/* ==========================================================================
   1. VARIABLES GLOBALES DE COLOR - TENDENCIAS WEBS HUBSPOT (DARK)
   ========================================================================== */
:root { 
    /* FONDO NEGRO PROFUNDO TECNOLÓGICO Y SUPERFICIES */
    --bg: #0A0E17;              /* Negro Profundo Principal */
    --bg-card: #131926;         /* Tarjetas y contenedores con elevación */
    --surface: #1E2638;         /* Superficie de contraste suave */
    
    /* COLORES VIBRANTES DE ALTO IMPACTO */
    --primary: #1D4ED8;         /* Azul Rey Vibrante */
    --primary-hover: #1E40AF;   /* Azul Rey Oscuro */
    --primary-soft: rgba(29, 78, 216, 0.18); 
    
    --accent: #D9231D;          /* Rojo Corporativo VIVO */
    --accent-hover: #B91C1C;    /* Rojo Oscuro */
    
    --text: #F8FAFC;            /* Blanco puro ultralegible */
    --muted: #94A3B8;           /* Gris tenue para textos secundarios */
    
    /* BORDES Y EFECTOS DE RESPLANDOR (GLOW EFFECTS) */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-active: #1D4ED8;
    --shadow-glow: 0 10px 30px -10px rgba(29, 78, 216, 0.35);
    --shadow-red: 0 10px 30px -10px rgba(217, 35, 29, 0.45);
    --shadow-card: 0 16px 36px rgba(0, 0, 0, 0.6);
} 

/* ==========================================================================
   2. REINICIO Y ESTILOS BASE
   ========================================================================== */
* { 
    box-sizing: border-box; 
    margin: 0;
    padding: 0;
} 

html { 
    scroll-behavior: smooth; 
} 

body { 
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif; 
    background-color: var(--bg); 
    background-image: 
        radial-gradient(circle at 10% 15%, rgba(29, 78, 216, 0.20), transparent 40%), 
        radial-gradient(circle at 90% 85%, rgba(217, 35, 29, 0.16), transparent 40%);
    color: var(--text); 
    line-height: 1.6; 
} 

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

button {
    font-family: inherit;
}

main { 
    width: min(1200px, calc(100% - 32px)); 
    margin: 0 auto; 
} 

/* ==========================================================================
   3. BARRA DE NAVEGACIÓN STICKY CON EFECTO VIDRIO ESMERILADO
   ========================================================================== */
header.navbar { 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    width: min(1200px, calc(100% - 32px)); 
    margin: 15px auto 0; 
    padding: 14px 28px; 
    background: rgba(19, 25, 38, 0.85); 
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-color); 
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
} 

.logo { 
    font-size: 1.8rem; 
    font-weight: 900; 
    letter-spacing: 0.05em; 
    color: #FFFFFF; 
} 

.logo-img {
    height: 50px;
    width: auto;
    max-width: 260px;
    display: block;
    object-fit: contain;
}

nav { 
    display: flex; 
    align-items: center; 
    gap: 1.4rem; 
} 

nav a { 
    position: relative;
    font-size: 0.95rem; 
    font-weight: 700; 
    color: #E2E8F0; 
    transition: color 0.2s ease; 
} 

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

.menu-btn { 
    display: none; 
    background: var(--primary); 
    color: white; 
    border: none; 
    border-radius: 12px; 
    width: 44px; 
    height: 44px; 
    font-size: 1.3rem; 
    cursor: pointer; 
} 

/* ==========================================================================
   4. SECCIÓN HERO Y ENCABEZADOS DE ALTO IMPACTO
   ========================================================================== */
.hero { 
    position: relative; 
    width: min(1200px, calc(100% - 32px)); 
    margin: 28px auto 0; 
    padding: 68px 36px 56px; 
    background: var(--bg-card); 
    border: 1px solid var(--border-color); 
    border-radius: 28px; 
    box-shadow: var(--shadow-card); 
    overflow: hidden; 
} 

