:root {
    --bg-color: #fdfdfd;
    --text-color: #111;
    --secondary-text: #666;
    --accent-color: #ccc;
    --serif-font: 'Playfair Display', serif;
    --sans-font: 'Inter', sans-serif;
    --transition-speed: 0.6s;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    font-family: var(--sans-font);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-color);
    z-index: 9999;
}

#loading-screen h1 {
    font-size: 3rem;
    font-family: var(--serif-font);
    font-weight: 300;
    letter-spacing: 0.2rem;
    opacity: 0;
    animation: fadeEffect 4s ease-in-out forwards;
}

@keyframes fadeEffect {
    0% { opacity: 0; transform: translateY(10px); }
    25% { opacity: 1; transform: translateY(0); }
    75% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(-10px); visibility: hidden; }
}

/* Main Content */
#main-content {
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

#main-content.visible {
    opacity: 1;
}

.hidden {
    display: none;
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 5%;
    background: transparent;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--serif-font);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.1rem;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 3rem;
    margin: 0;
}

.nav-links li a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15rem;
    transition: opacity 0.3s ease;
}

.nav-links li a:hover {
    opacity: 0.5;
}

/* Hero Section */
#hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 5%;
    border-bottom: 1px solid #eee;
}

.subtitle {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.4rem;
    color: var(--secondary-text);
    margin-bottom: 1rem;
}

.title {
    font-family: var(--serif-font);
    font-size: 6rem;
    font-weight: 300;
    margin: 0;
    line-height: 1.1;
}

/* Works Section */
#works {
    padding: 8rem 5%;
}

.section-header {
    margin-bottom: 5rem;
    text-align: center;
}

.section-header h3 {
    font-family: var(--serif-font);
    font-size: 2.5rem;
    font-weight: 300;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 400px;
    gap: 2rem;
}

.work-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.work-image {
    width: 100%;
    height: 100%;
    transition: transform var(--transition-speed) cubic-bezier(0.165, 0.84, 0.44, 1);
}

.work-info {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    color: var(--text-color);
    transition: transform 0.4s ease;
}

.category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    color: var(--secondary-text);
    display: block;
    margin-bottom: 0.5rem;
}

.work-info h4 {
    margin: 0;
    font-family: var(--serif-font);
    font-size: 1.5rem;
    font-weight: 400;
}

.work-item:hover .work-image {
    transform: scale(1.05);
}

.work-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.work-item.wide {
    grid-column: span 2;
}

/* About Section */
#about {
    padding: 10rem 5%;
    background-color: #f9f9f9;
}

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

#about h3 {
    font-family: var(--serif-font);
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 2rem;
}

/* Footer */
footer {
    padding: 5rem 5%;
    border-top: 1px solid #eee;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-family: var(--serif-font);
    font-size: 1.5rem;
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: 2rem;
}

.social-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
}

@media (max-width: 1024px) {
    .works-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .title {
        font-size: 4rem;
    }
}

@media (max-width: 768px) {
    .works-grid {
        grid-template-columns: 1fr;
    }
    .work-item.large, .work-item.wide {
        grid-column: span 1;
        grid-row: span 1;
    }
    .nav-links {
        display: none;
    }
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}