/* ========================================
   Aqua East Surf Shop - Main Stylesheet
   Mobile-first responsive design
   ======================================== */

/* ========================================
   CSS Variables
   ======================================== */
:root {
  /* Colors */
  --primary-color: #2B7A9B;
  --secondary-color: #F4A460;
  --accent-color: #50C878;
  --dark-color: #1A1A1A;
  --light-color: #F5F5F5;
  --white: #FFFFFF;
  --text-color: #333333;
  --text-light: #666666;
  --border-color: #DDDDDD;
  --error-color: #DC3545;
  --success-color: #28A745;
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: Georgia, "Times New Roman", serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Layout */
  --max-width: 1200px;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

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

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

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

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--dark-color);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
  font-weight: 600;
}

h3 {
  font-size: 1.75rem;
  font-weight: 600;
}

h4 {
  font-size: 1.5rem;
  font-weight: 500;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-color);
}

/* ========================================
   Layout & Container
   ======================================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

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

/* ========================================
   Header & Navigation
   ======================================== */
.header {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-heading);
}

.logo:hover {
  color: var(--secondary-color);
}

.nav-menu {
  display: none;
  list-style: none;
}

.nav-menu.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--white);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-sm);
}

.nav-menu li {
  margin: var(--spacing-xs) 0;
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  display: block;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  background-color: var(--primary-color);
  color: var(--white);
}

.nav-toggle {
  display: block;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-color);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1A5F7A 100%);
  color: var(--white);
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-sm);
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  color: var(--white);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--white);
  opacity: 0.95;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: transparent;
  color: var(--secondary-color);
  border-color: var(--secondary-color);
}

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

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

.btn-submit {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  cursor: pointer;
  border-radius: var(--border-radius);
  transition: var(--transition);
  width: 100%;
}

.btn-submit:hover {
  background-color: #1A5F7A;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Content Sections
   ======================================== */
.content-section {
  padding: var(--spacing-xl) 0;
}

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

.section-title {
  font-size: 2.5rem;
  color: var(--dark-color);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

.text-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

.text-content p {
  margin-bottom: var(--spacing-md);
}

/* ========================================
   Cards & Info Boxes
   ======================================== */
.info-card {
  background-color: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: var(--spacing-md);
  transition: var(--transition);
}

.info-card:hover {
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-4px);
}

.info-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

/* ========================================
   Forms
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-color);
}

.form-label.required::after {
  content: ' *';
  color: var(--error-color);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(43, 122, 155, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-error {
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  display: none;
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--error-color);
}

.form-input.error + .form-error,
.form-textarea.error + .form-error,
.form-select.error + .form-error {
  display: block;
}

.form-row {
  display: grid;
  gap: var(--spacing-md);
}

/* ========================================
   Contact Information
   ======================================== */
.contact-info {
  background-color: var(--light-color);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
}

.contact-item {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: flex-start;
}

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

.contact-icon {
  margin-right: var(--spacing-sm);
  color: var(--primary-color);
  font-size: 1.25rem;
  min-width: 24px;
}

.contact-details h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
  color: var(--primary-color);
}

.contact-details p {
  margin-bottom: 0;
  color: var(--text-color);
}

.contact-details a {
  color: var(--text-color);
}

.contact-details a:hover {
  color: var(--primary-color);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background-color: var(--dark-color);
  color: var(--light-color);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer-section h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section a {
  color: var(--light-color);
  font-size: 0.9rem;
}

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

.footer-links {
  list-style: none;
}

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

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

.footer-bottom p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--light-color);
}

/* ========================================
   Thank You Page
   ======================================== */
.thank-you-content {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-sm);
  max-width: 600px;
  margin: 0 auto;
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--success-color);
  margin-bottom: var(--spacing-md);
}

.thank-you-content h1 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.thank-you-content p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
}

/* ========================================
   Legal Pages
   ======================================== */
.legal-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-sm);
}

.legal-content h1 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.legal-content h2 {
  color: var(--dark-color);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.legal-content h3 {
  color: var(--text-color);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.legal-content p,
.legal-content li {
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

.legal-content ul,
.legal-content ol {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.legal-content .last-updated {
  color: var(--text-light);
  font-style: italic;
  margin-bottom: var(--spacing-lg);
}

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

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

.text-secondary {
  color: var(--secondary-color);
}

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

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

/* ========================================
   Responsive Design - Tablet (768px+)
   ======================================== */
@media (min-width: 768px) {
  /* Typography */
  h1 { font-size: 3rem; }
  h2 { font-size: 2.5rem; }
  
  /* Navigation */
  .nav-toggle {
    display: none;
  }
  
  .nav-menu {
    display: flex;
    flex-direction: row;
    position: static;
    box-shadow: none;
    padding: 0;
  }
  
  .nav-menu li {
    margin: 0 var(--spacing-xs);
  }
  
  .nav-menu.active {
    flex-direction: row;
  }
  
  /* Hero */
  .hero {
    min-height: 500px;
  }
  
  .hero h1 {
    font-size: 3.5rem;
  }
  
  /* Forms */
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form-row.single {
    grid-template-columns: 1fr;
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Buttons */
  .btn-submit {
    width: auto;
  }
}

/* ========================================
   Responsive Design - Desktop (1024px+)
   ======================================== */
@media (min-width: 1024px) {
  /* Container */
  .container {
    padding: 0 var(--spacing-md);
  }
  
  /* Hero */
  .hero {
    min-height: 600px;
  }
  
  .hero h1 {
    font-size: 4rem;
  }
  
  .hero p {
    font-size: 1.5rem;
  }
  
  /* Sections */
  .content-section {
    padding: var(--spacing-xl) 0;
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
  .header,
  .footer,
  .btn,
  .nav-toggle {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  h1 { font-size: 24pt; }
  h2 { font-size: 18pt; }
  h3 { font-size: 14pt; }
  
  a {
    text-decoration: underline;
    color: #000;
  }
}

/* ========================================
   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 styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-sm);
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}