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

:root {
  --bg: #07060e;
  --bg-card: #0d0c18;
  --bg-card-hover: #131126;
  --bg-elevated: #1a1730;
  --text: #e0daf0;
  --text-muted: #7a729a;
  --text-dim: #4a446a;
  --cyan: #00e5ff;
  --magenta: #b366ff;
  --accent: #7c5cfc;
  --accent-2: #b366ff;
  --accent-warm: #ff6e4a;
  --cyan-glow: rgba(0, 229, 255, 0.15);
  --accent-glow: rgba(124, 92, 252, 0.2);
  --border: #1c1840;
  --radius: 10px;
  --radius-lg: 14px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse at 15% 8%, rgba(124, 92, 252, 0.07) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 15%, rgba(0, 229, 255, 0.04) 0%, transparent 50%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  background-attachment: fixed;
}

/* -- Scanlines overlay -- */
.scanlines {
  position: fixed; inset: 0; z-index: 9997;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.02) 2px,
    rgba(0, 0, 0, 0.02) 4px
  );
}

.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }

/* -- Header -- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(7, 6, 14, 0.72);
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 16px;
}

.logo {
  font-size: 1.15rem; font-weight: 800; letter-spacing: -0.3px;
  background: linear-gradient(135deg, var(--cyan), var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.nav { display: flex; align-items: center; gap: 4px; }

.nav a {
  color: var(--text-muted); text-decoration: none; font-size: 0.85rem; font-weight: 500;
  padding: 6px 14px; border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav a:hover { color: var(--text); background: rgba(255,255,255,0.04); }

.nav a.active { color: var(--accent); background: rgba(124,92,252,0.1); }

.lang-switcher {
  display: flex; align-items: center; gap: 2px;
  margin-left: 8px; padding-left: 12px;
  border-left: 1px solid var(--border);
}

.lang-btn {
  background: none; border: none; color: var(--text-dim); cursor: pointer;
  font-size: 0.75rem; padding: 4px 6px; border-radius: 4px;
  transition: color var(--transition), background var(--transition); font-weight: 600;
}

.lang-btn:hover { color: var(--text); background: rgba(255,255,255,0.05); }

.lang-btn.active { color: var(--cyan); background: rgba(0, 229, 255, 0.08); }

/* -- Hero -- */
.hero {
  position: relative; overflow: hidden;
  padding: 50px 24px 100px;
}

.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 600px 400px at 70% 40%, rgba(124, 92, 252, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 30% 60%, rgba(0, 229, 255, 0.05) 0%, transparent 70%),
    radial-gradient(ellipse 300px 300px at 50% 10%, rgba(124, 92, 252, 0.07) 0%, transparent 70%);
}

.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  opacity: 0.04;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.3) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-inner {
  display: grid; grid-template-columns: 1fr 1.7fr; gap: 40px;
  align-items: center; position: relative;
}

.hero-text { padding: 30px 0; }

.hero-badge {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--cyan); background: rgba(0, 229, 255, 0.06);
  border: 1px solid rgba(0, 229, 255, 0.12);
  padding: 5px 16px; border-radius: 4px; margin-bottom: 16px;
  text-shadow: 0 0 12px rgba(0, 229, 255, 0.3);
}

.hero-title {
  font-size: 3.4rem; font-weight: 800; letter-spacing: -1.5px; line-height: 1.05;
  background: linear-gradient(135deg, var(--text) 20%, var(--cyan) 50%, var(--accent-2) 80%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1rem; color: var(--text-muted); line-height: 1.7;
  max-width: 480px; margin-bottom: 30px;
}

.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }

.hero-version { font-size: 0.8rem; color: var(--text-dim); }

/* -- App Mockup (Windows-style) -- */
.hero-visual { perspective: 1000px; }

.mockup {
  background: #0c0b18; border: 1px solid var(--border);
  border-radius: 8px; overflow: hidden;
  box-shadow:
    0 30px 80px rgba(0,0,0,0.6),
    0 0 40px rgba(124, 92, 252, 0.06);
  transform: rotateY(-2deg) rotateX(1deg);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.4s ease;
}

