/* ════════════════════════════════════════════════════════
   CHAPAR v2.0 — MAIN STYLESHEET
   Mobile-First · Dark · Blue/Yellow/Red
   ════════════════════════════════════════════════════════ */

/* ── Variables ───────────────────────────────────────── */
:root {
  /* Brand */
  --blue:        #2563EB;
  --blue-light:  #3B82F6;
  --blue-pale:   rgba(37, 99, 235, 0.12);
  --blue-glow:   rgba(37, 99, 235, 0.30);
  --yellow:      #F59E0B;
  --yellow-light:#FBBF24;
  --yellow-pale: rgba(245, 158, 11, 0.12);
  --red:         #EF4444;
  --red-pale:    rgba(239, 68, 68, 0.12);
  --green:       #22C55E;

  /* Backgrounds */
  --bg:          #030712;
  --bg-2:        #0D1117;
  --bg-card:     #111827;
  --bg-card-2:   #1A2235;
  --border:      rgba(255,255,255,0.07);
  --border-2:    rgba(255,255,255,0.12);

  /* Text */
  --text:        #F1F5F9;
  --text-muted:  #94A3B8;
  --text-faint:  #475569;

  /* Radius */
  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;

  /* Font */
  --ff:    'Vazirmatn', system-ui, sans-serif;
  --ff-en: 'Plus Jakarta Sans', system-ui, sans-serif;

  /* Ease */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Reset ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ff);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: var(--ff); color: inherit; }
input, textarea { font-family: var(--ff); }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

/* ── Container ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: 20px;
}
@media (min-width: 768px) { .container { padding-inline: 32px; } }

/* ── Highlight text ──────────────────────────────────── */
.hl-text {
  background: linear-gradient(135deg, var(--blue-light), var(--yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.inline-link { color: var(--blue-light); text-decoration: underline; text-underline-offset: 3px; }

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--r-md);
  font-size: 0.92rem;
  font-weight: 600;
  transition: all 0.25s var(--ease);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), #1D4ED8);
  color: #fff;
  box-shadow: 0 4px 18px var(--blue-glow);
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.1); box-shadow: 0 8px 28px var(--blue-glow); }
.btn-primary:active { transform: translateY(0); }

.btn-glass {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid var(--border-2);
  backdrop-filter: blur(10px);
}
.btn-glass:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }

.btn-nav {
  background: var(--blue-pale);
  color: var(--blue-light);
  border: 1px solid rgba(59,130,246,0.2);
  padding: 8px 18px;
  font-size: 0.88rem;
}
.btn-nav:hover { background: rgba(59,130,246,0.2); }

.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--r-lg); }
.btn-xl { padding: 16px 36px; font-size: 1.1rem; border-radius: var(--r-xl); }
.btn-full { width: 100%; justify-content: center; }

/* Ripple */
.ripple-wave {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.22);
  transform: scale(0);
  animation: ripple-kf 0.55s linear;
  pointer-events: none;
}
@keyframes ripple-kf { to { transform: scale(4); opacity: 0; } }

/* ── Section shared ──────────────────────────────────── */
section { padding-block: 80px; position: relative; overflow: hidden; }
@media (min-width: 768px) { section { padding-block: 110px; } }

.section-head { text-align: center; max-width: 620px; margin-inline: auto; margin-bottom: 56px; }
.s-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 18px;
  background: var(--blue-pale);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue-light);
  margin-bottom: 16px;
}
.s-badge.center { display: flex; justify-content: center; }
.s-title {
  font-size: clamp(1.75rem, 4.5vw, 2.7rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.s-desc { color: var(--text-muted); font-size: 1rem; line-height: 1.8; }
.s-title.center, .s-desc.center { text-align: center; }

/* ── Scroll Progress ─────────────────────────────────── */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--yellow), var(--blue-light));
  z-index: 9990;
  transition: width 0.1s;
  border-radius: 0 2px 2px 0;
}

/* ── Loader ──────────────────────────────────────────── */
#loader {
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 99999;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s var(--ease), visibility 0.5s;
}
#loader.gone { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-content { text-align: center; }
.loader-logo { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 28px; }
.loader-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--blue), var(--yellow));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 900; color: #fff;
  animation: ldr-pulse 1.2s ease-in-out infinite;
}
.loader-logo span { font-size: 1.9rem; font-weight: 800; font-family: var(--ff-en); }
.loader-bar-wrap { width: 180px; height: 3px; background: rgba(255,255,255,0.08); border-radius: 100px; overflow: hidden; margin-inline: auto; margin-bottom: 12px; }
.loader-bar-fill { height: 100%; background: linear-gradient(90deg, var(--blue), var(--yellow)); animation: ldr-bar 1.4s var(--ease) forwards; }
.loader-text { font-size: 0.82rem; color: var(--text-muted); }
@keyframes ldr-pulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.08)} }
@keyframes ldr-bar { from{width:0} to{width:100%} }

