/* ===========================================================================
   batikARise portal: gaya bersama untuk index.html & galeri.html.

   Tema dark-first: kanvas cokelat-malam, permukaan kaca, aksen emas/kunyit.
   Palet batik (identitas budaya) dipertahankan, hanya dibalik kontrasnya.
   Dipakai bareng Tailwind CDN (lihat tailwind.config inline di tiap halaman).
   =========================================================================== */

:root {
    /* Design token palet batik (identitas budaya, jangan diganti) */
    --sogan: #4E342E;   /* cokelat sogan */
    --emas: #C09753;    /* emas batik: aksen, border, ikon */
    --kunyit: #D08700;  /* kuning kunyit/amber: CTA utama, glow */
    --malam: #1F1B16;   /* cokelat malam */
    --gading: #FAF6EF;  /* krem/putih gading: teks utama */

    /* Turunan tema gelap */
    --ink: #0E0C0A;             /* kanvas paling gelap */
    --ink-soft: #15120F;        /* kanvas section alternatif */
    --text: #F2EAE0;
    --muted: rgba(242, 234, 224, 0.62);
    --faint: rgba(242, 234, 224, 0.38);
    --surface: rgba(255, 255, 255, 0.04);
    --surface-hi: rgba(255, 255, 255, 0.07);
    --line: rgba(192, 151, 83, 0.18);
    --line-hi: rgba(192, 151, 83, 0.45);

    /* Alias lama agar markup existing tetap jalan */
    --batik-dark: #1F1B16;
    --batik-dark-brown: #4E342E;
    --batik-cream: #F5E6D3;
    --batik-gold: #C09753;
    --batik-gold-soft: rgba(192, 151, 83, 0.12);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 5.5rem;
}

body {
    -webkit-font-smoothing: antialiased;
    background: var(--ink);
    color: var(--text);
}

::selection {
    background: rgba(208, 135, 0, 0.35);
    color: #fff;
}

/* --------------------------------------------------------------------------
   Tipografi
   -------------------------------------------------------------------------- */
.display {
    font-family: '"Playfair Display"', 'Playfair Display', serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.04;
    /* Menggantikan <br> keras: panjang judul berbeda antar bahasa (EN/ID),
       jadi titik potongnya tidak bisa ditentukan di markup. */
    text-wrap: balance;
}

/* Penanda kata kunci di dalam paragraf (ISEN-ISEN, ELEMENTS, nama tombol).
   Dipakai dari kamus i18n lewat data-i18n-html, jadi nama class-nya sengaja
   pendek dan bebas Tailwind supaya kamus tidak ikut menyimpan utility class. */
.kw,
.kw-emas {
    font-style: normal;
    font-weight: 600;
}

.kw {
    color: var(--gading);
}

.kw-emas {
    color: var(--emas);
}

.link-emas {
    color: var(--emas);
}

.link-emas:hover {
    text-decoration: underline;
}

/* Gradien teks emas -> amber untuk kata kunci di judul */
.text-gradient-emas {
    background: linear-gradient(95deg, var(--emas), var(--kunyit) 60%, #f0b64a);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* Label mikro faktual (nomor langkah / penanda teknis) */
.meta-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--emas);
}

.lead {
    color: var(--muted);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Tekstur latar
   -------------------------------------------------------------------------- */

/* Pola batik halus (kawung) sebagai tekstur latar, SVG inline, ringan. */
.batik-pattern {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill='none' stroke='%23C09753' stroke-width='1.2'%3E%3Ccircle cx='15' cy='15' r='13'/%3E%3Ccircle cx='45' cy='15' r='13'/%3E%3Ccircle cx='15' cy='45' r='13'/%3E%3Ccircle cx='45' cy='45' r='13'/%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/svg%3E");
    background-size: 60px 60px;
    opacity: 0.06;
    pointer-events: none;
}

/* Grain halus, menambah kedalaman pada section gelap */
.grain::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.05;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Glow emas dekoratif */
.glow {
    position: absolute;
    border-radius: 9999px;
    filter: blur(90px);
    background: rgba(192, 151, 83, 0.16);
    pointer-events: none;
}

/* Garis pemisah tipis */
.hairline {
    height: 1px;
    border: 0;
    background: linear-gradient(90deg, transparent, var(--line-hi), transparent);
}

