/* --- Variables de Marca --- */
:root {
    --color-primary: #95c11f;       /* Verde lima corporativo */
    --color-primary-dark: #7da516;  /* Verde hover */
    --color-secondary: #1a1a1a;     /* Grafito oscuro */
    --color-dark-card: #242424;     /* Fondo tarjetas oscuras */
    --color-text: #4a4a4a;          /* Texto párrafos */
    --color-text-muted: #777777;    /* Texto secundario */
    --color-white: #ffffff;
    --color-light-gray: #f8f9fa;    /* Fondo claro */
    --color-whatsapp: #25D366;
    --color-whatsapp-hover: #128C7E;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-pill: 50px;
    --shadow-subtle: 0 4px 15px rgba(0,0,0,0.06);
    --shadow-hover: 0 10px 25px rgba(0,0,0,0.12);
}

/* --- Reset y Tipografía --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
    padding-top: 110px; /* Compensar barra superior + header */
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-secondary);
    font-weight: 800;
    line-height: 1.25;
}

p {
    margin-bottom: 1rem;
}

p:last-child {
    margin-bottom: 0;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 55px 0;
}

/* --- Barra Superior de Transparencia (Cumplimiento Google Ads) --- */
.top-policy-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-secondary);
    color: #d1d1d1;
    font-size: 0.78rem;
    text-align: center;
    padding: 6px 15px;
    z-index: 1001;
    border-bottom: 1px solid #333333;
}

.top-policy-bar span {
    color: var(--color-primary);
    font-weight: 600;
}

/* --- Encabezados de Sección --- */
.section-header {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 45px;
}

.section-header h2 {
    font-size: 2.2rem;
    text-transform: uppercase;
    position: relative;
    margin-bottom: 15px;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    margin: 12px auto 0;
    border-radius: 2px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
}

/* --- Botones --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    border-radius: var(--radius-pill);
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border-color: var(--color-primary);
}

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

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
}

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

.btn-whatsapp {
    background-color: var(--color-whatsapp);
    color: var(--color-white);
}

.btn-whatsapp:hover {
    background-color: var(--color-whatsapp-hover);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* --- Header --- */
header {
    background-color: var(--color-white);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    position: fixed;
    top: 28px; /* Debajo de la top bar */
    left: 0;
    width: 100%;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo img {
    height: 52px;
    width: auto;
    display: block;
}

.header-ctas {
    display: flex;
    gap: 12px;
}

.header-ctas .btn {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* --- Hero Principal --- */
#hero {
    background: linear-gradient(135deg, rgba(26,26,26,0.92) 0%, rgba(36,36,36,0.96) 100%), 
                url('https://tecnihogarplus.com/assets/img/neveras.jpeg') center/cover no-repeat;
    color: var(--color-white);
    text-align: center;
    padding: 70px 0 85px;
}

#hero .badge-independent {
    display: inline-block;
    background-color: rgba(149, 193, 31, 0.2);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#hero h1 {
    color: var(--color-white);
    font-size: 2.8rem;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

#hero h1 span {
    color: var(--color-primary);
}

#hero .hero-subtitle {
    font-size: 1.15rem;
    max-width: 820px;
    margin: 0 auto 35px;
    color: #d8d8d8;
    font-weight: 400;
}

.hero-ctas {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}

.hero-ctas .btn {
    font-size: 1rem;
    padding: 16px 34px;
}

/* --- Barra de Garantías y Cobertura --- */
.trust-banner {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    padding: 18px 0;
    font-weight: 700;
    font-family: var(--font-heading);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    text-align: center;
}

.trust-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.trust-item i {
    font-size: 1.3rem;
}

/* --- Catálogo de Servicios --- */
#servicios {
    background-color: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.service-card {
    background: var(--color-light-gray);
    padding: 30px 22px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #eaeaea;
    border-bottom: 4px solid var(--color-primary);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    background: var(--color-white);
}