/* ── Navbar ──────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}
#navbar.scrolled {
  background: rgba(3,7,18,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: 20px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
}
@media (min-width: 768px) { .nav-inner { padding-inline: 32px; } }

.nav-brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--blue), var(--yellow));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 900; color: #fff; flex-shrink: 0;
}
.brand-icon.sm { width: 28px; height: 28px; border-radius: 7px; font-size: 0.85rem; }
.brand-name { font-family: var(--ff-en); font-size: 1.2rem; font-weight: 800; letter-spacing: -0.02em; }

.nav-links { display: none; align-items: center; gap: 2px; margin-inline-start: auto; }
@media (min-width: 900px) { .nav-links { display: flex; } }
.nl { padding: 7px 13px; border-radius: var(--r-sm); font-size: 0.9rem; color: var(--text-muted); font-weight: 500; transition: color 0.2s, background 0.2s; }
.nl:hover, .nl.active { color: var(--text); background: rgba(255,255,255,0.05); }

.nav-end { display: flex; align-items: center; gap: 10px; margin-inline-start: auto; }
@media (min-width: 900px) { .nav-end { margin-inline-start: 20px; } }

/* Hamburger */
.hamburger { display: flex; flex-direction: column; gap: 5px; padding: 8px; border-radius: var(--r-sm); }
@media (min-width: 900px) { .hamburger { display: none; } }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.mob-menu {
  background: rgba(7,10,25,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px 24px;
}
.mob-menu[hidden] { display: none; }
.mob-menu nav { display: flex; flex-direction: column; gap: 2px; margin-bottom: 16px; }
.mob-link { display: block; padding: 11px 14px; border-radius: var(--r-sm); font-size: 0.95rem; color: var(--text-muted); font-weight: 500; transition: color 0.2s, background 0.2s; }
.mob-link:hover { color: var(--text); background: rgba(255,255,255,0.05); }

/* ── Hero ────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 88px;
  padding-bottom: 60px;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hb-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
.hb-orb { position: absolute; border-radius: 50%; filter: blur(70px); }
.hb-orb-1 { width: 450px; height: 450px; background: radial-gradient(circle, rgba(37,99,235,0.18), transparent 70%); top: -80px; right: -80px; animation: orb-f 9s ease-in-out infinite; }
.hb-orb-2 { width: 350px; height: 350px; background: radial-gradient(circle, rgba(245,158,11,0.1), transparent 70%); bottom: 0; left: -60px; animation: orb-f 12s ease-in-out infinite reverse; }
.hb-orb-3 { width: 280px; height: 280px; background: radial-gradient(circle, rgba(37,99,235,0.08), transparent 70%); top: 50%; left: 40%; animation: orb-f 7s ease-in-out infinite 2s; }
@keyframes orb-f { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-28px)} }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero-container {
  position: relative; z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  text-align: center;
}
@media (min-width: 900px) {
  .hero-container { flex-direction: row; text-align: right; }
  .hero-copy { flex: 1; }
  .hero-mockup { flex-shrink: 0; }
}

/* Hero badge */
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: 100px;
  font-size: 0.8rem; font-weight: 600; color: var(--yellow-light);
  margin-bottom: 20px;
}
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: pulse-dot 1.8s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.3)} }
.badge-new { padding: 2px 8px; background: var(--red-pale); border-radius: 100px; color: #fca5a5; font-size: 0.72rem; }

/* Hero title */
.hero-title { font-size: clamp(2.6rem, 7vw, 4.8rem); font-weight: 900; line-height: 1.05; letter-spacing: -0.04em; margin-bottom: 20px; }
.ht-fa { display: block; background: linear-gradient(135deg, #fff 40%, rgba(255,255,255,0.5)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.ht-typed-wrap { display: block; font-size: 0.42em; color: var(--text-muted); font-weight: 600; line-height: 1.5; margin-top: 6px; letter-spacing: -0.01em; -webkit-text-fill-color: initial; }
#typed-text { color: var(--blue-light); }
.typed-cursor { color: var(--yellow); }

/* Hero desc + actions */
.hero-desc { font-size: 1rem; color: var(--text-muted); line-height: 1.85; max-width: 500px; margin-bottom: 30px; }
@media (max-width: 899px) { .hero-desc { margin-inline: auto; } }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; justify-content: center; }
@media (min-width: 900px) { .hero-actions { justify-content: flex-start; } }

