:root {
  --bg: #ffffff;
  --bg-soft: #f6f8f7;
  --card: #ffffff;
  --border: #e5eae6;
  --text: #101828;
  --muted: #667085;
  --accent: #16a34a;
  --accent-dark: #15803d;
  --accent-soft: #ecfdf3;
  --accent-border: #bbf7d0;
  --shadow-sm: 0 1px 2px rgba(16,24,40,.06);
  --shadow-md: 0 12px 32px -8px rgba(16,24,40,.14);
  --radius: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Noto Sans Arabic", "Noto Sans Thai", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1120px; margin-inline: auto; padding-inline: 24px; }
.section { padding-block: 96px; }
.section.alt { background: var(--bg-soft); }

h2 { font-size: clamp(30px, 4.4vw, 42px); text-align: center; letter-spacing: -.02em; font-weight: 800; }
.section-sub { text-align: center; color: var(--muted); max-width: 620px; margin: 14px auto 56px; font-size: 17px; }

[dir="rtl"] .mock-body pre,
[dir="rtl"] .editor-mock { direction: ltr; text-align: left; }

.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; font-size: 19px; letter-spacing: -.02em; }
.brand-icon { width: 30px; height: 30px; border-radius: 7px; }
.nav-links { display: flex; gap: 34px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; transition: color .18s; }
.nav-links a:hover { color: var(--accent-dark); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.menu-btn { display: none; background: none; border: none; color: var(--text); font-size: 22px; cursor: pointer; }

.lang-wrap { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 12px; font: inherit; font-size: 14px; font-weight: 500;
  color: var(--text); background: transparent;
  border: 1px solid var(--border); border-radius: 999px; cursor: pointer;
  transition: border-color .18s, background .18s;
}
.lang-btn:hover { border-color: var(--accent); background: var(--accent-soft); }
.lang-btn .caret { color: var(--muted); transition: transform .18s; }
.lang-btn.open .caret { transform: rotate(180deg); }
.lang-menu {
  position: absolute; inset-inline-end: 0; top: calc(100% + 8px);
  width: 220px; max-height: 400px; overflow-y: auto;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; box-shadow: var(--shadow-md);
  padding: 6px; list-style: none;
  opacity: 0; transform: translateY(-6px); pointer-events: none;
  transition: opacity .16s ease, transform .16s ease;
}
.lang-menu.open { opacity: 1; transform: none; pointer-events: auto; }
.lang-menu li {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 12px; border-radius: 9px;
  font-size: 14.5px; cursor: pointer; color: var(--text);
}
.lang-menu li:hover { background: var(--bg-soft); }
.lang-menu li.active { color: var(--accent-dark); font-weight: 600; background: var(--accent-soft); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 26px; border-radius: 999px;
  font-size: 15.5px; font-weight: 600; font-family: inherit;
  text-decoration: none; border: none; cursor: pointer;
  transition: transform .16s, box-shadow .2s, background .2s;
}
.btn-primary { background: linear-gradient(180deg, #22c55e, var(--accent)); color: #fff; box-shadow: 0 6px 18px rgba(22,163,74,.30), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(22,163,74,.38), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); background: var(--card); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-dark); }
.btn-lg { padding: 15px 34px; font-size: 16.5px; }
.btn-sm { padding: 9px 20px; font-size: 14px; }

.hero { padding-block: 88px 96px; overflow: hidden; }
.hero-inner { text-align: center; }
.badge {
  display: inline-block; padding: 7px 18px; margin-bottom: 26px;
  background: var(--accent-soft); border: 1px solid var(--accent-border);
  color: var(--accent-dark); border-radius: 999px;
  font-size: 13.5px; font-weight: 600; letter-spacing: .01em;
}
.hero h1 { font-size: clamp(38px, 6.4vw, 64px); font-weight: 800; letter-spacing: -.03em; line-height: 1.08; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(92deg, var(--accent) 10%, #0ea56b 60%, #0d9488);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tagline { color: var(--muted); font-size: clamp(16px, 2vw, 19px); max-width: 680px; margin: 22px auto 36px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.hero-stats {
  display: flex; justify-content: center; gap: clamp(28px, 6vw, 72px);
  margin: 56px auto 64px; flex-wrap: wrap;
}
.stat strong { display: block; font-size: clamp(22px, 3vw, 30px); color: var(--accent-dark); letter-spacing: -.02em; font-weight: 800; }
.stat span { color: var(--muted); font-size: 13.5px; font-weight: 500; }

.editor-mock {
  max-width: 800px; margin-inline: auto; text-align: start;
  direction: ltr;
  background: #0c1420; border-radius: var(--radius);
  overflow: hidden; border: 1px solid #1e2937;
  box-shadow: 0 32px 80px -20px rgba(13, 84, 47, .35), 0 24px 60px rgba(16,24,40,.22);
  font-family: Consolas, "JetBrains Mono", "Courier New", monospace;
}
.mock-titlebar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; background: #111b29; border-bottom: 1px solid #1e2937; }
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #ff5f57; } .dot.yellow { background: #febc2e; } .dot.green { background: #28c840; }
.mock-title { margin-left: 10px; color: #8fa0b3; font-size: 12px; }
.mock-body pre { padding: 18px 20px; font-size: 13.5px; line-height: 1.75; overflow-x: auto; color: #dbe4ee; }
.ln { color: #45586e; user-select: none; margin-right: 16px; }
.kw { color: #ff8f7a; } .str { color: #a5d6ff; } .cmt { color: #64798f; font-style: italic; }
.type { color: #7dd3fc; } .fn { color: #d8b4fe; } .num { color: #fdba74; }
.mock-status { padding: 9px 16px; background: #111b29; border-top: 1px solid #1e2937; color: #8fa0b3; font-size: 12px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .25s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--accent-border); }
.card-icon { font-size: 28px; margin-bottom: 14px; }
.card h3 { font-size: 17.5px; margin-bottom: 8px; letter-spacing: -.01em; }
.card p { color: var(--muted); font-size: 14.5px; }

