/* ==========================================================================
   Parakanceuri — Interactive Layer
   Lapisan tambahan: animasi, lightbox, tombol mengambang, kalkulator, dsb.
   File ini dipakai bersama di seluruh halaman (index, alam, budaya, edukasi, paket).
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Util
   -------------------------------------------------------------------------- */
.hidden-el { display: none !important; }

/* --------------------------------------------------------------------------
   0.1 Sticky footer — footer selalu menempel di bawah, tidak ada spasi
        kosong lagi walau konten halaman pendek dari tinggi layar.
   -------------------------------------------------------------------------- */
html, body { height: 100%; }
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
body > footer {
    margin-top: auto;
}

/* --------------------------------------------------------------------------
   1. Progress bar scroll (garis tipis di atas layar)
   -------------------------------------------------------------------------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: 1200;
    pointer-events: none;
}
.scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
    box-shadow: 0 0 8px rgba(217, 164, 65, 0.6);
    transition: width 0.1s linear;
}

/* --------------------------------------------------------------------------
   2. Tombol Kembali ke Atas (dengan ring progress scroll)
   -------------------------------------------------------------------------- */
.floating-actions {
    position: fixed;
    right: 20px;
    bottom: 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    z-index: 950;
    transition: transform 0.15s linear;
    /* --footer-shift diset lewat JS: seberapa banyak footer sudah kelihatan,
       supaya kedua tombol otomatis naik dan tidak menutupi konten footer. */
    transform: translateY(calc(var(--footer-shift, 0px) * -1));
}

.back-to-top {
    position: relative;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--forest-900);
    border: none;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-card);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.7);
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}
.back-to-top:hover { background: var(--forest-700); }

.back-to-top-ring {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
    pointer-events: none;
}
.back-to-top-ring .ring-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.16);
    stroke-width: 2.5;
}
.back-to-top-ring .ring-progress {
    fill: none;
    stroke: var(--gold-500);
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-dasharray: 131.9;
    stroke-dashoffset: 131.9;
    transition: stroke-dashoffset 0.1s linear;
}
.back-to-top svg.icon-arrow {
    position: relative;
    width: 18px;
    height: 18px;
    color: var(--cream-100);
    z-index: 1;
}

/* --------------------------------------------------------------------------
   3. Tombol WhatsApp Mengambang
   -------------------------------------------------------------------------- */
.float-wa {
    position: relative;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 26px -10px rgba(37, 211, 102, 0.7);
    transition: transform 0.25s var(--ease);
}
.float-wa svg { width: 25px; height: 25px; }
.float-wa:hover { transform: scale(1.08); }
.float-wa::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #25D366;
    opacity: 0.55;
    animation: waPulse 2.4s ease-out infinite;
    z-index: -1;
}
@keyframes waPulse {
    0%   { transform: scale(1);   opacity: 0.55; }
    100% { transform: scale(1.9); opacity: 0; }
}

@media (max-width: 640px) {
    .floating-actions { right: 14px; bottom: 16px; gap: 12px; }
    .back-to-top, .float-wa { width: 46px; height: 46px; }
    .back-to-top svg.icon-arrow { width: 16px; height: 16px; }
    .float-wa svg { width: 22px; height: 22px; }
}

/* --------------------------------------------------------------------------
   4. Reveal on scroll — stagger otomatis (menambah dari base .reveal di css utama)
   -------------------------------------------------------------------------- */
.reveal { will-change: opacity, transform; }

/* --------------------------------------------------------------------------
   5. Hover zoom untuk gambar dalam kartu/galeri
   -------------------------------------------------------------------------- */
.card-media,
.card-img,
.destinasi-media,
.galeri-media {
    overflow: hidden;
}
.card-media img,
.card-img img,
.destinasi-media img,
.galeri-media img {
    transition: transform 0.7s var(--ease), filter 0.7s var(--ease);
}
.card-media:hover img,
.card-img:hover img,
.destinasi-media:hover img,
.galeri-media:hover img {
    transform: scale(1.08);
}

/* --------------------------------------------------------------------------
   6. Tilt 3D untuk kartu (dikontrol lewat JS: custom property + transform)
   -------------------------------------------------------------------------- */
.tilt-el {
    transform-style: preserve-3d;
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

/* --------------------------------------------------------------------------
   7. Efek ripple pada tombol
   -------------------------------------------------------------------------- */
.ripple-el {
    position: relative;
    overflow: hidden;
}
.ripple-span {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.55);
    transform: scale(0);
    animation: rippleAnim 0.6s ease-out;
    pointer-events: none;
}
@keyframes rippleAnim {
    to { transform: scale(2.6); opacity: 0; }
}

/* --------------------------------------------------------------------------
   8. Ikon budaya: micro-interaction saat hover
   -------------------------------------------------------------------------- */
.budaya-card .card-icon svg {
    transition: transform 0.4s var(--ease);
}
.budaya-card:hover .card-icon svg {
    transform: scale(1.18) rotate(-6deg);
}

