/* === Mejoras UX y Modernización === */

/* Variables CSS para temas y consistencia */
:root {
    --color-primary: #4caf50;
    --color-secondary: #48bdc5;
    --color-accent: #7b64cb;
    --color-text: #2f2929;
    --color-text-light: #777;
    --color-bg: #fff;
    --color-bg-gray: #fafafa;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --border-radius: 8px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
}

/* Smooth scrolling en toda la página */
html {
    scroll-behavior: smooth;
}

/* Skip to main content para accesibilidad */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 var(--border-radius) 0;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Mejoras de accesibilidad en focus */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Transiciones más suaves y modernas */
* {
    transition: color var(--transition-fast), 
                background-color var(--transition-fast),
                border-color var(--transition-fast),
                transform var(--transition-fast),
                opacity var(--transition-fast),
                box-shadow var(--transition-fast);
}

/* Mejoras en botones */
.btn-main, 
.btn-style-one, 
.btn-style-two,
.btn-white {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.btn-main:hover,
.btn-style-one:hover,
.btn-style-two:hover,
.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-main:active,
.btn-style-one:active,
.btn-style-two:active,
.btn-white:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Efecto ripple en botones */
.btn-main::after,
.btn-style-one::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-main:active::after,
.btn-style-one:active::after {
    width: 300px;
    height: 300px;
}

/* Lazy loading con fade-in mejorado */
img[loading="lazy"] {
    opacity: 1;
    transition: opacity 0.5s ease-in;
}

/* Opcional: efecto fade-in cuando se carga (requiere JS) */
img[loading="lazy"]:not(.loaded) {
    animation: lazyFadeIn 0.5s ease-in;
}

@keyframes lazyFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mejoras en cards y contenedores */
.item,
.inner-box,
.service-box {
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-base);
}

.item:hover,
.inner-box:hover,
.service-box:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Hero principal con overlay y layout flexible */
.hero-slider {
    --hero-slider-min-height: clamp(420px, 75vh, 680px);
    position: relative;
    overflow: hidden;
    width: 100%;
    min-height: clamp(420px, 75vh, 680px);
    min-height: var(--hero-slider-min-height);
    height: auto !important;
}

.hero-slider.slick-slider {
    height: auto !important;
}

.hero-slider .slick-list,
.hero-slider .slick-track {
    min-height: clamp(420px, 75vh, 680px);
    min-height: var(--hero-slider-min-height);
    height: auto !important;
}

.hero-slider .slick-slide {
    height: auto;
}

.hero-slider .slider-item {
    position: relative;
    display: flex !important;
    align-items: center;
    min-height: clamp(420px, 75vh, 680px);
    min-height: var(--hero-slider-min-height);
    background-size: cover;
    background-position: center;
}

.hero-slider .slider-item::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(5, 13, 26, 0.82) 0%, rgba(10, 32, 35, 0.52) 100%);
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.hero-slider .slider-item:hover::before {
    opacity: 0.9;
}

.hero-slider .content {
    position: relative;
    z-index: 2;
    max-width: 640px;
    margin-inline: auto;
    padding: clamp(24px, 4vw, 36px);
    border-radius: calc(var(--border-radius) * 1.5);
    background: rgba(12, 25, 37, 0.45);
    backdrop-filter: blur(4px);
    text-align: left;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
}

.hero-slider .content h2 {
    font-size: clamp(2.2rem, 4vw, 3.1rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
}

.hero-slider .content p {
    font-size: clamp(1.05rem, 2.5vw, 1.25rem);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.92);
}

.btn-group-inline {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.14);
    padding: 6px 14px;
    border-radius: 999px;
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.trust-badge i {
    color: var(--color-secondary);
}

/* Tarjetas de servicios y secciones principales */
.feature-section {
    padding: clamp(48px, 10vw, 96px) 0;
}

.feature-section .section-title {
    margin-bottom: clamp(32px, 6vw, 56px);
}

.feature-section .section-title h2 {
    font-size: clamp(2rem, 4vw, 2.6rem);
    font-weight: 800;
    color: #111827;
}

