/*
Theme Name: Sergio Civiero Chapa y Pintura
Theme URI: https://sergiociviero.es
Author: Agente Digitalizador
Description: Tema Kit Digital para Sergio Civiero — Taller de Chapa y Pintura en San Miguel de Abona, Tenerife. WCAG 2.1 AA | Responsive | Autogestionable | Elementor compatible.
Version: 1.0.0
Requires at least: 6.3
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: sergiociviero
Tags: kit-digital, automocion, chapa, pintura, accesible, responsive, elementor
*/

/* ============================================
   VARIABLES — edita aquí para personalizar
   ============================================ */
:root {
    --c-dark:       #1a1a2e;   /* Carbón oscuro principal */
    --c-dark2:      #16213e;   /* Carbón secundario */
    --c-accent:     #c0392b;   /* Rojo corporativo */
    --c-accent-dk:  #962d22;   /* Rojo oscuro hover */
    --c-accent-lt:  #e74c3c;   /* Rojo claro */
    --c-light:      #f7f7f7;   /* Gris muy claro */
    --c-white:      #ffffff;
    --c-text:       #1a1a2e;
    --c-text-muted: #4a5568;
    --c-border:     #e0e0e0;
    --c-success:    #166534;
    --c-error:      #991b1b;

    --ff-display: 'Oswald', 'Barlow Condensed', sans-serif;
    --ff-body:    'Lato', 'Trebuchet MS', sans-serif;

    --radius:    6px;
    --radius-lg: 12px;
    --shadow:    0 4px 20px rgba(0,0,0,.10);
    --shadow-lg: 0 12px 40px rgba(0,0,0,.15);
    --trans:     .22s ease;
    --max-w:     1180px;
}

/* ============================================
   RESET BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--ff-body);
    color: var(--c-text);
    background: var(--c-white);
    line-height: 1.7;
}
img, svg { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ============================================
   ACCESIBILIDAD WCAG 2.1 AA
   ============================================ */

/* Skip link — WCAG 2.4.1 Bypass Blocks */
.skip-link {
    position: absolute; top: -200%; left: 1rem; z-index: 9999;
    padding: .75rem 1.5rem; background: var(--c-dark); color: #fff;
    font-weight: 700; text-decoration: none; border-radius: var(--radius);
    transition: top var(--trans);
}
.skip-link:focus { top: 1rem; }

/* Foco visible — WCAG 2.4.7 */
:focus-visible {
    outline: 3px solid var(--c-accent);
    outline-offset: 3px;
    border-radius: var(--radius);
}
:focus:not(:focus-visible) { outline: none; }

/* Texto solo para lectores de pantalla — WCAG */
.sr-only {
    position: absolute; width: 1px; height: 1px;
    overflow: hidden; clip: rect(1px,1px,1px,1px); white-space: nowrap;
}

/* Links base con contraste AA */
a { color: var(--c-accent); text-decoration: underline; text-underline-offset: 3px; }
a:hover, a:focus { color: var(--c-accent-dk); }

/* Movimiento reducido — WCAG 2.3.3 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   LAYOUT
   ============================================ */
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.site { display: flex; flex-direction: column; min-height: 100vh; }
#main { flex: 1; }

/* ============================================
   HEADER — sticky, con logo y menú responsive
   ============================================ */
.site-header {
    background: var(--c-dark);
    position: sticky; top: 0; z-index: 200;
    box-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.site-header__inner {
    display: flex; align-items: center;
    justify-content: space-between;
    padding: .85rem 1.5rem;
    max-width: var(--max-w); margin: 0 auto; gap: 1rem;
}
.site-branding a {
    display: flex; align-items: center; gap: .75rem;
    text-decoration: none; color: var(--c-white);
}
.site-branding a:hover { color: var(--c-white); }
.site-branding__icon {
    width: 42px; height: 42px; flex-shrink: 0;
    background: var(--c-accent);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; line-height: 1;
}
.site-branding__name {
    font-family: var(--ff-display);
    font-size: 1.4rem; font-weight: 700;
    letter-spacing: .03em; line-height: 1.1;
    color: var(--c-white);
    text-transform: uppercase;
}
.site-branding__sub {
    font-size: .68rem; letter-spacing: .1em;
    text-transform: uppercase; color: var(--c-accent);
    font-weight: 600; margin-top: 2px;
}

/* Menú principal */
.nav-main ul {
    display: flex; gap: .2rem;
    list-style: none; margin: 0; padding: 0;
}
.nav-main a {
    display: block; padding: .55rem 1rem;
    color: rgba(255,255,255,.85); text-decoration: none;
    font-weight: 600; font-size: .92rem; letter-spacing: .02em;
    border-radius: var(--radius);
    transition: background var(--trans), color var(--trans);
    min-height: 44px; display: flex; align-items: center;
}
.nav-main a:hover,
.nav-main a:focus,
.nav-main .current-menu-item > a,
.nav-main .current_page_item > a {
    background: rgba(192,57,43,.2);
    color: var(--c-accent);
}

