:root {
    --primary: #94a3b8;
    /* Slate 400 - Muted blue-gray */
    --primary-dark: #64748b;
    /* Slate 500 */
    --secondary: #475569;
    /* Slate 600 */
    --accent: #334155;
    /* Slate 700 */
    --bg-dark: #0f172a;
    /* Keep dark background */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

#vanta-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #1e293b 0%, #0f172a 100%);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.btn-premium {
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.5);
    filter: brightness(1.1);
}

.input-premium {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 14px 16px;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s;
    outline: none;
}

.input-premium:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

.label-premium {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeIn 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

/* Responsiveness Improvements */
@media (max-width: 768px) {
    .glass-card {
        padding: 30px 20px !important;
        border-radius: 16px;
    }

    .btn-premium {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
    }

    h1 {
        font-size: 1.75rem !important;
    }

    .login-box {
        padding: 20px !important;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 15px !important;
    }

    .logo-main {
        max-width: 80% !important;
    }

    .login-title {
        font-size: 1.5rem !important;
    }
}