.gold-rule {
    height: 1px;
    border: 0;
    background: linear-gradient(90deg, transparent, var(--emas), transparent);
    opacity: 0.5;
}

/* --------------------------------------------------------------------------
   Permukaan kaca (kartu fitur, spesifikasi, dsb.)
   -------------------------------------------------------------------------- */
.surface {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 1.25rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: border-color 0.35s ease, background 0.35s ease, transform 0.35s ease;
}

.surface:hover {
    border-color: var(--line-hi);
    background: var(--surface-hi);
    transform: translateY(-4px);
}

/* Ikon kotak kecil di dalam kartu */
.icon-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.85rem;
    color: var(--kunyit);
    background: rgba(208, 135, 0, 0.12);
    border: 1px solid rgba(208, 135, 0, 0.28);
}

/* Pill fakta teknis (Android 8.0+, ARCore, dll.) */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem 0.85rem;
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--muted);
    background: var(--surface);
    border: 1px solid var(--line);
}

.pill svg {
    color: var(--emas);
}

/* --------------------------------------------------------------------------
   Tombol
   -------------------------------------------------------------------------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 1.75rem;
    border-radius: 0.9rem;
    font-weight: 700;
    color: var(--ink);
    background: linear-gradient(95deg, var(--emas), var(--kunyit));
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(208, 135, 0, 0.3);
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.55) 50%, transparent 70%);
    transform: translateX(-130%);
    z-index: -1;
}

.btn-primary:hover::after {
    animation: shimmer 0.9s ease;
}

@keyframes shimmer {
    to { transform: translateX(130%); }
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 1.75rem;
    border-radius: 0.9rem;
    font-weight: 600;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--line);
    transition: border-color 0.3s ease, background 0.3s ease;
}

.btn-ghost:hover {
    border-color: var(--line-hi);
    background: var(--surface-hi);
}

.btn-disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.btn-disabled:hover {
    transform: none;
    border-color: var(--line);
    background: var(--surface);
}

/* --------------------------------------------------------------------------
   Navbar
   -------------------------------------------------------------------------- */
.navbar-solid {
    background: rgba(14, 12, 10, 0.72);
    backdrop-filter: blur(16px) saturate(1.3);
    -webkit-backdrop-filter: blur(16px) saturate(1.3);
    border-bottom: 1px solid transparent;
    transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.navbar-solid.nav-scrolled {
    background: rgba(14, 12, 10, 0.9);
    border-bottom-color: var(--line);
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
}

.nav-link {
    position: relative;
    font-weight: 500;
    color: var(--muted);
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.is-active {
    color: var(--text);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -0.45rem;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--emas), var(--kunyit));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.is-active::after {
    width: 100%;
}

/* Pemilih bahasa: segmented control dua tombol. Statusnya dibaca dari
   aria-pressed supaya tampilan tidak bisa berbeda dari yang diumumkan
   screen reader. */
.lang-switch {
    display: inline-flex;
    padding: 0.15rem;
    border-radius: 9999px;
    background: var(--surface);
    border: 1px solid var(--line);
}

.lang-switch button {
    padding: 0.3rem 0.7rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--muted);
    transition: color 0.25s ease, background 0.25s ease;
}

.lang-switch button:hover {
    color: var(--text);
}

.lang-switch button[aria-pressed="true"] {
    color: var(--ink);
    background: linear-gradient(135deg, var(--emas), var(--kunyit));
}

/* Pengumuman pergantian bahasa: terbaca screen reader, tak terlihat di layar. */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

#mobile-menu {
    background: rgba(14, 12, 10, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--line);
    animation: slideDown 0.3s ease-out;
}

#mobile-menu a {
    transition: all 0.25s ease;
    padding: 0.75rem 1rem;
    border-radius: 0.6rem;
    color: var(--muted);
}

#mobile-menu a:hover {
    background: var(--surface-hi);
    color: var(--text);
    padding-left: 1.5rem;
}

/* Progress bar scroll (garis emas tipis di paling atas) */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0;
    z-index: 60;
    background: linear-gradient(90deg, var(--emas), var(--kunyit));
    box-shadow: 0 0 12px rgba(208, 135, 0, 0.6);
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   Animasi dasar
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* --------------------------------------------------------------------------
   Overlay viewfinder AR pada seluruh hero.
   Hero memakai gambar batikARise sebagai latar, jadi overlay ini membuat
   seluruh layar terbaca sebagai bidikan kamera AR yang sedang memindai.
   -------------------------------------------------------------------------- */
.hero-view {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

