/* ===================================
   CSS Variables & Reset
   =================================== */

:root {
  /* Colors - Futuristic palette */
  --color-primary: #0066ff;
  --color-primary-dark: #0052cc;
  --color-primary-light: #3385ff;
  --color-secondary: #00d4ff;
  --color-accent: #7c3aed;
  --color-success: #10b981;
  --color-warning: #f59e0b;

  /* Neutrals */
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-elevated: #ffffff;
  --color-surface: #f1f5f9;
  --color-border: #e2e8f0;
  --color-text: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #64748b;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(0, 102, 255, 0.3);

  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Container */
  --container-max: 1280px;
  --container-padding: var(--space-lg);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

/* ===================================
   Utility Classes
   =================================== */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

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

/* ===================================
   Header & Navigation
   =================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.site-header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: translateY(-2px);
}

.logo-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform var(--transition-base);
}

.logo-icon[data-icon="speed"]::before {
  content: '';
  width: 0;
  height: 0;
  border-left: 16px solid transparent;
  border-right: 4px solid transparent;
  border-bottom: 28px solid var(--color-primary);
  transform: skewX(-15deg);
  filter: drop-shadow(0 0 8px rgba(0, 102, 255, 0.4));
}

.logo-icon[data-icon="speed"]::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-secondary), transparent);
  top: 50%;
  right: -8px;
  border-radius: 2px;
  opacity: 0.8;
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--color-primary);
}

/* Mobile Menu Toggle (Hamburger) */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle:hover span {
  background: var(--color-primary);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1998;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  max-width: 85%;
  height: 100vh;
  background: white;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 1999;
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

.mobile-menu-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-close:hover {
  color: var(--color-primary);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  padding: var(--space-md) 0;
}

.mobile-nav-link {
  padding: var(--space-lg) var(--space-xl);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--font-size-lg);
  font-weight: 500;
  transition: all var(--transition-fast);
  border-left: 4px solid transparent;
}

.mobile-nav-link:hover {
  background: rgba(0, 102, 255, 0.05);
  border-left-color: var(--color-primary);
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-button {
    justify-content: center;
    width: 100%;
  }
}

.nav-links a:hover::after {
  width: 100%;
}

/* ===================================
   Hero Section
   =================================== */

.hero {
  padding: var(--space-4xl) 0;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-xl);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  font-weight: 500;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  box-shadow: 0 4px 14px 0 rgba(0, 102, 255, 0.4);
}

.cta-button:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 102, 255, 0.5);
}

.cta-button svg {
  transition: transform var(--transition-base);
}

.cta-button:hover svg {
  transform: translateX(4px);
}

/* Hero CTA Group */
.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-xl);
}

.cta-secondary {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: 0 4px 14px 0 rgba(0, 102, 255, 0.15);
}

.cta-secondary:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 102, 255, 0.4);
}

.hero-helper-text {
  text-align: center;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-top: 0;
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.05), rgba(124, 58, 237, 0.05));
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  line-height: 1.5;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-helper-text svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

/* ===================================
   Providers Section
   =================================== */

.providers-section {
  padding: var(--space-4xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

.providers-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.provider-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.provider-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.provider-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.provider-card:hover::before {
  opacity: 1;
}

.provider-card.featured {
  border: 2px solid var(--color-primary);
  box-shadow: 0 0 0 1px rgba(0, 102, 255, 0.1);
}

.provider-card.featured::before {
  opacity: 1;
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  border-radius: var(--radius-lg);
  font-weight: 800;
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-md);
}

.badge {
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-featured {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #92400e;
}

.badge-value {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  color: #065f46;
}

.badge-coverage {
  background: linear-gradient(135deg, #ddd6fe 0%, #c4b5fd 100%);
  color: #5b21b6;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.provider-name {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
}

.plan-name {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.speed-display {
  display: flex;
  align-items: baseline;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
}

.speed-primary {
  display: flex;
  flex-direction: column;
}

.speed-value {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.speed-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-weight: 600;
  text-transform: uppercase;
  margin-top: var(--space-xs);
}

