:root {
    /* Color Palette */
    --bg-dark: #0a0a0c;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-bg: rgba(255, 255, 255, 0.06);
    --card-hover-border: rgba(255, 255, 255, 0.15);
    
    --text-main: #f8f8f8;
    --text-muted: #a1a1aa;
    
    /* Accents */
    --accent-photography: #ff4d4d; /* vibrant red */
    --accent-mart: #10b981; /* emerald green */
    --accent-wheels: #3b82f6; /* bright blue */
    --accent-academia: #8b5cf6; /* deep violet */
    
    /* Layout */
    --max-width: 1200px;
    --radius-lg: 24px;
    --radius-md: 16px;
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* --- Background Gradients --- */
.bg-gradient {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.4;
    animation: float 20s infinite ease-in-out alternate;
}

.bg-gradient-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, rgba(0,0,0,0) 70%);
}

.bg-gradient-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, rgba(0,0,0,0) 70%);
    animation-delay: -5s;
}

.bg-gradient-3 {
    top: 40%;
    left: 40%;
    width: 30vw;
    height: 30vw;
    background: radial-gradient(circle, rgba(255, 77, 77, 0.15) 0%, rgba(0,0,0,0) 70%);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(5%, 5%) scale(1.1); }
}

/* --- Container --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

/* --- Hero Section --- */
.hero {
    text-align: center;
    padding: 4rem 0 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 1s forwards ease-out;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #fff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 400;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.hero-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    margin: 0 auto 2rem;
    border-radius: 2px;
}

.hero-bio {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* --- Segments Grid --- */
.segments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.segment-card {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    
    /* Animation initial state */
    opacity: 0;
    transform: translateY(20px);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% -20%, var(--hover-color, rgba(255,255,255,0.1)), transparent 60%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 0;
}

.segment-card:hover {
    background: var(--card-hover-bg);
    border-color: var(--card-hover-border);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.segment-card:hover .card-glow {
    opacity: 1;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    transition: var(--transition);
    color: var(--hover-color, #fff);
}

.segment-card:hover .card-icon {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.1);
}

.card-content {
    position: relative;
    z-index: 1;
    flex-grow: 1;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.card-description {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.5;
}

.card-arrow {
    position: absolute;
    bottom: 2.5rem;
    right: 2rem;
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition);
    color: var(--text-main);
}

.segment-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* --- Card Specific Colors --- */
#card-photography {
    --hover-color: var(--accent-photography);
}
#card-mart {
    --hover-color: var(--accent-mart);
}
#card-wheels {
    --hover-color: var(--accent-wheels);
}
#card-academia {
    --hover-color: var(--accent-academia);
}

/* --- Footer --- */
.footer {
    text-align: center;
    padding: 2rem 0;
    color: rgba(255,255,255,0.3);
    font-size: 0.9rem;
    margin-top: 2rem;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 2rem 1.5rem;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .segment-card {
        padding: 2rem 1.5rem;
    }
    
    .card-arrow {
        bottom: 2rem;
        right: 1.5rem;
    }
}

/* --- Sub-page Styles --- */
.page-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--card-border);
}

.back-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition);
}

.back-btn:hover {
    background: var(--card-hover-bg);
    border-color: var(--card-hover-border);
    transform: translateX(-5px);
}

.page-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
}

.page-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    min-height: 400px;
}