/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[id] { scroll-margin-top: 80px; }

/* ─── Tokens ─── */
:root {
  --sage-50:  #F5F7F5;
  --sage-100: #E8ECE8;
  --sage-200: #D1D8D1;
  --sage-300: #A8B5A8;
  --sage-400: #7E8F7E;
  --sage-500: #5E6E5E;
  --sage-600: #4A574A;
  --sage-700: #3A443A;
  --sage-800: #2A312A;
  --sage-900: #1A1F1A;

  --bg:        #FFFFFF;
  --bg-subtle: var(--sage-50);
  --text:      var(--sage-900);
  --text-sub:  var(--sage-500);
  --border:    var(--sage-200);
  --card:      #FFFFFF;
  --card-hover: var(--sage-50);
  --accent:    #7A8672;
  --accent-soft: #EFF2EE;
  --footer-bg: var(--sage-900);
  --footer-text: var(--sage-300);
  --footer-heading: var(--sage-100);
  --toggle-bg: var(--sage-100);
  --toggle-icon: var(--sage-600);
}

[data-theme="dark"] {
  --bg:        #1A1E1A;
  --bg-subtle: #212521;
  --text:      var(--sage-200);
  --text-sub:  var(--sage-400);
  --border:    #333A33;
  --card:      #252A25;
  --card-hover: #2D332D;
  --accent:    #97A38F;
  --accent-soft: rgba(151,163,143,.1);
  --footer-bg: #141814;
  --footer-text: var(--sage-500);
  --footer-heading: var(--sage-300);
  --toggle-bg: #333A33;
  --toggle-icon: var(--sage-300);
}

[data-theme="dark"] .privacy-content h2 { color: var(--sage-200); }

/* ─── Base ─── */
html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .3s, color .3s;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }

/* ─── Nav ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}

.nav-brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 1.1rem; color: var(--text);
}

.nav-brand img { width: 28px; height: 28px; border-radius: 7px; }

.nav-right { display: flex; align-items: center; gap: 24px; }

.nav-links { display: flex; gap: 24px; list-style: none; }

.nav-links a {
  color: var(--text-sub); font-weight: 500; font-size: .88rem;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); text-decoration: none; }

.theme-toggle {
  background: var(--toggle-bg); border: none; cursor: pointer;
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--toggle-icon); transition: background .2s;
}
.theme-toggle:hover { background: var(--border); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon,
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.nav-hamburger {
  display: none; background: none; border: none;
  cursor: pointer; padding: 8px;
}
.nav-hamburger span {
  display: block; width: 20px; height: 2px;
  background: var(--text); margin: 4px 0; border-radius: 2px;
  transition: .3s;
}

/* ─── Hero ─── */
.hero {
  padding: 130px 0 60px;
  text-align: center;
}

.hero-mascot {
  width: 200px; margin: 0 auto 32px;
  filter: drop-shadow(0 12px 32px rgba(75,142,88,.12));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero h1 {
  font-size: 2.75rem; font-weight: 800;
  line-height: 1.1; letter-spacing: -.02em;
  margin-bottom: 16px;
}

.hero .sub {
  font-size: 1.1rem; color: var(--text-sub);
  max-width: 440px; margin: 0 auto 32px;
}

.hero .acronym {
  font-size: .85rem; font-weight: 600;
  color: var(--accent); letter-spacing: .04em;
  margin-bottom: 8px;
}

/* ─── Pipeline ─── */
.pipeline { background: var(--bg-subtle); padding: 64px 0; }

.pipeline h2 {
  font-size: 1.75rem; font-weight: 700; margin-bottom: 32px;
  text-align: center;
}

.steps {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.step {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px 20px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}

.step:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
}

.step-num {
  width: 32px; height: 32px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem; color: #FFF;
  margin-bottom: 14px;
}

.step:nth-child(1) .step-num { background: #7A8672; }
.step:nth-child(2) .step-num { background: #A09070; }
.step:nth-child(3) .step-num { background: #708A8A; }
.step:nth-child(4) .step-num { background: #8A7F8A; }

.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.step p  { color: var(--text-sub); font-size: .95rem; line-height: 1.5; }

/* ─── Powered By ─── */
.powered-by {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  color: var(--text-sub); font-size: .85rem; font-weight: 500;
  margin-bottom: 16px;
}

.powered-by svg { width: 18px; height: 18px; }

.powered-by span:last-child { font-weight: 600; color: var(--text); }

/* ─── Play Store Button ─── */
.play-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: #71AF76; color: #FFF;
  padding: 12px 24px; border-radius: 12px;
  font-weight: 600; font-size: .9rem;
  transition: opacity .2s;
}

.play-btn:hover { opacity: .85; text-decoration: none; }
.play-btn svg { width: 22px; height: 22px; }

/* ─── Screenshots ─── */
.screenshots-track {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 16px; margin-top: 36px;
}

.screenshot-item {
  flex: 0 0 auto;
  width: 180px; border-radius: 16px;
  overflow: hidden; border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
  transition: transform .2s;
  background: var(--card);
}

.screenshot-item:hover { transform: scale(1.03); }
.screenshot-item img { width: 100%; display: block; aspect-ratio: 9 / 19.5; object-fit: cover; }

.screenshots-dark { display: none; }
[data-theme="dark"] .screenshots-light { display: none; }
[data-theme="dark"] .screenshots-dark { display: flex; flex-wrap: wrap; justify-content: center; }

/* ─── Highlights ─── */
.highlights { background: var(--bg-subtle); padding: 64px 0; }

.highlights h2 {
  font-size: 1.75rem; font-weight: 700; margin-bottom: 12px;
  text-align: center;
}

