/* Design Tokens */
:root {
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #1a1a1a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-accent: #e0e0e0;

    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;

    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s ease;
}

/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Header */
.header {
    padding: var(--spacing-md) 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

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

.logo {
    font-weight: 600;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: var(--color-text-primary);
    font-size: 1.2rem;
}

.header ul {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.header a {
    text-decoration: none;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.header a:hover {
    color: var(--color-text-primary);
}

/* Hero */
.hero {
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--spacing-xl);
    background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('hero-bg.png');
    background-size: cover;
    background-position: center;
    position: relative;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1.1;
    font-weight: 300;
    letter-spacing: -0.02em;
    background: linear-gradient(to bottom right, #fff, #888);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeUp 1s ease-out;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Gallery - Masonry Grid approximation */
.gallery {
    padding: var(--spacing-xl) 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1;
    /* Default square aspect ratio, can override inline for variety */
    transition: transform var(--transition-normal);
}

.gallery-item:hover {
    transform: scale(0.98);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
}

/* About Section */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

.about-content {
    display: flex;
    flex-direction: column-reverse;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}


.about-text p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    max-width: 60ch;
}

.about-image img {
    border-radius: 4px;
    max-width: 100%;
    height: auto;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

@media (min-width: 768px) {
    .about-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        text-align: left;
    }
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
    text-align: center;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    background: transparent;
    border: 1px solid var(--color-text-secondary);
    color: var(--color-text-primary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    transition: all var(--transition-fast);
    border-radius: 4px;
}

.btn-contact:hover {
    background: var(--color-text-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-text-primary);
}

.btn-contact svg {
    width: 20px;
    height: 20px;
}