/* === BASE STYLES === */:root {
  --color-1: #0a0a1a;
  --color-2: #0d1f3c;
  --color-3: #00e5ff;
  --color-4: #00b8d4;
  --color-5: #ffffff;
  --color-6: #e0f7fa;
  --color-7: #1a2a4a;
  --color-8: #0097a7;
  --color-9: #00e5ff22;
  --color-accent: #00e5ff;
  --color-gold: #ffd700;
  --color-text: #cfd8e3;
  --color-text-light: #ffffff;
  --color-card-bg: #0f1e35;
  --color-card-border: #00e5ff33;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --radius-1: 8px;
  --radius-2: 16px;
  --radius-3: 24px;
  --shadow-1: 0 4px 20px rgba(0,229,255,0.12);
  --shadow-2: 0 8px 40px rgba(0,229,255,0.2);
  --shadow-3: 0 20px 60px rgba(0,0,0,0.5);
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
}

html, body {
  overflow-x: hidden;
  max-width: 100vw;
  background-color: var(--color-1);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
}

h1, h2, h3, h4 {
  color: var(--color-text-light);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); margin-bottom: var(--space-3); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); margin-bottom: var(--space-2); }

p { color: var(--color-text); margin-bottom: var(--space-2); }

a { color: var(--color-3); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-gold); }

ul { list-style: none; padding: 0; }

section { padding: var(--space-6) 0; position: relative; overflow: hidden; }
section:nth-child(even) { background: var(--color-2); }
section:nth-child(odd) { background: var(--color-1); }

.action-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-3), var(--color-4));
  color: var(--color-1);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  box-shadow: 0 0 20px rgba(0,229,255,0.4);
  letter-spacing: 0.03em;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.action-button:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 0 40px rgba(0,229,255,0.7);
  color: var(--color-1);
  background: linear-gradient(135deg, #fff176, var(--color-gold));
}

.action-button-outline {
  display: inline-block;
  border: 2px solid var(--color-3);
  color: var(--color-3);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.action-button-outline:hover {
  background: var(--color-3);
  color: var(--color-1);
  box-shadow: var(--shadow-2);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-3);
  background: var(--color-9);
  border: 1px solid var(--color-3);
  border-radius: 50px;
  padding: 0.3rem 1rem;
  margin-bottom: var(--space-2);
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.25);
  border-radius: 50px;
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  color: var(--color-6);
  font-weight: 600;
}

.content-image {
  margin: var(--space-3) 0;
  border-radius: var(--radius-2);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-2);
}
.content-image img {
  width: 100%;
  height: auto;
  display: block;
  max-width: 100%;
  object-fit: cover;
}
.content-image.wide { max-width: 100%; }

.checklist { margin: var(--space-3) 0; }
.checklist li {
  padding: 0.5rem 0 0.5rem 2rem;
  position: relative;
  color: var(--color-text);
  border-bottom: 1px solid rgba(0,229,255,0.08);
}
.checklist li:last-child { border-bottom: none; }
.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-3);
  font-weight: 700;
}

.highlight-list { margin: var(--space-2) 0; }
.highlight-list li {
  padding: 0.5rem 0 0.5rem 2rem;
  position: relative;
  color: var(--color-text);
}
.highlight-list li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--color-3);
  font-size: 0.6rem;
  top: 0.75rem;
}

.feature-list li {
  padding: 0.5rem 0 0.5rem 2rem;
  position: relative;
  color: var(--color-text);
  border-bottom: 1px solid rgba(0,229,255,0.08);
}
.feature-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-3);
  font-weight: 700;
}

.premium-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-2);
  padding: var(--space-4);
  transition: all var(--transition);
  box-shadow: var(--shadow-1);
  height: auto;
}
.premium-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: var(--color-3);
}

.highlight-box {
  background: linear-gradient(135deg, var(--color-card-bg), rgba(0,229,255,0.05));
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-2);
  padding: var(--space-3);
  transition: all var(--transition);
  box-shadow: var(--shadow-1);
}
.highlight-box:hover {
  transform: translateY(-3px);
  border-color: var(--color-3);
  box-shadow: var(--shadow-2);
}
.highlight-box h3 { color: var(--color-3); font-size: 1rem; margin-bottom: 0.5rem; }

.info-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-2);
  padding: var(--space-3);
  transition: all var(--transition);
}
.info-card:hover {
  border-color: var(--color-3);
  box-shadow: var(--shadow-2);
  transform: translateY(-3px);
}
.info-card h3 { color: var(--color-3); }

.icon-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}
.feature-icon-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-1);
  padding: var(--space-2) var(--space-3);
  transition: all var(--transition);
}
.feature-icon-item:hover {
  border-color: var(--color-3);
  transform: translateX(4px);
}
.feature-icon { font-size: 1.5rem; flex-shrink: 0; }

