:root {
  --primary: #0A8F63;
  --on-primary: #FFFFFF;
  --primary-container: #D3F5E6;
  --on-primary-container: #04563A;
  --hero-start: #0A8F63;
  --hero-end: #05603F;
  --background: #F3F6F4;
  --surface: #FFFFFF;
  --surface-variant: #EAF0ED;
  --outline: #E0E7E3;
  --text-primary: #17201C;
  --text-secondary: #5C6A64;
  --radius: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #4FD6A1;
    --on-primary: #00391F;
    --primary-container: #0F3B2C;
    --on-primary-container: #B5F2D7;
    --hero-start: #136B4D;
    --hero-end: #0A3F2D;
    --background: #0D1210;
    --surface: #161D1A;
    --surface-variant: #1F2824;
    --outline: #26302B;
    --text-primary: #E4EBE7;
    --text-secondary: #96A6A0;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.55;
}

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

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--outline);
}

.nav .wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 60px;
}

.nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text-primary);
  margin-right: auto;
}

.nav .brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.nav nav {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
}

.nav nav a {
  color: var(--text-secondary);
  white-space: nowrap;
}

.nav nav a:hover {
  color: var(--primary);
  text-decoration: none;
}

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--hero-start), var(--hero-end));
  color: #FFFFFF;
  padding: 64px 0 56px;
  text-align: center;
}

.hero img.icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.hero h1 {
  margin: 0 0 10px;
  font-size: 2.2rem;
}

.hero p.tagline {
  max-width: 560px;
  margin: 0 auto 28px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.05rem;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 8px;
}

.badges img {
  height: 28px;
}

.cta-row {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

.cta-row img {
  height: 58px;
}

/* Sections */
section {
  padding: 56px 0;
}

section h2 {
  text-align: center;
  font-size: 1.7rem;
  margin: 0 0 8px;
}

section p.lead {
  text-align: center;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 36px;
}

/* Screenshots */
.shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 18px;
}

.shots figure {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
}

.shots img {
  border-radius: 10px;
  margin: 0 auto 10px;
}

.shots figcaption {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.card .emoji {
  font-size: 1.6rem;
}

.card h3 {
  margin: 10px 0 10px;
  font-size: 1.1rem;
}

.card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.card li {
  margin-bottom: 6px;
}

/* Privacy summary / generic panel */
.panel {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 28px 30px;
  max-width: 760px;
  margin: 0 auto;
}

.panel ul {
  padding-left: 20px;
}

table.permissions {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 0.92rem;
}

table.permissions th,
table.permissions td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--outline);
}

table.permissions th {
  color: var(--text-secondary);
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--primary-container);
  color: var(--on-primary-container);
  font-weight: 600;
  font-size: 0.95rem;
}

.btn:hover {
  text-decoration: none;
  filter: brightness(1.05);
}

/* Footer */
footer {
  border-top: 1px solid var(--outline);
  padding: 32px 0 48px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

footer .links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

/* Document pages (privacy / changelog) */
.doc {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

.doc h1 {
  font-size: 1.9rem;
  margin-bottom: 4px;
}

.doc .meta {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 0.92rem;
}

.doc h2 {
  font-size: 1.3rem;
  margin: 36px 0 12px;
  border-bottom: 1px solid var(--outline);
  padding-bottom: 8px;
}

.doc h3 {
  font-size: 1.05rem;
  margin: 24px 0 8px;
}

.doc ul {
  padding-left: 22px;
  color: var(--text-primary);
}

.doc li {
  margin-bottom: 6px;
}

.version-block {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 8px 28px 20px;
  margin-bottom: 28px;
}

@media (max-width: 600px) {
  .nav nav {
    gap: 12px;
    font-size: 0.85rem;
  }
  .hero h1 {
    font-size: 1.7rem;
  }
}