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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a0505 50%, #050a0a 100%);
    min-height: 100vh;
    color: #ffffff;
    overflow-x: auto;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
}

.logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.logo {
    height: 60px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

.title {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ff313c 0%, #00a5a1 50%, #ffb300 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.2rem;
    color: #a0a0a0;
    font-weight: 400;
}

.days-container {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.day-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.day-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff313c, #00a5a1, #ffb300);
}

.day-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(255, 49, 60, 0.2);
    border-color: rgba(255, 49, 60, 0.3);
}

.day-header {
    text-align: center;
    margin-bottom: 2rem;
}

.day-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 3rem;
    font-weight: 700;
    color: #ff313c;
    line-height: 1;
}

.day-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.day-date {
    color: #a0a0a0;
    font-size: 1rem;
}

.activities {
    space-y: 1rem;
}

.activity {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.2s ease;
}

.activity:hover {
    background: rgba(255, 49, 60, 0.05);
    border-color: rgba(255, 49, 60, 0.2);
}

.activity-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: #ffb300;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.activity-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.activity-speaker {
    color: #a0a0a0;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.speaker-link {
    color: #a0a0a0;
    text-decoration: none;
    transition: color 0.2s ease;
}

.speaker-link:hover {
    color: #c0c0c0;
}

.activity-title a {
    color: inherit;
    text-decoration: underline;
    text-decoration-color: #ffb300;
    transition: text-decoration-color 0.2s ease;
}

.activity-title a:hover {
    text-decoration-color: #ff313c;
}

.activity-type {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.activity-type.infrastructure {
    background: rgba(35, 110, 226, 0.2);
    color: #236EE2;
}

.activity-type.development {
    background: rgba(255, 50, 60, 0.2);
    color: #FF323C;
}

.activity-type.keynote {
    background: rgba(255, 186, 0, 0.2);
    color: #FFBA00;
}

.activity-type.dev-chat {
    background: rgba(0, 165, 161, 0.2);
    color: #00a5a1;
}

.activity-type.open-source {
    background: rgba(0, 178, 83, 0.2);
    color: #00B253;
}

.activity-type.qa, .activity-type.community, .activity-type.workshop, .activity-type.hiring {
    background: rgba(156, 163, 175, 0.2);
    color: #9ca3af;
}

.activity-type.proyecto {
    background: rgba(255, 50, 60, 0.2);
    color: #FF323C;
}

.footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #a0a0a0;
}

@media (max-width: 1024px) {
    .days-container {
        gap: 1.5rem;
    }

    .title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .title {
        font-size: 2rem;
    }

    .logos {
        gap: 1rem;
    }

    .logo[alt="Nerdearla"] {
        content: url('n.png');
    }
}