/* ==========================================================================
   Ambientaciones Dalia - Estilos CSS Premium (Vanilla CSS)
   ========================================================================== */

/* 1. Definición de Variables y Sistema de Diseño */
:root {
    /* Colores Principales */
    --color-primary: #1c1b18;      /* Carbón / Bronce Profundo */
    --color-primary-light: #2c2a26;
    --color-secondary: #fdfdfd;    /* Blanco Puro / Lino */
    --color-bg-light: #faf8f5;     /* Warm Off-White / Arena Suave */
    --color-bg-dark: #12110f;      /* Negro Cálido */
    
    /* Acentos */
    --color-gold: #c5a880;         /* Oro Champán */
    --color-gold-hover: #b4956c;
    --color-gold-light: #e6dec9;
    --color-rose: #e2bcae;         /* Rosa Antiguo */
    --color-whatsapp: #25d366;     /* Verde WhatsApp */
    --color-whatsapp-hover: #20ba5a;

    /* Tipografía */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Outfit', system-ui, -apple-system, sans-serif;

    /* Sombras y Bordes */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(28, 27, 24, 0.07), 0 4px 6px -2px rgba(28, 27, 24, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(28, 27, 24, 0.1), 0 10px 10px -5px rgba(28, 27, 24, 0.04);
    --shadow-glass: 0 8px 32px 0 rgba(28, 27, 24, 0.08);
    
    --radius-sm: 4px;
    --radius-md: 12px;
    --radius-lg: 24px;
    
    /* Transiciones */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. Reset y Configuración Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-light);
    color: var(--color-primary-light);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

/* 3. Componentes Comunes y Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

.bg-light {
    background-color: #f7f4ef;
}

.bg-dark {
    background-color: var(--color-primary);
}

.text-white {
    color: var(--color-secondary);
}

.text-accent {
    color: var(--color-gold);
}

.text-center {
    text-align: center;
}

.mt-5 {
    margin-top: 48px;
}

/* Encabezados de Sección */
.section-header {
    max-width: 650px;
    margin: 0 auto 60px auto;
}

.section-tag {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-gold);
    display: inline-block;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 600;
}

.bg-dark .section-title {
    color: var(--color-secondary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: #7c7469;
}

/* Grillas Flexibles */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

/* Botones Premium */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition-medium);
    cursor: pointer;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    border: 2px solid transparent;
    gap: 8px;
}

.btn-primary {
    background-color: var(--color-whatsapp);
    color: var(--color-secondary);
}

.btn-primary:hover {
    background-color: var(--color-whatsapp-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.25);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-gold);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-gold);
    color: var(--color-secondary);
    transform: translateY(-2px);
}

.bg-dark .btn-secondary {
    color: var(--color-secondary);
}

.bg-dark .btn-secondary:hover {
    background-color: var(--color-gold);
    color: var(--color-primary);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Sombras de Tarjetas */
.card-shadow {
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-secondary);
    border: 1px solid rgba(197, 168, 128, 0.15);
    transition: var(--transition-medium);
}

.card-shadow:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(197, 168, 128, 0.4);
}

/* 4. Barra de Navegación */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(250, 248, 245, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(197, 168, 128, 0.1);
    transition: var(--transition-medium);
}

.navbar.scrolled {
    padding: 10px 0;
    background-color: rgba(250, 248, 245, 0.95);
    box-shadow: var(--shadow-sm);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 24px;
    transition: var(--transition-medium);
}

.navbar.scrolled .navbar-container {
    padding: 12px 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 38px;
    width: 38px;
    border-radius: 50%;
    object-fit: cover;
    border: 1.5px solid var(--color-gold);
    background-color: var(--color-secondary);
}

.logo-title {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

.nav-menu ul {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-primary-light);
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.instagram-btn-nav {
    font-size: 1.35rem;
    color: var(--color-primary);
}

.instagram-btn-nav:hover {
    color: var(--color-gold);
    transform: scale(1.1);
}

.cta-nav {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    padding: 10px 20px;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.cta-nav:hover {
    background-color: var(--color-gold);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
}

/* 5. Sección Hero */
.hero {
    height: 100vh;
    min-height: 650px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    padding-top: 80px; /* Evitar solapamiento con nav */
}

.hero-content {
    max-width: 850px;
    padding: 0 24px;
    z-index: 1;
}

.hero-subtitle {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-gold);
    margin-bottom: 24px;
    display: block;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: var(--color-secondary);
    line-height: 1.15;
    margin-bottom: 24px;
    font-weight: 600;
}

