/* ==========================================================================
   Etigama Landing Page - Estilos Dinámicos e Interactivos
   Inspirado en el diseño moderno de packaging (Yucca) y colores del Logo Oficial
   ========================================================================== */

/* Variables CSS del Sistema de Diseño */
:root {
    /* Paleta inspirada en el Logo Oficial de Etigama */
    --color-navy-dark: #07192C;     /* Fondo de acento y tipografía principal */
    --color-navy: #0A2540;          /* Tronco y base de marca */
    --color-primary: #155A9C;       /* Azul real de hojas superiores */
    --color-primary-light: #2575C0; /* Azul vibrante interactivo */
    --color-teal: #00A6B4;          /* Azul cian / humedad y frío */
    --color-green: #16A34A;         /* Verde esmeralda de hojas frescas */
    --color-green-light: #22C55E;   /* Verde vivo */
    --color-purple: #7C3AED;        /* Violeta de hojas inferiores */
    --color-magenta: #C026D3;       /* Magenta de hojas inferiores */

    /* Canales oficiales de WhatsApp */
    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #128C7E;
    --color-whatsapp-hover: #1ebd5a;

    /* Neutros, Fondos y Superficies */
    --color-bg: #FFFFFF;
    --color-bg-ice: #F3F8FC;        /* Tono hielo / frío industrial */
    --color-bg-card: #FFFFFF;
    --color-text: #0A2540;
    --color-text-muted: #475569;
    --color-border: #E2E8F0;
    --color-border-glow: rgba(2, 166, 180, 0.25);

    /* Sombras y Efectos */
    --radius-btn: 12px;
    --radius-card: 18px;
    --radius-pill: 9999px;
    --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.04);
    --shadow-card: 0 10px 30px rgba(10, 37, 64, 0.08);
    --shadow-hover: 0 20px 40px rgba(21, 90, 156, 0.16);
    --shadow-glow: 0 0 25px rgba(0, 166, 180, 0.2);

    /* Tipografías */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --container-width: 1220px;
}

/* Reset y Normalización */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--color-navy);
    line-height: 1.22;
}

h1 {
    font-size: 2.25rem;
    letter-spacing: -0.025em;
}

h2 {
    font-size: 1.85rem;
    letter-spacing: -0.015em;
}

h3 {
    font-size: 1.3rem;
}

/* Títulos de sección siempre centrados */
.section-title {
    text-align: center !important;
    margin-bottom: 1rem;
}

.section-intro {
    text-align: center !important;
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 1.5rem;
}

p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all 0.25s ease;
}

/* Contenedor Principal */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ==========================================================================
   CINTA INFINITA EN MOVIMIENTO (Marquee Ticker - Estilo Yucca)
   ========================================================================== */
.marquee-strip {
    background: linear-gradient(90deg, var(--color-navy-dark) 0%, var(--color-navy) 50%, var(--color-primary) 100%);
    color: #FFFFFF;
    padding: 0.75rem 0;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.marquee-track {
    display: inline-flex;
    align-items: center;
    gap: 2.5rem;
    animation: marqueeScroll 28s linear infinite;
}

.marquee-strip:hover .marquee-track {
    animation-play-state: paused;
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.95);
}

.marquee-item .bullet {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-teal);
    display: inline-block;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ==========================================================================
   CABECERA (Header) - Logo Grande sin Fondo Blanco
   ========================================================================== */
.site-header {
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    padding: 1.15rem 0;
    border-bottom: 2px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(10, 37, 64, 0.05);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

/* Logo destacado, sin fondo blanco y con tamaño protagónico */
.site-header .logo {
    height: 96px;
    max-height: 105px;
    width: auto;
    display: block;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(10, 37, 64, 0.09));
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.site-header .logo:hover {
    transform: scale(1.04);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.header-phone-quick {
    display: none;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-navy);
}

@media (min-width: 900px) {
    .header-phone-quick {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
    }
}

