/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0d1117;
  --bg2:      #161b22;
  --bg3:      #1c2128;
  --border:   #30363d;
  --text:     #e6edf3;
  --muted:    #8b949e;
  --accent:   #4493f8;
  --accent2:  #3fb950;
  --teal:     #39d3bb;
  --red:      #f85149;
  --radius:   12px;
  --radius-sm: 6px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── Nav ── */
nav {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  height: 60px; display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.logo-icon { font-size: 22px; }
.logo-text { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: -0.5px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.btn-nav {
  background: var(--accent); padding: 6px 16px;
  border-radius: var(--radius-sm); font-size: 14px; font-weight: 500;
  text-decoration: none; transition: opacity .15s;
}
/* Override .nav-links a specificity */
.nav-links .btn-nav,
.nav-links .btn-nav:hover { color: #fff; opacity: 1; }
.btn-nav:hover { opacity: .85; }

/* ── Badge ── */
.badge {
  display: inline-block;
  background: rgba(68,147,248,.15);
  border: 1px solid rgba(68,147,248,.35);
  color: var(--accent); padding: 4px 14px;
  border-radius: 99px; font-size: 13px; font-weight: 500; margin-bottom: 24px;
}
.badge-teal {
  background: rgba(57,211,187,.12);
  border-color: rgba(57,211,187,.3);
  color: var(--teal);
}

/* ── Hero ── */
.hero {
  padding: 80px 24px 60px;
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero h1 { font-size: clamp(36px, 5vw, 56px); font-weight: 800; line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 20px; }
.accent { color: var(--accent); }
.hero-sub { color: var(--muted); font-size: 17px; margin-bottom: 32px; max-width: 480px; }
code { font-family: "SF Mono", "Fira Code", monospace; background: var(--bg3); border: 1px solid var(--border); padding: 1px 6px; border-radius: 4px; font-size: .9em; }
code.uk { color: var(--accent2); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.btn-primary {
  background: var(--accent); color: #fff; padding: 12px 28px;
  border-radius: var(--radius-sm); font-size: 15px; font-weight: 600;
  text-decoration: none; transition: opacity .15s;
}
.btn-primary:hover { opacity: .85; }
.btn-ghost {
  border: 1px solid var(--border); color: var(--text); padding: 12px 28px;
  border-radius: var(--radius-sm); font-size: 15px; font-weight: 500;
  text-decoration: none; transition: border-color .15s, color .15s;
}
.btn-ghost:hover { border-color: var(--muted); }
.hero-note { color: var(--muted); font-size: 13px; }

/* Demo box */
.demo-wrap { display: flex; align-items: center; justify-content: center; }
.demo-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 32px; width: 100%;
}
.demo-label { font-size: 12px; color: var(--muted); margin-bottom: 10px; text-transform: uppercase; letter-spacing: .5px; }
.demo-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.demo-wrong { font-family: monospace; font-size: 18px; color: var(--red); }
.demo-correct { font-family: monospace; font-size: 18px; color: var(--accent2); }
.demo-arrow { color: var(--muted); font-size: 18px; }
.clavi-arrow { color: var(--accent); }
.demo-tag { font-size: 11px; padding: 2px 8px; border-radius: 99px; font-weight: 600; }
.demo-tag.bad { background: rgba(248,81,73,.15); color: var(--red); }
.demo-tag.good { background: rgba(63,185,80,.15); color: var(--accent2); }

/* ── Features ── */
.features { padding: 80px 0; }
.features h2, .mobile-text h2, .platforms h2, .download-section h2,
.packs-section h2 { font-size: clamp(26px,3.5vw,38px); font-weight: 700; letter-spacing: -0.8px; margin-bottom: 12px; }
.section-sub { color: var(--muted); font-size: 16px; margin-bottom: 48px; }
.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px;
}
.feature-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: border-color .2s;
}
.feature-card:hover { border-color: rgba(68,147,248,.4); }
.feature-icon { font-size: 28px; margin-bottom: 14px; }
.feature-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: 14px; line-height: 1.6; }
kbd {
  font-family: monospace; background: var(--bg3); border: 1px solid var(--border);
  border-bottom: 2px solid var(--border); padding: 1px 6px; border-radius: 4px; font-size: .85em;
}
em.uk { color: var(--accent2); font-style: normal; font-family: monospace; }

/* ── Mobile section ── */
.mobile-section { padding: 80px 0; border-top: 1px solid var(--border); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.mobile-text p { color: var(--muted); margin: 16px 0 24px; font-size: 16px; }
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.feature-list li { color: var(--muted); font-size: 14px; padding-left: 20px; position: relative; }
.feature-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent2); font-weight: 700; }

/* Phone mock */
.mobile-visual { display: flex; justify-content: center; }
.phone-mock {
  width: 280px; background: var(--bg3);
  border: 1.5px solid var(--border); border-radius: 32px;
  padding: 16px 12px; box-shadow: 0 24px 60px rgba(0,0,0,.5);
}
.phone-screen { border-radius: 20px; overflow: hidden; background: var(--bg2); }
.phone-textfield {
  padding: 16px 14px; font-size: 14px; color: var(--text);
  min-height: 56px; border-bottom: 1px solid var(--border);
}
.phone-strip {
  display: flex; background: #111820; border-bottom: 1px solid var(--border);
  padding: 6px 8px; gap: 6px;
}
.strip-chip {
  padding: 4px 10px; border-radius: var(--radius-sm); font-size: 12px;
  background: var(--bg3); color: var(--muted); cursor: default;
}
.strip-chip.active { background: rgba(68,147,248,.2); color: var(--accent); }
.phone-keyboard { padding: 8px 4px; background: var(--bg3); display: flex; flex-direction: column; gap: 5px; }
.phone-row { display: flex; justify-content: center; gap: 4px; }
.phone-key {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 0; font-size: 11px; color: var(--text);
  flex: 1; text-align: center; min-width: 0; cursor: default;
}
.phone-key.special { background: #0d1117; color: var(--muted); flex: 1.3; }
.phone-key.special.sm { flex: 1.1; }
.phone-key.space { flex: 4; }