.mockup:hover {
  transform: rotateY(0deg) rotateX(0deg);
  box-shadow:
    0 30px 80px rgba(0,0,0,0.6),
    0 0 60px rgba(124, 92, 252, 0.1);
}

.mockup-titlebar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 12px; height: 34px;
  background: #0f0e1e; border-bottom: 1px solid var(--border);
}

.mockup-titlebar-text {
  font-size: 0.7rem; color: var(--text-dim); font-weight: 600;
}

.mockup-win-btns { display: flex; gap: 0; }

.mockup-win-btn {
  width: 32px; height: 24px; display: flex; align-items: center; justify-content: center;
  font-size: 0.6rem; color: var(--text-dim); cursor: default;
  transition: background 0.15s, color 0.15s;
}

.mockup-win-btn:hover { background: rgba(255,255,255,0.05); }
.mockup-win-btn.close:hover { background: #e81123; color: #fff; }

.mockup-body { display: flex; height: 380px; }

.mockup-sidebar {
  width: 160px; background: rgba(255,255,255,0.02);
  padding: 8px 6px; border-right: 1px solid var(--border);
  flex-shrink: 0;
}

.mockup-sidebar-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.7rem; color: var(--text-muted);
  padding: 6px 8px; border-radius: 4px; margin-bottom: 1px;
  white-space: nowrap;
}

.mockup-sidebar-item.active { background: rgba(124, 92, 252, 0.12); color: var(--text); }

.sidebar-icon { font-size: 0.55rem; width: 14px; text-align: center; }

/* ── Mockup main area ── */
.mockup-main { flex: 1; padding: 0; display: flex; flex-direction: column; }

.mockup-toolbar {
  display: flex; align-items: center;
  padding: 5px 10px; border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.mockup-crumb {
  font-size: 0.6rem; color: var(--text-dim);
}

/* ── Dashboard cards ── */
.mockup-dashboard { padding: 10px 14px; display: flex; flex-direction: column; gap: 10px; flex: 1; }

.mockup-dash-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}

.mockup-dash-card {
  background: rgba(255,255,255,0.015); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 12px;
  display: flex; align-items: center; gap: 8px;
}

.mockup-dash-icon { font-size: 0.75rem; width: 18px; text-align: center; }
.mockup-dash-label { font-size: 0.65rem; color: var(--text-muted); flex: 1; }
.mockup-dash-value { font-size: 0.8rem; font-weight: 700; color: var(--cyan); }

.mockup-quick-actions {
  background: rgba(255,255,255,0.01); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 12px;
  display: flex; align-items: center; gap: 12px;
}

.mockup-qa-label { font-size: 0.6rem; color: var(--text-dim); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }

.mockup-qa-btns { display: flex; gap: 5px; }

.mockup-qa-btn {
  font-size: 0.65rem; padding: 4px 10px; border-radius: 4px;
  border: 1px solid var(--border); color: var(--text-dim); cursor: default;
}

.mockup-qa-btn.accent { color: var(--cyan); border-color: rgba(0, 229, 255, 0.15); }

/* -- Stats -- */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(0, 229, 255, 0.01);
}

.stats-inner {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
}

.stat-item {
  text-align: center; padding: 28px 16px;
  border-right: 1px solid var(--border);
  position: relative;
}

.stat-item:last-child { border-right: none; }

.stat-item::after {
  content: ''; position: absolute; bottom: 0; left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.08), transparent);
}

.stat-value {
  display: block; font-size: 1.3rem; font-weight: 800;
  background: linear-gradient(135deg, var(--cyan), var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 0 12px rgba(0, 229, 255, 0.15));
}

.stat-label { display: block; font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }

/* -- Sections -- */
.section { padding: 90px 24px; }

.section-title {
  text-align: center; font-size: 2rem; font-weight: 700; margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text) 40%, var(--cyan) 70%, var(--accent-2) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center; color: var(--text-muted); font-size: 0.95rem;
  max-width: 560px; margin: 0 auto 50px;
}

