/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400&family=Noto+Serif+SC:wght@300;500&family=Playfair+Display:ital,wght@0,400;0,600;1,400&display=swap');

/* CSS Variables for Consistency */
:root {
    --color-bg-primary: #f8f9fa;
    --color-bg-secondary: #faf7f2;
    --color-accent-pink: #e3b7a0;
    --color-accent-sand: #d4c4b5;
    --color-text-dark: #2c2c2c;
    --color-text-body: #333333;
    
    --font-heading-en: 'Playfair Display', serif;
    --font-heading-cn: 'Noto Serif SC', serif;
    --font-body: 'Noto Sans SC', sans-serif;
}

/* Base Reset & Typography */
body {
    font-family: var(--font-body);
    background-color: var(--color-bg-primary);
    color: var(--color-text-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    line-height: 1.8;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading-cn);
    font-weight: 300;
    color: var(--color-text-dark);
}

.font-playfair {
    font-family: var(--font-heading-en);
}

.font-serif-cn {
    font-family: var(--font-heading-cn);
}

/* Minimalist Scrollbar */
::-webkit-scrollbar {
    width: 4px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #d4c4b5;
    border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover {
    background: #e3b7a0;
}

/* Animation Utilities */
.fade-in-up {
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

.fade-in {
    animation: fadeIn 1.5s ease-out forwards;
    opacity: 0;
}

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

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

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-500 { animation-delay: 0.5s; }
.delay-700 { animation-delay: 0.7s; }

/* Interactive Image Effects */
.img-hover-zoom {
    overflow: hidden;
    display: block;
    position: relative;
}

.img-hover-zoom img {
    transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.5s ease;
    will-change: transform;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.img-hover-zoom:hover img {
    transform: scale(1.06);
}

/* Navigation Styles */
.nav-link {
    position: relative;
    text-decoration: none;
    color: var(--color-text-dark);
    font-family: var(--font-body);
    font-weight: 300;
    letter-spacing: 0.05em;
    padding-bottom: 2px;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: var(--color-text-dark);
    transition: width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

/* Focus Mode (Modal) */
.focus-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(250, 247, 242, 0.98);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    backdrop-filter: blur(5px);
}

.focus-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.focus-image {
    max-height: 90vh;
    max-width: 90vw;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    transform: scale(0.96);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.focus-overlay.active .focus-image {
    transform: scale(1);
}

/* Utility Helpers */
.text-justify-inter {
    text-align: justify;
    text-justify: inter-ideograph;
}

.tracking-widest-lg {
    letter-spacing: 0.2em;
}

/* Progressive Loading Blur */
.blur-load {
    filter: blur(15px);
    transition: filter 0.8s ease-out;
}

.blur-load.loaded {
    filter: blur(0);
}