/* ============================================================
   NASAIC – Global Styles
   ============================================================ */

:root {
  --navy:       #080c18;
  --navy-mid:   #0d1528;
  --navy-light: #131e35;
  --blue:       #1a6fd4;
  --blue-light: #3b8de8;
  --blue-glow:  rgba(26, 111, 212, 0.25);
  --gold:       #c9a227;
  --gold-light: #e0b93a;
  --silver:     #c0c7d4;
  --silver-dim: #8a94a6;
  --white:      #e8edf5;
  --text-muted: #6b7a94;
  --border:     rgba(26, 111, 212, 0.2);
  --border-gold: rgba(201, 162, 39, 0.3);
  --radius:     8px;
  --radius-lg:  16px;
  --transition: 0.25s ease;
  --shadow:     0 4px 24px rgba(0,0,0,0.4);
  --glow:       0 0 20px rgba(26, 111, 212, 0.3);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--navy);
  color: var(--white);
  line-height: 1.6;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: var(--blue-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold); }
ul { list-style: none; }

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
h4 { font-size: 1rem; }

.gradient-text {
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gold-text { color: var(--gold); }
.muted { color: var(--text-muted); }

/* ============================================================
   Layout
   ============================================================ */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header p { color: var(--silver-dim); max-width: 600px; margin: 16px auto 0; font-size: 1.05rem; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.divider {
  width: 56px; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--gold));
  border-radius: 2px;
  margin: 20px auto 0;
}

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, #1459a8 100%);
  color: var(--white);
  box-shadow: 0 0 20px rgba(26,111,212,0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue) 100%);
  color: var(--white);
  box-shadow: 0 0 30px rgba(26,111,212,0.55);
  transform: translateY(-2px);
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, #a07d14 100%);
  color: #080c18;
  box-shadow: 0 0 20px rgba(201,162,39,0.3);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
  color: #080c18;
  box-shadow: 0 0 30px rgba(201,162,39,0.5);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--silver);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue-light);
  background: var(--blue-glow);
}
.btn-sm { padding: 10px 20px; font-size: 0.875rem; }
.btn-lg { padding: 18px 36px; font-size: 1.05rem; }

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.card:hover {
  border-color: rgba(26,111,212,0.45);
  box-shadow: var(--glow);
  transform: translateY(-4px);
}
.card-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  background: var(--blue-glow);
  border: 1px solid var(--border);
}

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8,12,24,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.nav-logo img {
  width: 72px; height: 72px;
}
.nav-logo-text {
  display: none;
}
.nav-logo-sub {
  display: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--silver);
  transition: all var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--white);
  background: var(--blue-glow);
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--silver);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: rgba(8,12,24,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 99;
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--silver);
  font-size: 1rem;
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile .btn { margin-top: 16px; width: 100%; justify-content: center; }

/* ============================================================
   Hero (canvas background)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.6;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, var(--navy) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1160px;
  margin: 0 auto;
  padding: 80px 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-gold);
  background: rgba(201,162,39,0.08);
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-content h1 { max-width: 760px; margin-bottom: 24px; }
.hero-content p { max-width: 600px; color: var(--silver-dim); font-size: 1.15rem; margin-bottom: 40px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.hero-stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--blue-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label { font-size: 0.85rem; color: var(--silver-dim); margin-top: 6px; }

/* ============================================================
   Pillars
   ============================================================ */
.pillar-icon { font-size: 2rem; margin-bottom: 16px; }
.pillar-card { border-top: 3px solid transparent; }
.pillar-card:nth-child(1) { border-color: var(--blue); }
.pillar-card:nth-child(2) { border-color: var(--gold); }
.pillar-card:nth-child(3) { border-color: var(--silver); }

/* ============================================================
   Membership tiers
   ============================================================ */
.tier-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.tier-card.featured {
  border-color: var(--gold);
  box-shadow: 0 0 30px rgba(201,162,39,0.15);
  position: relative;
}
.tier-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold), #a07d14);
  color: #080c18;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: 100px;
}
.tier-name { font-size: 0.85rem; font-weight: 600; color: var(--silver-dim); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }
.tier-price { font-size: 2.4rem; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.tier-price-note { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 24px; }
.tier-features { flex: 1; margin-bottom: 32px; }
.tier-features li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--silver);
  display: flex;
  align-items: center;
  gap: 10px;
}
.tier-features li::before { content: "✓"; color: var(--blue-light); font-weight: 700; flex-shrink: 0; }
.tier-card.featured .tier-features li::before { color: var(--gold); }