/* Trust strip */
.hero-trust { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; justify-content: center; }
@media (min-width: 900px) { .hero-trust { justify-content: flex-start; } }
.ht-item { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; color: var(--text-muted); }
.ht-item i { color: var(--blue-light); }
.ht-sep { width: 4px; height: 4px; border-radius: 50%; background: var(--text-faint); }

/* Telegram mockup */
.hero-mockup { position: relative; display: flex; align-items: center; justify-content: center; }
.tg-frame {
  width: 300px;
  background: #17212B; /* Telegram dark bg */
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(37,99,235,0.1);
  animation: phone-float 5s ease-in-out infinite;
}
@media (min-width: 900px) { .tg-frame { width: 320px; } }
@keyframes phone-float { 0%,100%{transform:translateY(0) rotateY(-3deg)} 50%{transform:translateY(-14px) rotateY(3deg)} }

.tg-top { display: flex; align-items: center; gap: 10px; padding: 12px 14px; background: #232E3C; border-bottom: 1px solid rgba(255,255,255,0.05); }
.tg-back { color: var(--blue-light); font-size: 1rem; }
.tg-avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--yellow)); display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.tg-info { flex: 1; }
.tg-info strong { display: block; font-size: 0.87rem; font-weight: 700; }
.tg-info span { font-size: 0.7rem; color: var(--green); }
.tg-more { color: var(--text-muted); }

.tg-chat { padding: 14px 12px; min-height: 220px; display: flex; flex-direction: column; gap: 8px; background: #0E1621; }
.tg-msg { display: flex; flex-direction: column; opacity: 0; animation: msg-pop 0.4s var(--ease) forwards; }
.tg-msg.show { opacity: 1; }
@keyframes msg-pop { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
.tg-msg.bot { align-items: flex-start; }
.tg-msg.user { align-items: flex-end; }
.tg-msg.anon { align-items: flex-start; }
.tg-bubble { max-width: 85%; padding: 8px 12px; border-radius: 12px; font-size: 0.76rem; line-height: 1.55; }
.tg-msg.bot .tg-bubble { background: #182533; border-bottom-left-radius: 3px; }
[dir="rtl"] .tg-msg.bot .tg-bubble { border-bottom-left-radius: 12px; border-bottom-right-radius: 3px; }
.tg-msg.user .tg-bubble { background: #2B5278; border-bottom-right-radius: 3px; }
[dir="rtl"] .tg-msg.user .tg-bubble { border-bottom-right-radius: 12px; border-bottom-left-radius: 3px; }
.tg-anon-bubble { background: rgba(245,158,11,0.12) !important; border: 1px solid rgba(245,158,11,0.2); border-bottom-right-radius: 3px; }
[dir="rtl"] .tg-anon-bubble { border-bottom-right-radius: 12px; border-bottom-left-radius: 3px; }
.anon-label { display: flex; align-items: center; gap: 4px; font-size: 0.67rem; color: var(--yellow-light); font-weight: 600; margin-bottom: 4px; }
.tg-link { color: var(--blue-light); word-break: break-all; }
.tg-time { font-size: 0.62rem; color: var(--text-faint); margin-top: 2px; padding-inline: 3px; }

.tg-input { display: flex; align-items: center; gap: 8px; padding: 10px 12px; background: #232E3C; border-top: 1px solid rgba(255,255,255,0.05); }
.tg-input-box { flex: 1; font-size: 0.75rem; color: var(--text-faint); background: rgba(255,255,255,0.05); border-radius: 100px; padding: 7px 12px; }
.tg-send { width: 32px; height: 32px; background: var(--blue); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.82rem; color: #fff; flex-shrink: 0; }

/* Floating tags */
.float-tag {
  position: absolute;
  padding: 7px 13px;
  background: rgba(13,17,23,0.92);
  border: 1px solid var(--border-2);
  border-radius: 100px;
  font-size: 0.72rem; font-weight: 600;
  backdrop-filter: blur(10px);
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.ft-1 { top: 15%; right: -36px; color: var(--green); border-color: rgba(34,197,94,0.25); animation: tag-f 4s ease-in-out infinite; }
.ft-2 { top: 50%; left: -44px; color: var(--blue-light); border-color: rgba(59,130,246,0.25); animation: tag-f 5.5s ease-in-out infinite 0.8s; }
.ft-3 { bottom: 18%; right: -32px; color: var(--yellow-light); border-color: rgba(245,158,11,0.25); animation: tag-f 4.8s ease-in-out infinite 1.5s; }
@keyframes tag-f { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
@media (max-width: 899px) { .float-tag { display: none; } }
.mock-glow { position: absolute; inset: -20px; background: radial-gradient(ellipse 60% 60% at 50% 50%, var(--blue-glow), transparent 70%); pointer-events: none; filter: blur(30px); z-index: -1; }

