/* === BASE STYLES === */:root {
  --bg-deep: #0a0612;
  --bg-surface: #14091f;
  --bg-elevated: #1d1029;
  --accent: #c026d3;
  --accent-bright: #e879f9;
  --accent-glow: rgba(232, 121, 249, 0.4);
  --secondary: #7c3aed;
  --text-primary: #f5f3ff;
  --text-muted: #b5a8c9;
  --border-subtle: rgba(232, 121, 249, 0.18);
  --gradient-hero: linear-gradient(135deg, #c026d3 0%, #7c3aed 50%, #e879f9 100%);
  --gradient-card: linear-gradient(160deg, rgba(192, 38, 211, 0.12) 0%, rgba(124, 58, 237, 0.05) 100%);
  --shadow-deep: 0 30px 80px -20px rgba(192, 38, 211, 0.4);
}

* { box-sizing: border-box; }

html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(192, 38, 211, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(124, 58, 237, 0.12) 0%, transparent 45%);
  pointer-events: none;
  z-index: 0;
}

main { position: relative; z-index: 1; }

h1, h2, h3, h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1.5rem; }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); margin-top: 2rem; margin-bottom: 1rem; }
h4 { font-size: 1.15rem; }

p { color: var(--text-muted); margin-bottom: 1.1rem; }

a { color: var(--accent-bright); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--text-primary); }

.container { max-width: 1240px; padding: 0 1.5rem; margin: 0 auto; }

.cta-button, .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 2rem;
  background: var(--gradient-hero);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 10px 30px -10px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.2);
  position: relative;
  overflow: hidden;
}

.cta-button::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 50px -10px var(--accent-glow);
  color: #fff;
}

.cta-button:hover::after { left: 100%; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border: 1.5px solid var(--accent);
  border-radius: 999px;
  color: var(--text-primary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: all 0.3s;
}

.btn-ghost:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.content-image {
  margin: 2.5rem 0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-deep);
  position: relative;
}

.content-image img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s;
}

.content-image:hover img { transform: scale(1.03); }

ul.checklist, ul.feature-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.8rem;
  margin: 1.5rem 0;
}

ul.checklist li, ul.feature-list li {
  position: relative;
  padding: 1rem 1.2rem 1rem 3.2rem;
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  color: var(--text-primary);
  transition: all 0.3s;
}

ul.checklist li::before, ul.feature-list li::before {
  content: '';
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gradient-hero);
  box-shadow: 0 0 12px var(--accent-glow);
}

ul.checklist li::after {
  content: '';
  position: absolute;
  left: 1.6rem;
  top: 50%;
  transform: translateY(-65%) rotate(45deg);
  width: 6px;
  height: 11px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
}

ul.checklist li:hover, ul.feature-list li:hover {
  transform: translateX(6px);
  border-color: var(--accent-bright);
}

/* === LAYOUT STYLES === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 6, 18, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  gap: 1.5rem;
  max-width: 1240px;
  margin: 0 auto;
}

.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  text-decoration: none;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main-nav .nav-list {
  display: flex;
  gap: 2.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav .nav-list a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.3rem 0;
}

.main-nav .nav-list a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-hero);
  transition: width 0.3s;
}

.main-nav .nav-list a:hover::after { width: 100%; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0 2rem;
  margin-top: 5rem;
  position: relative;
  z-index: 1;
}

.footer-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-muted);
  font-weight: 500;
}

.footer-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
}

@media (max-width: 900px) {
  .hamburger { display: flex; }

  .header-inner {
    flex-wrap: wrap;
    gap: 0.8rem;
  }

  .main-nav {
    order: 3;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .main-nav.open { max-height: 400px; }

  .main-nav .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }

  .main-nav .nav-list li {
    border-bottom: 1px solid var(--border-subtle);
  }

  .main-nav .nav-list a {
    display: block;
    padding: 1rem 0;
  }

  .header-inner .cta-button {
    padding: 0.7rem 1.3rem;
    font-size: 0.8rem;
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (max-width: 480px) {
  .logo { font-size: 1.3rem; }
  .header-inner { padding: 0.85rem 1rem; }
}

@media (max-width: 900px) {
  .hamburger { display: flex; }

  .header-inner {
    flex-wrap: wrap;
    gap: 0.8rem;
  }

  .main-nav {
    order: 3;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .main-nav.open { max-height: 400px; }

  .main-nav .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }

  .main-nav .nav-list li {
    border-bottom: 1px solid var(--border-subtle);
  }

  .main-nav .nav-list a {
    display: block;
    padding: 1rem 0;
  }

  .header-inner .cta-button {
    padding: 0.7rem 1.3rem;
    font-size: 0.8rem;
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (max-width: 480px) {
  .logo { font-size: 1.3rem; }
  .header-inner { padding: 0.85rem 1rem; }
}