/* ==========================================================================
   BOTONES Y COMPONENTES REUTILIZABLES
   ========================================================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #FFFFFF !important;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    padding: 0.95rem 2rem;
    border: none;
    border-radius: var(--radius-btn);
    cursor: pointer;
    text-align: center;
    transition: all 0.25s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: 0 6px 18px rgba(21, 90, 156, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(21, 90, 156, 0.4);
    background: linear-gradient(135deg, #0f4679 0%, var(--color-primary) 100%);
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transform: skewX(-20deg);
    transition: none;
}

.btn-primary:hover::after {
    left: 140%;
    transition: all 0.75s ease;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: #FFFFFF;
    color: var(--color-navy);
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    padding: 0.95rem 1.85rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-btn);
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.btn-header {
    padding: 0.7rem 1.45rem;
    font-size: 0.95rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1.1rem;
    background: rgba(0, 166, 180, 0.12);
    color: var(--color-teal);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--radius-pill);
    margin-bottom: 1.15rem;
}

.section-badge.green {
    background: rgba(22, 163, 74, 0.12);
    color: var(--color-green);
}

.section-badge.purple {
    background: rgba(124, 58, 237, 0.12);
    color: var(--color-purple);
}

/* ==========================================================================
   1.1 NUEVA SECCIÓN DE PRODUCTOS: SELECTOR HORIZONTAL DE 4 CATEGORÍAS
   Ubicada inmediatamente después de la cabecera / logotipo
   ========================================================================== */
.products-catalog-section {
    padding: 3.5rem 0 4rem 0;
    background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
    border-bottom: 1px solid var(--color-border);
    position: relative;
    scroll-margin-top: 100px;
}

.products-catalog-header {
    text-align: center;
    margin-bottom: 2.25rem;
}

/* DISTRIBUCIÓN HORIZONTAL OBLIGATORIA: 4 COLUMNAS EN UNA SOLA FILA */
.category-selector-row {
    display: flex;
    flex-direction: row;
    gap: 1.25rem;
    width: 100%;
    margin-bottom: 0;
    align-items: stretch;
}

.category-card-col {
    flex: 1 1 0; /* Ocupa proporcionalmente exactamente 1/4 del ancho */
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.75rem 1.15rem 1.4rem 1.15rem;
    background: #FFFFFF;
    border: 2px solid #E2E8F0;
    border-radius: var(--radius-card);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 14px rgba(10, 37, 64, 0.05);
    outline: none;
    font-family: inherit;
}

.category-card-col .col-indicator-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: transparent;
    transition: all 0.3s ease;
}

.category-card-col:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary-light);
    box-shadow: 0 12px 28px rgba(21, 90, 156, 0.14);
}

.category-card-col:hover .col-indicator-bar {
    background: var(--color-primary-light);
}

/* Estado activo de la columna seleccionada */
.category-card-col.active {
    background: #FFFFFF;
    border-color: var(--color-primary);
    box-shadow: 0 14px 34px rgba(21, 90, 156, 0.18), 0 0 0 1px var(--color-primary);
    transform: translateY(-4px);
}

.category-card-col.active .col-indicator-bar {
    background: linear-gradient(90deg, var(--color-teal) 0%, var(--color-primary) 100%);
    height: 5px;
}

.category-card-col .col-icon-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.9rem;
}

.category-card-col .col-icon {
    font-size: 2.2rem;
    line-height: 1;
    transition: transform 0.3s ease;
}

.category-card-col:hover .col-icon {
    transform: scale(1.12);
}

.category-card-col .col-pill {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-radius: var(--radius-pill);
    background: rgba(10, 37, 64, 0.06);
    color: var(--color-navy);
}

.category-card-col.active .col-pill {
    background: rgba(21, 90, 156, 0.12);
    color: var(--color-primary);
}