/* Scroll hint */
.scroll-hint { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 6px; }
.scroll-mouse { width: 24px; height: 40px; border: 2px solid rgba(255,255,255,0.2); border-radius: 100px; display: flex; justify-content: center; padding-top: 6px; }
.scroll-dot { width: 4px; height: 4px; background: var(--blue-light); border-radius: 50%; animation: scroll-anim 1.8s ease-in-out infinite; }
@keyframes scroll-anim { 0%,100%{transform:translateY(-4px);opacity:0} 50%{transform:translateY(8px);opacity:1} }

/* ── Stats ───────────────────────────────────────────── */
.stats-section {
  padding-block: 56px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-card {
  padding: 28px 20px;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: transform 0.3s, border-color 0.3s;
}
.stat-card:hover { transform: translateY(-4px); border-color: rgba(59,130,246,0.2); }
.stat-icon { font-size: 1.5rem; margin-bottom: 10px; }
.stat-icon i { background: linear-gradient(135deg, var(--blue-light), var(--yellow)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-num { font-family: var(--ff-en); font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; color: var(--text); margin-bottom: 6px; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }

/* ── About ───────────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }
@media (min-width: 768px) { .about-grid { grid-template-columns: repeat(3, 1fr); } }
.about-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 28px 24px;
  transition: transform 0.3s, border-color 0.3s;
  overflow: hidden;
}
.about-card:hover { transform: translateY(-5px); border-color: rgba(59,130,246,0.22); }
.ac-num { position: absolute; top: 20px; left: 20px; font-family: var(--ff-en); font-size: 3rem; font-weight: 900; color: rgba(37,99,235,0.07); line-height: 1; }
[dir="rtl"] .ac-num { left: auto; right: 20px; }
.ac-icon { font-size: 1.8rem; margin-bottom: 14px; }
.ac-icon i { background: linear-gradient(135deg, var(--blue-light), var(--yellow)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.about-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.about-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.75; }

/* Philosophy strip */
.philosophy-strip {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
}
.ph-item { display: flex; align-items: center; gap: 8px; padding: 8px 18px; background: var(--blue-pale); border-radius: 100px; font-size: 0.85rem; font-weight: 600; color: var(--blue-light); }
.ph-item i { font-size: 1rem; }

/* ── Features ────────────────────────────────────────── */
.features-section { background: var(--bg-2); }
.feat-bg { position: absolute; inset: 0; pointer-events: none; }
.fb-orb { position: absolute; width: 500px; height: 500px; background: radial-gradient(circle, rgba(37,99,235,0.08), transparent 65%); bottom: -150px; left: -100px; filter: blur(60px); }
.feat-grid { display: grid; grid-template-columns: 1fr; gap: 14px; position: relative; z-index: 1; }
@media (min-width: 600px) { .feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .feat-grid { grid-template-columns: repeat(3, 1fr); } }
.feat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.3s, box-shadow 0.3s;
  cursor: default;
}
.feat-card:hover, .feat-card:focus { transform: translateY(-6px); border-color: rgba(59,130,246,0.25); box-shadow: 0 20px 50px rgba(0,0,0,0.4); outline: none; }
.feat-card--yellow { border-color: rgba(245,158,11,0.15); background: linear-gradient(145deg, rgba(245,158,11,0.06), var(--bg-card)); }
.feat-card--yellow:hover { border-color: rgba(245,158,11,0.35); box-shadow: 0 20px 50px rgba(0,0,0,0.4), 0 0 30px rgba(245,158,11,0.08); }
.feat-card--blue { border-color: rgba(37,99,235,0.2); background: linear-gradient(145deg, rgba(37,99,235,0.08), var(--bg-card)); }
.fc-icon { width: 50px; height: 50px; background: var(--blue-pale); border-radius: var(--r-md); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--blue-light); margin-bottom: 16px; transition: transform 0.3s; }
.feat-card--yellow .fc-icon { background: var(--yellow-pale); color: var(--yellow-light); }
.feat-card:hover .fc-icon { transform: scale(1.1) rotate(-5deg); }
.feat-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feat-card p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.7; }
.fc-badge { position: absolute; top: 18px; left: 18px; padding: 3px 10px; background: linear-gradient(135deg, var(--yellow), #d97706); border-radius: 100px; font-size: 0.68rem; font-weight: 700; color: #000; }
.fc-badge--blue { background: linear-gradient(135deg, var(--blue), #1D4ED8); color: #fff; }
[dir="rtl"] .fc-badge { left: auto; right: 18px; }

