:root {
    --bg-primary: #f5f8f9;
    --bg-secondary: #e8f0f3;
    --bg-tertiary: #dfe9ed;
    --text-primary: #2c3e50;
    --text-secondary: #546e7a;
    --accent-primary: #1a3a52;
    --accent-secondary: #6b8e99;
    --white: #ffffff;
    --border-radius: 24px;
}

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

html,
body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

header {
    background-color: var(--white);
    border-bottom: 1px solid var(--bg-tertiary);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.container-nav {
    max-width: 1020px;
    margin: 0 auto;
    padding: 0 44px;
}

.navbar {
    padding: 16px 0;
}

.navbar-brand {
    font-size: 24px;
    font-weight: 600;
    color: var(--accent-primary) !important;
    letter-spacing: 0.5px;
}

.navbar-brand:hover {
    color: var(--accent-secondary) !important;
}

.navbar-nav .nav-link {
    color: var(--text-primary) !important;
    margin-left: 32px;
    font-size: 15px;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--accent-primary) !important;
}

main {
    flex: 1;
}

.hero {
    height: 52vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(44, 62, 80, 0.20);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 920px;
    margin: 0 auto;
    padding: 0 44px;
}

.hero-capsule {
    background-color: rgba(255, 255, 255, 0.88);
    padding: 48px 52px;
    border-radius: var(--border-radius);
    color: var(--text-primary);
}

.hero-capsule h1 {
    font-size: 44px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.content-section {
    max-width: 920px;
    margin: 0 auto;
    padding: 48px 44px;
    font-size: 16px;
    line-height: 1.8;
}

.section-panel {
    max-width: 920px;
    margin: 0 auto;
    padding: 0 44px;
    margin-bottom: 64px;
}

.section-panel h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 32px;
    line-height: 1.3;
}

.section-panel h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-top: 24px;
    margin-bottom: 12px;
}

.content-wrapper {
    background-color: var(--bg-secondary);
    padding: 48px;
    border-radius: var(--border-radius);
    display: flex;
    gap: 48px;
    align-items: flex-start;
}

.text-content {
    flex: 1;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
}

.text-content p {
    margin-bottom: 20px;
}

.section-image {
    flex-shrink: 0;
    width: 340px;
    height: 340px;
    object-fit: cover;
    border-radius: 26px;
}

.phrase-list,
.observations-list,
.questions-list {
    margin: 20px 0;
    padding-left: 0;
}

.phrase-list p,
.observations-list p,
.questions-list p {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--bg-tertiary);
    font-size: 15px;
    color: var(--text-primary);
}

.phrase-list p:last-child,
.observations-list p:last-child,
.questions-list p:last-child {
    border-bottom: none;
}

.six-areas {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 32px;
}

.area-item {
    background-color: var(--bg-secondary);
    padding: 36px;
    border-radius: var(--border-radius);
}

.area-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.area-item p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
}

.concepts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 32px;
}

.concept-column {
    background-color: var(--bg-secondary);
    padding: 36px;
    border-radius: var(--border-radius);
}

.concept-column h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-top: 0;
    margin-bottom: 16px;
}

.concept-column h3:first-of-type {
    margin-top: 0;
}

.concept-column p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.quotes-section {
    margin-top: 32px;
}

blockquote {
    background-color: var(--bg-secondary);
    padding: 36px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    font-size: 16px;
    font-style: italic;
    line-height: 1.8;
    color: var(--text-primary);
}

.quote-author {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-secondary);
    margin-top: 16px;
    font-style: normal;
}

.section-final-cta {
    background-color: var(--bg-secondary);
    padding: 48px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: 80px;
}

.section-final-cta p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 32px;
    color: var(--text-primary);
}

.final-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 36px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    border: none;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: var(--accent-secondary);
    transform: scale(1.03);
    box-shadow: 0 8px 16px rgba(26, 58, 82, 0.15);
    text-decoration: none;
}

