:root {
    --primary-blue: #0052cc;
    --dark-gray: #1e1e1e;
    --white: #ffffff;
    --light-gray: #f5f7fb;
    --border-gray: #d9e2f1;
    --hover-blue: #0041a8;
    --muted-text: #5d6b82;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.75;
    color: var(--dark-gray);
    background:
        radial-gradient(circle at top left, rgba(0, 82, 204, 0.08), transparent 35%),
        radial-gradient(circle at top right, rgba(0, 82, 204, 0.05), transparent 30%),
        var(--light-gray);
}

a {
    color: inherit;
}

header {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 1.5rem 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
}

.back-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.3s;
}

.back-link:hover {
    opacity: 0.82;
}

.container {
    max-width: 1080px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.hero-card,
.content-card,
.cta-card {
    background: var(--white);
    border-radius: 18px;
    box-shadow: 0 18px 50px rgba(0, 46, 123, 0.08);
    border: 1px solid rgba(0, 82, 204, 0.08);
}

.hero-card {
    padding: 3rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, rgba(0, 82, 204, 0.08), rgba(255, 255, 255, 1));
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(0, 82, 204, 0.1);
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 0.9rem;
}

h1 {
    font-size: 2.85rem;
    line-height: 1.1;
    color: var(--primary-blue);
    margin: 1rem 0;
}

.hero-card p {
    max-width: 760px;
    color: var(--muted-text);
    font-size: 1.05rem;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.hero-meta span {
    padding: 0.6rem 0.9rem;
    border-radius: 999px;
    background: var(--white);
    border: 1px solid var(--border-gray);
    font-weight: 600;
    font-size: 0.95rem;
}

.content-card {
    padding: 3rem;
}

.intro {
    color: var(--muted-text);
    margin-bottom: 2.5rem;
}

h2 {
    font-size: 1.6rem;
    color: var(--primary-blue);
    margin: 2rem 0 1rem;
}

.faq-group + .faq-group {
    margin-top: 2rem;
}

.faq-item {
    border: 1px solid var(--border-gray);
    border-radius: 14px;
    background: #fbfdff;
    overflow: hidden;
    margin-bottom: 1rem;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 1.25rem 1.4rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    line-height: 1;
    color: var(--primary-blue);
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-answer {
    padding: 0 1.4rem 1.4rem;
    color: var(--muted-text);
}

.faq-answer p + p {
    margin-top: 0.9rem;
}

.faq-answer ul {
    padding-left: 1.2rem;
    margin-top: 0.9rem;
}

.faq-answer li + li {
    margin-top: 0.5rem;
}

.cta-card {
    margin-top: 2rem;
    padding: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.cta-card p {
    color: var(--muted-text);
    max-width: 640px;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.button-primary,
.button-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.9rem 1.3rem;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.button-primary {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: 0 12px 24px rgba(0, 82, 204, 0.18);
}

.button-primary:hover {
    background: var(--hover-blue);
    transform: translateY(-1px);
}

.button-whatsapp {
    background: #25D366;
    color: var(--white);
    box-shadow: 0 12px 24px rgba(37, 211, 102, 0.22);
}

.button-whatsapp:hover {
    background: #1fbd5b;
    transform: translateY(-1px);
}

.button-whatsapp svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.section-title {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.section-title-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(0, 82, 204, 0.08);
    color: var(--primary-blue);
}

.section-title-icon svg {
    width: 20px;
    height: 20px;
}

footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 2rem;
    margin-top: 4rem;
    text-align: center;
}

footer a {
    color: var(--white);
    text-decoration: none;
}

footer p + p {
    margin-top: 0.75rem;
}

@media (max-width: 768px) {
    header {
        padding: 1.2rem 1.25rem;
    }

    .header-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .container {
        padding: 0 1rem;
    }

    .hero-card,
    .content-card,
    .cta-card {
        padding: 1.5rem;
    }

    .cta-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .cta-actions {
        justify-content: center;
    }

    h1 {
        font-size: 2.1rem;
    }
}

/* Reemplazos de style="" inline por CSP */
.link-primary-bold {
    color: var(--primary-blue);
    font-weight: 700;
}

.mt-0-half {
    margin: 0 0 0.5rem;
}