:root {
    --azul-marino: #1B2D4E;
    --cian-digital: #00B4D8;
    --azul-electrico: #0056B3;
    --verde-lima: #76BC21;
}

/* --- Estructura del Video --- */
.video-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

#bg-video {
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(27, 45, 78, 0.9) 0%, rgba(0, 86, 179, 0.7) 100%);
}

/* --- Estilos Generales --- */
body {
    height: 100vh;
    display: flex;
    align-items: center;
    font-family: 'Inter', system-ui, sans-serif;
    margin: 0;
}

.login-card {
    width: 100%;
    max-width: 440px;
    padding: 20px;
    margin: auto;
    position: relative;
    z-index: 10;
}

.card {
    border: none;
    border-radius: 24px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4) !important;
}

.card-header-tech {
    background-image: linear-gradient(rgba(27, 45, 78, 0.1), rgba(27, 45, 78, 0.2));
    background-size: cover;
    background-position: center;
    padding: 45px 20px;
    text-align: center;
    color: white;
    border-bottom: 5px solid var(--cian-digital);
}

.form-label {
    color: var(--azul-marino);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.text-wayra-cyan { color: var(--cian-digital); }

.input-group-text {
    border: 2px solid #eef2f7;
    color: #94a3b8;
}

.form-control {
    border-radius: 10px;
    padding: 12px 15px;
    border: 2px solid #eef2f7;
    font-size: 1rem;
}

.form-control:focus {
    border-color: var(--cian-digital);
    box-shadow: none;
    background-color: #fff;
}

.btn-ingresar {
    background: linear-gradient(to right, var(--verde-lima), #64a11b);
    border: none;
    color: white;
    padding: 14px;
    font-weight: 800;
    border-radius: 12px;
    text-transform: uppercase;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-ingresar:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 20px rgba(118, 188, 33, 0.4);
    color: white;
}

.hover-link:hover {
    color: var(--azul-electrico) !important;
    text-decoration: underline !important;
}