.speed-secondary {
  display: flex;
  flex-direction: column;
  padding-left: var(--space-lg);
  border-left: 2px solid var(--color-border);
}

.speed-value-small {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-secondary);
  line-height: 1;
}

.speed-label-small {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-weight: 600;
  text-transform: uppercase;
  margin-top: var(--space-xs);
}

.price-display {
  text-align: center;
  padding: var(--space-lg);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 102, 255, 0.1);
}

.price-main {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.price-currency {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.price-amount {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.price-period {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.price-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-xs);
}

.price-per-gig {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 600;
}

.tech-info {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.tech-badge {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.tech-badge.symmetrical {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.availability {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.availability .icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

.coverage-info {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  line-height: 1.5;
}

.highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.highlights li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.highlights li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.best-for {
  padding: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  border-left: 3px solid var(--color-primary);
}

.best-for strong {
  color: var(--color-primary);
}

.install-fee {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  text-align: center;
}

.provider-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: rgba(245, 158, 11, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: #92400e;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.provider-note .icon {
  color: var(--color-warning);
  flex-shrink: 0;
  margin-top: 2px;
}

.provider-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.provider-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: all var(--transition-base);
  text-align: center;
}

.provider-button.primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(0, 102, 255, 0.3);
}

.provider-button.primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.4);
}

.provider-button.primary svg {
  transition: transform var(--transition-base);
}

.provider-button.primary:hover svg {
  transform: translate(2px, -2px);
}

.provider-button.secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.provider-button.secondary:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===================================
   Contact Page
   =================================== */

.hero-small {
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.contact-section {
  padding: var(--space-4xl) 0;
}

.contact-centered {
  max-width: 800px;
  margin: 0 auto;
}

.contact-intro {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.contact-intro h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.intro-text {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.contact-reasons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.contact-reason-compact {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.contact-reason-compact:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.reason-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base);
}

/* Provider icon - upward arrow/rocket shape */
.reason-icon[data-icon="provider"] {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.15), rgba(0, 212, 255, 0.15));
}

.reason-icon[data-icon="provider"]::before {
  content: '';
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 20px solid var(--color-primary);
  position: absolute;
  top: 10px;
}

.reason-icon[data-icon="provider"]::after {
  content: '';
  width: 6px;
  height: 12px;
  background: var(--color-primary);
  position: absolute;
  bottom: 8px;
  border-radius: 0 0 3px 3px;
}

/* Review icon - star shape */
.reason-icon[data-icon="review"] {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(251, 191, 36, 0.15));
}

.reason-icon[data-icon="review"]::before {
  content: '★';
  font-size: 28px;
  color: var(--color-warning);
  line-height: 1;
}

/* Correction icon - pencil/edit shape */
.reason-icon[data-icon="correction"] {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(168, 85, 247, 0.15));
}

.reason-icon[data-icon="correction"]::before {
  content: '';
  width: 3px;
  height: 22px;
  background: var(--color-accent);
  position: absolute;
  transform: rotate(45deg);
  border-radius: 2px;
}

.reason-icon[data-icon="correction"]::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 8px solid var(--color-accent);
  position: absolute;
  top: 8px;
  left: 19px;
  transform: rotate(45deg);
}

/* Media icon - document/news shape */
.reason-icon[data-icon="media"] {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.15));
}

.reason-icon[data-icon="media"]::before {
  content: '';
  width: 20px;
  height: 24px;
  border: 2px solid var(--color-success);
  border-radius: 2px;
  position: absolute;
}

.reason-icon[data-icon="media"]::after {
  content: '';
  width: 12px;
  height: 2px;
  background: var(--color-success);
  position: absolute;
  box-shadow: 0 5px 0 var(--color-success), 0 10px 0 var(--color-success);
}

/* Partnership icon - handshake/connection shape */
.reason-icon[data-icon="partnership"] {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.15), rgba(124, 58, 237, 0.15));
}

