/* 
Global Design System - Government Free Laptop
Based on User Requirements:
- Flat design (No gradients, shadows, glassmorphism)
- Specific Colors: #FFFFFF, #F8F9FA, #202124, #5F6368, #4285F4
- Mobile-first
*/

:root {
  /* Color System */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F9FA;

  --text-primary: #202124;
  --text-secondary: #5F6368;

  --accent-primary: #4285F4;
  /* Links, Buttons */
  --accent-hover: #3367D6;
  /* Darker shade for hover */

  --color-success: #34A853;
  --color-warning: #FBBC05;
  --color-error: #EA4335;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* Spacing */
  --container-width: 1300px;
  /* Increased to accommodate wide navbar */
  --spacing-sm: 0.5rem;
  /* 8px */
  --spacing-md: 1rem;
  /* 16px */
  --spacing-lg: 2rem;
  /* 32px */
  --spacing-xl: 4rem;
  /* 64px */
  --header-height: 80px;

  /* Transitions */
  --transition-speed: 0.3s;
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

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

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

ul {
  list-style: none;
}

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

/* Typography */
h1,
h2,
h3,
h4 {
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

h1 {
  font-size: 3rem;
  color: var(--text-primary);
  letter-spacing: -1px;
}

h2 {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  max-width: 70ch;
  /* Readable line length */
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: 6rem 0;
  /* More generous spacing */
}

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

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.grid {
  display: grid;
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  background-color: var(--accent-primary);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: 4px;
  border: 2px solid var(--accent-primary);
  cursor: pointer;
  transition: all var(--transition-speed);
  text-align: center;
  font-size: 1rem;
}

.btn:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn--outline {
  background-color: transparent;
  color: var(--accent-primary);
}

.btn--outline:hover {
  background-color: #e8f0fe;
  /* Light blue tint */
  transform: translateY(-2px);
}

.btn--large {
  font-size: 1.1rem;
  padding: 1rem 2.5rem;
}

/* Cards & Content Blocks */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.card {
  background: var(--bg-primary);
  padding: var(--spacing-lg);
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  transition: transform var(--transition-speed);
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
}

.icon-box {
  width: 60px;
  height: 60px;
  background-color: #e8f0fe;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
  font-weight: bold;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  text-align: center;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header */
.header {
  height: var(--header-height);
  background-color: var(--bg-primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid #eee;
  transition: padding var(--transition-speed);
}

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  margin-right: 2rem;
}

.nav__list {
  display: flex;
  gap: var(--spacing-md);
  /* Reduced from lg to md to fit more items */
  align-items: center;
}

.nav__link {
  font-weight: 500;
  font-size: 0.95rem;
  /* Slightly smaller to ensure fit */
  white-space: nowrap;
  /* Prevent wrapping */
  color: var(--text-primary);
  position: relative;
  padding: 0.5rem 0;
  /* Increase touch target slightly */
}

.nav__link:hover {
  color: var(--accent-primary);
}

.nav__item {
  position: relative;
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-primary);
  min-width: 220px;
  border: 1px solid #eee;
  padding: var(--spacing-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-speed);
  box-shadow: none;
  border-top: 2px solid var(--accent-primary);
}

.nav__item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown__link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
}

.dropdown__link:hover {
  background-color: var(--bg-secondary);
  color: var(--accent-primary);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-primary);
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  padding-top: var(--spacing-xl);
  color: var(--text-secondary);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.footer__col h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.footer__links li {
  margin-bottom: var(--spacing-sm);
}

.footer__links a:hover {
  color: var(--accent-primary);
  padding-left: 4px;
  /* Subtle movement */
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: #e0e0e0;
  color: var(--text-primary);
  border-radius: 50%;
  transition: all var(--transition-speed);
  font-size: 1.1rem;
}

.social-links a:hover {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  transform: translateY(-3px);
}

.copyright {
  border-top: 1px solid #ddd;
  padding: var(--spacing-md) 0;
  text-align: center;
  font-size: 0.9rem;
}

