/*
    Tecno FreYub - EDICIÓN NAVIDAD PRO 2024
    - Rojo Berry (Innovación/Fiesta): #D62828
    - Verde Pino (Profesional/Base): #1B4332
    - Dorado (Acento/Luces): #F77F00
    - Negro base (Tu Logo): #000000
    - Blanco (Nieve): #ffffff
*/

/* Reset básico y tipografía */
:root {
    /* CAMBIOS NAVIDEÑOS: Paleta de colores festiva pero tecnológica */
    --color-primary: #D62828;      /* Rojo vibrante moderno */
    --color-primary-dark: #A01A23; /* Rojo oscuro para profundidad */
    --color-secondary: #1B4332;    /* Verde pino elegante (reemplaza al azul) */
    --color-accent: #F77F00;       /* Nuevo: Dorado/Naranja para toques de luz */
    
    --color-surface: #ffffff;
    --color-surface-alt: #F8F9FA;  /* Un gris muy frío, casi nieve */
    --color-text: #1b2533;
    --color-text-light: #516072;
    --color-border: #EDECEC;
    
    /* Sombras con un toque cálido/festivo muy sutil */
    --color-shadow: rgba(160, 26, 35, 0.08); 
    
    --radius-large: 24px;
    --radius-medium: 16px;
    --radius-small: 8px;
    
    --shadow-soft: 0 20px 45px rgba(0, 0, 0, 0.05);
    --shadow-card: 0 14px 32px rgba(27, 67, 50, 0.06); /* Sombra con tinte verde pino */
    --shadow-hover: 0 24px 40px rgba(214, 40, 40, 0.15); /* Glow rojo al pasar el mouse */
    
    --font-base: 'Poppins', 'Segoe UI', Arial, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-base);
    /* Gradiente "Nieve de la mañana": Blanco a un gris azulado muy tenue */
    background: linear-gradient(180deg, #ffffff 0%, #f3f6f8 100%);
    color: var(--color-text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1180px, calc(100% - 3rem));
    margin: 0 auto;
}

/* Efecto "Glassmorphism" congelado para el menú */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 900;
    background: rgba(255, 255, 255, 0.90);
    backdrop-filter: blur(16px); /* Más borroso para efecto hielo */
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 84px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 600;
    color: var(--color-text);
}

.logo-freyub {
    height: 44px;
    width: auto;
    /* Tu logo es negro, así que se ve perfecto sobre el fondo blanco/hielo */
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-links a {
    font-size: 0.96rem;
    font-weight: 500;
    color: var(--color-text-light);
    padding: 0.55rem 0;
    position: relative;
    transition: color 0.3s ease;
}

/* El subrayado ahora es un gradiente navideño (Rojo a Dorado) */
.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.25s ease;
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-cta .btn {
    padding: 0.55rem 1.2rem;
}

.burger-menu {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.burger-menu span {
    display: block;
    width: 22px;
    height: 3px;
    background: var(--color-text);
    border-radius: 999px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.burger-menu span + span {
    margin-top: 5px;
}

.nav-open .burger-menu span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-open .burger-menu span:nth-child(2) {
    opacity: 0;
}

.nav-open .burger-menu span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.hero {
    margin: 3.5rem auto 2.5rem;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.95fr);
    gap: 2.5rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

/* Badge estilo "Regalo" o "Oferta Especial" */
.badge {
    align-self: flex-start;
    background: rgba(214, 40, 40, 0.1); /* Fondo rojo muy suave */
    color: var(--color-primary);
    border: 1px solid rgba(214, 40, 40, 0.2);
    border-radius: 999px;
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-content h1 {
    font-size: clamp(2.25rem, 4vw, 3.4rem);
    line-height: 1.08;
    color: var(--color-text);
}

.hero-content p {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 34rem;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    border-radius: 999px;
    padding: 0.75rem 1.65rem;
    font-size: 0.98rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Botón Principal: Gradiente Navideño Moderno */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #B91C1C 100%);
    color: #ffffff;
    box-shadow: 0 10px 20px rgba(214, 40, 40, 0.25);
    border: 1px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(214, 40, 40, 0.4);
    /* Sutil borde dorado al hacer hover */
    border-color: rgba(255, 215, 0, 0.3);
}

/* Botón Secundario: Tinte Verde Pino */
.btn-secondary {
    background: rgba(27, 67, 50, 0.08);
    color: var(--color-secondary);
}

.btn-secondary:hover {
    background: rgba(27, 67, 50, 0.15);
    color: #0F291E;
}

.btn-ghost {
    background: transparent;
    color: var(--color-secondary);
    border: 1px solid rgba(27, 67, 50, 0.25);
}

.btn-ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-small {
    padding: 0.55rem 1.05rem;
    font-size: 0.85rem;
}