.text-accent { color: var(--cyan); font-weight: 700; }

/* -- Problem / Solution -- */
.problem-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}

.problem-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 28px;
  position: relative; overflow: hidden;
}

.problem-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color, var(--border)), transparent);
  opacity: 0.5;
}

.problem-card.bad { --border-color: rgba(255, 71, 87, 0.2); border-color: rgba(255, 71, 87, 0.08); }
.problem-card.good { --border-color: rgba(0, 229, 255, 0.2); border-color: rgba(0, 229, 255, 0.06); background: rgba(0, 229, 255, 0.01); }

.problem-icon { font-size: 2rem; margin-bottom: 12px; display: block; }

.problem-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 14px; }

.problem-card ul { list-style: none; padding: 0; }

.problem-card ul li {
  color: var(--text-muted); font-size: 0.88rem; line-height: 1.6;
  padding: 5px 0; padding-left: 20px; position: relative;
}

.problem-card ul li::before {
  content: '\203a'; position: absolute; left: 0; font-weight: 700;
  font-size: 1.1rem;
}

.problem-card.bad ul li::before { color: #ff4757; }
.problem-card.good ul li::before { color: var(--cyan); }

/* -- Features Grid -- */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px;
}

.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px 26px; cursor: pointer; text-decoration: none; color: inherit; display: block;
  transition: all var(--transition); position: relative; overflow: hidden;
}

.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.15), transparent);
  opacity: 0; transition: opacity var(--transition);
}

.feature-card::after {
  content: '\2192'; position: absolute; right: 20px; top: 50%; translate: 0 -50%;
  font-size: 1.1rem; color: var(--text-dim);
  transition: right var(--transition), color var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 229, 255, 0.15);
  translate: 0 -3px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 30px rgba(124, 92, 252, 0.04);
}

.feature-card:hover::before { opacity: 1; }
.feature-card:hover::after { right: 16px; color: var(--cyan); }

.feature-icon { font-size: 2rem; margin-bottom: 14px; display: block; }

.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }

.feature-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* -- Screenshots -- */
.screenshot-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}

@media (max-width: 768px) {
  .screenshot-grid { grid-template-columns: 1fr; }
}

.screenshot-card { text-align: center; }

.screenshot-frame {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.03), rgba(124, 92, 252, 0.03));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 6px; margin-bottom: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.screenshot-frame:hover { border-color: rgba(0, 229, 255, 0.1); box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 20px rgba(124, 92, 252, 0.03); }

.screenshot-placeholder {
  background: var(--bg); border-radius: 8px;
  aspect-ratio: 16 / 10; display: flex;
  align-items: center; justify-content: center; overflow: hidden;
}

.screenshot-placeholder img { width: 100%; height: 100%; object-fit: cover; cursor: pointer; }

.screenshot-placeholder.placeholder img { cursor: default; }

.placeholder-text {
  position: absolute; color: var(--text-dim); font-size: 0.8rem; font-family: monospace;
  opacity: 0; pointer-events: none;
}

.screenshot-placeholder.placeholder .placeholder-text { opacity: 1; position: static; }

.screenshot-caption { font-size: 0.88rem; color: var(--text-muted); }

/* -- Download -- */
.download { padding-bottom: 60px; }

.download-card {
  max-width: 520px; margin: 0 auto; text-align: center;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.03), rgba(124, 92, 252, 0.02));
  border: 1px solid rgba(0, 229, 255, 0.06);
  border-radius: var(--radius-lg); padding: 48px 36px;
  position: relative;
}

.download-card::before {
  content: ''; position: absolute; top: -1px; left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.15), transparent);
}

.download-info { color: var(--text-muted); margin-bottom: 24px; font-size: 0.95rem; }

.dl-check { color: var(--cyan); margin-right: 2px; }

.download-features {
  display: flex; justify-content: center; gap: 20px; flex-wrap: wrap;
  margin-top: 20px; font-size: 0.82rem; color: var(--text-muted);
}