.ver-badge {
  display: inline-block; background: var(--accent-soft); color: var(--accent-dark);
  border: 1px solid var(--accent-border);
  border-radius: 999px; padding: 4px 16px; font-weight: 700; font-size: 14px;
}
.download-card {
  max-width: 760px; margin-inline: auto;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px 38px;
  box-shadow: var(--shadow-md);
}
.dl-main { display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; }
.dl-os { display: flex; align-items: center; gap: 18px; color: var(--accent); }
.dl-os h3 { font-size: 21px; color: var(--text); letter-spacing: -.01em; }
.dl-os p { color: var(--muted); font-size: 13.5px; }
.dl-meta-row { display: flex; align-items: center; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
.dl-sha { color: var(--muted); font-size: 13px; }
.dl-notes { list-style: none; max-width: 760px; margin: 28px auto 0; display: grid; gap: 10px; color: var(--muted); font-size: 15px; }

.feedback-form {
  max-width: 660px; margin-inline: auto;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 38px 40px;
  box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 22px; }
.form-row label { display: block; font-size: 14px; font-weight: 500; color: var(--text); margin-bottom: 8px; }
.form-row select, .form-row input, .form-row textarea {
  width: 100%; background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border); border-radius: 11px;
  padding: 12px 15px; font-size: 15px; font-family: inherit;
  transition: border-color .18s, box-shadow .18s;
}
.form-row textarea { resize: vertical; min-height: 130px; }
.form-row select:focus, .form-row input:focus, .form-row textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(22,163,74,.15);
}
.form-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.form-actions button { border: none; }
.link-alt { color: var(--accent-dark); font-size: 14px; font-weight: 500; text-decoration: none; }
.link-alt:hover { text-decoration: underline; }
.form-hint { margin-top: 16px; font-size: 14.5px; min-height: 22px; }
.form-hint.ok { color: var(--accent-dark); }
.form-hint.err { color: #dc2626; }

.footer { border-top: 1px solid var(--border); padding-block: 44px; background: var(--bg-soft); }
.footer-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot-brand { display: flex; align-items: center; gap: 8px; font-weight: 800; color: var(--text); font-size: 17px; }
.foot-brand img { width: 24px; height: 24px; border-radius: 6px; }
.foot-tag { color: var(--muted); font-size: 14px; margin-top: 6px; }
.foot-copy { color: var(--muted); font-size: 13.5px; align-self: center; }
.foot-links { display: flex; gap: 26px; align-self: center; }
.foot-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.foot-links a:hover { color: var(--accent-dark); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .nav-links {
    position: absolute; inset-inline: 0; top: 68px;
    background: var(--bg); border-bottom: 1px solid var(--border);
    flex-direction: column; gap: 0; display: none; padding: 10px 0;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 28px; }
  .menu-btn { display: block; }
  .nav-cta, #langCurrent { display: none; }
  .lang-btn { padding: 8px 10px; }
  .dl-main { justify-content: center; text-align: center; }
  .download-card, .feedback-form { padding: 28px 24px; }
  .section { padding-block: 72px; }
}

.modal-overlay{ position:fixed; inset:0; z-index:200; display:flex; align-items:center; justify-content:center; padding:16px; background:rgba(16,24,40,.5); backdrop-filter:blur(6px); opacity:0; pointer-events:none; transition:opacity .18s ease; }
.modal-overlay[hidden]{ display:none; }
.modal-overlay.open{ opacity:1; pointer-events:auto; }
.modal{ position:relative; width:100%; max-width:480px; background:var(--card); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow-md); padding:30px 28px; transform:translateY(8px); transition:transform .18s ease; }
.modal-overlay.open .modal{ transform:none; }
.modal-close{ position:absolute; top:14px; right:16px; border:none; background:transparent; font-size:24px; line-height:1; color:var(--muted); cursor:pointer; }
.modal h3{ font-size:22px; font-weight:800; letter-spacing:-.02em; }
.modal-sub{ color:var(--muted); font-size:14.5px; margin:8px 0 18px; }
.plan-row{ display:flex; gap:12px; margin-bottom:6px; }
.plan-card{ flex:1; display:flex; flex-direction:column; gap:4px; padding:14px 16px; border:1px solid var(--border); border-radius:12px; cursor:pointer; background:var(--card); transition:border-color .16s, background .16s; }
.plan-card.selected{ border-color:var(--accent); background:var(--accent-soft); }
.plan-card input{ position:absolute; opacity:0; pointer-events:none; }
.plan-name{ font-size:15px; font-weight:600; }
.plan-price{ color:var(--accent-dark); font-size:18px; font-weight:800; }
.modal .form-row{ margin-top:14px; }

/* Creem checkout success return banner (injected by main.js) */
.success-banner{
  display:flex; align-items:center; gap:14px;
  max-width:1072px; margin:18px auto 0; padding:14px 20px;
  background:var(--accent-soft); border:1px solid var(--accent-border);
  border-radius:14px;
}
.success-icon{ font-size:24px; line-height:1; }
.success-text{ flex:1; color:var(--accent-dark); font-size:14.5px; line-height:1.55; }
.success-text strong{ font-weight:700; }
.success-close{
  border:none; background:transparent; color:var(--muted);
  font-size:22px; line-height:1; cursor:pointer; padding:2px 6px;
}
.success-close:hover{ color:var(--text); }