/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg-dark: #0a0a0f;
  --bg-card: rgba(255,255,255,.04);
  --bg-glass: rgba(255,255,255,.06);
  --border-glass: rgba(255,255,255,.08);
  --text-primary: #e8e8f0;
  --text-secondary: #9090a8;
  --text-muted: #606078;
  --accent-1: #6366f1;
  --accent-2: #8b5cf6;
  --accent-3: #a855f7;
  --accent-gradient: linear-gradient(135deg, #6366f1, #a855f7);
  --success: #22c55e;
  --warning: #eab308;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 8px 32px rgba(0,0,0,.4);
  --transition: .3s cubic-bezier(.4,0,.2,1);
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: var(--accent-1); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-3); }
img { max-width: 100%; display: block; }
::selection { background: var(--accent-2); color: #fff; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--accent-2); border-radius: 3px; }

/* ===== PARTICLES ===== */
#particles-canvas {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse at 20% 50%, rgba(99,102,241,.12) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(168,85,247,.08) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(139,92,246,.06) 0%, transparent 50%);
}

/* ===== CONTAINER ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ===== UTILITY ===== */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
}
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section {
  padding: 100px 0; position: relative;
}
.section-dark {
  background: radial-gradient(ellipse at center, rgba(99,102,241,.06) 0%, transparent 70%);
}
.section-header {
  text-align: center; max-width: 640px; margin: 0 auto 60px;
}
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-glass); border: 1px solid var(--border-glass);
  padding: 6px 16px; border-radius: 20px;
  font-size: .85rem; font-weight: 500; color: var(--accent-1); margin-bottom: 16px;
}
.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1.15; margin-bottom: 16px;
}
.section-header p { color: var(--text-secondary); font-size: 1.1rem; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0; transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(10,10,15,.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 10px 0;
}
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo-img { width: 36px; height: 36px; border-radius: 10px; }
.nav-logo-text { font-weight: 700; font-size: 1.1rem; color: var(--text-primary); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  padding: 8px 16px; border-radius: var(--radius-xs);
  font-size: .9rem; font-weight: 500; color: var(--text-secondary); transition: var(--transition);
}
.nav-links a:hover { color: var(--text-primary); background: var(--bg-card); }
.nav-btn-outline {
  border: 1px solid var(--border-glass) !important;
  color: var(--text-primary) !important; padding: 8px 18px !important;
}
.nav-btn-primary {
  background: var(--accent-gradient) !important; color: #fff !important;
  padding: 8px 18px !important; border: none !important;
}
.nav-btn-primary:hover { opacity: .9; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 80px; position: relative; overflow: hidden;
}
.hero-glow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,.15) 0%, rgba(168,85,247,.08) 30%, transparent 60%);
  border-radius: 50%; pointer-events: none; animation: pulseGlow 4s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { transform: translate(-50%,-50%) scale(1); opacity: .6; }
  50% { transform: translate(-50%,-50%) scale(1.15); opacity: 1; }
}
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-glass); border: 1px solid var(--border-glass);
  padding: 8px 20px; border-radius: 20px;
  font-size: .9rem; font-weight: 600; color: var(--accent-1); margin-bottom: 24px;
  animation: fadeInUp .6s ease;
}
.hero-title {
  font-size: clamp(2.8rem, 6vw, 5rem); font-weight: 900; line-height: 1.05;
  margin-bottom: 20px; animation: fadeInUp .6s ease .1s both;
}
.hero-subtitle {
  font-size: 1.15rem; color: var(--text-secondary); line-height: 1.7;
  max-width: 600px; margin: 0 auto 36px; animation: fadeInUp .6s ease .2s both;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; animation: fadeInUp .6s ease .3s both; }
.hero-stats { display: flex; gap: 40px; justify-content: center; margin-top: 48px; animation: fadeInUp .6s ease .4s both; }
.stat-item { text-align: center; }
.stat-number { display: block; font-size: 1.6rem; font-weight: 800; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: .85rem; color: var(--text-muted); font-weight: 500; }

/* ===== BUTTONS ===== */
.btn-primary, .btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 1rem; cursor: pointer;
  border: none; transition: var(--transition); text-decoration: none;
}
.btn-primary { background: var(--accent-gradient); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99,102,241,.4); color: #fff; }
.btn-secondary {
  background: var(--bg-glass); border: 1px solid var(--border-glass); color: var(--text-primary);
}
.btn-secondary:hover { background: var(--bg-card); transform: translateY(-2px); color: var(--text-primary); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-sm { padding: 8px 18px; font-size: .85rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===== FEATURES ===== */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.feature-card { padding: 32px; text-align: center; transition: var(--transition); }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(99,102,241,.3); box-shadow: 0 12px 40px rgba(99,102,241,.1); }
.feature-icon {
  width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 16px;
  background: var(--accent-gradient); display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: #fff;
}
.feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.feature-card p { color: var(--text-secondary); font-size: .95rem; line-height: 1.7; }

