:root {
    --primary: #10b981;
    --primary-glow: rgba(16, 185, 129, 0.5);
    --secondary: #84cc16;
    --accent: #14b8a6;
    --bg-dark: #020617;
    --bg-card: rgba(16, 185, 129, 0.05);
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --glass: rgba(16, 185, 129, 0.03);
    --glass-border: rgba(16, 185, 129, 0.2);
}

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Gradients */
.bg-blob {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
    border-radius: 50%;
}

.blob-1 {
    top: -10%;
    left: -10%;
}

.blob-2 {
    bottom: -10%;
    right: -10%;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 10%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    transition: 0.3s;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--text-main);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 10%;
    padding-top: 80px;
    background: radial-gradient(circle at 70% 30%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
}

.hero-content {
    flex: 1;
    max-width: 500px;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero-content h1 span {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: 2.5rem;
}

.hero-image {
    flex: 1.4;
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-image img {
    max-width: 90%;
    border-radius: 2rem;
    box-shadow: 0 50px 100px -20px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-30px);
    }
}

/* Buttons */
.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: 0.4s;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 20px -10px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px -10px var(--primary-glow);
}

/* Features Section */
.features {
    padding: 100px 10%;
}

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

.section-title h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.feature-card {
    background: var(--glass);
    padding: 2.5rem;
    border-radius: 2rem;
    border: 1px solid var(--glass-border);
    transition: 0.4s;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-10px);
    border-color: var(--primary);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--primary);
}

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

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

/* Tech Stack */
.tech-stack {
    padding: 80px 10%;
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.tag {
    padding: 0.5rem 1.5rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.5rem;
    background: var(--glass);
    padding: 0.3rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-dim);
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    transition: 0.3s;
}

.lang-btn:hover {
    color: var(--text-main);
}

.lang-btn.active {
    background: var(--primary);
    color: white;
}

/* Video & Poster */
.video-wrapper {
    width: 100%;
    max-width: 900px;
    aspect-ratio: 16/9;
    position: relative;
    cursor: pointer;
    border-radius: 2rem;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: 0 40px 80px -20px rgba(0,0,0,0.6);
}

.video-poster {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    transition: 0.5s;
}

.video-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-btn-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: 0 0 30px var(--primary-glow);
    transition: 0.3s;
}

.video-wrapper:hover .play-btn-overlay {
    transform: translate(-50%, -50%) scale(1.1);
    background: var(--secondary);
}

.video-container {
    width: 100%;
    height: 100%;
    background: black;
    display: block;
}

.video-wrapper .video-container {
    display: none;
}

.video-wrapper.playing .video-container {
    display: block;
}

/* Footer */
footer {
    padding: 4rem 10%;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-dim);
}

/* Responsive */
@media (max-width: 968px) {
    nav {
        padding: 1rem 5%;
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
        height: auto;
    }

    .logo {
        width: 100%;
        text-align: center;
        font-size: 1.1rem;
        margin-bottom: 0.2rem;
    }

    .lang-switcher {
        order: 1;
        transform: scale(0.9);
    }

    nav .btn-primary {
        order: 2;
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
    .hero {
        flex-direction: column;
        text-align: center;
        height: auto;
        padding: 120px 5% 40px;
    }

    .hero-content {
        max-width: 100%;
        margin-bottom: 2rem;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-image {
        width: 100%;
        margin-top: 0;
    }

    .nav-links {
        display: none;
    }
}
@media (max-width: 480px) {
    .logo {
        font-size: 1rem;
    }
    nav .btn-primary span {
        display: none;
    }
    nav .btn-primary i {
        margin-right: 0;
    }
    .hero-content h1 {
        font-size: 1.6rem;
    }
    .hero-content p {
        font-size: 0.85rem;
    }
}