/* Photography Portfolio - Main Stylesheet */

/* Import modern sans-serif font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

/* CSS Variables for easy theming */
:root {
    --color-bg: #FAFAFA;
    --color-white: #FFFFFF;
    --color-text-primary: #2C2C2C;
    --color-text-secondary: #6B6B6B;
    --color-accent: #8A8A8A;
    --color-accent-hover: #5A5A5A;
    --color-border: #E5E5E5;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-accent);
}

/* Header */
header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

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

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

.logo {
    font-family: 'Brush Script MT', cursive;
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
}

.logo img {
    max-height: 50px;
    width: auto;
    display: block;
}

nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

nav a {
    font-size: 0.95rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
}

nav a:hover,
nav a.active {
    border-bottom-color: var(--color-accent);
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

/* Age Verification */
.age-verification {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--color-bg);
}

.verification-box {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 2px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.verification-box h1 {
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

.verification-box p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition);
    border-radius: 2px;
}

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

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

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

/* Gallery Filters */
.gallery-filters {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-btn {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xs) var(--spacing-md);
    cursor: pointer;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition);
    border-radius: 2px;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

/* Masonry Gallery */
.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    grid-auto-flow: dense;
}

.gallery-item {
    cursor: pointer;
    overflow: hidden;
    background: transparent;
    border-radius: 2px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), filter 0.4s ease;
    filter: grayscale(0%) brightness(100%);
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: grayscale(0%) brightness(105%);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(250, 250, 250, 0);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease, background-color 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
    background-color: rgba(250, 250, 250, 0.98);
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    transform: scale(0.9);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.lightbox.active .lightbox-content {
    transform: scale(1);
    opacity: 1;
}

.lightbox img {
    max-width: 100%;
    max-height: 75vh;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.lightbox-info {
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 2px;
    max-width: 600px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.lightbox-info h3 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.lightbox-info p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

.lightbox-info:empty {
    display: none;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2.5rem;
    color: var(--color-accent);
    cursor: pointer;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: 50%;
    transition: var(--transition);
}

.lightbox-close:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: var(--color-accent);
    cursor: pointer;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: 50%;
    transition: var(--transition);
}

.lightbox-nav:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

/* About Page */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 2px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.about-content h1 {
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

.about-content h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    color: var(--color-text-secondary);
}

.about-content p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 2px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 400;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    border-radius: 2px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-white);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.radio-group {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-transform: none;
    cursor: pointer;
}

.radio-group input[type="radio"] {
    width: auto;
    cursor: pointer;
}

.form-section {
    display: none;
}

.form-section.active {
    display: block;
}

.success-message {
    background-color: #E8F5E9;
    color: #2E7D32;
    padding: var(--spacing-md);
    border-radius: 2px;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.error-message {
    background-color: #FFEBEE;
    color: #C62828;
    padding: var(--spacing-md);
    border-radius: 2px;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

/* Footer */
footer {
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.social-links a {
    color: var(--color-text-secondary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    color: var(--color-accent);
    transform: translateY(-2px);
}

.social-links svg {
    width: 24px;
    height: 24px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    nav ul {
        gap: var(--spacing-md);
    }

    .gallery {
        grid-template-columns: 1fr;
    }

    .lightbox-close,
    .lightbox-nav {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .lightbox-prev {
        left: 1rem;
    }

    .lightbox-next {
        right: 1rem;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
}

/* Loading Animation */
.loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-secondary);
}

.loading::after {
    content: '...';
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.language-switcher .lang-btn {
    padding: 0.25rem 0.75rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.language-switcher .lang-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.language-switcher .lang-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
    font-weight: 500;
}

/* Language content sections */
[data-lang-content] {
    transition: opacity 0.2s ease;
}

[data-lang-content][hidden] {
    display: none;
}