@import url("https://fontsapi.zeoseven.com/256/main/result.css");
/* SimpleScript Font */
@font-face {
    font-family: 'SimpleScript';
    src: url('./assets/fonts/SimpleScript/SimpleScript-3.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* LingDongQiCheChunTang Font */
@font-face {
    font-family: 'LingDongQiCheChunTang';
    src: url('./assets/fonts/LingDongQiCheChunTang/compressed-LingDongQiCheChunTang-2.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ========================================
   DESIGN SYSTEM - CSS Custom Properties
   ======================================== */
:root {
    /* Colors */
    --color-bg-cream: #FDFBF7;
    --color-bg-texture: #F9F6F0;
    --color-title-dark: #2D2D2D;
    --color-body-gray: #6B6B6B;
    --color-accent-brown: rgb(67, 80, 52);
    --color-accent-warm: #722F37;
    --color-divider: rgba(139, 105, 20, 0.2);
    
    /* Typography Scale */
    --font-serif: 'SimpleScript', 'LingDongQiCheChunTang', 'Cormorant Garamond', Georgia, serif;
    --font-chinese: 'Huiwen-mincho', 'LingDongQiCheChunTang', serif;
    --font-sans: 'Lato', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Spacing Scale (8px base) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-elegant: 0 8px 30px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   Base Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: #F5F0E6;
    background-image: url('./assets/images/bg.jpg');
    background-repeat: repeat-y;
    background-position: center;
    background-size: auto;
    color: var(--color-body-gray);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    background: transparent;
    min-height: 100vh;
}

/* ========================================
   Typography
   ======================================== */
.serif {
    font-family: var(--font-serif);
}

.sans {
    font-family: var(--font-sans);
}

.chinese {
    font-family: var(--font-chinese);
}

.title-dark {
    color: var(--color-title-dark);
}

.accent-brown {
    color: var(--color-accent-brown);
}

.text-center {
    text-align: center;
}

.text-light {
    font-weight: 300;
}

.text-italic {
    font-style: italic;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    70% {
        opacity: 1;
    }
    100% {
        opacity: 1;
    }
}

@keyframes popIn {
    0% {
        opacity: 0;
    }
    60% {
        opacity: 1;
    }
    80% {
        opacity: 1;
    }
    100% {
        opacity: 1;
    }
}

@keyframes swingIn {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    70% {
        opacity: 1;
    }
    100% {
        opacity: 1;
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.animate-fade-in {
    animation: fadeIn 1s ease forwards;
    opacity: 0;
}

.animate-scale-in {
    animation: scaleIn 0.8s ease forwards;
    opacity: 0;
}

.animate-bounce-in {
    animation: bounceIn 0.7s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
    opacity: 0;
}

.animate-pop-in {
    animation: popIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    opacity: 0;
}

.animate-swing-in {
    animation: swingIn 0.7s ease forwards;
    opacity: 0;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: var(--space-16) var(--space-6) var(--space-12);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent-brown), transparent);
}

.hero-welcome {
    font-size: var(--text-3xl);
    letter-spacing: 0.2em;
    color: var(--color-accent-warm);
    font-weight: 400;
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-2);
    letter-spacing: 0.05em;
}

.hero-couple-names {
    font-weight: 500;
    color: var(--color-accent-brown);
    margin-bottom: var(--space-8);
    font-style: italic;
}

.hero-divider {
    width: 60px;
    height: 1px;
    background: var(--color-accent-brown);
    margin: var(--space-8) auto;
    opacity: 0.5;
}

.hero-image-wrapper {
    position: relative;
    margin: var(--space-8) auto 0;
    max-width: 300px;
    background: #fff;
    padding: 12px 12px 50px 12px;
    box-shadow: var(--shadow-soft);
}

.hero-image-wrapper::after {
    content: '南京 玄武湖边 夕阳下';
    position: absolute;
    bottom: 12px;
    left: 0;
    right: 0;
    text-align: center;
    font-family: var(--font-chinese);
    font-size: var(--text-sm);
    color: var(--color-body-gray);
    letter-spacing: 0.1em;
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
}