.download-meta {
  margin-top: 18px; font-size: 0.68rem; color: var(--text-dim); word-break: break-all;
}

.download-meta summary {
  cursor: pointer; color: var(--text-dim); font-size: 0.65rem;
  list-style: none; display: inline-block;
  padding: 4px 10px; border-radius: 4px;
  border: 1px solid var(--border);
  transition: border-color var(--transition), color var(--transition);
}
.download-meta summary::-webkit-details-marker { display: none; }
.download-meta summary:hover { color: var(--text-muted); border-color: rgba(0, 229, 255, 0.1); }
.download-meta[open] summary { margin-bottom: 8px; }
.download-meta code {
  background: var(--bg-card); padding: 2px 8px; border-radius: 4px; font-family: monospace;
}

/* -- Buttons -- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius);
  font-size: 0.92rem; font-weight: 600; text-decoration: none; cursor: pointer;
  transition: all var(--transition); border: none; line-height: 1;
}

.btn:active { transform: scale(0.96); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}

.btn-glow {
  box-shadow: 0 4px 24px var(--accent-glow);
  position: relative;
}
.btn-glow::after {
  content: ''; position: absolute; inset: -1px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--cyan), var(--accent-2));
  opacity: 0; z-index: -1;
  transition: opacity var(--transition);
  filter: blur(8px);
}
.btn-glow:hover::after { opacity: 0.3; }

.btn-primary:hover {
  background: linear-gradient(135deg, #8a6cff, #c07aff);
  translate: 0 -2px;
  box-shadow: 0 6px 32px var(--accent-glow), 0 0 40px rgba(124, 92, 252, 0.1);
}

.btn-lg { padding: 14px 32px; font-size: 1rem; }

.btn-outline {
  background: rgba(255,255,255,0.02); color: var(--text); border: 1px solid var(--border);
}

.btn-outline:hover { background: rgba(255,255,255,0.04); border-color: rgba(0, 229, 255, 0.15); }

.btn-donate {
  background: var(--accent-warm); color: #fff;
  box-shadow: 0 4px 16px rgba(255, 110, 74, 0.25);
}

.btn-donate:hover { background: #ff8055; translate: 0 -2px; }

/* -- Donate -- */
.donate { text-align: center; }

.donate p { color: var(--text-muted); margin-bottom: 4px; }

.donate-options { margin-top: 24px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.donate-toggle.active { translate: 0 -2px; }
.donate-toggle.active.btn-outline { border-color: rgba(0, 229, 255, 0.35); background: rgba(255,255,255,0.05); }

.donate-panels { display: flex; justify-content: center; }

.donate-panel {
  display: none;
  width: 100%; max-width: 520px;
  margin: 22px auto 0;
  text-align: left;
}
.donate-panel.open {
  display: block;
  animation: donateReveal 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes donateReveal {
  from { opacity: 0; translate: 0 -8px; }
  to   { opacity: 1; translate: 0 0; }
}

.donate-card-inner {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px;
  display: flex; gap: 22px; align-items: flex-start;
}

.donate-qr {
  flex-shrink: 0;
  background: #fff; border-radius: 12px; padding: 10px;
  line-height: 0;
}
.donate-qr img { display: block; border-radius: 4px; }

.donate-fields { flex: 1; min-width: 0; }
.donate-fields-full { width: 100%; }

.donate-badge {
  display: inline-block; font-size: 0.64rem; font-weight: 700;
  padding: 3px 10px; border-radius: 20px; margin-bottom: 12px;
  letter-spacing: 0.3px;
}
.donate-badge-cyan { background: rgba(0, 229, 255, 0.12); color: var(--cyan); }
.donate-badge-magenta { background: rgba(179, 102, 255, 0.14); color: var(--accent-2); }

.copy-label {
  font-size: 0.62rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 1px;
  margin: 10px 0 5px;
}
.copy-label:first-of-type { margin-top: 0; }

