:root {
    --primary: #2563eb;
    --secondary: #7c3aed;
    --accent: #06b6d4;
    --dark: #0f172a;
    --light: #f8fafc;
    --card: #ffffff;
}

body {
    background: linear-gradient(to bottom, #f8fafc, #eef4ff);
    font-family: 'Segoe UI', sans-serif;
    color: var(--dark);
    overflow-x: hidden;
}

.navbar {
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(10px);
    padding: 14px 0;
}

.navbar-brand {
    color: white !important;
    font-weight: 800;
    letter-spacing: 2px;
    font-size: 1.5rem;
}

.nav-link {
    color: rgba(255,255,255,0.8) !important;
    font-weight: 500;
    transition: 0.3s ease;
}

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

.hero {
    background:
    radial-gradient(circle at top right, rgba(6,182,212,0.25), transparent 30%),
    radial-gradient(circle at bottom left, rgba(124,58,237,0.25), transparent 30%),
    linear-gradient(135deg, #0f172a, #111827);
    color: white;
    padding: 140px 0 120px;
    position: relative;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
}

.hero .gradient-text {
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    max-width: 720px;
    margin: auto;
    font-size: 1.2rem;
    opacity: 0.9;
}

.btn-primary-custom {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border: none;
    color: white;
    padding: 14px 34px;
    border-radius: 14px;
    font-weight: 700;
    transition: 0.3s ease;
    box-shadow: 0 10px 25px rgba(37,99,235,0.25);
}

.btn-primary-custom:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 35px rgba(124,58,237,0.3);
}

.section-title {
    font-weight: 800;
    font-size: 2.5rem;
    color: var(--dark);
}

.service-card {
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 28px;
    padding: 35px;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: 0.35s ease;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 18px 40px rgba(37,99,235,0.15);
}

.badge-custom {
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    color: white;
    border-radius: 999px;
    padding: 8px 18px;
    display: inline-block;
    margin-bottom: 16px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.feature-box {
    background: linear-gradient(135deg, white, #f5f7ff);
    border-radius: 28px;
    padding: 40px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
    border: 1px solid rgba(37,99,235,0.1);
}

.list-group-item {
    border: none;
    padding: 14px 0;
    background: transparent;
}

.footer {
    background: #0f172a;
    color: rgba(255,255,255,0.8);
    padding: 40px 0;
}

.footer strong {
    color: white;
}

html {
    scroll-behavior: smooth;
}