/* --- VARIABLES DE COLOR CORPORATIVAS ISP --- */
:root {
    --brand-primary: #0A2540; 
    --brand-secondary: #1A1F36; 
    --brand-accent: #8f1a1a; 
    --light-bg: #F7F9FC; 
    --text-dark: #3C4257; 
    --text-heading: #1A1F36;
    --white: #ffffff;
    --whatsapp-green: #25D366;
    --border-color: #E3E8EE;
    --success-color: #00d4ff; 
    --gold-premium: #d4af37;
}

/* --- RESET BÁSICO --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 16px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

html { scroll-behavior: smooth; }

main { flex: 1; }

/* --- BARRA SUPERIOR --- */
.top-bar {
    background-color: var(--brand-secondary);
    color: var(--white);
    text-align: right;
    padding: 8px 5%;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 15px;
}

.top-bar span.badge {
    background-color: var(--success-color);
    color: var(--brand-primary);
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: bold;
    font-size: 0.75rem;
}

.top-bar a {
    color: var(--whatsapp-green);
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
}

.top-bar a:hover { opacity: 0.8; }

/* --- HEADER --- */
header {
    background-color: var(--white);
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo-container img {
    height: 50px;
    width: auto;
    display: block;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

nav ul li a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.2s ease;
}

nav ul li a:hover, nav ul li a.active { 
    color: var(--brand-accent); 
}

/* --- HERO SECTION --- */
.hero {
    background: linear-gradient(rgba(10, 37, 64, 0.88), rgba(26, 31, 54, 0.95)), 
                url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    text-align: center;
    padding: 150px 20px;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    color: #E3E8EE;
}

.btn {
    display: inline-block;
    background-color: var(--brand-accent);
    color: var(--white);
    padding: 12px 30px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
    opacity: 0.9;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--success-color);
    color: var(--success-color);
    margin-left: 15px;
}

.btn-outline:hover {
    background-color: var(--success-color);
    color: var(--brand-primary);
}

/* --- SECCIONES GLOBALES --- */
.section {
    padding: 90px 5%;
    text-align: center;
    background-color: var(--light-bg);
}

.section-title {
    font-size: 2.2rem;
    color: var(--text-heading);
    margin-bottom: 15px;
    font-weight: 700;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.category-title {
    font-size: 1.8rem;
    color: var(--brand-primary);
    margin: 40px 0 20px 0;
    text-align: left;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    max-width: 1300px;
    margin-left: auto;
    margin-right: auto;
}

/* --- SOBRE NOSOTROS --- */
.about-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 40px;
    max-width: 1300px;
    margin-left: auto;
    margin-right: auto;
}

.about-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 35px 25px;
    flex: 1 1 350px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    text-align: left;
    transition: transform 0.3s ease;
}

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

.about-card h4 {
    color: var(--brand-primary);
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* --- PLANES ISP --- */
.cards-container {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 25px;
    flex-wrap: wrap;
    padding: 20px 0;
    max-width: 1300px;
    margin: 0 auto;
}

.card {
    border-radius: 12px;
    padding: 35px 25px;
    width: 300px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.card:hover { transform: translateY(-10px); }

.card h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.card .speed {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0;
    line-height: 1;
}
.card .speed span { font-size: 1rem; font-weight: 600; }

.card .price {
    font-size: 1.8rem;
    font-weight: 800;
    margin-top: 10px;
    margin-bottom: 5px;
}
.card .price span { font-size: 0.85rem; font-weight: 600; }

.card .speed-type {
    font-size: 0.8rem;
    margin-bottom: 25px;
    border-bottom: 1px solid;
    padding-bottom: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card ul {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
    flex-grow: 1;
}

.card ul li {
    margin-bottom: 12px;
    font-size: 0.9rem;
    display: flex;
    align-items: flex-start;
    font-weight: 500;
}

.card ul li::before {
    content: '✔';
    font-weight: bold;
    margin-right: 10px;
    font-size: 1rem;
}

