:root {
    --primary-gold: #C09F6B;
    --gold-light: #EADDC6;
    --gold-dark: #A98A5A;
    --deep-blue: #1E3A8A;
    --navy: #0D1A2E;
    --charcoal: #1A202C;
    --warm-gray: #F7FAFC;
    --cream: #FFFBF0;
    --text-primary: #E2E8F0;
    --text-secondary: #A0AEC0;
    --text-dark: #1A202C;
    --text-dark-secondary: #4A5568;
    --accent-red: #E53E3E;
    --success-green: #48BB78;
    --bg-dark: #080D17;
    --bg-light: #FFFFFF;
    --border-color: rgba(192, 159, 107, 0.15);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-strong: 0 15px 50px rgba(0, 0, 0, 0.2);
    --gradient-primary: linear-gradient(135deg, var(--primary-gold) 0%, var(--gold-dark) 100%);
    --gradient-hero: radial-gradient(ellipse at bottom, #1B2735 0%, #090A0F 100%);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    cursor: none;
    font-weight: 400;
}

/* --- Custom Cursor with Enhanced Animations --- */
.cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-gold);
    border-radius: 50%;
    left: 0;
    top: 0;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 10000;
    mix-blend-mode: difference;
    backdrop-filter: blur(2px);
}

.cursor-dot {
    position: fixed;
    width: 6px;
    height: 6px;
    background: var(--gradient-primary);
    border-radius: 50%;
    left: 0;
    top: 0;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 10001;
    box-shadow: 0 0 10px rgba(192, 159, 107, 0.5);
}

body:has(a:hover, button:hover, .info-card:hover, .day-card:hover, .schedule-item:hover, .interactive:hover) .cursor {
    width: 50px;
    height: 50px;
    background: rgba(192, 159, 107, 0.1);
    border-color: rgba(192, 159, 107, 0.6);
    transform: translate(-50%, -50%) scale(1.2);
    backdrop-filter: blur(8px);
}

.serif-font {
    font-family: 'Noto Serif SC', serif;
    font-weight: 600;
}

/* --- Loading Screen --- */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.8s ease-out;
}

.loading-text {
    font-size: 2rem;
    color: var(--primary-gold);
    opacity: 0;
    animation: fadeInOut 2s ease-in-out infinite;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0; transform: translateY(10px); }
    50% { opacity: 1; transform: translateY(0); }
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    transform: translateY(-20px);
}

.nav-links {
    display: flex;
    gap: 1rem;
    list-style: none;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-link:hover {
    background: rgba(192, 159, 107, 0.2);
    color: var(--primary-gold);
}

/* --- Hero Section Enhanced --- */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 0 2rem;
    background: var(--gradient-hero);
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23C09F6B' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
}

.hero-title {
    font-size: clamp(3.5rem, 10vw, 8rem);
    font-weight: 700;
    color: #fff;
    text-shadow: 0 5px 30px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.02em;
    opacity: 0;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.8rem);
    color: var(--text-secondary);
    font-weight: 300;
    margin-top: 2rem;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
}

.hero-cta {
    margin-top: 3rem;
    opacity: 0;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 60px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-medium);
    border: none;
    cursor: none;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
}

.scroll-down-indicator {
    position: absolute;
    bottom: 5rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-secondary);
    font-size: 0.875rem;
    letter-spacing: 1px;
    opacity: 0;
    animation: bounce 2s infinite;
    z-index: 6;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* --- General Section Styles Enhanced --- */
.container {
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 768px) {
    .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.content-wrapper {
    background-color: var(--bg-light);
    color: var(--text-dark);
    border-radius: 60px 60px 0 0;
    margin-top: -60px;
    position: relative;
    z-index: 5;
    padding-top: 1px;
    box-shadow: 0 -20px 50px rgba(0, 0, 0, 0.1);
}

.section {
    padding: 8rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 6rem;
}

.section-title {
    font-size: clamp(2.75rem, 5vw, 5rem);
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.section-subtitle {
    font-size: 1.375rem;
    color: var(--text-dark-secondary);
    font-weight: 300;
    line-height: 1.7;
}

/* --- Info Cards Enhanced --- */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 3rem;
    margin-top: 5rem;
}

.info-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 30px;
    padding: 3.5rem;
    border: 1px solid #E2E8F0;
    box-shadow: var(--shadow-soft);
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
    cursor: none;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.info-card:hover::before {
    transform: scaleX(1);
}

.info-card:hover {
    transform: translateY(-20px) scale(1.03);
    box-shadow: var(--shadow-strong);
    border-color: var(--primary-gold);
}

.info-card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 2.5rem;
    color: var(--primary-gold);
    stroke-width: 1.5;
    transition: all 0.3s ease;
}

.info-card:hover .info-card-icon {
    transform: scale(1.1) rotate(5deg);
}

.info-card-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 1.5rem;
    transition: color 0.3s ease;
}

