:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --accent: #3b82f6;
    --accent-light: #60a5fa;
    --dark: #0f172a;
    --darker: #020617;
    --card-bg: rgba(15, 23, 42, 0.7);
    --glass: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s ease;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --text-light: #e2e8f0;
    --text-gray: #94a3b8;
    --neon-blue: #00f3ff;
    --neon-purple: #d400ff;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 20%);
    z-index: -1;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.8rem 5%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

.logo:hover img {
    transform: rotate(15deg);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.05rem;
    position: relative;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-light);
}

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

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

.download-btn {
    background: var(--primary);
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid var(--primary);
}

.download-btn:hover {
    background: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 5%;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 650px;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--text-light) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-gray);
    max-width: 600px;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.cta-primary {
    background: var(--primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    box-shadow: var(--shadow);
}

.cta-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

.cta-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    border: 2px solid rgba(255, 255, 255, 0.15);
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.hero-image {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    max-width: 700px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1;
    opacity: 0.95;
    perspective: 1000px;
}

.hero-image .card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.hero-image:hover .card-inner {
    transform: rotateY(180deg);
}

.hero-image .card-front, 
.hero-image .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.hero-image .card-back {
    background: var(--darker);
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
}

.hero-image .card-back h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--accent-light);
}

.hero-image .card-back p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.section {
    padding: 6rem 5%;
}

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

.section-title p {
    color: var(--text-gray);
    max-width: 600px;
    margin: 1rem auto 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--accent);
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-gray);
}

.performance-section {
    background: rgba(15, 23, 42, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.performance-content {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.performance-info {
    flex: 1;
    min-width: 300px;
}

.performance-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.improvements-list {
    list-style: none;
    margin-top: 1.5rem;
}

.improvements-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.improvements-list li:last-child {
    border-bottom: none;
}

.improvements-list i {
    color: var(--accent);
    font-size: 1.2rem;
}

.performance-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
}

.performance-image .flip-card {
    width: 100%;
    height: 350px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 1s;
}

.performance-image:hover .flip-card {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.flip-card-front {
    background: linear-gradient(45deg, var(--darker), var(--dark));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
}

.flip-card-back {
    background: var(--dark);
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.flip-card-back h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-light);
}

.flip-card-back ul {
    list-style: none;
    padding: 0;
}

.flip-card-back li {
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.flip-card-back i {
    color: var(--accent);
}

.download-container {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 16px;
    padding: 4rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.download-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
    z-index: 1;
}

.download-content {
    position: relative;
    z-index: 2;
}

.download-container h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download-container p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.download-steps {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.step {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 1.5rem;
    min-width: 200px;
    text-align: center;
    backdrop-filter: blur(5px);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: white;
    color: var(--primary);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.promotion {
    background: linear-gradient(rgba(2, 6, 23, 0.9), rgba(2, 6, 23, 0.9)), 
                 url('https://i.postimg.cc/zvd1bqZx/1111111.jpg');
    background-size: cover;
    background-position: center;
    padding: 6rem 5%;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.promotion-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.promotion-cards {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 3rem;
}

.promo-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2.5rem;
    width: 350px;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform-style: preserve-3d;
    transform: perspective(1000px);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.promo-card:hover {
    transform: perspective(1000px) rotateY(10deg) rotateX(10deg) translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.promo-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
    z-index: -1;
    border-radius: 18px;
    animation: borderAnimation 3s linear infinite;
}

.promo-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.promo-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.promo-card p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.promo-stats {
    display: flex;
    justify-content: space-around;
    width: 100%;
    margin-top: 1.5rem;
}

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

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.cube-container {
    width: 200px;
    height: 200px;
    margin: 3rem auto;
    perspective: 800px;
}

.cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotateCube 15s infinite linear;
}

.cube-face {
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(37, 99, 235, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-light);
    backdrop-filter: blur(5px);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.2);
}

.cube-face img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cube-face:nth-child(1) { transform: translateZ(100px); }
.cube-face:nth-child(2) { transform: rotateY(180deg) translateZ(100px); }
.cube-face:nth-child(3) { transform: rotateY(90deg) translateZ(100px); }
.cube-face:nth-child(4) { transform: rotateY(-90deg) translateZ(100px); }
.cube-face:nth-child(5) { transform: rotateX(90deg) translateZ(100px); }
.cube-face:nth-child(6) { transform: rotateX(-90deg) translateZ(100px); }

footer {
    background: var(--darker);
    padding: 4rem 5% 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-about p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--accent-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-gray);
    font-size: 0.9rem;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

.delay-3 {
    transition-delay: 0.6s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.floating {
    animation: float 4s ease-in-out infinite;
}

@keyframes rotateCube {
    0% { transform: rotateX(0) rotateY(0) rotateZ(0); }
    100% { transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg); }
}

@keyframes borderAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }
    .hero-image {
        width: 50%;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 5%;
    }
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        background: var(--dark);
        flex-direction: column;
        width: 80%;
        height: calc(100vh - 70px);
        padding: 2rem;
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
    }
    .nav-links.active {
        right: 0;
    }
    .mobile-toggle {
        display: block;
    }
    .hero {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding-top: 5rem;
    }
    .hero-content {
        margin-top: 2rem;
    }
    .cta-buttons {
        justify-content: center;
    }
    .hero-image {
        position: relative;
        top: auto;
        right: auto;
        transform: none;
        width: 100%;
        max-width: 500px;
        margin: 2rem auto 0;
    }
    .performance-content {
        flex-direction: column;
        gap: 2rem;
    }
    .download-container {
        padding: 3rem 2rem;
    }
    .promotion-cards {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .cta-buttons {
        flex-direction: column;
    }
    .feature-card {
        padding: 2rem;
    }
    .section {
        padding: 4rem 5%;
    }
    .promo-card {
        width: 100%;
        min-height: 350px;
    }
}