@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    --bg-color: #050505;
    --accent-color: #8b5cf6;
    --accent-glow: rgba(139, 92, 246, 0.5);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    --transition-smooth: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

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

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

/* Background Hero */
.hero-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: url('assets/hero.png') no-repeat center center/cover;
    filter: brightness(0.4);
    transition: var(--transition-smooth);
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(to right, #fff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
    text-shadow: 0 0 10px var(--accent-glow);
}

/* Main Content */
main {
    padding-top: 150px;
    padding-bottom: 50px;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 5%;
    padding-right: 5%;
}

header {
    margin-bottom: 4rem;
    text-align: center;
}

header h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* 3D Gallery Grid */
.gallery-container {
    perspective: 1500px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
    transform-style: preserve-3d;
}

.photo-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out, box-shadow 0.3s ease;
}

.photo-card:hover {
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
}

.photo-wrapper {
    width: 100%;
    aspect-ratio: 4/5;
    overflow: hidden;
}

.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.photo-card:hover img {
    transform: scale(1.1);
}

.photo-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    transform: translateZ(20px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.photo-card:hover .photo-info {
    opacity: 1;
}

.photo-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.actions {
    display: flex;
    gap: 1rem;
}

.btn-download {
    padding: 0.5rem 1rem;
    border-radius: 10px;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.btn-download:hover {
    background: #7c3aed;
    transform: scale(1.05);
}

/* Lightbox */
#lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 2rem;
}

#lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 10px;
    box-shadow: 0 0 50px rgba(139, 92, 246, 0.3);
}

.close-lightbox {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition-smooth);
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    nav {
        padding: 1rem 5%;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: rgba(5, 5, 5, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease;
        border-left: 1px solid var(--glass-border);
        z-index: 999;
    }

    .nav-links.active {
        right: 0;
    }
    
    main {
        padding-top: 100px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    header h1 {
        font-size: 2.5rem;
    }
    
    .photo-info {
        opacity: 1; /* Always show info on mobile */
        background: linear-gradient(transparent, rgba(0,0,0,0.6));
    }
}