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

:root {
    /* Color System - User Requested: Red, Blue, Green with Dark Background */
    --primary-red: #FF0040;
    --primary-blue: #00E5FF;
    --primary-green: #00FF88;
    
    --red-dark: #CC0033;
    --red-glow: rgba(255, 0, 64, 0.4);
    --blue-dark: #00B8D4;
    --blue-glow: rgba(0, 229, 255, 0.4);
    --green-dark: #00CC6A;
    --green-glow: rgba(0, 255, 136, 0.4);
    
    /* Dark Background System */
    --bg-primary: #000000;
    --bg-surface: #0a0a0a;
    --bg-surface-hover: #141414;
    --bg-glass: rgba(10, 10, 10, 0.8);
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #A3A3A3;
    --text-muted: #737373;
    
    /* Spacing (8px grid) */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Animations */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

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

/* Grid Background Pattern */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: -1;
}

/* Container */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: var(--space-lg) 0;
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.logo-accent {
    color: var(--primary-blue);
    margin-left: var(--space-xs);
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-normal);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    transition: var(--transition-normal);
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.hero-gif {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 229, 255, 0.1) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 800px;
    padding: 0 var(--space-xl);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.title-accent {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.cta-button {
    position: relative;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    border: none;
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--bg-primary);
    border-radius: var(--space-md);
    cursor: pointer;
    transition: var(--transition-normal);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 32px var(--blue-glow);
}

.button-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition-slow);
}

.cta-button:hover .button-glow {
    left: 100%;
}

.hero-stats {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-2xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--primary-blue);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
    font-family: var(--font-mono);
}

/* Golfer Profiles Section */
.golfers-section {
    padding: var(--space-4xl) 0;
    background: var(--bg-surface);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    background: linear-gradient(90deg, var(--text-primary), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.golfers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
}

.golfer-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--space-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
}

.golfer-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: 0 0 40px var(--blue-glow);
}

.card-media {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.golfer-gif,
.golfer-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.golfer-card:hover .golfer-gif,
.golfer-card:hover .golfer-image {
    transform: scale(1.05);
}

.media-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 0, 0, 0.7) 100%
    );
}

.play-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.pulse-ring {
    width: 60px;
    height: 60px;
    border: 2px solid var(--primary-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.pulse-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: var(--primary-green);
    border-radius: 50%;
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-blue), var(--primary-green));
    animation: scan 3s linear infinite;
}

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

.golfer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.golfer-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.golfer-rank {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font-mono);
}

.golfer-stats {
    margin-bottom: var(--space-lg);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-tag {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.stat-value {
    font-size: 0.875rem;
    color: var(--primary-blue);
    font-weight: 600;
    font-family: var(--font-mono);
}

.golfer-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Technology Section */
.technology-section {
    padding: var(--space-4xl) 0;
    background: var(--bg-primary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
}

.tech-card {
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--space-lg);
    padding: var(--space-2xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-blue), var(--primary-green));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

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

.tech-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-green);
    box-shadow: 0 0 30px var(--green-glow);
}

.tech-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    position: relative;
}

.icon-sensor,
.icon-ai,
.icon-vr {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: relative;
}

.icon-sensor {
    background: radial-gradient(circle, var(--primary-blue), var(--blue-dark));
    box-shadow: 0 0 20px var(--blue-glow);
}

.icon-ai {
    background: radial-gradient(circle, var(--primary-green), var(--green-dark));
    box-shadow: 0 0 20px var(--green-glow);
}

.icon-vr {
    background: radial-gradient(circle, var(--primary-red), var(--red-dark));
    box-shadow: 0 0 20px var(--red-glow);
}

.tech-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.tech-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-2xl) 0 var(--space-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
}

.footer-link:hover {
    color: var(--primary-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}

/* Animations */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

@keyframes scan {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(238px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
        bottom: var(--space-xl);
    }
    
    .golfers-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .footer-links {
        gap: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-lg);
    }
    
    .nav-container {
        padding: 0 var(--space-lg);
    }
    
    .hero-content {
        padding: 0 var(--space-lg);
    }
}