/* ==========================================================================
   FIBER11 - Modern Static Site
   Colors: Red (#C51F30), Dark (#333132), White (#FFFFFF)
   ========================================================================== */

:root {
  --color-primary: #C51F30;
  --color-primary-dark: #9e1826;
  --color-primary-light: #e8354a;
  --color-dark: #1a1a1a;
  --color-dark-alt: #333132;
  --color-text: #2d2d2d;
  --color-text-muted: #6b7280;
  --color-white: #ffffff;
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --max-width: 1200px;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
[data-theme="dark"] {
  --color-dark: #f0f0f0;
  --color-dark-alt: #e0e0e0;
  --color-text: #e2e2e2;
  --color-text-muted: #a0a0a0;
  --color-white: #1a1a1a;
  --color-bg: #121212;
  --color-surface: #1e1e1e;
  --color-border: #2e2e2e;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

[data-theme="dark"] .site-header {
  background: rgba(18, 18, 18, 0.95);
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .nav-menu li a {
  color: var(--color-text);
}

[data-theme="dark"] .nav-menu li a:hover,
[data-theme="dark"] .nav-menu li a.active {
  color: var(--color-primary-light);
  background: rgba(197, 31, 48, 0.15);
}

[data-theme="dark"] .stats {
  background: #0d0d0d;
}

[data-theme="dark"] .feature {
  background: var(--color-surface);
  border-color: var(--color-border);
}

[data-theme="dark"] .feature:hover {
  border-color: var(--color-primary);
}

[data-theme="dark"] .feature-icon {
  background: rgba(232, 53, 74, 0.15);
}

[data-theme="dark"] .cta-card {
  background: #0d0d0d;
  border: 1px solid #2e2e2e;
}

[data-theme="dark"] .cta-card h3,
[data-theme="dark"] .cta-card p {
  color: #ffffff;
}

[data-theme="dark"] .btn-outline-dark {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .site-footer {
  background: #0d0d0d;
}

[data-theme="dark"] .hubs-map img {
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}

[data-theme="dark"] .faq-section details {
  background: var(--color-surface);
  border-color: var(--color-border);
}

[data-theme="dark"] .faq-section details summary:hover {
  background: rgba(255,255,255,0.03);
}

[data-theme="dark"] .nav-toggle span {
  background: var(--color-text);
}

[data-theme="dark"] .hero-content h1,
[data-theme="dark"] .hero-content h1 span,
[data-theme="dark"] .hero-content p {
  color: #ffffff;
}

[data-theme="dark"] .btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  color: var(--color-text);
  line-height: 1.6;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--color-primary-dark); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ==========================================================================
   Header - Clean, minimal
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 2rem;
}

.logo img {
  height: 56px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}

.nav-menu li a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  color: var(--color-dark-alt);
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: 8px;
  transition: all var(--transition);
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--color-primary);
  background: rgba(197, 31, 48, 0.06);
}

.nav-menu li a svg {
  opacity: 0.5;
}

/* Theme toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: 0.45rem;
  border-radius: 8px;
  color: var(--color-dark-alt);
  transition: all var(--transition);
  margin-left: 0.5rem;
}

.theme-toggle:hover {
  color: var(--color-primary);
  background: rgba(197, 31, 48, 0.06);
}

.theme-toggle .icon-moon { display: none; }
.theme-toggle .icon-sun { display: block; }

[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }

[data-theme="dark"] .theme-toggle {
  color: var(--color-text);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: background var(--transition);
}

.nav-toggle:hover {
  background: var(--color-border);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  margin: 5px 0;
  border-radius: 1px;
  transition: var(--transition);
}

/* ==========================================================================
   Hero - Full viewport with gradient overlay
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-slideshow {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,26,0.7) 0%, rgba(197,31,48,0.25) 100%);
}

.hero-content {
  position: relative;
  text-align: center;
  padding: 2rem;
  max-width: 800px;
}

.hero-content h1 {
  color: #ffffff;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.hero-content h1 span {
  display: block;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 400;
  font-size: 0.65em;
  margin-top: 0.25em;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.6);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 8px;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(197, 31, 48, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-dark);
  border-color: var(--color-white);
}