.hero-description {
    font-size: 1.25rem;
    color: #e6e3dd;
    max-width: 650px;
    margin: 0 auto 36px auto;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.hero .btn-secondary {
    color: var(--color-secondary);
    border-color: rgba(255, 255, 255, 0.4);
}

.hero .btn-secondary:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-color: var(--color-secondary);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: var(--color-secondary);
    font-size: 1.5rem;
}

.hero-scroll-indicator a {
    display: block;
    opacity: 0.7;
}

.hero-scroll-indicator a:hover {
    opacity: 1;
}

/* Animación del indicador de scroll */
.animate-bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
    60% {
        transform: translateY(-4px);
    }
}

/* 6. Presentación / Nosotros */
.presentacion-img {
    position: relative;
}

.presentacion-img .img-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--color-secondary);
}

.presentacion-img img {
    width: 100%;
    object-fit: cover;
    height: 480px;
    transition: var(--transition-slow);
}

.presentacion-img:hover img {
    transform: scale(1.03);
}

.badge-experience {
    position: absolute;
    bottom: 30px;
    right: -20px;
    background-color: var(--color-primary);
    color: var(--color-secondary);
    padding: 20px 30px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    border-left: 5px solid var(--color-gold);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge-experience .number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
    color: var(--color-gold);
}

.badge-experience .text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-top: 4px;
}

.presentacion-content .section-text {
    font-size: 1.05rem;
    margin-bottom: 20px;
    color: #4e4942;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 36px;
    border-top: 1px solid rgba(197, 168, 128, 0.2);
    padding-top: 28px;
}

.feature-item .feature-icon {
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-bottom: 12px;
}

.feature-item h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--color-primary);
}

.feature-item p {
    font-size: 0.9rem;
    color: #6e675e;
    line-height: 1.5;
}

/* 7. Sectores / Servicios */
.service-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-img {
    height: 240px;
    position: relative;
    overflow: hidden;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.service-card:hover .service-img img {
    transform: scale(1.08);
}

.service-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 2;
}

.service-category {
    background-color: rgba(28, 27, 24, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--color-secondary);
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(197, 168, 128, 0.3);
}

.service-body {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-body h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 14px;
}

.service-body p {
    color: #5e5850;
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.6;
    flex-grow: 1;
}

.service-features {
    border-top: 1px solid rgba(197, 168, 128, 0.15);
    padding-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    font-size: 0.88rem;
    color: #4e4942;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features li i {
    color: var(--color-gold);
    font-size: 0.8rem;
}

/* Servicios Complementarios Box */
.additional-services-box {
    margin-top: 72px;
    background-color: var(--color-secondary);
    border: 2px solid rgba(197, 168, 128, 0.15);
    border-radius: var(--radius-md);
    padding: 48px;
    box-shadow: var(--shadow-sm);
}

.additional-services-box .box-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    text-align: center;
    color: var(--color-primary);
    margin-bottom: 36px;
}

.add-service-item {
    text-align: center;
    padding: 0 12px;
}

.add-service-item .add-service-icon {
    font-size: 2.2rem;
    color: var(--color-gold);
    margin-bottom: 16px;
}

.add-service-item h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.add-service-item p {
    font-size: 0.9rem;
    color: #6e675e;
    line-height: 1.6;
}

/* 8. Galería / Portfolio */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.filter-btn {
    background-color: transparent;
    border: 1px solid rgba(197, 168, 128, 0.3);
    padding: 10px 22px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-primary-light);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-medium);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-secondary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    height: 350px;
    border: 1px solid rgba(197, 168, 128, 0.1);
    transition: transform 0.4s ease;
}

/* Filtro dinámico con clases hide */
.portfolio-item.hide {
    display: none;
}

.portfolio-img-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.portfolio-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(rgba(28, 27, 24, 0), rgba(28, 27, 24, 0.9));
    color: var(--color-secondary);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-medium);
    z-index: 2;
}

.portfolio-info h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 6px;
    font-weight: 600;
}

.portfolio-info p {
    font-size: 0.85rem;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.portfolio-item:hover .portfolio-img-wrapper img {
    transform: scale(1.08);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
    opacity: 1;
}

/* 9. Proceso de Trabajo */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 48px auto 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background-color: var(--color-gold-light);
}

.timeline-step {
    display: flex;
    margin-bottom: 48px;
    position: relative;
}

