:root {
    --primary-color: #b2060a;
    --primary-light: #d63031;
    --bg-color: #ffeddc;
    --bg-secondary: #fff5eb;
    --white: #ffffff;
    --text-dark: #1a1a1a;
    --text-light: #6b7280;
    --text-muted: #9ca3af;
    --success: #10b981;
    --info: #d63031;
    --warning: #f59e0b;
    --purple: #8b5cf6;
    --orange: #f97316;
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --border-radius-sm: 8px;
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
    color: var(--text-dark);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(178, 6, 10, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
    animation: backgroundFloat 20s ease-in-out infinite;
    z-index: -1;
}

@keyframes backgroundFloat {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

/* Hero Section */
.hero {
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
}

.hero-backdrop {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(178, 6, 10, 0.05) 100%);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    margin: 20px;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 32px;
    animation: fadeInDown 0.8s var(--spring);
}

.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 24px;
    line-height: 1.1;
    animation: fadeInUp 0.8s var(--spring) 0.2s both;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 48px;
    font-weight: 400;
    line-height: 1.6;
    animation: fadeInUp 0.8s var(--spring) 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--spring) 0.6s both;
}

.hero-btn {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: 16px 32px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.hero-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.hero-btn.btn-outline {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--primary-color);
}

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

/* Category Cards */
.category-grid {
    display: grid;
    gap: 32px;
    margin-bottom: 80px;
}

.category-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    position: relative;
    transition: var(--transition);
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.category-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: 24px 32px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.category-icon {
    font-size: 1.5rem;
}

.category-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
}

.category-body {
    padding: 32px;
}

/* Project Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--info));
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.project-card:hover::before {
    opacity: 1;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.project-title {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-bottom: 4px;
    font-family: 'Space Grotesk', sans-serif;
}

.project-url {
    font-size: 0.875rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.project-status {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-live {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-development {
    background: rgba(249, 115, 22, 0.1);
    color: var(--orange);
}

.status-beta {
    background: rgba(139, 92, 246, 0.1);
    color: var(--purple);
}

.project-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-features {
    list-style: none;
}

.project-features li {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-features li::before {
    content: '→';
    color: var(--primary-color);
    font-weight: 600;
}

/* Infrastructure Section */
.infrastructure-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.infra-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.infra-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.infra-title {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-family: 'Space Grotesk', sans-serif;
}

.infra-description {
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.6;
}

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

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

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--spring);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 60px 0 40px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    .project-grid {
        grid-template-columns: 1fr;
    }

    .category-header {
        padding: 20px 24px;
    }

    .category-body {
        padding: 24px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-6 { margin-bottom: 2rem; }
.mb-8 { margin-bottom: 3rem; }
.mt-6 { margin-top: 2rem; }
.mt-8 { margin-top: 3rem; }