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

:root {
    --primary-color: #d4af37;
    --primary-dark: #b8941f;
    --secondary-color: #8b7355;
    --accent-color: #c9a961;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #fdfbf7 0%, #f5f1e8 100%);
    color: var(--text-dark);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

/* Back Button */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: white;
    color: var(--primary-dark);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.95rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.back-button:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(-3px);
    box-shadow: var(--shadow-lg);
}

.back-button svg {
    width: 20px;
    height: 20px;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 50px;
    animation: fadeInDown 0.6s ease-out;
}

.logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 20px;
    filter: drop-shadow(var(--shadow-md));
}

.header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 400;
}

/* Timeline */
.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
}

/* Day Section */
.day-section {
    margin-bottom: 50px;
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.day-section:nth-child(1) { animation-delay: 0.1s; }
.day-section:nth-child(2) { animation-delay: 0.2s; }
.day-section:nth-child(3) { animation-delay: 0.3s; }

.day-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
}

.day-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    flex-shrink: 0;
}

.day-info h2 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.day-info p {
    font-size: 1rem;
    color: var(--text-light);
}

/* Events */
.events {
    margin-left: 80px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.event-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-left: 4px solid var(--border-color);
    position: relative;
}

.event-card::before {
    content: '';
    position: absolute;
    left: -84px;
    top: 30px;
    width: 12px;
    height: 12px;
    background: white;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 0 4px white;
}

.event-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-xl);
    border-left-color: var(--primary-color);
}

.event-card.highlight {
    border-left-color: var(--accent-color);
    background: linear-gradient(to right, #fffef9, white);
}

.event-card.highlight::before {
    border-color: var(--accent-color);
}

.event-card.special {
    border-left-color: var(--primary-color);
    background: linear-gradient(135deg, #fffef9 0%, #fff9e6 100%);
    border: 2px solid var(--primary-color);
    border-left-width: 4px;
}

.event-card.special::before {
    border-color: var(--primary-color);
    background: var(--primary-color);
}

.event-time {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.event-time svg {
    width: 20px;
    height: 20px;
}

.event-content h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.event-description {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 15px;
    font-style: italic;
}

.event-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.detail-item svg {
    width: 18px;
    height: 18px;
    color: var(--secondary-color);
    flex-shrink: 0;
}

/* Footer Note */
.footer-note {
    text-align: center;
    margin-top: 50px;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.6s ease-out 0.4s both;
}

.footer-note p {
    font-size: 1.2rem;
    color: var(--primary-dark);
    font-weight: 500;
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    .header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .logo {
        width: 100px;
        height: 100px;
    }

    .timeline::before {
        left: 20px;
    }

    .day-number {
        width: 50px;
        height: 50px;
        font-size: 0.9rem;
    }

    .day-info h2 {
        font-size: 1.4rem;
    }

    .day-info p {
        font-size: 0.9rem;
    }

    .events {
        margin-left: 60px;
    }

    .event-card {
        padding: 20px;
    }

    .event-card::before {
        left: -64px;
    }

    .event-content h3 {
        font-size: 1.2rem;
    }

    .event-time {
        font-size: 1rem;
    }

    .detail-item {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.7rem;
    }

    .timeline::before {
        left: 15px;
    }

    .day-header {
        gap: 15px;
    }

    .day-number {
        width: 40px;
        height: 40px;
        font-size: 0.8rem;
    }

    .events {
        margin-left: 45px;
    }

    .event-card::before {
        left: -49px;
        width: 10px;
        height: 10px;
    }

    .event-card {
        padding: 15px;
    }

    .event-content h3 {
        font-size: 1.1rem;
    }
}