:root {
    --bg-color: #050505;
    --text-color: #ffffff;
    --text-muted: #a0a0a0;
    --accent-color: #ffffff;
    --card-bg: #111111;
    --nav-bg: rgba(5, 5, 5, 0.85);
    --border-color: #333;
    --gradient-1: linear-gradient(135deg, #ffffff 0%, #888888 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
}

.light-mode {
    --bg-color: #ffffff;
    --text-color: #111111;
    --text-muted: #666666;
    --accent-color: #000000;
    --card-bg: #f5f5f5;
    --nav-bg: rgba(255, 255, 255, 0.85);
    --border-color: #e0e0e0;
    --gradient-1: linear-gradient(135deg, #000000 0%, #555555 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.text-gradient {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.logo-accent {
    font-weight: 300;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.2);
}

.light-mode .btn-primary:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    margin-left: 15px;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-color);
}

.light-mode .btn-secondary:hover {
    background: rgba(0, 0, 0, 0.05);
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
}

.light-mode .btn-icon:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.light-mode .navbar.scrolled {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.8;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    opacity: 1;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--text-color);
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, var(--bg-color) 70%);
    z-index: 1;
}

.hero-bg-img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
    z-index: 0;
}

.light-mode .hero-bg-img {
    opacity: 0.8;
    filter: invert(1) hue-rotate(180deg);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.stats-bar {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
}

.light-mode .stats-bar {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Gallery Section */
.gallery-section {
    padding: 100px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
    flex-wrap: wrap;
    gap: 20px;
}

.section-header h2 {
    font-size: 2.5rem;
}

.filter-tabs {
    display: flex;
    gap: 15px;
    background: rgba(255, 255, 255, 0.05);
    padding: 5px;
    border-radius: 50px;
}

.light-mode .filter-tabs {
    background: rgba(0, 0, 0, 0.05);
}

.tab {
    padding: 8px 20px;
    border-radius: 50px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.tab:hover {
    color: var(--text-color);
}

.tab.active {
    background: var(--text-color);
    color: var(--bg-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.gallery-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.gallery-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.img-wrapper {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    aspect-ratio: 9/16;
    margin-bottom: 15px;
    cursor: pointer;
}

.img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    opacity: 0;
    transition: var(--transition);
}

.img-wrapper:hover .overlay {
    opacity: 1;
}

.overlay .btn-icon {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    color: #fff;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.overlay .btn-icon:hover {
    background: #fff;
    color: #000;
}

.item-info h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.item-info span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: var(--card-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.feature-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-content p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.feature-list li {
    margin-bottom: 15px;
    display: flex;
    gap: 15px;
    align-items: center;
}

.feature-list i {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.1);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.8rem;
}

.light-mode .feature-list i {
    background: rgba(0, 0, 0, 0.1);
}

/* Phone Mockup */
.phone-mockup {
    width: 300px;
    height: 600px;
    background: #000;
    border-radius: 40px;
    border: 8px solid #333;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.light-mode .phone-mockup {
    border-color: #ddd;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.screen {
    width: 100%;
    height: 100%;
    position: relative;
    background: #222;
}

.screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.5s ease;
}

.live-indicator {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 0, 0, 0.7);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Footer */
footer {
    padding: 80px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

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

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: var(--text-color);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-color);
}

.footer-social a:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.modal-content {
    max-width: 90%;
    max-height: 80vh;
    border-radius: 5px;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
}

.modal-caption {
    margin-top: 20px;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 500;
}

.close-modal {
    position: absolute;
    top: 30px;
    right: 40px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.close-modal:hover {
    color: #bbb;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Responsive */
@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .feature-list {
        display: inline-block;
        text-align: left;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--card-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.3s ease;
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .mobile-menu-btn {
        display: block;
        z-index: 1001;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .stats-bar {
        flex-wrap: wrap;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .btn-secondary {
        margin-left: 0;
        margin-top: 15px;
    }
    
    .hero-btns {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}