/* ===========================
   keyboard-arabic.org — Minimalist Design
   Mobile-First Optimized
   =========================== */

/* Google Fonts loaded via <link> in HTML — no @import to avoid render-blocking */

:root {
  --bg:         #fafaf9;
  --bg2:        #f3f2f0;
  --surface:    #ffffff;
  --border:     #e5e3df;
  --border-strong: #c9c5be;
  --text:       #18181b;
  --text-2:     #52525b;
  --muted:      #a1a1aa;
  --accent:     #1a6fe8;
  --brand:      #1a6fe8;
  --accent-dim: rgba(26,111,232,.08);
  --accent-mid: rgba(26,111,232,.18);
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
  --shadow:     0 4px 16px rgba(0,0,0,.07),0 1px 3px rgba(0,0,0,.04);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.10),0 2px 8px rgba(0,0,0,.05);
  --radius-sm:  6px;
  --radius:     12px;
  --radius-lg:  18px;
  --font-head:  'Instrument Serif',Georgia,serif;
  --font-body:  'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-arabic:'Noto Naskh Arabic','Amiri','Arial Unicode MS',Arial,sans-serif;
  --ease:       cubic-bezier(.25,.46,.45,.94);
  --transition: .22s var(--ease);
}

[data-theme="dark"] {
  --bg:         #0f0f0f;
  --bg2:        #161616;
  --surface:    #1c1c1c;
  --border:     #2a2a2a;
  --border-strong: #3f3f3f;
  --text:       #fafafa;
  --text-2:     #a8a8a8;
  --muted:      #5a5a5a;
  --accent:     #4a8ff5;
  --brand:      #4a8ff5;
  --accent-dim: rgba(74,143,245,.1);
  --accent-mid: rgba(74,143,245,.2);
  --shadow-sm:  0 1px 3px rgba(0,0,0,.3);
  --shadow:     0 4px 20px rgba(0,0,0,.4);
  --shadow-lg:  0 12px 48px rgba(0,0,0,.5);
}

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

html {
  scroll-behavior:smooth;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}

body {
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  transition:background var(--transition),color var(--transition);
  min-height:100vh;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* ─── Navigation ─── */
nav {
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(24px) saturate(1.5);
  -webkit-backdrop-filter:blur(24px) saturate(1.5);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 var(--border),0 2px 12px rgba(0,0,0,.04);
  transition:background var(--transition),border-color var(--transition);
}

[data-theme="dark"] nav{background:rgba(15,15,15,.85)}

.nav-inner {
  max-width:1160px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;height:56px;
}

.logo {
  font-family:var(--font-body);
  font-size:.9rem;font-weight:600;
  color:var(--text);text-decoration:none;
  display:flex;align-items:center;gap:10px;
  letter-spacing:-.02em;
}

.logo-icon {
  width:28px;height:28px;
  border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;overflow:hidden;background:none;
}

.logo-icon svg{width:28px;height:28px}

.nav-links{display:none;list-style:none}

.nav-links a {
  font-size:.825rem;font-weight:500;
  color:var(--text-2);text-decoration:none;
  transition:color var(--transition);
  letter-spacing:-.005em;
}

.nav-links a:hover{color:var(--text)}

.nav-right{display:flex;align-items:center;gap:10px}

/* ─── Theme Toggle ─── */
.theme-toggle {
  width:72px;height:34px;
  background:var(--bg2);
  border:1.5px solid var(--border-strong);
  border-radius:34px;
  cursor:pointer;position:relative;
  transition:background var(--transition),border-color var(--transition);
  flex-shrink:0;
  display:flex;align-items:center;
  padding:0 6px;justify-content:space-between;
}

.theme-toggle::after {
  content:'';
  position:absolute;top:4px;left:4px;
  width:24px;height:24px;
  background:var(--surface);
  border-radius:50%;
  transition:transform var(--transition);
  box-shadow:0 1px 4px rgba(0,0,0,.18);
  z-index:1;
}

[data-theme="dark"] .theme-toggle{background:#1e2a3a;border-color:#2d3f55}
[data-theme="dark"] .theme-toggle::after{transform:translateX(36px);background:#2a3f5a}