/* Bracket sudut, diletakkan di tepi hero (bukan di dalam mockup) */
.hero-frame {
    position: absolute;
    inset: 5.5rem 1.5rem 2.5rem;
}

.hero-frame::before,
.hero-frame::after,
.hero-frame > span::before,
.hero-frame > span::after {
    content: '';
    position: absolute;
    width: 2.75rem;
    height: 2.75rem;
    border: 2px solid var(--emas);
    opacity: 0.55;
    filter: drop-shadow(0 0 8px rgba(192, 151, 83, 0.5));
    animation: framePulse 4s ease-in-out infinite;
}

.hero-frame::before {
    top: 0; left: 0;
    border-right: 0; border-bottom: 0;
    border-radius: 0.75rem 0 0 0;
}

.hero-frame::after {
    top: 0; right: 0;
    border-left: 0; border-bottom: 0;
    border-radius: 0 0.75rem 0 0;
    animation-delay: 0.3s;
}

.hero-frame > span::before {
    bottom: 0; left: 0;
    border-right: 0; border-top: 0;
    border-radius: 0 0 0 0.75rem;
    animation-delay: 0.9s;
}

.hero-frame > span::after {
    bottom: 0; right: 0;
    border-left: 0; border-top: 0;
    border-radius: 0 0 0.75rem 0;
    animation-delay: 0.6s;
}

@keyframes framePulse {
    0%, 100% { opacity: 0.35; }
    50%      { opacity: 0.85; }
}

/* Garis pemindai menyapu seluruh tinggi hero, dengan pita cahaya di belakangnya */
.hero-scan {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 14rem;
    background: linear-gradient(to bottom,
        transparent,
        rgba(208, 135, 0, 0.05) 55%,
        rgba(208, 135, 0, 0.14) 92%,
        transparent);
    animation: heroSweep 7s linear infinite;
}

.hero-scan::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--kunyit) 20%, #ffd887 50%, var(--kunyit) 80%, transparent);
    box-shadow: 0 0 22px 5px rgba(208, 135, 0, 0.45);
}

@keyframes heroSweep {
    0%   { transform: translateY(-14rem); opacity: 0; }
    8%   { opacity: 1; }
    88%  { opacity: 1; }
    100% { transform: translateY(100vh); opacity: 0; }
}

/* Garis bidik tipis di tengah, memperkuat kesan kamera */
.hero-crosshair {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, var(--line) 1px, transparent 1px),
        linear-gradient(to bottom, var(--line) 1px, transparent 1px);
    background-size: 9rem 9rem;
    background-position: center;
    opacity: 0.5;
    mask-image: radial-gradient(ellipse 65% 55% at 50% 45%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 65% 55% at 50% 45%, #000 20%, transparent 75%);
}

/* --------------------------------------------------------------------------
   Marquee motif: ticker horizontal tanpa henti (hanya di landing)
   -------------------------------------------------------------------------- */
.marquee {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.marquee-track {
    display: flex;
    width: max-content;
    gap: 1rem;
    animation: marqueeSlide 50s linear infinite;
}

.marquee:hover .marquee-track {
    animation-play-state: paused;
}

@keyframes marqueeSlide {
    to { transform: translateX(-50%); }
}

.marquee-item {
    flex: 0 0 auto;
    width: 12rem;
    height: 8rem;
    border-radius: 0.9rem;
    overflow: hidden;
    border: 1px solid var(--line);
    transition: border-color 0.3s ease;
}

.marquee-item:hover {
    border-color: var(--line-hi);
}

.marquee-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.marquee-item:hover img {
    transform: scale(1.1);
}

/* --------------------------------------------------------------------------
   Alur langkah bernomor (Cara Pakai / Kustomisasi)
   -------------------------------------------------------------------------- */
.step-row {
    position: relative;
    display: grid;
    grid-template-columns: 3.25rem 1fr;
    gap: 1.25rem;
    padding-bottom: 2.25rem;
}

