/* ===== Design System: Modern Golf ===== */
:root {
    /* Colors */
    --primary: #1e5631;
    --secondary: #f4e8d0;
    --accent: #d4a574;
    --background: #ffffff;
    --text: #2c3e50;
    --text-light: #6c757d;
    --border: #e1e8ed;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Georgia', serif;
}

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

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

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

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

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

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Navigation ===== */
nav {
    background: var(--primary);
    color: white;
    padding: var(--spacing-sm) 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

nav .logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
    letter-spacing: 1px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    margin: 0;
}

nav a {
    color: white;
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: all 0.3s ease;
}

nav a:hover {
    background: rgba(255,255,255,0.1);
    color: var(--secondary);
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #2d7a4a 100%);
    color: white;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    opacity: 0.3;
}

.hero h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.hero .cta-button {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    position: relative;
    z-index: 1;
}

.hero .cta-button:hover {
    background: #c49563;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

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

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

.section-sand {
    background: var(--secondary);
}

.intro {
    padding: var(--spacing-lg) 0;
}

.intro h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

/* ===== Cards ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.card {
    background: white;
    border-radius: 8px;
    padding: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

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

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

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #2d7a4a;
}

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

.btn-accent:hover {
    background: #c49563;
}

/* ===== Footer ===== */
footer {
    background: var(--text);
    color: white;
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

footer p {
    opacity: 0.8;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    nav ul {
        gap: var(--spacing-sm);
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
}

/* ===== Badges ===== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--secondary);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-large {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: white;
    border-radius: 25px;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* ===== Content Boxes ===== */
.benefits-box, .tip-box, .steps-box, .features-box, .course-info-box {
    background: var(--secondary);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin: var(--spacing-md) 0;
    border-left: 4px solid var(--primary);
}

.steps-list {
    counter-reset: step-counter;
    list-style: none;
    padding-left: 0;
}

.steps-list li {
    counter-increment: step-counter;
    margin-bottom: var(--spacing-sm);
    padding-left: 3rem;
    position: relative;
}

.steps-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: var(--primary);
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.image-block {
    margin: var(--spacing-md) 0;
    text-align: center;
}

.image-block img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.intro-text {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border);
}

/* ===== Enhanced Hero Section ===== */
.hero-enhanced {
    background: linear-gradient(135deg, var(--primary) 0%, #2d7a4a 100%);
    color: white;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.hero-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 165, 116, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(244, 232, 208, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-enhanced h1 {
    color: white;
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    line-height: 1.1;
}

.hero-lead {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    font-weight: 300;
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

/* ===== Stats Section ===== */
.stats-section {
    background: var(--secondary);
    padding: var(--spacing-lg) var(--spacing-md);
    margin-top: calc(var(--spacing-xl) * -1);
    position: relative;
    z-index: 2;
}

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

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-heading);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* ===== Features Section ===== */
.features-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary);
}

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

.feature-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    line-height: 1;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary);
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.feature-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
}

.feature-link:hover {
    color: var(--primary);
    transform: translateX(4px);
}

/* ===== Latest Content Section ===== */
.latest-content {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--background);
}

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

/* ===== Newsletter Section ===== */
.newsletter-section {
    background: linear-gradient(135deg, var(--primary) 0%, #2d7a4a 100%);
    padding: var(--spacing-xl) var(--spacing-md);
    color: white;
}

.newsletter-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.newsletter-box h2 {
    color: white;
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.newsletter-box p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 500px;
    margin: 0 auto var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.newsletter-form input:focus {
    outline: none;
    border-color: white;
    background: white;
}

.newsletter-form button {
    border-radius: 50px;
    padding: 1rem 2rem;
    white-space: nowrap;
}

.newsletter-privacy {
    font-size: 0.875rem;
    opacity: 0.8;
    margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero-enhanced h1 {
        font-size: 2.5rem;
    }
    
    .hero-lead {
        font-size: 1.25rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        min-width: 100%;
    }
}