:root {
    --bg-dark: #050112;
    --primary-blue: #5d5dff;
    --primary-purple: #a855f7;
    --text-main: #ffffff;
    --text-dim: #b0b0b0;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary-gradient: linear-gradient(90deg, #a855f7, #5d5dff); /* Purple to Blue */
    --glass-border: rgba(255, 255, 255, 0.2);
    --hover-glow: 0 0 20px rgba(93, 93, 255, 0.4);
} 


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

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(93, 93, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(168, 85, 247, 0.15) 0%, transparent 40%);
    color: var(--text-main);
    line-height: 1.6;
}

/* STICKY HEADER */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8%;
    height: 80px;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(5, 1, 18, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    margin: 0 15px;
    font-size: 14px;
    transition: 0.3s;
}

.nav-links a:hover { color: white; }

/* HERO SECTION */
.hero {
    padding: 120px 8% 60px;
    display: flex;
    justify-content: flex-start;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin: 20px 0;
}

.hero h1 span {
    background: linear-gradient(90deg, #5de0ff, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
button {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 50px; 
    padding: 12px 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* THE GRADIENT BUTTON (Get Started) */
.btn-primary {
    background: var(--primary-gradient);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--hover-glow);
    filter: brightness(1.1);
}

/* THE GLASS BUTTON (Watch Demo) */
.btn-secondary {
    background: rgba(255, 255, 255, 0.05); 
    color: white;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.hero-btns {
    display: flex;
    gap: 15px; 
    margin-top: 30px;
}


/* FEATURES GRID */
.features {
    padding: 80px 8%;
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px; 
    margin-top: 50px;
}

.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 20px;
    text-align: left;
    transition: 0.3s;
}

/* FOOTER */
.main-footer {
    display: flex;
    justify-content: space-between;
    padding: 80px 8%;
    background: rgba(0,0,0,0.3);
    border-top: 1px solid var(--glass-border);
}

.social-icons { display: flex; gap: 12px; margin-top: 15px; }

.icon-circle {
    width: 35px; height: 35px;
    background: #1a1a3a;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #b0b0b0; text-decoration: none;
    transition: 0.3s;
}

/* RESPONSIVE MEDIA QUERIES */
@media (max-width: 768px) {
    .main-header { flex-direction: column; height: auto; padding: 20px; }
    .nav-links { margin: 15px 0; display: flex; flex-wrap: wrap; justify-content: center; }
    .hero h1 { font-size: 2.5rem; }
    .main-footer { flex-direction: column; gap: 40px; text-align: center; }
    .social-icons { justify-content: center; }
}


/* Mobile Responsiveness */
@media (max-width: 768px) {
    /* Header / Nav */
    header {
        flex-direction: column;
        gap: 15px;
        padding: 20px 5%;
    }

    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .nav-links a {
        margin: 5px;
        font-size: 13px;
    }

    .nav-btn {
        display: none; /* Hide the extra button on mobile header to save space */
    }

    /* Hero Section */
    .hero {
        padding: 60px 5%;
        text-align: center;
        justify-content: center;
    }

    .hero h1 {
        font-size: 2.5rem; /* Shrink text for mobile */
    }

    .hero p {
        margin: 20px auto;
        font-size: 0.95rem;
    }

    .hero-btns {
        display: flex;
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .btn-secondary {
        margin-left: 0;
        width: 100%;
        max-width: 250px;
    }

    .btn-primary {
        width: 100%;
        max-width: 250px;
    }

    /* Features Section */
    .features h2 {
        font-size: 2rem;
    }

    .feature-grid {
        grid-template-columns: 1fr; /* Stack cards vertically */
        padding: 0 10px;
    }

    .card {
        padding: 30px;
    }

    /* Footer */
    footer {
        flex-direction: column;
        text-align: center;
        align-items: center;
        gap: 40px;
        padding: 40px 5%;
    }

    .footer-right, .footer-center, .footer-left {
        width: 100%;
    }
}
/* Extra Small Devices (Phones) */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .nav-links {
        display: none; 
    }
}