/* ==========================================================================
   Section common styles
   ========================================================================== */

section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

.accent-line {
  width: 48px;
  height: 4px;
  background: var(--color-primary);
  margin: 1rem 0 1.5rem;
  border-radius: 2px;
}

/* ==========================================================================
   Stats Section
   ========================================================================== */

.stats {
  background: var(--color-dark);
  padding: 4rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1rem;
}

.stat-number {
  display: block;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.5rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   About Section — left text, right features list
   ========================================================================== */

.about {
  background: var(--color-bg);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.about-text h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.about-text p {
  margin-bottom: 1rem;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.about-text strong {
  color: var(--color-dark);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.feature {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: all var(--transition);
}

.feature:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(197, 31, 48, 0.08);
  border-radius: 8px;
  color: var(--color-primary);
}

.feature h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.2rem;
}

.feature p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Hub Sites Section
   ========================================================================== */

.hubs {
  background: var(--color-surface);
}

.hubs-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hubs-text h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.hubs-text p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 0.75rem;
}

.hub-logos {
  margin-top: 1.5rem;
  border-radius: var(--radius);
  background: #f8f8f8;
  padding: 1rem;
  border: 1px solid var(--color-border);
}

.hubs-map img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Contact Section — asymmetric layout
   ========================================================================== */

.contact {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.contact-heading {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-dark);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  transition: background var(--transition);
  line-height: 1.5;
}

a.contact-item:hover {
  background: rgba(197, 31, 48, 0.06);
  color: var(--color-primary);
}

.contact-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  max-height: 400px;
}

.cta-card {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 2.5rem;
  border-radius: var(--radius);
  text-align: center;
}

.cta-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.cta-card .cta-description {
  opacity: 0.6;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.cta-card .cta-phone {
  opacity: 0.7;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  font-weight: 600;
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-dark:hover {
  background: var(--color-white);
  color: var(--color-dark);
  border-color: var(--color-white);
}

/* ==========================================================================
   Map Section
   ========================================================================== */

.map-section {
  padding: 0;
  line-height: 0;
}

.map-section iframe {
  width: 100%;
  height: 500px;
  border: 0;
}

/* ==========================================================================
   Footer - Clean and dark
   ========================================================================== */

.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 3rem 2rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-logo {
  height: 40px;
  width: auto;
  margin: 0 auto 1.5rem;
  opacity: 0.9;
}

.footer-tagline {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.6;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-copyright {
  font-size: 0.8rem;
  opacity: 0.4;
}

/* ==========================================================================
   Page Content (FAQ page)
   ========================================================================== */

.page-content {
  padding: 8rem 0 4rem;
}

.page-content .container {
  max-width: 800px;
}

.page-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.page-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-top: 3rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-border);
}

.page-content p {
  margin-bottom: 1rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* FAQ Accordion */
.faq-section details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  padding: 0;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-section details:hover {
  border-color: var(--color-primary);
}

.faq-section details[open] {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.faq-section details summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-dark);
  padding: 1.25rem 1.5rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: background var(--transition);
}

.faq-section details summary:hover {
  background: var(--color-bg);
}

.faq-section details summary::-webkit-details-marker { display: none; }

.faq-section details summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(197, 31, 48, 0.08);
  border-radius: 6px;
  flex-shrink: 0;
  transition: all var(--transition);
}

.faq-section details[open] summary::before {
  content: "−";
  background: var(--color-primary);
  color: var(--color-white);
}

.faq-section details > :not(summary) {
  padding: 0 1.5rem 1.25rem 3.75rem;
}

.faq-section details p {
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
  }

  .nav-menu.active { display: flex; }

  .nav-menu li a {
    padding: 0.875rem 1rem;
    width: 100%;
  }

  .hero { min-height: 80vh; }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .hubs-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-benefits {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn { width: 100%; justify-content: center; max-width: 280px; }

  section { padding: 4rem 0; }
  .section-header h2 { font-size: 1.75rem; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 1.5rem; }
  .footer-links { flex-direction: column; gap: 0.75rem; }
}