/*
Theme Name: mixturas-crecienta
Author: Crecienta
Description: Tema custom para Mixturas Obras y Servicios. Empresa de Construcción.
Version: 1.0.0
*/

/* ============================================================
   BASE / LAYOUT
   ============================================================ */
.mx-container { width: 100%; max-width: var(--mx-container); margin-inline: auto; padding-inline: 1.5rem; }
.mx-main { overflow: clip; }

.mx-skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 999;
    background: var(--mx-navy-800); color: #fff; padding: 0.75rem 1.25rem; border-radius: 0 0 8px 0;
}
.mx-skip-link:focus { left: 0; }

/* Eyebrow / encabezados de sección */
.mx-eyebrow {
    display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--mx-fuente-titulo);
    font-size: var(--mx-fs-sm); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--mx-amber-600); margin-bottom: 0.9rem;
}
.mx-eyebrow::before { content: ''; width: 28px; height: 2px; border-radius: 2px; background: currentColor; }
.mx-section-head--center .mx-eyebrow { justify-content: center; }
.mx-eyebrow--light { color: var(--mx-amber-400); }

.mx-section-head { max-width: 640px; margin-bottom: clamp(2.5rem, 5vw, 3.5rem); }
.mx-section-head--center { margin-inline: auto; text-align: center; }
.mx-section-title { font-size: var(--mx-fs-4xl); margin-bottom: 0.75rem; }
.mx-section-sub { font-size: var(--mx-fs-lg); color: var(--mx-color-texto-suave); }

/* ============================================================
   BOTONES
   ============================================================ */
.mx-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
    font-family: var(--mx-fuente-titulo); font-weight: 600; font-size: var(--mx-fs-base);
    line-height: 1; text-align: center; white-space: nowrap;
    padding: 0.9rem 1.6rem; border-radius: var(--mx-radius-full);
    transition: transform var(--mx-transition-fast), box-shadow var(--mx-transition-fast), background-color var(--mx-transition-fast), color var(--mx-transition-fast);
    will-change: transform;
}
.mx-btn svg { width: 1.1em; height: 1.1em; }
.mx-btn:hover { transform: translateY(-2px); }
.mx-btn:active { transform: translateY(0); }

.mx-btn--lg { padding: 1.05rem 2rem; font-size: var(--mx-fs-lg); }
.mx-btn--block { width: 100%; }

.mx-btn--amber { background: var(--mx-grad-amber); color: var(--mx-navy-900); box-shadow: var(--mx-shadow-amber); }
.mx-btn--amber:hover { box-shadow: 0 16px 38px -8px rgba(245,158,11,0.6); }

.mx-btn--navy { background: var(--mx-navy-800); color: #fff; }
.mx-btn--navy:hover { background: var(--mx-navy-700); box-shadow: var(--mx-shadow-lg); }

.mx-btn--ghost { background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.3); backdrop-filter: blur(6px); }
.mx-btn--ghost:hover { background: rgba(255,255,255,0.16); }

.mx-btn--ghost-navy { background: transparent; color: var(--mx-navy-800); border: 1px solid var(--mx-color-borde); }
.mx-btn--ghost-navy:hover { border-color: var(--mx-navy-800); }

.mx-btn--outline-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.4); }
.mx-btn--outline-light:hover { background: rgba(255,255,255,0.1); }

.mx-btn--wa { background: #25D366; color: #fff; }
.mx-btn--wa:hover { background: #1eb457; }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.mx-header {
    position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--mx-header-h);
    display: flex; align-items: center;
    background: #ffffff;
    box-shadow: 0 2px 16px rgba(10,23,48,0.08);
    border-bottom: 1px solid var(--mx-slate-200);
    transition: background-color var(--mx-transition), box-shadow var(--mx-transition);
}
.mx-header__inner {
    width: 100%; max-width: var(--mx-container-wide); margin-inline: auto;
    padding-inline: 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.mx-header.is-scrolled {
    background: #ffffff;
    box-shadow: 0 4px 20px rgba(10,23,48,0.12);
}
body { padding-top: 0; }

