/* ============================================
   MUSES — Global Styles
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

/* ── Themed scrollbar (Gold / Dark) ── */
::-webkit-scrollbar {
    width: 9px;
}

::-webkit-scrollbar-track {
    background: linear-gradient(180deg, #07050a 0%, #12100c 45%, #1a1510 55%, #07050a 100%);
    border-left: 1px solid rgba(232, 201, 122, 0.08);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold) 45%, #c4a050 100%);
    border-radius: 100px;
    border: 2px solid #0a0806;
    box-shadow: 0 0 12px rgba(232, 201, 122, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #fff8e0 0%, var(--gold-light) 40%, var(--gold) 100%);
    box-shadow: 0 0 18px rgba(232, 201, 122, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

::-webkit-scrollbar-thumb:active {
    background: linear-gradient(180deg, var(--gold), #a88640);
}

::-webkit-scrollbar-corner {
    background: #07050a;
}

:root {
    --gold: #e8c97a;
    --gold-light: #f5e4a8;
    --cream: #fdf6e3;
    --font: 'Outfit', 'Segoe UI', system-ui, sans-serif;
}

html,
body {
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    font-family: 'Segoe UI', system-ui, sans-serif;
    overflow: hidden;
    /* locked until scroll_mode */
    overscroll-behavior: none;
    -webkit-tap-highlight-color: transparent;
}

/* ── Unlocked Scroll State ── */
html.scrollable {
    overflow-x: hidden;
    overflow-y: auto;
    height: auto;
}

html.scrollable body {
    overflow: visible;
    height: auto;
}

/* ── Canvas ── */
canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: block;
    z-index: 2;
    /* 3D Canvas sits ON TOP of intro UI (Parallax) */
    pointer-events: all;
}

/* ── Scroll driver (revealed after intro) ── */
#scroll-container {
    height: 1500vh;
    pointer-events: none;
    display: none;
    position: relative;
    z-index: 1;
}

/* ── Loading overlay ── */
#loading {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    background: #0e0c0a;
    /* Plain dark bg — separate from hero */
    z-index: 100;
    pointer-events: none;
    transition: opacity 0.7s ease;
}

#loading-label {
    font-family: 'Outfit', 'Segoe UI', system-ui, sans-serif;
    font-size: clamp(0.65rem, 1.8vw, 0.8rem);
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: rgba(232, 201, 122, 0.55);
}

#loading-text {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    color: #fff;
    letter-spacing: 0.05em;
}

#loading-pct {
    font-family: 'Outfit', 'Segoe UI', system-ui, sans-serif;
    font-size: clamp(0.85rem, 2vw, 1rem);
    color: rgba(255, 255, 255, 0.35);
    letter-spacing: 0.15em;
}

#loading-bar-track {
    width: min(280px, 55vw);
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
}

#loading-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--gold);
    border-radius: 999px;
    transition: width 0.3s ease;
}

/* hero-bg starts invisible — revealed after loading */
.hero-bg {
    opacity: 0;
    transition: opacity 1.2s ease;
}

.hero-bg.visible {
    opacity: 1;
}

/* ── White flash transition ── */
#white-flash {
    position: fixed;
    inset: 0;
    background: #ffffff;
    opacity: 0;
    pointer-events: none;
    z-index: 50;
    transition: opacity 0.35s ease-in-out;
}

/* ── Scroll mode hint (appears bottom-center on mobile) ── */
#scroll-hint {
    position: fixed;
    bottom: clamp(20px, 5vh, 36px);
    left: 0;
    right: 0;
    text-align: center;
    color: #000000;
    /* Black color as requested */
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: clamp(0.75rem, 2vw, 0.9rem);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-shadow: 0 2px 6px rgba(255, 255, 255, 0.9);
    /* White shadow to ensure visibility over dark backgrounds */
    pointer-events: none;
    z-index: 10;
    opacity: 0;
    transition: opacity 1s ease;
    animation: scrollBounce 2s ease-in-out infinite;
}

#scroll-hint.show {
    opacity: 1;
}

@keyframes scrollBounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

/* ── Pinterest Masonry Background ── */
.hero-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: #f5f2ed;
    overflow: hidden;
    transition: opacity 0.9s ease;
    pointer-events: none;
}

/* 3-column masonry using CSS columns, slightly tilted */
.hero-grid {
    position: absolute;
    inset: -8% -5%;
    /* a tiny tilt makes it feel editorial/alive */
    transform: rotate(-3deg) scale(1.08);
    column-count: 4;
    column-gap: 10px;
    padding: 10px;
}

.hero-grid-item {
    display: block;
    width: 100%;
    margin-bottom: 10px;
    border-radius: 10px;
    object-fit: cover;
    /* subtle drop shadow for depth */
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.10);
    break-inside: avoid;
    /* every image gently bobs at a different speed */
    animation: masonFloat 12s ease-in-out infinite alternate;
}

.hero-grid-item:nth-child(2n) {
    animation-duration: 17s;
    animation-direction: alternate-reverse;
}

.hero-grid-item:nth-child(3n) {
    animation-duration: 21s;
}

.hero-grid-item:nth-child(4n) {
    animation-duration: 14s;
    animation-direction: alternate-reverse;
}