.feature-section .section-title p {
    max-width: 720px;
    margin: 0 auto;
    color: var(--color-text-light);
    font-size: 1.05rem;
}

.feature-section .icon {
    font-size: 2.8rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: clamp(20px, 4vw, 32px);
}

.feature-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: clamp(20px, 4vw, 28px);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(15, 23, 42, 0.08);
    position: relative;
}

.feature-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid transparent;
    background: linear-gradient(135deg, rgba(72, 189, 197, 0.18), rgba(76, 175, 80, 0.16));
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.feature-card h6,
.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-top: 18px;
    color: #1f2937;
}

.feature-card p {
    color: var(--color-text-light);
    line-height: 1.65;
}

.feature-card a {
    color: var(--color-secondary);
    font-weight: 600;
}

.feature-card a:hover {
    color: var(--color-primary);
}

.feature-card img {
    max-width: 74px;
    filter: drop-shadow(0 8px 20px rgba(15, 23, 42, 0.12));
}

.feature-card .icon-wrapper {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: rgba(72, 189, 197, 0.18);
    color: var(--color-secondary);
    font-size: 1.6rem;
}

/* Métricas destacadas */
.home-metrics {
    padding: clamp(40px, 8vw, 72px) 0;
    background: linear-gradient(135deg, rgba(71, 189, 197, 0.12), rgba(76, 175, 80, 0.1));
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: clamp(16px, 3vw, 28px);
}

.metric-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: clamp(18px, 3vw, 26px);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.metric-card strong {
    display: block;
    font-size: clamp(2rem, 4vw, 2.6rem);
    color: var(--color-primary);
    margin-bottom: 8px;
}

.metric-card span {
    letter-spacing: 0.04em;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* Barra CTA */
.home-cta-wrapper {
    padding: clamp(32px, 8vw, 60px) 0;
}

.home-cta-bar {
    background: #0f1f3d;
    color: #fff;
    padding: clamp(28px, 5vw, 44px);
    border-radius: calc(var(--border-radius) * 1.4);
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: clamp(16px, 4vw, 32px);
    align-items: center;
}

.home-cta-bar .cta-content h3 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    margin-bottom: 8px;
}

.home-cta-bar .cta-content p {
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
}

.home-cta-bar .cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.home-cta-bar .cta-actions a {
    min-width: 180px;
}

.home-cta-bar .secondary-link {
    color: rgba(255, 255, 255, 0.75);
    font-weight: 600;
}

.home-cta-bar .secondary-link:hover {
    color: #fff;
}

/* CTA superior de llamada */
.call-cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    width: 100%;
    max-width: 960px;
    margin: clamp(12px, 4vw, 18px) auto;
    padding: clamp(14px, 3vw, 22px) clamp(18px, 4vw, 28px);
    border-radius: calc(var(--border-radius) * 1.4);
    background: linear-gradient(135deg, rgba(244, 249, 255, 0.94), rgba(230, 248, 246, 0.94));
    border: 1px solid rgba(72, 189, 197, 0.28);
    box-shadow: var(--shadow-sm);
}

.call-cta__icon {
    flex: 0 0 56px;
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: rgba(72, 189, 197, 0.2);
    display: grid;
    place-items: center;
    color: var(--color-secondary);
    font-size: 1.5rem;
    box-shadow: inset 0 0 0 2px rgba(72, 189, 197, 0.28);
}

.call-cta__copy {
    flex: 1 1 240px;
    min-width: 220px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.call-cta__label {
    margin: 0;
    font-weight: 700;
    color: var(--color-text);
    font-size: 1.05rem;
}

.call-cta__schedule {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

.call-cta__number {
    font-weight: 700;
    color: var(--color-primary);
}

.call-cta__button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 999px;
    background: var(--color-secondary);
    color: #0c1721;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
}

.call-cta__button::before {
    content: "\f095";
    font-family: "FontAwesome";
    font-size: 1rem;
}