/* ── How to use ──────────────────────────────────────── */
.steps-wrap { max-width: 620px; margin-inline: auto; display: flex; flex-direction: column; align-items: stretch; }
.step { display: flex; gap: 20px; align-items: flex-start; }
.step-arrow { text-align: center; color: var(--text-faint); font-size: 1.2rem; padding-block: 8px; }
.step-num { width: 44px; height: 44px; background: linear-gradient(135deg, var(--blue), var(--yellow)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 800; flex-shrink: 0; color: #fff; box-shadow: 0 0 20px var(--blue-glow); }
.step-body { flex: 1; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; margin-bottom: 0; }
.step-icon { font-size: 1.5rem; margin-bottom: 10px; }
.step-icon i { background: linear-gradient(135deg, var(--blue-light), var(--yellow)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.step-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step-body p { font-size: 0.87rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 12px; }
.step-cmd { display: inline-block; background: rgba(0,0,0,0.4); border: 1px solid var(--border-2); border-radius: var(--r-sm); padding: 5px 14px; font-family: monospace; font-size: 0.85rem; color: var(--blue-light); }
.step-result { display: flex; align-items: center; gap: 8px; background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.2); border-radius: var(--r-sm); padding: 8px 12px; font-size: 0.82rem; color: var(--text); }
.step-result i { color: var(--green); flex-shrink: 0; }
.code-hl { color: var(--yellow-light); }
.share-methods { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.share-methods span { display: flex; align-items: center; gap: 5px; padding: 4px 12px; background: var(--blue-pale); border-radius: 100px; font-size: 0.78rem; color: var(--blue-light); }
.step-notif { display: flex; align-items: center; gap: 8px; background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.2); border-radius: var(--r-sm); padding: 8px 12px; font-size: 0.82rem; color: var(--yellow-light); }
.step-notif i { color: var(--yellow-light); }

/* Commands box */
.commands-box { margin-top: 48px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 28px; }
.commands-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.commands-title i { color: var(--blue-light); }
.commands-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 600px) { .commands-grid { grid-template-columns: repeat(3, 1fr); } }
.cmd-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-md); font-size: 0.85rem; }
.cmd-item code { font-family: monospace; color: var(--blue-light); font-size: 0.82rem; background: var(--blue-pale); padding: 2px 7px; border-radius: 4px; white-space: nowrap; }
.cmd-item span { color: var(--text-muted); font-size: 0.8rem; }

/* ── Demo ────────────────────────────────────────────── */
.demo-section { background: var(--bg-2); }
.demo-bg { position: absolute; inset: 0; pointer-events: none; }
.demo-orb { position: absolute; width: 500px; height: 500px; background: radial-gradient(circle, rgba(245,158,11,0.07), transparent 65%); top: 50%; right: -150px; transform: translateY(-50%); filter: blur(60px); }
.demo-layout { display: flex; flex-direction: column; gap: 24px; }
@media (min-width: 768px) { .demo-layout { flex-direction: row; gap: 32px; align-items: flex-start; } }
.demo-steps { display: flex; flex-direction: column; gap: 10px; flex-shrink: 0; }
@media (min-width: 768px) { .demo-steps { width: 220px; } }
.ds-btn { display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-md); text-align: right; width: 100%; transition: border-color 0.2s, background 0.2s; cursor: pointer; }
.ds-btn.active { border-color: var(--blue); background: var(--blue-pale); }
.ds-n { width: 30px; height: 30px; border-radius: 50%; background: var(--border); display: flex; align-items: center; justify-content: center; font-size: 0.82rem; font-weight: 700; flex-shrink: 0; }
.ds-btn.active .ds-n { background: var(--blue); color: #fff; }
.ds-info { text-align: right; }
.ds-info strong { display: block; font-size: 0.9rem; font-weight: 700; }
.ds-info small { font-size: 0.75rem; color: var(--text-muted); }
.demo-panel { flex: 1; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-xl); overflow: hidden; }
.demo-screen { padding: 28px; min-height: 250px; }
.demo-nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-top: 1px solid var(--border); }
.demo-dots { display: flex; gap: 6px; }
.dd { width: 8px; height: 8px; border-radius: 50%; background: var(--border-2); transition: background 0.2s, transform 0.2s; }
.dd.active { background: var(--blue); transform: scale(1.2); }

