:root {
    --bs-primary: #2563eb;
    --bs-primary-hover: #1d4ed8;
    --bs-dark-bg: #0f172a;
    --bs-slate-gray: #64748b;
    --bs-border: #e2e8f0;
    --bs-body-color: #334155;
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--bs-body-color);
    background-color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}


.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--bs-border);
    transition: var(--transition-base);
}

.navbar-brand img {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.nav-link {
    font-weight: 500;
    color: #475569 !important;
    transition: color 0.2s ease;
}

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


.hero-section {
    background: linear-gradient(135deg, var(--bs-dark-bg) 0%, #1e3a8a 100%);
    color: white;
    padding: 100px 0;
    position: relative;
}

.hero-title {
    font-size: clamp(2.25rem, 4vw, 3.25rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #94a3b8;
    max-width: 540px;
}


.btn-primary-custom {
    background-color: var(--bs-primary);
    border: 1px solid var(--bs-primary);
    color: white;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 50rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

    .btn-primary-custom:hover {
        background-color: var(--bs-primary-hover);
        border-color: var(--bs-primary-hover);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
        color: white;
    }


.feature-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid var(--bs-border);
    transition: var(--transition-base);
    height: 100%;
    position: relative;
    z-index: 1;
}

    .feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border-radius: 16px;
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, transparent 100%);
        opacity: 0;
        transition: var(--transition-base);
        z-index: -1;
    }

    .feature-card:hover {
        transform: translateY(-6px);
        border-color: #cbd5e1;
        box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.07);
    }

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

.icon-box {
    width: 64px;
    height: 64px;
    background: rgba(37, 99, 235, 0.08);
    color: var(--bs-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    font-size: 24px;
    margin-bottom: 24px;
    transition: var(--transition-base);
}

.feature-card:hover .icon-box {
    background: var(--bs-primary);
    color: white;
    transform: scale(1.05);
}
.backdrop-blur {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.06);
}

footer {
    background-color: #f8fafc;
    border-top: 1px solid var(--bs-border);
    color: var(--bs-slate-gray);
    font-size: 0.9rem;
}


@media (max-width: 991.98px) {
    .hero-section {
        padding: 60px 0;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
}