.theme-icon {
  display:flex;align-items:center;justify-content:center;
  width:20px;height:20px;
  position:relative;z-index:0;
  pointer-events:none;color:var(--muted);flex-shrink:0;
}

.theme-icon svg{width:13px;height:13px}

[data-theme="dark"] .theme-icon.moon{color:#7ab3e8}
[data-theme="light"] .theme-icon.sun{color:#e8a020}

/* ─── Hamburger ─── */
.nav-hamburger {
  display:flex;align-items:center;
  background:none;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:6px 10px;
  cursor:pointer;color:var(--text);
  font-size:1.1rem;line-height:1;
}

/* ─── Mobile Menu ─── */
.nav-mobile-menu {
  display:none;
  position:fixed;
  top:56px;left:0;right:0;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow);
  z-index:99;padding:12px 0 16px;
}

.nav-mobile-menu.open{display:block}

.nav-mobile-menu ul {
  list-style:none;padding:0 16px;
  display:flex;flex-direction:column;gap:2px;
}

.nav-mobile-menu ul li a {
  display:block;padding:12px 8px;
  font-size:.9rem;font-weight:500;
  color:var(--text-2);text-decoration:none;
  border-radius:var(--radius-sm);
  transition:background var(--transition),color var(--transition);
}

.nav-mobile-menu ul li a:hover{background:var(--bg2);color:var(--text)}

/* ─── Hero ─── */
.hero {
  max-width:1160px;margin:0 auto;
  padding:40px 16px;
  display:flex;flex-direction:column;align-items:center;
  gap:28px;text-align:center;
}

.hero-badge {
  display:inline-flex;align-items:center;gap:7px;
  background:var(--accent-dim);color:var(--accent);
  border:1px solid var(--accent-mid);
  padding:4px 12px;border-radius:100px;
  font-size:.72rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;margin-bottom:16px;
}

.hero-badge::before{content:'';width:5px;height:5px;background:var(--accent);border-radius:50%}

h1 {
  font-family:var(--font-head);
  font-size:clamp(2rem,9vw,2.6rem);
  font-weight:400;line-height:1.1;
  letter-spacing:-.01em;margin-bottom:20px;color:var(--text);
}

h1 em{font-style:italic;color:var(--accent)}

.hero-desc {
  font-size:.9rem;color:var(--text-2);
  max-width:480px;margin:0 auto;
  line-height:1.7;font-weight:400;
}

/* ─── Tool Wrap ─── */
.tool-wrap {
  width:100%;max-width:1100px;
  margin:0 auto;padding:0 16px 48px;
}

.tool-panel {
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
}

.panel-header {
  padding:16px 20px;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  background:var(--bg2);
}

.panel-title {
  font-size:.8rem;font-weight:600;
  color:var(--text);letter-spacing:.03em;text-transform:uppercase;
}

.panel-meta{font-size:.75rem;color:var(--muted);font-weight:500}

.panel-body{padding:20px}

/* ─── Arabic Text Area ─── */
textarea#arabicOutput {
  width:100%;min-height:130px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  outline:none;resize:vertical;
  padding:16px 20px;
  font-family:var(--font-arabic);
  font-size:1.5rem;line-height:2;
  color:var(--text);direction:rtl;text-align:right;
  transition:border-color var(--transition),box-shadow var(--transition);
  margin-bottom:20px;
}

textarea#arabicOutput:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}

textarea#arabicOutput::placeholder{color:var(--muted);font-size:1rem;direction:rtl}

/* ─── Virtual Keyboard ─── */
.vkb-wrap{margin-top:4px;user-select:none;overflow-x:auto;padding-bottom:6px}

.vkb-row {
  display:flex;justify-content:center;align-items:flex-end;
  gap:4px;margin-bottom:4px;flex-wrap:nowrap;
  min-width:560px;
}

.vkb-row-fn{margin-bottom:8px}
.vkb-row-bottom{align-items:center}

/* Base key */
.vkb-key {
  min-width:34px;height:40px;
  background:var(--surface);
  border:1px solid var(--border);
  border-bottom:3px solid var(--border-strong);
  border-radius:var(--radius-sm);
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  cursor:pointer;
  transition:background .08s ease,transform .08s ease,box-shadow .08s ease;
  user-select:none;position:relative;
  padding:0 5px;
  box-shadow:0 2px 0 var(--border-strong);
  flex-shrink:0;
}