.category-card-col .col-name {
    font-family: var(--font-heading);
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--color-navy-dark);
    margin-bottom: 0.35rem;
    line-height: 1.25;
}

.category-card-col .col-subtitle {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 0.9rem;
    line-height: 1.3;
}

.category-card-col .col-cta-hint {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-primary);
    transition: gap 0.25s ease;
}

.category-card-col .col-cta-hint svg {
    transition: transform 0.3s ease;
}

.category-card-col.active .col-cta-hint svg {
    transform: rotate(180deg);
}

/* ÁREA DE CONTENIDO DINÁMICO (DEBAJO DE LAS 4 COLUMNAS) */
.category-dynamic-display {
    display: none;
    position: relative;
    border-radius: var(--radius-card);
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    box-shadow: 0 10px 35px rgba(10, 37, 64, 0.07);
    padding: 2.25rem;
    margin-top: 1.5rem;
    animation: fadeInPanel 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.category-dynamic-display.is-open {
    display: block;
}

.category-content-panel {
    display: none;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.category-content-panel.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: fadeInPanel 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInPanel {
    0% {
        opacity: 0;
        transform: translateY(14px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-header-badge {
    border-bottom: 1px solid #EEF2F6;
    padding-bottom: 1.25rem;
    margin-bottom: 2rem;
}

.panel-tag {
    display: inline-block;
    padding: 0.35rem 0.95rem;
    background: rgba(22, 163, 74, 0.12);
    color: var(--color-green);
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    margin-bottom: 0.6rem;
}

.panel-tag.tag-cyan {
    background: rgba(0, 166, 180, 0.14);
    color: #007A87;
}

.panel-tag.tag-purple {
    background: rgba(124, 58, 237, 0.12);
    color: var(--color-purple);
}

.panel-tag.tag-magenta {
    background: rgba(192, 38, 211, 0.12);
    color: var(--color-magenta);
}

.panel-main-title {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--color-navy-dark);
    line-height: 1.25;
}

/* INTRODUCCIÓN COMERCIAL Y CHIPS DE APLICACIONES */
.panel-brief-intro {
    background: #F8FAFC;
    border-radius: var(--radius-card);
    padding: 1.6rem 1.85rem;
    border: 1px solid #E2E8F0;
    margin-bottom: 2.25rem;
}

.panel-intro-lead {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--color-navy-dark);
    margin-bottom: 1.25rem;
}

.panel-application-domains {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.app-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    background: #FFFFFF;
    border: 1px solid #CBD5E1;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-navy);
    box-shadow: 0 1px 3px rgba(10, 37, 64, 0.04);
}

/* ÁREA DE SELECCIÓN DE DIMENSIONES (PASO 2) */
.dimension-picker-area {
    margin-top: 1rem;
}

.picker-heading {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.35rem;
}

.picker-step-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-primary);
    color: #FFFFFF;
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.picker-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-navy-dark);
    margin: 0;
}

/* BOTONES / TARJETAS DE SELECCIÓN DE DIMENSIÓN */
.dim-buttons-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.dim-select-btn {
    flex: 1 1 180px;
    max-width: 260px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem 1.15rem;
    background: #FFFFFF;
    border: 2px solid #CBD5E1;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.28s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 2px 6px rgba(10, 37, 64, 0.04);
    font-family: inherit;
    text-align: center;
    outline: none;
    position: relative;
    overflow: hidden;
}

.dim-select-btn:hover {
    transform: translateY(-3px);
    border-color: var(--color-primary-light);
    box-shadow: 0 8px 20px rgba(21, 90, 156, 0.12);
}

.dim-select-btn .dim-size {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--color-navy);
    margin-bottom: 0.25rem;
    line-height: 1.2;
}

.dim-select-btn .dim-ratio {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* Estado activo de la dimensión seleccionada */
.dim-select-btn.active {
    background: #FFFFFF;
    border-color: var(--color-primary);
    box-shadow: 0 10px 24px rgba(21, 90, 156, 0.2), 0 0 0 2px var(--color-primary);
    transform: translateY(-4px);
}