.hero-bullets {
    list-style: none;
    display: grid;
    gap: 0.65rem;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.hero-bullets i {
    color: var(--color-primary); /* Iconos en Rojo */
    margin-right: 0.55rem;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-top: 0.8rem;
}

.hero-metrics strong {
    font-size: 1.8rem;
    color: var(--color-secondary); /* Métricas en Verde Pino */
}

.hero-media {
    position: relative;
}

.hero-card {
    background: var(--color-surface);
    border-radius: var(--radius-large);
    padding: 2.25rem;
    /* Sombra más sofisticada */
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 28rem;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.hero-card h3 {
    font-size: 1.2rem;
    color: var(--color-secondary);
}

.hero-card p {
    color: var(--color-text-light);
    font-size: 0.98rem;
}

.hero-card-note {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.45;
}

.card-stats {
    display: grid;
    gap: 1rem;
}

.card-stats .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-light);
    letter-spacing: 0.08em;
}

.card-stats strong {
    font-size: 1.35rem;
    color: var(--color-text);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border-radius: 999px;
    background: rgba(27, 67, 50, 0.1);
    color: var(--color-secondary);
    padding: 0.45rem 0.9rem;
    font-size: 0.82rem;
}

.chip-accent {
    background: rgba(214, 40, 40, 0.1);
    color: var(--color-primary);
}

.hero-card-footer {
    margin-top: auto;
    display: flex;
    justify-content: center;
}

.hero-card-chip {
    font-size: 0.88rem;
    padding: 0.55rem 1.35rem;
    box-shadow: var(--shadow-card);
    text-align: center;
    background: #fff;
}

.section {
    padding: 4rem 0;
}

.section-shell {
    background: var(--color-surface);
    border-radius: var(--radius-large);
    padding: 3rem;
    box-shadow: var(--shadow-soft);
}

.section-shell--stats {
    /* Fondo ligeramente gris azulado, "Frío" */
    background: var(--color-surface-alt);
}

.section-shell--cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    /* Gradiente del CTA: Verde Pino profundo a un verde un poco más claro */
    background: linear-gradient(135deg, #1B4332 0%, #2D6A4F 100%);
    color: white; /* Forzar texto blanco en el CTA */
}

/* Ajustes de texto dentro del CTA oscuro */
.section-shell--cta h2,
.section-shell--cta p {
    color: #ffffff !important;
}

.section-heading {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.section-heading h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    color: var(--color-text);
}

.section-heading p {
    color: var(--color-text-light);
    max-width: 36rem;
    font-size: 1rem;
}

.grid {
    display: grid;
    gap: 1.8rem;
}

.products-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.product-card,
.service-card,
.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-medium);
    padding: 2.1rem 2rem;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    border: 1px solid rgba(0,0,0,0.02);
}

.product-card:hover,
.service-card:hover,
.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    /* Borde sutil rojo al flotar */
    border-top: 3px solid var(--color-primary);
}

.product-card h3,
.service-card h3 {
    font-size: 1.2rem;
    color: var(--color-secondary);
}

.product-card p,
.service-card p,
.stat-card p {
    color: var(--color-text-light);
    font-size: 0.98rem;
}

.product-card ul {
    list-style: none;
    display: grid;
    gap: 0.6rem;
    padding-left: 0;
    color: var(--color-text-light);
}

.product-card ul li::before {
    content: "•";
    color: var(--color-primary);
    margin-right: 0.6rem;
    font-size: 1.2em;
}

.card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: auto;
}

/* Botones dentro del CTA oscuro */
.section-shell--cta .btn-primary {
    background: #ffffff;
    color: var(--color-secondary);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.section-shell--cta .btn-primary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

.section-shell--cta .btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
}

.section-shell--cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

.services-grid i {
    font-size: 1.8rem;
    color: var(--color-primary); /* Iconos rojos */
}

.stat-card strong {
    font-size: 1.05rem;
    color: var(--color-secondary);
}

.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

.footer-top {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
    align-items: flex-start;
}

.footer-brand p {
    color: var(--color-text-light);
    max-width: 18rem;
    font-size: 0.95rem;
}

.footer-brand .logo-freyub--footer {
    height: 44px;
}

.footer-columns h4 {
    font-size: 0.98rem;
    margin-bottom: 1rem;
    color: var(--color-secondary);
}

.footer-columns {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    align-items: flex-start;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-list {
    list-style: none;
    display: grid;
    gap: 0.55rem;
    padding: 0;
    margin: 0;
    color: var(--color-text-light);
}

.footer-list a {
    color: var(--color-text-light);
    transition: color 0.2s;
}

.footer-list a:hover {
    color: var(--color-primary);
}

.footer-social {
    display: inline-flex;
    gap: 0.75rem;
}

.footer-social .social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(214, 40, 40, 0.08);
    color: var(--color-primary);
    transition: all 0.3s ease;
}