.call-cta__button:hover,
.call-cta__button:focus-visible {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: #061018;
}

.call-cta__button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

@media (max-width: 992px) {
    .call-cta {
        justify-content: center;
        text-align: center;
    }

    .call-cta__copy {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .call-cta {
        gap: var(--spacing-xs);
    }

    .call-cta__icon {
        margin-bottom: 4px;
    }

    .call-cta__button {
        width: 100%;
        justify-content: center;
    }
}

/* Aviso de cookies modernizado */
#cookieConsent.cookie-banner {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    width: min(90%, 720px);
    background: rgba(13, 25, 46, 0.94);
    border-radius: calc(var(--border-radius) * 1.6);
    padding: clamp(20px, 4vw, 32px);
    box-shadow: var(--shadow-lg);
    color: #fff;
    display: none;
    z-index: 10000;
    backdrop-filter: blur(12px);
}

#cookieConsent.cookie-banner:focus {
    outline: 3px solid rgba(255, 255, 255, 0.6);
    outline-offset: 3px;
}

#cookieConsent .cookie-banner__content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

#cookieConsent .cookie-banner__icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: rgba(72, 189, 197, 0.22);
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    color: #48bdc5;
}

#cookieConsent .cookie-banner__message h2 {
    margin: 0 0 8px 0;
    font-size: 1.2rem;
    font-weight: 700;
}

#cookieConsent .cookie-banner__message p {
    margin: 0;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    font-size: 0.98rem;
}

#cookieConsent .cookie-banner__link {
    color: #9fdedb;
    text-decoration: underline;
}

#cookieConsent .cookie-banner__link:hover {
    color: #d0f9f1;
}

#cookieConsent .cookie-banner__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

#cookieConsent .cookie-banner__button {
    border: none;
    border-radius: calc(var(--border-radius) * 1.1);
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    color: #0c1721;
    font-weight: 700;
    padding: 12px 22px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

#cookieConsent .cookie-banner__button:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

#cookieConsent .cookie-banner__close {
    position: absolute;
    top: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    cursor: pointer;
}

#cookieConsent .cookie-banner__close:hover {
    color: #fff;
    border-color: #fff;
}

@media (max-width: 768px) {
    #cookieConsent.cookie-banner {
        left: 16px;
        right: 16px;
        bottom: 16px;
        width: auto;
        transform: none;
    }

    #cookieConsent .cookie-banner__content {
        flex-direction: column;
    }

    #cookieConsent .cookie-banner__actions {
        width: 100%;
        justify-content: flex-start;
    }
}

/* Sección de reseñas */
.cliente {
    background: #fff;
    border-radius: calc(var(--border-radius) * 1.2);
    padding: clamp(28px, 5vw, 40px);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.cliente > h1 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 8px;
    font-weight: 800;
}

.cliente .def {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.cliente .estrellas {
    display: flex;
    gap: 4px;
    color: #ffb300;
}

.cliente .contacto {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
    color: var(--color-text-light);
}

.cliente .contacto a {
    color: var(--color-secondary);
    font-weight: 600;
}

.cliente .reviews {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: clamp(16px, 4vw, 28px);
    margin-top: clamp(22px, 4vw, 36px);
}

.cliente .review {
    background: var(--color-bg-gray);
    border-radius: var(--border-radius);
    padding: clamp(18px, 3vw, 26px);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.cliente .review:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.cliente .review-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.cliente .review-meta h2 {
    margin: 0;
    font-size: 1.1rem;
    color: #1f2937;
}

.cliente .review-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cliente .profile-photo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(72, 189, 197, 0.35);
}

.cliente .rating {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 10px 0;
    color: #ffb300;
}

.cliente .rating span {
    display: inline-flex;
    align-items: center;
}

.cliente .review a {
    font-weight: 600;
    color: var(--color-secondary);
}

.cliente .review a:hover {
    color: var(--color-primary);
}

/* Animación de entrada para contenido */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
}

