/* 
  TAG Projects Media Portal - Gilded Blue, Green & White Theme
  Vanilla CSS, High-Fidelity Responsive Design
*/

/* -------------------------------------------------------------
   0. CSS CUSTOM PROPERTIES & THEMES (WHITE BASE, NAVY & GREEN HINTS)
------------------------------------------------------------- */
:root[data-theme="light"] {
    --bg-base: #ffffff;         /* Pristine White Background */
    --bg-surface: #f4f7f6;      /* Off-White with subtle Green-Sage tint */
    --bg-surface-elevated: #e9eff1; /* Soft Blue-Gray tint */
    --bg-glass: rgba(255, 255, 255, 0.85);
    
    --text-primary: #001741;    /* Deep Midnight Navy (Hint of Blue) */
    --text-secondary: #3b506c;  /* Muted Navy-Gray (Hint of Blue) */
    --text-muted: #647b93;
    
    --border-color: rgba(0, 118, 114, 0.08); /* Hint of Green in borders */
    --border-color-hover: rgba(0, 118, 114, 0.18);
    
    --shadow-sm: 0 4px 15px rgba(0, 23, 65, 0.04);
    --shadow-md: 0 10px 30px rgba(0, 23, 65, 0.07);
    --shadow-lg: 0 20px 50px rgba(0, 23, 65, 0.1);
    --shadow-glow: 0 0 25px rgba(0, 118, 114, 0.12); /* Subtle Green glow */
    
    --scrollbar-track: #ffffff;
    --scrollbar-thumb: #e2eaf0;
    --scrollbar-thumb-hover: #007672;
}

:root[data-theme="dark"] {
    --bg-base: #040914;         /* Deep Navy Slate Black (Hint of Blue) */
    --bg-surface: #0a1424;      /* Midnight Blue (Hint of Blue) */
    --bg-surface-elevated: #112239;
    --bg-glass: rgba(4, 9, 20, 0.85);
    
    --text-primary: #ffffff;    /* Pristine White (Hint of White) */
    --text-secondary: #94a3b8;  /* Soft slate light */
    --text-muted: #64748b;
    
    --border-color: rgba(0, 118, 114, 0.15); /* Hint of Green in borders */
    --border-color-hover: rgba(0, 118, 114, 0.25);
    
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 25px rgba(0, 118, 114, 0.2);
    
    --scrollbar-track: #040914;
    --scrollbar-thumb: #0a1424;
    --scrollbar-thumb-hover: #007672;
}

:root {
    /* Brand Colors - Santorini Scraped & TAG Brand Teal */
    --primary: #001741;        /* Deep Midnight Navy (Blue hint) */
    --secondary: #002f67;      /* Aegean Blue (Blue hint) */
    
    --accent: #007672;         /* TAG Projects Teal Green (Green hint) */
    --accent-hover: #005a57;   /* Darker Teal Green */
    --accent-rgb: 0, 118, 114;
    
    --accent-gold: #c29b68;    /* Gilded Gold (Secondary accent) */
    
    --danger: #ef4444;
    --success: #10b981;
    
    /* Layout Constants */
    --navbar-height: 80px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    
    /* Typography - Santorini Font Rules */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
    
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* -------------------------------------------------------------
   1. RESET & BASE ELEMENTS
------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
    transition: background-color var(--transition), color var(--transition);
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
}

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

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 5px;
    border: 2px solid var(--scrollbar-track);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* Utilities */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.text-gold {
    color: var(--accent); /* Now maps to Brand Teal Green */
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--accent); /* Brand Teal Green */
    color: #ffffff !important;
    font-weight: 600;
    padding: 0.9rem 2.2rem;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(var(--accent-rgb), 0.3);
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(var(--accent-rgb), 0.4), var(--shadow-glow);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    font-weight: 600;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-secondary:hover {
    border-color: var(--accent);
    background: rgba(var(--accent-rgb), 0.04);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.pre-title {
    display: inline-block;
    color: var(--accent);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

/* -------------------------------------------------------------
   2. NAVBAR & HEADER AREA
------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 999;
    display: flex;
    align-items: center;
    transition: background-color var(--transition), border-color var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 3px;
    display: block;
    line-height: 1;
    color: var(--accent);
    margin-top: -2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width var(--transition);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.action-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition);
}