.hero-image-wrapper:hover .hero-image {
    filter: grayscale(0%);
}

/* ========================================
   Couple Section
   ======================================== */
.couple-section {
    padding: var(--space-16) var(--space-6);
    background: linear-gradient(to bottom, transparent, rgba(139, 105, 20, 0.03));
}

.couple-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    max-width: 400px;
    margin: 0 auto;
}

.couple-item {
    text-align: center;
    opacity: 0;
}

.couple-photo-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    margin-bottom: var(--space-4);
    aspect-ratio: 3/4;
}

.couple-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.couple-photo-wrapper:hover .couple-photo {
    transform: scale(1.05);
}

.couple-label {
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-accent-brown);
    margin-bottom: var(--space-1);
}

.couple-name {
    font-size: var(--text-base);
    color: var(--color-body-gray);
    font-weight: 300;
}

/* ========================================
   About Us Section
   ======================================== */
.about-us {
    padding: var(--space-20) var(--space-6);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 600;
    color: var(--color-accent-brown);
    
    letter-spacing: 0.1em;
}

.about-poetry {
    max-width: 360px;
    margin: 0 auto var(--space-10);
    text-align: center;
    opacity: 0;
}

.about-poetry p {
    font-size: var(--text-lg);
    line-height: 2;
    color: var(--color-body-gray);
    font-weight: 300;
}

.about-poetry .highlight {
    color: var(--color-accent-brown);
    font-style: italic;
}

.photo-grid {
    position: relative;
    max-width: 280px;
    margin: 0 auto;
    padding: var(--space-16) 0;
}

.photo-item {
    border-radius: var(--radius-sm);
    overflow: visible;
    aspect-ratio: 16 / 9;
    opacity: 0;
    position: relative;
    margin-bottom: calc(var(--space-4) * -1);
    transition: transform var(--transition-base), z-index 0s;
    z-index: 1;
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: #e8e8e8 8px solid;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.photo-item:nth-child(1) {
    transform: rotate(-3deg) translateX(-8px);
    z-index: 4;
}

.photo-item:nth-child(2) {
    transform: rotate(2deg) translateX(12px) translateY(20px);
    z-index: 3;
}

.photo-item:nth-child(3) {
    transform: rotate(-1.5deg) translateX(-4px) translateY(10px);
    z-index: 2;
}

.photo-item:nth-child(4) {
    transform: rotate(2.5deg) translateX(8px) translateY(25px);
    z-index: 1;
}

.photo-item:hover {
    transform: rotate(0deg) scale(1.05);
    z-index: 10;
}

.photo-item:hover img {
    box-shadow: var(--shadow-elegant);
}

/* ========================================
   Wedding Details Section
   ======================================== */
.wedding-details {
    padding: var(--space-20) var(--space-6);
    background: linear-gradient(to bottom, rgba(139, 105, 20, 0.03), transparent);
}

.date-info {
    text-align: center;
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-divider);
}

.date-main {
    font-size: var(--text-xl);
    color: var(--color-title-dark);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.date-lunar {
    font-size: var(--text-sm);
    color: var(--color-body-gray);
    font-weight: 300;
}

.calendar-wrapper {
    max-width: 320px;
    margin: 0 auto var(--space-10);
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(139, 105, 20, 0.15);
    opacity: 0;
}

.calendar-header {
    text-align: center;
    padding-bottom: var(--space-4);
    border-bottom: 1px solid rgba(139, 105, 20, 0.1);
    margin-bottom: var(--space-4);
}

.calendar-month {
    font-size: var(--text-xl);
    color: var(--color-accent-brown);
    font-family: var(--font-serif);
    font-weight: 600;
    letter-spacing: 0.15em;
}

.calendar-year {
    font-size: var(--text-xs);
    color: var(--color-body-gray);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-top: var(--space-1);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--space-1);
}

