@import url('variables.css');

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

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

body {
    font-family: var(--font-principal);
    background-color: var(--bg-light);
    color: var(--color-azul-noche);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

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

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

/* Layout General */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.main-content {
    flex: 1;
}

/* Header & Navbar */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-plata);
    box-shadow: var(--sombra-sm);
    transition: var(--transicion);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    position: relative;
    width: 100%;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-logo {
    height: 44px;
    width: auto;
    object-fit: contain;
}

.brand-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--color-azul-noche);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 0.7rem;
    color: var(--color-terracota);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

/* Backdrop para oscurecer la página cuando el menú móvil esté abierto */
.nav-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-backdrop.active {
    display: block;
    opacity: 1;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.4rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item a {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-azul-gris);
    position: relative;
    padding: 6px 0;
    white-space: nowrap;
}

.nav-item a:hover,
.nav-item a.active {
    color: var(--color-terracota);
}

.nav-item a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-terracota);
    border-radius: var(--radio-pill);
}

.nav-item-mobile-only {
    display: none;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.btn-compact {
    font-size: 0.8rem;
    padding: 7px 12px;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: var(--radio-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transicion);
    text-align: center;
}

.btn-primary {
    background-color: var(--color-terracota);
    color: var(--bg-white);
    box-shadow: 0 2px 6px rgba(218, 119, 38, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-arcilla);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(218, 119, 38, 0.4);
}

.btn-secondary {
    background-color: var(--color-azul-noche);
    color: var(--bg-white);
}

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

.btn-outline {
    background-color: transparent;
    border-color: var(--color-terracota);
    color: var(--color-terracota);
}

.btn-outline:hover {
    background-color: var(--color-terracota);
    color: var(--bg-white);
}

.btn-portal {
    background: linear-gradient(135deg, var(--color-azul-noche) 0%, #17223b 100%);
    color: var(--bg-white);
    border: 1px solid rgba(218, 119, 38, 0.4);
    padding: 9px 18px;
    box-shadow: var(--sombra-sm);
}

.btn-portal:hover {
    border-color: var(--color-terracota);
    box-shadow: 0 4px 14px rgba(36, 51, 81, 0.25);
    transform: translateY(-2px);
}

.btn-portal .portal-badge {
    background-color: var(--color-terracota);
    color: #fff;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: var(--radio-pill);
    font-weight: 800;
    text-transform: uppercase;
}

.menu-toggle {
    display: none;
    background: rgba(36, 51, 81, 0.06);
    border: 1px solid var(--color-plata);
    border-radius: var(--radio-sm);
    width: 40px;
    height: 40px;
    font-size: 1.3rem;
    color: var(--color-azul-noche);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: var(--transicion);
    line-height: 1;
}

.menu-toggle:hover,
.menu-toggle[aria-expanded="true"] {
    background-color: var(--color-azul-noche);
    color: #fff;
    border-color: var(--color-azul-noche);
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #1b263b 0%, var(--color-azul-noche) 60%, #151e30 100%);
    color: var(--bg-white);
    padding: 90px 0 80px;
    overflow: hidden;
    border-bottom: 4px solid var(--color-terracota);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(218, 119, 38, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3.5rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(218, 119, 38, 0.18);
    border: 1px solid rgba(218, 119, 38, 0.5);
    color: #ff9e47;
    padding: 6px 14px;
    border-radius: var(--radio-pill);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.2rem;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.2rem;
    letter-spacing: -1px;
}

.hero-title .highlight {
    color: var(--color-terracota);
    background: linear-gradient(120deg, #ff9e47, var(--color-terracota));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: #cdd4df;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

/* Tarjeta de Telemetría Hero */
.telemetry-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(16px);
    border-radius: var(--radio-lg);
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.telemetry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.telemetry-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--color-exito);
    font-weight: 700;
    text-transform: uppercase;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-exito);
    border-radius: 50%;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.telemetry-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.metric-item {
    background: rgba(0, 0, 0, 0.2);
    padding: 12px;
    border-radius: var(--radio-sm);
    border-left: 3px solid var(--color-terracota);
}

.metric-label {
    font-size: 0.72rem;
    color: #a0a6b1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
}

/* Indicadores / KPIs */
.kpi-section {
    padding: 40px 0;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--color-plata);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.kpi-item {
    padding: 10px;
}

.kpi-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-azul-noche);
    line-height: 1;
    margin-bottom: 6px;
}

.kpi-number span {
    color: var(--color-terracota);
}

.kpi-label {
    font-size: 0.88rem;
    color: var(--color-pizarra);
    font-weight: 600;
}

