:root {
  color-scheme: light;
  --bg: #f7fbf8;
  --surface: #ffffff;
  --surface-soft: #eaf5ef;
  --ink: #10231d;
  --muted: #53665f;
  --line: #d8e8df;
  --accent: #0f766e;
  --accent-dark: #0b4f49;
  --gold: #b7791f;
  --shadow: 0 24px 70px rgba(16, 35, 29, 0.11);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.site-header,
.site-footer,
main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
}

.brand {
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.site-header nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.site-header nav a,
.site-footer nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
  text-decoration: none;
}

.site-header nav a:hover,
.site-footer nav a:hover {
  color: var(--accent-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 48px;
  align-items: center;
  padding: 70px 0 86px;
}

.hero h1,
.section-heading h2,
.split-section h2,
.page-hero h1,
.content-section h2 {
  margin: 0;
  color: var(--ink);
  letter-spacing: 0;
  line-height: 1.04;
}

.hero h1 {
  max-width: 680px;
  font-size: clamp(3rem, 7vw, 5.7rem);
}

.hero-copy > p:not(.section-label) {
  max-width: 640px;
  font-size: 1.2rem;
}

.section-label {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.3;
  text-transform: uppercase;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 22px;
  font-size: 0.96rem;
  font-weight: 760;
  text-decoration: none;
}

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

.button.secondary {
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--accent-dark);
}

.hero-panel {
  display: flex;
  justify-content: center;
  padding: 28px;
  border-radius: 28px;
  background: linear-gradient(150deg, #dff2e7 0%, #fff8e8 100%);
  box-shadow: var(--shadow);
}

.phone-frame {
  width: min(320px, 100%);
  border: 10px solid #10231d;
  border-radius: 34px;
  padding: 18px;
  background: #f8fbf9;
  box-shadow: 0 18px 46px rgba(16, 35, 29, 0.18);
}

.phone-top {
  width: 78px;
  height: 7px;
  margin: 0 auto 24px;
  border-radius: 999px;
  background: #d6e2dc;
}

.scan-card,
.result-row {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #ffffff;
}

.scan-card {
  padding: 18px;
}

.scan-card span,
.result-row span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
  text-transform: uppercase;
}

.scan-card strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 1.25rem;
  line-height: 1.25;
}

.scan-card p {
  margin-bottom: 0;
  color: var(--accent-dark);
  font-size: 0.92rem;
}

.result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 12px;
  padding: 14px 16px;
}

.result-row strong {
  color: var(--ink);
  font-size: 1rem;
  text-align: right;
}

.content-band,
.faq-section,
.content-section,
.page-hero {
  padding: 58px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading h2,
.split-section h2,
.content-section h2 {
  font-size: clamp(2rem, 4vw, 3.45rem);
}

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

.feature-grid article,
.info-card,
.content-section details,
.faq-section details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.feature-grid article {
  padding: 26px;
}

.feature-grid h3,
.info-card h3 {
  margin: 0 0 10px;
  font-size: 1.22rem;
}

.feature-grid p,
.info-card p {
  margin-top: 0;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
  gap: 44px;
  align-items: start;
  padding: 64px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 680;
}

.faq-section details,
.content-section details {
  margin-bottom: 12px;
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  color: var(--ink);
  font-size: 1.03rem;
  font-weight: 800;
}

details p {
  margin-bottom: 0;
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.72fr);
  gap: 44px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-size: clamp(2.75rem, 6vw, 5rem);
}

.page-hero p {
  max-width: 680px;
  font-size: 1.15rem;
}

.info-card {
  padding: 28px;
  box-shadow: var(--shadow);
}

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

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0 42px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  max-width: 650px;
  margin: 0;
  font-size: 0.92rem;
}

@media (max-width: 820px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .page-hero,
  .split-section,
  .feature-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-panel {
    padding: 18px;
  }
}

@media (max-width: 520px) {
  .site-header,
  .site-footer,
  main {
    width: min(100% - 28px, 1120px);
  }

  .site-header nav,
  .site-footer nav {
    gap: 12px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 2.7rem;
  }

  .button {
    width: 100%;
  }

  .content-band,
  .faq-section,
  .content-section,
  .page-hero {
    padding: 42px 0;
  }
}