/* Logo — más grande y transparente en el header */
.mx-logo { display: inline-flex; align-items: center; gap: 0.7rem; }
.mx-logo__img {
    height: 66px;
    width: auto;
    object-fit: contain;
    display: block;
    transition: transform var(--mx-transition-fast);
}
.mx-logo:hover .mx-logo__img {
    transform: scale(1.03);
}

.mx-footer .mx-logo__img {
    height: 56px;
    background: #ffffff;
    padding: 6px 14px;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.25);
}

/* Nav */
.mx-nav { display: flex; align-items: center; gap: 2rem; }
.mx-nav__list { display: flex; align-items: center; gap: 1.75rem; }
.mx-nav__link {
    position: relative; font-family: var(--mx-fuente-titulo); font-weight: 600; font-size: 1.05rem;
    color: var(--mx-navy-800); padding: 0.4rem 0; transition: all var(--mx-transition-fast);
    text-shadow: none; display: inline-block;
}
.mx-header.is-scrolled .mx-nav__link { color: var(--mx-navy-800); text-shadow: none; }
.mx-nav__link::after {
    content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
    background: var(--mx-amber-500); transition: width var(--mx-transition);
}
.mx-nav__link:hover::after, .mx-nav__link.current-menu-item::after { width: 100%; }
.mx-nav__link:hover { color: var(--mx-amber-600); transform: translateY(-1px); }

.mx-burger { display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px; align-items: center; justify-content: center; }
.mx-burger span { display: block; width: 24px; height: 2px; background: var(--mx-navy-800); border-radius: 2px; transition: transform var(--mx-transition), opacity var(--mx-transition-fast), background-color var(--mx-transition); }
.mx-header.is-scrolled .mx-burger span { background: var(--mx-navy-800); }
.mx-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mx-burger.is-open span:nth-child(2) { opacity: 0; }
.mx-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
    .mx-burger { display: flex; }
    .mx-nav {
        position: fixed; inset: var(--mx-header-h) 0 auto 0;
        flex-direction: column; gap: 1.25rem; align-items: stretch;
        background: rgba(10,23,48,0.97); backdrop-filter: blur(16px);
        padding: 2rem 1.5rem 2.5rem;
        transform: translateY(-120%); transition: transform var(--mx-transition);
        max-height: calc(100vh - var(--mx-header-h)); overflow-y: auto;
    }
    .mx-nav.is-open { transform: translateY(0); }
    .mx-nav__list { flex-direction: column; align-items: stretch; gap: 0.25rem; }
    .mx-nav__link, .mx-header.is-scrolled .mx-nav__link { color: #fff; font-size: 1.1rem; padding: 0.85rem 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
    .mx-nav__cta { margin-top: 0.75rem; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.mx-footer { background: var(--mx-navy-900); color: var(--mx-slate-300); }
.mx-footer__cta { background: var(--mx-grad-navy); border-bottom: 1px solid rgba(255,255,255,0.08); }
.mx-footer__cta-inner {
    display: flex; align-items: center; justify-content: space-between; gap: 2rem;
    padding-block: clamp(2.5rem, 5vw, 3.5rem); flex-wrap: wrap;
}
.mx-footer__cta h2 { color: #fff; font-size: var(--mx-fs-3xl); }
.mx-footer__cta p { color: var(--mx-slate-300); margin-top: 0.35rem; }

.mx-footer__grid {
    display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 2.5rem;
    padding-block: clamp(3rem, 6vw, 4.5rem);
}
.mx-footer__tagline { margin: 1.1rem 0; font-size: 0.95rem; max-width: 34ch; }
.mx-footer__ig { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--mx-amber-400); font-weight: 500; transition: color var(--mx-transition-fast); }
.mx-footer__ig:hover { color: var(--mx-amber-300); }
.mx-footer__col h3 { color: #fff; font-size: 1.05rem; margin-bottom: 1.1rem; }
.mx-footer__col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.mx-footer__col a { color: var(--mx-slate-300); transition: color var(--mx-transition-fast); }
.mx-footer__col a:hover { color: var(--mx-amber-400); }
.mx-footer__contact li { display: flex; align-items: flex-start; gap: 0.7rem; }
.mx-footer__contact svg { color: var(--mx-amber-400); flex-shrink: 0; margin-top: 2px; }
.mx-footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); }
.mx-footer__bottom-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: 1.5rem; font-size: 0.85rem; color: var(--mx-slate-400); }

