/* Paleta inspirada en .NET Conf */
:root {
    --color-primary: #512bd4;
    --color-secondary: #8a63ec;
    --color-bg: #ffffff;
    --color-text: #1a1a1a;
    --color-card: #f7f7f9;

    --radius: 12px;
    --transition: 0.25s ease;
}

body {
    margin: 0;
    font-family: "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
}

.linkTeams{
    margin-left:1.5rem;
    display: inline-flex;
    color: blue;
    font-weight: 600;
    opacity: 0.8;
    text-decoration: none;
    gap: 8px;
}
.linkTeams:hover{
    opacity:1;
    text-decoration: underline;
}

.linkYoutube{
    margin-left:1.5rem;
    display: inline-flex;
    text-decoration: none;
    font-weight: 600;
    color: #FF0000;
    opacity: 0.8;
    align-items: center;
    gap: 8px;  
}
.linkYoutube:hover{
    opacity:1;
    text-decoration: underline;
    color:blue;
}

.linkYoutube span{
    color:blue;    
    line-height: 1;
}


/* ---------------------- HEADER ---------------------- */

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 40px;
    border-bottom: 1px solid #ddd;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-primary);
}

.logo-main {
    height: 28px;
    width: auto;
}

.brand-text {
    font-size: 1.3rem;
    font-weight: 600;
}

/* ---------------------- HERO ---------------------- */

.hero {
    text-align: center;
    padding: 120px 20px 100px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
}

.hero h1 {
    font-size: 2.6rem;
    margin-bottom: 12px;
}

.hero .subtitle {
    max-width: 700px;
    margin: 0 auto 28px;
    font-size: 1.15rem;
}

.btn-primary {
    background: white;
    color: var(--color-primary);
    padding: 14px 34px;
    font-size: 1rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.btn-primary:hover {
    background: #f3f0ff;
    transform: translateY(-2px);
}

/* ---------------------- LOGOS ---------------------- */

.tech-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    padding: 40px 0 10px;
}

.tech-logo {
    height: 90px;
    width: auto;
    object-fit: contain;
    transition: transform 0.25s ease;
}

.tech-logo:hover {
    transform: translateY(-6px);
}

/* ---------------------- SECCIONES ---------------------- */

section {
    max-width: 1200px;
    margin: auto;
}

.about {
    padding: 20px 40px 10px;
}

.sessions {
    padding: 10px 40px 70px;
    display: grid;
    gap: 28px;
}

.about h2,
.sessions h2 {
    font-size: 1.9rem;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.features li {
    margin-bottom: 8px;
}

/* ---------------------- CARDS ---------------------- */

.session-card {
    background: var(--color-card);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    transition: var(--transition);
}

.session-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.session-card h3 {
    margin-top: 0;
    font-size: 1.4rem;
    color: var(--color-primary);
}

/* ---------------------- FOOTER ---------------------- */

.footer {
    text-align: center;
    padding: 40px 0;
    opacity: 0.8;
}

/* ---------------------- MOBILE ---------------------- */

@media (max-width: 768px) {
    .topbar {
        padding: 16px 20px;
    }

    .hero {
        padding: 80px 20px 60px;
    }

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

    .tech-logos {
        flex-direction: column;
        gap: 20px;
    }

    .tech-logo {
        height: 70px;
    }

    .about,
    .sessions {
        padding: 20px;
    }
}