:root {
    --navy: #071A3A;
    --electric: #1976F3;
}

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

.nav-link {
    color: #334155;
    font-size: 0.875rem;
    font-weight: 700;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--electric);
}

.mobile-nav-link {
    color: var(--navy);
    font-size: 0.95rem;
    font-weight: 700;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, #1976F3, #4AA8FF);
    padding: 0.75rem 1.15rem;
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 800;
    box-shadow: 0 10px 25px rgba(25, 118, 243, 0.25);
    transition: all 0.25s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(25, 118, 243, 0.35);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1.5px solid #cbd5e1;
    border-radius: 0.75rem;
    padding: 0.72rem 1.15rem;
    color: var(--navy);
    font-size: 0.875rem;
    font-weight: 800;
    transition: all 0.25s ease;
}

.btn-outline:hover {
    border-color: var(--electric);
    color: var(--electric);
    background: #f5faff;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 999px;
    background: #eaf4ff;
    padding: 0.45rem 0.8rem;
    color: #1976F3;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-title {
    margin-top: 1rem;
    font-family: "Manrope", sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    color: #071A3A;
}

.footer-link {
    color: #94a3b8;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: #ffffff;
}

.glass-card {
    border: 1px solid rgba(255, 255, 255, 0.65);
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(14px);
}

.course-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(7, 26, 58, 0.13);
}

.fade-up {
    animation: fadeUp 0.75s ease both;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(22px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-grid {
    background-image:
        linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
    background-size: 38px 38px;
}

.input-field {
    width: 100%;
    border: 1px solid #dbe4ef;
    border-radius: 0.75rem;
    padding: 0.85rem 1rem;
    color: #0f172a;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-field:focus {
    border-color: #1976F3;
    box-shadow: 0 0 0 4px rgba(25, 118, 243, 0.12);
}

.faq-answer {
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}