/* ============================================
   CSS CUSTOM PROPERTIES
============================================ */
:root {
  --bg: #050b18;
  --bg-2: #080f22;
  --bg-card: #0b1428;
  --surface: #111d35;
  --border: rgba(0, 255, 240, 0.12);
  --border-subtle: rgba(255,255,255,0.06);
  --text: #e8eef8;
  --text-muted: #7a8aaa;
  --text-dim: #3d4d6a;
  --accent: #00f0d8;
  --accent-2: #4d6cfa;
  --accent-glow: rgba(0, 240, 216, 0.15);
  --danger: #ff4d6d;
  --success: #00e5a0;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-accent: 0 0 40px rgba(0, 240, 216, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-w: 1200px;
  --header-h: 72px;
}

/* ============================================
   RESET & BASE
============================================ */
*, *::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(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ============================================
   TYPOGRAPHY
============================================ */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 6vw, 5rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; }
.accent { color: var(--accent); }
.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   LAYOUT UTILITIES
============================================ */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
section { padding: 100px 0; position: relative; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-label::before { content: ''; width: 20px; height: 2px; background: var(--accent); display: block; }
.section-header { margin-bottom: 64px; }
.section-header p { color: var(--text-muted); font-size: 1.1rem; max-width: 580px; margin-top: 16px; }

/* ============================================
   BUTTONS
============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn::after { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.07); opacity: 0; transition: var(--transition); }
.btn:hover::after { opacity: 1; }
.btn-primary { background: linear-gradient(135deg, var(--accent) 0%, #00c9b8 100%); color: #050b18; font-weight: 600; box-shadow: 0 4px 24px rgba(0,240,216,0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,240,216,0.45); }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--accent); border: 1px solid rgba(0,240,216,0.4); padding: 10px 22px; font-size: 0.875rem; }
.btn-outline:hover { background: var(--accent-glow); border-color: var(--accent); }

/* ============================================
   SKIP LINK
============================================ */
.skip-link { position: fixed; top: -100%; left: 20px; z-index: 9999; background: var(--accent); color: #050b18; padding: 10px 20px; border-radius: 8px; font-weight: 600; font-size: 0.875rem; transition: top 0.2s; }
.skip-link:focus { top: 20px; }

/* ============================================
   HEADER
============================================ */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--header-h); transition: transform 0.4s ease, background 0.3s ease, box-shadow 0.3s ease; }
.site-header.scrolled { background: rgba(5,11,24,0.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); box-shadow: 0 1px 0 var(--border-subtle); }
.site-header.hidden { transform: translateY(-100%); }
.header-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { color: var(--accent); display: flex; align-items: center; }
.logo-text { font-family: var(--font-display); font-size: 1.35rem; font-weight: 800; color: var(--text); }
.main-nav ul { display: flex; align-items: center; gap: 6px; }
.main-nav a { padding: 8px 14px; border-radius: 6px; font-size: 0.875rem; font-weight: 500; color: var(--text-muted); transition: var(--transition); }
.main-nav a:hover, .main-nav a.active { color: var(--text); background: var(--surface); }
.header-cta { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 36px; height: 36px; padding: 6px; border-radius: 6px; transition: var(--transition); }
.menu-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); transform-origin: center; }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO
============================================ */
#hero { min-height: 100vh; display: flex; align-items: center; padding: 120px 0 80px; position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.hero-bg-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(0,240,216,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0,240,216,0.03) 1px, transparent 1px); background-size: 60px 60px; mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%); -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%); }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; }
.hero-orb-1 { width: 600px; height: 600px; background: radial-gradient(circle, rgba(0,240,216,0.12) 0%, transparent 70%); top: -100px; left: -150px; animation: orbFloat 8s ease-in-out infinite; }
.hero-orb-2 { width: 500px; height: 500px; background: radial-gradient(circle, rgba(77,108,250,0.12) 0%, transparent 70%); top: 100px; right: -100px; animation: orbFloat 10s ease-in-out infinite reverse; }
.hero-orb-3 { width: 300px; height: 300px; background: radial-gradient(circle, rgba(0,240,216,0.08) 0%, transparent 70%); bottom: 0; left: 50%; animation: orbFloat 6s ease-in-out infinite 2s; }
@keyframes orbFloat { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-30px) scale(1.05); } }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 100px; background: rgba(0,240,216,0.08); border: 1px solid rgba(0,240,216,0.2); font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); margin-bottom: 24px; width: fit-content; }
.hero-badge-dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; animation: pulse 2s ease infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }
.hero-title { margin-bottom: 24px; }
.hero-title .line-2 { display: block; }
.hero-desc { color: var(--text-muted); font-size: 1.1rem; max-width: 480px; margin-bottom: 40px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--border-subtle); }
.stat-number { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--text); line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); }
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.device-mockup-wrap { position: relative; width: 100%; max-width: 480px; margin: 0 auto; }
.device-float-1, .device-float-2 { animation: deviceFloat 6s ease-in-out infinite; }
.device-float-2 { animation-delay: -3s; animation-duration: 7s; }
@keyframes deviceFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-18px); } }
.hero-url-bar { display: flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 16px; margin-top: 20px; font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted); }
.url-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; flex-shrink: 0; }
.phone-svg { transition: var(--transition); }
.phone-svg:hover { filter: drop-shadow(0 0 20px rgba(0,240,216,0.4)); }

