/* ═══════════════════════════════════════════════════════
   SMC Zone Scanner — Premium Landing Page
   ═══════════════════════════════════════════════════════ */

/* ─── Variables ──────────────────────────────────────── */
:root {
  --bg-deepest: #060918;
  --bg-deep: #0b1021;
  --bg-surface: #0f1629;
  --bg-card: #141b2d;
  --bg-elevated: #1a2240;
  --border: #1e2a45;
  --border-light: #2a3655;
  --text-primary: #f1f5f9;
  --text-secondary: #8892b0;
  --text-muted: #5a6585;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-gold: #f59e0b;
  --gradient: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  --gradient-subtle: linear-gradient(135deg, rgba(59,130,246,0.12), rgba(139,92,246,0.12));
  --radius: 12px;
  --radius-lg: 20px;
  --radius-full: 100px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.4);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

/* ─── Reset & Base ───────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font);
  background: var(--bg-deepest);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--accent-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-cyan); }
img { max-width: 100%; display: block; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; }

/* ─── Typography ─────────────────────────────────────── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; }

.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header h2 { margin-bottom: 0.75rem; }
.section-header p { color: var(--text-secondary); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }
.section-label {
  display: inline-block;
  background: var(--gradient-subtle);
  color: var(--accent-blue);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--font);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 16px rgba(59,130,246,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,0.4);
  color: #fff;
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  border-color: var(--border-light);
  color: var(--text-primary);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(59,130,246,0.05);
}
.btn-lg { padding: 1rem 2.5rem; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ─── Navigation ─────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(6, 9, 24, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}
.nav-logo:hover { color: var(--text-primary); }
.nav-logo svg { width: 28px; height: 28px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta .btn { padding: 0.55rem 1.3rem; font-size: 0.85rem; }

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

/* ─── Hero ───────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 10rem 0 6rem;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,130,246,0.1) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(139,92,246,0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 20% 20%, rgba(6,182,212,0.06) 0%, transparent 50%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
  animation: heroPulse 6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes heroPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.5; }
}

.hero .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gradient-subtle);
  border: 1px solid rgba(59,130,246,0.15);
  color: var(--accent-blue);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2rem;
  animation: fadeInUp 0.6s ease-out;
}
.hero h1 {
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease-out 0.1s both;
}
.hero-sub {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.7;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}
.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

/* ─── Stats Bar ──────────────────────────────────────── */
.stats-bar {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-deep);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-item {}
.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.3rem;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Sections Common ────────────────────────────────── */
.section { padding: 6rem 0; }
.section-dark { background: var(--bg-deep); }
.section-surface { background: var(--bg-surface); }

/* ─── How It Works ───────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(16.66% + 1rem);
  right: calc(16.66% + 1rem);
  height: 2px;
  background: var(--gradient);
  opacity: 0.3;
}
.step-card {
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
}
.step-number {
  width: 48px;
  height: 48px;
  background: var(--gradient);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 16px rgba(59,130,246,0.3);
}
.step-card h3 { margin-bottom: 0.75rem; font-size: 1.15rem; }
.step-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }

/* ─── Features ───────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-subtle);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
}
.feature-card h3 { margin-bottom: 0.5rem; }
.feature-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }

/* ─── Signal Preview ─────────────────────────────────── */
.preview-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.preview-text h2 { text-align: left; margin-bottom: 1rem; }
.preview-text p { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.7; margin-bottom: 1.5rem; }
.preview-features { list-style: none; }
.preview-features li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.preview-features li::before {
  content: '';
  width: 20px;
  height: 20px;
  background: var(--gradient);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.check-icon {
  color: var(--accent-green);
  font-weight: 700;
  margin-right: 0.5rem;
}

