:root {
    --color-bg: #FEFEFA;
    /* White-ish cream */
    --color-text: #1A1A1A;
    /* Near black for high contrast */
    --color-primary: #0056b3;
    /* Strong Blue */
    --color-secondary: #004494;
    /* Darker Blue */
    --color-whatsapp: #25D366;
    /* Official WhatsApp Green */
    --color-whatsapp-dark: #128c7e;
    --color-light-gray: #f4f4f4;
    --color-border: #ddd;

    --font-base: 'Roboto', sans-serif;
    --size-base: 20px;
    /* Minimum body size requested */
    --spacing-unit: 1rem;
}

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

body {
    background-color: var(--color-bg);
    background-image: url('fondo.webp'), url('fondo.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: var(--color-text);
    font-family: var(--font-base);
    font-size: var(--size-base);
    line-height: 1.6;
    margin: 0;
}

h1,
h2,
h3 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    color: var(--color-primary);
}

h3 {
    font-size: 1.5rem;
}

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

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    padding: 0 0 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    background-color: #fff;
    border-radius: 0 0 12px 12px;
    padding: 1rem 1.5rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-primary);
    line-height: 1.2;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    font-weight: bold;
    font-size: 1.1rem;
}

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

.btn-header {
    background: var(--color-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: bold;
}

/* Hero */
.hero {
    padding: 4rem 0;
}

.hero .container {
    background-color: #f0f7ff;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
}

.hero-sub {
    font-size: 1.3rem;
    /* Larger than base */
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.btn-hero {
    padding: 1rem 2rem;
    border-radius: 50px;
    /* Pill shape */
    font-weight: bold;
    font-size: 1.2rem;
    text-transform: uppercase;
    transition: transform 0.2s;
}

.btn-hero:hover {
    transform: scale(1.05);
}

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

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

.hero-features {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    font-weight: bold;
    margin-top: 1rem;
}

/* Sections General */
.section {
    padding: 4rem 0;
    border-bottom: 1px solid var(--color-border);
}

.brands-section,
.services,
.about,
.reviews-section,
.contact {
    padding: 5rem 0 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
}

/* Brands */
.brands-flex {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.brand-flex-item {
    background: #fff;
    border: 2px solid var(--color-light-gray);
    padding: 1.5rem 3rem;
    border-radius: 12px;
    font-weight: bold;
    color: var(--color-secondary);
    text-align: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.brand-card h3 {
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: #fff;
    padding: 2rem;
    border-left: 5px solid var(--color-primary);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* About */
.about p {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* FAQ */
.faq-grid {
    display: grid;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.faq-question {
    font-weight: bold;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-secondary);
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 1rem;
    font-size: 1.2rem;
    border: 2px solid #ccc;
    border-radius: 8px;
    font-family: var(--font-base);
}

.form-group textarea {
    width: 100%;
    padding: 1rem;
    font-size: 1.2rem;
    font-family: var(--font-base);
    border: 2px solid #ccc;
    border-radius: 8px;
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: 1.2rem;
    font-size: 1.3rem;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
}

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

/* Contact Info Section */
.contact-info {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: #f0f7ff;
    border-radius: 12px;
}

.contact-info p {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.phone-large {
    display: block;
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 1.5rem 0;
    text-decoration: none;
    transition: transform 0.2s, color 0.2s;
}

.phone-large:hover {
    transform: scale(1.05);
    color: var(--color-secondary);
}

.availability {
    font-size: 1.2rem;
    font-weight: 500;
    color: #555;
    margin-top: 1rem;
}

/* Reviews Section */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.review-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid var(--color-light-gray);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-light-gray);
}

.review-author {
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--color-primary);
}

.review-stars {
    color: #FFD700;
    font-size: 1.3rem;
}

.review-date {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 0.5rem;
}

.review-text {
    font-size: 1.1rem;
    line-height: 1.5;
    color: var(--color-text);
}

.reviews-cta {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: #f0f7ff;
    border-radius: 12px;
}

.reviews-cta p {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    font-weight: bold;
}

.btn-review {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.2rem;
    transition: transform 0.2s, background 0.2s;
}

.btn-review:hover {
    transform: scale(1.05);
    background: var(--color-secondary);
}

/* Footer */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-bottom: 80px;
    /* Space for sticky bar */
}

/* Sticky Contact Bar */
.sticky-contact {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: white;
    padding: 10px;
    display: flex;
    gap: 10px;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.btn-sticky {
    flex: 1;
    text-align: center;
    padding: 15px;
    font-weight: bold;
    border-radius: 8px;
    font-size: 1.1rem;
    color: white;
}

/* Responsive Tweaks */
@media (min-width: 768px) {
    .sticky-contact {
        display: none;
        /* Hide on desktop, keep only for mobile if desired, or keep prominent */
    }

    footer {
        margin-bottom: 0;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        /* Keep single column for focus */
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 2rem;
    }

    .hero {
        padding: 2rem 0;
    }

    .header .nav-links {
        display: none;
    }

    /* Hide nav on small mobile to simplify */
    .header {
        justify-content: center;
        text-align: center;
    }

    .header .container {
        justify-content: center;
    }

    /* Ensure About section is centered on mobile */
    .about p {
        text-align: center;
    }
}