.highlights > .container > p {
  text-align: center; color: var(--text-sub);
  font-size: 1.05rem; margin-bottom: 36px;
}

.highlights-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.hl {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px 24px;
  transition: transform .2s, box-shadow .2s;
}

.hl:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
}

.hl-icon {
  width: 48px; height: 48px; border-radius: 13px;
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}

.hl-icon svg { width: 24px; height: 24px; }

.hl h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 6px; }
.hl p  { color: var(--text-sub); font-size: .95rem; line-height: 1.55; }

/* ─── Info Sections ─── */
.info-section { padding: 64px 0; }
.info-section.alt { background: var(--bg-subtle); }

.info-content { max-width: 680px; margin: 0 auto; }

.info-content h2 {
  font-size: 1.75rem; font-weight: 700; margin-bottom: 12px;
}

.info-content h3 {
  font-size: 1.15rem; font-weight: 700;
  margin-top: 28px; margin-bottom: 8px;
}

.info-content p {
  color: var(--text-sub); font-size: .95rem;
  line-height: 1.65; margin-bottom: 12px;
}

.info-content ol,
.info-content ul {
  color: var(--text-sub); font-size: .95rem;
  line-height: 1.65; margin-bottom: 16px;
  padding-left: 24px;
}

.info-content li { margin-bottom: 6px; }

.info-content code {
  background: var(--bg-subtle); padding: 2px 6px;
  border-radius: 4px; font-size: .88rem;
}

.info-section.alt .info-content code {
  background: var(--card);
}

.info-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

/* ─── Support Links ─── */
.support-links {
  display: flex; gap: 12px; justify-content: center;
  margin-top: 20px;
}

.support-btn {
  display: inline-flex; align-items: center;
  padding: 10px 24px; border-radius: 12px;
  font-weight: 600; font-size: .95rem;
  border: 1px solid var(--border);
  background: var(--card); color: var(--text);
  transition: border-color .2s, box-shadow .2s;
}

.support-btn:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  text-decoration: none;
}

/* ─── Footer ─── */
.footer {
  background: var(--footer-bg); color: var(--footer-text);
  padding: 40px 0 28px;
}

.footer-inner {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 40px; margin-bottom: 28px;
}

.footer-brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 1rem; color: var(--footer-heading);
  margin-bottom: 6px;
}

.footer-brand img { width: 24px; height: 24px; border-radius: 6px; }

.footer-desc { font-size: .88rem; max-width: 280px; line-height: 1.5; }

.footer-links h4 {
  color: var(--footer-heading); font-size: .75rem;
  font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: 10px;
}

.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 6px; }
.footer-links a { color: var(--footer-text); font-size: .9rem; transition: color .2s; }
.footer-links a:hover { color: var(--footer-heading); text-decoration: none; }

.footer-bottom {
  border-top: 1px solid color-mix(in srgb, var(--footer-text) 20%, transparent);
  padding-top: 20px; text-align: center; font-size: .78rem;
}

/* ─── Privacy ─── */
.privacy-page { padding: 100px 0 64px; min-height: 100vh; }

.privacy-content { max-width: 680px; margin: 0 auto; }

.privacy-content h1 { font-size: 2rem; font-weight: 800; margin-bottom: 4px; }

.privacy-updated { color: var(--text-sub); font-size: .85rem; margin-bottom: 32px; }

.privacy-content h2 {
  font-size: 1.15rem; font-weight: 700;
  margin-top: 32px; margin-bottom: 8px; color: var(--accent);
}

.privacy-content p {
  color: var(--text-sub); margin-bottom: 12px;
  font-size: .9rem; line-height: 1.65;
}

.privacy-content ul {
  color: var(--text-sub); margin-bottom: 12px;
  padding-left: 20px; font-size: .9rem; line-height: 1.65;
}
.privacy-content li { margin-bottom: 4px; }

.privacy-content table {
  width: 100%; border-collapse: collapse;
  margin: 12px 0 20px; font-size: .82rem;
}

.privacy-content th {
  background: var(--bg-subtle); text-align: left;
  padding: 8px 12px; font-weight: 600;
  border-bottom: 2px solid var(--border);
  font-size: .75rem; text-transform: uppercase;
  letter-spacing: .04em; color: var(--accent);
}

.privacy-content td {
  padding: 8px 12px; border-bottom: 1px solid var(--border);
  color: var(--text-sub);
}

.privacy-content code {
  background: var(--bg-subtle); padding: 2px 6px;
  border-radius: 4px; font-size: .82rem;
}

.privacy-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: block; }

  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 56px; left: 0; right: 0;
    background: var(--bg); padding: 20px 24px; gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .hero { padding: 100px 0 48px; }
  .hero h1 { font-size: 2rem; }
  .hero-mascot { width: 160px; margin-bottom: 24px; }

  .steps { grid-template-columns: 1fr 1fr; }
  .highlights-grid { grid-template-columns: 1fr 1fr; }

  .screenshot-item { width: 150px; }

  .footer-inner { flex-direction: column; gap: 24px; }
  .privacy-content h1 { font-size: 1.5rem; }

  .privacy-content table { font-size: .75rem; }
  .privacy-content th,
  .privacy-content td { padding: 6px 8px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.65rem; }
  .hero .sub { font-size: .95rem; }
  .play-btn { font-size: .82rem; padding: 10px 18px; }
  .steps { grid-template-columns: 1fr; }
  .highlights-grid { grid-template-columns: 1fr; }
  .screenshot-item { width: 130px; }
  section { padding: 48px 0; }
  .pipeline, .highlights, .info-section { padding: 48px 0; }
}