.step-row:last-child {
    padding-bottom: 0;
}

/* Garis penghubung vertikal antar langkah */
.step-row:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 1.6rem;
    top: 3.5rem;
    bottom: 0.25rem;
    width: 1px;
    background: linear-gradient(180deg, var(--line-hi), transparent);
}

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 1rem;
    font-weight: 700;
    font-size: 1rem;
    color: var(--kunyit);
    background: rgba(208, 135, 0, 0.1);
    border: 1px solid rgba(208, 135, 0, 0.3);
}

/* --------------------------------------------------------------------------
   Kartu galeri (dipakai index preview & galeri penuh)
   -------------------------------------------------------------------------- */
.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--ink-soft);
    border: 1px solid var(--line);
    transition: border-color 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}

.gallery-item:hover {
    transform: translateY(-6px);
    border-color: var(--line-hi);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5);
}

.gallery-item img {
    transition: transform 0.7s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* Spotlight mengikuti kursor, nilai --mx/--my diisi JS */
.gallery-item::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.35s ease;
    background: radial-gradient(16rem circle at var(--mx, 50%) var(--my, 50%),
            rgba(192, 151, 83, 0.28), transparent 62%);
}

.gallery-item:hover::before {
    opacity: 1;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    background: linear-gradient(to top, rgba(14, 12, 10, 0.95), transparent 62%);
    display: flex;
    align-items: flex-end;
    padding: 1rem 1.1rem;
}

.gallery-skeleton {
    height: 18rem;
    border-radius: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--line);
    animation: pulseDot 1.8s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   Lightbox
   -------------------------------------------------------------------------- */
.lightbox {
    display: none !important;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.lightbox.active {
    display: flex !important;
    animation: fadeIn 0.3s ease;
}

.lightbox img {
    animation: scaleIn 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

/* --------------------------------------------------------------------------
   Search bar (halaman galeri)
   -------------------------------------------------------------------------- */
.search-wrap {
    position: relative;
    max-width: 32rem;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: 0.9rem 1rem 0.9rem 3rem;
    border-radius: 9999px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--text);
    font-size: 1rem;
    transition: all 0.25s ease;
}

.search-input::placeholder {
    color: var(--faint);
}

.search-input:focus {
    outline: none;
    border-color: var(--line-hi);
    background: var(--surface-hi);
    box-shadow: 0 0 0 4px rgba(192, 151, 83, 0.12);
}

.search-icon {
    position: absolute;
    left: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--emas);
    pointer-events: none;
}

.search-clear {
    position: absolute;
    right: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 9999px;
    display: none;
    align-items: center;
    justify-content: center;
    color: var(--text);
    background: var(--surface-hi);
    border: 1px solid var(--line);
    cursor: pointer;
    transition: all 0.2s ease;
}

.search-clear:hover {
    border-color: var(--line-hi);
}

.search-clear.show {
    display: flex;
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.page-btn {
    min-width: 2.75rem;
    height: 2.75rem;
    padding: 0 1rem;
    border-radius: 9999px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--text);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    cursor: pointer;
    transition: all 0.25s ease;
}

.page-btn:hover:not(:disabled) {
    border-color: var(--line-hi);
    background: var(--surface-hi);
    transform: translateY(-2px);
}

.page-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.page-info {
    font-weight: 600;
    color: var(--muted);
}

/* Empty state (hasil pencarian kosong) */
.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--muted);
}

/* --------------------------------------------------------------------------
   Petunjuk scroll di dasar hero
   -------------------------------------------------------------------------- */
.scroll-cue {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--faint);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.scroll-cue:hover {
    color: var(--text);
}

.scroll-cue svg {
    animation: float 2.4s ease-in-out infinite;
    color: var(--emas);
}

/* --------------------------------------------------------------------------
   Strip "Didukung oleh": logo grayscale -> berwarna saat hover
   -------------------------------------------------------------------------- */
.support-logo {
    filter: grayscale(100%) brightness(1.6);
    opacity: 0.5;
    transition: all 0.35s ease;
}

.support-logo:hover {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
}

/* --------------------------------------------------------------------------
   Hormati prefers-reduced-motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }

    .marquee-track {
        animation: none;
        transform: none;
    }

    /* Sapuan pemindai murni dekoratif, aman dimatikan total */
    .hero-scan {
        display: none;
    }
}