/* ==========================================================================
   Mallas Industriales de Monclova — hoja de estilos principal
   Paleta basada en la marca: azul logo, negro, blanco, amarillo industrial
   ========================================================================== */

:root {
    --color-primary:        #0b3a8e;
    --color-primary-dark:   #082863;
    --color-primary-light:  #1d5fc2;
    --color-accent:         #f5a623;
    --color-accent-dark:    #d98e10;
    --color-ink:            #0a0e1a;
    --color-ink-soft:       #1f2433;
    --color-text:           #2a2f3d;
    --color-muted:          #6b7280;
    --color-line:           #e5e7eb;
    --color-bg:             #ffffff;
    --color-bg-alt:         #f6f8fb;
    --color-bg-dark:        #0a0e1a;

    --radius-sm:  6px;
    --radius:     12px;
    --radius-lg:  20px;
    --shadow-sm:  0 1px 3px rgba(10, 14, 26, 0.08);
    --shadow:     0 10px 30px -10px rgba(10, 14, 26, 0.18);
    --shadow-lg:  0 25px 60px -20px rgba(10, 14, 26, 0.35);

    --header-h:   84px;
    --header-h-scrolled: 68px;

    --t-fast: 180ms cubic-bezier(.4, 0, .2, 1);
    --t-med:  320ms cubic-bezier(.4, 0, .2, 1);
    --t-slow: 600ms cubic-bezier(.16, 1, .3, 1);
}

/* ─── Reset ligero y base ─── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
    font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: var(--header-h);
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--color-ink);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

h1 { font-size: clamp(2.25rem, 4.5vw + 1rem, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 2.5vw + 1rem, 2.75rem); }
h3 { font-size: clamp(1.25rem, 1vw + 1rem, 1.75rem); }

a { color: var(--color-primary); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--color-primary-dark); }

.skip-link {
    position: absolute; top: -100px; left: 1rem; z-index: 9999;
    background: var(--color-ink); color: #fff;
    padding: 0.75rem 1.25rem; border-radius: var(--radius-sm);
    transition: top var(--t-med);
}
.skip-link:focus { top: 1rem; color: #fff; }

/* ─── Botones ─── */
.btn {
    font-weight: 600;
    border-radius: var(--radius-sm);
    padding: 0.7rem 1.5rem;
    transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
    border: 2px solid transparent;
    letter-spacing: 0.01em;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
}

.btn-accent {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-ink);
}
.btn-accent:hover, .btn-accent:focus {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-ink);
}

.btn-outline-light {
    background: transparent;
    border-color: rgba(255,255,255,.6);
    color: #fff;
}
.btn-outline-light:hover, .btn-outline-light:focus {
    background: #fff; color: var(--color-primary); border-color: #fff;
}

.btn-lg { padding: 0.9rem 2rem; font-size: 1.05rem; }

/* ─── Cabecera y navegación ─── */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1030;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: saturate(140%) blur(10px);
    -webkit-backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid transparent;
    transition: box-shadow var(--t-med), background var(--t-med), border-color var(--t-med);
}
.site-header.scrolled {
    box-shadow: 0 6px 24px -12px rgba(10, 14, 26, 0.18);
    border-bottom-color: var(--color-line);
}
.site-header .navbar { padding: 0.85rem 0; }

.navbar-brand { display: flex; align-items: center; gap: 0.75rem; padding: 0; }
.brand-logo {
    height: 52px; width: auto;
    transition: height var(--t-med);
}
.site-header.scrolled .brand-logo { height: 44px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name {
    font-weight: 800; font-size: 1.05rem;
    color: var(--color-ink); letter-spacing: -0.01em;
}
.brand-sub {
    font-size: 0.78rem; font-weight: 500;
    color: var(--color-primary);
    text-transform: uppercase; letter-spacing: 0.08em;
}
@media (max-width: 480px) {
    .brand-text { display: none; }
}

.navbar-toggler { border: 0; padding: 0.4rem; box-shadow: none !important; }
.hamburger {
    width: 28px; height: 22px;
    display: inline-flex; flex-direction: column; justify-content: space-between;
}
.hamburger span {
    width: 100%; height: 3px; background: var(--color-ink);
    border-radius: 2px;
    transition: transform var(--t-med), opacity var(--t-med);
}
.navbar-toggler:not(.collapsed) .hamburger span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.navbar-toggler:not(.collapsed) .hamburger span:nth-child(2) { opacity: 0; }
.navbar-toggler:not(.collapsed) .hamburger span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