.dim-select-btn.active::before {
    content: "✓";
    position: absolute;
    top: 6px;
    right: 8px;
    width: 18px;
    height: 18px;
    background: var(--color-primary);
    color: #FFFFFF;
    border-radius: 50%;
    font-size: 0.65rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dim-select-btn.active .dim-size {
    color: var(--color-primary);
}

/* ÁREA DINÁMICA DE EJEMPLOS VISUALES (DEBAJO DE LAS MEDIDAS) */
.dim-visual-showcase {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-card);
    padding: 2.25rem 2rem;
    animation: fadeInVisuals 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInVisuals {
    0% {
        opacity: 0;
        transform: translateY(12px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.showcase-header {
    border-bottom: 1px solid #E2E8F0;
    padding-bottom: 1.15rem;
    margin-bottom: 1.85rem;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.showcase-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-navy-dark);
    margin: 0;
}

.showcase-subtitle {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-teal);
}

.showcase-grid {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 860px;
    margin: 0 auto;
}

/* Tarjeta individual de ejemplo visual (Presentación compacta y equilibrada de 1 tarjeta) */
.example-visual-card {
    background: #FFFFFF;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #E2E8F0;
    box-shadow: 0 4px 18px rgba(10, 37, 64, 0.06);
    display: flex;
    flex-direction: row;
    align-items: stretch;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.example-visual-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 32px rgba(21, 90, 156, 0.14);
}

.example-img-wrap {
    position: relative;
    width: 44%;
    min-height: 280px;
    background: #F1F5F9;
    overflow: hidden;
    flex-shrink: 0;
}

.example-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.example-visual-card:hover .example-img-wrap img {
    transform: scale(1.04);
}

.example-type-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(7, 25, 44, 0.88);
    backdrop-filter: blur(4px);
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-pill);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.example-body {
    padding: 1.85rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-grow: 1;
}

@media (max-width: 768px) {
    .example-visual-card {
        flex-direction: column;
    }
    .example-img-wrap {
        width: 100%;
        height: 240px;
        min-height: auto;
    }
    .example-body {
        padding: 1.5rem 1.25rem;
    }
}

.example-card-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.4rem;
}

.example-card-desc {
    font-size: 0.88rem;
    line-height: 1.5;
    color: var(--color-text-muted);
    margin-bottom: 1.15rem;
}

.example-specs-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.spec-chip {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    background: #F1F5F9;
    color: var(--color-navy);
}

.btn-example-quote {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-btn);
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn-example-quote:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(21, 90, 156, 0.25);
}

/* RESPONSIVE DESIGN PARA LA SECCIÓN DE PRODUCTOS */
@media (max-width: 1080px) {
    .category-card-col .col-name {
        font-size: 0.98rem;
    }
    .dim-select-btn {
        flex: 1 1 calc(50% - 1rem);
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .category-selector-row {
        flex-wrap: wrap;
        gap: 0.85rem;
    }
    .category-card-col {
        flex: 1 1 calc(50% - 0.85rem);
        min-width: 140px;
        padding: 1.25rem 0.85rem;
    }
    .category-dynamic-display {
        padding: 1.5rem 1.15rem;
    }
    .panel-main-title {
        font-size: 1.35rem;
    }
    .dim-visual-showcase {
        padding: 1.5rem 1.15rem;
    }
    .showcase-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .category-card-col {
        flex: 1 1 100%;
    }
    .dim-select-btn {
        flex: 1 1 100%;
    }
}

/* ==========================================================================
   2. HERO DINÁMICO (2 Columnas con Vista Previa Interactiva)
   ========================================================================== */
.hero-section {
    padding: 3.25rem 0 3.75rem 0;
    background: radial-gradient(circle at 85% 20%, rgba(0, 166, 180, 0.10) 0%, rgba(21, 90, 156, 0.05) 40%, #FFFFFF 80%);
    position: relative;
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
}