.reason-icon[data-icon="partnership"]::before {
  content: '';
  width: 10px;
  height: 10px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  position: absolute;
  left: 10px;
}

.reason-icon[data-icon="partnership"]::after {
  content: '';
  width: 10px;
  height: 10px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  position: absolute;
  right: 10px;
}

/* Feedback icon - lightbulb shape */
.reason-icon[data-icon="feedback"] {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(124, 58, 237, 0.15));
}

.reason-icon[data-icon="feedback"]::before {
  content: '';
  width: 14px;
  height: 14px;
  background: var(--color-warning);
  border-radius: 50% 50% 0 0;
  position: absolute;
  top: 12px;
}

.reason-icon[data-icon="feedback"]::after {
  content: '';
  width: 8px;
  height: 6px;
  background: var(--color-warning);
  position: absolute;
  bottom: 12px;
  border-radius: 0 0 4px 4px;
}

.reason-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.reason-text strong {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.reason-text span {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.contact-form-container {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.03) 0%, rgba(124, 58, 237, 0.03) 100%);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  position: relative;
  overflow: hidden;
}

.contact-form-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.required {
  color: var(--color-primary);
}

.form-input,
.form-select,
.form-textarea {
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  transition: all var(--transition-fast);
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-right: var(--space-3xl);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-submit {
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 14px 0 rgba(0, 102, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.form-submit:hover:not(:disabled) {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 102, 255, 0.5);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.loader {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-message {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 400;
  text-align: left;
  line-height: 1.6;
  margin-top: var(--space-md);
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-message strong {
  display: block;
  font-weight: 600;
  font-size: var(--font-size-base);
  margin-bottom: var(--space-xs);
}

.form-message code {
  background: rgba(0, 0, 0, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: var(--font-size-xs);
}

.form-message small {
  opacity: 0.8;
  font-size: var(--font-size-xs);
}

.form-message-success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.15) 100%);
  color: #065f46;
  border: 2px solid rgba(16, 185, 129, 0.4);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.form-message-success strong {
  color: #059669;
}

.form-message-error {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(220, 38, 38, 0.15) 100%);
  color: #991b1b;
  border: 2px solid rgba(239, 68, 68, 0.4);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.form-message-error strong {
  color: #dc2626;
}

/* ===================================
   Guide Section
   =================================== */

.guide-section {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-alt);
}

.guide-section h2 {
  text-align: center;
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-3xl);
  letter-spacing: -0.02em;
}

.guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.guide-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.guide-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.guide-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: var(--radius-xl);
  transition: transform var(--transition-base);
}

/* Sync/Symmetrical icon - circular arrows */
.guide-icon[data-icon="sync"] {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.15), rgba(0, 212, 255, 0.15));
}

.guide-icon[data-icon="sync"]::before {
  content: '';
  width: 28px;
  height: 28px;
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  border-left-color: transparent;
  border-bottom-color: transparent;
  position: absolute;
  transform: rotate(-45deg);
}

.guide-icon[data-icon="sync"]::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 10px solid var(--color-primary);
  position: absolute;
  top: 14px;
  right: 14px;
  transform: rotate(45deg);
}

/* Location icon - pin shape */
.guide-icon[data-icon="location"] {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(220, 38, 38, 0.15));
}

.guide-icon[data-icon="location"]::before {
  content: '';
  width: 24px;
  height: 30px;
  background: #ef4444;
  border-radius: 50% 50% 50% 0;
  position: absolute;
  top: 12px;
  transform: rotate(-45deg);
}

.guide-icon[data-icon="location"]::after {
  content: '';
  width: 10px;
  height: 10px;
  background: white;
  border-radius: 50%;
  position: absolute;
  top: 18px;
}

/* Value icon - dollar/money shape */
.guide-icon[data-icon="value"] {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.15));
}

.guide-icon[data-icon="value"]::before {
  content: '$';
  font-size: 36px;
  font-weight: 700;
  color: var(--color-success);
  line-height: 1;
}