.btn-secondary {
    background-color: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-secondary);
}

.btn-secondary:hover {
    background-color: var(--accent-secondary);
    color: var(--white);
    transform: scale(1.03);
    text-decoration: none;
}

.blog-post-preview {
    background-color: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--border-radius);
    margin-bottom: 32px;
}

.blog-post-preview h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 20px;
    line-height: 1.4;
}

.blog-post-preview p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.newsletter-form {
    background-color: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--border-radius);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--bg-tertiary);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text-primary);
    background-color: var(--white);
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(26, 58, 82, 0.1);
}

.form-notice {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 16px;
}

.contact-form-container {
    max-width: 600px;
}

.contact-form {
    background-color: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--border-radius);
}

.contact-info {
    background-color: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--border-radius);
    font-size: 16px;
    line-height: 1.8;
}

.thank-you-section {
    max-width: 920px;
    margin: 0 auto;
    padding: 80px 44px;
    text-align: center;
}

.thank-you-content h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 24px;
}

.thank-you-content p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 40px;
}

.post-article {
    max-width: 920px;
    margin: 0 auto;
    padding: 64px 44px;
}

.post-article h1 {
    font-size: 40px;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 48px;
    line-height: 1.3;
}

.post-section {
    margin-bottom: 48px;
}

.post-section h2 {
    font-size: 28px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 20px;
    margin-top: 24px;
}

.post-section p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.post-footer {
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid var(--bg-tertiary);
}

.legal-content {
    max-width: 920px;
    margin: 0 auto;
    padding: 64px 44px;
}

.legal-content h1 {
    font-size: 40px;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.legal-content > p:first-of-type {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.legal-content h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-top: 40px;
    margin-bottom: 16px;
}

.legal-content p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 16px;
}

footer {
    background-color: var(--white);
    border-top: 1px solid var(--bg-tertiary);
    margin-top: 80px;
}

.footer-container {
    max-width: 1020px;
    margin: 0 auto;
    padding: 60px 44px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.footer-content h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.footer-content p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.footer-links ul {
    list-style: none;
    columns: 2;
    gap: 32px;
}

.footer-links li {
    margin-bottom: 12px;
    break-inside: avoid;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    background-color: var(--bg-primary);
    padding: 24px 44px;
    text-align: center;
    border-top: 1px solid var(--bg-tertiary);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.whatsapp-btn {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    z-index: 50;
}

.whatsapp-btn svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
}

@media (max-width: 768px) {
    .container-nav {
        padding: 0 24px;
    }

    .hero {
        height: 45vh;
    }

    .hero-capsule {
        padding: 32px 28px;
    }

    .hero-capsule h1 {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-panel {
        padding: 0 24px;
    }

    .content-wrapper {
        flex-direction: column;
        padding: 32px 24px;
        gap: 32px;
    }

    .section-image {
        width: 100%;
        height: 280px;
    }

    .six-areas {
        grid-template-columns: 1fr;
    }

    .concepts-grid {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr;
        padding: 40px 24px;
    }

    .footer-links ul {
        columns: 1;
    }

    .navbar-nav .nav-link {
        margin-left: 0;
        padding-left: 0;
    }

    .content-section {
        padding: 32px 24px;
    }

    .post-article {
        padding: 40px 24px;
    }

    .legal-content {
        padding: 40px 24px;
    }

    .whatsapp-btn {
        bottom: 24px;
        right: 24px;
        width: 52px;
        height: 52px;
    }

    .whatsapp-btn svg {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 480px) {
    .container-nav {
        padding: 0 16px;
    }

    .hero-capsule h1 {
        font-size: 22px;
    }

    .section-panel h2 {
        font-size: 24px;
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }

    .blog-post-preview h3 {
        font-size: 20px;
    }

    .whatsapp-btn {
        bottom: 16px;
        right: 16px;
    }
}