/* Demo content panels */
.dc-step { animation: dc-in 0.4s var(--ease); }
@keyframes dc-in { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }
.dc-step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.dc-step p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 16px; line-height: 1.75; }
.dc-preview { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-md); padding: 16px; font-size: 0.82rem; color: var(--text-muted); }
.dc-preview .dc-line { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 8px; }
.dc-preview .dc-line:last-child { margin-bottom: 0; }
.dc-preview .dc-icon { flex-shrink: 0; font-size: 0.9rem; margin-top: 1px; }
.dc-preview .dc-text strong { color: var(--text); display: block; }

/* ── Why / Compare ───────────────────────────────────── */
.compare-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--r-xl); border: 1px solid var(--border); }
.compare-table { width: 100%; min-width: 520px; border-collapse: collapse; }
.compare-table th, .compare-table td { padding: 14px 20px; font-size: 0.88rem; border-bottom: 1px solid var(--border); text-align: center; }
.compare-table th { background: var(--bg-card); font-weight: 700; font-size: 0.85rem; }
.compare-table th:first-child, .compare-table td:first-child { text-align: right; font-weight: 600; color: var(--text-muted); }
[dir="rtl"] .compare-table th:first-child, [dir="rtl"] .compare-table td:first-child { text-align: right; }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(255,255,255,0.02); }
.col-chapar { background: rgba(37,99,235,0.05) !important; border-left: 1px solid rgba(37,99,235,0.15); border-right: 1px solid rgba(37,99,235,0.15); }
.yes { color: var(--green); font-size: 1.1rem; }
.no { color: var(--red); font-size: 1.1rem; }
.maybe { color: var(--yellow); font-size: 1.1rem; }

/* ── Security ────────────────────────────────────────── */
.security-section { background: var(--bg-2); }
.security-wrap { display: flex; flex-direction: column; gap: 56px; align-items: center; }
@media (min-width: 900px) { .security-wrap { flex-direction: row; gap: 72px; } }
.sec-visual { flex-shrink: 0; display: flex; justify-content: center; }
.sec-shield { position: relative; width: 260px; height: 260px; display: flex; align-items: center; justify-content: center; }
.ss-ring { position: absolute; border-radius: 50%; border: 1px solid; animation: ring-spin linear infinite; }
.ss-ring-1 { width: 260px; height: 260px; border-color: rgba(37,99,235,0.12); animation-duration: 18s; }
.ss-ring-2 { width: 200px; height: 200px; border-color: rgba(245,158,11,0.1); animation-duration: 25s; animation-direction: reverse; }
.ss-ring-3 { width: 140px; height: 140px; border-color: rgba(37,99,235,0.18); animation-duration: 12s; }
@keyframes ring-spin { from{transform:rotate(0)} to{transform:rotate(360deg)} }
.ss-core { width: 90px; height: 90px; background: linear-gradient(135deg, var(--blue), var(--yellow)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2.2rem; color: #fff; box-shadow: 0 0 40px var(--blue-glow); z-index: 1; animation: ss-pulse 3s ease-in-out infinite; }
@keyframes ss-pulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.04)} }
.ss-orbit { position: absolute; inset: 0; border-radius: 50%; animation: ring-spin linear infinite; }
.ss-orbit-1 { animation-duration: 8s; }
.ss-orbit-2 { animation-duration: 13s; animation-direction: reverse; }
.ss-orbit-3 { animation-duration: 19s; }
.ss-orb-dot { position: absolute; top: 0; left: 50%; transform: translateX(-50%) translateY(-50%); width: 36px; height: 36px; background: var(--bg-card); border: 1px solid rgba(37,99,235,0.25); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; color: var(--blue-light); }
.sec-content { flex: 1; }
.sec-content .s-badge { margin-bottom: 12px; }
.sec-content .s-title { margin-bottom: 12px; }
.sec-content .s-desc { margin-bottom: 28px; }
.sec-list { display: flex; flex-direction: column; gap: 14px; }
.sec-item { display: flex; gap: 14px; align-items: flex-start; padding: 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-md); transition: border-color 0.3s, transform 0.3s; }
.sec-item:hover { border-color: rgba(37,99,235,0.2); transform: translateX(-4px); }
[dir="rtl"] .sec-item:hover { transform: translateX(4px); }
.si-icon { width: 40px; height: 40px; background: var(--blue-pale); border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; font-size: 1rem; color: var(--blue-light); flex-shrink: 0; }
.si-body h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.si-body p { font-size: 0.83rem; color: var(--text-muted); line-height: 1.65; }