.hero::before { 
    content: ""; 
    position: absolute; 
    right: -60px; 
    top: -60px; 
    width: 320px; 
    height: 320px; 
    background: radial-gradient(circle, rgba(29, 78, 216, 0.25), transparent 70%); 
    border-radius: 50%; 
} 

.hero-content { 
    position: relative; 
    z-index: 1; 
    max-width: 780px; 
} 

.mini-title { 
    margin: 0 0 14px; 
    font-size: 0.8rem; 
    font-weight: 800; 
    letter-spacing: 0.2em; 
    text-transform: uppercase; 
    color: var(--accent); 
} 

h1 { 
    margin: 0 0 18px; 
    font-size: clamp(2.8rem, 5vw, 4.8rem); 
    line-height: 1.02; 
    letter-spacing: -0.04em; 
    color: #FFFFFF; 
    font-weight: 900;
} 

.hero p { 
    margin: 0 0 28px; 
    max-width: 680px; 
    font-size: 1.15rem; 
    color: var(--muted); 
} 

.hero-buttons { 
    display: flex; 
    align-items: center; 
    gap: 16px; 
    flex-wrap: wrap; 
} 

/* ==========================================================================
   5. BOTONES DE ACCIÓN (AZUL REY Y ROJO CORPORATIVO)
   ========================================================================== */
.btn { 
    display: inline-flex; 
    align-items: center; 
    justify-content: center; 
    padding: 14px 28px; 
    border-radius: 50px; 
    font-weight: 800; 
    font-size: 0.95rem;
    letter-spacing: 0.02em; 
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease; 
    border: none;
    cursor: pointer;
} 

.btn:hover { 
    transform: translateY(-2px); 
} 

.btn.principal { 
    background-color: var(--primary); 
    color: #FFFFFF; 
    box-shadow: var(--shadow-glow); 
} 

.btn.principal:hover { 
    background-color: var(--primary-hover); 
} 

.btn.secundario { 
    background-color: var(--surface); 
    color: #FFFFFF; 
    border: 1px solid var(--border-color); 
} 

.btn.secundario:hover { 
    border-color: var(--primary); 
    background-color: rgba(30, 38, 56, 0.9);
} 

/* ==========================================================================
   6. SECCIONES GENERALES Y TARJETAS CON EFECTO DE GLOW
   ========================================================================== */
.section { 
    width: min(1200px, calc(100% - 32px)); 
    margin: 0 auto; 
    padding: 70px 0; 
} 

.section-title h2 { 
    margin: 0 0 20px; 
    font-size: clamp(2.1rem, 3vw, 3rem); 
    color: #FFFFFF;
    letter-spacing: -0.04em; 
} 

.empresa-text p { 
    margin-bottom: 18px; 
    color: var(--muted); 
    font-size: 1.08rem; 
} 

#productos { 
    width: min(1200px, calc(100% - 32px)); 
    margin: 0 auto; 
    padding: 60px 0 30px; 
} 

.cards { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); 
    gap: 22px; 
    margin-top: 30px; 
} 

.card { 
    display: flex; 
    flex-direction: column; 
    align-items: center;
    text-align: center;
    background: var(--bg-card); 
    border: 1px solid var(--border-color); 
    border-radius: 22px; 
    padding: 22px 18px; 
    box-shadow: var(--shadow-card); 
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease; 
} 

.card:hover { 
    transform: translateY(-6px); 
    border-color: var(--primary); 
    box-shadow: var(--shadow-glow); 
} 

.card img {
    width: 100%;
    height: 140px;
    object-fit: contain;
    background: #0A0E17;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    padding: 10px;
    margin-bottom: 16px;
}
 
.card h3 { 
    margin: 0 0 8px; 
    font-size: 1.25rem; 
    color: #FFFFFF; 
} 
 
.card p { 
    margin: 0 0 16px; 
    color: var(--muted); 
    font-size: 0.92rem;
    line-height: 1.5;
    flex: 1; 
} 
 
