:root {
    --tuc-azul: #005CA2;
    --tuc-celeste: #84CFED;
    --sinide-blue: #337AB7;
    --accent-emerald: #10b981;
    --text-primary: #0f172a;
    --text-white: #ffffff;
    --glass-card: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.4);
}

html {
    font-size: 13px;
    /* Escala global al ~80% */
}

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

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    /* Clean Institutional Gradient (No Gray) */
    background: linear-gradient(-45deg, #ffffff, #84CFED, #337AB7, #005CA2);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}



/* Mouse Follow Light Effect (Spotlight) */
.mouse-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px; /* Tamaño reducido para mayor concentración */
    height: 300px;
    background: radial-gradient(circle, rgba(132, 207, 237, 0.4) 0%, rgba(132, 207, 237, 0.1) 45%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    transform: translate(-50%, -50%);
}

header {
    width: 100%;
    padding: 12px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.nav-link:hover {
    transform: scale(1.05);
}

/* Balances 3 Institutional Logos */
.nav-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-left {
    height: 50px;
}

.logo-center {
    height: 38px;
}

.logo-right {
    height: 60px;
}

.hero-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    perspective: 1000px;
}

/* Deep Glass Card */
.glass-card {
    background: var(--glass-card);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    padding: 60px;
    border-radius: 40px;
    max-width: 800px;
    width: 95%;
    box-shadow: 0 40px 80px -15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.1s ease-out;
    /* For JS tilt */
}

h1 {
    font-family: 'Encode Sans', sans-serif;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
    color: var(--sinide-blue);
    letter-spacing: -1px;
}

p {
    font-size: 1.8rem;
    color: var(--sinide-blue);
    max-width: 850px;
    margin: 0 auto 4rem;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.2px;
}

/* Spectacular Button Design */
.cta-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.btn-mega {
    text-decoration: none;
    padding: 22px 60px;
    font-size: 1.3rem;
    font-weight: 900;
    color: white;
    background: linear-gradient(135deg, var(--tuc-azul), #003d6b);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 15px 35px rgba(0, 92, 162, 0.3);
    animation: megaPulse 2s infinite;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-mega:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 45px rgba(0, 92, 162, 0.4);
    filter: brightness(1.1);
}

.btn-icon {
    height: 25px;
    /* Ajustado para la nueva escala */
    width: auto;
    filter: brightness(0) invert(1);
    /* La hace blanca si es oscura */
}

/* Conservando el layout original para el texto */
.btn-mega {
    gap: 15px;
}

@keyframes megaPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(132, 207, 237, 0.7);
    }

    70% {
        box-shadow: 0 0 0 30px rgba(132, 207, 237, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(132, 207, 237, 0);
    }
}

.sub-btns {
    display: flex;
    gap: 30px;
}

.btn-glass {
    text-decoration: none;
    padding: 18px 36px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    color: var(--tuc-azul);
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.btn-glass:hover {
    background: white;
    color: var(--accent-emerald);
    transform: translateY(-3px);
}

/* Premium Footer */
footer {
    background: #0a192f;
    color: white;
    padding: 60px 40px;
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.footer-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    width: 100%;
}

.footer-brand {
    font-size: 1.4rem;
    font-weight: 700;
    opacity: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.footer-icon {
    height: 20px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-info {
    font-size: 1rem;
    opacity: 0.6;
    font-weight: 300;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    header {
        padding: 30px 40px;
    }

    h1 {
        font-size: 3.5rem;
    }

    .logo-tucuman {
        height: 80px;
        min-width: 260px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 20px;
        justify-content: center; /* Centro para móvil con un solo logo */
    }

    .logo-left, .logo-right {
        display: none; /* Dejamos solo el logo del centro como pidió el usuario */
    }

    .logo-center {
        height: 40px; /* Reducido para mayor estética en móvil */
    }

    .glass-card {
        padding: 30px 20px;
        border-radius: 20px;
    }

    h1 {
        font-size: 2.2rem;
        margin-bottom: 1.5rem;
    }

    p {
        font-size: 1.2rem;
        margin-bottom: 2.5rem;
    }

    .sub-btns {
        flex-direction: column;
        width: 100%;
        gap: 15px;
    }

    .btn-mega {
        width: 100%;
        justify-content: center;
        padding: 18px 20px;
        font-size: 1.2rem;
    }

    .btn-glass {
        width: 100%;
        justify-content: center;
    }
}