.navbar-nav .nav-link {
    color: var(--color-ink-soft);
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    position: relative;
}
.navbar-nav .nav-link::after {
    content: ''; position: absolute; left: 1rem; right: 1rem; bottom: 0.15rem;
    height: 2px; background: var(--color-primary);
    transform: scaleX(0); transform-origin: center;
    transition: transform var(--t-med);
}
.navbar-nav .nav-link:hover { color: var(--color-primary); }
.navbar-nav .nav-link.active { color: var(--color-primary); }
.navbar-nav .nav-link.active::after,
.navbar-nav .nav-link:hover::after { transform: scaleX(1); }

.btn-cotizar { display: inline-flex; align-items: center; gap: 0.5rem; }
.btn-cotizar .fa-whatsapp { font-size: 1.15rem; }

@media (max-width: 991.98px) {
    .navbar-collapse {
        margin-top: 0.75rem; padding: 1rem 0;
        border-top: 1px solid var(--color-line);
    }
    .navbar-nav .nav-link::after { display: none; }
    .navbar-nav .nav-item { border-bottom: 1px solid var(--color-line); }
    .navbar-nav .nav-item:last-child { border-bottom: 0; padding-top: 0.75rem; }
    .btn-cotizar { width: 100%; justify-content: center; }
}

/* ─── Sección hero ─── */
.hero {
    position: relative;
    padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 8vw, 6rem);
    color: #fff;
    overflow: hidden;
    background: linear-gradient(135deg, #051535 0%, #0b3a8e 60%, #1d5fc2 100%);
}
.hero::before {
    /* Patrón geométrico tipo malla */
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%, transparent 50%, rgba(255,255,255,0.05) 50%, rgba(255,255,255,0.05) 75%, transparent 75%, transparent),
        linear-gradient(-45deg, rgba(255,255,255,0.05) 25%, transparent 25%, transparent 50%, rgba(255,255,255,0.05) 50%, rgba(255,255,255,0.05) 75%, transparent 75%, transparent);
    background-size: 40px 40px;
    opacity: 0.6;
    pointer-events: none;
}
.hero::after {
    /* Resplandor inferior */
    content: '';
    position: absolute; left: -20%; right: -20%; bottom: -60%;
    height: 80%;
    background: radial-gradient(ellipse at center top, rgba(245, 166, 35, 0.18), transparent 70%);
    pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }

.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 999px;
    padding: 0.35rem 0.95rem;
    font-size: 0.8rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
}
.hero-eyebrow .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 0 0 rgba(245, 166, 35, 0.7);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(245,166,35,0.7); }
    70% { box-shadow: 0 0 0 10px rgba(245,166,35,0); }
    100% { box-shadow: 0 0 0 0 rgba(245,166,35,0); }
}

.hero h1 { color: #fff; margin-bottom: 1.25rem; }
.hero h1 .accent { color: var(--color-accent); }
.hero-lead {
    font-size: clamp(1.05rem, 0.5vw + 1rem, 1.25rem);
    color: rgba(255,255,255,0.85);
    max-width: 38rem;
    margin-bottom: 2rem;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats {
    display: grid; gap: 1rem;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 3rem;
    max-width: 540px;
}
.hero-stat {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    backdrop-filter: blur(6px);
}
.hero-stat strong {
    display: block;
    font-size: 1.5rem; font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}
.hero-stat span {
    display: block;
    font-size: 0.78rem; color: rgba(255,255,255,0.78);
    margin-top: 0.35rem; letter-spacing: 0.04em;
}

/* Visual decorativo del hero — escena con mallas en SVG */
.hero-visual {
    position: relative;
    aspect-ratio: 1 / 1;
    max-width: 480px;
    margin-left: auto;
}
.hero-visual .visual-card {
    position: absolute;
    background: rgba(255,255,255,0.95);
    color: var(--color-ink);
    padding: 1rem 1.2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex; align-items: center; gap: 0.85rem;
    font-weight: 600;
    font-size: 0.92rem;
    animation: float 6s ease-in-out infinite;
}
.hero-visual .visual-card i {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: var(--color-primary);
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1rem;
}
.hero-visual .visual-card.card-1 { top: 8%;   left: 0; animation-delay: 0s; }
.hero-visual .visual-card.card-2 { top: 50%;  right: 0; animation-delay: -2s; }
.hero-visual .visual-card.card-3 { bottom: 5%; left: 12%; animation-delay: -4s; }
.hero-visual svg {
    width: 100%; height: 100%;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-12px); }
}
@media (max-width: 991.98px) {
    .hero-visual { margin: 3rem auto 0; max-width: 380px; }
}
@media (max-width: 480px) {
    .hero-stats { grid-template-columns: 1fr; max-width: none; }
    .hero-visual { display: none; }
}