.btn-ver-perfil { 
    display: inline-block; 
    color: #FFFFFF; 
    font-weight: 800; 
    font-size: 0.88rem;
    background: var(--primary);
    padding: 9px 18px;
    border-radius: 20px;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.btn-ver-perfil:hover {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   7. VIÑETAS COMPACTAS Y GALERÍA DE COLORES
   ========================================================================== */
.vinetas-contenedor {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.vineta-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 30px;
    box-shadow: var(--shadow-card);
    scroll-margin-top: 100px;
}

.badge-perfil {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--accent);
    background: rgba(217, 35, 29, 0.15);
    padding: 4px 14px;
    border-radius: 12px;
    margin-bottom: 10px;
}

.vineta-header h2 {
    margin: 0 0 20px;
    font-size: 1.7rem;
    color: #FFFFFF;
}

.vineta-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
}

.galeria-colores-izq {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: center;
}

.visor-imagen-grande {
    width: 100%;
    background: #0A0E17;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visor-imagen-grande img {
    width: 100%;
    height: 240px;
    object-fit: contain;
}

.thumbs-colores {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.thumbs-colores img {
    width: 52px;
    height: 52px;
    object-fit: contain;
    background: #0A0E17;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 4px;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.thumbs-colores img:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
}

.vineta-datos h3 {
    margin: 0 0 12px;
    font-size: 1.15rem;
    color: var(--primary);
}

.vineta-datos ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.vineta-datos li {
    margin-bottom: 12px;
    font-size: 0.98rem;
    color: var(--muted);
}

/* ==========================================================================
   8. SECCIÓN TERMOPANEL Y VISTA PREVIA DE MAQUINARIA
   ========================================================================== */
.termopanel-section { 
    background: var(--bg-card); 
    border: 1px solid var(--border-color); 
    border-radius: 30px; 
    padding: 60px 28px !important; 
    box-shadow: var(--shadow-card); 
    margin-top: 50px;
    margin-bottom: 70px !important;
} 

.termopanel-beneficios {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 36px 0;
}

.beneficio-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px 18px;
    text-align: center;
}

.beneficio-icon {
    font-size: 2.2rem;
    display: block;
    margin-bottom: 10px;
}

.beneficio-card h3 {
    margin: 0 0 8px;
    font-size: 1.15rem;
    color: #FFFFFF;
}

.beneficio-card p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--muted);
}

.vidrios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.vidrio-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 24px;
    text-align: left;
}

.vidrio-card.destacado {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-glow);
}

.tag-recomendado {
    position: absolute;
    top: -12px;
    right: 16px;
    background: var(--accent);
    color: white;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 3px 12px;
    border-radius: 10px;
}

.vidrio-card h4 {
    margin: 0 0 8px;
    font-size: 1.1rem;
    color: #FFFFFF;
}

.vidrio-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--muted);
}

/* MAQUINARIA PREVIEW */
.maquinaria-preview {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 58px 32px !important;
    text-align: left;
    box-shadow: var(--shadow-card);
    margin-bottom: 80px;
}

.maquinaria-preview h2 {
    margin: 0 0 14px 0;
    font-size: clamp(2rem, 3vw, 2.8rem);
    color: #FFFFFF;
}

.maquinaria-preview p {
    margin: 0 0 24px 0;
    max-width: 720px;
    color: var(--muted);
    font-size: 1.05rem;
}

/* ==========================================================================
   9. VISTA PREVIA DE TERMOPLADIN Y CHAT INTERACTIVO
   ========================================================================== */
.termopladin-preview { 
    width: min(1200px, calc(100% - 32px)); 
    margin: 50px auto 80px; 
    background: linear-gradient(135deg, #131926, #0A0E17); 
    border: 1px solid var(--border-color);
    border-radius: 30px; 
    padding: 58px 28px; 
    color: white; 
    box-shadow: var(--shadow-card); 
}
 
.termopladin-preview h2 { 
    margin: 0 0 12px; 
    font-size: clamp(2rem, 3vw, 3rem); 
    color: #FFFFFF;
} 
 
.termopladin-preview p { 
    margin: 0 0 22px; 
    max-width: 740px; 
    color: var(--muted); 
} 

