/* layout.css — Estructura común a todas las páginas:
   barra superior, header + menú móvil, contenedores, CTA del footer, footer y WhatsApp flotante. */

/* ---------- Barra superior ---------- */
.topbar {
    background: var(--sky);
    color: var(--white);
    font-size: 0.85rem;
}

.topbar__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.45rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.topbar__whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s;
}

.topbar__whatsapp:hover {
    opacity: 0.85;
}

.topbar__slogan {
    opacity: 0.9;
}

/* ---------- Header ---------- */
.site-header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s;
}

/* Se activa con JS al hacer scroll */
.site-header.is-scrolled {
    box-shadow: var(--shadow);
}

.site-header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.9rem 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    transition: padding 0.3s;
}

.site-header.is-scrolled .site-header__inner {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.site-header__logo img {
    height: 48px;
    width: auto;
    display: block;
    transition: height 0.3s;
}

.site-header.is-scrolled .site-header__logo img {
    height: 40px;
}

/* ---------- Navegación ---------- */
.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    gap: 2rem;
}

.site-nav__list {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    margin: 0;
    padding: 0;
}

.site-nav__list li {
    margin: 10px 0;
}

.site-nav__link {
    display: block;
    padding: 0.5rem 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
}

.site-nav__link:hover {
    background: rgba(0, 102, 255, 0.08);
    color: var(--primary-light);
}

/* Página actual */
.site-nav__link.is-active {
    color: var(--primary-light);
    font-weight: 600;
    position: relative;
}

.site-nav__link.is-active::after {
    content: '';
    position: absolute;
    left: 0.9rem;
    right: 0.9rem;
    bottom: 4px;
    height: 2px;
    background: var(--primary-light);
    border-radius: 2px;
}

/* Botón de venta */
.site-header__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--accent-orange);
    color: var(--white);
    font-weight: 700;
    text-decoration: none;
    border-radius: 999px;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}

.site-header__cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(255, 107, 53, 0.4);
}

/* Botón hamburguesa (oculto en escritorio) */
.site-header__toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    margin-left: auto;
}

.site-header__toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--primary-blue);
    border-radius: 3px;
    transition: transform 0.3s, opacity 0.3s;
}

/* Animación ☰ → ✕ */
.site-header__toggle.is-open span:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
}

.site-header__toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.site-header__toggle.is-open span:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
}

/* ---------- Contenedor de sección ---------- */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ---------- CTA del footer ---------- */
.footer-cta {
    margin-top: 3rem;
    background: var(--primary-blue);
    padding: 3rem 0;
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 3rem 0 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin: 10px 0;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: block;
    padding: 0.25rem 0;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ---------- WhatsApp flotante ---------- */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.whatsapp-float img {
    width: 36px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 968px) {
    /* Barra superior: solo el WhatsApp, centrado */
    .topbar__inner {
        justify-content: center;
        padding: 0.4rem 1rem;
    }

    .topbar__slogan {
        display: none;
    }

    .site-header__inner {
        padding: 0.75rem 1rem;
        gap: 1rem;
    }

    .site-header__toggle {
        display: flex;
    }

    /* Menú desplegable */
    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--white);
        padding: 0.5rem 1rem 1.25rem;
        border-bottom: 3px solid var(--primary-light);
        border-radius: 0 0 14px 14px;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
    }

    .site-nav.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .site-nav__list {
        flex-direction: column;
        gap: 0;
    }

    .site-nav__link {
        padding: 0.85rem 0.5rem;
        border-bottom: 1px solid var(--light-gray);
        border-radius: 0;
    }

    .site-nav__link.is-active::after {
        display: none;
    }

    .site-nav__link.is-active {
        border-left: 3px solid var(--primary-light);
        padding-left: 0.75rem;
    }

    .site-header__cta {
        justify-content: center;
        margin-top: 1rem;
    }

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

@media (max-width: 640px) {
    .cta-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 2rem auto 0;
    }

    .cta-buttons a {
        width: 100%;
    }

    .footer-grid {
        gap: 2rem 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .site-header__logo img {
        height: 40px;
    }

    .section-container {
        padding: 0 1rem;
    }
}

/* ---------- Impresión ---------- */
@media print {
    .topbar,
    .site-header,
    .footer-cta,
    .footer,
    .whatsapp-float {
        display: none;
    }
}