/* ============================================================
   LABIX — Landing page (hero del home)
   ------------------------------------------------------------
   Depende de styles.css (tokens, reset, fondo, botones, footer).
   ============================================================ */

main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
}

.hero {
    text-align: center;
    max-width: 720px;
    animation: fadeInUp 1.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

.logo-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 16px;
}

.logo-glow {
    position: absolute;
    inset: -80px;
    background: radial-gradient(circle, rgba(166, 77, 255, 0.45), rgba(77, 166, 255, 0.15) 45%, transparent 70%);
    filter: blur(40px);
    z-index: -1;
    animation: pulse 5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; transform: scale(1);   }
    50%      { opacity: 1;   transform: scale(1.1); }
}

.logo {
    width: min(90vw, 1100px);
    height: auto;
    display: block;
}

.tagline {
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
    font-size: 14px;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

/* ------------------------------------------------------------
   Rotador de taglines
   - Grid apila los spans en la misma celda → wrapper toma
     el ancho del mensaje más largo, nunca salta el layout.
   - Cada mensaje dura 4s (ciclo total 12s con 3 mensajes).
   ------------------------------------------------------------ */
.tagline-rotator {
    display: grid;
    /* minmax(0, 1fr) permite que el contenido se achique por debajo del
       ancho mínimo intrínseco — sin esto, una tagline ancha (ej. la de
       "Tecnología al Servicio de la Ciencia" en uppercase) desborda el
       viewport en celulares chicos y descentra el hero. */
    grid-template-columns: minmax(0, 1fr);
    place-items: center;
    width: 100%;
    margin-top: 8px;
}

.tagline-item {
    grid-column: 1;
    grid-row: 1;
    max-width: 100%;
    opacity: 0;
    animation: tagline-rotate 12s infinite cubic-bezier(0.22, 1, 0.36, 1);
}

.tagline-item:nth-child(1) { animation-delay: 1s; }
.tagline-item:nth-child(2) { animation-delay: 5s; }
.tagline-item:nth-child(3) { animation-delay: 9s; }

@keyframes tagline-rotate {
    0%     { opacity: 0; transform: translateY(10px);  }
    3%     { opacity: 1; transform: translateY(0);     }
    30%    { opacity: 1; transform: translateY(0);     }
    33.33% { opacity: 0; transform: translateY(-10px); }
    100%   { opacity: 0; transform: translateY(-10px); }
}

/* Respeta preferencia de reducir movimiento: muestra solo el primero */
@media (prefers-reduced-motion: reduce) {
    .tagline-item { animation: none !important; opacity: 0; transform: none; }
    .tagline-item:first-child { opacity: 1; }
}

.status {
    margin-top: 28px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px 10px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 999px;
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.4px;
    opacity: 0;
    animation: fadeInUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.8s forwards;
}

.status-dot {
    position: relative;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}
.status-dot::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--success);
    animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    0%   { transform: scale(1);   opacity: 0.6; }
    100% { transform: scale(2.8); opacity: 0;   }
}

@media (max-width: 640px) {
    .tagline   { font-size: 11px; letter-spacing: 5px; }
    .status    { margin-top: 20px; font-size: 12px; }
    .logo-glow { inset: -50px; filter: blur(30px); }
}

/* Celulares chicos (320-420px: iPhone SE, Android económicos): la tagline
   más larga aún desborda con letter-spacing 5px; bajamos a 3px y achicamos
   el padding de main para ganar ancho útil. */
@media (max-width: 420px) {
    main     { padding: 32px 16px; }
    .tagline { font-size: 10px; letter-spacing: 3px; }
}