.action-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 15px rgba(var(--accent-rgb), 0.25);
}

.btn-cta {
    background: var(--accent);
    color: #ffffff !important;
    padding: 0.7rem 1.6rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.25);
    transition: var(--transition);
}

.btn-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(var(--accent-rgb), 0.4);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
}

/* -------------------------------------------------------------
   3. MOBILE NAVIGATION DRAWER
------------------------------------------------------------- */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100%;
    background-color: var(--bg-surface);
    border-left: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    transition: right var(--transition);
}

.mobile-drawer.active {
    right: 0;
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.drawer-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
}

.close-drawer {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.drawer-links {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.drawer-link {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.drawer-link:hover {
    color: var(--accent);
    padding-left: 5px;
}

.drawer-footer {
    margin-top: auto;
}

.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 23, 65, 0.4);
    backdrop-filter: blur(5px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.drawer-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* -------------------------------------------------------------
   4. HERO SLIDESHOW SECTION
------------------------------------------------------------- */
.hero {
    position: relative;
    height: 80vh;
    min-height: 550px;
    width: 100%;
    margin-top: var(--navbar-height);
    overflow: hidden;
}

.hero-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
    display: flex;
    align-items: center;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.95) 30%, rgba(255, 255, 255, 0.6) 60%, rgba(255, 255, 255, 0.25) 100%);
}

:root[data-theme="dark"] .hero-overlay {
    background: linear-gradient(to right, rgba(0, 23, 65, 0.9) 30%, rgba(0, 23, 65, 0.45) 60%, rgba(0, 23, 65, 0.15) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    padding: 0 4rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s 0.3s, transform 0.8s 0.3s;
}

.hero-slide.active .hero-content {
    opacity: 1;
    transform: translateY(0);
}

.hero-project-badge {
    display: inline-block;
    background-color: var(--accent);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    padding: 0.4rem 1.2rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Slide Controls */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(0, 23, 65, 0.1);
    color: var(--text-primary);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition);
}

:root[data-theme="dark"] .slider-arrow {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.slider-arrow:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 0 15px rgba(var(--accent-rgb), 0.4);
}

.slider-arrow.prev { left: 2rem; }
.slider-arrow.next { right: 2rem; }

.slider-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(0, 23, 65, 0.15);
    transition: var(--transition);
}

:root[data-theme="dark"] .slider-dot {
    background-color: rgba(255, 255, 255, 0.35);
}

.slider-dot.active {
    width: 32px;
    border-radius: 6px;
    background-color: var(--accent);
    box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.5);
}

/* -------------------------------------------------------------
   5. PAGE TITLE & OVERVIEW SECTION
------------------------------------------------------------- */
.page-title-section {
    padding: 5rem 0 2rem 0;
    text-align: center;
}

.page-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* About TAG Projects */
.about-section {
    padding: 6rem 0;
    border-bottom: 1px solid var(--border-color);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: flex-start;
}

.about-info-col {
    display: flex;
    flex-direction: column;
}

.about-p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-top: 1.5rem;
    line-height: 1.8;
}

.about-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.75rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.stat-num {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.about-philosophy-col {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.philosophy-box {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.philosophy-box:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.phil-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.phil-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.phil-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Projects Overview Section */
.projects-section {
    padding: 6rem 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.project-card {
    background-color: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.project-image-wrap {
    height: 280px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.project-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-card-img {
    transform: scale(1.08);
}

.project-card-badge {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: rgba(0, 23, 65, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #ffffff;
    padding: 0.45rem 1.1rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-card-badge.status-ongoing {
    background-color: rgba(var(--accent-rgb), 0.1);
    color: var(--accent);
    border-color: rgba(var(--accent-rgb), 0.25);
}

.project-card-badge.status-ready {
    background-color: rgba(16, 185, 129, 0.12);
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.25);
}

.project-card-info {
    padding: 2.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-logo-wrap {
    height: 50px;
    margin-bottom: 1.5rem;
}

.project-logo {
    height: 100%;
    width: auto;
    object-fit: contain;
}

:root[data-theme="light"] .project-logo {
    filter: drop-shadow(0px 2px 4px rgba(0, 23, 65, 0.06));
}