/* Equipment icon - plug/connector shape */
.guide-icon[data-icon="equipment"] {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(168, 85, 247, 0.15));
}

.guide-icon[data-icon="equipment"]::before {
  content: '';
  width: 20px;
  height: 26px;
  border: 3px solid var(--color-accent);
  border-radius: 8px;
  position: absolute;
}

.guide-icon[data-icon="equipment"]::after {
  content: '';
  width: 8px;
  height: 4px;
  background: var(--color-accent);
  position: absolute;
  top: 10px;
  box-shadow: 0 8px 0 var(--color-accent);
  border-radius: 1px;
}

/* Fiber icon - waves/signal shape */
.guide-icon[data-icon="fiber"] {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.15), rgba(124, 58, 237, 0.15));
}

.guide-icon[data-icon="fiber"]::before {
  content: '';
  width: 32px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  position: absolute;
  box-shadow: 0 -8px 0 var(--color-primary), 0 8px 0 var(--color-accent);
}

/* Decision icon - checkmark shape */
.guide-icon[data-icon="decision"] {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.15));
}

.guide-icon[data-icon="decision"]::before {
  content: '';
  width: 12px;
  height: 24px;
  border: 3px solid var(--color-success);
  border-top: none;
  border-left: none;
  position: absolute;
  transform: rotate(45deg);
  top: 12px;
}

.guide-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.guide-card p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.guide-cta {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.guide-cta-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  text-decoration: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  box-shadow: 0 4px 14px 0 rgba(0, 102, 255, 0.25);
}

.guide-cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 102, 255, 0.35);
}

.guide-cta-button svg {
  flex-shrink: 0;
}

.key-insights {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.key-insights h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.key-insights ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.key-insights li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.key-insights li::before {
  content: '→';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
  font-size: var(--font-size-xl);
}

.key-insights strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ===================================
   FAQ Section
   =================================== */

.faq-section {
  padding: var(--space-4xl) 0;
}

.faq-section h2 {
  text-align: center;
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-3xl);
  letter-spacing: -0.02em;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.faq-item summary {
  padding: var(--space-lg);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color var(--transition-fast);
}

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

.faq-item summary::after {
  content: '+';
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  font-weight: 300;
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  background: var(--color-surface);
}

.faq-answer {
  padding: 0 var(--space-lg) var(--space-lg);
}

.faq-answer p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===================================
   Footer
   =================================== */

.site-footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-4xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-section h3 {
  color: white;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.footer-section h4 {
  color: white;
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.footer-section p {
  line-height: 1.7;
  font-size: var(--font-size-sm);
}

.footer-section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-secondary);
}

.footer-disclaimer {
  font-size: var(--font-size-xs);
  opacity: 0.7;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  opacity: 0.7;
}

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

/* Mobile: default - single column */
@media (max-width: 767px) {
  .contact-reasons-grid {
    grid-template-columns: 1fr;
  }

  .contact-form-container {
    padding: var(--space-xl);
  }
}

/* Tablet: 768px and up */
@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-xl);
  }

  .hero-title {
    font-size: var(--font-size-5xl);
  }

  .providers-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  }

  .provider-links {
    flex-direction: row;
  }

  .contact-reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Desktop: 1024px and up */
@media (min-width: 1024px) {
  .hero-title {
    font-size: var(--font-size-6xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-xl);
  }

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

  .contact-reasons-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-centered {
    max-width: 900px;
  }

  .guide-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Large desktop: 1280px and up */
@media (min-width: 1280px) {
  .providers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  .cta-button {
    display: none;
  }

  .provider-card {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

/* ===================================
   Bandwidth Calculator
   =================================== */

.calculator-hero {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  padding: var(--space-4xl) 0 var(--space-3xl);
  text-align: center;
}

/* Speed Education Box */
.speed-education-box {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.05), rgba(124, 58, 237, 0.05));
  border: 2px solid rgba(0, 102, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.education-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.education-header svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

.education-header h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  color: var(--color-text);
}