.hero-content {
    text-align: left;
}

.hero-pill-live {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: #FFFFFF;
    border: 1px solid rgba(2, 166, 180, 0.3);
    padding: 0.45rem 1.15rem;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: var(--color-navy);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.25rem;
}

.hero-pill-live .pulse-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background-color: var(--color-green);
    box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.7);
    animation: livePulse 1.8s infinite;
}

@keyframes livePulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(22, 163, 74, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}

.hero-title {
    margin-bottom: 1.2rem;
    font-size: 2.35rem;
    color: var(--color-navy-dark);
    line-height: 1.22;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero-title .cold-highlight {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-description {
    font-size: 1.12rem;
    line-height: 1.65;
    color: var(--color-text-muted);
    margin-bottom: 1.85rem;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.15rem;
    margin-bottom: 0.5rem;
}

/* Tarjeta Visual de Hero con Condensación y Etiquetas Flotantes */
.hero-visual-card {
    position: relative;
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 1.25rem;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease;
}

.hero-visual-card:hover {
    transform: translateY(-5px);
}

.hero-image-wrapper {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    height: 380px;
    background-color: var(--color-bg-ice);
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.hero-visual-card:hover .hero-image-wrapper img {
    transform: scale(1.04);
}

.hero-floating-badge {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-pill);
    padding: 0.6rem 1.15rem;
    box-shadow: 0 10px 25px rgba(10, 37, 64, 0.15);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-navy);
    animation: floatBadge 4s ease-in-out infinite;
}

.hero-floating-badge.badge-top {
    top: 24px;
    left: 24px;
}

.hero-floating-badge.badge-bottom {
    bottom: 24px;
    right: 24px;
    animation-delay: 2s;
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ==========================================================================
   3. SECCIÓN DEL PROBLEMA (Con Indicadores de Gravedad Visuales)
   ========================================================================== */
.problem-section {
    padding: 5rem 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--color-border);
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.75rem;
    margin-top: 2.5rem;
}

.problem-card {
    background: var(--color-bg-ice);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: 2.25rem 1.85rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #EF4444, #F97316);
}

.problem-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card);
    background: #FFFFFF;
}

.problem-card h3 {
    margin-bottom: 0.85rem;
    color: var(--color-navy);
}

/* ==========================================================================
   4. SECCIÓN DE SOLUCIÓN: POLIPROPILENO DE ALTO RENDIMIENTO
   ========================================================================== */
.solution-section {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--color-bg-ice) 0%, #FFFFFF 100%);
    border-bottom: 1px solid var(--color-border);
}

.solution-content {
    max-width: 960px;
    margin: 0 auto;
    background-color: #FFFFFF;
    border: 1px solid rgba(2, 166, 180, 0.25);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.solution-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--color-green), var(--color-teal), var(--color-primary));
}

.solution-benefits {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1.15rem;
    background: var(--color-bg-ice);
    padding: 1.25rem 1.35rem;
    border-radius: var(--radius-card);
    border: 1px solid rgba(0, 166, 180, 0.15);
    transition: transform 0.2s ease;
}

.benefit-item:hover {
    transform: translateY(-2px);
    background: #FFFFFF;
    border-color: var(--color-teal);
}

.benefit-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(22, 163, 74, 0.15);
    color: var(--color-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
}

/* ==========================================================================
   5. CÓMO FUNCIONA (Colores del Árbol Etigama)
   ========================================================================== */
.how-it-works-section {
    padding: 5rem 0;
    background-color: var(--color-bg-ice);
    border-bottom: 1px solid var(--color-border);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2.75rem;
}

.step-card {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: 2.25rem 1.85rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.step-card:nth-child(1) { border-top: 5px solid var(--color-green); }
.step-card:nth-child(2) { border-top: 5px solid var(--color-teal); }
.step-card:nth-child(3) { border-top: 5px solid var(--color-primary); }

