@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
    --fondo-pantalla: #f1f5f9;
    --fondo-tarjeta: #ffffff;
    --texto-principal: #0f172a;
    --texto-secundario: #475569;
    --texto-terciario: #94a3b8;
    --borde-suave: #e2e8f0;           
    --fondo-input: #f8fafc;

    --color-primario: #1e3a8a;
    --color-primario-hover: #172554;
    --color-foco: rgba(30, 58, 138, 0.12);  

    --exito-bg: #f0fdf4;
    --exito-texto: #166534;
    --exito-borde: #bbf7d0;
    --error-bg: #fef2f2;
    --error-texto: #991b1b;
    --error-borde: #fecaca;

    --sombra-tarjeta: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
                      0 20px 40px -15px rgba(0, 0, 0, 0.07);
    --radio-base: 10px;
    --transicion: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--borde-suave);
    padding: 0 24px;
    box-sizing: border-box;
    z-index: 100;
    transition: background-color var(--transicion);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-link {
    color: var(--texto-secundario);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 2px;
    border-radius: 6px;
    transition: color var(--transicion);
}

.header-link:hover {
    color: var(--color-primario);
}

.info-link {
    color: var(--color-primario);
    background-color: var(--fondo-input);
    padding: 6px 14px;
    border-radius: 8px;
    border: 1px solid var(--borde-suave);
    transition: background-color var(--transicion), border-color var(--transicion);
}

.info-link:hover {
    background-color: var(--color-foco);
    border-color: var(--color-primario);
}

.header-socials {
    display: flex;
    gap: 12px;
    border-left: 1px solid var(--borde-suave);
    padding-left: 16px;
}

.header-social-link {
    color: var(--texto-terciario);
    font-size: 18px;
    transition: color var(--transicion), transform var(--transicion);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.header-social-link:hover {
    color: var(--color-primario);
    transform: translateY(-1px);
}


body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--fondo-pantalla);
    color: var(--texto-principal);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 100px 24px 40px;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.cabecera-concierto {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
    margin-bottom: 20px;
}

.mini-cartel {
    width: 100%;
    max-width: 460px;           
    height: auto;
    border-radius: 14px;
    box-shadow:
        0 2px 4px rgba(0,0,0,0.06),
        0 8px 16px rgba(0,0,0,0.10),
        0 24px 48px rgba(0,0,0,0.16);  
    border: 1px solid var(--borde-suave);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.textos-concierto h2 {
    color: #ca8a04;
    font-size: 28px;             
    font-weight: 800;
    margin: 0 0 8px 0;
    letter-spacing: -0.5px;
}

@media (max-width: 380px) {
    .mini-cartel {
        max-width: 100%;         
        border-radius: 10px;
    }

    .textos-concierto h2 {
        font-size: 20px;
    }
}
/* ─── Formular── */

form#promoForm {
    background-color: var(--fondo-tarjeta);
    margin: auto;
    margin-bottom: 80px;
    padding: 48px;
    border-radius: 14px;                        
    border: 1px solid var(--borde-suave);       
    box-shadow: var(--sombra-tarjeta);
    width: 100%;
    max-width: 500px;
    box-sizing: border-box;
}

form br {
    display: none;
}

label {
    display: block;
    font-weight: 500;
    font-size: 13.5px;
    color: var(--texto-principal);
    margin-bottom: 7px;
    letter-spacing: 0.01em;
}

/* ─── Inputs─── */
.input-wrapper {
    position: relative;
    margin-bottom: 20px;       
}

.input-wrapper i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--texto-terciario);
    font-size: 15px;
    transition: color var(--transicion);
    pointer-events: none;
}

input[type="text"],
input[type="email"] {
    width: 100%;
    padding: 13px 16px 13px 42px;
    background-color: var(--fondo-input);
    border: 1px solid var(--borde-suave);
    border-radius: var(--radio-base);
    font-size: 15px;
    font-family: inherit;
    color: var(--texto-principal);
    transition: border-color var(--transicion),
                box-shadow var(--transicion),
                background-color var(--transicion);
    box-sizing: border-box;
}

input::placeholder {
    color: var(--texto-terciario);
    font-weight: 400;
}

input:focus {
    background-color: var(--fondo-tarjeta);
    border-color: var(--color-primario);
    outline: none;
    box-shadow: 0 0 0 3px var(--color-foco);
}