.info-card:hover .info-card-title {
    color: var(--primary-gold);
}

.info-card-description {
    color: var(--text-dark-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
    font-weight: 400;
}

.info-card-meta {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #E2E8F0;
    display: flex;
    align-items: center;
    gap: 1rem;
    opacity: 0.8;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-dark-secondary);
}

.meta-icon {
    width: 16px;
    height: 16px;
    color: var(--primary-gold);
}

/* --- Day Cards Enhanced --- */
.day-timeline {
    display: grid;
    gap: 10rem;
    position: relative;
    margin-top: 6rem;
}

.day-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-gold), var(--gold-dark));
    transform: translateX(-50%);
    opacity: 0.3;
}

@media (max-width: 1024px) {
    .day-timeline::before { display: none; }
}

.day-card {
    display: grid;
    grid-template-columns: 1fr 2.5fr;
    gap: 5rem;
    align-items: start;
    position: relative;
}

@media (max-width: 1024px) {
    .day-card {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.day-header-sticky {
    position: sticky;
    top: 120px;
}

.day-header {
    background: linear-gradient(135deg, var(--navy) 0%, var(--charcoal) 100%);
    color: white;
    padding: 3.5rem;
    border-radius: 30px;
    text-align: center;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.day-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(192, 159, 107, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.day-number {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1;
    color: var(--primary-gold);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.day-date {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
    letter-spacing: 2px;
    position: relative;
    z-index: 2;
}

.day-content-wrapper {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: all 0.4s ease;
}

.day-content-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
}

.day-title {
    font-size: 2.8rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 2rem;
    padding: 3.5rem 3.5rem 0;
    line-height: 1.2;
}

.day-schedule {
    display: flex;
    flex-direction: column;
}

.schedule-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2.5rem;
    padding: 2.5rem 3.5rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.4s ease;
    position: relative;
    cursor: none;
}

.schedule-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.schedule-item:hover::before {
    transform: scaleY(1);
}

.schedule-item:hover {
    background: linear-gradient(135deg, rgba(192, 159, 107, 0.03) 0%, rgba(192, 159, 107, 0.08) 100%);
    transform: translateX(10px);
}

.schedule-item:last-child {
    border-bottom: none;
}

.schedule-time {
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px;
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
    height: fit-content;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-soft);
}

.schedule-item:hover .schedule-time {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-medium);
}

.schedule-content {
    flex: 1;
}

.schedule-location {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.schedule-item:hover .schedule-location {
    color: var(--primary-gold);
}

.schedule-description {
    color: var(--text-dark-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.schedule-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.highlight-tag {
    background: linear-gradient(135deg, rgba(192, 159, 107, 0.1) 0%, rgba(192, 159, 107, 0.2) 100%);
    color: var(--gold-dark);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(192, 159, 107, 0.3);
    transition: all 0.3s ease;
}

.highlight-tag:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
}

.tips-section {
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.08) 0%, rgba(72, 187, 120, 0.03) 100%);
    border-top: 1px solid rgba(226, 232, 240, 0.6);
    padding: 2.5rem 3.5rem;
    position: relative;
}

.tips-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 3.5rem;
    right: 3.5rem;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.3;
}

.tips-title {
    color: var(--success-green);
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.tips-content {
    color: var(--text-dark-secondary);
    font-size: 1rem;
    line-height: 1.8;
    font-weight: 400;
}

/* --- Statistics Section --- */
.stats-section {
    background: var(--gradient-primary);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    opacity: 0;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 300;
    opacity: 0.9;
}

/* --- Footer Enhanced --- */
.footer {
    background: var(--bg-dark);
    color: var(--cream);
    padding: 8rem 2rem 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.5;
}

.footer-content {
    position: relative;
    z-index: 2;
}

.footer-quote {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 2rem;
    line-height: 1.7;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.footer-sub {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 3rem;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-primary);
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary-gold);
    transform: translateY(-3px);
}

/* --- Progress Bar --- */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-primary);
    z-index: 9999;
    transition: width 0.1s ease;
}

/* --- Responsive Design Enhancements --- */
@media (max-width: 768px) {
    .schedule-item {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 2rem;
    }

    .schedule-time {
        width: 120px;
        margin: 0 auto;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .section {
        padding: 5rem 0;
    }

    .day-title {
        padding: 2.5rem 2.5rem 0;
        font-size: 2.2rem;
    }

    .day-timeline {
        gap: 6rem;
    }

    .nav {
        top: 1rem;
        right: 1rem;
        padding: 0.8rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero-title {
        font-size: clamp(2.5rem, 8vw, 4rem);
    }
}

/* --- Utility Classes --- */
.interactive { cursor: none; }

.fade-in {
    opacity: 0;
    transform: translateY(30px);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- Animation Keyframes --- */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* --- Print Styles --- */
@media print {
    .cursor,
    .cursor-dot,
    .nav,
    .loading-screen {
        display: none !important;
    }

    body {
        cursor: auto;
    }
}