:root {
    --bg-dark: #121212;
    --yellow-security: #F4D03F;
    --green-whatsapp: #25D366;
    --text-light: #ffffff;
    --text-gray: #cccccc;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    padding-bottom: 80px; 
    overflow-x: hidden;
}
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37,211,102,.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 20px rgba(37,211,102,0); }
    100% { transform: scale(1); }
}
@keyframes pulseGlow {
    0% { box-shadow: 0 0 10px rgba(37,211,102,.4); }
    50% { box-shadow: 0 0 35px rgba(37,211,102,.8); }
    100% { box-shadow: 0 0 10px rgba(37,211,102,.4); }
}
@keyframes blinkStatus {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,.8); }
    100% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
}
.fade-up {
    opacity: 0;
    transform: translateY(30px);
}
.fade-up.show {
    opacity: 1;
    transform: translateY(0);
    transition: .8s ease;
}
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: rgba(18, 18, 18, 0.9);
    backdrop-filter: blur(5px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.logo {
    font-weight: bold;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    height: 40px;
}
.logo img {
    height: 500%;
    width: auto;
    display: block;
}
.status-badge {
    background-color: var(--green-whatsapp);
    color: var(--bg-dark);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    animation: blinkStatus 3s infinite;
}
.status-badge.urgent {
    background-color: #E74C3C;
    color: white;
}
.hero {
    background-color: #1a1a1a;
    background-image: linear-gradient(rgba(0,0,0,.65), rgba(0,0,0,.65)), url('../img/banner-guincho.webp');
    background-size: cover;
    background-position: center;
    padding-top: 5rem; 
    text-align: center;
    padding: 9rem 1rem 5rem;
}
.hero h1 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}
.hero .subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.4;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}
.btn-whatsapp {
    display: block;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    padding: 1.2rem;
    background-color: var(--green-whatsapp);
    color: var(--bg-dark);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.3rem;
    text-align: center;
    border-radius: 12px;
    transition: transform 0.2s;
    box-shadow: 0 0 15px rgba(37,211,102,.4), 0 0 30px rgba(37,211,102,.2);
    animation: pulseGlow 2.5s infinite;
}
.btn-whatsapp:hover {
    transform: scale(1.03);
}
.btn-whatsapp small {
    display: block;
    font-size: 0.85rem;
    margin-top: 5px;
    font-weight: 600;
    opacity: 0.9;
}
.social-proof {
    text-align: center;
    padding: 2rem 1rem;
    background-color: #161616;
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.social-proof .stars {
    color: var(--yellow-security);
    font-size: 1.3rem;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}
.social-proof img {
    height: 30px;
    margin: 1rem 0.5rem 0;
}
.social-proof .text {
    margin-top: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-gray);
}
.services, .about, .fleet, .coverage {
    padding: 4rem 1rem;
}
.services h2, .about h2, .fleet h2, .coverage h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 1.5rem;
    font-weight: bold;
}
.about p {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-gray);
    font-size: 1.1rem;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}
.service-card {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.service-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 15px 35px rgba(0,0,0,.4);
    border-color: var(--yellow-security);
}
.service-card h3 {
    margin: 1rem 0 0;
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--text-light);
}
.fleet .subtitle {
    text-align: center;
    margin-top: -1.5rem;
    margin-bottom: 2rem;
    font-size: 1rem;
    color: var(--text-gray);
}
.fleet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}
.fleet-item {
    background-color: rgba(255,255,255,0.05);
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}
.fleet-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
    transition: opacity 0.3s;
}
.fleet-item:hover img {
    opacity: 1;
}
.coverage-list {
    background-color: rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin: 0 auto 2rem;
}
.coverage-list h3 {
    margin-bottom: 1rem;            
    color: var(--yellow-security);
    font-size: 1.2rem;
    text-align: center;
}
.coverage-list ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.coverage-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 1.1rem;
    width: 100%;
    text-align: center;
}
.coverage-list li:last-child {
    border-bottom: none;
}
.whatsapp-button {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 65px;
    height: 65px;
    background-color: var(--green-whatsapp);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
    z-index: 999;
    text-decoration: none;
    font-size: 38px;
    transition: transform 0.2s, filter 0.2s;
}
.whatsapp-button:hover {
    animation-play-state: paused;
    transform: scale(1.1);
    filter: brightness(1.1);
}
footer {
    text-align: center;
    padding: 2rem 1rem;
    font-size: 0.9rem;
    color: var(--text-gray);
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 2rem;
}
footer p {
    margin: 0.5rem 0;
}
.silo-footer-links {
    text-align: center; color: var(--text-gray); margin-bottom: 2rem;
}
.silo-footer-links ul {
    display: flex; flex-direction: column; gap: 10px; list-style: none;
}
.silo-footer-links a {
    color: var(--text-light); text-decoration: none; font-weight: bold;
}
@media (min-width: 768px) {
    .hero h1 { font-size: 2.8rem; }
    .hero .subtitle { font-size: 1.4rem; }
    .services h2, .about h2, .fleet h2, .coverage h2 { font-size: 2rem; }
    .whatsapp-button { width: 70px; height: 70px; font-size: 42px; bottom: 30px; right: 30px;}
}