/* d:\Vibe\浩子网站\css\styles.css */

:root {
    /* Color Palette */
    --gallery-white: #fafafa;
    --warm-grey: #f0ebe1;
    --sage-green: #a8b5a3;
    --dusty-blue: #9eabc0;
    --charcoal: #222222;
    --text-primary: #111111;
    --text-secondary: #666666;
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    
    /* Animation Params */
    --transition-slow: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-medium: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: all 0.2s ease-out;

    /* Shadow / Lighting */
    --shadow-soft: 0 20px 40px rgba(0,0,0,0.08);
    --shadow-hover: 0 30px 60px rgba(0,0,0,0.12);
}

/* Base resets & styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--gallery-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
}

h1 {
    font-size: clamp(3rem, 7vw, 6.5rem);
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    margin-bottom: 0.8rem;
}

.italic {
    font-style: italic;
    font-weight: 400;
}

@font-face {
    font-family: 'ZiYuXingYun';
    /* 浏览器将尝试从 assets 文件夹加载由用户提供的手写字体文件 */
    src: url('../assets/ziyuxingyun.woff2') format('woff2'),
         url('../assets/ziyuxingyun.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

.handwriting-zh {
    font-family: 'ZiYuXingYun', 'Ma Shan Zheng', cursive;
    font-weight: 400;
    font-style: normal;
    font-size: 1.2em; /* 稍微放大一点适配行云手书的较细笔画 */
    letter-spacing: 0.05em;
}

.section-label {
    display: inline-block;
    font-family: var(--font-sans);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Layout Utilities */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

section {
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
}

.bg-warm { background-color: var(--warm-grey); }
.bg-charcoal { background-color: var(--charcoal); color: var(--gallery-white); }
.bg-charcoal h3, .bg-charcoal h5, .bg-charcoal p { color: var(--gallery-white); }
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }

/* Buttons & Links */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 0.85rem;
    font-family: var(--font-sans);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 3rem;
    transition: var(--transition-medium);
    cursor: pointer;
    font-weight: 500;
    border: 1px solid transparent;
}

.btn-sm { padding: 0.6rem 1.5rem; font-size: 0.75rem; }
.btn-primary { background: var(--text-primary); color: #fff; }
.bg-charcoal .btn-primary { background: #fff; color: var(--text-primary); }

.btn-primary:hover {
    background: var(--sage-green);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(168,181,163,0.3);
    color: #fff;
    border-color: var(--sage-green);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--text-primary);
    color: #fff;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}
.link-arrow span { transition: transform 0.3s ease; margin-left: 0.5rem; }
.link-arrow:hover span { transform: translateX(5px); }
.link-arrow:hover { color: var(--sage-green); }

/* ---- Header ---- */
#site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: transparent;
    transition: padding 0.4s ease;
    padding: 1.5rem 0;
}

#site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

#site-header.scrolled .logo a {
    color: var(--charcoal);
    text-shadow: none;
}

#site-header.scrolled .desktop-nav a {
    color: var(--text-primary);
    text-shadow: none;
    font-weight: 500;
}

#site-header.scrolled .desktop-nav a:hover::after {
    background: var(--charcoal);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}
.header-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.9); /* Adds a subtle background in case it's on dark header */
    padding: 2px;
}
.logo .dot { color: var(--sage-green); }

.desktop-nav { display: flex; gap: 2.5rem; }
.desktop-nav a {
    text-decoration: none;
    color: #ffffff;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}
.desktop-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--sage-green);
    transition: width 0.3s ease;
}
.desktop-nav a:hover::after { width: 100%; }

/* ---- Dropdown Styles ---- */
.dropdown-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 1rem 0; /* Increase hover area */
    margin: -1rem 0;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 6px;
    padding: 0.5rem 0;
    min-width: 180px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    z-index: 200;
}

.dropdown-wrapper:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    margin: 0;
    padding: 0;
}