.input-wrapper input:focus ~ i {
    color: var(--color-primario);
}

/* ─── Botón ─── */

button#submitBtn {
    width: 100%;
    background-color: var(--color-primario);
    color: #ffffff;
    border: none;
    padding: 15px;
    border-radius: var(--radio-base);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.025em;
    cursor: pointer;
    transition: background-color var(--transicion),
                transform var(--transicion),
                box-shadow var(--transicion);
    margin-top: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(30, 58, 138, 0.2);
}

button#submitBtn:hover {
    background-color: var(--color-primario-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.28);
}

button#submitBtn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(30, 58, 138, 0.2);
}

button#submitBtn:disabled {
    background-color: var(--texto-terciario);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.65;
}

/* ─── Mensaje ───── */

#messageBox {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radio-base);
    font-size: 14px;
    font-weight: 500;
    box-sizing: border-box;
    margin-top: 20px;
    padding: 14px 16px;
    text-align: center;
    line-height: 1.5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.success {
    background-color: var(--exito-bg);
    color: var(--exito-texto);
    border: 1px solid var(--exito-borde);
}

.error {
    background-color: var(--error-bg);
    color: var(--error-texto);
    border: 1px solid var(--error-borde);
}


.main-footer {
    width: 100%;
    margin-top: auto;
    padding: 28px 24px;
    background-color: transparent;
    border-top: 1px solid var(--borde-suave);
    box-sizing: border-box;
}

.footer-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: row; 
    justify-content: space-between; 
    align-items: center;
    gap: 28px;
}

.footer-textos {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 18px;
}

.footer-textos p {
    margin: 0;
    font-size: 13px;
    color: var(--texto-secundario);
    line-height: 1.5;
}

.logo-discreto {
    height: 45px;
    opacity: 0.4;
    transition: opacity 0.3s ease;
    cursor: default;
}

.logo-discreto:hover {
    opacity: 0.9;
}

.footer-content p {
    margin: 0;
    font-size: 13px;
    color: var(--texto-secundario);
    line-height: 1.5;
}

.footer-links {
    display: flex;
    gap: 20px;
    line-height: 1.8;
    justify-content: center;
}

.footer-links a {
    font-size: 13px;
    color: var(--texto-terciario);
    text-decoration: none;
    transition: color var(--transicion);
}

.footer-links a:hover {
    color: var(--color-primario);
}

@media (max-width: 640px) {
    body {
        padding: 80px 16px 32px;
    }

    form#promoForm {
        padding: 36px 28px;
        border-radius: 12px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 0;
        align-items: flex-start;
        background-color: var(--fondo-tarjeta);
    }

    form#promoForm {
        padding: 88px 20px 40px !important;
        border-radius: 0;
        box-shadow: none;
        border: none;
        width: 100%;
        max-width: 100%;
        margin-bottom: 0;
        box-sizing: border-box;
    }

    .main-header {
        padding: 0 16px;
    }

    .header-text-hide {
        display: none;
    }

    .header-socials {
        padding-left: 10px;
        gap: 10px;
    }

    form#promoForm h2 {
        font-size: 21px !important;
    }

    input[type="text"],
    input[type="email"] {
        font-size: 16px; 
    }

    label[for="rgpd"] {
        font-size: 12.5px !important;
    }

    .main-footer {
        background-color: var(--fondo-tarjeta);
        border-top: 1px solid var(--borde-suave);
        padding: 32px 20px;
    }

    .footer-links {
        gap: 16px;
    }

    .footer-content {
        flex-direction: column; 
        text-align: center;
        gap: 28px;
    }

    .footer-textos {
        align-items: center; 
        gap: 16px;
    }
}