.education-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.speed-term {
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.speed-term strong {
  color: var(--color-primary);
  font-size: 1.1em;
  font-weight: 700;
}

.speed-examples {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.example-item {
  background: white;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-left: 3px solid var(--color-primary);
  display: block;
}

.calculator-section {
  padding: var(--space-4xl) 0;
}

.calculator-container {
  max-width: 800px;
  margin: 0 auto;
}

/* Progress Bar */
.progress-container {
  margin-bottom: var(--space-3xl);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-sm);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 0.3s ease;
  border-radius: var(--radius-full);
}

.progress-text {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* Question Cards */
.quiz-container {
  position: relative;
  min-height: 500px;
}

.question-card {
  display: none;
  background: var(--color-bg-elevated);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl) var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

.question-card.active {
  display: block;
}

.question-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.question-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.15), rgba(124, 58, 237, 0.15));
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.question-icon[data-icon="people"]::before {
  content: '';
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  border-radius: 50%;
  position: absolute;
  top: 15px;
}

.question-icon[data-icon="people"]::after {
  content: '';
  width: 40px;
  height: 32px;
  background: var(--color-primary);
  border-radius: 50% 50% 0 0;
  position: absolute;
  bottom: 12px;
}

.question-icon[data-icon="devices"]::before {
  content: '';
  width: 40px;
  height: 28px;
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  position: absolute;
}

.question-icon[data-icon="hd-stream"]::before,
.question-icon[data-icon="4k-stream"]::before {
  content: '';
  width: 0;
  height: 0;
  border-left: 25px solid var(--color-primary);
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  position: absolute;
}

.question-icon[data-icon="gaming"]::before {
  content: '';
  width: 48px;
  height: 32px;
  border: 3px solid var(--color-accent);
  border-radius: var(--radius-xl);
  position: absolute;
}

.question-icon[data-icon="gaming"]::after {
  content: '';
  width: 16px;
  height: 3px;
  background: var(--color-accent);
  position: absolute;
  box-shadow: 0 8px 0 var(--color-accent);
}

.question-icon[data-icon="video-call"]::before {
  content: '';
  width: 40px;
  height: 28px;
  border: 3px solid var(--color-success);
  border-radius: var(--radius-md);
  position: absolute;
}

.question-icon[data-icon="smart-home"]::before {
  content: '';
  width: 40px;
  height: 36px;
  border: 3px solid var(--color-warning);
  border-radius: var(--radius-md);
  border-bottom: none;
  position: absolute;
  top: 22px;
}

.question-icon[data-icon="smart-home"]::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 24px solid transparent;
  border-right: 24px solid transparent;
  border-bottom: 20px solid var(--color-warning);
  position: absolute;
  top: 14px;
}

.question-icon[data-icon="future"]::before {
  content: '';
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-accent);
  border-radius: 50%;
  position: absolute;
}

.question-icon[data-icon="future"]::after {
  content: '';
  width: 3px;
  height: 14px;
  background: var(--color-accent);
  position: absolute;
  box-shadow: 12px 0 0 var(--color-accent);
}

.question-header h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.question-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.question-content {
  margin-bottom: var(--space-2xl);
}

/* Modern Number Selector */
.number-selector {
  margin-bottom: var(--space-2xl);
}

.selector-value-display {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.selector-value {
  font-size: 4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.selector-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.selector-slider-container {
  position: relative;
  padding: 0 var(--space-md);
}

.selector-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: linear-gradient(to right,
    var(--color-primary) 0%,
    var(--color-primary) var(--slider-value, 50%),
    var(--color-surface) var(--slider-value, 50%),
    var(--color-surface) 100%);
  outline: none;
  cursor: pointer;
}

.selector-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: white;
  border: 3px solid var(--color-primary);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: all 0.2s ease;
}

.selector-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.selector-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: white;
  border: 3px solid var(--color-primary);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: all 0.2s ease;
}

.selector-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.selector-btn {
  display: none;
}

