@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;600;700;800&display=swap');

:root {
    --bg-deep: #0a1f44;
    --bg-darker: #050f24;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --accent-silver: #e2e8f0;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-hover: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-white: rgba(255, 255, 255, 0.95);
    --silver-gradient: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    --accent-blue: #3b82f6;
}

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

body {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 2rem;
    background: radial-gradient(circle at center, #1a2d5e 0%, #0a1f44 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: 0;
}

.hero-symbol {
    width: 300px;
    max-width: 80%;
    margin-bottom: 2rem;
    z-index: 10;
    filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.1));
    animation: float 6s ease-in-out infinite;
}

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

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    background: var(--silver-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    z-index: 10;
    text-align: center;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    z-index: 10;
    text-align: center;
}

/* Timeline Section */
.timeline-section {
    padding: 8rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    font-size: 3.5rem;
    text-align: center;
    margin-bottom: 6rem;
    background: var(--silver-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 10px rgba(255,255,255,0.1));
}

.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50px;
    bottom: 50px;
    width: 2px;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.2), transparent);
}

.timeline-item {
    position: relative;
    padding-bottom: 5rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-dot {
    position: absolute;
    left: -3rem;
    top: 2rem;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
    z-index: 2;
}

.timeline-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { width: 100%; height: 100%; opacity: 0.8; }
    100% { width: 300%; height: 300%; opacity: 0; }
}

.timeline-content {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.05),
        transparent
    );
    transition: 0.6s;
}

.timeline-content:hover {
    transform: scale(1.02) translateY(-10px);
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4), 0 0 20px rgba(255, 255, 255, 0.05);
}

.timeline-content:hover::before {
    left: 100%;
}

.event-time {
    font-family: 'Outfit';
    font-weight: 700;
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    display: block;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.event-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    line-height: 1.1;
    color: #fff;
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.event-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
    line-height: 1.5;
}

.timeline-content.is-break {
    background: #e2e8f0; /* Silver/Light Gray solid */
    border-color: #cbd5e1;
    padding: 1.25rem 2rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.timeline-content.is-break .event-time {
    color: #475569; /* Dark slate */
    opacity: 1;
}

.timeline-content.is-break .event-title {
    background: none;
    -webkit-text-fill-color: #1e293b; /* Charcoal */
    color: #1e293b;
    font-size: 1.3rem;
    opacity: 1;
}

.timeline-content.is-break .event-title i {
    color: #475569;
}

.timeline-content.is-break .event-description {
    color: #475569;
    font-size: 0.95rem;
    font-style: normal;
    opacity: 0.9;
}

.timeline-content.is-break:hover {
    background: #f1f5f9;
    transform: scale(1.01) translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title { font-size: 3.2rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .section-title { font-size: 2.2rem; margin-bottom: 4rem; }
    .timeline-section { padding: 5rem 1.5rem; }
    
    .timeline { padding-left: 2.5rem; }
    .timeline-dot { left: -2.5rem; width: 14px; height: 14px; }
    
    .timeline-content { padding: 1.5rem; border-radius: 1.5rem; }
    
    .event-time { font-size: 1rem; margin-bottom: 0.5rem; }
    .event-title { 
        font-size: 1.35rem; 
        margin-bottom: 0.75rem; 
        gap: 0.75rem;
    }
    
    .event-title i {
        width: 22px;
        height: 22px;
    }
    
    .event-description { font-size: 0.95rem; line-height: 1.4; }
    .timeline-item { padding-bottom: 3rem; }
}