/* ============================================================
   Events
   ============================================================ */
.event-card {
  display: flex;
  gap: 24px;
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}
.event-card:hover {
  border-color: rgba(26,111,212,0.45);
  box-shadow: var(--glow);
}
.event-date-block {
  text-align: center;
  min-width: 64px;
  background: var(--blue-glow);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 8px;
  height: fit-content;
}
.event-month { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; color: var(--gold); letter-spacing: 0.08em; }
.event-day { font-size: 1.8rem; font-weight: 800; line-height: 1; color: var(--white); }
.event-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--blue-light);
  margin-bottom: 8px;
}
.event-meta { font-size: 0.85rem; color: var(--text-muted); margin-top: 8px; display: flex; gap: 16px; }

/* ============================================================
   Resource cards
   ============================================================ */
.resource-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.resource-card:hover {
  border-color: rgba(26,111,212,0.45);
  box-shadow: var(--glow);
  transform: translateY(-4px);
}
.resource-thumb {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--navy-light), var(--navy-mid));
  border-bottom: 1px solid var(--border);
}
.resource-body { padding: 24px; }
.resource-type {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 8px;
}

/* ============================================================
   Forms
   ============================================================ */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--silver);
  margin-bottom: 8px;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,111,212,0.15);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 140px; }
select.form-control { cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-success {
  display: none;
  background: rgba(26,111,212,0.1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  color: var(--blue-light);
}

/* Newsletter bar */
.newsletter-bar {
  background: linear-gradient(135deg, var(--navy-mid), var(--navy-light));
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: flex;
  align-items: center;
  gap: 48px;
}
.newsletter-form {
  display: flex;
  gap: 12px;
  flex: 1;
  max-width: 460px;
}
.newsletter-form .form-control { flex: 1; margin: 0; }

/* ============================================================
   Testimonials
   ============================================================ */
.testimonial-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.testimonial-quote { font-size: 2.5rem; color: var(--gold); line-height: 1; margin-bottom: 16px; }
.testimonial-body { color: var(--silver); font-size: 0.95rem; line-height: 1.7; margin-bottom: 24px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--gold));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  flex-shrink: 0;
}
.testimonial-name { font-weight: 600; font-size: 0.9rem; }
.testimonial-role { font-size: 0.8rem; color: var(--text-muted); }

/* ============================================================
   Page Hero (inner pages)
   ============================================================ */
.page-hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--navy-mid) 0%, var(--navy) 100%);
  border-bottom: 1px solid var(--border);
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26,111,212,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-label { color: var(--gold); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; }
.page-hero p { color: var(--silver-dim); font-size: 1.1rem; max-width: 600px; margin-top: 16px; }

/* ============================================================
   Tab filter
   ============================================================ */
.tab-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.tab-btn {
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--silver-dim);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.tab-btn:hover, .tab-btn.active {
  background: var(--blue-glow);
  border-color: var(--blue);
  color: var(--white);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 8px;
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: var(--navy-mid);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: background var(--transition);
  font-family: inherit;
}
.faq-question:hover { background: var(--navy-light); }
.faq-chevron { flex-shrink: 0; color: var(--blue-light); transition: transform var(--transition); }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  background: var(--navy);
  color: var(--silver-dim);
  font-size: 0.9rem;
  line-height: 1.7;
  padding: 0 24px;
}
.faq-item.open .faq-answer { max-height: 400px; padding: 20px 24px; }

/* ============================================================
   Login modal
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8,12,24,0.85);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  width: 100%;
  max-width: 440px;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none;
  border: none;
  color: var(--silver-dim);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
}
.modal-close:hover { color: var(--white); }
.modal h3 { margin-bottom: 8px; }
.modal p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 32px; }
.modal-footer { text-align: center; margin-top: 20px; font-size: 0.875rem; color: var(--text-muted); }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { color: var(--text-muted); font-size: 0.875rem; margin: 16px 0 24px; max-width: 280px; line-height: 1.7; }
.footer-col h4 { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--silver-dim); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--text-muted); font-size: 0.875rem; padding: 4px 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--silver-dim);
  font-size: 0.85rem;
  transition: all var(--transition);
}
.social-link:hover {
  border-color: var(--blue);
  color: var(--blue-light);
  background: var(--blue-glow);
}

/* ============================================================
   Utility
   ============================================================ */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.bg-mid { background: var(--navy-mid); }
.bg-light { background: var(--navy-light); }
.border-section { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* Glow orb decorations */
.orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.12;
}
.orb-blue { background: var(--blue); }
.orb-gold { background: var(--gold); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .newsletter-bar { flex-direction: column; gap: 24px; }
  .newsletter-form { max-width: 100%; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn { display: none; }
  .nav-hamburger { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .event-card { flex-direction: column; }
  .hero-stats { gap: 32px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .newsletter-form { flex-direction: column; }
  .modal { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .hero-content { padding: 60px 24px; }
  .hero-cta { flex-direction: column; }
  .btn { justify-content: center; }
}