/* ── Versions ────────────────────────────────────────── */
.ver-timeline { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 768px) { .ver-timeline { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .ver-timeline { grid-template-columns: repeat(4, 1fr); } }
.vt-item { position: relative; }
.vt-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 14px; border-radius: 100px; font-size: 0.74rem; font-weight: 700; margin-bottom: 10px; }
.vt-badge.current { background: rgba(34,197,94,0.12); color: var(--green); border: 1px solid rgba(34,197,94,0.2); }
.vt-badge.soon { background: var(--blue-pale); color: var(--blue-light); border: 1px solid rgba(37,99,235,0.2); }
.vt-badge.future { background: rgba(148,163,184,0.07); color: var(--text-muted); border: 1px solid var(--border); }
.vt-badge.roadmap { background: var(--yellow-pale); color: var(--yellow-light); border: 1px solid rgba(245,158,11,0.2); }
.vt-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 24px 22px; transition: transform 0.3s, border-color 0.3s; }
.vt-item--current .vt-card { border-color: rgba(34,197,94,0.25); background: linear-gradient(145deg, rgba(34,197,94,0.05), var(--bg-card)); }
.vt-card:hover { transform: translateY(-5px); }
.vt-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.vt-ver { font-family: var(--ff-en); font-size: 1.6rem; font-weight: 800; background: linear-gradient(135deg, var(--text), rgba(255,255,255,0.4)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.vt-date { font-size: 0.75rem; color: var(--text-faint); }
.vt-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 14px; }
.vt-card ul { display: flex; flex-direction: column; gap: 8px; }
.vt-card li { display: flex; align-items: center; gap: 8px; font-size: 0.83rem; color: var(--text-muted); }
.vt-item--current .vt-card li { color: var(--text); }
.vt-card li i { color: var(--text-faint); flex-shrink: 0; }
.vt-item--current .vt-card li i { color: var(--green); }

/* ── Download ────────────────────────────────────────── */
.download-section { background: var(--bg-2); }
.dl-bg { position: absolute; inset: 0; pointer-events: none; }
.dl-orb { position: absolute; width: 600px; height: 600px; background: radial-gradient(circle, rgba(37,99,235,0.1), transparent 65%); top: 50%; left: 50%; transform: translate(-50%,-50%); filter: blur(70px); }
.dl-wrap { max-width: 860px; margin-inline: auto; text-align: center; position: relative; z-index: 1; }
.dl-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 40px; margin-bottom: 28px; }
@media (min-width: 600px) { .dl-grid { grid-template-columns: repeat(3, 1fr); } }
.dl-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 24px; text-align: right; transition: transform 0.3s, border-color 0.3s; }
.dl-card--active { border-color: rgba(37,99,235,0.3); background: linear-gradient(145deg, rgba(37,99,235,0.08), var(--bg-card)); }
.dl-card--active:hover { transform: translateY(-5px); border-color: rgba(37,99,235,0.5); }
.dl-card--soon { opacity: 0.6; }
.dl-platform { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.dlp-icon { width: 44px; height: 44px; border-radius: var(--r-md); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; flex-shrink: 0; }
.tg-icon { background: rgba(37,99,235,0.15); color: var(--blue-light); }
.and-icon { background: rgba(34,197,94,0.1); color: #4ade80; }
.ios-icon { background: rgba(148,163,184,0.1); color: var(--text-muted); }
.dlp-info strong { display: block; font-size: 0.95rem; font-weight: 700; }
.dlp-info span { font-size: 0.75rem; color: var(--green); }
.dl-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 16px; }
.badge-soon { padding: 2px 8px; background: var(--yellow-pale); border-radius: 100px; color: var(--yellow-light); font-size: 0.72rem; font-weight: 600; }
.dl-future { display: inline-flex; align-items: center; gap: 10px; padding: 12px 24px; background: var(--bg-card); border: 1px dashed var(--border-2); border-radius: var(--r-xl); font-size: 0.82rem; color: var(--text-muted); }
.dl-future i { color: var(--blue-light); font-size: 1.1rem; flex-shrink: 0; }

/* ── FAQ ─────────────────────────────────────────────── */
.faq-wrap { max-width: 760px; margin-inline: auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; transition: border-color 0.25s; }
.faq-item.open { border-color: rgba(37,99,235,0.28); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; font-size: 0.95rem; font-weight: 600; color: var(--text); text-align: right; gap: 14px; transition: background 0.2s; }
.faq-q:hover { background: rgba(255,255,255,0.02); }
.faq-q i { flex-shrink: 0; font-size: 0.9rem; color: var(--text-muted); transition: transform 0.35s var(--ease), color 0.2s; }
.faq-item.open .faq-q i { transform: rotate(180deg); color: var(--blue-light); }
.faq-a { padding: 0 22px 18px; font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; border-top: 1px solid var(--border); padding-top: 14px; }
.faq-a[hidden] { display: none; }