.timeline-step:last-child {
    margin-bottom: 0;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--color-secondary);
    border: 2px solid var(--color-gold);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 32px;
    flex-shrink: 0;
    z-index: 1;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-medium);
}

.timeline-step:hover .step-number {
    background-color: var(--color-gold);
    color: var(--color-secondary);
    transform: scale(1.05);
}

.step-content {
    background-color: var(--color-secondary);
    padding: 28px 36px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(197, 168, 128, 0.15);
    flex-grow: 1;
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.step-content p {
    color: #6e675e;
    font-size: 0.95rem;
}

/* 10. Benefits Strip (Google Ads Conversion helper) */
.benefits-strip {
    padding: 40px 0;
    border-top: 1px solid rgba(197, 168, 128, 0.2);
    border-bottom: 1px solid rgba(197, 168, 128, 0.2);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.benefit-item i {
    font-size: 2rem;
    margin-top: 4px;
}

.benefit-item h4 {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-secondary);
}

.benefit-item p {
    font-size: 0.88rem;
    color: #bbb2a6;
    line-height: 1.4;
}

/* 11. Contacto y Formulario */
.contacto-details {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.detail-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.detail-item i {
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-top: 4px;
}

.detail-item h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
    color: var(--color-primary);
}

.detail-item p {
    color: #5e5850;
    font-size: 0.95rem;
}

.detail-item a:hover {
    color: var(--color-gold);
}

.social-links-large {
    margin-top: 48px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.social-links-large a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    flex-grow: 1;
    min-width: 170px;
}

.ig-large {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border: 2px solid var(--color-primary);
}

.ig-large:hover {
    background-color: var(--color-gold);
    border-color: var(--color-gold);
    transform: translateY(-2px);
}

.wa-large {
    background-color: var(--color-whatsapp);
    color: var(--color-secondary);
}

.wa-large:hover {
    background-color: var(--color-whatsapp-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.25);
}

/* Tarjeta Formulario de Contacto */
.contacto-card {
    background-color: var(--color-secondary);
    border: 2px solid rgba(197, 168, 128, 0.15);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.contacto-card h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.contacto-card .card-subtitle {
    font-size: 0.9rem;
    color: #7c7469;
    margin-bottom: 28px;
}

.whatsapp-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-primary-light);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid rgba(28, 27, 24, 0.15);
    border-radius: var(--radius-sm);
    background-color: #faf9f6;
    color: var(--color-primary-light);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-gold);
    background-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(197, 168, 128, 0.15);
}

.gap-small {
    gap: 16px !important;
}

/* 12. Footer */
.footer {
    padding: 80px 0 40px 0;
    border-top: 1px solid rgba(197, 168, 128, 0.1);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo-container {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.footer-logo {
    height: 48px;
    width: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-gold);
    background-color: var(--color-secondary);
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--color-secondary);
    margin-bottom: 0;
}

.footer-brand p {
    color: #a49e95;
    max-width: 320px;
    font-size: 0.92rem;
}

.footer-nav h4,
.footer-social h4 {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: var(--color-gold);
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav a {
    color: #bbb5ac;
    font-size: 0.92rem;
}

.footer-nav a:hover {
    color: var(--color-secondary);
    padding-left: 4px;
}

.footer-social .social-icons {
    display: flex;
    gap: 16px;
}

.footer-social .social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-primary-light);
    color: var(--color-secondary);
    font-size: 1.2rem;
    border: 1px solid rgba(197, 168, 128, 0.1);
}

.footer-social .social-icons a:hover {
    background-color: var(--color-gold);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.footer-divider {
    border: 0;
    height: 1px;
    background-color: rgba(197, 168, 128, 0.15);
    margin-bottom: 30px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: #8c867e;
}

/* 13. Floating WhatsApp Widget */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--color-whatsapp);
    color: var(--color-secondary);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.85rem;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-medium);
}

.whatsapp-float:hover {
    background-color: var(--color-whatsapp-hover);
    transform: scale(1.1) rotate(8deg);
}

/* 14. Animaciones al Scroll (CSS base, activado por JS) */
.fade-in-up,
.fade-in-left,
.fade-in-right {
    opacity: 0;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s ease-out;
}

.fade-in-up {
    transform: translateY(30px);
}

.fade-in-left {
    transform: translateX(-30px);
}

.fade-in-right {
    transform: translateX(30px);
}

.visible {
    opacity: 1 !important;
    transform: translate(0, 0) !important;
}