/* ── Privacy ── */
.privacy-section { padding: 48px 0; }
.privacy-card {
  background: rgba(63,185,80,.07); border: 1px solid rgba(63,185,80,.2);
  border-radius: var(--radius); padding: 32px 36px;
  display: flex; gap: 24px; align-items: flex-start;
}
.privacy-icon { font-size: 36px; flex-shrink: 0; }
.privacy-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.privacy-card p { color: var(--muted); font-size: 15px; }

/* ── Platforms ── */
.platforms { padding: 80px 0; border-top: 1px solid var(--border); }
.platform-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px,1fr)); gap: 16px; margin-top: 40px; }
.platform-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 10px;
}
.platform-icon { font-size: 28px; }
.platform-card h3 { font-size: 16px; font-weight: 600; }
.platform-card p { color: var(--muted); font-size: 13px; line-height: 1.5; flex: 1; }
.platform-badge {
  display: inline-block; font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 99px;
}
.platform-badge.free { background: rgba(63,185,80,.15); color: var(--accent2); }
.platform-badge.soon { background: rgba(68,147,248,.12); color: var(--accent); }

/* ── Language packs ── */
.packs-section { padding: 64px 0; border-top: 1px solid var(--border); }
.packs-section .section-sub { margin-bottom: 32px; }
.pack-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.pack-chip {
  padding: 8px 18px; border-radius: 99px; font-size: 14px; font-weight: 500;
  border: 1px solid var(--border); color: var(--muted);
}
.pack-chip.active { background: rgba(63,185,80,.1); border-color: rgba(63,185,80,.35); color: var(--accent2); }
.pack-chip.planned { opacity: .6; }
.pack-chip.contribute {
  background: rgba(68,147,248,.1); border-color: rgba(68,147,248,.3);
  color: var(--accent); cursor: pointer;
}

/* ── Download ── */
.download-section { padding: 80px 0; border-top: 1px solid var(--border); }
.download-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 20px; margin-top: 40px; }
.download-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 14px;
}
.download-card h3 { font-size: 17px; font-weight: 600; }
.download-card p { color: var(--muted); font-size: 14px; }
.code-block {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px; overflow-x: auto;
}
.code-block code {
  background: none; border: none; padding: 0; font-size: 12px;
  color: var(--accent2); display: block; white-space: nowrap;
}
.btn-download {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 10px 20px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; text-decoration: none;
  text-align: center; transition: opacity .15s; margin-top: auto;
}
.btn-download:hover { opacity: .85; }
.btn-download.disabled { background: var(--bg3); color: var(--muted); pointer-events: none; }

/* ── Footer ── */
footer { border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-sub { font-size: 13px; color: var(--muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 14px; transition: color .15s; }
.footer-links a:hover { color: var(--text); }

/* ── Comparison table ── */
.compare-section { padding: 80px 0; border-top: 1px solid var(--border); }
.compare-wrap { overflow-x: auto; margin-top: 40px; border-radius: var(--radius); border: 1px solid var(--border); }
.compare-table {
  width: 100%; border-collapse: collapse;
  font-size: 14px; min-width: 560px;
}
.compare-table thead { background: var(--bg3); }
.compare-table th {
  padding: 14px 16px; text-align: left; font-weight: 600;
  color: var(--muted); font-size: 13px; letter-spacing: .3px;
  border-bottom: 1px solid var(--border);
}
.compare-table th.col-clavi { color: var(--accent); }
.compare-table td {
  padding: 13px 16px; border-bottom: 1px solid var(--border);
  color: var(--muted); line-height: 1.4;
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr:hover td { background: rgba(255,255,255,.02); }
.compare-table td:first-child { color: var(--text); }
.compare-table td.col-clavi { background: rgba(68,147,248,.05); }
.compare-table td.yes { color: var(--accent2); font-weight: 700; text-align: center; }
.compare-table td.no { color: var(--red); text-align: center; opacity: .7; }
.compare-table td.partial { color: #e3b341; text-align: center; }
.compare-table th:not(:first-child) { text-align: center; }
.compare-note {
  margin-top: 20px; color: var(--muted); font-size: 13px;
  line-height: 1.6; max-width: 680px;
}

/* ── Language switcher ── */
.lang-switcher {
  display: flex; gap: 2px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 2px;
}
.lang-btn {
  background: none; border: none; color: var(--muted);
  font-size: 12px; font-weight: 600; padding: 4px 10px;
  border-radius: 4px; cursor: pointer; transition: all .15s;
  font-family: inherit; letter-spacing: .3px;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active { background: var(--accent); color: #fff; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 48px 20px 40px; }
  .demo-wrap { display: none; }
  .two-col { grid-template-columns: 1fr; }
  .mobile-visual { display: none; }
  .nav-links a:not(.btn-nav) { display: none; }
  .privacy-card { flex-direction: column; gap: 16px; }
}