/* Botón hamburguesa — móvil */
.menu-btn {
    display: none; background: transparent;
    border: 1.5px solid rgba(255,255,255,.4);
    color: #fff; padding: .5rem .75rem;
    border-radius: var(--radius); cursor: pointer;
    font-size: .9rem; align-items: center; gap: .4rem;
    min-height: 44px; min-width: 44px; justify-content: center;
}
.menu-btn:hover { border-color: var(--c-accent); color: var(--c-accent); }

/* ============================================
   BOTONES GLOBALES
   ============================================ */
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .8rem 1.75rem; border-radius: var(--radius);
    font-weight: 700; font-size: .95rem; text-decoration: none;
    cursor: pointer; border: 2px solid transparent;
    transition: background var(--trans), color var(--trans),
                border-color var(--trans), transform var(--trans), box-shadow var(--trans);
    min-height: 44px;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--primary {
    background: var(--c-accent); color: #fff;
    border-color: var(--c-accent);
}
.btn--primary:hover, .btn--primary:focus {
    background: var(--c-accent-dk); border-color: var(--c-accent-dk); color: #fff;
}
.btn--outline {
    background: transparent; color: #fff; border-color: rgba(255,255,255,.5);
}
.btn--outline:hover { border-color: #fff; background: rgba(255,255,255,.08); color: #fff; }
.btn--dark {
    background: var(--c-dark); color: #fff; border-color: var(--c-dark);
}
.btn--dark:hover { background: var(--c-dark2); border-color: var(--c-dark2); color: #fff; }

/* ============================================
   SECCIONES GENÉRICAS
   ============================================ */
.section { padding: 5rem 0; }
.section--alt { background: var(--c-light); }
.section--dark { background: var(--c-dark); color: #fff; }

.section__header { text-align: center; max-width: 680px; margin: 0 auto 3rem; }
.section__label {
    display: inline-block;
    font-size: .78rem; font-weight: 700; letter-spacing: .12em;
    text-transform: uppercase; color: var(--c-accent);
    margin-bottom: .6rem;
}
.section__title {
    font-family: var(--ff-display); font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700; color: var(--c-dark); line-height: 1.2;
    text-transform: uppercase; letter-spacing: .02em;
}
.section--dark .section__title { color: #fff; }
.section__desc { font-size: 1.05rem; color: var(--c-text-muted); margin-top: .75rem; }
.section--dark .section__desc { color: rgba(255,255,255,.72); }

/* Cabecera interna de página */
.page-hero {
    background: linear-gradient(150deg, var(--c-dark) 0%, var(--c-dark2) 100%);
    color: #fff; padding: 3.5rem 1.5rem;
    text-align: center;
    border-bottom: 4px solid var(--c-accent);
}
.page-hero__title {
    font-family: var(--ff-display); font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
}
.page-hero__bread {
    margin-top: .75rem; font-size: .9rem; color: rgba(255,255,255,.65);
}
.page-hero__bread a { color: var(--c-accent); text-decoration: none; }
.page-hero__bread a:hover { text-decoration: underline; }

/* ============================================
   TARJETAS DE SERVICIO
   ============================================ */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}
.servicio-card {
    background: var(--c-white); border: 1px solid var(--c-border);
    border-radius: var(--radius-lg); padding: 2rem;
    box-shadow: var(--shadow);
    transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
    position: relative; overflow: hidden;
}
.servicio-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--c-accent);
    transform: scaleY(0); transform-origin: bottom;
    transition: transform var(--trans);
}
.servicio-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c-accent); }
.servicio-card:hover::before { transform: scaleY(1); }
.servicio-card__icon {
    width: 54px; height: 54px;
    background: var(--c-dark);
    border-radius: var(--radius-lg); display: flex; align-items: center;
    justify-content: center; margin-bottom: 1.25rem; font-size: 1.6rem;
}
.servicio-card__title {
    font-family: var(--ff-display); font-size: 1.2rem;
    font-weight: 700; color: var(--c-dark); margin-bottom: .75rem;
    letter-spacing: .04em; text-transform: uppercase;
}
.servicio-card__desc { font-size: .95rem; color: var(--c-text-muted); line-height: 1.7; }

/* ============================================
   FORMULARIO DE CONTACTO — ACCESIBLE
   ============================================ */
.contact-grid {
    display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: start;
}
.contact-info__title {
    font-family: var(--ff-display); font-size: 1.6rem;
    color: var(--c-dark); font-weight: 700; margin-bottom: 1.25rem;
    text-transform: uppercase; letter-spacing: .04em;
}
.contact-info__item {
    display: flex; align-items: flex-start; gap: .85rem;
    margin-bottom: 1.25rem;
}
.contact-info__icon {
    width: 44px; height: 44px; flex-shrink: 0;
    background: var(--c-accent);
    border-radius: var(--radius); display: flex; align-items: center;
    justify-content: center; color: #fff; font-size: 1.1rem;
}
.contact-info__label {
    font-size: .8rem; text-transform: uppercase; letter-spacing: .08em;
    color: var(--c-text-muted); font-weight: 700;
}
.contact-info__value { font-size: 1rem; color: var(--c-text); margin-top: .15rem; }
.contact-info__value a { color: var(--c-accent); }