/* Telegram mockup */
.tg-mockup {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.tg-mockup-header {
  background: var(--bg-elevated);
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.tg-avatar {
  width: 36px;
  height: 36px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.tg-header-text { font-size: 0.9rem; font-weight: 600; }
.tg-header-sub { font-size: 0.75rem; color: var(--accent-green); }
.tg-mockup-body { padding: 1.2rem; }
.tg-message-bubble {
  background: var(--bg-surface);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  padding: 1rem 1.2rem;
  max-width: 95%;
  font-size: 0.88rem;
  line-height: 1.6;
}
.tg-signal-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 0.6rem;
}
.tg-signal-badge.sell { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.tg-signal-badge.buy { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.tg-signal-details {
  border-left: 2px solid var(--accent-blue);
  padding-left: 0.8rem;
  margin: 0.6rem 0;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.82rem;
}
.tg-signal-details p { margin: 0.15rem 0; }
.tg-ai-block {
  background: rgba(59,130,246,0.06);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  margin-top: 0.6rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.tg-ai-block b { color: var(--accent-blue); }
.tg-meta {
  display: flex;
  gap: 1rem;
  margin-top: 0.6rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.tg-time {
  margin-top: 0.4rem;
  text-align: right;
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Chart mockup (second message) */
.tg-chart-bubble {
  background: var(--bg-surface);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  padding: 0.4rem;
  max-width: 95%;
  margin-top: 0.5rem;
}
.tg-chart-placeholder {
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
  border-radius: 8px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  position: relative;
  overflow: hidden;
}
.tg-chart-placeholder::after {
  content: '';
  position: absolute;
  bottom: 20px;
  left: 10%;
  right: 10%;
  height: 50px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 80'%3E%3Cpath d='M0,60 L40,55 L80,65 L120,40 L160,45 L200,20 L240,25 L280,15 L320,30 L360,10 L400,18' fill='none' stroke='%233b82f6' stroke-width='2'/%3E%3Cpath d='M0,60 L40,55 L80,65 L120,40 L160,45 L200,20 L240,25 L280,15 L320,30 L360,10 L400,18 L400,80 L0,80' fill='rgba(59,130,246,0.1)'/%3E%3C/svg%3E") no-repeat center;
  background-size: contain;
}

/* ─── Telegram mockup: new analysis style ────────────── */
.tg-user-msg {
  background: rgba(59,130,246,0.15);
  border-radius: var(--radius) var(--radius) 0 var(--radius);
  margin-left: auto;
  max-width: 60%;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 600;
  padding: 0.6rem 1rem;
  margin-bottom: 0.5rem;
  text-align: right;
}
.tg-analysis-section {
  border-left: 2px solid var(--accent-blue);
  padding-left: 0.7rem;
  margin: 0.5rem 0;
  font-size: 0.82rem;
  line-height: 1.5;
}
.tg-analysis-section code {
  background: rgba(59,130,246,0.1);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  font-size: 0.8rem;
  color: var(--accent-cyan);
}
.tg-section-title {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.tg-alert-bubble {
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.15);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  margin-top: 0.5rem;
  font-size: 0.82rem;
  line-height: 1.5;
}
.tg-alert-bubble code {
  background: rgba(245,158,11,0.12);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  font-size: 0.8rem;
  color: var(--accent-gold);
}

/* ─── Bot Showcase ──────────────────────────────────── */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.showcase-card:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.showcase-label {
  background: var(--gradient-subtle);
  color: var(--accent-blue);
  padding: 0.65rem 1.2rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}
.showcase-card img {
  width: 100%;
  height: auto;
  display: block;
}
.showcase-card p {
  padding: 1.2rem 1.4rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ─── Testimonials ──────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.5rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.testimonial-card:hover {
  border-color: rgba(59,130,246,0.2);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.testimonial-stars {
  color: var(--accent-gold);
  font-size: 1rem;
  letter-spacing: 2px;
}
.testimonial-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  font-style: italic;
  flex: 1;
}
.testimonial-author {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}
.testimonial-author span {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.78rem;
  display: block;
  margin-top: 0.15rem;
}

/* ─── Pricing ────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 760px;
  margin: 0 auto;
  align-items: start;
}
.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
  transition: all var(--transition);
}
.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.plan-card.popular {
  border-color: var(--accent-blue);
  background: linear-gradient(180deg, rgba(59,130,246,0.06) 0%, var(--bg-card) 40%);
  transform: scale(1.03);
}
.plan-card.popular:hover { transform: scale(1.03) translateY(-4px); }
.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  padding: 0.35rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.plan-name { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 0.5rem; }
.plan-price { font-size: 3rem; font-weight: 800; margin-bottom: 0.3rem; }
.plan-price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.plan-period { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 2rem; }
.plan-features { list-style: none; text-align: left; margin-bottom: 2rem; }
.plan-features li {
  padding: 0.55rem 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
}
.plan-features li svg {
  flex-shrink: 0;
  margin-top: 2px;
}
.plan-card .btn { width: 100%; }