/* Estilos de Planes Específicos */
.card-basic {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-top: 5px solid var(--brand-primary);
    color: var(--text-dark);
}
.card-basic h3 { color: var(--text-dark); }
.card-basic .speed { color: var(--brand-primary); }
.card-basic .price { color: var(--text-heading); }
.card-basic .price span { color: #666; }
.card-basic .speed-type { border-color: var(--border-color); color: #888; }
.card-basic ul li::before { color: var(--brand-primary); }
.card-basic .btn { background-color: var(--brand-primary); }

.card-popular {
    background: linear-gradient(145deg, #a71d1d 0%, var(--brand-accent) 100%);
    box-shadow: 0 15px 40px rgba(143, 26, 26, 0.4);
    color: var(--white);
    transform: scale(1.05);
    z-index: 2;
    border: 2px solid #ff4d4d;
}
.card-popular:hover { transform: scale(1.05) translateY(-10px); }
.card-popular h3 { color: #ffcccc; }
.card-popular .speed { color: var(--white); }
.card-popular .speed span { color: #ffcccc; }
.card-popular .price { color: #fff; }
.card-popular .price span { color: #ffcccc; }
.card-popular .speed-type { border-color: rgba(255,255,255,0.2); color: #ffe6e6; }
.card-popular ul li::before { color: var(--success-color); }
.card-popular .btn { background-color: var(--white); color: var(--brand-accent); font-weight: 800; }

.badge-popular {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--text-heading);
    color: var(--success-color);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.card-advanced {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-top: 5px solid var(--text-dark);
    color: var(--text-dark);
}
.card-advanced h3 { color: var(--text-dark); }
.card-advanced .speed { color: var(--text-heading); }
.card-advanced .price { color: var(--text-heading); }
.card-advanced .price span { color: #666; }
.card-advanced .speed-type { border-color: var(--border-color); color: #888; }
.card-advanced ul li::before { color: var(--text-dark); }
.card-advanced .btn { background-color: var(--text-heading); color: var(--white); }

.card-premium {
    background: linear-gradient(145deg, var(--brand-secondary) 0%, var(--brand-primary) 100%);
    box-shadow: 0 15px 30px rgba(10, 37, 64, 0.3);
    border-top: 5px solid var(--success-color);
    color: var(--white);
}
.card-premium h3 { color: #A3ACBA; }
.card-premium .speed { color: var(--success-color); text-shadow: 0 0 10px rgba(0, 212, 255, 0.3); }
.card-premium .speed span { color: var(--white); }
.card-premium .price { color: var(--white); }
.card-premium .price span { color: #A3ACBA; }
.card-premium .speed-type { border-color: rgba(255,255,255,0.1); color: #A3ACBA; }
.card-premium ul li::before { color: var(--success-color); }
.card-premium .btn { background-color: transparent; border: 2px solid var(--success-color); color: var(--success-color); }
.card-premium .btn:hover { background-color: var(--success-color); color: var(--brand-primary); }

.card-elite {
    background: linear-gradient(145deg, #111 0%, var(--brand-secondary) 100%);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border-top: 5px solid var(--gold-premium);
    color: var(--white);
    transform: scale(1.05);
    z-index: 2;
}
.card-elite:hover { transform: scale(1.05) translateY(-10px); }
.card-elite h3 { color: var(--gold-premium); }
.card-elite .speed { color: var(--white); text-shadow: 0 0 10px rgba(212, 175, 55, 0.3); }
.card-elite .speed span { color: #ccc; }
.card-elite .price { color: var(--gold-premium); }
.card-elite .price span { color: #888; }
.card-elite .speed-type { border-color: rgba(255,255,255,0.1); color: #ccc; }
.card-elite ul li::before { color: var(--gold-premium); }
.card-elite .btn { background-color: var(--gold-premium); color: #111; font-weight: 800; border: none;}
.card-elite .btn:hover { background-color: var(--white); color: #111; }