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    color: #FFFFFF;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.step-card:nth-child(1) .step-number { background-color: var(--color-green); }
.step-card:nth-child(2) .step-number { background-color: var(--color-teal); }
.step-card:nth-child(3) .step-number { background-color: var(--color-primary); }

.step-card h3 {
    margin-bottom: 0.85rem;
    color: var(--color-navy);
}

/* ==========================================================================
   6. SECCIÓN DE PRUEBA Y EVIDENCIA
   ========================================================================== */
.proof-section {
    padding: 5rem 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--color-border);
}

.proof-intro-box {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 3rem auto;
}

/* Contenedor del Video de Evidencia Real */
.proof-video-showcase {
    max-width: 780px;
    margin: 0 auto 3.5rem auto;
    background: linear-gradient(135deg, #F8FAFC 0%, #EDF2F7 100%);
    border: 1px solid rgba(21, 90, 156, 0.2);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.proof-video-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 0 0.5rem;
}

.proof-video-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: #0369A1;
    background: #E0F2FE;
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    border: 1px solid rgba(3, 105, 161, 0.25);
}

.proof-video-tag {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.proof-video-frame {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    background-color: #0B132B;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.proof-video-player {
    width: 100%;
    max-height: 480px;
    display: block;
    border-radius: 14px;
    background-color: #0B132B;
}

.proof-video-caption {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: var(--color-navy);
    line-height: 1.5;
    text-align: center;
    padding: 0 0.5rem;
}

.proof-video-caption strong {
    color: var(--color-primary);
}

/* Galería de Fotografías de Rollos Reales */
.proof-gallery-header {
    text-align: center;
    margin-bottom: 2rem;
}

.proof-gallery-title {
    font-size: 1.6rem;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
}

.proof-gallery-subtitle {
    color: var(--color-text-muted);
    font-size: 1rem;
}

.proof-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.proof-photo-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    display: flex;
    flex-direction: column;
}

.proof-photo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
    border-color: var(--color-teal);
}

.proof-photo-img-wrap {
    position: relative;
    width: 100%;
    height: 240px;
    background: #F8FAFC;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.proof-photo-img-wrap img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.proof-photo-card:hover .proof-photo-img-wrap img {
    transform: scale(1.05);
}

.proof-photo-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 9999px;
    background: rgba(15, 23, 42, 0.8);
    color: #FFFFFF;
    backdrop-filter: blur(4px);
}

.proof-photo-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.proof-photo-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.4rem;
}

.proof-photo-desc {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.45;
    flex-grow: 1;
}

.proof-cta-row {
    text-align: center;
    margin-top: 1.5rem;
}

/* ==========================================================================
   7. PREGUNTAS FRECUENTES (Acordeón Visual)
   ========================================================================== */
.faq-section {
    padding: 5rem 0;
    background-color: var(--color-bg-ice);
    border-bottom: 1px solid var(--color-border);
}

.faq-list {
    max-width: 880px;
    margin: 2.5rem auto 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.35rem;
}

.faq-item {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: 1.85rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease;
}

.faq-item:hover {
    transform: translateY(-2px);
    border-color: var(--color-teal);
}

.faq-item h3 {
    margin-bottom: 0.75rem;
    color: var(--color-navy);
    font-size: 1.2rem;
}

/* ==========================================================================
   CIERRE Y COTIZACIÓN DIRECTA (WHATSAPP 3004269009 Y 3167153286)
   ========================================================================== */
.cta-final-section {
    padding: 5.5rem 0;
    background: radial-gradient(circle at 50% 100%, rgba(21, 90, 156, 0.1) 0%, rgba(255, 255, 255, 1) 75%);
    text-align: center;
}