/* Formulario */
.contact-form {
    background: var(--c-white); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg); padding: 2.5rem;
    border-top: 4px solid var(--c-accent);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group--full { grid-column: 1 / -1; }
.form-group label {
    display: block; font-weight: 700; font-size: .88rem;
    color: var(--c-dark); margin-bottom: .45rem;
}
.required { color: var(--c-error); margin-left: .2rem; }
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: .75rem 1rem;
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius);
    font-family: var(--ff-body); font-size: .95rem;
    color: var(--c-text); background: var(--c-white);
    transition: border-color var(--trans), box-shadow var(--trans);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--c-accent);
    box-shadow: 0 0 0 3px rgba(192,57,43,.18);
    outline: none;
}
.form-group input[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] { border-color: var(--c-error); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-error { color: var(--c-error); font-size: .83rem; margin-top: .35rem; display: none; }
.form-error.visible { display: block; }

/* Checkbox LOPD */
.form-check {
    display: flex; align-items: flex-start; gap: .65rem;
    margin-bottom: 1.5rem; font-size: .88rem;
}
.form-check input[type="checkbox"] {
    width: 1.1rem; height: 1.1rem; flex-shrink: 0; margin-top: .15rem;
    accent-color: var(--c-accent); cursor: pointer;
}
.form-check a { color: var(--c-accent); }

/* Mensaje resultado */
.form-result {
    padding: 1rem 1.25rem; border-radius: var(--radius);
    font-weight: 600; font-size: .95rem;
    display: none; margin-bottom: 1rem;
}
.form-result.success { background: #dcfce7; color: var(--c-success); border: 1px solid #86efac; display: block; }
.form-result.error   { background: #fee2e2; color: var(--c-error);   border: 1px solid #fca5a5; display: block; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--c-dark); color: rgba(255,255,255,.75);
    padding: 3.5rem 0 1.5rem;
}
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem;
    margin-bottom: 3rem;
}
.footer-brand__name {
    font-family: var(--ff-display); font-size: 1.4rem;
    color: #fff; font-weight: 700; margin-bottom: .4rem;
    text-transform: uppercase; letter-spacing: .04em;
}
.footer-brand__sub { font-size: .72rem; color: var(--c-accent); letter-spacing: .1em; text-transform: uppercase; }
.footer-brand__desc { font-size: .88rem; margin-top: 1rem; line-height: 1.7; }
.footer-col__title {
    font-size: .8rem; font-weight: 700; letter-spacing: .12em;
    text-transform: uppercase; color: var(--c-accent); margin-bottom: 1rem;
}
.footer-col ul li { margin-bottom: .5rem; }
.footer-col a { color: rgba(255,255,255,.7); text-decoration: none; font-size: .9rem; transition: color var(--trans); }
.footer-col a:hover { color: var(--c-accent); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding-top: 1.5rem;
    display: flex; justify-content: space-between;
    align-items: center; flex-wrap: wrap; gap: 1rem;
    font-size: .82rem;
}
.footer-bottom a { color: rgba(255,255,255,.6); text-decoration: none; }
.footer-bottom a:hover { color: var(--c-accent); }

/* ============================================
   RESPONSIVE — Móvil, Tablet, PC (Kit Digital)
   Obligatorio: teléfono móvil, PC y Tablet
   ============================================ */

/* Tablet — hasta 900px */
@media (max-width: 900px) {
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid  { grid-template-columns: 1fr 1fr; }
    .form-row     { grid-template-columns: 1fr; }
}

/* Móvil — hasta 640px */
@media (max-width: 640px) {
    /* Menú hamburguesa */
    .menu-btn { display: flex; }
    .nav-main {
        display: none; position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--c-dark);
        padding: 1rem;
        border-top: 2px solid var(--c-accent);
        box-shadow: 0 8px 20px rgba(0,0,0,.3);
    }
    .nav-main.open { display: block; }
    .nav-main ul { flex-direction: column; gap: 0; }
    .nav-main a {
        padding: .85rem 1rem; border-radius: 0;
        border-bottom: 1px solid rgba(255,255,255,.07);
    }

    .section { padding: 3.5rem 0; }
    .contact-form { padding: 1.75rem; }
    .footer-grid  { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .kitdigital-banner__logos { flex-wrap: wrap; justify-content: center; }

    /* Área táctil mínima 44×44px — WCAG 2.5.5 */
    .btn    { min-height: 44px; }
    .nav-main a { min-height: 44px; display: flex; align-items: center; }
}