/* ===== DOWNLOAD ===== */
.download-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.download-card {
  padding: 32px 24px; text-align: center; transition: var(--transition); display: block;
  color: var(--text-primary) !important;
}
.download-card:hover { transform: translateY(-4px); border-color: rgba(99,102,241,.3); }
.download-card i { font-size: 2.4rem; margin-bottom: 16px; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.download-card h3 { font-weight: 700; margin-bottom: 6px; }
.download-card p { color: var(--text-muted); font-size: .85rem; margin-bottom: 20px; }
.download-btn {
  display: inline-block; padding: 10px 24px; border-radius: var(--radius-xs);
  background: var(--accent-gradient); color: #fff !important;
  font-weight: 600; font-size: .9rem; transition: var(--transition);
}
.download-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(99,102,241,.3); }

/* ===== STEPS / GUIDE ===== */
.steps-container { display: flex; gap: 24px; align-items: flex-start; justify-content: center; flex-wrap: wrap; }
.step-card {
  flex: 1; min-width: 280px; max-width: 360px; padding: 36px 28px; position: relative;
  transition: var(--transition);
}
.step-card:hover { transform: translateY(-4px); border-color: rgba(99,102,241,.3); }
.step-number {
  position: absolute; top: -12px; right: 20px;
  font-size: 3rem; font-weight: 900; color: rgba(99,102,241,.1);
  font-family: 'JetBrains Mono', monospace; line-height: 1;
}
.step-icon { width: 56px; height: 56px; border-radius: 14px; background: var(--accent-gradient); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: #fff; margin-bottom: 20px; }
.step-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.step-card p { color: var(--text-secondary); font-size: .9rem; line-height: 1.7; margin-bottom: 16px; }
.step-details { list-style: none; }
.step-details li { display: flex; align-items: center; gap: 8px; padding: 6px 0; font-size: .85rem; color: var(--text-secondary); }
.step-details li i { color: var(--success); }
.step-details kbd {
  background: var(--bg-glass); border: 1px solid var(--border-glass); border-radius: 4px;
  padding: 2px 8px; font-family: 'JetBrains Mono', monospace; font-size: .8rem;
}
.step-details code {
  background: var(--bg-card); border-radius: 4px; padding: 2px 8px;
  font-family: 'JetBrains Mono', monospace; font-size: .8rem; color: var(--accent-1);
}
.step-connector {
  width: 40px; height: 2px; background: var(--accent-gradient); margin-top: 48px;
  display: none;
}
@media (min-width: 1024px) { .step-connector { display: block; } }
.guide-cta { text-align: center; margin-top: 48px; }

/* ===== SECURITY ===== */
.security-grid { display: grid; gap: 20px; max-width: 700px; margin: 0 auto; }
.security-item { display: flex; align-items: flex-start; gap: 20px; padding: 24px; transition: var(--transition); }
.security-item:hover { border-color: rgba(99,102,241,.2); }
.security-item i { font-size: 1.6rem; color: var(--accent-1); margin-top: 4px; }
.security-item h4 { font-weight: 600; margin-bottom: 4px; }
.security-item p { color: var(--text-secondary); font-size: .9rem; line-height: 1.6; }

/* ===== FOOTER ===== */
.footer { border-top: 1px solid var(--border-glass); padding: 40px 0; position: relative; z-index: 1; }
.footer-content { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.footer-brand img { width: 28px; height: 28px; border-radius: 8px; }
.footer-links { display: flex; gap: 20px; font-size: .9rem; }
.footer-links a { color: var(--text-muted); }
.footer-links a:hover { color: var(--text-primary); }
.footer-copy { width: 100%; text-align: center; font-size: .8rem; color: var(--text-muted); padding-top: 20px; border-top: 1px solid var(--border-glass); }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,.6); backdrop-filter: blur(8px);
  display: none; align-items: center; justify-content: center;
  padding: 24px; animation: fadeIn .2s ease;
}
.modal-overlay.open { display: flex; }
.modal { width: 100%; max-width: 440px; padding: 0; overflow: hidden; position: relative; }
.modal-close {
  position: absolute; top: 16px; right: 16px; background: none; border: none;
  color: var(--text-muted); cursor: pointer; font-size: 1.2rem; z-index: 1;
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; transition: var(--transition);
}
.modal-close:hover { background: var(--bg-card); color: var(--text-primary); }
.modal-tabs { display: flex; border-bottom: 1px solid var(--border-glass); }
.modal-tab {
  flex: 1; padding: 16px; background: none; border: none; color: var(--text-muted);
  font-weight: 600; font-size: .95rem; cursor: pointer; transition: var(--transition);
  position: relative;
}
.modal-tab.active { color: var(--accent-1); }
.modal-tab.active::after {
  content: ''; position: absolute; bottom: -1px; left: 20%; right: 20%;
  height: 2px; background: var(--accent-gradient); border-radius: 2px;
}
.modal-body { padding: 32px; }
.auth-form { display: none; flex-direction: column; }
.auth-form.active { display: flex; }
.auth-form-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--bg-glass); border: 1px solid var(--border-glass); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--accent-1); margin: 0 auto 16px; }
.auth-form h3 { text-align: center; font-size: 1.3rem; margin-bottom: 6px; }
.auth-form > p { text-align: center; color: var(--text-secondary); font-size: .9rem; margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
.form-group label i { width: 18px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border-radius: var(--radius-xs);
  background: var(--bg-card); border: 1px solid var(--border-glass); color: var(--text-primary);
  font-size: .95rem; font-family: inherit; transition: var(--transition); outline: none;
}
.form-group input:focus { border-color: var(--accent-1); box-shadow: 0 0 0 3px rgba(99,102,241,.15); }
.form-group input::placeholder { color: var(--text-muted); }
.auth-form-footnote { margin-top: 16px; font-size: .8rem; color: var(--text-muted); text-align: center; }
.telegram-connect { display: flex; align-items: center; gap: 12px; margin-top: 20px; padding: 16px; font-size: .85rem; }
.telegram-connect i { font-size: 1.4rem; color: #229ED9; }
.telegram-connect span { flex: 1; color: var(--text-secondary); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
[data-aos] { opacity: 0; transform: translateY(30px); transition: all .6s ease; }
[data-aos].aos-animate { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(10,10,15,.98); flex-direction: column; justify-content: center; gap: 12px; z-index: 999; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; z-index: 1000; }
  .hero-title { font-size: clamp(2rem, 8vw, 3rem); }
  .hero-stats { gap: 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .step-card { min-width: 100%; }
}