.opcion-btn {
    display: block;
    width: 100%;
    padding: 12px 18px;
    margin: 8px 0;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: left;
    font-weight: 600;
    color: #FFFFFF;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.opcion-btn:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
}

.campo-input {
    width: 100%;
    padding: 12px 16px;
    margin: 10px 0;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.95rem;
    background-color: var(--surface);
    color: #FFFFFF;
}

.campo-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.25);
}

/* ==========================================================================
   10. BOTÓN FLOTANTE INFERIOR DERECHO (COTIZA CON TERMOPLADIN EN ROJO VIVO)
   ========================================================================== */
.termopladin-flotante-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--accent) !important;
    color: #FFFFFF !important;
    font-weight: 800;
    font-size: 0.95rem;
    padding: 14px 24px;
    border: none;
    border-radius: 50px;
    box-shadow: var(--shadow-red) !important;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease !important;
}

.termopladin-flotante-btn:hover {
    background-color: var(--accent-hover) !important;
    transform: translateY(-3px) scale(1.02) !important;
}

/* ==========================================================================
   11. MODALES CENTRADOS (MAQUINARIA, TERMOPLADIN Y LEGAL)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 14, 23, 0.88);
    backdrop-filter: blur(8px);
    z-index: 3000;
    display: none;
    justify-content: center;
    align-items: center;
}

.modal-contenido {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 28px;
    width: 92vw !important;
    max-width: 92vw !important;
    height: 90vh !important;
    max-height: 90vh !important;
    margin: auto !important;
    overflow-y: auto;
    padding: 40px 32px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
    color: var(--text);
}

.modal-cerrar {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    font-weight: 800;
    cursor: pointer;
    color: #FFFFFF;
    transition: background-color 0.2s ease;
}

.modal-cerrar:hover {
    background: var(--primary);
}

.maquinaria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: 24px;
    margin-top: 24px;
}

.maquinaria-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.paso-num {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 20px;
}

.maquinaria-card h3 {
    margin: 8px 0 6px 0;
    font-size: 1.15rem;
    color: #FFFFFF;
}

.maquinaria-card p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--muted);
}

/* ==========================================================================
   12. BANNER DE COOKIES Y FOOTER
   ========================================================================== */
.banner-cookies {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: 580px;
    background: rgba(19, 25, 38, 0.96);
    backdrop-filter: blur(12px);
    color: #ffffff;
    padding: 16px 22px;
    border-radius: 18px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    z-index: 2500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border: 1px solid var(--border-color);
}

.banner-cookies p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--muted);
}

.btn-cookies {
    background: var(--primary);
    color: #ffffff;
    border: none;
    padding: 8px 18px;
    border-radius: 999px;
    font-weight: 800;
    font-size: 0.85rem;
    cursor: pointer;
}

footer { 
    background: #05080E; 
    color: var(--muted); 
    padding: 32px 16px; 
    text-align: center; 
    border-top: 1px solid var(--border-color);
} 

/* ==========================================================================
   13. REGLAS RESPONSIVAS PARA DISPOSITIVOS MÓVILES
   ========================================================================== */
@media (max-width: 900px) { 
    .cards { 
        grid-template-columns: repeat(2, 1fr); 
    } 
    .vineta-body {
        grid-template-columns: 1fr;
    }
} 

@media (max-width: 850px) {
    .termopanel-beneficios, .vidrios-grid {
        grid-template-columns: 1fr;
    }
}
 
@media (max-width: 768px) { 
    .menu-btn { 
        display: inline-block; 
    } 
 
    nav { 
        display: none; 
    } 
 
    .logo-img {
        height: 42px;
    }

    .hero { 
        padding: 48px 20px 36px; 
    } 

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

@media (max-width: 480px) {
    .cards {
        grid-template-columns: 1fr;
    }
    .termopladin-flotante-btn {
        bottom: 16px;
        right: 16px;
        padding: 12px 18px;
        font-size: 0.88rem;
    }
}