.vkb-key:hover {
  background:var(--accent-dim);
  border-color:var(--accent);
  border-bottom-color:#1055c0;
  box-shadow:0 2px 0 #1055c0;z-index:1;
}

.vkb-key.key-pressed,.vkb-key:active {
  transform:translateY(2px);
  box-shadow:0 0 0 var(--border-strong);
  border-bottom-width:1px;background:var(--bg2);
}

.vkb-key.key-active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}

/* Arabic letter keys */
.vkb-key .ar {
  font-family:var(--font-arabic);
  font-size:1rem;line-height:1;color:var(--text);display:block;
}

.vkb-key:hover .ar{color:var(--accent)}

.vkb-key .lat {
  display:none;
  font-family:var(--font-body);
  font-size:.5rem;font-weight:600;
  color:var(--muted);line-height:1;margin-top:2px;text-transform:uppercase;
}

/* Number row keys */
.vkb-key-num {
  min-width:38px;height:44px;
  justify-content:space-between;padding:4px 6px 3px;
}

.vkb-key-num .top-ar {
  font-family:var(--font-body);
  font-size:.55rem;font-weight:500;color:var(--text-2);align-self:flex-start;
}

.vkb-key-num .bot-ar {
  font-family:var(--font-arabic);
  font-size:1rem;color:var(--text);align-self:flex-end;line-height:1;
}

.vkb-key-num .lat{display:none}

/* Function keys */
.vkb-key-fn {
  min-width:28px;height:30px;
  font-family:var(--font-body);font-size:.52rem;font-weight:600;
  color:var(--text-2);letter-spacing:.02em;
}

.vkb-key-fn:hover{color:var(--accent)}

/* Wide utility keys */
.vkb-key-wide {
  min-width:56px;
  font-family:var(--font-body);font-size:.58rem;font-weight:600;
  color:var(--text-2);letter-spacing:.02em;flex-direction:row;gap:4px;
}

.vkb-key-wide:hover{color:var(--accent)}

/* Delete / Backspace */
.vkb-key-del {
  background:#fff5f5;border-color:#fecaca;
  border-bottom-color:#f87171;box-shadow:0 2px 0 #f87171;color:#dc2626;
}

[data-theme="dark"] .vkb-key-del{background:#2d1515;border-color:#6b2020;border-bottom-color:#8b3030;box-shadow:0 2px 0 #8b3030;color:#f87171}

.vkb-key-del:hover{background:#ef4444;border-color:#ef4444;border-bottom-color:#b91c1c;box-shadow:0 2px 0 #b91c1c;color:#fff}

/* Enter key */
.vkb-key-enter {
  min-width:68px;
  background:#f0fdf4;border-color:#86efac;
  border-bottom-color:#16a34a;box-shadow:0 2px 0 #16a34a;color:#15803d;
  font-family:var(--font-body);font-size:.58rem;font-weight:600;flex-direction:row;gap:4px;
}

[data-theme="dark"] .vkb-key-enter{background:#0d2d1a;border-color:#1a5c34;border-bottom-color:#16a34a;box-shadow:0 2px 0 #16a34a;color:#4ade80}

.vkb-key-enter:hover{background:#22c55e;border-color:#22c55e;border-bottom-color:#15803d;box-shadow:0 2px 0 #15803d;color:#fff}

/* Action keys (Tab, CapsLock) */
.vkb-key-action {
  min-width:56px;background:var(--bg2);
  font-family:var(--font-body);font-size:.58rem;font-weight:600;
  color:var(--text-2);flex-direction:row;gap:4px;
}

/* Real Shift key (left) */
.vkb-key-real-shift {
  min-width:64px;background:var(--bg2);
  border-color:var(--border);border-bottom-color:var(--border-strong);
  box-shadow:0 2px 0 var(--border-strong);color:var(--text-2);
  font-family:var(--font-body);font-size:.58rem;font-weight:700;
  flex-direction:row;gap:5px;
}

