/* === BASE STYLES === */:root {
  --color-1: #0a0a1a;
  --color-2: #0d1b3e;
  --color-3: #0b2545;
  --color-4: #00e5ff;
  --color-5: #00b8d9;
  --color-6: #ffffff;
  --color-7: #b0c4d8;
  --color-8: #1a2e50;
  --color-9: #0e3460;
  --color-10: #00e5ff22;
  --color-11: #00e5ff44;
  --color-12: #ff6b35;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --radius-1: 8px;
  --radius-2: 16px;
  --radius-3: 24px;
  --shadow-1: 0 4px 24px rgba(0,229,255,0.10);
  --shadow-2: 0 8px 40px rgba(0,229,255,0.18);
  --shadow-3: 0 2px 12px rgba(0,0,0,0.5);
  --font-1: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; max-width: 100vw; scroll-behavior: smooth; }

body {
  background: var(--color-1);
  color: var(--color-6);
  font-family: var(--font-1);
  line-height: 1.7;
  font-size: 1rem;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-3); }

h1 { font-size: clamp(2rem, 5vw, 4rem); font-weight: 800; line-height: 1.15; letter-spacing: -1px; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 600; }

p { color: var(--color-7); margin-bottom: var(--space-2); }
p:last-child { margin-bottom: 0; }
a { color: var(--color-4); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-5); }

strong { color: var(--color-6); }

.btn-primary, .cta-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-4) 0%, var(--color-5) 100%);
  color: var(--color-1) !important;
  font-weight: 800;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
  box-shadow: 0 4px 24px rgba(0,229,255,0.35);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.btn-primary:hover, .cta-button:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 40px rgba(0,229,255,0.5);
  filter: brightness(1.1);
  color: var(--color-1) !important;
}

.card {
  background: var(--color-8);
  border: 1px solid var(--color-10);
  border-radius: var(--radius-2);
  padding: var(--space-4);
  transition: transform 0.25s, box-shadow 0.25s;
  box-shadow: var(--shadow-3);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.w-full { width: 100%; }
.text-accent { color: var(--color-4); }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }

.section-divider {
  width: 60px; height: 4px;
  background: linear-gradient(90deg, var(--color-4), var(--color-5));
  border-radius: 2px;
  margin-bottom: var(--space-3);
}

.content-image { margin: var(--space-4) 0; }
.content-image img { width: 100%; height: auto; border-radius: var(--radius-2); display: block; border: 1px solid var(--color-10); }

ul, ol { color: var(--color-7); }

/* === LAYOUT STYLES === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10,10,26,0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-10);
  box-shadow: 0 2px 24px rgba(0,0,0,0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  gap: var(--space-2);
}

.logo { flex-shrink: 0; }
.logo-text {
  font-size: 1.7rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-4), #7ef9ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: 1px solid var(--color-10);
  border-radius: var(--radius-1);
  padding: 8px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-4);
  border-radius: 2px;
  transition: transform 0.3s, opacity 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); }

.main-nav .nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}
.main-nav .nav-list a {
  color: var(--color-7);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-1);
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.main-nav .nav-list a:hover { color: var(--color-4); background: var(--color-10); }

.header-cta { flex-shrink: 0; max-width: 160px; overflow: hidden; text-overflow: ellipsis; }

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .header-cta { display: none; }
  .header-inner { flex-wrap: wrap; }

  .main-nav {
    display: none;
    width: 100%;
    order: 3;
    padding-bottom: var(--space-2);
  }
  .main-nav.open { display: block; }
  .main-nav .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }
  .main-nav .nav-list a { font-size: 1rem; padding: 0.6rem 1rem; display: block; }
  .mobile-cta-bar {
    display: flex;
    padding: var(--space-2) var(--space-3);
    background: var(--color-8);
    border-top: 1px solid var(--color-10);
  }
  .mobile-cta-bar .btn-primary { width: 100%; text-align: center; }
}

@media (min-width: 768px) {
  .mobile-cta-bar { display: none; }
}

.site-footer {
  background: var(--color-8);
  border-top: 1px solid var(--color-10);
  padding: var(--space-5) 0 var(--space-4);
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: var(--space-3); text-align: center; }
.footer-nav-list { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2) var(--space-3); padding: 0; margin: 0; }
.footer-nav-list a { color: var(--color-7); font-size: 0.9rem; transition: color 0.2s; }
.footer-nav-list a:hover { color: var(--color-4); }
.footer-disclaimer { color: var(--color-7); font-size: 0.85rem; max-width: 600px; }
.footer-copyright { color: #4a6080; font-size: 0.8rem; }

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .header-cta { display: none; }
  .header-inner { flex-wrap: wrap; }

  .main-nav {
    display: none;
    width: 100%;
    order: 3;
    padding-bottom: var(--space-2);
  }
  .main-nav.open { display: block; }
  .main-nav .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }
  .main-nav .nav-list a { font-size: 1rem; padding: 0.6rem 1rem; display: block; }
  .mobile-cta-bar {
    display: flex;
    padding: var(--space-2) var(--space-3);
    background: var(--color-8);
    border-top: 1px solid var(--color-10);
  }
  .mobile-cta-bar .btn-primary { width: 100%; text-align: center; }
}

@media (max-width: 479px) {
  .hero-section { padding: var(--space-5) 0 var(--space-4); }
  .hero-stat { min-width: 100px; }
  .hero-stat-value { font-size: 1.3rem; }
  .btn-primary, .cta-button { padding: 0.7rem 1.5rem; font-size: 0.95rem; }
}