/*
 * SeaCrate Website Styles
 * Maritime Professional Theme
 * Blue & White Color Palette
 */

/* ========================================
   CSS VARIABLES - DESIGN SYSTEM
   ======================================== */

:root {
  /* Primary Colors - Maritime Professional Blue */
  --primary-blue: #2C5F7F;
  --secondary-blue: #4A90B5;
  --accent-blue: #6BAED6;

  /* Neutral Foundation */
  --white: #FFFFFF;
  --light-grey: #F5F7FA;
  --medium-grey: #8A9BA8;
  --dark-grey: #2D3748;
  --charcoal: #1A202C;

  /* Accent Colors */
  --success-green: #48BB78;
  --warning-red: #E53E3E;        /* Bright red for UK caravan CTAs */
  --warning-orange: #F56565;     /* Red-orange accent */
  --gold: #D69E2E;

  /* Typography */
  --font-heading: 'Montserrat', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Open Sans', 'Lato', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Roboto Mono', monospace;

  /* Type Scale */
  --text-hero: clamp(48px, 5vw, 64px);
  --text-h1: clamp(36px, 4vw, 42px);
  --text-h2: clamp(28px, 3vw, 32px);
  --text-h3: clamp(22px, 2.5vw, 24px);
  --text-h4: clamp(18px, 2vw, 20px);
  --text-large: clamp(18px, 1.8vw, 20px);
  --text-body: 16px;
  --text-small: 14px;
  --text-caption: 12px;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 64px;
  --spacing-xxxl: 96px;

  /* Layout */
  --max-width: 1200px;
  --section-padding: var(--spacing-xxl);
  --border-radius: 6px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--dark-grey);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--charcoal);
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

.hero-heading {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.2;
}

p {
  margin-bottom: var(--spacing-md);
  max-width: 70ch;
}

.text-large {
  font-size: var(--text-large);
  line-height: 1.6;
}

.text-small {
  font-size: var(--text-small);
}

.text-caption {
  font-size: var(--text-caption);
  color: var(--medium-grey);
}

strong, b {
  font-weight: 600;
}

/* ========================================
   LAYOUT UTILITIES
   ======================================== */

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

.section {
  padding: var(--section-padding) 0;
}

.section-alt {
  background-color: var(--light-grey);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.flex {
  display: flex;
}

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

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

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

/* ========================================
   NAVIGATION
   ======================================== */

.header {
  position: sticky;
  top: 0;
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.logo {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--primary-blue);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--dark-grey);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  padding: var(--spacing-xs) 0;
}

.nav-link:hover {
  color: var(--primary-blue);
}

.nav-link.active {
  color: var(--primary-blue);
  border-bottom: 2px solid var(--primary-blue);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--primary-blue);
}

.nav-close {
  display: none; /* Hidden by default on desktop */
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--white);
    flex-direction: column;
    padding: var(--spacing-xxl) var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-medium);
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-close {
    display: block; /* Show on mobile */
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--primary-blue);
  }
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-block;
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: var(--text-body);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 48px;
  line-height: 1.5;
}

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

.btn-primary:hover {
  background-color: #244d66;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-success {
  background-color: var(--success-green);
  color: var(--white);
}

.btn-success:hover {
  background-color: #38a169;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-warning {
  background-color: var(--warning-orange);
  color: var(--white);
}

.btn-warning:hover {
  background-color: #e53e3e;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

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

.btn-large {
  padding: 16px 32px;
  font-size: var(--text-large);
}

.btn-block {
  display: block;
  width: 100%;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
  background-image:
    linear-gradient(135deg, rgba(44, 95, 127, 0.85) 0%, rgba(74, 144, 181, 0.85) 100%),
    url('../images/hero-homepage.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: hidden;
}

/* Hero background images for different pages */
.hero.hero-vehicles {
  background-image:
    linear-gradient(135deg, rgba(44, 95, 127, 0.85) 0%, rgba(74, 144, 181, 0.85) 100%),
    url('../images/hero-vehicles.jpg');
}

.hero.hero-caravans {
  background-image:
    linear-gradient(135deg, rgba(44, 95, 127, 0.85) 0%, rgba(74, 144, 181, 0.85) 100%),
    url('../images/hero-caravans.jpg');
}

.hero.hero-machinery {
  background-image:
    linear-gradient(135deg, rgba(44, 95, 127, 0.85) 0%, rgba(74, 144, 181, 0.85) 100%),
    url('../images/hero-machinery.jpg');
}

