:root {
  --cream: #f8f4ed;
  --paper-white: #fbf9f4;
  --surface-warm: #f0eae0;
  --divider-sand: #ddd2bd;
  --ink: #2d2520;
  --graphite: #5a4f44;
  --accent: #8b6914;
  --accent-hover: #6f5410;
  --shadow: rgba(45, 37, 32, 0.08);
  --shadow-strong: rgba(45, 37, 32, 0.14);
  --on-dark: #fbf9f4;
  --on-dark-muted: rgba(251, 249, 244, 0.78);
  --max-width: 1120px;
  --radius: 16px;
  --radius-sm: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--cream) 88%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--divider-sand) 60%, transparent);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  box-shadow: 0 4px 12px var(--shadow);
}

.brand span {
  font-family: "Noto Serif", Georgia, serif;
  font-size: 1.125rem;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper-white);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  transition: transform 0.15s ease, background 0.15s ease;
}

.nav-cta:hover {
  background: #1a1512;
  transform: translateY(-1px);
}

.hero {
  padding: 4.5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--surface-warm);
  color: var(--graphite);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: "Noto Serif", Georgia, serif;
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.hero-lead {
  margin: 0 0 2rem;
  max-width: 34rem;
  color: var(--graphite);
  font-size: 1.125rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.app-store-link img {
  height: 54px;
  width: auto;
}

.secondary-link {
  color: var(--graphite);
  font-size: 0.9375rem;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.secondary-link:hover {
  color: var(--ink);
}

.phone-frame {
  position: relative;
  width: min(100%, 320px);
  margin-inline: auto;
  padding: 0.85rem;
  border-radius: 2.25rem;
  background: linear-gradient(145deg, #3a342e, #1f1b16);
  box-shadow:
    0 24px 60px var(--shadow-strong),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.phone-screen {
  overflow: hidden;
  border-radius: 1.6rem;
  background: var(--paper-white);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.phone-notch {
  height: 28px;
  background: var(--dark-canvas, #1f1b16);
}

.phone-content {
  padding: 1.25rem;
  min-height: 420px;
  background:
    radial-gradient(circle at top right, rgba(221, 210, 189, 0.35), transparent 55%),
    var(--paper-white);
}

.mock-title {
  margin: 0 0 0.35rem;
  font-family: "Noto Serif", Georgia, serif;
  font-size: 1.125rem;
  line-height: 1.35;
}

.mock-meta {
  margin: 0 0 1.25rem;
  color: var(--graphite);
  font-size: 0.8125rem;
}

.mock-body p {
  margin: 0 0 0.9rem;
  font-family: "Noto Serif", Georgia, serif;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink);
}

.mock-highlight {
  display: inline;
  background: linear-gradient(transparent 55%, rgba(221, 210, 189, 0.85) 55%);
  padding-inline: 0.1em;
}

.mock-toolbar {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.mock-chip {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--surface-warm);
  color: var(--graphite);
  font-size: 0.75rem;
  font-weight: 600;
}

.features {
  padding: 2rem 0 5rem;
}

.section-heading {
  margin: 0 0 0.75rem;
  font-family: "Noto Serif", Georgia, serif;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
}

.section-subtitle {
  margin: 0 0 2.5rem;
  max-width: 40rem;
  color: var(--graphite);
  font-size: 1.0625rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.feature-card {
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--paper-white);
  border: 1px solid color-mix(in srgb, var(--divider-sand) 55%, transparent);
  box-shadow: 0 8px 24px var(--shadow);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1rem;
  border-radius: 12px;
  background: var(--surface-warm);
  font-size: 1.125rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
}

.feature-card p {
  margin: 0;
  color: var(--graphite);
  font-size: 0.9375rem;
}

.cta-band {
  padding: 3.5rem 0;
}

.cta-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2.25rem;
  border-radius: calc(var(--radius) + 4px);
  background:
    linear-gradient(135deg, rgba(45, 37, 32, 0.96), rgba(31, 27, 22, 0.98)),
    var(--ink);
  color: var(--on-dark);
  box-shadow: 0 20px 50px var(--shadow-strong);
}

.cta-panel h2 {
  margin: 0 0 0.35rem;
  font-family: "Noto Serif", Georgia, serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.cta-panel p {
  margin: 0;
  color: var(--on-dark-muted);
}

.site-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid color-mix(in srgb, var(--divider-sand) 55%, transparent);
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--graphite);
  font-size: 0.875rem;
}

.footer-row a {
  color: var(--graphite);
  text-decoration: none;
}

.footer-row a:hover {
  color: var(--ink);
}

@media (max-width: 900px) {
  .hero-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }

  .phone-frame {
    order: -1;
  }

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

@media (max-width: 640px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    padding: 1.5rem;
  }

  .site-header .container {
    padding-block: 0.85rem;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --cream: #1f1b16;
    --paper-white: #2a2520;
    --surface-warm: #342f29;
    --divider-sand: #4a4339;
    --ink: #e8e0d2;
    --graphite: #b8aea0;
    --shadow: rgba(0, 0, 0, 0.25);
    --shadow-strong: rgba(0, 0, 0, 0.4);
  }

  .nav-cta {
    background: var(--ink);
    color: #1f1b16;
  }

  .nav-cta:hover {
    background: #f8f4ed;
  }

  .phone-screen,
  .phone-content {
    background: #2a2520;
  }

  .mock-body p {
    color: var(--ink);
  }
}