.project-card-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.project-card-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-features {
    list-style: none;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.project-features li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.project-features li i {
    color: var(--accent);
}

.btn-card-filter {
    background-color: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    transition: var(--transition);
    width: 100%;
    text-align: center;
}

.btn-card-filter:hover {
    background-color: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.25);
}

/* -------------------------------------------------------------
   6. MEDIA GALLERY & FILTER SYSTEM
------------------------------------------------------------- */
.gallery-section {
    padding: 6rem 0;
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition), border-color var(--transition);
}

.gallery-filters {
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition), border-color var(--transition);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.filter-label {
    font-weight: 700;
    color: var(--text-primary);
    min-width: 90px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.btn-filter {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 1.4rem;
    border-radius: 30px;
    font-weight: 550;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.btn-filter.active {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
    box-shadow: 0 4px 10px rgba(var(--accent-rgb), 0.25);
}

/* Search bar design */
.search-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    gap: 2rem;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex-grow: 1;
    max-width: 600px;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
}

#gallery-search-input {
    width: 100%;
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    padding: 0.9rem 3.5rem 0.9rem 3.2rem;
    border-radius: 30px;
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition);
}

#gallery-search-input:focus {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}

.clear-search {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    display: none;
}

.clear-search.active {
    display: block;
}

.clear-search:hover {
    color: var(--accent);
}

.gallery-info {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    grid-gap: 2rem;
}

.gallery-item {
    background-color: var(--bg-base);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    position: relative;
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.gallery-item.hidden {
    display: none !important;
}

.gallery-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.gallery-media-wrap {
    position: relative;
    overflow: hidden;
    padding-top: 60%; /* Aspect Ratio 5:3 */
}

.gallery-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover .gallery-img {
    transform: scale(1.06);
}

.gallery-overlay-icon {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(var(--accent-rgb), 0.3);
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition);
    z-index: 2;
}

.gallery-overlay-icon i {
    color: #ffffff;
    font-size: 2.2rem;
    background: rgba(0, 23, 65, 0.7);
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform: scale(0.8);
    transition: transform var(--transition);
}

.gallery-item:hover .gallery-overlay-icon {
    opacity: 1;
}

.gallery-item:hover .gallery-overlay-icon i {
    transform: scale(1);
}

.gallery-tag-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 3;
    background: var(--secondary); /* Aegean Blue */
    color: #ffffff;
    padding: 0.35rem 0.85rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-sm);
}

.gallery-tag-badge.badge-iris {
    background-color: #6c2b5e; /* Deep purple matching Iris branding */
}

.gallery-details {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.gallery-item-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.gallery-item-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.gallery-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
}

/* Empty State */
.gallery-empty-state {
    text-align: center;
    padding: 5rem 0;
    display: none;
}

.gallery-empty-state.active {
    display: block;
}

.empty-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.empty-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* -------------------------------------------------------------
   7. BLUEPRINT / LAYOUT EXPLORER
------------------------------------------------------------- */
.layout-explorer-section {
    padding: 6rem 0;
}

.explorer-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: flex;
    min-height: 650px;
    transition: background-color var(--transition), border-color var(--transition);
}

.explorer-sidebar {
    width: 320px;
    background-color: var(--bg-base);
    border-right: 1px solid var(--border-color);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    flex-shrink: 0;
    transition: background-color var(--transition), border-color var(--transition);
}

.explorer-group-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 700;
}

.explorer-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.explorer-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-weight: 550;
    transition: all var(--transition);
    text-align: left;
    border: 1px solid transparent;
}

.explorer-selector:hover {
    color: var(--accent);
    background-color: var(--bg-surface-elevated);
}

.explorer-selector.active {
    color: #ffffff;
    background-color: var(--accent);
    box-shadow: 0 8px 20px rgba(var(--accent-rgb), 0.3);
}

.explorer-selector i {
    font-size: 1.1rem;
}

/* Viewport Canvas */
.explorer-viewport {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background-color: #f0f4f7; /* Very light slate canvas */
    position: relative;
    overflow: hidden;
}

:root[data-theme="dark"] .explorer-viewport {
    background-color: #000918;
}

.viewport-controls {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 23, 65, 0.08);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    z-index: 5;
}