.desktop-nav .dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-primary);
    text-shadow: none;
    font-size: 0.8rem;
    text-transform: none;
    letter-spacing: 0.03em;
    transition: background-color 0.2s, color 0.2s;
}

.desktop-nav .dropdown-menu a::after {
    display: none;
}

.desktop-nav .dropdown-menu a:hover {
    background-color: var(--warm-grey);
    color: var(--sage-green);
}

/* ---- Hero Section ---- */
.hero-section {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 0 5% 8%;
    text-align: left;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 110%; /* for parallax margin */
    z-index: -1;
    overflow: hidden;
    background: var(--warm-grey);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 1; /* Fully immersive video */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Combine left and bottom gradients for corner text legibility */
    background: linear-gradient(to right, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0) 60%), 
                linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 60%);
}

.hero-content {
    max-width: 800px;
    z-index: 10;
    color: #ffffff;
}

.hero-content h1 {
    color: #ffffff;
    text-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

.hero-content .subtitle {
    font-size: 1.25rem;
    margin: 2rem 0;
    max-width: 600px;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.hero-ctas { 
    display: flex; 
    gap: 1.5rem; 
    justify-content: flex-start; 
    margin-top: 1rem;
}

.hero-ctas .btn-primary {
    background: #ffffff;
    color: var(--text-primary);
}
.hero-ctas .btn-primary:hover {
    background: var(--sage-green);
    color: #ffffff;
}
.hero-ctas .btn-outline {
    background: transparent;
    color: #ffffff;
    border-color: #ffffff;
}
.hero-ctas .btn-outline:hover {
    background: #ffffff;
    color: var(--text-primary);
}

/* ---- About Section ---- */
.about-image-wrap { position: relative; }
.about-portrait {
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 3/4;
    border-radius: 4px;
    background-color: var(--warm-grey);
}

.badge {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    background: #fff;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-soft);
}
.badge-icon { font-size: 2.2rem; margin-right: 0.5rem; }
.badge span {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.4;
    color: var(--text-secondary);
}
.badge .brand-highlight {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--charcoal);
    text-transform: none;
    letter-spacing: 0;
    margin-bottom: 0.2rem;
    position: relative;
    z-index: 1;
}
.badge .brand-highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: -2px;
    right: -2px;
    height: 8px;
    background: rgba(168, 181, 163, 0.4); /* subtle sage green marker effect */
    z-index: -1;
    transform: skewX(-15deg);
}

.about-text-wrap {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.bio-content p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* ---- Portfolio Section ---- */
.portfolio-marquee-container {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    padding: 3rem 0;
    position: relative;
}

.portfolio-marquee-track {
    display: inline-flex;
    animation: scroll-marquee 40s linear infinite;
}

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

.marquee-column {
    display: flex;
    flex-direction: column;
    height: 70vh;
    gap: 1.5rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
    align-items: center; /* prevent stretching to largest column width, keep aspect ratios */
}

.marquee-item {
    cursor: pointer;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-medium);
}

.item-large {
    height: 100%;
}

.item-small {
    /* 50% height minus half of the 1.5rem gap to fit exactly */
    height: calc(50% - 0.75rem);
}

.marquee-item img {
    height: 100%;
    width: auto;
    object-fit: contain; /* ensures images are not cropped, displayed fully */
    display: block;
    transition: transform 0.4s ease;
    background: var(--gallery-white);
}

.marquee-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.marquee-item:hover img {
    transform: scale(1.02);
}

@keyframes scroll-marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); } 
}

/* ---- Programs Section ---- */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    margin-top: 5rem;
}

.program-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-medium);
}
.program-card:hover {  transform: translateY(-10px); box-shadow: var(--shadow-soft); }

.pg-image {
    aspect-ratio: 4/3;
    background: #eaeaea;
    overflow: hidden;
}
.pg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}
.program-card:hover .pg-image img { transform: scale(1.03); }

.pg-content { padding: 1.5rem; }
.tag { font-size: 0.70rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--sage-green); font-weight: 600; display: block; margin-bottom: 0.8rem; }
.pg-content h3 { font-size: 1.25rem; font-weight: 500; margin-bottom: 0.8rem; line-height: 1.3; }
.pg-content p { font-size: 0.85rem; line-height: 1.6; }