/* ===== GUIDE PAGE EXTRA ===== */
.guide-content { max-width: 800px; margin: 0 auto; }
.guide-section { margin-bottom: 48px; }
.guide-section h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 16px; }
.guide-section h3 { font-size: 1.2rem; font-weight: 600; margin: 24px 0 12px; color: var(--accent-1); }
.guide-section p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 12px; }
.guide-section ul, .guide-section ol { padding-left: 20px; color: var(--text-secondary); }
.guide-section li { margin-bottom: 8px; }
.guide-section pre {
  background: var(--bg-card); border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm); padding: 20px; overflow-x: auto;
  font-family: 'JetBrains Mono', monospace; font-size: .85rem; line-height: 1.6; margin: 16px 0;
}
.guide-section code { font-family: 'JetBrains Mono', monospace; font-size: .85rem; }
.guide-section pre code { font-size: inherit; }
.guide-section .guide-img { border-radius: var(--radius-sm); border: 1px solid var(--border-glass); margin: 16px 0; }

/* ===== DASHBOARD ===== */
.dashboard-layout { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; gap: 0; }
.dashboard-sidebar {
  background: var(--bg-glass); border-right: 1px solid var(--border-glass);
  padding: 24px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.dashboard-sidebar .nav-logo { padding: 0 20px 24px; border-bottom: 1px solid var(--border-glass); margin-bottom: 16px; }
.dashboard-nav { list-style: none; }
.dashboard-nav li a {
  display: flex; align-items: center; gap: 12px; padding: 12px 20px;
  color: var(--text-secondary); font-weight: 500; font-size: .9rem;
  transition: var(--transition); border-left: 3px solid transparent;
}
.dashboard-nav li a:hover, .dashboard-nav li a.active { color: var(--text-primary); background: var(--bg-card); }
.dashboard-nav li a.active { border-left-color: var(--accent-1); color: var(--accent-1); }
.dashboard-nav li a i { width: 20px; text-align: center; }
.dashboard-main { padding: 32px; }
.dashboard-header { margin-bottom: 32px; }
.dashboard-header h1 { font-size: 1.8rem; font-weight: 800; }
.dashboard-header p { color: var(--text-secondary); }
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-bottom: 32px; }
.dashboard-card { padding: 24px; }
.dashboard-card .card-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--accent-gradient); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: #fff; margin-bottom: 16px; }
.dashboard-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 4px; }
.dashboard-card p { color: var(--text-secondary); font-size: .85rem; }
.dashboard-card .card-value { font-size: 2rem; font-weight: 800; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.dashboard-section { margin-bottom: 40px; }
.dashboard-section h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; }
.settings-form { max-width: 500px; }
.settings-form .form-group { margin-bottom: 20px; }
.toggle-group { display: flex; align-items: center; justify-content: space-between; padding: 16px; margin-bottom: 12px; }
.toggle-group label { font-weight: 500; }
.toggle { position: relative; width: 48px; height: 26px; cursor: pointer; }
.toggle input { display: none; }
.toggle-slider { position: absolute; inset: 0; background: var(--bg-card); border-radius: 13px; transition: var(--transition); }
.toggle-slider::before { content: ''; position: absolute; width: 20px; height: 20px; left: 3px; bottom: 3px; background: var(--text-muted); border-radius: 50%; transition: var(--transition); }
.toggle input:checked + .toggle-slider { background: var(--accent-gradient); }
.toggle input:checked + .toggle-slider::before { transform: translateX(22px); background: #fff; }

@media (max-width: 768px) {
  .dashboard-layout { grid-template-columns: 1fr; }
  .dashboard-sidebar { display: none; }
  .dashboard-sidebar.open { display: block; position: fixed; inset: 0; z-index: 100; }
}