/* ==========================================================================
   Spider-Verse Cinematic Design System (2026 Core Web Vitals Compliant)
   ========================================================================== */

:root {
  --bg-void: #0a0b10;
  --bg-surface: #101322;
  --bg-surface-elevated: #171b2f;
  --bg-card: #14182b;
  --border-dim: #232946;
  --border-bright: #39426f;

  /* Accent Colors */
  --c-miles-red: #e60026;
  --c-miles-yellow: #ffe600;
  --c-gwen-cyan: #00e5ff;
  --c-gwen-magenta: #ff2a85;
  --c-2099-scarlet: #ff1744;
  --c-2099-laser: #2979ff;
  --c-prowler-purple: #9c27b0;
  --c-prowler-green: #00e676;
  --c-spot-void: #000000;

  /* Text Colors */
  --text-pure: #ffffff;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing */
  --container-max: 1240px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-void);
  color: var(--text-primary);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(230, 0, 38, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0, 229, 255, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(156, 39, 176, 0.04) 0%, transparent 60%);
  background-attachment: fixed;
}

a {
  color: var(--c-gwen-cyan);
  text-decoration: none;
  transition: color 0.15s ease, text-shadow 0.15s ease;
}

a:hover, a:focus-visible {
  color: #80f0ff;
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
  outline: none;
}

a:focus-visible {
  outline: 2px solid var(--c-gwen-cyan);
  outline-offset: 2px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 11, 16, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dim);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-pure);
  letter-spacing: -0.5px;
  text-transform: uppercase;
}

.brand-badge {
  background: linear-gradient(135deg, var(--c-miles-red), var(--c-gwen-magenta));
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 900;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 24px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 0;
  position: relative;
  transition: color 0.15s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-pure);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-miles-red), var(--c-gwen-cyan));
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-dim);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: 60px 0 40px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-bright);
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--c-prowler-green);
  margin-bottom: 20px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--c-prowler-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--c-prowler-green);
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1px;
  color: var(--text-pure);
  margin-bottom: 18px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--c-miles-red) 0%, var(--c-gwen-magenta) 50%, var(--c-gwen-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
}

.hero-quick-answer {
  background-color: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-left: 4px solid var(--c-miles-red);
  padding: 18px 22px;
  border-radius: var(--radius-md);
  margin-bottom: 30px;
}

.quick-answer-label {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--c-miles-yellow);
  margin-bottom: 6px;
}

.quick-answer-text {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-pure);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--c-miles-red), #b3001e);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(230, 0, 38, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ff1a40, #cc0022);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(230, 0, 38, 0.6);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-bright);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--border-dim);
  color: var(--text-pure);
  border-color: var(--c-gwen-cyan);
}

/* ==========================================================================
   Card System & Sections
   ========================================================================== */
.section {
  padding: 60px 0;
  border-top: 1px solid var(--border-dim);
}

.section-header {
  margin-bottom: 36px;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--c-gwen-cyan);
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text-pure);
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-top: 8px;
  max-width: 700px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 28px;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}

.card-accent-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-miles-red), var(--c-gwen-cyan));
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 12px;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ==========================================================================
   Footer & Legal
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-dim);
  padding: 60px 0 30px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-pure);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-pure);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: var(--text-secondary);
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--c-gwen-cyan);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Responsive Rules */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-dim);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}