/* Secciones Generales */
.section {
    padding: 70px 0;
}

.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 50px;
}

.section-tag {
    display: inline-block;
    color: var(--color-terracota);
    font-weight: 800;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-azul-noche);
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--color-pizarra);
}

/* Tarjetas de Sectores */
.sectores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
    gap: 1.5rem;
}

.sector-card {
    background: var(--bg-white);
    border: 1px solid var(--color-plata);
    border-radius: var(--radio-md);
    padding: 24px;
    text-align: center;
    box-shadow: var(--sombra-sm);
    transition: var(--transicion);
    position: relative;
    overflow: hidden;
}

.sector-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-terracota);
    box-shadow: var(--sombra-hover);
}

.sector-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.sector-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-azul-noche);
    margin-bottom: 10px;
}

.sector-desc {
    font-size: 0.85rem;
    color: var(--color-azul-gris);
    line-height: 1.5;
}

/* Tarjetas de Servicios */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr));
    gap: 2rem;
}

.servicio-card {
    background: var(--bg-white);
    border: 1px solid var(--color-plata);
    border-radius: var(--radio-lg);
    padding: 30px;
    box-shadow: var(--sombra-sm);
    display: flex;
    flex-direction: column;
    transition: var(--transicion);
}

.servicio-card:hover {
    border-color: var(--color-terracota);
    transform: translateY(-5px);
    box-shadow: var(--sombra-md);
}

.servicio-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.servicio-icon {
    width: 56px;
    height: 56px;
    background-color: rgba(218, 119, 38, 0.1);
    color: var(--color-terracota);
    border-radius: var(--radio-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.servicio-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-terracota);
    text-transform: uppercase;
}

.servicio-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-azul-noche);
}

.servicio-desc {
    font-size: 0.92rem;
    color: var(--color-azul-gris);
    margin-bottom: 20px;
    flex: 1;
}

.servicio-list {
    list-style: none;
    margin-bottom: 24px;
}

.servicio-list li {
    font-size: 0.85rem;
    color: var(--color-azul-noche);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.servicio-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-terracota);
    font-weight: bold;
}

/* Vista Detallada de Servicios (/servicios) */
.servicios-detail-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.servicio-detail-card {
    background: var(--bg-white);
    border: 1px solid var(--color-plata);
    border-radius: var(--radio-lg);
    padding: 38px;
    box-shadow: var(--sombra-sm);
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 3rem;
    align-items: center;
    transition: var(--transicion);
}

.servicio-detail-card:hover {
    box-shadow: var(--sombra-md);
}

.servicio-detail-card.border-terracota {
    border-left: 6px solid var(--color-terracota);
}

.servicio-detail-card.border-azul {
    border-left: 6px solid var(--color-azul-noche);
}

.servicio-detail-cta {
    background: var(--bg-light);
    border: 1px solid var(--color-plata);
    border-radius: var(--radio-md);
    padding: 28px 22px;
    text-align: center;
}

/* Casos de Éxito */
.casos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 1.8rem;
}

.caso-card {
    background: var(--bg-white);
    border: 1px solid var(--color-plata);
    border-radius: var(--radio-md);
    padding: 26px;
    box-shadow: var(--sombra-sm);
    transition: var(--transicion);
    border-top: 4px solid var(--color-azul-noche);
}

.caso-card:hover {
    border-top-color: var(--color-terracota);
    transform: translateY(-4px);
    box-shadow: var(--sombra-md);
}

.caso-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.caso-cat {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-terracota);
    background: rgba(218, 119, 38, 0.1);
    padding: 3px 8px;
    border-radius: var(--radio-pill);
}

.caso-ubica {
    font-size: 0.75rem;
    color: var(--color-pizarra);
}

.caso-nombre {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-azul-noche);
    margin-bottom: 10px;
}

.caso-resumen {
    font-size: 0.88rem;
    color: var(--color-azul-gris);
    margin-bottom: 16px;
}

.caso-logros {
    list-style: none;
    border-top: 1px dashed var(--color-plata);
    padding-top: 12px;
}

.caso-logros li {
    font-size: 0.8rem;
    color: var(--color-azul-noche);
    margin-bottom: 6px;
    padding-left: 18px;
    position: relative;
}

.caso-logros li::before {
    content: '★';
    position: absolute;
    left: 0;
    color: var(--color-terracota);
    font-size: 0.7rem;
}

/* Portafolio SaaS */
.saas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 2rem;
}

.saas-card {
    background: var(--bg-white);
    border: 1px solid var(--color-plata);
    border-radius: var(--radio-lg);
    padding: 30px;
    box-shadow: var(--sombra-sm);
    display: flex;
    flex-direction: column;
    transition: var(--transicion);
    position: relative;
    overflow: hidden;
}