/* --- TEST DE VELOCIDAD --- */
.speedtest-bg {
    background-color: var(--brand-secondary);
    color: var(--white);
    border-top: 4px solid var(--brand-accent);
    border-bottom: 4px solid var(--success-color);
}
.speedtest-bg .section-title { color: var(--white); }
.speedtest-bg .section-subtitle { color: #A3ACBA; }

.speedtest-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
    overflow: hidden; 
}

.speedtest-panel-header {
    background-color: var(--light-bg);
    border-bottom: 2px solid var(--border-color);
    padding: 15px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: -10px -10px 15px -10px; 
}

.speedtest-panel-logo { height: 35px; width: auto; display: block; }

.speedtest-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-dark);
    font-weight: 600;
}

.status-pulse {
    width: 10px;
    height: 10px;
    background-color: var(--whatsapp-green);
    border-radius: 50%;
    box-shadow: 0 0 0 rgba(37, 211, 102, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.speedtest-container iframe {
    width: 100%;
    height: 550px;
    border: none;
    border-radius: 0 0 8px 8px; 
}

/* --- SERVICIOS TECNOLÓGICOS --- */
.services-bg { 
    background-color: var(--white); 
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1300px;
    margin: 0 auto;
    text-align: left;
}

.service-block {
    background: var(--light-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.service-img {
    height: 220px;
    background-size: cover;
    background-position: center;
    border-bottom: 4px solid var(--brand-accent);
}

.img-security { background-image: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&w=800&q=80'); }
.img-cctv { background-image: url('https://images.unsplash.com/photo-1557597774-9d273605dfa9?auto=format&fit=crop&w=800&q=80'); border-bottom-color: var(--brand-primary); }
.img-routing { background-image: url('https://images.unsplash.com/photo-1544197150-b99a580bb7a8?auto=format&fit=crop&w=800&q=80'); border-bottom-color: var(--gold-premium); }
.img-traffic { background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=800&q=80'); border-bottom-color: var(--brand-accent); }
.img-gpon { background-image: url('https://images.unsplash.com/photo-1601524909162-be87252be298?auto=format&fit=crop&w=800&q=80'); border-bottom-color: var(--success-color); }
.img-linux { background-image: url('https://images.unsplash.com/photo-1629654297299-c8506221ca97?auto=format&fit=crop&w=800&q=80'); border-bottom-color: var(--text-dark); }

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

.service-content h4 {
    font-size: 1.4rem;
    color: var(--text-heading);
    margin-bottom: 15px;
    font-weight: 800;
}

.service-content p {
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    margin-bottom: 25px;
    flex-grow: 1;
}

.service-features li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
}

.service-features li::before {
    content: '➤';
    position: absolute;
    left: 0;
    color: var(--brand-accent);
    font-size: 0.9rem;
}

.img-cctv ~ .service-content .service-features li::before { color: var(--brand-primary); }
.img-routing ~ .service-content .service-features li::before { color: var(--gold-premium); }
.img-traffic ~ .service-content .service-features li::before { color: var(--brand-accent); }
.img-gpon ~ .service-content .service-features li::before { color: var(--success-color); }
.img-linux ~ .service-content .service-features li::before { color: var(--text-dark); }

.service-content .btn { width: 100%; padding: 10px; font-size: 0.9rem; }

/* --- COBERTURA --- */
.coverage-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    max-width: 1300px;
    margin: 0 auto;
    text-align: left;
}

.coverage-map {
    flex: 1 1 500px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
    background-color: #e9ecef;
}

.coverage-details {
    flex: 1 1 400px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.coverage-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    border-left: 4px solid var(--success-color);
    transition: transform 0.2s;
}

.coverage-item:hover { transform: translateX(5px); }

.coverage-item.main-node {
    border-left-color: var(--brand-accent);
    background: #fff8f8;
}

.node-icon { font-size: 1.8rem; line-height: 1; }

.node-info h4 {
    font-size: 1.2rem;
    color: var(--text-heading);
    margin-bottom: 5px;
    font-weight: 700;
}