.animate-on-scroll.visible {
    animation: fadeInUp 0.8s ease forwards;
}

/* Mejoras en formularios */
.form-control {
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    border: 2px solid #e0e0e0;
}

.form-control:hover {
    border-color: var(--color-secondary);
}

.form-control:focus {
    transform: scale(1.02);
    box-shadow: 0 0 0 4px rgba(72, 189, 197, 0.1);
}

/* Estados de validación */
.form-control.is-valid {
    border-color: var(--color-primary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='%234caf50' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
    padding-right: calc(1.5em + 0.75rem);
}

.form-control.is-invalid {
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath fill='%23dc3545' d='M6 0a6 6 0 100 12A6 6 0 006 0zm-.5 5V3h1v2h-1zm0 3V7h1v1h-1z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
    padding-right: calc(1.5em + 0.75rem);
}

/* Mensajes de feedback */
.form-feedback {
    margin-top: 8px;
    font-size: 14px;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.form-feedback.show {
    opacity: 1;
    transform: translateY(0);
}

.form-feedback.success {
    color: var(--color-primary);
}

.form-feedback.error {
    color: #dc3545;
}

.contact-area .form-group {
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.contact-area label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text);
}

.contact-area .form-text {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 4px;
}

.captcha-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
}

.captcha-wrapper img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.privacy-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--color-text-light);
}

.privacy-consent input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 3px;
    accent-color: var(--color-primary);
}

.privacy-consent a {
    color: var(--color-secondary);
    text-decoration: underline;
}

.privacy-consent a:hover {
    color: var(--color-primary);
}

.fondoModal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.58);
    backdrop-filter: blur(3px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.fondoModal #app {
    background: #fff;
    padding: clamp(20px, 4vw, 28px);
    border-radius: var(--border-radius);
    max-width: 560px;
    width: calc(100% - 32px);
    box-shadow: var(--shadow-lg);
}

.fondoModal .tex {
    max-height: 340px;
    overflow-y: auto;
    margin-bottom: var(--spacing-sm);
    padding-right: 6px;
}

.fondoModal .btn-style-one {
    margin-right: var(--spacing-sm);
    min-width: 140px;
}

/* Navbar mejorado con backdrop */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(241, 246, 247, 0.95) !important;
}

/* Footer con mejor espaciado */
.footer-main {
    position: relative;
    overflow: hidden;
}

.footer-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
}

/* Mejoras responsive */
@media (max-width: 992px) {
    :root {
        --spacing-lg: 40px;
    }

    .hero-slider .content {
        margin-inline: 0;
    }

    .home-cta-bar {
        text-align: center;
    }

    .home-cta-bar .cta-actions {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 32px;
        --spacing-md: 18px;
    }

    .hero-slider .content {
        padding: 24px;
        text-align: center;
    }

    .hero-slider .content h2 {
        font-size: 2rem !important;
        line-height: 1.25;
    }

    .hero-slider .content p {
        font-size: 1rem !important;
    }

    .btn-group-inline {
        justify-content: center;
    }

    .feature-section .section-title p {
        font-size: 1rem !important;
    }

    .home-cta-bar {
        grid-template-columns: 1fr;
    }

    .cliente .reviews {
        grid-template-columns: 1fr;
    }
}

/* Loading spinner para lazy images */
.img-loading {
    display: inline-block;
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: var(--border-radius);
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Reduce motion para accesibilidad */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Contraste mejorado para modo alto contraste */
@media (prefers-contrast: high) {
    .btn-main,
    .btn-style-one,
    .btn-style-two {
        border-width: 3px;
    }
    
    a {
        text-decoration: underline;
    }
}

/* Dark mode support (preparado para futuro) */
@media (prefers-color-scheme: dark) {
    /* Comentado para no activar por defecto
    :root {
        --color-bg: #1a1a1a;
        --color-text: #e0e0e0;
        --color-text-light: #b0b0b0;
        --color-bg-gray: #2a2a2a;
    }
    */
}