.selector-input {
  display: none;
}

.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.bandwidth-note {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: var(--space-md);
  background: rgba(0, 102, 255, 0.05);
  border-radius: var(--radius-md);
  margin-top: var(--space-lg);
}

/* Choice Grid */
.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.choice-btn {
  padding: var(--space-lg);
  border: 2px solid var(--color-border);
  background: white;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

.choice-btn strong {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.choice-btn span {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.choice-btn:hover {
  border-color: var(--color-primary);
  background: rgba(0, 102, 255, 0.05);
}

.choice-btn.selected {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(124, 58, 237, 0.1));
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.2);
}

/* Checkbox Option */
.checkbox-option {
  margin-top: var(--space-lg);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-base);
  color: var(--color-text);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

/* Navigation Buttons */
.question-nav {
  display: flex;
  gap: var(--space-md);
  justify-content: space-between;
}

.btn-next,
.btn-back,
.btn-primary,
.btn-secondary {
  padding: var(--space-md) var(--space-2xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-next,
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  flex: 1;
}

.btn-next:hover,
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-back,
.btn-secondary {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-back:hover,
.btn-secondary:hover {
  background: var(--color-primary);
  color: white;
}

/* Results */
.results-hero {
  text-align: center;
  padding: var(--space-3xl);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.05), rgba(124, 58, 237, 0.05));
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-3xl);
}

.results-hero h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--space-xl);
}

.speed-recommendation {
  margin-bottom: var(--space-xl);
}

.speed-number {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.speed-label {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

.speed-context {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-top: var(--space-md);
  font-weight: 500;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.tier-badge {
  display: inline-block;
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

.tier-light {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2));
  color: #065f46;
}

.tier-moderate {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.2), rgba(0, 82, 204, 0.2));
  color: #003d99;
}

.tier-heavy {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(91, 33, 182, 0.2));
  color: #4c1d95;
}

.tier-power {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(220, 38, 38, 0.2));
  color: #991b1b;
}

.tier-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* Breakdown */
.results-breakdown {
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.results-breakdown h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-xl);
}

.breakdown-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.breakdown-item {
  padding: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

.breakdown-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.breakdown-category {
  font-weight: 600;
  color: var(--color-text);
}

.breakdown-value {
  font-weight: 700;
  color: var(--color-primary);
}

.breakdown-bar {
  width: 100%;
  height: 8px;
  background: var(--color-bg);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-sm);
}

.breakdown-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

.breakdown-detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Explanation & Notes */
.explanation-card,
.notes-card {
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.explanation-card h3,
.explanation-card h4,
.notes-card h3 {
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.explanation-card h3,
.notes-card h3 {
  font-size: var(--font-size-xl);
}

.explanation-card h4 {
  font-size: var(--font-size-lg);
  margin-top: var(--space-xl);
}

.explanation-card p,
.notes-card ul {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.notes-card ul {
  list-style: none;
  padding: 0;
}

.notes-card li {
  padding: var(--space-md);
  background: rgba(0, 102, 255, 0.05);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.notes-card li:last-child {
  margin-bottom: 0;
}

/* Results Actions */
.results-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .calculator-hero {
    padding: var(--space-3xl) 0 var(--space-2xl);
  }

  .speed-education-box {
    padding: var(--space-lg);
  }

  .speed-examples {
    grid-template-columns: 1fr;
  }

  .question-card {
    padding: var(--space-2xl) var(--space-lg);
  }

  .question-header h2 {
    font-size: var(--font-size-xl);
  }

  .question-icon {
    width: 64px;
    height: 64px;
  }

  .choice-grid {
    grid-template-columns: 1fr;
  }

  .question-nav {
    flex-direction: column;
  }

  .btn-next,
  .btn-back {
    width: 100%;
  }

  .speed-number {
    font-size: var(--font-size-4xl);
  }

  .results-hero {
    padding: var(--space-2xl) var(--space-lg);
  }

  .results-breakdown,
  .explanation-card,
  .notes-card {
    padding: var(--space-lg);
  }

  .results-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}