.copy-row { display: flex; align-items: stretch; gap: 8px; }

.copy-value {
  flex: 1; min-width: 0;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 9px 11px;
  font-family: monospace; font-size: 0.74rem; color: var(--text);
  word-break: break-all; display: flex; align-items: center;
}

.copy-btn {
  flex-shrink: 0;
  background: rgba(255,255,255,0.02); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); cursor: pointer;
  padding: 0 13px; font-size: 0.9rem; line-height: 1;
  transition: all var(--transition);
}
.copy-btn:hover { background: rgba(255,255,255,0.06); border-color: rgba(0, 229, 255, 0.2); }
.copy-btn.copied { background: rgba(0, 229, 255, 0.14); border-color: var(--cyan); color: var(--cyan); }

.copy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.donate-note {
  font-size: 0.68rem; color: var(--text-muted);
  margin-top: 12px; line-height: 1.5;
}

.donate-toast {
  position: fixed; left: 50%; bottom: 28px; translate: -50% 20px;
  z-index: 10001;
  background: var(--bg-elevated); border: 1px solid rgba(0, 229, 255, 0.3);
  color: var(--text); font-size: 0.85rem; font-weight: 600;
  padding: 12px 22px; border-radius: 30px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 24px rgba(0, 229, 255, 0.12);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition), translate var(--transition);
}
.donate-toast.show { opacity: 1; translate: -50% 0; }

@media (max-width: 560px) {
  .donate-card-inner { flex-direction: column; align-items: center; }
  .donate-fields { width: 100%; }
}

/* -- Thank-you Modal -- */
.thankyou-overlay {
  position: fixed; inset: 0; z-index: 9998;
  background: rgba(7, 6, 14, 0.88);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease;
}
.thankyou-overlay.open { opacity: 1; pointer-events: all; }

.thankyou-modal {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 48px 40px 36px;
  max-width: 460px; width: 90%; text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
  position: relative;
  max-height: 90vh; overflow-y: auto;
}

.thankyou-modal .donate-panel { margin-top: 18px; }
.thankyou-modal .donate-card-inner {
  flex-direction: column; align-items: center; padding: 18px;
}
.thankyou-modal .donate-fields { width: 100%; }
.thankyou-modal .thankyou-links { margin-top: 18px; }

.thankyou-close {
  position: absolute; top: 12px; right: 16px;
  background: none; border: none; color: var(--text-dim); font-size: 1.6rem;
  cursor: pointer; padding: 4px 8px; line-height: 1;
  transition: color var(--transition);
}
.thankyou-close:hover { color: var(--text); }

.thankyou-icon { font-size: 3rem; margin-bottom: 12px; }

.thankyou-modal h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 10px; }

.thankyou-modal p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; }

.thankyou-links {
  display: flex; flex-direction: column; gap: 10px;
  margin-top: 24px;
}

.thankyou-links .btn { justify-content: center; }

/* -- Lightbox -- */
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.93); display: flex; align-items: center; justify-content: center;
  cursor: zoom-out; opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.lightbox-overlay.open { opacity: 1; pointer-events: all; }
.lightbox-overlay img {
  max-width: 92vw; max-height: 92vh; object-fit: contain;
  border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.lightbox-close {
  position: fixed; top: 16px; left: 16px; z-index: 10000;
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px; color: var(--text); font-size: 1.2rem; cursor: pointer;
  transition: background 0.2s, border-color 0.2s; opacity: 0; pointer-events: none;
}

.lightbox-overlay.open .lightbox-close {
  opacity: 1; pointer-events: all;
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.15);
}

/* -- Scroll Reveal -- */
.reveal {
  opacity: 0; translate: 0 30px;
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              translate 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible { opacity: 1; translate: 0 0; }

/* -- Footer -- */
.footer {
  border-top: 1px solid var(--border); padding: 28px 24px;
}

.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.82rem; color: var(--text-dim); flex-wrap: wrap; gap: 8px;
}

