@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
    --bg-dark: #0a0a0c;
    --bg-card: rgba(30, 30, 35, 0.6);
    --bg-card-hover: rgba(40, 40, 50, 0.8);
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --accent: #8b5cf6;
    --accent-glow: rgba(139, 92, 246, 0.5);
    --text-main: #f8fafc;
    --text-muted: white;
    --gradient-main: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-hover: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 40%);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -0.02em;
}

/* Navbar */
.navbar {
    background: rgba(10, 10, 12, 0.8) !important;
    backdrop-filter: blur(12px);
    border-bottom: var(--glass-border);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main) !important;
    text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: var(--gradient-main);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Navbar Toggler (Mobile) */
.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.1);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
}

.navbar-collapse {
    background: rgba(10, 10, 12, 0.95); /* Mobile background */
}

@media (min-width: 992px) {
    .navbar-collapse {
        background: transparent;
    }
}


/* Buttons */
.btn-primary {
    background: var(--gradient-main);
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
    background: var(--gradient-hover);
}

.btn-outline-light {
    border: var(--glass-border);
    backdrop-filter: blur(4px);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Cards */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.glass-card:hover::before {
    opacity: 1;
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

/* Hero Section */
.hero-section {
    padding: 8rem 0 6rem;
    position: relative;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem; /* Smaller font on mobile */
    }

    .hero-section {
        padding: 4rem 0 3rem; /* Less padding on mobile */
    }

    .glass-card {
        margin-bottom: 1rem;
    }
    
    .navbar-collapse {
        padding: 1rem;
        border-radius: 0 0 1rem 1rem;
        border-bottom: var(--glass-border);
    }
    
    .nav-item {
        margin-bottom: 0.5rem;
    }
    
    /* Ensure buttons stack nicely on very small screens */
    .hero-section .d-flex {
        flex-direction: column;
        gap: 1rem;
        padding: 0 2rem;
    }
    
    .hero-section .btn {
        width: 100%;
    }
}