/* Mission Box */
.mission-box {
  background-color: var(--bg-primary);
  border: 1px solid #e0e0e0;
  border-left: 5px solid var(--accent-primary);
  border-radius: 8px;
  padding: 3rem;
  margin-top: 2rem;
  position: relative;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  /* Very subtle shadow for depth */
}

.mission-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1100px) {
  .nav {
    display: none;
    /* Hide default nav for mobile implementation later or just break to hamburger earlier */
  }

  .mobile-toggle {
    display: block;
  }
}

/* Additional Responsive fix for the new wide header */
@media (max-width: 1200px) {
  .nav__link {
    font-size: 0.9rem;
  }
}

@media (max-width: 900px) {

  /* Reuse mobile menu styles from previous step, ensuring they are robust */
  .nav {
    display: block;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-primary);
    padding: var(--spacing-lg);
    transform: translateX(100%);
    transition: transform var(--transition-speed);
    z-index: 999;
    overflow-y: auto;
  }

  .nav.active {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .dropdown {
    position: static;
    border: none;
    padding-left: var(--spacing-md);
    background: transparent;
    border-top: none;
    display: block;
    /* Always show in mobile or use toggle */
    opacity: 1;
    visibility: visible;
    transform: none;
    min-width: auto;
  }

  .card-grid,
  .step-grid,
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  h1 {
    font-size: 2.25rem;
  }

  .section {
    padding: 4rem 0;
  }

  /* Contact page specific mobile adjustments */
  .contact-form-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Accordion Styles */
.accordion-item {
  background-color: var(--bg-primary);
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.accordion-summary {
  list-style: none;
  padding: 1.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color var(--transition-speed);
}

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

.accordion-summary:hover {
  background-color: var(--bg-secondary);
}

.accordion-summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--accent-primary);
  font-weight: 400;
  transition: transform 0.3s;
}

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

.accordion-content {
  padding: 0 1.25rem 1.25rem 1.25rem;
  color: var(--text-secondary);
  line-height: 1.6;
  border-top: 1px solid #eee;
}

/* Timeline Styles */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 30px;
  /* Adjust based on dot size */
  width: 2px;
  background: #e0e0e0;
}

.timeline-item {
  position: relative;
  margin-bottom: 4rem;
  padding-left: 80px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: 0;
  top: 0;
  width: 60px;
  height: 60px;
  background: var(--bg-primary);
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.25rem;
  z-index: 1;
  /* Shadow to separate from line */
  box-shadow: 0 0 0 5px var(--bg-primary);
}

.timeline-content h3 {
  margin-bottom: 0.5rem;
  color: var(--accent-primary);
}

/* Specific Timeline Responsiveness */
@media (max-width: 900px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-marker {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    left: 0;
  }

  .timeline-item {
    padding-left: 60px;
  }
}

/* Finder Tool Styles */
.finder-container {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  padding: 2rem;
  border: 1px solid #eee;
}

.finder-step {
  display: none;
  animation: fadeIn 0.4s ease-in-out;
}

.finder-step.active {
  display: block;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-select,
.form-input {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  background-color: #fff;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1);
}

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

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.checkbox-card {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 10px;
}

.checkbox-card:hover {
  border-color: var(--accent-primary);
  background: var(--bg-secondary);
}

.checkbox-card input {
  width: 1.2rem;
  height: 1.2rem;
}

.finder-results {
  display: none;
  padding-top: 1rem;
  border-top: 1px solid #eee;
  margin-top: 2rem;
}

.result-card {
  background: #f0f7ff;
  border: 1px solid #cce5ff;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

/* Coverage Page - State Grid */
.state-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.state-item {
  display: block;
  background: #fff;
  border: 1px solid #eee;
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  color: var(--text-primary);
  font-weight: 500;
  transition: all 0.2s;
}

.state-item:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--bg-secondary);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: #fff;
  padding: 2.5rem;
  border-radius: 12px;
  width: 90%;
  max-width: 500px;
  position: relative;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: #666;
}

.modal-close:hover {
  color: var(--color-error);
}