--shadow);
  padding-right: 32px;
  padding-left: 32px;
  text-align: center;
}

.cta p {
  max-width: 680px;
  margin-right: auto;
  margin-left: auto;
}

.centered {
  justify-content: center;
}

.footer {
  justify-content: space-between;
  gap: 16px;
  padding: 40px 0;
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 840px) {
  .nav {
    min-height: 64px;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .split,
  .split.reverse,
  .showcase {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 42px;
    min-height: auto;
    padding: 56px 0;
  }

  .section {
    padding: 68px 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .showcase {
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .nav,
  .hero,
  .section,
  .footer {
    width: min(100% - 22px, 1120px);
  }

  .nav-cta {
    display: none;
  }

  .button {
    width: 100%;
  }

  .phone-frame {
    border-radius: 30px;
    padding: 12px;
  }

  .chat-preview {
    min-height: 300px;
    border-radius: 24px;
  }

  .cta {
    border-radius: 28px;
    padding-right: 22px;
    padding-left: 22px;
  }
}