/* Reset CSS & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: #020617; /* Slate 950 */
    color: #ffffff;
    overflow-x: hidden;
}

/* Navbar Style */
.navbar {
    width: 100%;
    border-bottom: 1px solid #1e293b; /* Slate 800 */
    position: sticky;
    top: 0;
    background-color: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.05em;
    text-decoration: none;
    color: #ffffff;
    background: linear-gradient(to right, #22d3ee, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links a {
    color: #cbd5e1; /* Slate 300 */
    text-decoration: none;
    margin: 0 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #22d3ee; /* Cyan 400 */
}

.btn-nav {
    background-color: #22d3ee;
    color: #020617;
    border: none;
    padding: 0.6rem 1.25rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.btn-nav:hover {
    background-color: #67e8f9;
    box-shadow: 0 10px 15px -3px rgba(34, 211, 238, 0.2);
}

/* Hero Section Style */
.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
}

.hero-container {
    max-width: 800px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #22d3ee;
    background-color: rgba(34, 211, 238, 0.1);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    border: 1px solid rgba(34, 211, 238, 0.2);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    background: linear-gradient(to bottom, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .nav-links {
        display: none; /* លាក់ Menu លើទូរស័ព្ទដៃ */
    }
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #94a3b8; /* Slate 400 */
    line-height: 1.6;
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
}

/* Button Component */
.btn {
    display: inline-block;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(to right, #22d3ee, #2563eb);
    color: #ffffff;
    box-shadow: 0 10px 20px -5px rgba(34, 211, 238, 0.15);
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    background-color: #0f172a; /* Slate 900 */
    color: #cbd5e1;
    border: 1px solid #1e293b;
}

.btn-secondary:hover {
    background-color: #1e293b;
    color: #ffffff;
}