/* 
Golfive - Modern Golf Blog CSS v2.0
Enhanced design with premium effects and animations
Last updated: Feb 2025
*/

/* ===== BASE STYLES & VARIABLES ===== */
:root {
  /* Enhanced Color Palette - Golf-inspired with modern tones */
  --primary-green: #1a5c3a;
  --primary-green-dark: #0f3d26;
  --primary-green-light: #2d7a50;
  --accent-gold: #d4af37;
  --accent-gold-light: #f4d03f;
  --accent-gold-dark: #b8941d;
  --text-primary: #1a1a2e;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --background-light: #f7fafc;
  --background-white: #ffffff;
  --background-cream: #fdfbf7;
  --border-color: #e2e8f0;
  --border-light: #edf2f7;
  
  /* Enhanced Shadows - More depth */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-light: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.03);
  --shadow-medium: 0 10px 25px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.04);
  --shadow-large: 0 20px 40px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 40px rgba(26, 92, 58, 0.15);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-secondary: 'Playfair Display', Georgia, serif;
  
  /* Spacing - Enhanced scale */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Breakpoints */
  --breakpoint-mobile: 480px;
  --breakpoint-tablet: 768px;
  --breakpoint-desktop: 1024px;
  --breakpoint-large: 1200px;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--background-light);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Selection styling */
::selection {
  background: var(--primary-green);
  color: white;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background-light);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-green-light);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-green);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.25rem); }

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

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

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

/* Enhanced text utilities */
.text-gradient {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

/* ===== LAYOUT UTILITIES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-green), var(--accent-gold));
  margin: var(--spacing-md) auto 0;
  border-radius: var(--radius-full);
}

.view-all {
  color: var(--primary-green);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all var(--transition-fast);
}

.view-all:hover {
  color: var(--primary-green-dark);
  gap: var(--spacing-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  box-shadow: var(--shadow-light);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  background: linear-gradient(135deg, var(--primary-green-dark) 0%, var(--primary-green) 100%);
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.btn:active {
  transform: translateY(-1px);
}

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

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

.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
  color: var(--text-primary);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--accent-gold-dark) 0%, var(--accent-gold) 100%);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-medium);
}

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

.logo {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
}

.logo span {
  color: var(--accent-gold);
}

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

.nav-link {
  color: white;
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

.nav-link:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width 0.3s ease;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(135deg, var(--primary-green-dark) 0%, var(--primary-green) 50%, var(--primary-green-light) 100%);
  color: white;
  text-align: center;
  padding: var(--spacing-4xl) 0;
  margin-bottom: var(--spacing-2xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to top, var(--background-light), transparent);
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--spacing-lg);
  color: white;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  opacity: 0.95;
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease-out 0.2s both;
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons .btn {
  min-width: 180px;
}

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

/* ===== BLOG POSTS ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.blog-post {
  background: var(--background-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: all var(--transition-base);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.blog-post:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-large);
  border-color: var(--border-color);
}

.blog-post:hover .post-image img {
  transform: scale(1.05);
}

.post-image {
  height: 220px;
  background: linear-gradient(135deg, var(--primary-green-light), var(--accent-gold));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.post-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.4));
  pointer-events: none;
}

.post-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.post-content {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-meta {
  display: flex;
  gap: var(--spacing-md);
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.post-meta time {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.post-meta time::before {
  content: '📅';
  font-size: 0.9em;
}

.post-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.post-author::before {
  content: '✍️';
  font-size: 0.9em;
}

.post-title {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
  line-height: 1.3;
}

.post-title a {
  color: inherit;
  transition: color var(--transition-fast);
}

.post-title a:hover {
  color: var(--primary-green);
}

.post-excerpt {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
  flex: 1;
}

.read-more {
  color: var(--primary-green);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: auto;
  transition: all var(--transition-fast);
}

.read-more::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.read-more:hover {
  color: var(--primary-green-dark);
  gap: var(--spacing-sm);
}

.read-more:hover::after {
  transform: translateX(4px);
}

/* ===== FEATURES SECTION ===== */
.features {
  margin-bottom: var(--spacing-2xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background: var(--background-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-green), var(--accent-gold));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  color: white;
  box-shadow: 0 8px 20px rgba(26, 92, 58, 0.3);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 30px rgba(26, 92, 58, 0.4);
}

.feature-icon svg {
  width: 36px;
  height: 36px;
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== NEWSLETTER ===== */
.newsletter-form {
  display: flex;
  max-width: 450px;
  gap: var(--spacing-sm);
}

.newsletter-input {
  flex: 1;
  padding: 14px 20px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: var(--background-white);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 4px rgba(26, 92, 58, 0.1);
}

.newsletter-input::placeholder {
  color: var(--text-muted);
}

/* ===== FOOTER ===== */
.footer {
  background: linear-gradient(135deg, var(--text-primary) 0%, #0f1419 100%);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-green), var(--accent-gold), var(--primary-green));
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-content {
    grid-template-columns: 1fr;
  }
}

.footer-section:first-child {
  max-width: 300px;
}

.footer-title {
  color: white;
  margin-bottom: var(--spacing-lg);
  font-size: 1.1rem;
  font-weight: 600;
  font-family: var(--font-primary);
  position: relative;
  display: inline-block;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--accent-gold);
  border-radius: var(--radius-full);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  line-height: 1.8;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--accent-gold);
  transform: translateX(4px);
}

.footer .newsletter-form {
  margin-top: var(--spacing-md);
}

.footer .newsletter-input {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: white;
}

.footer .newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.footer .newsletter-input:focus {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-gold);
}

.copyright {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.copyright p {
  color: inherit;
  margin: var(--spacing-xs) 0;
}

/* ===== E-COMMERCE READY CLASSES ===== */
/* These will be useful when you add shop functionality */
.product-card {
  background: var(--background-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: transform 0.3s ease;
}

.product-card:hover {
  transform: translateY(-5px);
}

.product-image {
  height: 200px;
  background: var(--background-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-info {
  padding: var(--spacing-md);
}

.product-price {
  font-weight: bold;
  color: var(--primary-green);
  font-size: 1.2rem;
  margin: var(--spacing-xs) 0;
}

.add-to-cart {
  width: 100%;
  padding: 10px;
  background: var(--primary-green);
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

.add-to-cart:hover {
  background: var(--primary-green-dark);
}

/* ===== HEADER & NAVIGATION ENHANCEMENTS ===== */
.header {
  background: linear-gradient(135deg, var(--primary-green-dark) 0%, var(--primary-green) 100%);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-medium);
  backdrop-filter: blur(10px);
}

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

.logo {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.logo:hover {
  transform: scale(1.02);
}

.logo-text {
  background: linear-gradient(135deg, white 0%, var(--accent-gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
}

.nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width var(--transition-base);
  border-radius: var(--radius-full);
}

.nav-link:hover {
  color: white;
}

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

.nav-link.active {
  color: var(--accent-gold);
}

.mobile-menu-btn {
  display: none;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.cart-icon {
  color: white;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent-gold);
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-green);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
  border-radius: 0 0 var(--radius-md) 0;
}

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

/* ===== BACKGROUND UTILITIES ===== */
.bg-light {
  background-color: var(--background-cream);
}

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

/* ===== LOADING ANIMATION ===== */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.loading {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-primary { color: var(--primary-green); }
.text-gold { color: var(--accent-gold); }
.bg-primary { background: var(--primary-green); }
.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;
}
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* Responsive adjustments */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary-green-dark);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero {
    padding: var(--spacing-3xl) 0;
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .section-header {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    padding: 0 var(--spacing-lg);
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
}