/* ── Rules ───────────────────────────────────────────── */
.rules-section { background: var(--bg-2); }
.rules-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 24px; }
@media (min-width: 768px) { .rules-grid { grid-template-columns: repeat(2, 1fr); } }
.rule-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 28px; }
.rule-card--allowed { border-color: rgba(34,197,94,0.2); }
.rule-card--banned { border-color: rgba(239,68,68,0.2); }
.rc-header { display: flex; align-items: center; gap: 10px; font-size: 1rem; font-weight: 700; margin-bottom: 18px; }
.rule-card--allowed .rc-header { color: var(--green); }
.rule-card--banned .rc-header { color: #fca5a5; }
.rule-card ul { display: flex; flex-direction: column; gap: 10px; }
.rule-card li { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: var(--text-muted); padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.rule-card li:last-child { padding-bottom: 0; border-bottom: none; }
.rule-card--allowed li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }
.rule-card--banned li::before { content: '✕'; color: var(--red); font-weight: 700; flex-shrink: 0; }
.rules-notice { display: flex; align-items: flex-start; gap: 12px; padding: 18px 22px; background: rgba(239,68,68,0.06); border: 1px solid rgba(239,68,68,0.15); border-radius: var(--r-lg); }
.rules-notice i { color: var(--red); font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.rules-notice p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }

/* ── About Project ───────────────────────────────────── */
.proj-story { display: flex; flex-direction: column; gap: 16px; }
.ps-item { display: flex; gap: 16px; align-items: flex-start; padding: 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); transition: border-color 0.3s; }
.ps-item:hover { border-color: rgba(37,99,235,0.2); }
.psi-icon { width: 44px; height: 44px; background: var(--blue-pale); border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; color: var(--blue-light); flex-shrink: 0; }
.psi-body h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.psi-body p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.7; }

/* ── CTA ─────────────────────────────────────────────── */
.cta-section { padding-block: 80px; text-align: center; }
.cta-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(37,99,235,0.1), transparent 70%); pointer-events: none; }
.cta-wrap { position: relative; z-index: 1; }
.cta-title { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 900; letter-spacing: -0.03em; margin-bottom: 14px; }
.cta-desc { font-size: 1rem; color: var(--text-muted); margin-bottom: 32px; }

/* ── Footer ──────────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); background: rgba(3,7,18,0.96); }
.footer-top { padding: 56px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 36px; }
@media (min-width: 600px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; } }
.ft-tagline { font-size: 0.86rem; color: var(--text-muted); line-height: 1.7; margin-block: 14px 18px; }
.ft-socials { display: flex; gap: 8px; }
.soc-btn { width: 36px; height: 36px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; font-size: 0.95rem; color: var(--text-muted); transition: background 0.2s, color 0.2s, border-color 0.2s; }
.soc-btn:hover { background: var(--blue-pale); color: var(--blue-light); border-color: rgba(59,130,246,0.25); }
.ft-col h3 { font-size: 0.85rem; font-weight: 700; color: var(--text); margin-bottom: 14px; letter-spacing: 0.04em; }
.ft-col ul { display: flex; flex-direction: column; gap: 9px; }
.ft-col a { font-size: 0.86rem; color: var(--text-muted); transition: color 0.2s; display: flex; align-items: center; gap: 7px; }
.ft-col a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding-block: 20px; }
.footer-btm-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.footer-btm-inner p { font-size: 0.8rem; color: var(--text-faint); }
.ft-made { display: flex; align-items: center; gap: 4px; }
.ver-badge { background: var(--blue-pale); color: var(--blue-light); padding: 1px 7px; border-radius: 4px; font-size: 0.72rem; font-family: var(--ff-en); font-weight: 700; }

/* ── Back to Top ─────────────────────────────────────── */
#btt {
  position: fixed; bottom: 24px; left: 24px;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--blue), #1D4ED8);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: #fff;
  z-index: 900;
  opacity: 0; transform: translateY(14px) scale(0.9);
  transition: opacity 0.3s, transform 0.3s var(--ease);
  pointer-events: none;
  box-shadow: 0 4px 18px var(--blue-glow);
}
[dir="rtl"] #btt { left: auto; right: 24px; }
#btt.vis { opacity: 1; transform: translateY(0) scale(1); pointer-events: all; }
#btt:hover { transform: translateY(-3px) scale(1.05); }