/* ─── Secciones genéricas ─── */
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section.section-alt { background: var(--color-bg-alt); }
.section.section-dark { background: var(--color-bg-dark); color: #d3d8e6; }
.section.section-dark h2, .section.section-dark h3 { color: #fff; }

.section-eyebrow {
    color: var(--color-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    display: inline-block;
}
.section-title {
    margin-bottom: 1rem;
}
.section-lead {
    color: var(--color-muted);
    font-size: 1.1rem;
    max-width: 38rem;
}
.section-header { margin-bottom: 3rem; }
.section-header.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-header.center .section-lead { margin-left: auto; margin-right: auto; }

/* ─── Tarjetas de servicios ─── */
.service-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.service-card {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    padding: 2rem 1.75rem;
    transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0); transform-origin: left;
    transition: transform var(--t-med);
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
    width: 64px; height: 64px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 10px 24px -10px rgba(11, 58, 142, 0.45);
}
.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}
.service-card p {
    color: var(--color-muted);
    margin-bottom: 1.25rem;
}
.service-card .service-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-weight: 600; font-size: 0.95rem;
}
.service-card .service-link i {
    transition: transform var(--t-fast);
}
.service-card .service-link:hover i { transform: translateX(4px); }

/* ─── Tarjetas de características ─── */
.feature-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.feature-item {
    text-align: center;
    padding: 1.5rem 1rem;
}
.feature-item .feature-icon {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: rgba(11, 58, 142, 0.08);
    color: var(--color-primary);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1rem;
    transition: transform var(--t-med);
}
.feature-item:hover .feature-icon {
    transform: scale(1.05) rotate(-4deg);
    background: var(--color-primary);
    color: #fff;
}
.feature-item h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.feature-item p { color: var(--color-muted); font-size: 0.95rem; }

/* ─── Servicio detallado (servicios.php) ─── */
.service-block {
    padding: clamp(3rem, 6vw, 5rem) 0;
}
.service-block.alt { background: var(--color-bg-alt); }
.service-block .service-detail-icon {
    width: 84px; height: 84px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 14px 28px -12px rgba(11,58,142,.5);
}
.service-block h2 .accent { color: var(--color-primary); }
.service-features {
    list-style: none; padding: 0; margin: 1.5rem 0;
}
.service-features li {
    padding: 0.65rem 0 0.65rem 2rem;
    position: relative;
    border-bottom: 1px solid var(--color-line);
}
.service-features li:last-child { border-bottom: 0; }
.service-features li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute; left: 0; top: 0.7rem;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: rgba(11,58,142,.08);
    color: var(--color-primary);
    font-size: 0.75rem;
    display: inline-flex; align-items: center; justify-content: center;
}

.service-illustration {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.5);
}
.service-illustration svg { width: 70%; height: 70%; }
.service-illustration .badge-tag {
    position: absolute; top: 1.5rem; left: 1.5rem;
    background: var(--color-accent);
    color: var(--color-ink);
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8rem; font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ─── Galería ─── */
.gallery-filters {
    display: flex; flex-wrap: wrap; gap: 0.5rem;
    margin-bottom: 2rem;
    justify-content: center;
}
.gallery-filter {
    background: #fff;
    border: 1px solid var(--color-line);
    color: var(--color-text);
    padding: 0.55rem 1.25rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--t-fast);
}
.gallery-filter:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.gallery-filter.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.gallery-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}
.gallery-item {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    background: var(--color-bg-alt);
    transition: transform var(--t-med);
}
.gallery-item:hover { transform: scale(1.02); }
.gallery-item img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform var(--t-slow);
}
.gallery-item:hover img { transform: scale(1.08); }

.gallery-item .gallery-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(10,14,26,.85) 0%, rgba(10,14,26,.1) 50%, transparent 100%);
    opacity: 0; transition: opacity var(--t-med);
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 1.25rem; color: #fff;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-item .gallery-overlay h4 {
    color: #fff; font-size: 1rem; margin: 0 0 0.25rem;
}
.gallery-item .gallery-overlay span {
    font-size: 0.78rem; color: rgba(255,255,255,.75);
    text-transform: uppercase; letter-spacing: 0.08em;
}
.gallery-item .zoom-icon {
    position: absolute; top: 1rem; right: 1rem;
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,.95); color: var(--color-primary);
    display: inline-flex; align-items: center; justify-content: center;
    opacity: 0; transform: scale(.7); transition: all var(--t-med);
}
.gallery-item:hover .zoom-icon { opacity: 1; transform: scale(1); }