.cta-final-container {
    max-width: 860px;
}

.cta-title {
    margin-bottom: 1.35rem;
    font-size: 2.25rem;
    color: var(--color-navy);
}

.cta-description {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
}

.cta-direct-modal-box {
    background: #FFFFFF;
    border-radius: 24px;
    max-width: 580px;
    margin: 2rem auto 0 auto;
    box-shadow: 0 20px 50px rgba(7, 25, 44, 0.12), 0 0 0 1px rgba(7, 25, 44, 0.05);
    overflow: hidden;
    text-align: left;
    position: relative;
}

.cta-direct-box-header {
    background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-primary) 100%);
    color: #FFFFFF;
    padding: 1.5rem 2rem;
    position: relative;
    text-align: center;
}

.cta-direct-box-accent {
    height: 4px;
    background: linear-gradient(90deg, var(--color-green), var(--color-teal), var(--color-purple), var(--color-magenta));
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.cta-direct-subtitle {
    margin: 0;
    font-size: 0.98rem;
    color: rgba(255, 255, 255, 0.92);
    font-weight: 500;
}

.cta-wa-list {
    padding: 1.85rem 2rem 2.15rem 2rem;
}

.whatsapp-channels-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 2.5rem auto 0 auto;
    text-align: left;
}

.wa-direct-card {
    background: #FFFFFF;
    border: 2px solid rgba(37, 211, 102, 0.35);
    border-radius: var(--radius-card);
    padding: 1.65rem 1.45rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.15rem;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    text-decoration: none;
    min-width: 0;
}

.wa-direct-card:hover {
    border-color: var(--color-whatsapp);
    transform: translateY(-5px);
    box-shadow: 0 16px 36px rgba(37, 211, 102, 0.22);
}

.wa-direct-info {
    display: flex;
    align-items: center;
    gap: 1.15rem;
    min-width: 0;
    flex: 1 1 auto;
}

.wa-avatar {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, var(--color-whatsapp) 0%, var(--color-whatsapp-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    flex-shrink: 0;
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35);
}

.wa-direct-details {
    min-width: 0;
}

.wa-direct-details h4 {
    font-size: 1.05rem;
    color: var(--color-navy);
    margin-bottom: 0.2rem;
    white-space: nowrap;
}

.wa-phone-number {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-whatsapp-dark);
    font-family: var(--font-heading);
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.wa-action-badge {
    background-color: var(--color-whatsapp);
    color: #FFFFFF;
    font-size: 0.88rem;
    font-weight: 700;
    padding: 0.65rem 1.15rem;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    flex-shrink: 0;
    white-space: nowrap;
}

/* ==========================================================================
   MODAL SELECTOR DE WHATSAPP
   ========================================================================== */
.wa-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(7, 25, 44, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.wa-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.wa-modal {
    background-color: #FFFFFF;
    border-radius: 24px;
    width: 100%;
    max-width: 520px;
    box-shadow: 0 30px 70px rgba(7, 25, 44, 0.4);
    overflow: hidden;
    transform: scale(0.92);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.wa-modal-overlay.active .wa-modal {
    transform: scale(1);
}

.wa-modal-header {
    background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-primary) 100%);
    color: #FFFFFF;
    padding: 2.25rem 2rem 1.85rem 2rem;
    position: relative;
    text-align: center;
}

.wa-modal-tree-accent {
    height: 5px;
    background: linear-gradient(90deg, var(--color-green), var(--color-teal), var(--color-purple), var(--color-magenta));
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.wa-modal-title {
    color: #FFFFFF;
    font-size: 1.55rem;
    margin-bottom: 0.5rem;
}

.wa-modal-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.wa-modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #FFFFFF;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.35rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.wa-modal-close:hover {
    background: rgba(255, 255, 255, 0.4);
}

