/* ==== GERAL CONFIG. ==== */
:root {
    --bg-main: #050816;
    --bg-soft: #0b1120;
    --bg-panel: rgba(12, 18, 35, 0.88);

    --text-main: #f8fafc;
    --text-soft: #94a3b8;

    --accent: #3b82f6;
    --accent-strong: #60a5fa;
    --accent-soft: rgba(59, 130, 246, 0.12);

    --border-soft: rgba(255, 255, 255, 0.08);
    --shadow-soft: 0 12px 40px rgba(0, 0, 0, 0.28);
}

body {
    color: white;
    background:
        radial-gradient(
            circle at top left,
            rgba(59, 130, 246, 0.10),
            transparent 30%
        ),

        radial-gradient(
            circle at right center,
            rgba(96, 165, 250, 0.06),
            transparent 28%
        ),

        linear-gradient(
            to bottom,
            #0b1120 0%,
            #070b16 45%,
            #030712 100%
        );
}


/* ==== HEADER ==== */
.modern-header {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* ==== BRAND ICON ==== */
.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0d6efd, #6f42c1);
    color: white;
    font-weight: bold;
}

/* ==== LINKS <a> ==== */

.navbar {
    transition: all 0.3s ease;
}

.navbar .nav-link {
    font-size: 0.9rem;
    position: relative;
    font-weight: 500;
    transition: 0.3s ease;
}

.navbar .nav-link:hover {
    color: #ffffff;
    transform: translateY(-1px);
}

.navbar .nav-link::after {
    content: "";
    position: absolute;
    left: 8px;
    bottom: 4px;
    width: 0;
    height: 2px;
    background: #0d6efd;
    transition: width 0.3s ease;
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
    width: calc(100% - 16px);
}

.navbar .nav-link.active {
    color: #fff;
    font-weight: 600;
}

/* ==== CTA HEADER ==== */
.btn-modern {
    border-radius: 10px;
    padding: 10px 22px;
    font-weight: 600;
    transition: 0.3s ease;
}

.btn-modern:hover {
    transform: translateY(-2px);
}

/* ==== MENU MOBILE ==== */
@media (max-width: 991.98px) {
    .navbar-collapse {
        margin-top: 16px;
        padding: 16px;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.04);
    }
}