.gallery-category {
    margin-bottom: 4rem;
}
.gallery-category .category-header {
    display: flex; align-items: baseline; justify-content: space-between;
    flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.5rem;
    padding-bottom: 1rem; border-bottom: 2px solid var(--color-line);
}
.gallery-category .category-header h3 { margin: 0; }
.gallery-category .category-count {
    color: var(--color-muted);
    font-size: 0.95rem;
}

.gallery-empty {
    grid-column: 1 / -1;
    background: var(--color-bg-alt);
    border: 2px dashed var(--color-line);
    border-radius: var(--radius);
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--color-muted);
}
.gallery-empty i { font-size: 2.5rem; color: var(--color-line); margin-bottom: 1rem; display: block; }

/* Lightbox */
.lightbox {
    position: fixed; inset: 0;
    background: rgba(10, 14, 26, 0.95);
    z-index: 1100;
    display: none; align-items: center; justify-content: center;
    padding: 2rem;
}
.lightbox.open { display: flex; animation: fadeIn .3s ease; }
.lightbox img {
    max-width: 92vw; max-height: 85vh;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}
.lightbox-close, .lightbox-prev, .lightbox-next {
    position: absolute; width: 48px; height: 48px;
    border-radius: 50%; border: 0;
    background: rgba(255,255,255,0.1); color: #fff;
    font-size: 1.2rem; cursor: pointer;
    transition: background var(--t-fast), transform var(--t-fast);
    display: inline-flex; align-items: center; justify-content: center;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover {
    background: rgba(255,255,255,.2);
}
.lightbox-close { top: 1.5rem; right: 1.5rem; }
.lightbox-prev  { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next  { right: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-counter {
    position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
    color: #fff; font-weight: 600; font-size: 0.9rem;
    background: rgba(255,255,255,.1); padding: 0.4rem 1rem; border-radius: 999px;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ─── CTA bandera ─── */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
    padding: clamp(3rem, 6vw, 5rem) 0;
}
.cta-banner::before {
    content: '';
    position: absolute; right: -10%; top: -50%;
    width: 60%; height: 200%;
    background: radial-gradient(circle at center, rgba(245,166,35,.25), transparent 60%);
}
.cta-banner h2 { color: #fff; }
.cta-banner .cta-content { position: relative; z-index: 2; }

/* ─── Formulario de contacto ─── */
.contact-grid { display: grid; gap: 2rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 991.98px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    padding: 2rem;
}
.contact-info-list {
    list-style: none; padding: 0; margin: 0;
}
.contact-info-list li {
    display: flex; gap: 1rem; align-items: flex-start;
    padding: 1rem 0; border-bottom: 1px solid var(--color-line);
}
.contact-info-list li:last-child { border-bottom: 0; }
.contact-info-list .info-icon {
    width: 44px; height: 44px;
    flex-shrink: 0;
    border-radius: 10px;
    background: rgba(11,58,142,.1);
    color: var(--color-primary);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
}
.contact-info-list .info-label {
    font-size: 0.78rem;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 0.2rem;
}
.contact-info-list .info-value {
    font-weight: 600;
    color: var(--color-ink);
    text-decoration: none;
}
.contact-info-list .info-value:hover { color: var(--color-primary); }

.form-control, .form-select {
    border: 2px solid var(--color-line);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-control:focus, .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(11, 58, 142, 0.1);
}
.form-label {
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 0.4rem;
}
.form-text { color: var(--color-muted); font-size: 0.85rem; }

.honeypot {
    position: absolute; left: -10000px; top: auto;
    width: 1px; height: 1px; overflow: hidden;
}

.alert-success-custom {
    background: #ecfdf5;
    border: 1px solid #6ee7b7;
    color: #065f46;
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
}
.alert-error-custom {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    color: #991b1b;
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
}

.map-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.map-wrapper iframe {
    width: 100%; height: 100%; border: 0;
}

/* ─── Sección "Nosotros" ─── */
.about-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 3rem;
    align-items: center;
}
@media (max-width: 991.98px) {
    .about-grid { grid-template-columns: 1fr; }
}
.about-image-stack {
    position: relative;
    aspect-ratio: 4 / 5;
}
.about-image-stack .img-main {
    position: absolute; inset: 0 0 10% 10%;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.about-image-stack .img-accent {
    position: absolute; bottom: 0; left: 0; width: 45%; aspect-ratio: 1;
    background: var(--color-accent);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    color: var(--color-ink);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 1.5rem; text-align: center;
}
.about-image-stack .img-accent strong {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    line-height: 1;
    font-weight: 800;
    display: block;
}
.about-image-stack .img-accent span { font-size: 0.9rem; font-weight: 600; margin-top: 0.4rem; }