.vkb-key-real-shift:hover{background:var(--accent-dim);border-color:var(--accent);border-bottom-color:#1055c0;box-shadow:0 2px 0 #1055c0;color:var(--accent)}

.vkb-key-real-shift.key-active{background:var(--accent);border-color:var(--accent);border-bottom-color:#1055c0;box-shadow:0 2px 0 #1055c0;color:#fff}

/* Search (right shift) key */
.vkb-key-search {
  min-width:64px;background:#fffbf0;
  border-color:#fde68a;border-bottom-color:#d97706;
  box-shadow:0 2px 0 #d97706;color:#92400e;
  font-family:var(--font-body);font-size:.58rem;font-weight:600;
  flex-direction:row;gap:5px;
}

[data-theme="dark"] .vkb-key-shift{background:#2d2000;border-color:#7a5500;border-bottom-color:#d97706;box-shadow:0 2px 0 #d97706;color:#fbbf24}

.vkb-key-shift:hover{background:#f59e0b;border-color:#f59e0b;border-bottom-color:#b45309;box-shadow:0 2px 0 #b45309;color:#fff}

.shift-icon{font-size:.85rem}
.shift-label{font-size:.58rem;font-weight:700}

/* Modifier keys */
.vkb-key-mod {
  min-width:40px;background:var(--bg2);
  font-family:var(--font-body);font-size:.58rem;font-weight:700;
  color:var(--text-2);letter-spacing:.03em;
}

.vkb-key-win{min-width:40px;color:#0078d4}
[data-theme="dark"] .vkb-key-win{color:#4a9fe8}

/* Space bar */
.vkb-key-space {
  min-width:160px;
  font-family:var(--font-body);font-size:.7rem;font-weight:600;
  color:var(--text-2);letter-spacing:.08em;text-transform:uppercase;flex-direction:row;
}

/* Arrow keys */
.vkb-arrows{display:flex;flex-direction:column;gap:3px;align-items:center}
.arrow-row{display:flex;gap:3px}

.vkb-key-arrow{min-width:38px;height:38px;font-size:.75rem;color:var(--text-2)}

/* Scroll wrapper */
.vkb-scroll{overflow-x:auto;padding-bottom:6px}
.vkb-scroll::-webkit-scrollbar{height:4px}
.vkb-scroll::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:2px}

/* Search bar */
.search-bar {
  margin-top:12px;
  background:var(--accent-dim);border:1px solid var(--accent-mid);
  border-radius:var(--radius-sm);padding:10px 16px;
  align-items:center;gap:10px;flex-wrap:wrap;
  animation:fadeUp .2s ease both;
}

.search-bar-inner{display:flex;align-items:center;gap:10px;width:100%;flex-wrap:wrap}
.search-label{font-size:.8rem;font-weight:600;color:var(--accent);white-space:nowrap}

.search-query {
  font-family:var(--font-arabic);font-size:.9rem;
  direction:rtl;color:var(--text);
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:4px 10px;
  flex:1;min-width:100px;max-width:400px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

.search-go {
  background:var(--accent);color:#fff;border:none;
  border-radius:var(--radius-sm);padding:6px 16px;
  font-family:var(--font-body);font-size:.8rem;font-weight:600;
  cursor:pointer;transition:opacity var(--transition);
}

.search-go:hover{opacity:.85}

.search-cancel {
  background:none;border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:6px 10px;
  font-size:.8rem;color:var(--muted);cursor:pointer;
  transition:color var(--transition);
}

.search-cancel:hover{color:var(--text)}

/* ─── Options Bar ─── */
.options-bar{max-width:1100px;margin:0 auto;padding:0 16px 16px}

.options-card {
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow-sm);
}

.options-title {
  font-size:.75rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted);margin-bottom:14px;
}

.options-grid{display:flex;flex-wrap:wrap;gap:10px}

.opt-toggle {
  display:flex;align-items:center;gap:8px;
  background:var(--bg2);border:1px solid var(--border);
  border-radius:100px;padding:7px 14px;
  cursor:pointer;font-size:.8rem;font-weight:500;
  color:var(--text-2);transition:all var(--transition);user-select:none;
}