/* 15. Estilos Responsivos (Media Queries) */

@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .section-padding {
        padding: 48px 0;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 12px;
    }
    
    .section-header {
        margin-bottom: 32px;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .grid-3 {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Navbar móvil */
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-bg-light);
        border-bottom: 1px solid rgba(197, 168, 128, 0.15);
        box-shadow: var(--shadow-md);
        display: none;
        padding: 16px 0;
    }
    
    .nav-menu.open {
        display: block;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .nav-actions {
        display: none;
    }
    
    /* Hero */
    .hero {
        padding-top: 60px;
        min-height: 520px;
    }

    .hero-subtitle {
        margin-bottom: 12px;
    }

    .hero-title {
        font-size: 2.1rem;
        margin-bottom: 16px;
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: 24px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        padding: 12px 20px;
    }
    
    /* Presentación */
    .presentacion-img img {
        height: 280px;
    }
    
    .badge-experience {
        right: 0px;
        bottom: 10px;
        padding: 10px 18px;
    }

    .badge-experience .number {
        font-size: 1.6rem;
    }

    .features-grid {
        margin-top: 24px;
        padding-top: 20px;
        gap: 16px;
    }
    
    /* Tarjetas de Servicio Compactas */
    .service-img {
        height: 180px;
    }

    .service-body {
        padding: 20px;
    }

    .service-body h3 {
        font-size: 1.3rem;
        margin-bottom: 8px;
    }

    .service-body p {
        font-size: 0.9rem;
        margin-bottom: 16px;
    }

    .service-features {
        padding-top: 12px;
        gap: 6px;
    }
    
    /* Caja de Servicios Adicionales */
    .additional-services-box {
        margin-top: 40px;
        padding: 24px 20px;
    }

    .additional-services-box .box-title {
        font-size: 1.35rem;
        margin-bottom: 24px;
    }

    .additional-services-box .grid-3 {
        gap: 20px;
    }

    .add-service-item {
        padding-bottom: 16px;
        border-bottom: 1px solid rgba(197, 168, 128, 0.1);
    }

    .add-service-item:last-child {
        padding-bottom: 0;
        border-bottom: none;
    }

    .add-service-item .add-service-icon {
        font-size: 1.8rem;
        margin-bottom: 8px;
    }

    .add-service-item h4 {
        font-size: 1.1rem;
        margin-bottom: 6px;
    }

    .add-service-item p {
        font-size: 0.88rem;
    }
    
    /* Portfolio */
    .portfolio-filters {
        margin-bottom: 24px;
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.82rem;
    }

    .portfolio-item {
        height: 240px;
    }

    .portfolio-info {
        padding: 20px;
        transform: translateY(0);
        opacity: 1;
        background: linear-gradient(rgba(28, 27, 24, 0.1), rgba(28, 27, 24, 0.8));
    }

    .portfolio-info h4 {
        font-size: 1.1rem;
    }
    
    /* Timeline */
    .timeline {
        margin-top: 24px;
    }

    .timeline::before {
        left: 16px;
    }
    
    .timeline-step {
        margin-bottom: 20px;
    }
    
    .step-number {
        width: 34px;
        height: 34px;
        font-size: 1rem;
        margin-right: 12px;
    }
    
    .step-content {
        padding: 16px;
    }

    .step-content h3 {
        font-size: 1.15rem;
    }

    .step-content p {
        font-size: 0.88rem;
    }
    
    /* Strip de Beneficios */
    .benefits-strip {
        padding: 24px 0;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .benefit-item {
        gap: 12px;
    }

    .benefit-item i {
        font-size: 1.6rem;
    }
    
    /* Contacto */
    .contacto-details {
        margin-top: 20px;
        gap: 16px;
    }

    .social-links-large {
        margin-top: 24px;
        gap: 12px;
    }

    .social-links-large a {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .contacto-card {
        padding: 24px 20px;
    }

    .contacto-card h3 {
        font-size: 1.5rem;
    }

    .contacto-card .card-subtitle {
        margin-bottom: 20px;
    }

    .whatsapp-form {
        gap: 16px;
    }
    
    /* Footer */
    .footer {
        padding: 48px 0 24px 0;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 32px;
    }

    .footer-brand h3 {
        margin-bottom: 12px;
    }

    .footer-nav h4, .footer-social h4 {
        margin-bottom: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .contacto-card {
        padding: 20px 16px;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 1.6rem;
    }
}