/**
 * Sandland - Main Stylesheet
 * 
 * Project: Sandland Website
 * Description: of Stormy Heartbreakers Golden Retriever Kennel
 * Location: Lake Totak, Vinje, Norway
 * 
 * Author: Claude AI Assistant
 * Date: 2025-10-12
 * Version: 1.0.0
 */

/* ============================================================================
   CSS VARIABLES (Design Tokens)
   ========================================================================= */

:root {
  /* Colors - Primary */
  --norwegian-red: #C1272D;
  --golden: #D4AF37;
  --lake-blue: #1E3A5F;
  --stone-gray: #5A6978;
  --moss-green: #4A5D23;
  
  /* Colors - Secondary */
  --snow-white: #F8F9FA;
  --earth-brown: #5C4033;
  --sky-blue: #87CEEB;
  --sunset-gold: #FFB347;
  
  /* Colors - Neutral */
  --white: #FFFFFF;
  --off-white: #F5F5F5;
  --light-gray: #E0E0E0;
  --medium-gray: #9E9E9E;
  --dark-gray: #424242;
  --black: #1A1A1A;
  
  /* Typography */
  --font-primary: 'Playfair Display', 'Georgia', serif;
  --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 
                    'Helvetica Neue', Arial, sans-serif;
  --font-accent: 'Crimson Text', 'Times New Roman', serif;
  
  /* Font Sizes */
  --font-size-h1: 3.5rem;
  --font-size-h2: 2.5rem;
  --font-size-h3: 1.75rem;
  --font-size-h4: 1.25rem;
  --font-size-body: 1rem;
  --font-size-small: 0.875rem;
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --font-weight-black: 900;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --container-narrow: 800px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  :root {
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 4rem;
  }
}

/* ============================================================================
   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-secondary);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--black);
}

h1 {
  font-size: var(--font-size-h1);
}

h2 {
  font-size: var(--font-size-h2);
}

h3 {
  font-size: var(--font-size-h3);
}

h4 {
  font-size: var(--font-size-h4);
}

p {
  margin-bottom: var(--space-sm);
  max-width: 65ch;
}

a {
  color: var(--norwegian-red);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--lake-blue);
}

strong {
  font-weight: var(--font-weight-bold);
}

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

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

.container-wide {
  max-width: var(--container-wide);
}

.container-narrow {
  max-width: var(--container-narrow);
}

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

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

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

.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

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

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

.nav-logo {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--norwegian-red);
}

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

.nav-link {
  font-weight: var(--font-weight-medium);
  color: var(--dark-gray);
  padding: var(--space-xs) 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--norwegian-red);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-instagram {
  color: var(--norwegian-red);
  font-size: 1.5rem;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark-gray);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    transition: transform var(--transition-base);
  }
  
  .nav-menu.open {
    transform: translateY(0);
  }
  
  .nav-toggle {
    display: block;
  }
}

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

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3));
  z-index: -1;
}

.hero-content {
  z-index: 1;
  animation: fadeInUp 1s ease;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: var(--space-sm);
  color: var(--white);
  text-shadow: 2px 2px 12px rgba(0, 0, 0, 0.8),
               0 0 20px rgba(0, 0, 0, 0.6);
}

.hero-subtitle {
  font-family: var(--font-secondary);
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  font-weight: var(--font-weight-light);
  margin-bottom: var(--space-md);
  opacity: 0.95;
}

.hero-location {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: var(--space-lg);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

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

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-secondary);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
}

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

.btn-primary:hover {
  background: #A01F24;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(193, 39, 45, 0.3);
}

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

.btn-secondary:hover {
  background: var(--norwegian-red);
  color: var(--white);
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

/* ============================================================================
   STATS SECTION
   ========================================================================= */

.stats {
  background: linear-gradient(135deg, var(--norwegian-red), #A01F24);
  color: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  text-align: center;
}

.stat {
  padding: var(--space-md);
}

.stat-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  opacity: 0.9;
}

.stat-number {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  display: block;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 1.125rem;
  opacity: 0.95;
}

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

.card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-content {
  padding: var(--space-md);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.card-title {
  font-size: var(--font-size-h4);
  margin-bottom: var(--space-sm);
}

.card-text {
  color: var(--stone-gray);
}

/* ============================================================================
   GRID LAYOUTS
   ========================================================================= */

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

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ============================================================================
   SPLIT SECTIONS (Image + Text)
   ========================================================================= */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.split-reverse {
  direction: rtl;
}

.split-reverse > * {
  direction: ltr;
}

.split-image {
  width: 100%;
  height: 100%;
  min-height: 400px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

@media (max-width: 968px) {
  .split {
    grid-template-columns: 1fr;
  }
  
  .split-reverse {
    direction: ltr;
  }
}

/* ============================================================================
   HERITAGE SPOTLIGHT
   ========================================================================= */

.spotlight {
  position: relative;
  padding: var(--space-xl) 0;
  text-align: center;
  color: var(--white);
  overflow: hidden;
}

.spotlight-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.spotlight-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: -1;
}

.spotlight-quote {
  font-family: var(--font-accent);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-style: italic;
  max-width: 800px;
  margin: 0 auto var(--space-md);
}

.spotlight-subtext {
  font-size: 1.125rem;
  opacity: 0.95;
}

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

.footer {
  background: #2A2A2A;
  color: var(--light-gray);
  padding: var(--space-xl) 0 var(--space-md);
}

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

.footer-logo {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  opacity: 0.8;
}

.footer-title {
  color: var(--white);
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

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

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

.footer-links a {
  color: var(--light-gray);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-small);
  opacity: 0.7;
}

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

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

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

.bg-off-white {
  background-color: var(--off-white);
}

.bg-lake-blue {
  background: linear-gradient(135deg, var(--lake-blue), #2C4A6E);
  color: var(--white);
}

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

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

/* ============================================================================
   ANIMATIONS
   ========================================================================= */

.fade-in {
  opacity: 0;
  animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

.slide-up {
  opacity: 0;
  transform: translateY(30px);
  animation: slideUp 0.8s ease forwards;
}

@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll-triggered animations (requires JS) */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}