.hero.hero-sell {
  background: linear-gradient(135deg, #E53E3E 0%, #FC8181 100%);
  background-image:
    linear-gradient(135deg, rgba(229, 62, 62, 0.9) 0%, rgba(252, 129, 129, 0.9) 100%),
    url('../images/hero-sell-caravan.jpg');
}

/* Background images now handled directly in .hero classes above */

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: var(--spacing-md);
}

.hero-heading {
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subheading {
  font-size: var(--text-large);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  font-weight: 400;
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.trust-indicators {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  font-size: var(--text-small);
  margin-top: var(--spacing-lg);
  opacity: 0.9;
}

.trust-indicators span::before {
  content: '✓ ';
  font-weight: bold;
}

/* ========================================
   CARDS
   ======================================== */

.card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-medium);
  height: 100%;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  background-color: var(--light-grey);
  background-size: cover;
  background-position: center;
}

/* Service card image backgrounds */
.card-image.service-vehicle {
  background-image: url('../images/service-vehicle.jpg');
}

.card-image.service-caravan {
  background-image: url('../images/service-caravan.jpg');
}

.card-image.service-machinery {
  background-image: url('../images/service-machinery.jpg');
}

.card-image.service-container {
  background-image: url('../images/service-container.jpg');
}

.card-title {
  font-size: var(--text-h4);
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.card-price {
  font-family: var(--font-mono);
  font-size: var(--text-large);
  color: var(--success-green);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.card-description {
  color: var(--medium-grey);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

/* ========================================
   SECTIONS
   ======================================== */

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.section-title {
  font-size: var(--text-h2);
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: var(--text-large);
  color: var(--medium-grey);
}

/* Icon Grid for USPs */
.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.icon-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.icon-item-icon {
  font-size: 48px;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-md);
}

.icon-item-title {
  font-size: var(--text-h4);
  margin-bottom: var(--spacing-sm);
  color: var(--charcoal);
}

.icon-item-description {
  color: var(--medium-grey);
  line-height: 1.6;
}

/* UK Caravan Section (Highlighted) */
.caravan-section {
  background: linear-gradient(135deg, #F0F8FF 0%, #E6F3FF 100%);
  border-left: 4px solid var(--warning-orange);
}

.two-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

.column-box {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.column-box h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-md);
}

.column-box ul {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.column-box ul li {
  padding: var(--spacing-xs) 0;
  color: var(--dark-grey);
}

.column-box ul li::before {
  content: '✓ ';
  color: var(--success-green);
  font-weight: bold;
  margin-right: var(--spacing-xs);
}

/* Timeline/Process Steps */
.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.timeline-step {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.timeline-step::before {
  content: attr(data-step);
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background-color: var(--primary-blue);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: var(--text-large);
}

.timeline-step h3 {
  margin-top: var(--spacing-md);
  color: var(--primary-blue);
}

/* ========================================
   FORMS
   ======================================== */

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--dark-grey);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: var(--text-body);
  border: 2px solid var(--light-grey);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-fast);
  background-color: var(--white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
}

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

.form-checkbox {
  margin-right: var(--spacing-xs);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background-color: var(--charcoal);
  color: var(--light-grey);
  padding: var(--spacing-xxl) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-column h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: var(--text-h4);
}

.footer-column ul {
  list-style: none;
}

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

.footer-link {
  color: var(--light-grey);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-blue);
}

.footer-bottom {
  border-top: 1px solid var(--medium-grey);
  padding-top: var(--spacing-md);
  text-align: center;
  font-size: var(--text-small);
  color: var(--medium-grey);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.text-primary { color: var(--primary-blue); }
.text-success { color: var(--success-green); }
.text-warning { color: var(--warning-orange); }
.text-muted { color: var(--medium-grey); }

.bg-primary { background-color: var(--primary-blue); color: var(--white); }
.bg-light { background-color: var(--light-grey); }
.bg-white { background-color: var(--white); }

/* ========================================
   RESPONSIVE BREAKPOINTS
   ======================================== */

@media (max-width: 768px) {
  :root {
    --section-padding: var(--spacing-lg);
  }

  .hero {
    min-height: 500px;
  }

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

  .trust-indicators {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .icon-grid,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .two-column {
    grid-template-columns: 1fr;
  }

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

  .btn {
    width: 100%;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: 3px solid var(--primary-blue);
  outline-offset: 2px;
}

/* ========================================
   LOADING & ANIMATIONS
   ======================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .btn,
  .hero-cta {
    display: none;
  }
}