/* style.css - Minimalist Greyscale Theme */

:root {
    --bg-color: #ffffff;
    --text-color: #111111;
    --text-muted: #666666;
    --border-color: #e0e0e0;
    --accent-color: #000000;
    --hover-bg: #f5f5f5;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h1 {
    font-size: clamp(3rem, 5vw, 6rem);
    margin-bottom: 1rem;
}

h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid var(--accent-color);
    transition: all var(--transition-speed) ease;
    cursor: pointer;
}

.btn:hover {
    background-color: transparent;
    color: var(--accent-color);
}

.btn-outline {
    background-color: transparent;
    color: var(--accent-color);
}

.btn-outline:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

/* Header */
header {
    padding: 2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-color);
    letter-spacing: 0.1em;
}

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

nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-speed) ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent-color);
    transition: width var(--transition-speed) ease;
}

nav a:hover {
    color: var(--text-color);
}

nav a:hover::after {
    width: 100%;
}

/* Main Sections */
section {
    padding: 8rem 0;
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px; /* Offset for fixed header */
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4 / 5;
    background-color: var(--hover-bg); /* Placeholder bg */
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: grayscale(100%);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.gallery-overlay h3 {
    color: white;
}

.gallery-overlay p {
    color: #cccccc;
    margin-bottom: 0;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
    transform: translateY(0);
}

/* About & Contact */
.about {
    background-color: var(--hover-bg);
}

.about-content {
    max-width: 800px;
}

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

footer p {
    margin: 0 auto;
    font-size: 0.9rem;
}

/* Project Detail Page */
.project-detail {
    padding-top: 120px; /* Account for fixed header */
    padding-bottom: 4rem;
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-speed) ease;
}

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

.project-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.project-image-container {
    width: 100%;
    max-height: 60vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--hover-bg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.project-image {
    max-width: 100%;
    max-height: 60vh;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    filter: grayscale(100%);
    transition: filter var(--transition-speed) ease;
}

.project-image:hover {
    filter: grayscale(0%);
}

.project-info h1 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 0.5rem;
}

.project-info h3 {
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 2rem;
}

.project-description p {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .project-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .project-image-container {
        max-width: 500px;
        margin: 0 auto;
    }
}