/* ===== Base Styles ===== */
:root {
  --border-radius-sm: 4px;
  --border-radius-md: 6px;
  --border-radius-lg: 8px;
  --border-width: 1px;
  --shadow-none: none;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.1);
  --transition-speed: 0.3s;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --line-height: 1.5;
}

/* ===== Layout ===== */
* {
  box-sizing: border-box !important;
}

body {
  margin: 0 !important;
  padding: 0 !important;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.page {
  min-height: 100vh;
  padding: var(--spacing-lg) 0;
}

.section {
  /* No default margin - sections control their own spacing */
}

.section-title {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
}

.page-subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.8;
}

.section-heading,
.theme-heading,
h2.mb-4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-gray-500);
  width: 100%;
}

/* ===== Grid System ===== */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  width: 100%;
}

.flex {
  display: flex;
  align-items: stretch; /* Ensure items stretch to fill container height by default */
}

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

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

.flex-wrap {
  flex-wrap: wrap;
}

.justify-center {
  justify-content: center;
}

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

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

.gap-2 {
  gap: 0.5rem;
}

.gap-3 {
  gap: 0.75rem;
}

.gap-4 {
  gap: 1rem;
}

/* ===== Header & Navigation ===== */
.header {
  padding: var(--spacing-md) 0;
  border-bottom: var(--border-width) solid;
}

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

.logo {
  display: flex;
  align-items: center;
}

/* ===== GPS Section Page Header Fix ===== */
/* Restore natural logo dimensions and center left/right/middle sections */
#page-header .logo {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex: 0 0 200px;
  min-width: 200px;
  text-align: center;
}

#page-header .logo img {
  width: auto !important;
  height: 30px !important;
  max-width: 180px;
  flex-shrink: 0;
}

#page-header #BANNER {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex: 1 1 auto;
  min-width: 0;
}

#page-header #BANNER > a {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100%;
}

#page-header .header-right {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex: 0 0 200px;
  min-width: 200px;
  text-align: center;
}

#page-header .header-right .phone {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center;
  width: 100%;
}

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

.nav-link {
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-speed) ease;
}

.nav-link.active {
  font-weight: var(--font-weight-bold);
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-xl);
  padding: var(--spacing-sm);
}

/* Site Header Specific Styles */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-speed) ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-lg);
}

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

.site-header .main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-md);
}

.site-header .main-nav a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-speed) ease;
}

.site-header .main-nav a:hover {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
}

.site-header .main-nav a.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.site-header .cta-button a {
  background-color: var(--color-primary);
  color: var(--color-text-white);
}

.site-header .cta-button a:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ===== Cards ===== */
.card {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: var(--border-width) solid;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-speed) ease;
}

.card-dark {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: var(--border-width) solid;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-speed) ease;
}

.feature-card {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: var(--border-width) solid;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-speed) ease;
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: var(--font-size-xl);
  border: none;
  box-shadow: none;
}

.feature-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  font-size: var(--font-size-md);
  line-height: var(--line-height);
}

/* ===== Buttons ===== */
.button {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  border: var(--border-width) solid;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.button-primary {
  border: none;
}

.button-secondary {
  border: none;
}

.button-accent {
  border: none;
}

.button-outline {
  background: transparent;
}

.w-full {
  width: 100%;
}

/* ===== Forms ===== */
.input, .textarea, .select {
  width: 100%;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: var(--border-width) solid;
  font-size: var(--font-size-md);
  transition: all var(--transition-speed) ease;
}

.textarea {
  min-height: 100px;
  resize: vertical;
}

.label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

/* ===== Icons ===== */
.icon-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: var(--border-width) solid;
  width: 100px;
  height: 100px;
  margin: var(--spacing-sm);
  transition: all var(--transition-speed) ease;
}

/* ===== Footer ===== */
.footer {
  padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  border-top: var(--border-width) solid;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.footer-column h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links li a {
  text-decoration: none;
  transition: all var(--transition-speed) ease;
}

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

.social-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: all var(--transition-speed) ease;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  border-top: var(--border-width) solid;
  text-align: center;
  font-size: var(--font-size-sm);
}

/* ===== Utility Classes ===== */
.text-center {
  text-align: center;
}

.text-light {
  opacity: 0.8;
}

.shadow {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

/* Ensure images with shadow class have proper shadow */
img.shadow {
  box-shadow: var(--shadow-lg) !important;
  border: var(--border-width) solid var(--color-border);
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-3 {
  margin-bottom: 0.75rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-5 {
  margin-bottom: 1.5rem;
}

.mb-6 {
  margin-bottom: 2rem;
}

.mt-5 {
  margin-top: 1.5rem;
}

.mt-6 {
  margin-top: 2rem;
}

.mt-8 {
  margin-top: 2rem;
}

.ml-3 {
  margin-left: 0.75rem;
}

.p-4 {
  padding: 1rem;
}

.p-5 {
  padding: 1.5rem;
}

.pb-2 {
  padding-bottom: 0.5rem;
}

.block {
  display: block;
}

.rounded {
  border-radius: var(--border-radius-md);
}

.border {
  border: var(--border-width) solid;
}

.border-b {
  border-bottom: var(--border-width) solid;
}

.h-full {
  height: 100%;
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    border-bottom: var(--border-width) solid;
    z-index: 10;
  }

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

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

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