/* ─── FAQ ────────────────────────────────────────────── */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.3rem 0;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--accent-blue); }
.faq-icon {
  font-size: 1.4rem;
  color: var(--text-muted);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}
.faq-answer-inner {
  padding: 0 0 1.3rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ─── Final CTA ──────────────────────────────────────── */
.cta-final {
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(59,130,246,0.1) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 30% 80%, rgba(139,92,246,0.06) 0%, transparent 50%);
  pointer-events: none;
}
.cta-final .container { position: relative; z-index: 1; }
.cta-final h2 { margin-bottom: 1rem; }
.cta-final p { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 2rem; }

/* ─── Footer ─────────────────────────────────────────── */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text-primary); }

/* ─── Payment Modal ──────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 1rem;
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 460px;
  padding: 2.5rem;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
  transition: color var(--transition);
  border-radius: 6px;
}
.modal-close:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }

.modal-header {
  text-align: center;
  margin-bottom: 2rem;
}
.modal-header h3 { font-size: 1.4rem; margin-bottom: 0.3rem; }
.modal-header .modal-price {
  font-size: 1rem;
  color: var(--accent-blue);
  font-weight: 600;
}

/* Modal steps */
.modal-step { display: none; }
.modal-step.active { display: block; }

.modal-input-group { margin-bottom: 1.5rem; }
.modal-input-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}
.modal-input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font);
  transition: border-color var(--transition);
  outline: none;
}
.modal-input:focus { border-color: var(--accent-blue); }
.modal-input::placeholder { color: var(--text-muted); }
.modal-input.error { border-color: var(--accent-red); }
.modal-input-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

.modal-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.2);
  color: var(--accent-red);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  display: none;
}
.modal-error.visible { display: block; }

.modal-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.modal-divider::before, .modal-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Payment element container */
#payment-element {
  margin-bottom: 1.5rem;
  min-height: 100px;
}

.payment-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  color: var(--text-muted);
  gap: 0.75rem;
  font-size: 0.9rem;
}

/* Success state */
.modal-success {
  text-align: center;
  padding: 1rem 0;
}
.success-checkmark {
  width: 72px;
  height: 72px;
  background: rgba(16,185,129,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}
.success-checkmark svg { width: 36px; height: 36px; color: var(--accent-green); }
.modal-success h3 { font-size: 1.4rem; margin-bottom: 0.5rem; }
.modal-success p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}
.modal-success .btn { margin-bottom: 0.75rem; }

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}
.spinner-dark {
  border-color: rgba(59,130,246,0.3);
  border-top-color: var(--accent-blue);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Animations ─────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive ─────────────────────────────────────── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .preview-layout { grid-template-columns: 1fr; gap: 2rem; }
  .preview-text h2 { text-align: center; }
  .preview-text p { text-align: center; }
  .preview-features { max-width: 400px; margin: 0 auto; }
  .tg-mockup { max-width: 420px; margin: 0 auto; }
  .showcase-grid { grid-template-columns: 1fr 1fr; }
  .showcase-grid .showcase-card:last-child {
    grid-column: 1 / -1;
    max-width: 50%;
    margin: 0 auto;
  }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero { padding: 7rem 0 4rem; }
  .nav-links { display: none; }
  .nav-mobile-toggle { display: block; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .steps-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .steps-grid::before { display: none; }
  .features-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
  .plan-card.popular { transform: none; }
  .plan-card.popular:hover { transform: translateY(-4px); }
  .footer-inner { flex-direction: column; text-align: center; }
  .modal { padding: 1.8rem; }
  .section { padding: 4rem 0; }
  .showcase-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .showcase-grid .showcase-card:last-child { max-width: 100%; }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

@media (max-width: 480px) {
  .hero { padding: 6rem 0 3rem; }
  .hero-sub { font-size: 1rem; }
  .hero-buttons .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-value { font-size: 1.6rem; }
  .plan-price { font-size: 2.5rem; }
  .modal { padding: 1.5rem; max-height: 95vh; }
}