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

.saas-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    background-color: var(--color-azul-noche);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radio-pill);
}

.saas-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.saas-icon {
    font-size: 2.2rem;
}

.saas-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-azul-noche);
}

.saas-sub {
    font-size: 0.82rem;
    color: var(--color-pizarra);
}

.saas-desc {
    font-size: 0.9rem;
    color: var(--color-azul-gris);
    margin-bottom: 20px;
    flex: 1;
}

.saas-features {
    list-style: none;
    margin-bottom: 24px;
    background: var(--bg-light);
    padding: 16px;
    border-radius: var(--radio-md);
}

.saas-features li {
    font-size: 0.82rem;
    color: var(--color-azul-noche);
    margin-bottom: 8px;
    padding-left: 18px;
    position: relative;
}

.saas-features li:last-child {
    margin-bottom: 0;
}

.saas-features li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    font-size: 0.75rem;
}

/* Portafolio SaaS Detallado (/portafolio-saas) */
.saas-showcase-list {
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

.saas-showcase-card {
    background: var(--bg-white);
    border: 1px solid var(--color-plata);
    border-radius: var(--radio-lg);
    padding: 38px;
    box-shadow: var(--sombra-sm);
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 3rem;
    align-items: center;
    transition: var(--transicion);
}

.saas-showcase-card:hover {
    box-shadow: var(--sombra-md);
    border-color: rgba(218, 119, 38, 0.4);
}

.saas-showcase-badge-box {
    background: linear-gradient(135deg, #1e293b 0%, var(--color-azul-noche) 100%);
    border-radius: var(--radio-lg);
    padding: 30px;
    color: #fff;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Página Acerca de Mí (/acerca) */
.acerca-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 3.5rem;
    align-items: start;
}

.acerca-profile-card {
    background: var(--bg-light);
    border: 1px solid var(--color-plata);
    border-radius: var(--radio-lg);
    padding: 28px 22px;
    text-align: center;
    box-shadow: var(--sombra-sm);
}

.acerca-pilares-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 30px;
}

/* Cursos */
.cursos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr));
    gap: 2rem;
}

.curso-card {
    background: var(--bg-white);
    border: 1px solid var(--color-plata);
    border-radius: var(--radio-lg);
    padding: 30px;
    box-shadow: var(--sombra-sm);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transicion);
}

.curso-card.destacado {
    border: 2px solid var(--color-terracota);
    box-shadow: var(--sombra-md);
}

.curso-tag-tipo {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: var(--radio-pill);
    margin-bottom: 12px;
    align-self: flex-start;
}

.tag-unico {
    background-color: rgba(36, 51, 81, 0.1);
    color: var(--color-azul-noche);
}

.tag-recurrente {
    background-color: rgba(218, 119, 38, 0.15);
    color: var(--color-terracota);
}

.curso-precio {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-azul-noche);
    margin-bottom: 14px;
}

.curso-incluye {
    list-style: none;
    margin: 20px 0;
    flex: 1;
}

.curso-incluye li {
    font-size: 0.85rem;
    color: var(--color-azul-gris);
    margin-bottom: 10px;
    padding-left: 22px;
    position: relative;
}

.curso-incluye li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--color-exito);
    font-weight: bold;
}

/* Contacto & Formularios */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: flex-start;
}

.contact-info-card {
    background: var(--color-azul-noche);
    color: #fff;
    padding: 36px;
    border-radius: var(--radio-lg);
    box-shadow: var(--sombra-md);
}

.contact-info-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.contact-info-desc {
    color: #cdd4df;
    margin-bottom: 28px;
    font-size: 0.95rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 30px;
}

.contact-method-item {
    display: flex;
    align-items: center;
    gap: 14px;
}

.method-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--color-terracota);
}

.method-label {
    font-size: 0.75rem;
    color: var(--color-plata);
    text-transform: uppercase;
}

.method-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
}

.whatsapp-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-whatsapp {
    background-color: #25D366;
    color: #fff;
    font-weight: 700;
    border-radius: var(--radio-sm);
    padding: 12px 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background-color: #20bd5a;
    transform: translateY(-2px);
}

.form-card {
    background: var(--bg-white);
    padding: 36px;
    border-radius: var(--radio-lg);
    border: 1px solid var(--color-plata);
    box-shadow: var(--sombra-sm);
}

.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-azul-noche);
    margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-plata);
    border-radius: var(--radio-sm);
    font-family: var(--font-principal);
    font-size: 0.92rem;
    color: var(--color-azul-noche);
    background-color: var(--bg-white);
    transition: var(--transicion);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-terracota);
    box-shadow: 0 0 0 3px rgba(218, 119, 38, 0.15);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