.opt-toggle:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}
.opt-toggle.active{background:var(--accent);border-color:var(--accent);color:#fff}
.opt-toggle .icon{font-size:.9rem}

/* ─── Action Bar ─── */
.action-bar {
  max-width:1100px;margin:0 auto;
  padding:0 16px 20px;
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}

.btn-primary {
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;
  border:none;border-radius:var(--radius-sm);
  padding:11px 24px;width:100%;justify-content:center;
  font-family:var(--font-body);font-weight:600;font-size:.875rem;
  cursor:pointer;letter-spacing:-.01em;
  transition:opacity var(--transition),transform var(--transition);
}

.btn-primary:hover{opacity:.88;transform:translateY(-1px)}

.btn-secondary {
  display:inline-flex;align-items:center;gap:7px;
  background:var(--bg2);border:1px solid var(--border);
  color:var(--text-2);border-radius:var(--radius-sm);
  padding:11px 20px;width:100%;justify-content:center;
  font-family:var(--font-body);font-weight:500;font-size:.875rem;
  cursor:pointer;letter-spacing:-.01em;transition:all var(--transition);
}

.btn-secondary:hover{border-color:var(--border-strong);color:var(--text)}

.btn-copy {
  display:inline-flex;align-items:center;gap:7px;
  background:var(--bg2);border:1px solid var(--border);
  color:var(--text-2);border-radius:var(--radius-sm);
  padding:11px 20px;width:100%;justify-content:center;
  font-family:var(--font-body);font-weight:500;font-size:.875rem;
  cursor:pointer;transition:all var(--transition);
}

.btn-copy:hover{border-color:var(--accent);color:var(--accent)}
.btn-copy.copied{background:#f0fdf4;border-color:#86efac;color:#15803d}

/* ─── Stats Bar ─── */
.stats-bar {
  max-width:1100px;margin:0 auto;
  padding:0 16px 48px;display:flex;gap:12px;flex-wrap:wrap;
}

.stat-chip {
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:7px 14px;
  font-size:.775rem;color:var(--muted);font-weight:500;
  display:flex;align-items:center;gap:6px;
}

.stat-chip strong{color:var(--accent)}

/* ─── Sections ─── */
.section{padding:48px 16px;border-top:1px solid var(--border)}
.section-inner{max-width:1100px;margin:0 auto}

.section-label {
  font-size:.72rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.08em;
  color:var(--accent);margin-bottom:10px;
}

.section-title {
  font-family:var(--font-head);
  font-size:clamp(1.9rem,3.5vw,2.9rem);
  font-weight:400;line-height:1.15;
  letter-spacing:-.01em;margin-bottom:14px;
}

.section-desc{font-size:.95rem;color:var(--text-2);max-width:520px;line-height:1.7}

.features-grid {
  display:grid;grid-template-columns:1fr;
  gap:20px;margin-top:28px;
}

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

.feat-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}

.feat-icon {
  width:44px;height:44px;background:var(--accent-dim);
  border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;margin-bottom:16px;border:1px solid var(--accent-mid);
}

.feat-title{font-weight:600;font-size:.95rem;margin-bottom:8px;letter-spacing:-.01em}
.feat-desc{font-size:.825rem;color:var(--text-2);line-height:1.65}

/* ─── Steps ─── */
.steps {
  display:grid;grid-template-columns:1fr;
  gap:0;margin-top:28px;
  border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;
}

.step {
  padding:32px 28px;
  border-bottom:1px solid var(--border);background:var(--surface);
}

.step:last-child{border-bottom:none}

.step-num {
  font-family:var(--font-head);
  font-size:2.2rem;color:var(--accent);
  font-weight:400;line-height:1;margin-bottom:14px;opacity:.6;
}

.step-title{font-weight:600;font-size:.95rem;margin-bottom:8px}
.step-desc{font-size:.825rem;color:var(--text-2);line-height:1.65}

/* ─── FAQ ─── */
.faq-list{margin-top:40px;display:flex;flex-direction:column;gap:2px}

.faq-item {
  border:1px solid var(--border);
  border-radius:var(--radius-sm);overflow:hidden;
  background:var(--surface);transition:border-color var(--transition);
}