.footer-inner a { color: var(--text-muted); text-decoration: none; transition: color var(--transition); }

.footer-inner a:hover { color: var(--text); }

.footer-links { display: flex; gap: 18px; }

/* -- About page -- */
.about-hero { text-align: center; padding: 90px 24px 50px; }

.about-hero h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 10px; }

.about-hero p { color: var(--text-muted); font-size: 1rem; max-width: 500px; margin: 0 auto; }

.about-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px;
  margin-top: 40px;
}

.about-stat {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px 24px; text-align: center;
}

.about-stat .value { font-size: 2rem; font-weight: 800; color: var(--accent); display: block; }

.about-stat .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

.about-section { margin-top: 60px; }

.about-section h2 { font-size: 1.4rem; font-weight: 700; margin-bottom: 16px; }

.about-section p, .about-section li { color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; }

.about-section ul { list-style: none; padding: 0; }

.about-section ul li::before { content: '\203a '; color: var(--accent); font-weight: 700; }

.license-box {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; margin-top: 16px; font-size: 0.88rem; color: var(--text-muted); line-height: 1.8;
}

/* -- Feature detail page -- */
.feature-detail-hero {
  text-align: center; padding: 80px 24px 40px;
}

.feature-detail-hero .back-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-muted); text-decoration: none; font-size: 0.88rem;
  margin-bottom: 24px; transition: color var(--transition);
}

.feature-detail-hero .back-link:hover { color: var(--cyan); }

.feature-detail-hero h1 { font-size: 2.6rem; font-weight: 800; margin-bottom: 10px; }

.feature-detail-hero p { color: var(--text-muted); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }

.feature-detail-content { max-width: 720px; margin: 0 auto; padding: 0 24px 80px; }

.feature-detail-content h2 { font-size: 1.3rem; font-weight: 700; margin: 40px 0 12px; }

.feature-detail-content p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; margin-bottom: 16px; }

.feature-detail-content ul { list-style: none; padding: 0; margin-bottom: 16px; }

.feature-detail-content ul li {
  color: var(--text-muted); font-size: 0.92rem; line-height: 1.7;
  padding: 4px 0; padding-left: 20px; position: relative;
}

.feature-detail-content ul li::before {
  content: '\203a'; position: absolute; left: 0; color: var(--accent); font-weight: 700; font-size: 1.1rem;
}

.feature-detail-screenshots {
  display: grid; grid-template-columns: 1fr; gap: 20px; margin: 30px 0;
}

.feature-detail-screenshots .screenshot-placeholder {
  aspect-ratio: 16 / 9;
}

/* -- Language page -- */
.lang-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 30px; }

.lang-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; text-align: center;
}

.lang-card .lang-name { font-size: 1.05rem; font-weight: 600; }

.lang-card .lang-native { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

.lang-card .lang-status {
  display: inline-block; margin-top: 8px; font-size: 0.75rem; padding: 2px 10px;
  border-radius: 20px; background: rgba(0, 229, 255, 0.08); color: var(--cyan);
}

/* -- Responsive -- */
@media (max-width: 800px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
}

@media (max-width: 700px) {
  .hero-title { font-size: 2.4rem; }
  .header-inner { flex-wrap: wrap; height: auto; padding: 10px 0; gap: 8px; }
  .nav { flex-wrap: wrap; gap: 4px; }
  .nav a { font-size: 0.8rem; padding: 4px 10px; }
  .lang-switcher { margin-left: 0; padding-left: 0; border-left: none; }
  .features-grid, .screenshot-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr 1fr; }
  .lang-list { grid-template-columns: 1fr 1fr; }
  .btn-lg { padding: 12px 22px; font-size: 0.9rem; }
  .download-card { padding: 32px 20px; }
  .download-features { gap: 10px; font-size: 0.78rem; }
}

@media (max-width: 450px) {
  .about-grid { grid-template-columns: 1fr; }
  .lang-list { grid-template-columns: 1fr; }
  .donate-options { flex-direction: column; align-items: center; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
}