/* ==========================================================================
   BYUKLUSTUDIO - MAIN STYLESHEET
   Modern, minimal, premium photography website
   ========================================================================== */

/* --------------------------------------------------------------------------
   Image & Content Protection (public site only, not admin)
   -------------------------------------------------------------------------- */
body:not(.admin-page) img {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
    pointer-events: none;
    -webkit-touch-callout: none;
}

/* Re-enable pointer events for clickable images (lightbox etc.) */
body:not(.admin-page) a img,
body:not(.admin-page) button img,
body:not(.admin-page) [data-lightbox] img,
body:not(.admin-page) .lightbox img,
body:not(.admin-page) .portfolio-item img,
body:not(.admin-page) .blog-card img {
    pointer-events: auto;
}

/* Transparent overlay on images to block long-press save on mobile */
body:not(.admin-page) .img-protect {
    position: relative;
    display: inline-block;
    line-height: 0;
}
body:not(.admin-page) .img-protect::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: transparent;
}

/* --------------------------------------------------------------------------
   CSS Variables (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Dark Theme (Default) */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #161616;
    --bg-tertiary: #1a1a1a;

    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;

    --border: #222222;
    --border-light: #333333;

    --accent: #C9A24D;
    --accent-hover: #D4B366;
    --accent-muted: rgba(201, 162, 77, 0.1);

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.4);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f8f8;
    --bg-card: #ffffff;
    --bg-tertiary: #f0f0f0;

    --text-primary: #0a0a0a;
    --text-secondary: #555555;
    --text-muted: #888888;

    --border: #e5e5e5;
    --border-light: #d0d0d0;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    transition: background-color var(--transition-base), color var(--transition-base);
}

a {
    color: inherit;
    text-decoration: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
}

ul,
ol {
    list-style: none;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.2;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

.text-accent {
    color: var(--accent);
}

.text-muted {
    color: var(--text-muted);
}

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

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-3xl) 0;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-base);
}

[data-theme="light"] .header {
    background: rgba(255, 255, 255, 0.9);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
}

.logo span:first-child {
    color: var(--text-primary);
}

.logo span:last-child {
    color: var(--accent);
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--accent);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: var(--text-primary);
}

/* Mobile Nav */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-secondary);
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    text-align: center;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
}

.footer-logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg img {
    position: absolute;
    /* Stack images */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
            rgba(0, 0, 0, 0.3) 0%,
            rgba(0, 0, 0, 0.5) 50%,
            rgba(0, 0, 0, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    color: #fff;
    margin-bottom: var(--spacing-md);
}

.hero .manifesto {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-style: italic;
    color: var(--accent);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* --------------------------------------------------------------------------
   Portfolio Grid
   -------------------------------------------------------------------------- */
.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.portfolio-item {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: pointer;
}

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

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-item .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .overlay {
    opacity: 0;
    pointer-events: none;
}

.portfolio-item .overlay h3 {
    color: #fff;
    font-size: 1.25rem;
}

/* Large first item */
.portfolio-grid .portfolio-item:first-child {
    grid-column: span 2;
    grid-row: span 2;
}

@media (max-width: 768px) {
    .portfolio-grid .portfolio-item:first-child {
        grid-column: span 1;
        grid-row: span 1;
    }
}

/* --------------------------------------------------------------------------
   Lightbox
   -------------------------------------------------------------------------- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.lightbox.open {
    display: flex;
}

.lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.lightbox.loading img {
    opacity: 0;
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
    padding: 0;
}

.lightbox-nav:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.lightbox-prev {
    left: var(--spacing-lg);
}

.lightbox-next {
    right: var(--spacing-lg);
}

.lightbox-counter {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    z-index: 10;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .lightbox-nav {
        width: 44px;
        height: 44px;
        font-size: 0.9rem;
    }
    
    .lightbox-prev {
        left: var(--spacing-sm);
    }
    
    .lightbox-next {
        right: var(--spacing-sm);
    }
    
    .lightbox-close {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .lightbox img {
        max-width: 95vw;
        max-height: 85vh;
    }
}

/* --------------------------------------------------------------------------
   Blog Cards
   -------------------------------------------------------------------------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.blog-card:hover {
    border-color: var(--border-light);
    transform: translateY(-5px);
}

