/* ========================================
   CSS VARIABLES - Theme System
   ======================================== */
:root {
    /* Dark Theme (Default) */
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --bg-tertiary: #2e2e2e;
    --text-primary: #f5f5f5;
    --text-secondary: #b8b8b8;
    --accent-red: #a63d40;
    --accent-red-hover: #8b3235;
    --accent-gold: #d4a574;
    --border-color: #3a3a3a;
    
    /* Typography */
    --font-display: 'Crimson Pro', serif;
    --font-body: 'Work Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f0f0;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --accent-red: #a63d40;
    --accent-red-hover: #8b3235;
    --accent-gold: #c49563;
    --border-color: #e0e0e0;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background-color var(--transition-medium), color var(--transition-medium);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

a {
    color: var(--accent-red);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-red-hover);
}

/* ========================================
   NAVIGATION
   ======================================== */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: background-color var(--transition-medium);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo a {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-red);
    transition: width var(--transition-fast);
}

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

.nav-controls {
    display: flex;
    gap: 1rem;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
}

.theme-toggle, .lang-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.theme-toggle:hover, .lang-toggle:hover {
    background: var(--bg-tertiary);
    transform: translateY(-1px);
}

/* ========================================
   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;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2e2e2e 50%, #1a1a1a 100%);
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(166, 61, 64, 0.15) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

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

.hero-title {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.title-line {
    display: block;
    animation: fadeInUp 1s ease;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.title-line:nth-child(2) {
    color: var(--accent-red);
    animation-delay: 0.4s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 400;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    letter-spacing: 0.05em;
    animation: fadeInUp 1s ease 0.6s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: var(--text-secondary);
    animation: bounce 2s infinite;
}

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

/* ========================================
   PATH SELECTION SECTION
   ======================================== */
.path-selection {
    padding: var(--spacing-xl) 2rem;
    background: var(--bg-secondary);
}

.paths-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.path-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: 8px;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.path-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-medium);
}

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

.path-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.path-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.path-card h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.path-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.path-button {
    display: inline-block;
    background: var(--accent-red);
    color: #ffffff;
    padding: 0.875rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.path-button:hover {
    background: var(--accent-red-hover);
    transform: translateX(4px);
    color: #ffffff;
}

/* ========================================
   QUICK ABOUT SECTION
   ======================================== */
.quick-about {
    padding: var(--spacing-xl) 2rem;
    background: var(--bg-primary);
}

.quick-about-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.quick-about h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.mission-content p {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.read-more {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--accent-red);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap var(--transition-fast);
}

.read-more:hover {
    gap: 1rem;
}

/* ========================================
   FOOTER
   ======================================== */
.main-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .nav-controls {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
    }
    
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 6rem 1rem 4rem;
    }
    
    .paths-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .path-card {
        padding: 2rem;
    }
}