@media (max-width: 600px) {
    .form-row-2col {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* Footer */
.site-footer {
    background-color: var(--color-azul-noche);
    color: #fff;
    padding: 60px 0 30px;
    margin-top: auto;
    border-top: 4px solid var(--color-terracota);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
    margin-bottom: 40px;
}

.footer-brand p {
    color: #cdd4df;
    font-size: 0.88rem;
    margin-top: 14px;
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    border-bottom: 2px solid var(--color-terracota);
    display: inline-block;
    padding-bottom: 4px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #cdd4df;
    font-size: 0.85rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--color-plata);
}

/* ==============================================================================
   RESPONSIVIDAD Y SISTEMA MULTIPANTALLA
   ============================================================================== */

/* Pantallas medianas / Laptops pequeñas: Compactar barra de navegación */
@media (max-width: 1220px) {
    .nav-links {
        gap: 0.9rem;
    }

    .nav-item a {
        font-size: 0.84rem;
    }

    .brand-title {
        font-size: 1.05rem;
    }

    .brand-subtitle {
        font-size: 0.65rem;
    }

    .btn-portal {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
}

/* Tabletas y pantallas hasta 1024px: Menú desplegable tipo Drawer */
@media (max-width: 1024px) {
    .menu-toggle {
        display: inline-flex;
    }

    .nav-links {
        position: fixed;
        top: 76px;
        left: 0;
        width: 100%;
        max-height: calc(100vh - 76px);
        overflow-y: auto;
        background: linear-gradient(180deg, #1d283f 0%, var(--color-azul-noche) 100%);
        border-bottom: 3px solid var(--color-terracota);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 16px 20px 30px;
        z-index: 999;
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .nav-item a {
        display: flex;
        align-items: center;
        padding: 14px 10px;
        font-size: 1rem;
        color: #e2e8f0;
        font-weight: 600;
        width: 100%;
        border-radius: var(--radio-sm);
    }

    .nav-item a:hover,
    .nav-item a.active {
        color: #ff9e47;
        background: rgba(255, 255, 255, 0.05);
        padding-left: 16px;
    }

    .nav-item a.active::after {
        display: none;
    }

    .nav-item a.active::before {
        content: '▸ ';
        color: var(--color-terracota);
        margin-right: 8px;
        font-weight: bold;
    }

    .nav-item-mobile-only {
        display: block;
        margin-top: 14px;
        padding-top: 10px;
        border-bottom: none;
    }

    .mobile-menu-cta {
        width: 100%;
        padding: 12px;
        font-size: 0.95rem;
        justify-content: center;
    }

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

    .hero-actions {
        justify-content: center;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    /* Apilamiento responsive para tarjetas detalladas */
    .saas-showcase-card,
    .servicio-detail-card {
        grid-template-columns: 1fr;
        gap: 2.2rem;
        padding: 30px 24px;
    }

    .acerca-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

/* Teléfonos y pantallas móviles medianas (hasta 768px) */
@media (max-width: 768px) {
    .site-header {
        height: 70px;
    }

    .navbar {
        height: 70px;
    }

    .nav-links {
        top: 70px;
        max-height: calc(100vh - 70px);
    }

    .hero-title {
        font-size: clamp(1.8rem, 4.5vw, 2.3rem);
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .kpi-grid {
        grid-template-columns: 1fr 1fr;
    }

    .saas-showcase-card,
    .servicio-detail-card {
        padding: 24px 18px;
        gap: 1.8rem;
    }

    .acerca-profile-card {
        padding: 24px 18px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

/* Teléfonos compactos (hasta 540px) */
@media (max-width: 540px) {
    .site-header .container {
        padding: 0 1rem;
    }

    .brand-logo {
        height: 38px;
    }

    .brand-title {
        font-size: 0.98rem;
    }

    .brand-subtitle {
        display: none;
        /* Oculta subtítulo para que no se apriete con los botones */
    }

    .header-portal-btn .portal-text {
        display: none;
        /* En teléfonos muy estrechos muestra solo "B2B" en el header */
    }

    .header-portal-btn {
        padding: 7px 10px;
        font-size: 0.78rem;
    }

    .hide-on-mobile {
        display: none;
    }

    .btn-compact {
        padding: 6px 8px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .telemetry-metrics {
        grid-template-columns: 1fr;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .kpi-number {
        font-size: 2.1rem;
    }

    .form-card,
    .contact-info-card {
        padding: 24px 18px;
    }

    .acerca-pilares-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .saas-showcase-card,
    .servicio-detail-card {
        padding: 20px 16px;
    }

    .saas-showcase-badge-box,
    .servicio-detail-cta {
        padding: 22px 16px;
    }
}