/* --------------------------------------------------------------------------
   9. Animasi masuk untuk konten hero (berjalan otomatis saat halaman dibuka)
   -------------------------------------------------------------------------- */
.hero-content > .eyebrow,
.hero-content > h1,
.hero-content > p,
.hero-content > .btn {
    opacity: 0;
    transform: translateY(22px);
    animation: heroIn 0.9s var(--ease) forwards;
}
.hero-content > .eyebrow { animation-delay: 0.05s; }
.hero-content > h1       { animation-delay: 0.18s; }
.hero-content > p        { animation-delay: 0.34s; }
.hero-content > .btn     { animation-delay: 0.5s; }

@keyframes heroIn {
    to { opacity: 1; transform: translateY(0); }
}

/* Parallax halus untuk kontur gunung di hero (digerakkan via JS transform) */
.ridge--hero { will-change: transform; }

/* --------------------------------------------------------------------------
   10. Transisi keluar halaman (saat klik link internal antar halaman)
   -------------------------------------------------------------------------- */
body.page-fade-out {
    opacity: 0;
    transition: opacity 0.28s ease;
}

/* --------------------------------------------------------------------------
   11. Lightbox galeri foto
   -------------------------------------------------------------------------- */
img[loading="lazy"] {
    cursor: zoom-in;
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(19, 42, 32, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s;
    padding: 24px;
}
.lightbox.open {
    opacity: 1;
    visibility: visible;
}
.lightbox-img {
    max-width: min(90vw, 1100px);
    max-height: 78vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 30px 70px -20px rgba(0,0,0,0.6);
    transform: scale(0.96);
    transition: transform 0.3s var(--ease);
}
.lightbox.open .lightbox-img { transform: scale(1); }

.lightbox-caption {
    position: absolute;
    bottom: 26px;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--cream-100);
    font-family: var(--font-body);
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    padding: 0 60px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.18);
    color: var(--cream-100);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, transform 0.2s ease;
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255,255,255,0.2);
}
.lightbox-close {
    top: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    font-size: 1.4rem;
    line-height: 1;
}
.lightbox-prev,
.lightbox-next {
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 1.6rem;
}
.lightbox-prev:hover, .lightbox-next:hover { transform: translateY(-50%) scale(1.06); }
.lightbox-prev { left: 18px; }
.lightbox-next { right: 18px; }

@media (max-width: 640px) {
    .lightbox-prev, .lightbox-next { width: 40px; height: 40px; font-size: 1.3rem; }
    .lightbox-caption { font-size: 0.85rem; padding: 0 46px; }
}

/* --------------------------------------------------------------------------
   12. Kalkulator Estimasi Biaya (khusus paket.html)
   -------------------------------------------------------------------------- */
.kalkulator {
    max-width: 900px;
    margin: 0 auto 56px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(19, 42, 32, 0.08);
    overflow: hidden;
}
.kalkulator-head {
    padding: 32px 32px 8px;
}
.kalkulator-head h3 {
    font-family: var(--font-display);
    font-size: 1.7rem;
    color: var(--forest-900);
    margin: 6px 0 8px;
}
.kalkulator-head p {
    font-family: var(--font-body);
    color: rgba(38, 51, 44, 0.72);
    font-size: 0.96rem;
    max-width: 60ch;
}
.kalkulator-body {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 18px;
    padding: 12px 32px;
}
.kalkulator-field label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--forest-700);
    margin-bottom: 8px;
}
.kalkulator-field select,
.kalkulator-field input {
    width: 100%;
    padding: 13px 16px;
    border-radius: 10px;
    border: 1.5px solid rgba(19, 42, 32, 0.16);
    font-family: var(--font-body);
    font-size: 0.96rem;
    color: var(--ink);
    background: var(--cream-100);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.kalkulator-field select:focus,
.kalkulator-field input:focus {
    outline: none;
    border-color: var(--gold-500);
    box-shadow: 0 0 0 4px rgba(217, 164, 65, 0.18);
}
.kalkulator-result {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 20px 32px 0;
    padding: 22px 26px;
    background: var(--forest-900);
    border-radius: 14px;
}
.kalkulator-total {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.kalkulator-total span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold-300);
}
.kalkulator-total strong {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--white);
    font-variant-numeric: tabular-nums;
}
.kalkulator-warning {
    flex-basis: 100%;
    font-family: var(--font-body);
    font-size: 0.86rem;
    color: var(--gold-300);
    background: rgba(217, 164, 65, 0.12);
    border: 1px solid rgba(217, 164, 65, 0.35);
    padding: 10px 14px;
    border-radius: 10px;
}
.kalkulator-result .btn-booking {
    white-space: nowrap;
}
.kalkulator-note {
    padding: 4px 32px 26px;
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: rgba(38, 51, 44, 0.55);
}

@media (max-width: 720px) {
    .kalkulator-body { grid-template-columns: 1fr; }
    .kalkulator-result { flex-direction: column; align-items: flex-start; }
}

/* --------------------------------------------------------------------------
   13. Angka harga: siapkan agar count-up rapi (tidak "melompat" layout)
   -------------------------------------------------------------------------- */
.paket-price .amount { font-variant-numeric: tabular-nums; }

@media (prefers-reduced-motion: reduce) {
    .hero-content > .eyebrow,
    .hero-content > h1,
    .hero-content > p,
    .hero-content > .btn {
        opacity: 1;
        transform: none;
        animation: none;
    }
    .float-wa::before { animation: none; display: none; }
}