@media (max-width: 900px) {
    .mx-footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .mx-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
    .mx-footer__grid { grid-template-columns: 1fr; }
    .mx-footer__cta-inner { flex-direction: column; align-items: flex-start; }
}

/* WhatsApp flotante */
.mx-wa-float {
    position: fixed; right: 20px; bottom: 20px; z-index: 90;
    width: 58px; height: 58px; border-radius: 50%;
    display: grid; place-items: center; color: #fff; background: #25D366;
    box-shadow: 0 12px 28px -6px rgba(37,211,102,0.6);
    transition: transform var(--mx-transition);
    animation: mx-wa-pulse 2.6s infinite;
}
.mx-wa-float:hover { transform: scale(1.08); }
@keyframes mx-wa-pulse {
    0%, 100% { box-shadow: 0 12px 28px -6px rgba(37,211,102,0.55), 0 0 0 0 rgba(37,211,102,0.4); }
    50% { box-shadow: 0 12px 28px -6px rgba(37,211,102,0.55), 0 0 0 14px rgba(37,211,102,0); }
}

/* ============================================================
   PÁGINAS GENÉRICAS
   ============================================================ */
.mx-page { padding-block: calc(var(--mx-header-h) + 3rem) 4rem; }
.mx-page__title { font-size: var(--mx-fs-4xl); margin-bottom: 1.5rem; }
.mx-page__content { max-width: 720px; }
.mx-page__content p { margin-bottom: 1rem; }

/* Reveal on scroll */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--mx-ease), transform 0.7s var(--mx-ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* Stagger: los hijos de una grilla revelada entran en secuencia */
[data-reveal] .mx-servicios__grid > *,
[data-reveal] .mx-proceso__grid > *,
[data-reveal] .mx-portfolio__grid > * {
    opacity: 0; transform: translateY(22px);
    transition: opacity 0.6s var(--mx-ease), transform 0.6s var(--mx-ease);
}
[data-reveal].is-visible .mx-servicios__grid > *,
[data-reveal].is-visible .mx-proceso__grid > *,
[data-reveal].is-visible .mx-portfolio__grid > * { opacity: 1; transform: none; }
[data-reveal].is-visible .mx-servicios__grid > *:nth-child(2),
[data-reveal].is-visible .mx-proceso__grid > *:nth-child(2),
[data-reveal].is-visible .mx-portfolio__grid > *:nth-child(2) { transition-delay: 0.08s; }
[data-reveal].is-visible .mx-servicios__grid > *:nth-child(3),
[data-reveal].is-visible .mx-proceso__grid > *:nth-child(3),
[data-reveal].is-visible .mx-portfolio__grid > *:nth-child(3) { transition-delay: 0.16s; }
[data-reveal].is-visible .mx-servicios__grid > *:nth-child(4),
[data-reveal].is-visible .mx-proceso__grid > *:nth-child(4),
[data-reveal].is-visible .mx-portfolio__grid > *:nth-child(4) { transition-delay: 0.24s; }
[data-reveal].is-visible .mx-servicios__grid > *:nth-child(5),
[data-reveal].is-visible .mx-portfolio__grid > *:nth-child(5) { transition-delay: 0.32s; }
[data-reveal].is-visible .mx-servicios__grid > *:nth-child(6),
[data-reveal].is-visible .mx-portfolio__grid > *:nth-child(6) { transition-delay: 0.40s; }
[data-reveal].is-visible .mx-servicios__grid > *:nth-child(n+7) { transition-delay: 0.48s; }

@media (prefers-reduced-motion: reduce) {
    [data-reveal], [data-reveal] .mx-servicios__grid > *,
    [data-reveal] .mx-proceso__grid > *, [data-reveal] .mx-portfolio__grid > * {
        opacity: 1; transform: none; transition: none;
    }
}