.value-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.value-list li {
    display: flex; gap: 1rem;
    padding: 1.25rem 0; border-bottom: 1px solid var(--color-line);
}
.value-list li:last-child { border-bottom: 0; }
.value-list .value-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: rgba(11,58,142,.08); color: var(--color-primary);
    flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
}
.value-list h4 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.value-list p { margin: 0; color: var(--color-muted); font-size: 0.95rem; }

/* ─── Pie de página ─── */
.site-footer {
    background: var(--color-ink);
    color: rgba(255,255,255,0.72);
    padding: clamp(3rem, 6vw, 5rem) 0 1.5rem;
}
.site-footer h3, .site-footer h4 { color: #fff; }
.site-footer a { color: rgba(255,255,255,0.85); }
.site-footer a:hover { color: var(--color-accent); }

.footer-logo {
    height: 60px; width: auto;
    background: #fff; padding: 6px;
    border-radius: 10px;
    margin-bottom: 1rem;
}
.footer-tagline { font-size: 0.95rem; line-height: 1.6; }

.footer-title {
    color: #fff; font-size: 1rem;
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 1.25rem; font-weight: 700;
}
.footer-list { list-style: none; padding: 0; margin: 0; }
.footer-list li { padding: 0.35rem 0; }

.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li {
    display: flex; gap: 0.85rem; align-items: flex-start;
    padding: 0.45rem 0;
}
.footer-contact i {
    flex-shrink: 0;
    color: var(--color-accent);
    width: 1.1rem; padding-top: 0.25rem;
}

.footer-social {
    display: flex; gap: 0.6rem; margin-top: 1rem;
}
.footer-social a {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: inline-flex; align-items: center; justify-content: center;
    transition: background var(--t-fast), transform var(--t-fast);
}
.footer-social a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
    color: #fff;
}

.footer-divider {
    border-color: rgba(255,255,255,0.12);
    margin: 2.5rem 0 1.25rem;
}
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 1rem;
    font-size: 0.85rem;
}
.footer-copy { margin: 0; color: rgba(255,255,255,0.6); }
.footer-webzi {
    display: inline-flex; align-items: center; gap: 0.6rem;
    color: rgba(255,255,255,0.7);
    transition: color var(--t-fast);
}
.footer-webzi span { font-size: 0.8rem; }
.webzi-logo {
    height: 18px; width: auto;
    /* logo Webzi original es negro — invertimos para fondo oscuro */
    filter: invert(1) brightness(1.4);
    transition: filter var(--t-fast);
}
.footer-webzi:hover { color: #fff; }
.footer-webzi:hover .webzi-logo { filter: invert(1) brightness(1.8); }

/* ─── Botón volver arriba ─── */
.back-to-top {
    position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 1000;
    width: 48px; height: 48px;
    border-radius: 50%; border: 0;
    background: var(--color-primary); color: #fff;
    box-shadow: var(--shadow);
    opacity: 0; pointer-events: none;
    transform: translateY(10px);
    transition: all var(--t-med);
    cursor: pointer;
}
.back-to-top.visible {
    opacity: 1; pointer-events: auto; transform: translateY(0);
}
.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* ─── Banner secundario (sub-hero) para páginas internas ─── */
.page-hero {
    padding: clamp(5rem, 9vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
    background: linear-gradient(135deg, #051535 0%, #0b3a8e 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(45deg, rgba(255,255,255,0.04) 25%, transparent 25%, transparent 50%, rgba(255,255,255,0.04) 50%, rgba(255,255,255,0.04) 75%, transparent 75%, transparent);
    background-size: 32px 32px;
    opacity: 0.7;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; margin-bottom: 1rem; }
.page-hero p { color: rgba(255,255,255,0.8); max-width: 38rem; font-size: 1.1rem; }
.breadcrumbs {
    display: flex; gap: 0.5rem; font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 1rem;
}
.breadcrumbs a { color: rgba(255,255,255,0.85); }
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs .sep { opacity: .5; }

/* ─── Animaciones de scroll-reveal ─── */
.reveal {
    opacity: 0; transform: translateY(24px);
    transition: opacity .8s var(--t-slow), transform .8s cubic-bezier(.16,1,.3,1);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal.delay-1 { transition-delay: 100ms; }
.reveal.delay-2 { transition-delay: 200ms; }
.reveal.delay-3 { transition-delay: 300ms; }
.reveal.delay-4 { transition-delay: 400ms; }

/* ─── Utilidades ─── */
.text-primary-brand { color: var(--color-primary) !important; }
.bg-primary-brand   { background: var(--color-primary) !important; color: #fff; }
.bg-accent-brand    { background: var(--color-accent) !important; }