.blog-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-card-content {
    padding: var(--spacing-lg);
}

.blog-card-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.blog-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.blog-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.blog-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--accent);
}

/* --------------------------------------------------------------------------
   About Page
   -------------------------------------------------------------------------- */
.about-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    padding: var(--spacing-3xl) 0;
}

.about-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
}

.about-content h1 {
    margin-bottom: var(--spacing-lg);
}

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--accent);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .about-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

/* --------------------------------------------------------------------------
   Contact Page
   -------------------------------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info h2 {
    margin-bottom: var(--spacing-lg);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact-method:hover {
    border-color: var(--accent);
}

.contact-method-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-muted);
    border-radius: var(--radius-sm);
    color: var(--accent);
}

.contact-method-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.contact-method-value {
    font-size: 0.9375rem;
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    padding: var(--spacing-2xl);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: #0a0a0a;
    border: none;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
   Page Header
   -------------------------------------------------------------------------- */
.page-header {
    padding: calc(70px + var(--spacing-3xl)) 0 var(--spacing-2xl);
    text-align: center;
}

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Blog Post Detail
   -------------------------------------------------------------------------- */
.post-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: flex-end;
    padding-bottom: var(--spacing-3xl);
    margin-top: 70px;
}

.post-hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.post-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 100%);
}

.post-hero .container {
    position: relative;
    z-index: 1;
}

.post-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.post-hero h1 {
    color: #fff;
    font-size: clamp(2rem, 4vw, 3rem);
}

.post-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.post-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

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

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--accent);
    margin-bottom: var(--spacing-2xl);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    will-change: opacity, transform;
    backface-visibility: hidden; /* GPU acceleration */
    perspective: 1000px;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
    will-change: auto;
}

/* Portfolio filter animations - optimized for iOS */
.portfolio-item.show {
    animation: fadeInUp 0.3s ease forwards;
    will-change: opacity, transform;
}

.portfolio-item.hide {
    animation: fadeOutDown 0.3s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 20px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes fadeOutDown {
    from {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
    to {
        opacity: 0;
        transform: translate3d(0, 20px, 0);
    }
}

.hidden {
    display: none !important;
}

.lightbox.loading img {
    opacity: 0.5;
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mt-5 {
    margin-top: var(--spacing-xl);
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mb-5 {
    margin-bottom: var(--spacing-xl);
}

.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}

/* --------------------------------------------------------------------------
   References View (Portfolio)
   -------------------------------------------------------------------------- */
.references-view {
    display: none;
    flex-direction: column;
    gap: var(--spacing-3xl);
    animation: fadeIn 0.5s ease;
}

.brand-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.brand-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border);
}

.brand-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

.brand-photos-scroll {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    scrollbar-width: thin;
    scrollbar-color: var(--accent) var(--bg-card);
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.brand-photos-scroll::-webkit-scrollbar {
    height: 6px;
}

.brand-photos-scroll::-webkit-scrollbar-track {
    background: var(--bg-card);
}

.brand-photos-scroll::-webkit-scrollbar-thumb {
    background-color: var(--accent);
    border-radius: 3px;
}

.brand-photo-item {
    width: auto;
    min-width: 250px;
    /* Prevent collapse */
    height: 300px;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
    cursor: pointer;
    background: var(--bg-card);
    /* Add background for contained images */
    border: 1px solid var(--border);
    display: flex;
    /* Center the image */
    align-items: center;
    justify-content: center;
}

.brand-photo-item img {
    width: auto;
    height: 100%;
    object-fit: contain;
    /* Show full image */
    transition: transform var(--transition-base);
    filter: saturate(1) brightness(1);
    /* Always show in full color - no grayscale */
}

@media (max-width: 768px) {
    .brand-photo-item {
        height: 220px;
        min-width: 200px;
        /* Smaller min-width for mobile */
    }
}

.brand-photo-item:hover img {
    transform: scale(1.08);
    filter: brightness(1.1);
    /* Enhanced visibility on hover */
}

.brand-photo-item .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.brand-photo-item:hover .overlay {
    opacity: 0;
    pointer-events: none;
}