.calendar-weekday {
    font-size: var(--text-xs);
    color: var(--color-body-gray);
    text-align: center;
    padding: var(--space-2) 0;
    font-weight: 400;
}

.calendar-weekday:nth-child(7),
.calendar-weekday:nth-child(7n) {
    color: var(--color-accent-brown);
    opacity: 0.7;
}

.calendar-day {
    font-size: var(--text-sm);
    color: var(--color-title-dark);
    text-align: center;
    padding: var(--space-2) 0;
    font-weight: 300;
}

.calendar-day.highlighted {
    background: var(--color-accent-brown);
    color: #fff;
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.calendar-day.empty {
    visibility: hidden;
}

.calendar-lunar {
    text-align: center;
    padding-top: var(--space-3);
    margin-top: var(--space-3);
    border-top: 1px solid rgba(139, 105, 20, 0.1);
    font-size: var(--text-xs);
    color: var(--color-body-gray);
    font-weight: 300;
}

.timeline-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    margin: 0 auto var(--space-10);
    padding: 0 var(--space-4);
}

.timeline-item {
    display: flex;
    align-items: center;
}

.timeline-item.left {
    flex-direction: row;
}

.timeline-item.right {
    flex-direction: row-reverse;
}

.timeline-icon {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
}

.timeline-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.timeline-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.timeline-item.left .timeline-content {
    align-items: flex-start;
}

.timeline-item.right .timeline-content {
    align-items: flex-end;
}

.timeline-time {
    font-family: var(--font-serif);
    font-size: var(--text-sm);
    color: var(--color-accent-warm);
    font-weight: 600;
}

.timeline-content .chinese {
    font-size: var(--text-lg);
    color: var(--color-body-gray);
}

.dress-code {
    max-width: 360px;
    margin: 0 auto var(--space-10);
    padding: var(--space-6);
    text-align: center;
    opacity: 0;
}

.detail-subtitle {
    font-size: var(--text-base);
    color: var(--color-accent-warm);
    font-weight: 600;
    margin-bottom: var(--space-1);
    letter-spacing: 0.15em;
    text-align: center;
}

.detail-subtitle-cn {
    font-size: var(--text-sm);
    color: var(--color-body-gray);
    font-weight: 600;
    margin-bottom: var(--space-4);
    text-align: center;
}

.timeline-section {
    text-align: center;
    margin-bottom: var(--space-4);
}

.dress-code-title {
    font-size: var(--text-base);
    color: var(--color-accent-warm);
    font-weight: 600;
    margin-bottom: var(--space-1);
    letter-spacing: 0.15em;
}

.dress-code-subtitle {
    font-size: var(--text-sm);
    color: var(--color-body-gray);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.dress-code-text {
    font-size: var(--text-base);
    color: var(--color-body-gray);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.dress-code-colors {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
}

.color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.1);
}

.venue {
    text-align: center;
    margin-bottom: var(--space-10);
    opacity: 0;
}

.venue-name {
    font-size: var(--text-xl);
    color: var(--color-title-dark);
    font-weight: 500;
    margin-bottom: var(--space-4);
    font-family: var(--font-serif);
}

.venue-map-img {
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.venue-map-img img {
    display: block;
    width: 100%;
    height: auto;
}

.venue-map {
    width: 100%;
    max-width: 360px;
    height: 200px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    border-radius: var(--radius-md);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-body-gray);
    font-size: var(--text-sm);
    box-shadow: var(--shadow-subtle);
}


.tips {
    max-width: 360px;
    margin: 0 auto;
    padding: var(--space-4);
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-body-gray);
    font-weight: 300;
    font-style: italic;
    opacity: 0;
}

/* ========================================
   RSVP Section
   ======================================== */
.rsvp-section {
    padding: var(--space-16) var(--space-6);
}

.rsvp-form {
    max-width: 320px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-accent-brown);
    font-weight: 500;
    margin-bottom: var(--space-2);
    letter-spacing: 0.05em;
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-chinese);
    font-size: var(--text-base);
    color: var(--color-title-dark);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(139, 105, 20, 0.2);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-input::placeholder {
    color: var(--color-body-gray);
    opacity: 0.6;
}

