/* ============================================
   urbOS - (c) 2026 Cristian Vargas. Todos los derechos reservados.
   Huella de autoria: URBOS-CV-2026-6AE9FC1B67C2E7B5
   Archivo: public/css/urbos-portal.css
   Estilos del portal de ingreso (pagina principal). Sin Node, sin compilar.
   ============================================ */

:root {
    --u-oscuro: #272e36;
    --u-oscuro-2: #1c2228;
    --u-naranja: #f5821f;
    --u-naranja-2: #de6f10;
    --u-verde: #6cae6b;
    --u-azul: #2a9fd8;
    --u-texto: #1f2630;
    --u-gris: #5d6773;
    --u-gris-claro: #8a94a0;
    --u-borde: #dde2e8;
    --u-fondo: #ffffff;
    --u-radio: 12px;
    --u-firma: "URBOS-CV-2026-6AE9FC1B67C2E7B5";
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Inter Variable", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--u-texto);
    background: var(--u-fondo);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ---------- estructura ---------- */

.portal {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(400px, 1fr);
    min-height: 100vh;
    min-height: 100dvh;
}

/* ---------- vitrina (izquierda) ---------- */

.portal__vitrina {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding: 48px 64px;
    color: #e8ecf0;
    background-color: var(--u-oscuro);
    background-image:
        radial-gradient(circle at 88% 12%, rgba(42, 159, 216, 0.20), transparent 42%),
        radial-gradient(circle at 8% 92%, rgba(245, 130, 31, 0.18), transparent 46%),
        linear-gradient(160deg, var(--u-oscuro) 0%, var(--u-oscuro-2) 100%);
}

.portal__vitrina::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: linear-gradient(90deg, var(--u-naranja), var(--u-verde), var(--u-azul));
}

.portal__vitrina::after {
    content: "";
    position: absolute;
    right: -120px;
    bottom: -120px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow:
        0 0 0 60px rgba(255, 255, 255, 0.015),
        0 0 0 120px rgba(255, 255, 255, 0.01);
    pointer-events: none;
}

.vitrina__logo {
    width: 230px;
}

.vitrina__intro {
    margin-top: auto;
}

.vitrina__etiqueta {
    margin: 0 0 12px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--u-azul);
}

.vitrina__titulo {
    margin: 0;
    max-width: 22ch;
    font-size: clamp(28px, 3vw, 44px);
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
}

.vitrina__pie {
    margin-top: auto;
    font-size: 13px;
    color: var(--u-gris-claro);
}

/* ---------- slider ---------- */

.slider {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.slider__pista {
    display: grid;
}

.slide {
    grid-area: 1 / 1;
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 20px;
    align-items: start;
    padding: 28px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s;
}

.slide.is-activa {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.slide__icono {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    color: var(--u-naranja);
    background: rgba(245, 130, 31, 0.14);
}

.slide[data-tono="verde"] .slide__icono {
    color: var(--u-verde);
    background: rgba(108, 174, 107, 0.16);
}

.slide[data-tono="azul"] .slide__icono {
    color: var(--u-azul);
    background: rgba(42, 159, 216, 0.16);
}

.slide__icono svg {
    width: 28px;
    height: 28px;
}

.slide__texto h2 {
    margin: 0 0 8px;
    font-size: 20px;
    line-height: 1.3;
    font-weight: 600;
    color: #ffffff;
}

.slide__texto p {
    margin: 0;
    font-size: 15px;
    line-height: 1.65;
    color: #b9c1cb;
}

.slider__controles {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
}

.slider__flecha {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: transparent;
    color: #e8ecf0;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.slider__flecha:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
}

.slider__flecha svg {
    width: 18px;
    height: 18px;
}

.slider__puntos {
    display: flex;
    gap: 8px;
}

.slider__punto {
    width: 8px;
    height: 8px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: width 0.3s ease, background 0.3s ease;
}