/* ============================================
   FEATURES
============================================ */
#features { background: var(--bg-2); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 32px; transition: var(--transition); position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, var(--accent-glow) 0%, transparent 60%); opacity: 0; transition: var(--transition); }
.feature-card:hover { border-color: rgba(0,240,216,0.3); transform: translateY(-4px); box-shadow: var(--shadow-accent); }
.feature-card:hover::before { opacity: 1; }
.feature-icon { width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.4rem; position: relative; }
.feature-icon-1 { background: rgba(0,240,216,0.12); }
.feature-icon-2 { background: rgba(77,108,250,0.12); }
.feature-icon-3 { background: rgba(0,229,160,0.12); }
.feature-icon-4 { background: rgba(255,200,0,0.12); }
.feature-icon-5 { background: rgba(255,77,109,0.12); }
.feature-icon-6 { background: rgba(170,100,255,0.12); }
.feature-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.feature-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }
.feature-card.featured { grid-column: span 2; background: linear-gradient(135deg, rgba(0,240,216,0.06) 0%, rgba(77,108,250,0.06) 100%); border-color: rgba(0,240,216,0.2); display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.feature-card.featured .feature-preview { background: var(--bg); border-radius: var(--radius); padding: 16px; border: 1px solid var(--border-subtle); }
.device-strip { display: flex; gap: 8px; align-items: flex-end; }
.device-strip-item { background: var(--surface); border-radius: 6px; border: 1px solid var(--border); flex: 1; display: flex; flex-direction: column; align-items: center; padding: 8px 4px; gap: 4px; }
.device-strip-item .bar { width: 100%; height: 4px; background: var(--border); border-radius: 2px; }
.device-strip-item .bar.filled { background: var(--accent); width: 80%; }
.device-strip-label { font-size: 0.6rem; color: var(--text-muted); font-family: var(--font-mono); }

/* ============================================
   HOW IT WORKS
============================================ */
#how-it-works { overflow: hidden; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.steps-grid::before { content: ''; position: absolute; top: 44px; left: calc(12.5% + 44px); right: calc(12.5% + 44px); height: 2px; background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%); opacity: 0.3; z-index: 0; }
.step-item { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 16px; position: relative; z-index: 1; }
.step-num { width: 88px; height: 88px; border-radius: 50%; background: var(--bg-card); border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--accent); margin-bottom: 24px; position: relative; transition: var(--transition); box-shadow: 0 0 0 6px var(--bg); }
.step-item:hover .step-num { border-color: var(--accent); background: rgba(0,240,216,0.08); box-shadow: 0 0 0 6px var(--bg), 0 0 30px rgba(0,240,216,0.25); }
.step-icon { position: absolute; bottom: -8px; right: -8px; background: var(--bg-card); border-radius: 50%; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; border: 1px solid var(--border); }
.step-item h3 { font-size: 1.05rem; margin-bottom: 10px; }
.step-item p { color: var(--text-muted); font-size: 0.875rem; line-height: 1.7; }