.service-icon {
    width: 65px;
    height: 65px;
    background: rgba(149, 193, 31, 0.15);
    color: var(--color-primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 18px;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background: var(--color-primary);
    color: var(--color-secondary);
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--color-secondary);
}

.service-card p {
    font-size: 0.92rem;
    color: var(--color-text);
    margin-bottom: 18px;
}

.service-features {
    list-style: none;
    text-align: left;
    margin-bottom: 22px;
    font-size: 0.88rem;
}

.service-features li {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features li i {
    color: var(--color-primary);
    font-size: 0.85rem;
}

/* --- Diagnóstico de Fallas --- */
#fallas {
    background-color: var(--color-light-gray);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.problem-card {
    background: var(--color-white);
    padding: 24px 20px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-subtle);
    border-left: 4px solid var(--color-primary);
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-4px);
}

.problem-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.problem-card-header i {
    color: var(--color-primary-dark);
    font-size: 1.3rem;
}

.problem-card h3 {
    font-size: 1rem;
    color: var(--color-secondary);
}

.problem-card p {
    font-size: 0.88rem;
    color: var(--color-text);
}

/* --- Mantenimiento Preventivo --- */
#mantenimiento {
    background-color: var(--color-white);
}

.highlight-box {
    background: var(--color-dark-card);
    color: var(--color-white);
    padding: 35px;
    border-radius: var(--radius-md);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    margin-bottom: 25px;
    border-left: 6px solid var(--color-primary);
}

.highlight-info {
    flex: 2;
    min-width: 290px;
}

.highlight-info h3 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.highlight-info p {
    color: #d6d6d6;
    margin-bottom: 18px;
    font-size: 0.92rem;
}

.feature-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 10px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    color: #ececec;
}

.feature-list li i {
    color: var(--color-primary);
}

.highlight-action {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 200px;
}

/* --- Beneficios / Por Qué Elegirnos --- */
#beneficios {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

#beneficios .section-header h2 {
    color: var(--color-white);
}

#beneficios .section-header p {
    color: #a8a8a8;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 28px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
}

.benefit-icon {
    font-size: 2rem;
    color: var(--color-primary);
    flex-shrink: 0;
    line-height: 1;
}

.benefit-content h3 {
    color: var(--color-primary);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.benefit-content p {
    color: #cccccc;
    font-size: 0.9rem;
}

/* --- Footer Transparente y Legal --- */
footer {
    background-color: #111111;
    color: #999999;
    text-align: center;
    padding: 45px 0 25px;
    border-top: 3px solid var(--color-primary);
}

footer .logo img {
    height: 45px;
    margin: 0 auto 15px;
    opacity: 0.9;
}

footer p {
    font-size: 0.88rem;
    margin-bottom: 8px;
}

footer .legal-details {
    font-size: 0.82rem;
    color: #777777;
    margin-top: 10px;
}

footer .disclaimer {
    font-size: 0.78rem;
    color: #666666;
    max-width: 850px;
    margin: 18px auto 0;
    line-height: 1.5;
}

footer span {
    color: var(--color-primary);
    font-weight: 700;
}

/* --- Botón Flotante WhatsApp --- */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background-color: var(--color-whatsapp);
    color: #ffffff;
    border-radius: 50%;
    text-align: center;
    font-size: 32px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-float:hover {
    background-color: var(--color-whatsapp-hover);
    transform: scale(1.1);
    color: #ffffff;
}

.whatsapp-icon {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    body {
        padding-top: 155px;
    }

    .top-policy-bar {
        font-size: 0.72rem;
        padding: 4px 10px;
    }

    header {
        top: 36px;
        height: auto;
        padding: 10px 0;
    }

    .header-container {
        flex-direction: column;
        gap: 10px;
    }

    #hero h1 {
        font-size: 2rem;
    }

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

    .hero-ctas {
        flex-direction: column;
    }

    .section-header h2 {
        font-size: 1.7rem;
    }

    .highlight-box {
        padding: 22px;
        text-align: center;
    }

    .feature-list {
        text-align: left;
    }

    .highlight-action {
        width: 100%;
    }
}