.slider__punto[aria-current="true"] {
    width: 26px;
    background: var(--u-naranja);
}

.slider__flecha:focus-visible,
.slider__punto:focus-visible {
    outline: 2px solid var(--u-azul);
    outline-offset: 3px;
}

/* ---------- acceso (derecha) ---------- */

.portal__acceso {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 40px 28px;
    background: var(--u-fondo);
}

.acceso__caja {
    width: 100%;
    max-width: 400px;
    margin: auto 0;
}

.acceso__logo {
    display: none;
    width: 170px;
    margin-bottom: 32px;
}

.acceso__titulo {
    margin: 0 0 6px;
    font-size: 26px;
    line-height: 1.25;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.acceso__subtitulo {
    margin: 0 0 28px;
    font-size: 15px;
    color: var(--u-gris);
}

.alerta {
    margin-bottom: 20px;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid #f3c4c4;
    background: #fdeeee;
    color: #9b1c1c;
    font-size: 14px;
}

.formulario {
    display: grid;
    gap: 18px;
}

.campo {
    display: grid;
    gap: 6px;
}

.campo__etiqueta {
    font-size: 14px;
    font-weight: 600;
}

.campo__entrada {
    width: 100%;
    height: 48px;
    padding: 0 14px;
    font: inherit;
    font-size: 15px;
    color: var(--u-texto);
    background: #ffffff;
    border: 1px solid var(--u-borde);
    border-radius: 10px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.campo__entrada:focus {
    outline: none;
    border-color: var(--u-azul);
    box-shadow: 0 0 0 4px rgba(42, 159, 216, 0.15);
}

.campo__clave {
    position: relative;
}

.campo__clave .campo__entrada {
    padding-right: 76px;
}

.campo__ver {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    height: 32px;
    padding: 0 12px;
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    color: var(--u-gris);
    background: #f3f5f7;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
}

.campo__ver:hover {
    color: var(--u-texto);
}

.casilla {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--u-gris);
    cursor: pointer;
}

.casilla input {
    width: 18px;
    height: 18px;
    accent-color: var(--u-naranja);
}

.boton {
    height: 50px;
    margin-top: 4px;
    font: inherit;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    background: var(--u-naranja);
    border: 0;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
}

.boton:hover {
    background: var(--u-naranja-2);
}

.boton:active {
    transform: translateY(1px);
}

.boton:focus-visible {
    outline: 3px solid rgba(245, 130, 31, 0.35);
    outline-offset: 2px;
}

.boton[disabled] {
    opacity: 0.7;
    cursor: wait;
}

.acceso__ayuda {
    margin: 24px 0 0;
    font-size: 14px;
    color: var(--u-gris);
}

.acceso__ayuda a {
    color: var(--u-azul);
    font-weight: 600;
    text-decoration: none;
}

.acceso__ayuda a:hover {
    text-decoration: underline;
}

.acceso__pie {
    margin-top: 40px;
    font-size: 13px;
    color: var(--u-gris-claro);
    text-align: center;
}

/* ---------- pantallas pequenas ---------- */

@media (max-width: 960px) {
    .portal {
        grid-template-columns: 1fr;
    }

    .portal__acceso {
        order: -1;
        padding: 40px 24px 32px;
    }

    .portal__vitrina {
        padding: 40px 24px;
        gap: 28px;
    }

    .vitrina__cabecera {
        display: none;
    }

    .acceso__logo {
        display: block;
    }

    .vitrina__intro {
        margin-top: 0;
    }

    .vitrina__titulo {
        font-size: 26px;
    }

    .slide {
        grid-template-columns: 44px 1fr;
        gap: 14px;
        padding: 20px;
    }

    .slide__icono {
        width: 44px;
        height: 44px;
        border-radius: 12px;
    }

    .slide__icono svg {
        width: 22px;
        height: 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .slide,
    .slider__punto,
    .boton,
    .campo__entrada {
        transition: none;
    }
}