:root {
  --bg: #f7faf9;
  --surface: #ffffff;
  --surface-soft: #edf6f3;
  --ink: #10201c;
  --muted: #60726c;
  --line: #d9e5e1;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --accent-soft: #d7f3ee;
  --shadow: 0 18px 45px rgba(16, 32, 28, 0.08);
  --radius: 8px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
  text-decoration-color: rgba(15, 118, 110, 0.38);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-strong);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(217, 229, 225, 0.8);
  background: rgba(247, 250, 249, 0.92);
  backdrop-filter: blur(14px);
}

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

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 0.9rem;
  letter-spacing: 0;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  content: "";
}

.nav-toggle span::before {
  transform: translateY(-6px);
}

.nav-toggle span::after {
  transform: translateY(4px);
}

.nav-links {
  position: absolute;
  top: 72px;
  right: 16px;
  left: 16px;
  display: none;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.nav-links.is-open {
  display: grid;
}

.nav-links a {
  padding: 12px;
  border-radius: 6px;
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: var(--surface-soft);
  color: var(--accent-strong);
}

.hero {
  padding: 72px 0 36px;
}

.hero-grid {
  display: grid;
  gap: 34px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  font-size: clamp(2.5rem, 8vw, 5.6rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.4rem);
}

h3 {
  font-size: 1.35rem;
}

p {
  margin: 0;
}

.lead {
  max-width: 720px;
  margin-top: 20px;
  color: var(--muted);
  font-size: clamp(1.06rem, 2.5vw, 1.3rem);
}

.hero-actions,
.store-links,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button,
.store-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 760;
  text-decoration: none;
}

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

.button.primary:hover {
  background: var(--accent-strong);
  color: white;
}

.button.secondary,
.store-badge {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.button.secondary:hover,
.store-badge:hover {
  border-color: rgba(15, 118, 110, 0.45);
  color: var(--accent-strong);
}

.hero-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel img {
  width: 100%;
}

.section {
  padding: 56px 0;
}

.section-header {
  display: grid;
  gap: 14px;
  max-width: 760px;
  margin-bottom: 28px;
}

.section-header p,
.text-block p,
.feature-card p,
.app-card p,
.policy-content p,
.policy-content li,
.faq-item p {
  color: var(--muted);
}

.band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.text-block {
  display: grid;
  gap: 16px;
  max-width: 860px;
}

.app-grid,
.feature-grid,
.support-grid,
.privacy-grid {
  display: grid;
  gap: 18px;
}

.app-card,
.feature-card,
.faq-item,
.contact-panel,
.policy-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.app-card {
  display: grid;
  overflow: hidden;
}

.app-card-body,
.feature-card,
.faq-item,
.contact-panel,
.policy-card {
  padding: 22px;
}

.app-card img {
  width: 100%;
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.app-card h3,
.feature-card h3,
.faq-item h3 {
  margin-bottom: 10px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.86rem;
  font-weight: 700;
}

.app-hero {
  padding: 58px 0 26px;
}

.app-detail-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.screenshot-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.screenshot-strip img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 30px rgba(16, 32, 28, 0.06);
}

.policy-content {
  display: grid;
  gap: 24px;
  max-width: 860px;
}

.policy-content h2 {
  font-size: 1.45rem;
}

.policy-content ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

label {
  font-weight: 720;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(15, 118, 110, 0.16);
  border-color: var(--accent);
}

.form-note,
.fine-print {
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-inner {
  display: grid;
  gap: 16px;
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--ink);
  color: white;
}

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

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

  .nav-links {
    position: static;
    display: flex;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .hero {
    padding-top: 94px;
  }

  .hero-grid,
  .app-detail-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(280px, 0.7fr);
  }

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

  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .screenshot-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .section {
    padding: 76px 0;
  }
}