.form-input:focus {
    border-color: var(--color-accent-brown);
    box-shadow: 0 0 0 3px rgba(139, 105, 20, 0.1);
}

.input-with-suffix {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-suffix .form-input {
    padding-right: var(--space-8);
}

.input-suffix {
    position: absolute;
    right: var(--space-4);
    color: var(--color-body-gray);
    font-size: var(--text-base);
    pointer-events: none;
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.rsvp-submit {
    display: block;
    width: 100%;
    padding: var(--space-4);
    font-size: var(--text-base);
    color: #fff;
    background: var(--color-accent-brown);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
    letter-spacing: 0.1em;
}

.rsvp-submit:hover {
    background: #5a6b45;
    transform: translateY(-2px);
}

.rsvp-submit:active {
    transform: translateY(0);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--space-16) var(--space-6) var(--space-12);
    text-align: center;
    background: linear-gradient(to bottom, transparent, rgba(139, 105, 20, 0.05));
}

.footer-date {
    font-size: var(--text-2xl);
    color: var(--color-accent-brown);
    font-weight: 400;
    margin-bottom: var(--space-4);
    font-family: var(--font-serif);
}

.footer-meet {
    font-size: var(--text-lg);
    color: var(--color-body-gray);
    font-weight: 300;
    margin-bottom: var(--space-12);
}

.footer-thanks {
    font-size: var(--text-sm);
    letter-spacing: 0.3em;
    color: var(--color-accent-brown);
    text-transform: uppercase;
    font-weight: 400;
    opacity: 0.8;
}

.footer-divider {
    width: 40px;
    height: 1px;
    background: var(--color-accent-brown);
    margin: var(--space-8) auto;
    opacity: 0.4;
}

/* ========================================
   Decorative Elements
   ======================================== */
.ornament {
    width: 80px;
    height: 80px;
    margin: var(--space-8) auto;
    opacity: 0.15;
    background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M40 0 L45 35 L80 40 L45 45 L40 80 L35 45 L0 40 L35 35 Z' fill='%238B6914'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 375px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .couple-grid {
        gap: var(--space-4);
    }
    
    .photo-grid {
        gap: var(--space-3);
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .container {
        box-shadow: none;
        max-width: none;
    }
    
    body {
        background: white;
    }
}

/* ========================================
   Loading Animation
   ======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #F5F0E6;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.rings {
    position: relative;
    width: 80px;
    height: 80px;
}

.rings::before,
.rings::after {
    content: '';
    position: absolute;
    width: 36px;
    height: 36px;
    border: 2px solid var(--color-accent-brown);
    border-radius: 50%;
    top: 50%;
    left: 0;
}

.rings::before {
    animation: ringMoveLeft 2.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.rings::after {
    animation: ringMoveRight 2.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes ringMoveLeft {
    0% { transform: translateX(-8px) translateY(-50%); opacity: 0.5; }
    30% { transform: translateX(12px) translateY(-50%); opacity: 1; }
    50% { transform: translateX(12px) translateY(-50%); opacity: 1; }
    80% { transform: translateX(-8px) translateY(-50%); opacity: 0.5; }
    100% { transform: translateX(-8px) translateY(-50%); opacity: 0.5; }
}

@keyframes ringMoveRight {
    0% { transform: translateX(52px) translateY(-50%); opacity: 0.5; }
    30% { transform: translateX(32px) translateY(-50%); opacity: 1; }
    50% { transform: translateX(32px) translateY(-50%); opacity: 1; }
    80% { transform: translateX(52px) translateY(-50%); opacity: 0.5; }
    100% { transform: translateX(52px) translateY(-50%); opacity: 0.5; }
}

.loading-text {
    margin-top: var(--space-6);
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    color: var(--color-accent-warm);
    letter-spacing: 0.2em;
    opacity: 0.7;
}