/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-bg: #ffffff;
    --secondary-bg: #f8f8f8;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent: #2a2a2a;
    --border: #e0e0e0;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--primary-bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-image {
    height: 100px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.05rem;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--text-primary);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    margin-top: -100px;
    padding-top: 100px;
}

.hero-content {
    text-align: center;
    padding: 2rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 1px;
    height: 50px;
    background-color: var(--text-secondary);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% {
        opacity: 0;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(10px);
    }
}

/* Section Styles */
.section {
    padding: 8rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    text-align: center;
    letter-spacing: 1px;
}

/* About Section */
.about-section {
    background-color: var(--primary-bg);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    gap: 4rem;
    align-items: flex-start;
}

.about-image {
    flex: 0 0 350px;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 2px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.about-text {
    flex: 1;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Works Section */
.works-section {
    background-color: var(--secondary-bg);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.work-item {
    display: block;
    text-decoration: none;
    perspective: 1000px;
    height: 0;
    padding-bottom: 100%;
    position: relative;
}

.work-flip-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.work-item:hover .work-flip-container {
    transform: rotateY(180deg);
}

.work-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.work-flip-front,
.work-flip-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 2px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.work-flip-front {
    overflow: hidden;
}

.work-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.work-flip-back {
    background: linear-gradient(135deg, var(--accent) 0%, var(--text-primary) 100%);
    transform: rotateY(180deg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.work-flip-title {
    font-size: 1.8rem;
    font-weight: 300;
    color: #ffffff;
    letter-spacing: 2px;
    text-align: center;
    margin: 0;
}

/* Contact Section */
.contact-section {
    background-color: var(--primary-bg);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-links {
    margin-bottom: 2rem;
}

.contact-link {
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--text-primary);
    transition: var(--transition);
}

.contact-link:hover {
    opacity: 0.7;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.social-link {
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link:hover {
    color: var(--text-primary);
    transform: translateY(-3px);
}

/* Footer */
.footer {
    padding: 2rem 0;
    text-align: center;
    background-color: var(--secondary-bg);
    border-top: 1px solid var(--border);
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Work Detail Pages */
.work-detail-hero {
    padding: 10rem 0 6rem;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    text-align: center;
}

.work-detail-title {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.work-detail-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.work-detail-content {
    background-color: var(--primary-bg);
}

.work-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.work-detail-item {
    padding: 2.5rem;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border);
    border-radius: 2px;
    transition: var(--transition);
}

.work-detail-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.work-detail-item-title {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.work-detail-meta {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.work-detail-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.work-detail-item iframe {
    margin-top: 1.5rem;
    border-radius: 2px;
}

.work-detail-back {
    text-align: center;
    padding-top: 2rem;
}

.btn-back {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--accent);
    color: #ffffff;
    text-decoration: none;
    border-radius: 2px;
    transition: var(--transition);
    font-size: 1rem;
    letter-spacing: 0.5px;
}

.btn-back:hover {
    background-color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100px;
        left: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        border-bottom: 1px solid var(--border);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        padding: 1rem 2rem;
        display: block;
    }

    .logo-image {
        height: 60px;
    }

    .nav-container {
        height: 70px;
    }

    .nav-menu {
        top: 70px !important;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section {
        padding: 5rem 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-content {
        flex-direction: column;
        gap: 2rem;
    }

    .about-image {
        flex: 0 0 auto;
        max-width: 300px;
        margin: 0 auto;
    }

    .works-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .work-detail-hero {
        padding: 8rem 0 4rem;
    }

    .work-detail-title {
        font-size: 2.5rem;
    }

    .work-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .works-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .work-detail-hero {
        padding: 7rem 0 3rem;
    }

    .work-detail-title {
        font-size: 2rem;
    }

    .work-detail-subtitle {
        font-size: 1rem;
    }

    .work-detail-item {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .container {
        padding: 0 1.5rem;
    }

    .nav-container {
        padding: 0 1.5rem;
    }
}