:root {
    --primary: #00f2ea;
    --secondary: #1877f2;
    --bg: #0d1117;
    --card-bg: #161b22;
    --text: #ffffff;
    --text-muted: #8b949e;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background-color: rgba(13, 17, 23, 0.95);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #30363d;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
}

.lang-selector select {
    background-color: var(--card-bg);
    color: var(--text);
    border: 1px solid #30363d;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 10%;
    gap: 40px;
    background: radial-gradient(circle at top right, rgba(24, 119, 242, 0.15), transparent 40%);
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #fff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.btn-cta {
    display: inline-block;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    padding: 15px 35px;
    border-radius: 30px;
    text-decoration: none;
    color: #000;
    font-weight: 800;
    transition: transform 0.2s;
}

.btn-cta:hover {
    transform: scale(1.05);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(0, 242, 234, 0.2);
}

/* Features */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid #30363d;
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

/* API Section */
.api-section {
    background-color: #1a1f26;
    border-radius: 20px;
    padding: 50px;
    margin-top: 60px;
}

.api-section h2 {
    color: var(--primary);
    margin-top: 0;
}

.steps {
    margin-top: 30px;
}

.step {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
    background-color: var(--card-bg);
    padding: 15px;
    border-radius: 10px;
}

.step-num {
    background-color: var(--primary);
    color: #000;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step p {
    margin: 0;
}

a {
    color: var(--primary);
}

footer {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid #30363d;
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column-reverse;
        padding: 40px 20px;
        text-align: center;
    }

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