:root[data-theme="dark"] .viewport-controls {
    background: rgba(0, 23, 65, 0.85);
    border-color: rgba(255, 255, 255, 0.1);
}

.zoom-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: background-color var(--transition);
}

:root[data-theme="dark"] .zoom-btn {
    color: #ffffff;
}

.zoom-btn:hover {
    background-color: rgba(0, 23, 65, 0.05);
}

:root[data-theme="dark"] .zoom-btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.zoom-indicator {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.85rem;
    min-width: 45px;
    text-align: center;
    margin-left: 0.5rem;
}

:root[data-theme="dark"] .zoom-indicator {
    color: #ffffff;
}

.viewport-canvas {
    flex-grow: 1;
    width: 100%;
    position: relative;
    overflow: hidden;
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
}

.viewport-canvas:active {
    cursor: grabbing;
}

.explorer-img {
    max-height: 85%;
    max-width: 85%;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
    transform-origin: center center;
    transition: transform 0.1s ease-out;
}

.viewport-info {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    padding: 2rem 2.5rem;
    z-index: 5;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    transition: background-color var(--transition);
}

:root[data-theme="dark"] .viewport-info {
    background: rgba(0, 23, 65, 0.95);
    border-top-color: rgba(255, 255, 255, 0.1);
}

.viewport-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

:root[data-theme="dark"] .viewport-title {
    color: #ffffff;
}

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

:root[data-theme="dark"] .viewport-desc {
    color: rgba(255, 255, 255, 0.65);
}

/* -------------------------------------------------------------
   8. BROCHURE & DOWNLOADER SECTION
------------------------------------------------------------- */
.brochure-section {
    padding: 6rem 0;
}

.brochure-box {
    background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-surface-elevated) 100%);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 4rem;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.brochure-box::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(var(--accent-rgb), 0.12) 0%, transparent 70%);
    top: -150px;
    left: -150px;
    pointer-events: none;
}

.brochure-title {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.brochure-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.kit-contents {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.kit-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.kit-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(var(--accent-rgb), 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.kit-item-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.kit-item-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Request Form */
.brochure-form-container {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    position: relative;
    min-height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: background-color var(--transition), border-color var(--transition);
}

.form-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.form-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.input-label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.input-wrap {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.form-input {
    width: 100%;
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    padding: 0.85rem 1.25rem 0.85rem 3.2rem;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition);
}

select.form-input {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

/* Custom Select Arrow */
.form-group .input-wrap::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.form-group:has(select) .input-wrap::after {
    display: block;
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}

.error-msg {
    color: var(--danger);
    font-size: 0.8rem;
    display: none;
    margin-top: 0.25rem;
}

.form-group.error .form-input {
    border-color: var(--danger);
}

.form-group.error .error-msg {
    display: block;
}

.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background-color: var(--accent);
    color: #ffffff;
    font-weight: 700;
    padding: 1rem;
    width: 100%;
    border-radius: var(--border-radius-sm);
    margin-top: 1rem;
    box-shadow: 0 8px 20px rgba(var(--accent-rgb), 0.25);
    transition: var(--transition);
}

.btn-submit:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(var(--accent-rgb), 0.35), var(--shadow-glow);
}

/* Success Card */
.form-success-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transform: scale(0.95);
    transition: opacity var(--transition), transform var(--transition);
}

.form-success-card.active {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
}

.success-icon-wrap {
    width: 80px;
    height: 80px;
    margin-bottom: 2rem;
}

/* Checkmark Animation */
.checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: var(--success);
    stroke-miterlimit: 10;
    box-shadow: inset 0px 0px 0px var(--success);
    animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s both;
}

.checkmark-circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: var(--success);
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    stroke-width: 3;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.6s forwards;
}

@keyframes stroke {
    100% { stroke-dashoffset: 0; }
}

@keyframes scale {
    0%, 100% { transform: none; }
    50% { transform: scale3d(1.1, 1.1, 1); }
}

@keyframes fill {
    100% { box-shadow: inset 0px 0px 0px 40px rgba(16, 185, 129, 0.1); }
}

.success-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--success);
}

.success-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.success-sub {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 2.5rem;
}

