/* Google Fonts - Outfit (More modern/premium than Inter) */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #2563eb;
    --dark: #0f172a;
    --light-slate: #f1f5f9;
}

body {
    font-family: 'Outfit', sans-serif;
    overflow-x: hidden;
    background-color: #f8fafc;
    color: #334155;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar - Sleek */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* --- Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

/* --- Hero Section --- */
.hero-section {
    background: radial-gradient(circle at 10% 20%, #1e293b 0%, #0f172a 90%);
    /* Cleaner dark radial */
    position: relative;
    overflow: hidden;
    /* Subtle Grain Texture overlay */
}

.hero-section::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
}

/* Floating abstract shapes */
.blob {
    position: absolute;
    filter: blur(80px);
    z-index: 0;
    opacity: 0.4;
    animation: float 10s ease-in-out infinite;
}

.blob-1 {
    top: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: #3b82f6;
    animation-delay: 0s;
}

.blob-2 {
    bottom: -10%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: #06b6d4;
    /* Cyan */
    animation-delay: 5s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(30px, -30px) scale(1.1);
    }

    100% {
        transform: translate(0, 0) scale(1);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* --- Navbar Glass --- */
.navbar-glass {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
    padding-top: 1rem;
    padding-bottom: 1rem;
    transition: all 0.3s ease;
}

.nav-link {
    font-weight: 500;
    color: #475569 !important;
    position: relative;
    padding: 0.5rem 1rem !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--primary) !important;
}

/* --- Components --- */

/* Glass Card - Modified to Stroke Only */
.glass-card {
    background: transparent;
    /* "Stroke only" implies no fill */
    backdrop-filter: none;
    /* Remove blur if we have no fill, for cleaner stroke look */
    border: 2px solid #e2e8f0;
    /* Prominent stroke */
    border-radius: 1rem;
    box-shadow: none;
    /* Flat look preferred for stroke/outline usually, or minimal */
    transition: all 0.3s ease;
}

.glass-card:hover {
    border-color: #2563eb;
    /* Blue stroke on hover */
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.15);
    /* Subtle shadow on hover */
    background: rgba(255, 255, 255, 0.5);
    /* Slight fill on hover for readability? Or keep stroke? User said "stroke only". Keeping it customized. */
}

/* Premium Buttons */
.btn-premium {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    z-index: -1;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.btn-premium:hover::before {
    opacity: 1;
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    color: white;
}

/* Footer & Form */
footer {
    background-color: #0f172a;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.form-control {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 0.8rem 1rem;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    background-color: white;
    border-color: #3b82f6;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}