.faq-item.open{border-color:var(--accent)}

.faq-q {
  padding:18px 22px;font-weight:600;font-size:.9rem;
  cursor:pointer;display:flex;justify-content:space-between;
  align-items:center;gap:12px;user-select:none;
}

.faq-q:hover{background:var(--bg2)}

.faq-chevron{flex-shrink:0;transition:transform var(--transition);color:var(--muted);font-size:.75rem}
.faq-item.open .faq-chevron{transform:rotate(180deg);color:var(--accent)}

.faq-a{
  display:none;padding:0 22px 18px;
  font-size:.875rem;color:var(--text-2);line-height:1.75;
}

.faq-item.open .faq-a{display:block}

/* ─── CTA ─── */
.cta-banner{background:var(--accent);padding:48px 16px;text-align:center;color:#fff}

.cta-banner h2 {
  font-family:var(--font-head);
  font-size:clamp(2rem,4vw,3rem);
  font-weight:400;margin-bottom:14px;line-height:1.15;color:#fff;
}

.cta-banner p{opacity:.88;font-size:.95rem;margin-bottom:28px}

.cta-btn-white {
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--accent);
  border:none;border-radius:var(--radius-sm);
  padding:13px 28px;width:100%;justify-content:center;
  font-family:var(--font-body);font-weight:600;font-size:.9rem;
  cursor:pointer;text-decoration:none;
  transition:opacity var(--transition),transform var(--transition);
}

.cta-btn-white:hover{opacity:.9;transform:translateY(-1px)}

/* ─── Footer ─── */
footer{background:var(--bg2);border-top:1px solid var(--border);padding:40px 16px 80px}

.footer-inner {
  max-width:1160px;margin:0 auto;
  display:grid;grid-template-columns:1fr;
  gap:32px;margin-bottom:40px;
}

.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:.825rem;color:var(--text-2);line-height:1.7;max-width:280px}

.footer-col h3,.footer-col h4 {
  font-weight:600;font-size:.8rem;
  text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted);margin-bottom:14px;
}

.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}

.footer-col a{font-size:.825rem;color:var(--text-2);text-decoration:none;transition:color var(--transition)}
.footer-col a:hover{color:var(--text)}

.footer-bottom {
  max-width:1160px;margin:0 auto;
  padding-top:24px;border-top:1px solid var(--border);
  display:flex;flex-direction:column;text-align:center;
  font-size:.775rem;color:var(--muted);gap:6px;
}

/* ─── Inner Pages ─── */
.page-hero{border-bottom:1px solid var(--border);padding:40px 16px;text-align:center}
.page-hero h1{font-size:clamp(2.2rem,4.5vw,3.4rem);margin-bottom:14px}
.page-hero p{color:var(--text-2);font-size:1rem}

.page-content{max-width:720px;margin:72px auto;padding:0 28px}

.page-content h2 {
  font-family:var(--font-head);
  font-size:1.5rem;font-weight:400;
  margin:44px 0 14px;color:var(--text);letter-spacing:-.01em;
}

.page-content h2:first-child{margin-top:0}
.page-content p{color:var(--text-2);font-size:.9rem;line-height:1.8;margin-bottom:16px}
.page-content ul{color:var(--text-2);font-size:.9rem;line-height:1.8;margin-bottom:16px;padding-left:18px}
.page-content ul li{margin-bottom:8px}

/* ─── Contact ─── */
.contact-grid{display:grid;grid-template-columns:1fr;gap:56px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:20px}
.contact-item{display:flex;gap:14px;align-items:flex-start}

.contact-icon {
  width:40px;height:40px;flex-shrink:0;
  background:var(--bg2);border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;border:1px solid var(--border);
}

.contact-item h4{font-weight:600;margin-bottom:3px;font-size:.9rem}
.contact-item p{font-size:.825rem;color:var(--text-2)}

.contact-form {
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:24px 18px;box-shadow:var(--shadow-sm);
}

.form-group{margin-bottom:18px}

.form-group label{display:block;font-size:.8rem;font-weight:600;margin-bottom:7px;color:var(--text);letter-spacing:-.005em}