.comparison-table {
  width: 100%;
  border-collapse: collapse;
}
.comparison-table th {
  background: linear-gradient(135deg, var(--color-3), var(--color-8));
  color: var(--color-1);
  padding: 0.85rem 1rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}
.comparison-table td {
  padding: 0.75rem 1rem;
  color: var(--color-text);
  border-bottom: 1px solid rgba(0,229,255,0.1);
  font-size: 0.9rem;
}
.comparison-table tr:nth-child(even) td { background: rgba(0,229,255,0.04); }
.comparison-table tr:hover td { background: rgba(0,229,255,0.08); }
.table-responsive {
  border-radius: var(--radius-2);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-1);
}

.category-block {
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-2);
}
.category-block h3 { color: var(--color-3); }

.accordion-item {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-1);
  margin-bottom: var(--space-2);
  overflow: hidden;
}
.accordion-header { margin: 0; }
.accordion-header button {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--color-text-light);
  font-size: 1rem;
  font-weight: 600;
  padding: 1.2rem 1.5rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition);
  gap: var(--space-2);
}
.accordion-header button::after {
  content: '+';
  color: var(--color-3);
  font-size: 1.5rem;
  font-weight: 300;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.accordion-header button[aria-expanded="true"] { color: var(--color-3); }
.accordion-header button[aria-expanded="true"]::after { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
}
.accordion-body-inner {
  padding: 0 1.5rem 1.2rem;
  color: var(--color-text);
}

.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-3);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.divider-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-3), transparent);
  margin: var(--space-5) 0;
  border: none;
}

/* === LAYOUT STYLES === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10,10,26,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,229,255,0.2);
  box-shadow: 0 2px 30px rgba(0,0,0,0.4);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85rem var(--space-2);
  position: relative;
}
.logo { flex-shrink: 0; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: 1px solid rgba(0,229,255,0.3);
  border-radius: var(--radius-1);
  padding: 0.5rem;
  cursor: pointer;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  margin-left: auto;
  transition: all var(--transition);
}
.hamburger:hover { border-color: var(--color-3); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-3);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.main-nav { margin-left: auto; }
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}
header nav .nav-list a {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-1);
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
header nav .nav-list a:hover {
  color: var(--color-3);
  background: rgba(0,229,255,0.08);
}

.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-3), var(--color-4));
  color: var(--color-1) !important;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.65rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  transition: all var(--transition);
  box-shadow: 0 0 15px rgba(0,229,255,0.35);
  flex-shrink: 0;
  max-width: 200px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0,229,255,0.6);
  color: var(--color-1) !important;
  background: linear-gradient(135deg, var(--color-gold), #ffb300);
}

.site-footer {
  background: var(--color-1);
  border-top: 1px solid rgba(0,229,255,0.15);
  padding: var(--space-4) 0;
}
.footer-inner { text-align: center; }
.footer-legal { display: flex; justify-content: center; flex-wrap: wrap; gap: var(--space-2) var(--space-4); margin-bottom: var(--space-3); }
.footer-legal a { color: rgba(255,255,255,0.55); font-size: 0.85rem; transition: color var(--transition); }
.footer-legal a:hover { color: var(--color-accent); }
.footer-copyright { color: rgba(255,255,255,0.4); font-size: 0.82rem; margin: 0; }

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10,10,26,0.98);
    border-bottom: 1px solid rgba(0,229,255,0.2);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
    margin-left: 0;
  }
  .main-nav.is-open { max-height: 300px; }
  header nav .nav-list {
    flex-direction: column;
    padding: var(--space-2);
    gap: var(--space-1);
    align-items: stretch;
  }
  header nav .nav-list a {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-1);
    text-align: center;
  }
  .header-inner {
    flex-wrap: wrap;
    padding: 0.75rem var(--space-2);
  }
  .cta-button {
    width: 100%;
    max-width: 100%;
    text-align: center;
    order: 3;
    margin-top: 0.5rem;
    flex-basis: 100%;
  }
}

@media (min-width: 768px) {
  .hamburger { display: none; }
  .main-nav { display: block !important; max-height: none !important; }
}

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10,10,26,0.98);
    border-bottom: 1px solid rgba(0,229,255,0.2);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
    margin-left: 0;
  }
  .main-nav.is-open { max-height: 300px; }
  header nav .nav-list {
    flex-direction: column;
    padding: var(--space-2);
    gap: var(--space-1);
    align-items: stretch;
  }
  header nav .nav-list a {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-1);
    text-align: center;
  }
  .header-inner {
    flex-wrap: wrap;
    padding: 0.75rem var(--space-2);
  }
  .cta-button {
    width: 100%;
    max-width: 100%;
    text-align: center;
    order: 3;
    margin-top: 0.5rem;
    flex-basis: 100%;
  }
}

@media (min-width: 768px) {
  .hamburger { display: none; }
  .main-nav { display: block !important; max-height: none !important; }
}