/* ---- Gallery Section ---- */
.horizontal-scroll-gallery {
    display: flex;
    overflow-x: auto;
    gap: 1.5rem;
    margin-top: 4rem;
    padding-bottom: 2rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--dusty-blue) transparent;
}

.horizontal-scroll-gallery::-webkit-scrollbar {
    height: 8px;
}
.horizontal-scroll-gallery::-webkit-scrollbar-track {
    background: transparent;
}
.horizontal-scroll-gallery::-webkit-scrollbar-thumb {
    background: var(--dusty-blue);
    border-radius: 4px;
}

.gallery-card {
    flex: 0 0 auto;
    width: 320px;
    height: 400px;
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    background: var(--warm-grey);
    scroll-snap-align: start;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-medium);
}

.gallery-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.gallery-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition-medium);
}

.gallery-card:hover img {
    transform: scale(1.05);
}

.item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
    opacity: 0;
    transition: var(--transition-medium);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

.item-info h4 { color: #fff; font-family: var(--font-sans); margin-bottom: 0.5rem; }
.item-info p { color: rgba(255,255,255,0.8); font-size: 0.85rem; margin:0;}

.masonry-item:hover img { transform: scale(1.05); }
.masonry-item:hover .item-overlay { opacity: 1; }

/* ---- Footer ---- */
.minimal-form { max-width: 400px; margin-top: 2.5rem; }
.input-group { margin-bottom: 1.5rem; }
.input-group input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding: 1rem 0;
    color: #fff;
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: border-color 0.3s ease;
}
.input-group input:focus { outline: none; border-color: #fff; }
.input-group input::placeholder { color: rgba(255,255,255,0.4); }

.full-width { width: 100%; margin-top: 1rem; }

.footer-info {
    border-left: 1px solid rgba(255,255,255,0.1);
    padding-left: 4rem;
}
.logo-footer {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
}
.footer-info h5 { margin-bottom: 0.5rem; font-family: var(--font-sans); text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.05em; color: rgba(255,255,255,0.5);}
.footer-link { color: #fff; text-decoration: none; border-bottom: 1px solid transparent; transition: var(--transition-fast); }
.footer-link:hover { border-bottom-color: #fff; }

.social-links {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    z-index: 999;
}
.social-links a {
    color: #fff;
    text-decoration: none;
    margin-right: 0;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, color 0.3s ease;
    opacity: 0.8;
    mix-blend-mode: difference;
}
.social-links a:hover {
    opacity: 1;
    transform: translateY(-3px) scale(1.1);
}
.icon-sm {
    width: 22px;
    height: 22px;
}

.copyright { margin-top: 4rem; font-size: 0.75rem; color: rgba(255,255,255,0.4); }

/* ---- Animations Class ---- */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.reveal-up.active { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* ---- Music Toggle ---- */
.music-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: var(--transition-medium);
}
.music-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}
.sound-wave {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    height: 16px;
}
.sound-wave .bar {
    display: block;
    width: 3px;
    height: 4px;
    background-color: #fff;
    border-radius: 2px;
    transition: height 0.2s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.music-toggle.playing .sound-wave .bar {
    animation: wave-bounce 1s infinite ease-in-out;
}
.music-toggle.playing .sound-wave .bar:nth-child(1) { animation-delay: 0.0s; }
.music-toggle.playing .sound-wave .bar:nth-child(2) { animation-delay: 0.2s; }
.music-toggle.playing .sound-wave .bar:nth-child(3) { animation-delay: 0.4s; }
.music-toggle.playing .sound-wave .bar:nth-child(4) { animation-delay: 0.1s; }
@keyframes wave-bounce {
    0%, 100% { height: 4px; }
    50% { height: 16px; }
}
.music-toggle.playing {
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 0 20px rgba(255,255,255,0.2);
}