/* ============================================
   SHOWCASE
============================================ */
#showcase { background: var(--bg-2); overflow: hidden; }
.devices-scroll-wrap { overflow: hidden; margin: 0 -24px; }
.devices-scroll { display: flex; gap: 24px; padding: 20px 24px 40px; animation: scrollDevices 30s linear infinite; width: max-content; }
.devices-scroll:hover { animation-play-state: paused; }
@keyframes scrollDevices { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.device-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 16px; padding: 20px; width: 200px; flex-shrink: 0; transition: var(--transition); text-align: center; }
.device-card:hover { border-color: rgba(0,240,216,0.3); transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.device-card-svg { margin: 0 auto 12px; color: var(--accent); }
.device-card-name { font-family: var(--font-display); font-size: 0.85rem; font-weight: 600; }
.device-card-size { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); margin-top: 4px; }

/* ============================================
   PRICING
============================================ */
.pricing-toggle { display: flex; align-items: center; gap: 12px; margin-bottom: 48px; font-size: 0.9rem; }
.toggle-switch { width: 48px; height: 26px; background: var(--surface); border-radius: 100px; border: 1px solid var(--border); position: relative; cursor: pointer; transition: var(--transition); }
.toggle-switch.active { background: var(--accent); border-color: var(--accent); }
.toggle-switch::after { content: ''; width: 18px; height: 18px; background: white; border-radius: 50%; position: absolute; top: 3px; left: 3px; transition: var(--transition); box-shadow: 0 2px 6px rgba(0,0,0,0.3); }
.toggle-switch.active::after { left: 25px; }
.toggle-save { background: rgba(0,229,160,0.12); color: var(--success); font-size: 0.7rem; font-weight: 600; padding: 2px 8px; border-radius: 100px; font-family: var(--font-mono); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 36px; position: relative; transition: var(--transition); }
.pricing-card:hover { border-color: rgba(0,240,216,0.25); transform: translateY(-4px); }
.pricing-card.popular { border-color: var(--accent); background: linear-gradient(180deg, rgba(0,240,216,0.06) 0%, var(--bg-card) 100%); box-shadow: 0 0 60px rgba(0,240,216,0.1); }
.popular-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--accent) 0%, #00c9b8 100%); color: #050b18; font-size: 0.7rem; font-weight: 700; font-family: var(--font-mono); padding: 4px 14px; border-radius: 100px; letter-spacing: 0.05em; text-transform: uppercase; white-space: nowrap; }
.plan-name { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.plan-desc { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 28px; }
.plan-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 32px; }
.price-currency { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; color: var(--text-muted); }
.price-amount { font-family: var(--font-display); font-size: 3.2rem; font-weight: 800; line-height: 1; }
.price-period { font-size: 0.875rem; color: var(--text-muted); }
.plan-features { margin-bottom: 32px; display: flex; flex-direction: column; gap: 12px; }
.plan-feature { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; }
.plan-feature-check { width: 18px; height: 18px; border-radius: 50%; background: rgba(0,229,160,0.12); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--success); font-size: 0.65rem; }
.plan-feature.disabled { color: var(--text-dim); }
.plan-feature.disabled .plan-feature-check { background: rgba(255,255,255,0.04); color: var(--text-dim); }

/* ============================================
   TESTIMONIALS
============================================ */
#testimonials { background: var(--bg-2); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 32px; transition: var(--transition); display: flex; flex-direction: column; }
.testimonial-card:hover { border-color: rgba(0,240,216,0.2); transform: translateY(-4px); }
.testimonial-stars { display: flex; gap: 4px; color: #ffc800; font-size: 0.9rem; margin-bottom: 16px; }
.testimonial-text { color: var(--text-muted); font-size: 0.95rem; line-height: 1.75; flex: 1; margin-bottom: 24px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800; font-size: 1rem; flex-shrink: 0; }
.author-name { font-weight: 600; font-size: 0.9rem; }
.author-role { font-size: 0.775rem; color: var(--text-muted); }