.wa-modal-body {
    padding: 2rem;
}

.wa-context-box {
    background-color: var(--color-bg-ice);
    border-left: 4px solid var(--color-teal);
    padding: 0.85rem 1.15rem;
    border-radius: 8px;
    margin-bottom: 1.75rem;
    font-size: 0.925rem;
    color: var(--color-navy);
}

.wa-options-list {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.wa-option-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.35rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-card);
    text-decoration: none;
    transition: all 0.25s ease;
    background-color: #FFFFFF;
}

.wa-option-card:hover {
    border-color: var(--color-whatsapp);
    background-color: rgba(37, 211, 102, 0.05);
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(37, 211, 102, 0.18);
}

.wa-option-info {
    display: flex;
    align-items: center;
    gap: 1.15rem;
}

.wa-option-badge {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-whatsapp);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.wa-option-text h4 {
    font-size: 1.1rem;
    color: var(--color-navy);
    margin-bottom: 0.2rem;
}

.wa-option-number {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-whatsapp-dark);
}

.wa-modal-footer {
    padding: 0 2rem 1.75rem 2rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   BOTÓN FLOTANTE PERMANENTE DE WHATSAPP
   ========================================================================== */
.wa-floating-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 66px;
    height: 66px;
    background: linear-gradient(135deg, var(--color-whatsapp) 0%, var(--color-whatsapp-dark) 100%);
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
    z-index: 990;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 3px solid #FFFFFF;
}

.wa-floating-btn:hover {
    transform: scale(1.12);
    box-shadow: 0 14px 40px rgba(37, 211, 102, 0.65);
}

.wa-floating-tooltip {
    position: absolute;
    right: 80px;
    background-color: var(--color-navy);
    color: #FFFFFF;
    font-size: 0.88rem;
    font-weight: 700;
    padding: 0.5rem 1.1rem;
    border-radius: 10px;
    white-space: nowrap;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
    pointer-events: none;
    opacity: 0;
    transform: translateX(12px);
    transition: all 0.25s ease;
}

.wa-floating-tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -7px;
    transform: translateY(-50%);
    border-width: 7px 0 7px 7px;
    border-style: solid;
    border-color: transparent transparent transparent var(--color-navy);
}

.wa-floating-btn:hover .wa-floating-tooltip {
    opacity: 1;
    transform: translateX(0);
}

@media (max-width: 600px) {
    .wa-floating-btn {
        bottom: 20px;
        right: 20px;
        width: 58px;
        height: 58px;
    }
    .wa-floating-btn svg {
        width: 30px;
        height: 30px;
    }
    .wa-floating-tooltip {
        display: none; /* En pantallas pequeñas se oculta el tooltip para no tapar contenido */
    }
    .wa-modal {
        border-radius: 20px;
        margin: 1rem;
    }
    .wa-modal-header {
        padding: 1.75rem 1.25rem 1.5rem 1.25rem;
    }
    .wa-modal-body {
        padding: 1.5rem 1.25rem;
    }
    .wa-option-card {
        padding: 1rem 1.15rem;
    }
}

/* ==========================================================================
   PIE DE PÁGINA (Footer)
   ========================================================================== */
.site-footer {
    background-color: var(--color-navy-dark);
    color: #FFFFFF;
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.site-footer p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
}

/* ==========================================================================
   ADAPTACIÓN RESPONSIVA (Media Queries)
   ========================================================================== */
@media (min-width: 640px) {
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .dimensions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 680px) and (max-width: 1019px) {
    .whatsapp-channels-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1020px) {
    .whatsapp-channels-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 900px) {
    h1 {
        font-size: 2.85rem;
    }

    h2 {
        font-size: 2.15rem;
    }

    .hero-grid {
        grid-template-columns: 1.15fr 0.85fr;
    }

    .simulator-stage {
        grid-template-columns: 1fr 1fr;
        padding: 3rem;
    }

    .simulator-media-box {
        height: 440px;
    }

    .problem-grid,
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (min-width: 1080px) {
    .dimensions-grid,
    .proof-gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}