.footer-social .social-link:hover {
    background: var(--color-primary);
    color: #ffffff;
    transform: translateY(-2px) rotate(8deg); /* Pequeña rotación divertida */
}

.footer-bottom {
    margin-top: 2.5rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    color: var(--color-text-light);
    font-size: 0.88rem;
}

.legal-links {
    display: inline-flex;
    gap: 1.25rem;
}

/* Botón Flotante con gradiente navideño */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 950;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    /* WhatsApp verde, pero más profundo para encajar con el tema */
    background: linear-gradient(140deg, #25D366 0%, #128C7E 100%);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    border: 2px solid white;
}

.whatsapp-float:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 25px rgba(37, 211, 102, 0.4);
}

.pulse {
    animation: pulse 0.36s;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

[data-animate].will-animate {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1200px) {
    .hero {
        gap: 2rem;
    }
}

@media (max-width: 960px) {
    .nav-links {
        position: absolute;
        top: 100%;
        right: 1.5rem;
        left: 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
        background: var(--color-surface);
        padding: 1.5rem;
        border-radius: var(--radius-medium);
        box-shadow: var(--shadow-card);
        display: none;
        border: 1px solid var(--color-border);
    }

    .nav-links.is-open {
        display: flex;
    }

    .burger-menu {
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
        gap: 4px;
    }

    .hero {
        grid-template-columns: 1fr;
        margin-top: 2.5rem;
    }

    .hero-card {
        margin: 0 auto;
    }

    .section-shell {
        padding: 2.4rem;
    }

    .section-shell--cta {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-top {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .container {
        width: calc(100% - 2.4rem);
    }

    .nav-inner {
        min-height: 72px;
    }

    .hero-actions,
    .card-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section-shell,
    .hero-card {
        padding: 2rem;
    }

    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }

    .whatsapp-float {
        width: 52px;
        height: 52px;
        bottom: 18px;
        right: 18px;
    }
}
/* =========================================
   EFECTOS NAVIDEÑOS EXTRA (CSS PURO)
   ========================================= */

/* 1. NIEVE DIGITAL "TECNOLÓGICA" 
   Usa un degradado radial para simular copos sin cargar imágenes.
   Color: Gris azulado (#cbd5e1) para que se vea sobre el fondo blanco.
*/
body::before {
    content: "";
    position: fixed;
    top: -10px;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none; /* Permite hacer clic a través de la nieve */
    z-index: 9999;
    background-image: 
        radial-gradient(3px 3px at 20% 30%, #cbd5e1 50%, transparent),
        radial-gradient(3px 3px at 40% 70%, #cbd5e1 50%, transparent),
        radial-gradient(3px 3px at 60% 20%, #cbd5e1 50%, transparent),
        radial-gradient(4px 4px at 80% 40%, #a0aec0 50%, transparent),
        radial-gradient(3px 3px at 10% 90%, #cbd5e1 50%, transparent);
    background-size: 550px 550px;
    animation: digitalSnow 12s linear infinite;
    opacity: 0.6;
}

@keyframes digitalSnow {
    0% {
        background-position: 0 0, 0 0, 0 0, 0 0, 0 0;
    }
    100% {
        background-position: 20px 550px, 50px 550px, -20px 550px, 30px 550px, -10px 550px;
    }
}

/* 2. BORDE FESTIVO EN EL MENÚ 
   Añade una línea superior tricolor (Rojo, Verde, Dorado)
*/
.site-nav {
    border-top: 4px solid transparent;
    border-image: linear-gradient(90deg, 
        var(--color-primary) 0%, 
        var(--color-secondary) 50%, 
        var(--color-accent) 100%
    ) 1;
}

/* 3. ANIMACIÓN "CASCABEL" PARA WHATSAPP
   Hace que el botón se mueva como una campana cada cierto tiempo
*/
.whatsapp-float {
    animation: jingleBell 3s ease-in-out infinite;
    transform-origin: top center;
}

@keyframes jingleBell {
    0%, 50%, 100% { transform: rotate(0deg) scale(1); }
    5%, 15%, 25% { transform: rotate(8deg) scale(1.1); }
    10%, 20%, 30% { transform: rotate(-8deg) scale(1.1); }
    35% { transform: rotate(0deg) scale(1); }
}

/* 4. TOQUE DORADO EN TARJETAS AL PASAR EL MOUSE
   Reemplaza el borde rojo simple por un brillo dorado navideño
*/
.product-card:hover,
.service-card:hover {
    border-top: none; /* Quitamos el borde sólido anterior */
    box-shadow: 0 20px 40px rgba(247, 127, 0, 0.15); /* Sombra dorada */
    transform: translateY(-8px);
}
.product-card:hover::before,
.service-card:hover::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-medium) var(--radius-medium) 0 0;
}