/* ============================================
   FAQ
============================================ */
#faq { background: var(--bg); }
.faq-wrap { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius); overflow: hidden; transition: border-color var(--transition); }
.faq-item.open { border-color: rgba(0,240,216,0.3); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 28px; font-family: var(--font-display); font-size: 1rem; font-weight: 600; color: var(--text); text-align: left; cursor: pointer; transition: color var(--transition); }
.faq-item.open .faq-question { color: var(--accent); }
.faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--surface); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--accent); font-size: 1.1rem; font-weight: 300; transition: transform var(--transition), background var(--transition); }
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(0,240,216,0.12); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer-inner { padding: 0 28px 24px; color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; }
.faq-answer-inner a { color: var(--accent); text-decoration: underline; }
.faq-answer-inner code { font-family: var(--font-mono); font-size: 0.85em; background: var(--surface); padding: 2px 6px; border-radius: 4px; color: var(--accent); }

/* ============================================
   CTA
============================================ */
#cta { background: var(--bg); padding: 80px 0 120px; text-align: center; overflow: hidden; }
.cta-inner { position: relative; background: linear-gradient(135deg, rgba(0,240,216,0.06) 0%, rgba(77,108,250,0.06) 100%); border: 1px solid rgba(0,240,216,0.2); border-radius: 32px; padding: 80px 48px; overflow: hidden; }
.cta-orb { position: absolute; width: 400px; height: 400px; background: radial-gradient(circle, rgba(0,240,216,0.15) 0%, transparent 70%); border-radius: 50%; filter: blur(60px); top: -100px; left: 50%; transform: translateX(-50%); pointer-events: none; }
.cta-inner h2 { margin-bottom: 16px; font-size: clamp(2rem, 4vw, 3.5rem); }
.cta-inner > p { color: var(--text-muted); font-size: 1.1rem; max-width: 500px; margin: 0 auto 40px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-note { margin-top: 20px; color: var(--text-dim); font-size: 0.825rem; }

/* ============================================
   FOOTER
============================================ */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--border-subtle); padding-top: 80px; position: relative; overflow: hidden; }
.footer-glow { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 600px; height: 200px; background: radial-gradient(ellipse, rgba(0,240,216,0.05) 0%, transparent 70%); pointer-events: none; }
.footer-top { display: grid; grid-template-columns: 300px 1fr; gap: 80px; margin-bottom: 60px; }
.footer-tagline { color: var(--text-muted); font-size: 0.875rem; line-height: 1.7; margin: 16px 0 24px; }
.social-links { display: flex; gap: 10px; }
.social-links a { width: 38px; height: 38px; border-radius: 8px; background: var(--surface); border: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: var(--transition); }
.social-links a:hover { color: var(--accent); border-color: rgba(0,240,216,0.4); background: rgba(0,240,216,0.06); }
.footer-links-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.footer-col h3 { font-family: var(--font-display); font-size: 0.875rem; font-weight: 700; margin-bottom: 16px; color: var(--text); }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--text-muted); font-size: 0.875rem; transition: var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { padding: 24px 0; border-top: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: space-between; color: var(--text-dim); font-size: 0.8rem; gap: 16px; }

/* ============================================
   SCROLL REVEAL
============================================ */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card.featured { grid-column: span 1; grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .steps-grid::before { display: none; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 48px; }
  .footer-links-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  section { padding: 72px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero-desc { margin: 0 auto 40px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .pricing-grid { max-width: 100%; }
  .footer-links-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-inner { padding: 48px 24px; }
  .main-nav { position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; background: rgba(5,11,24,0.98); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); display: flex; align-items: flex-start; padding: 32px 24px; transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); z-index: 999; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 4px; width: 100%; }
  .main-nav a { padding: 14px 16px; font-size: 1rem; display: block; }
  .menu-toggle { display: flex; }
}
@media (max-width: 480px) {
  .section-header { margin-bottom: 40px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .footer-links-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}