.form-group input,
.form-group select,
.form-group textarea {
  width:100%;background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:10px 14px;
  font-family:var(--font-body);font-size:.875rem;color:var(--text);
  transition:border-color var(--transition),box-shadow var(--transition);outline:none;
}

.form-group input::placeholder,.form-group textarea::placeholder{color:var(--muted)}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}

.form-group textarea{resize:vertical;min-height:110px}

.form-submit {
  width:100%;padding:12px;background:var(--accent);color:#fff;
  border:none;border-radius:var(--radius-sm);
  font-family:var(--font-body);font-weight:500;font-size:.925rem;
  cursor:pointer;letter-spacing:-.01em;
  transition:opacity var(--transition),transform var(--transition);
}

.form-submit:hover{opacity:.85;transform:translateY(-1px)}

.success-msg {
  background:#f0fdf4;color:#15803d;
  border:1px solid #bbf7d0;border-radius:var(--radius-sm);
  padding:11px 14px;font-size:.825rem;margin-top:12px;
}

/* ─── Animations ─── */
@keyframes fadeUp {
  from{opacity:0;transform:translateY(22px)}
  to{opacity:1;transform:translateY(0)}
}

.fade-up{animation:fadeUp .55s var(--ease) both}
.fade-up-1{animation-delay:.06s}
.fade-up-2{animation-delay:.14s}
.fade-up-3{animation-delay:.22s}
.fade-up-4{animation-delay:.30s}

/* ─── Tablet (min-width: 640px) ─── */
@media (min-width:640px) {
  .nav-inner{padding:0 28px;height:64px}
  .nav-links{display:flex;align-items:center;gap:24px}
  .logo{font-size:1rem}
  .logo-icon{width:34px;height:34px}
  .logo-icon svg{width:34px;height:34px}
  .nav-hamburger{display:none}

  .hero{padding:72px 28px 56px;gap:40px}
  h1{font-size:clamp(2.4rem,4.5vw,3.8rem)}
  .hero-desc{font-size:1rem}

  .tool-wrap,.options-bar,.action-bar,.stats-bar{padding-left:28px;padding-right:28px}

  .btn-primary,.btn-secondary,.btn-copy{width:auto;justify-content:flex-start}
  .btn-copy{margin-left:auto}

  .vkb-key{min-width:46px;height:48px}
  .vkb-key .lat{display:block}
  .vkb-key .ar{font-size:1.2rem}
  .vkb-key-fn{min-width:38px;height:38px;font-size:.65rem}
  .vkb-key-num{min-width:44px;height:48px}
  .vkb-key-num .top-ar{font-size:.65rem}
  .vkb-key-space{min-width:280px}
  .vkb-key-shift{min-width:110px}
  .vkb-key-real-shift{min-width:110px}
  .vkb-key-search{min-width:110px}
  .vkb-key-mod{min-width:54px;font-size:.65rem}
  .vkb-key-wide{min-width:80px;font-size:.68rem}
  .vkb-key-enter{min-width:90px;font-size:.68rem}
  .vkb-key-action{min-width:72px;font-size:.68rem}
  .vkb-row{gap:4px;min-width:680px}
  .panel-body{overflow-x:visible}

  .section{padding:72px 28px}
  .cta-banner{padding:72px 28px}
  .cta-btn-white{width:auto;justify-content:flex-start}
  .page-hero{padding:72px 28px}
  .contact-form{padding:36px}
  footer{padding:56px 28px 32px}
  body{padding-bottom:0}
  .footer-bottom{flex-direction:row;text-align:left}
}

/* ─── Small Desktop (min-width: 900px) ─── */
@media (min-width:900px) {
  .features-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(3,1fr)}
  .step{border-right:1px solid var(--border);border-bottom:none}
  .step:last-child{border-right:none}
  .footer-inner{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr 1fr}
  .features-grid{margin-top:48px}
  .steps{margin-top:48px}
}

/* ─── Large Desktop (min-width: 1100px) ─── */
@media (min-width:1100px) {
  .features-grid{grid-template-columns:repeat(3,1fr)}
  .footer-inner{grid-template-columns:2fr 1fr 1fr 1fr}
  .vkb-wrap{overflow-x:visible}
  .vkb-row{min-width:auto;justify-content:center}
}