/* CSS Variables & Theme */
:root {
    --bg-color-main: #141b24; /* Deep premium navy/black */
    --bg-color-alt: #1e2836;
    --accent-color: #5ea8d3;
    --text-primary: #ffffff;
    --text-secondary: #c2cde0;
    --glass-bg: rgba(30, 40, 54, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background: linear-gradient(135deg, var(--bg-color-main) 0%, #0a0d14 100%);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}
a:hover {
    color: #fff;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 1rem;
}

p {
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Header & Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand .logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 400;
    font-size: 1rem;
    position: relative;
    padding-bottom: 5px;
}

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

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

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-color-alt);
    list-style: none;
    min-width: 200px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 0.5rem 0;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-speed) ease;
}

.dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu .nav-link {
    display: block;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
}
.dropdown-menu .nav-link::after {
    display: none;
}
.dropdown-menu .nav-link:hover {
    background: rgba(255,255,255,0.05);
    color: var(--accent-color);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 1100;
}

.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #fff;
    border-radius: 3px;
    transition: all 0.3s ease-in-out;
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Main Content Area */
#app-content {
    flex-grow: 1;
    margin-top: 80px; /* Offset for fixed navbar */
    padding: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.view-section {
    display: none;
    animation: fadeIn 0.5s ease;
}
.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero Section / Home */
.hero {
    text-align: center;
    padding: 4rem 1rem;
    background: var(--glass-bg);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    margin-bottom: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.hero img.hero-logo {
    max-width: 100%;
    height: auto;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: -webkit-linear-gradient(45deg, #fff, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 2rem;
}

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

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    border: 2px solid var(--glass-border);
    transition: transform 0.4s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(20, 27, 36, 0.8);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.gallery-overlay h3 {
    color: #fff;
    margin: 0;
    font-size: 1.5rem;
    transform: translateY(20px);
    transition: transform 0.4s ease;
    text-align: center;
    padding: 0 1rem;
}

.gallery-item:hover .gallery-overlay h3 {
    transform: translateY(0);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

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

/* Footer */
.footer {
    background: var(--bg-color-alt);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    margin-top: auto;
}

.footer p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}
.footer .giveback {
    color: var(--accent-color);
    font-style: italic;
}

/* Responsive Styles */
@media (max-width: 900px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        right: -100%;
        top: 0;
        flex-direction: column;
        background: var(--bg-color-main);
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: 0.3s;
        box-shadow: -10px 0 20px rgba(0,0,0,0.5);
        padding-top: 80px;
        z-index: 1050;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .dropdown-menu {
        position: static;
        display: none;
        box-shadow: none;
        background: transparent;
        border: none;
        border-top: 1px solid rgba(255,255,255,0.1);
        margin-top: 1rem;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
        animation: fadeIn 0.3s ease;
    }
}

/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 13, 20, 0.95);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
    border: 2px solid var(--glass-border);
    border-radius: 4px;
    transform: scale(0.95);
    transition: transform 0.3s ease;
    cursor: default;
}

.lightbox.active img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #fff;
    font-size: 3rem;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 2010;
}

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