/* ========================================
   BATERIAZ - ESTILOS PRINCIPALES
   Colores: rojo, dorado, negro y blanco
======================================== */

:root {
    --color-red: #d92332;
    --color-red-dark: #b51d2a;
    --color-gold: #e0b33d;
    --color-black: #171717;
    --color-dark: #252525;
    --color-white: #ffffff;
    --color-light: #f6f6f6;
    --color-gray: #666666;
    --color-border: #e5e5e5;

    --container-width: 1120px;
    --radius: 14px;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
}

/* RESET */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 20px;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--color-black);
    background: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--color-gold);
    outline-offset: 4px;
}

/* CONTENEDOR GENERAL */

.site-header,
.section,
.site-footer {
    padding-left: 20px;
    padding-right: 20px;
}

.section > *,
.site-header > * {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
}

.section {
    padding-top: 64px;
    padding-bottom: 64px;
}

.section h2 {
    margin-top: 0;
    margin-bottom: 16px;
    font-size: clamp(1.65rem, 4vw, 2.35rem);
    line-height: 1.2;
    text-align: center;
}

.section > p {
    color: var(--color-gray);
    text-align: center;
    max-width: 720px;
    margin: 0 auto 28px;
}

/* ENCABEZADO SIN MENU */

.site-header {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 10px;
    padding-bottom: 10px;
    background: var(--color-black);
}

.site-header a {
    width: auto;
    max-width: 100%;
}

.site-header img {
    width: 165px;
    max-height: 62px;
    object-fit: contain;
}

/* PORTADA CON FONDO BATERIAZ */

.hero {
    padding: 72px 20px 76px;
    text-align: center;
    color: var(--color-white);

    background-image:
        linear-gradient(
            rgba(15, 15, 15, 0.62),
            rgba(15, 15, 15, 0.78)
        ),
        url("/assets/img/fondo-bateriaz.webp");

    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;

    /* Evita que la imagen se desplace al hacer scroll */
    background-attachment: scroll;
}

.hero__eyebrow {
    margin: 0 0 16px;
    color: var(--color-gold);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1.6px;
}

.hero h1 {
    max-width: 850px;
    margin: 0 auto 20px;
    font-size: clamp(2rem, 5.5vw, 3.6rem);
    line-height: 1.12;
    letter-spacing: -1px;
}

.hero__description {
    max-width: 650px;
    margin: 0 auto 30px;
    color: #e4e4e4;
    font-size: clamp(1rem, 2.5vw, 1.15rem);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 14px;
}

/* BOTONES */

.button {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 23px;
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: 0.96rem;
    font-weight: 700;
    text-align: center;
    transition:
        background-color 0.2s ease,
        transform 0.2s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button--whatsapp {
    color: var(--color-white);
    background: #18864b;
}

.button--whatsapp:hover {
    background: #116d3c;
}

.button--call {
    color: var(--color-white);
    border-color: var(--color-gold);
    background: transparent;
}

.button--call:hover {
    color: var(--color-black);
    background: var(--color-gold);
}

/* BENEFICIOS */

.benefits-grid,
.services-grid,
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    margin-top: 32px;
}

.benefit-card,
.service-card,
.step-card {
    padding: 26px 22px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-white);
    box-shadow: var(--shadow);
}

.benefit-card h3,
.service-card h3,
.step-card h3 {
    margin: 0 0 10px;
    font-size: 1.15rem;
}

.benefit-card h3::before {
    content: "";
    display: block;
    width: 38px;
    height: 4px;
    margin-bottom: 16px;
    border-radius: 4px;
    background: var(--color-red);
}

.benefit-card p,
.service-card p,
.step-card p {
    margin: 0;
    color: var(--color-gray);
}

/* MARCAS */

.section--brands {
    background: var(--color-light);
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 32px;
}

.brand-card {
    min-height: 115px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-white);
}

.brand-card img {
    width: 100%;
    max-width: 165px;
    height: 68px;
    object-fit: contain;
}

/* PASOS DE COMPRA */

.step-card span {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--color-red);
    font-size: 1.8rem;
    font-weight: 800;
}

/* DISTRITOS */

.districts-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 30px;
}

.districts-grid a {
    display: flex;
    align-items: center;
    min-height: 52px;
    padding: 12px 15px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-white);
    font-weight: 600;
    transition:
        border-color 0.2s ease,
        color 0.2s ease;
}

.districts-grid a:hover {
    color: var(--color-red);
    border-color: var(--color-red);
}

/* PREGUNTAS FRECUENTES */

#preguntas-frecuentes details {
    max-width: 850px;
    margin: 12px auto;
    padding: 18px 20px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-white);
}

#preguntas-frecuentes summary {
    cursor: pointer;
    font-weight: 700;
}

#preguntas-frecuentes details p {
    margin-bottom: 0;
    color: var(--color-gray);
}

/* CONTACTO */

.contact-section {
    text-align: center;
    color: var(--color-white);
    background: var(--color-black);
}

.contact-section h2 {
    color: var(--color-white);
}

.contact-section > p {
    color: #e0e0e0;
}

.contact-section .button {
    margin-top: 10px;
}

/* PIE DE PAGINA */

.site-footer {
    padding-top: 28px;
    padding-bottom: 28px;
    text-align: center;
    color: #e5e5e5;
    background: #101010;
}

.site-footer p {
    margin: 8px 0;
}

.site-footer a {
    color: var(--color-gold);
    font-weight: 700;
}

/* RESPONSIVE: TABLET */

@media (max-width: 800px) {
    .benefits-grid,
    .services-grid,
    .steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .brands-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .districts-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section {
        padding-top: 48px;
        padding-bottom: 48px;
    }
}

/* RESPONSIVE: CELULARES */

@media (max-width: 520px) {
    .site-header {
        min-height: 72px;
    }

    .site-header img {
        width: 145px;
    }

    .hero {
        padding: 52px 20px 56px;

        /* Ajusta el encuadre de la imagen en celular */
        background-position: 58% center;
    }

    .hero h1 {
        letter-spacing: -0.5px;
    }

    .hero__actions {
        flex-direction: column;
        align-items: stretch;
        max-width: 360px;
        margin: 0 auto;
    }

    .button {
        width: 100%;
        min-height: 52px;
    }

    .benefits-grid,
    .services-grid,
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .brands-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .brand-card {
        min-height: 95px;
        padding: 12px;
    }

    .brand-card img {
        height: 58px;
    }

    .districts-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .benefit-card,
    .service-card,
    .step-card {
        padding: 22px 18px;
    }
}

/* RESPETAR PREFERENCIAS DE MOVIMIENTO */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}