.hero-grid-item:nth-child(5n) {
    animation-duration: 25s;
}

@keyframes masonFloat {
    0% {
        transform: translateY(0px);
    }

    100% {
        transform: translateY(-18px);
    }
}

/* Overlay removed to let the images be seen fully */
.hero-bg-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

@media (max-width: 1024px) {
    .hero-grid {
        column-count: 3;
    }
}

@media (max-width: 768px) {
    .hero-grid {
        column-count: 2;
        column-gap: 8px;
        padding: 8px;
        transform: rotate(-2.5deg) scale(1.06);
    }

    .hero-grid-item {
        margin-bottom: 8px;
        border-radius: 8px;
    }

    .hero-bg-overlay {
        background: none;
    }
}

/* ── Hero UI (Starting Camera) ── */
.hero-ui {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: flex-end;
    /* Bottom for mobile */
    justify-content: flex-start;
    /* Left for mobile */
    padding: 0 6vw 8vh;
    z-index: 1;
    /* Below the 3D Canvas! */
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.8s ease;
}

/* PC View: Centered but pushed slightly up so the 3D model doesn't cover it too much */
@media (min-width: 769px) {
    .hero-ui {
        align-items: center;
        justify-content: center;
        text-align: center;
        padding-bottom: 25vh;
        /* Pushes text higher */
    }

    .hero-content {
        align-items: center;
    }
}

.hero-ui.show {
    opacity: 1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    /* Elegant museum serif font */
    font-size: clamp(6rem, 20vw, 15rem);
    font-weight: 900;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    line-height: 0.88;
    /* Bright color with a stroke */
    background: linear-gradient(160deg, #ffffff 0%, #fdf6e3 40%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    -webkit-text-stroke: 1.5px rgba(20, 15, 10, 0.9);
    /* Dark stroke so the bright text pops */
    filter: drop-shadow(0px 8px 16px rgba(0, 0, 0, 0.15));
    margin: 0;
    animation: heroFadeIn 1.5s ease 0.2s both;
}

.hero-corner {
    position: absolute;
    bottom: 8vh;
    max-width: 260px;
    font-family: 'Outfit', sans-serif;
    animation: heroFadeIn 1.5s ease 0.8s both;
    pointer-events: auto;
}

.hero-corner-left {
    left: 6vw;
    text-align: left;
}

.hero-corner-right {
    right: 6vw;
    text-align: right;
}

.hero-corner span {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: #1a1410;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.hero-corner p {
    font-size: 0.75rem;
    color: #444;
    line-height: 1.5;
    margin: 0;
    opacity: 0.85;
}

@media (max-width: 768px) {
    .hero-corner {
        display: none;
        /* Tatanggalin sa mobile (User request) */
    }

    .hero-ui {
        display: block;
        padding: 0;
    }

    .hero-title {
        position: absolute;
        top: 0vh;
        /* Reset position so top doesn't clip */
        left: 0;
        width: 100vw;
        display: flex;
        flex-direction: column;
        font-size: 32vw;
        /* Shrunk font so it fits inside the viewport */
        letter-spacing: 0.15em;
        /* Increased spacing as requested */
        padding-left: 0.15em;
        /* Required to perfectly center the text when using letter-spacing */
        line-height: 0.72;
        animation: verticalFadeIn 1.5s cubic-bezier(0.2, 1, 0.3, 1) 0.3s both;
    }

    .hero-title span {
        display: block;
        text-align: center;
        /* Center them perfectly across the screen */
        width: 100%;
    }

}

.letters4u-link {
    position: fixed;
    z-index: 3;
    top: max(24px, calc(env(safe-area-inset-top) + 16px));
    left: max(24px, calc(env(safe-area-inset-left) + 16px));
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: 1px solid rgba(232, 201, 122, 0.45);
    border-radius: 999px;
    background: rgba(14, 11, 8, 0.9);
    color: var(--gold-light);
    font-family: var(--font);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-decoration: none;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
    transition: background 0.25s ease, border-color 0.25s ease;
}

.letters4u-link[hidden] {
    display: none;
}

.letters4u-link:hover {
    background: #241c10;
    border-color: var(--gold-light);
}

.letters4u-link:focus-visible {
    outline: 2px solid var(--gold-light);
    outline-offset: 5px;
}

.start-hint-styled {
    position: fixed;
    z-index: 3;
    bottom: max(4vh, calc(env(safe-area-inset-bottom) + 20px));
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    border: 1px solid rgba(232, 201, 122, 0.55);
    border-radius: 999px;
    background: rgba(14, 11, 8, 0.9);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
    text-align: center;
    font-family: 'Outfit', sans-serif;
    font-size: clamp(0.7rem, 2vw, 0.9rem);
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-light);
    white-space: nowrap;
    cursor: pointer;
    transition: background 0.25s ease, border-color 0.25s ease;
}

.start-hint-styled[hidden] {
    display: none;
}

.start-hint-styled:hover {
    background: #241c10;
    border-color: var(--gold-light);
}

.start-hint-styled:focus-visible {
    outline: 2px solid var(--gold-light);
    outline-offset: 5px;
}

.start-hint-icon {
    font-size: 1.2rem;
    line-height: 1;
}

html.tab-hidden * {
    animation-play-state: paused !important;
}

@media (prefers-reduced-motion: reduce) {
    .hero-grid-item,
    .hero-title,
    .hero-corner,
    #scroll-hint {
        animation: none;
    }
}

@keyframes pulseOpacity {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes verticalFadeIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}