/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 420px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(11, 94, 215, 0.92) 0%, rgba(0, 36, 84, 0.9) 100%);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(184, 180, 252, 0.3), transparent 28%),
                radial-gradient(circle at bottom right, rgba(255, 167, 38, 0.18), transparent 24%);
    opacity: 0.75;
    pointer-events: none;
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11, 94, 215, 0.45) 0%, rgba(0, 36, 84, 0.65) 100%);
    z-index: 1;
}

.hero-content {
    max-width: 760px;
    padding: 2rem 1rem;
    text-align: center;
    color: white;
    position: relative;
    z-index: 2;
}

.hero-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.18);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.125rem;
    opacity: 0.95;
    margin-bottom: 1.75rem;
    line-height: 1.8;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero.hero-kindergarten {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
}

.hero.hero-kindergarten .hero-overlay {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.45) 0%, rgba(219, 39, 119, 0.65) 100%);
}

.hero.hero-physics {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(79, 70, 229, 0.2) 100%);
}

.hero.hero-physics .hero-overlay {
    background: rgba(0, 0, 0, 0.5);
}

/* RESPONSIVE */
@media (max-width: 480px) {
    .hero { height: auto; min-height: 320px; padding: 3rem 0; }
    .hero-title { font-size: 1.75rem; line-height: 1.15; }
    .hero-subtitle { font-size: 0.95rem; margin-bottom: 1.25rem; }
    .hero-tag { font-size: 10px; padding: 0.375rem 0.75rem; }
    .hero-buttons { gap: 0.75rem; }
    .btn-primary, .btn-secondary { padding: 0.75rem 1.25rem; font-size: 0.875rem; }
}

@media (min-width: 768px) {
    .hero {
        height: 500px;
    }

    .hero-content {
        padding: 3rem 2rem;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-md);
    }
}

@media (min-width: 1024px) {
    .hero {
        height: 600px;
    }

    .hero-title {
        font-size: var(--font-size-5xl);
    }

    .hero-buttons {
        justify-content: center;
    }
}