.node-info p {
    font-size: 0.95rem;
    color: var(--text-dark);
    line-height: 1.5;
    margin: 0;
}

/* --- CONTACTO --- */
.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    max-width: 1300px;
    margin: 0 auto;
    text-align: left;
}

.contact-info {
    flex: 1 1 400px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    background: var(--light-bg);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-left: 4px solid var(--brand-primary);
    border: 1px solid var(--border-color);
    border-left-width: 4px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s ease;
}

.contact-card:hover { transform: translateX(5px); }
.contact-card.whatsapp { border-left-color: var(--whatsapp-green); }
.contact-card.email { border-left-color: var(--brand-accent); }

.contact-icon {
    font-size: 1.8rem;
    background: var(--white);
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.contact-details h4 {
    font-size: 1.1rem;
    color: var(--text-heading);
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--text-dark);
    margin: 0;
    font-size: 0.95rem;
}

.contact-form {
    flex: 1 1 500px;
    background: var(--light-bg);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-heading);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.1);
}

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

/* --- FOOTER --- */
footer {
    background-color: var(--brand-secondary);
    color: #A3ACBA;
    padding: 60px 5% 30px 5%;
    text-align: center;
}

footer img { 
    height: 45px; 
    margin-bottom: 25px; 
    filter: brightness(0) invert(1); 
    opacity: 0.9;
}

.footer-info {
    margin-bottom: 30px;
    font-size: 0.95rem;
}

.footer-info a {
    color: var(--whatsapp-green);
    text-decoration: none;
    font-weight: 600;
}

.footer-info a:hover { text-decoration: underline; }
.footer-info strong { color: var(--white); }

.copyright { 
    font-size: 0.85rem; 
    border-top: 1px solid rgba(255,255,255,0.1); 
    padding-top: 20px; 
}

/* ===== RESPONSIVE MOBILE/TABLET ===== */
@media (max-width: 992px) {
    header { flex-direction: column; gap: 15px; padding: 15px; }
    nav ul { flex-wrap: wrap; justify-content: center; gap: 12px; }
    .hero h1 { font-size: 2.4rem; }
    .hero p { font-size: 1.05rem; }
    .card, .card-popular, .card-elite { width: 100%; max-width: 380px; transform: none !important; }
    .coverage-container, .contact-container { flex-direction: column; }
}

@media (max-width: 768px) {
    .top-bar { flex-direction: column; text-align: center; gap: 6px; }
    .hero { padding: 100px 20px; background-attachment: scroll; }
    .hero h1 { font-size: 2rem; line-height: 1.2; }
    .hero p { font-size: 1rem; }
    .btn, .btn-outline { display: block; width: 100%; margin: 10px 0; }
    .section { padding: 60px 20px; }
    .section-title { font-size: 1.8rem; }
    .category-title { font-size: 1.5rem; }
    .cards-container { gap: 20px; }
    .card { max-width: 100%; }
    .speedtest-container iframe { height: 400px; }
    .coverage-map iframe { min-height: 300px !important; }
}

@media (max-width: 480px) {
    .logo-container img { height: 40px; }
    nav ul { gap: 8px; }
    nav ul li a { font-size: 0.75rem; }
    .hero h1 { font-size: 1.7rem; }
    .hero p { font-size: 0.95rem; }
    .speed { font-size: 2.2rem !important; }
    .price { font-size: 1.5rem !important; }
    .service-content, .card { padding: 20px; }
    .speedtest-panel-header { flex-direction: column; gap: 10px; padding: 10px; text-align: center; }
    .contact-form { padding: 25px 20px; }
}

/* ===== MENU HAMBURGUESA PROFESIONAL ===== */
.menu-toggle{
    display:none; background:none; border:none; font-size:2rem; cursor:pointer; color:var(--brand-primary);
}
@media (max-width:768px){
    .menu-toggle{display:block;}
    #main-nav{display:none;width:100%;}
    #main-nav.active{display:block;}
    #main-nav ul{ flex-direction:column; align-items:center; padding:15px 0;}
    header{ align-items:center; }
}