/* ============================================
   SCOOTERCHAIRS.COM - SHARED STYLES
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cabinet+Grotesk:wght@400;500;600;700&family=General+Sans:wght@300;400;500;600&display=swap');

/* ============================================
   CSS VARIABLES & DESIGN SYSTEM
   ============================================ */

:root {
  /* Colors */
  --primary-dark: #004D40;
  --primary-main: #00796B;
  --primary-light: #26A69A;
  --primary-lighter: #80CBC4;
  --primary-lightest: #E0F2F1;
  
  /* Neutral */
  --text-dark: #1a1a1a;
  --text-light: #666666;
  --border-light: #e0e0e0;
  --bg-light: #f9f9f9;
  --white: #ffffff;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Typography */
  --font-heading: 'Cabinet Grotesk', sans-serif;
  --font-body: 'General Sans', sans-serif;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

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

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

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

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-light);
  line-height: 1.8;
}

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

a:hover {
  color: var(--primary-dark);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

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

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

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

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

.btn-text {
  background: none;
  color: var(--primary-main);
  padding: 0;
  position: relative;
}

.btn-text::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-main);
  transition: width var(--transition-normal);
}

.btn-text:hover::after {
  width: 100%;
}

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

.card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

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

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

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

.section {
  padding: var(--spacing-2xl) 0;
}

.section-dark {
  background-color: var(--primary-dark);
  color: var(--white);
}

.section-dark h2,
.section-dark h3 {
  color: var(--white);
}

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  text-decoration: none;
}

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

nav a {
  font-weight: 500;
  position: relative;
  color: var(--text-dark);
}

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

nav a:hover::after {
  width: 100%;
}

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

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

footer {
  background-color: var(--primary-dark);
  color: var(--white);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-2xl);
}

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

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  line-height: 1.8;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

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

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  padding: var(--spacing-lg);
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
}

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

/* ============================================
   FORMS & INPUTS
   ============================================ */

input,
textarea,
select {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-main);
  box-shadow: 0 0 0 3px rgba(0, 121, 107, 0.1);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-light);
}

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

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

.form-error {
  color: #d32f2f;
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

/* ============================================
   COOKIE BANNER
   ============================================ */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--primary-dark);
  color: var(--white);
  padding: var(--spacing-lg);
  z-index: 1000;
  display: none;
  box-shadow: var(--shadow-lg);
}

.cookie-banner.show {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.cookie-banner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}

.cookie-banner a {
  color: var(--primary-light);
}

.cookie-banner-actions {
  display: flex;
  gap: var(--spacing-md);
  white-space: nowrap;
}

/* ============================================
   LAZY LOADING
   ============================================ */

img[loading="lazy"] {
  opacity: 0;
  transition: opacity var(--transition-normal);
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  nav ul {
    gap: var(--spacing-md);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  nav {
    display: none;
  }
  
  nav.mobile-open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
  }
  
  nav.mobile-open ul {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .hero {
    min-height: 60vh;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-banner-actions {
    width: 100%;
    flex-direction: column;
  }
  
  .cookie-banner-actions button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
}

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

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

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

.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); }

.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); }

.pt-sm { padding-top: var(--spacing-sm); }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }

.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }

.hidden {
  display: none;
}

.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;
}