/* ---- Language Switcher Styles ---- */
html[data-lang="zh"] .lang-en { display: none !important; }
html[data-lang="en"] .lang-zh { display: none !important; }

.lang-toggle-btn {
    margin-right: 1rem;
    border-color: rgba(255,255,255,0.3);
    color: rgba(255,255,255,0.8);
    background: rgba(0,0,0,0.1);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.lang-toggle-btn:hover {
    background: rgba(255,255,255,0.2);
    color: #fff;
    border-color: #fff;
}
#site-header.scrolled .lang-toggle-btn {
    border-color: rgba(0,0,0,0.2);
    color: var(--text-primary);
    background: transparent;
}
#site-header.scrolled .lang-toggle-btn:hover {
    background: rgba(0,0,0,0.05);
    border-color: var(--text-primary);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .grid-2-col { grid-template-columns: 1fr; gap: 4rem; }
    .desktop-nav { display: none; }
    .programs-grid { grid-template-columns: 1fr; }
    .masonry-grid { columns: 2; }
    .badge { position: relative; bottom: 0; right: 0; width:100%; margin-top:-2rem;}
    .footer-info { border-left: none; padding-left: 0; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 3rem; margin-top: 3rem; }
}
@media (max-width: 600px) {
    .masonry-grid { columns: 1; }
    .hero-ctas { flex-direction: column; }
    
    /* Header Mobile Optimization */
    .logo a { font-size: 1.2rem; gap: 0.4rem; }
    .logo span { max-width: 130px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: inline-block; vertical-align: middle; }
    .header-avatar { width: 32px; height: 32px; }
    .header-actions { gap: 0.4rem; }
    .btn-sm { padding: 0.4rem 0.8rem; font-size: 0.7rem; }
}



@media (max-width: 900px) {
    .gallery-grid { columns: 2; }
}
@media (max-width: 600px) {
    .gallery-grid { columns: 1; }
}

/* ---- Lightbox Modal ---- */
.lightbox-modal {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-modal[aria-hidden="false"] {
    pointer-events: auto;
    opacity: 1;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(8px);
}

.lightbox-content {
    position: relative;
    z-index: 10;
    max-width: 90vw;
    max-height: 90vh;
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.lightbox-modal[aria-hidden="false"] .lightbox-content {
    transform: scale(1);
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    display: block;
}

.btn-close-lightbox {
    position: absolute;
    top: -3rem;
    right: 0;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 3rem;
    cursor: pointer;
    line-height: 1;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.btn-close-lightbox:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* ---- Splash Preloader ---- */
#site-preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: all;
    background: transparent;
}

.hole-wipe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    box-shadow: 0 0 0 5000px var(--gallery-white);
    background-color: var(--gallery-white);
    transform: translate(-50%, -50%) scale(1);
    /* Scale uses an explosive cubic bezier curve! starts slow then rushes outward */
    transition: transform 1.2s cubic-bezier(0.85, 0, 0.15, 1), background-color 0s ease 0.1s, opacity 0.3s ease-in 0.9s;
}

.preloader-avatar {
    width: 150px;
    height: 150px;
    object-fit: contain;
    border-radius: 50%;
    position: relative;
    z-index: 2;
    animation: avatar-float 3s ease-in-out infinite, avatar-pop 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    /* Gentle, gradual fade out and slight zoom */
    transition: transform 0.8s ease-out, opacity 0.8s ease-in-out;
}

/* ---- Reveal State (Outward Expansion) ---- */
#site-preloader.expand {
    pointer-events: none;
}

#site-preloader.expand .preloader-avatar {
    transform: scale(1.1);
    opacity: 0;
}

#site-preloader.expand .hole-wipe {
    background-color: transparent; /* Instantly clear the background circle hole */
    transform: translate(-50%, -50%) scale(50);
    opacity: 0;
}

@keyframes avatar-pop {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes avatar-float {
    0%, 100% { margin-top: 0; }
    50% { margin-top: -15px; } /* Use margin to not conflict with transition transform */
}