/* -------------------------------------------------------------
   9. IMMERSIVE LIGHTBOX MODAL
------------------------------------------------------------- */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

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

.lightbox-close-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 23, 65, 0.55);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

:root[data-theme="dark"] .lightbox-close-overlay {
    background-color: rgba(0, 23, 65, 0.95);
}

.lightbox-wrapper {
    position: relative;
    z-index: 2;
    width: 92%;
    height: 90%;
    display: flex;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition);
}

.lightbox-modal.active .lightbox-wrapper {
    transform: scale(1);
}

/* Stage - Media view */
.lightbox-main {
    background-color: #000c24;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
}

.lightbox-stage {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    overflow: hidden;
}

.lightbox-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    user-select: none;
}

/* Lightbox Controls */
.lightbox-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition);
}

.lightbox-arrow:hover {
    background-color: var(--accent);
    border-color: var(--accent);
}

.lightbox-arrow.prev { left: 1.5rem; }
.lightbox-arrow.next { right: 1.5rem; }

/* Sidebar info panel */
.lightbox-sidebar {
    width: 380px;
    background-color: var(--bg-surface);
    border-left: 1px solid var(--border-color);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: relative;
}

.lightbox-close-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: color var(--transition);
}

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

.lightbox-content-box {
    margin-top: 2rem;
    flex-grow: 1;
}

.lightbox-badge {
    display: inline-block;
    background-color: #6c2b5e;
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 0.35rem 0.85rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.lightbox-badge.category {
    background-color: var(--accent);
}

.lightbox-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.25;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

.lightbox-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 3rem;
}

.lightbox-metadata {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.meta-item {
    display: flex;
    justify-content: space-between;
}

.meta-label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.meta-val {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.lightbox-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    margin-top: auto;
}

/* -------------------------------------------------------------
   10. FOOTER AREA
------------------------------------------------------------- */
.main-footer {
    background-color: #001741;  /* Deep Navy footer */
    border-top: 1px solid var(--border-color);
    color: rgba(255, 255, 255, 0.7);
    padding: 6rem 0 3rem 0;
    transition: border-color var(--transition);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.8fr 0.8fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-brand .logo {
    font-size: 1.8rem;
}

.brand-pitch {
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-grid h4 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 3px;
}

.footer-contact p {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-contact i {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    font-size: 0.85rem;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-socials a:hover {
    background-color: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* -------------------------------------------------------------
   11. RESPONSIVENESS MEDIA QUERIES
------------------------------------------------------------- */
@media (max-width: 1200px) {
    .projects-grid {
        gap: 2rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .brochure-box {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 992px) {
    .navbar {
        height: 70px;
    }
    
    :root {
        --navbar-height: 70px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .btn-cta#nav-download-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .page-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .explorer-card {
        flex-direction: column;
        min-height: auto;
    }
    
    .explorer-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 2rem;
    }
    
    .viewport-canvas {
        min-height: 400px;
    }
    
    .viewport-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .lightbox-wrapper {
        flex-direction: column;
        width: 96%;
        height: 96%;
    }
    
    .lightbox-sidebar {
        width: 100%;
        height: auto;
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding: 2rem;
    }
    
    .lightbox-close-btn {
        top: -10px;
        right: 1.5rem;
        z-index: 12;
        background: var(--bg-surface);
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-color);
    }
    
    .lightbox-content-box {
        margin-top: 0;
    }
    
    .lightbox-desc {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }
    
    .hero-content {
        padding: 0 2rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-desc {
        font-size: 1rem;
    }
    
    .slider-arrow {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .slider-arrow.prev { left: 1rem; }
    .slider-arrow.next { right: 1rem; }
    
    .page-title {
        font-size: 2.2rem;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .brochure-box {
        padding: 2rem 1.5rem;
    }
    
    .brochure-title {
        font-size: 2.2rem;
    }
    
    .brochure-form-container {
        padding: 2rem 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .hero-buttons .btn-primary, .hero-buttons .btn-secondary {
        width: 100%;
        text-align: center;
    }
    
    .gallery-filters {
        padding: 1.25rem;
    }
    
    .viewport-controls {
        top: 1rem;
        right: 1rem;
        padding: 0.4rem 0.8rem;
    }
}