/* =====================================================
   GLOBAL BASE
===================================================== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", sans-serif;
    scroll-behavior: smooth;
}

.font-serif {
    font-family: "Playfair Display", serif;
}

/* =====================================================
   BANNER SPACING
===================================================== */
.danau-banner {
    padding-top: 14rem;
    padding-left: 15rem;
    padding-bottom: 9rem;
}

@media (max-width: 1023px) {
    .danau-banner {
        padding-left: 1rem;
        padding-top: 9rem;
        padding-bottom: 5rem;
    }
}

/* =====================================================
   ANIMATION (KEYFRAMES)
===================================================== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animation utility */
.animate-fade-up {
    animation: fadeUp 1s ease-out forwards;
}

/* =====================================================
   ANIMATION DELAY (ANIMATION MODE)
===================================================== */
.delay-200 {
    animation-delay: 0.2s;
}
.delay-300 {
    animation-delay: 0.3s;
}
.delay-400 {
    animation-delay: 0.4s;
}
.delay-500 {
    animation-delay: 0.5s;
}
.delay-600 {
    animation-delay: 0.6s;
}

/* =====================================================
   SCROLL REVEAL (INTERSECTION OBSERVER)
===================================================== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.9s ease, transform 0.9s ease;
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Reveal delay (TRANSITION MODE) */
.reveal.delay-200 {
    transition-delay: 0.2s;
}
.reveal.delay-300 {
    transition-delay: 0.3s;
}
.reveal.delay-400 {
    transition-delay: 0.4s;
}
.reveal.delay-500 {
    transition-delay: 0.5s;
}
.reveal.delay-600 {
    transition-delay: 0.6s;
}

/* =====================================================
   HOVER EFFECT
===================================================== */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

/* =====================================================
   CUSTOM SCROLLBAR
===================================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #1e6f8c;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #195e77;
}

/* Desktop banner spacing */
.tentang-banner {
    padding-top: 14rem;
    padding-left: 15rem;
    padding-bottom: 9rem;
}

/* Mobile & tablet */
@media (max-width: 1023px) {
    .tentang-banner {
        padding-left: 1rem;
        padding-top: 9rem;
        padding-bottom: 5rem;
    }
}