/* ==========================================================================
   SITTÁ ODONTOLOGIA - BLOG & ARTIGOS DE SEO LOCAL
   CSS MOBILE-FIRST, TIPOGRAFIA EDITORIAL & PERFORMANCE
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & RESET
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --gold: #c5a059;
    --gold-light: #d6b97b;
    --gold-dark: #a17f3e;
    --gold-gradient: linear-gradient(135deg, #e0c082 0%, #c5a059 50%, #a17f3e 100%);
    --black: #11100e;
    --charcoal: #1e1c18;
    --dark: #2d2a24;
    --warm-gray: #5c564b;
    --muted: #91897c;
    --cream: #f6f1e8;
    --ivory: #fdfbf7;
    --white: #ffffff;
    --green: #25d366;
    --green-dark: #128c7e;
    --serif: 'Cormorant Garamond', Georgia, serif;
    --sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden !important;
    width: 100%;
}

body {
    font-family: var(--sans);
    color: var(--charcoal);
    background: var(--ivory);
    line-height: 1.7;
    overflow-x: hidden !important;
    width: 100%;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 16px;
}

.container-article {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 768px) {
    .container, .container-article {
        padding: 0 24px;
    }
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* --------------------------------------------------------------------------
   2. TOP BAR & NAV
   -------------------------------------------------------------------------- */
.top-bar {
    background: var(--black);
    color: var(--cream);
    font-size: clamp(10.5px, 2.5vw, 12.5px);
    text-align: center;
    padding: 8px 12px;
    border-bottom: 1px solid rgba(197, 160, 89, 0.2);
    line-height: 1.35;
    width: 100%;
}

.top-bar strong {
    color: var(--gold-light);
}

.top-bar a {
    color: var(--gold-light);
    font-weight: 700;
    text-decoration: underline;
    margin-left: 3px;
}

.nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(253, 251, 247, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(18, 18, 16, 0.06);
    padding: 10px 0;
    width: 100%;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.logo-mark {
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--gold-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
    font-size: 19px;
    font-weight: 600;
    color: var(--gold-dark);
    background: rgba(197, 160, 89, 0.06);
    flex-shrink: 0;
}

.logo-text h1 {
    font-family: var(--serif);
    font-size: 19px;
    font-weight: 600;
    color: var(--black);
    line-height: 1;
    margin: 0;
    letter-spacing: -0.2px;
}

.logo-text span {
    font-family: var(--sans);
    font-size: 8.5px;
    letter-spacing: 2px;
    color: var(--gold-dark);
    display: block;
    margin-top: 2px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .nav-right {
        gap: 20px;
    }
}

.nav-links {
    display: none;
}

@media (min-width: 1024px) {
    .nav-links {
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .nav-link {
        font-size: 13px;
        font-weight: 500;
        color: var(--charcoal);
        transition: var(--transition);
        position: relative;
        padding: 4px 0;
    }

    .nav-link:hover, .nav-link.active {
        color: var(--gold-dark);
    }
}

@media (max-width: 1023px) {
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--ivory);
        padding: 16px 20px;
        border-bottom: 2px solid var(--gold);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
        gap: 12px;
        z-index: 999;
    }

    .nav-links.active .nav-link {
        font-size: 14.5px;
        font-weight: 600;
        color: var(--black);
        padding: 8px 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
}

.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(18, 18, 16, 0.12);
    border-radius: 6px;
    cursor: pointer;
    color: var(--black);
    width: 38px;
    height: 38px;
    padding: 0;
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

.btn-wa-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--gold-gradient);
    color: var(--black);
    font-size: 12.5px;
    font-weight: 700;
    height: 38px;
    padding: 0 16px;
    border-radius: 6px;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-wa-nav svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    flex-shrink: 0;
}

@media (max-width: 1023px) {
    .btn-wa-nav {
        width: 38px;
        height: 38px;
        padding: 0;
        border-radius: 50%;
    }
    .btn-wa-nav .btn-wa-text {
        display: none !important;
    }
    .btn-wa-nav svg {
        width: 18px;
        height: 18px;
    }
}

/* --------------------------------------------------------------------------
   3. BREADCRUMBS & ARTICLE HEADER
   -------------------------------------------------------------------------- */
.breadcrumb-nav {
    padding: 16px 0;
    font-size: 12px;
    color: var(--muted);
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    list-style: none;
}

.breadcrumb-list a {
    color: var(--warm-gray);
    transition: var(--transition);
}

.breadcrumb-list a:hover {
    color: var(--gold-dark);
    text-decoration: underline;
}

.breadcrumb-separator {
    color: rgba(18, 18, 16, 0.3);
}

.article-hero-header {
    padding: 24px 0 35px;
    border-bottom: 1px solid rgba(18, 18, 16, 0.08);
    margin-bottom: 35px;
}

.article-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(197, 160, 89, 0.12);
    color: var(--gold-dark);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 5px 12px;
    border-radius: 50px;
    margin-bottom: 16px;
    border: 1px solid rgba(197, 160, 89, 0.25);
}

.article-main-title {
    font-family: var(--serif);
    font-size: clamp(24px, 5.5vw, 42px);
    line-height: 1.22;
    color: var(--black);
    font-weight: 600;
    margin-bottom: 16px;
    word-break: break-word;
    overflow-wrap: break-word;
}

.article-lead {
    font-size: clamp(14.5px, 2.5vw, 18px);
    color: var(--warm-gray);
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.6;
    margin-bottom: 22px;
    font-weight: 400;
}

.article-meta-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(18, 18, 16, 0.06);
    font-size: 12.5px;
    color: var(--muted);
}

.author-info-inline {
    display: flex;
    align-items: center;
    gap: 10px;
}

.author-avatar-small {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    border: 1.5px solid var(--gold);
}

.author-meta-name {
    font-weight: 700;
    color: var(--black);
    display: block;
}

.author-meta-role {
    font-size: 11px;
    color: var(--warm-gray);
}

/* --------------------------------------------------------------------------
   4. ARTICLE CONTENT & EDITORIAL TYPOGRAPHY
   -------------------------------------------------------------------------- */
.article-content {
    font-size: 15.5px;
    line-height: 1.8;
    color: var(--charcoal);
}

.article-content p {
    margin-bottom: 22px;
}

.article-content h2 {
    font-family: var(--serif);
    font-size: clamp(22px, 4vw, 30px);
    color: var(--black);
    line-height: 1.25;
    margin: 40px 0 16px;
    font-weight: 600;
    border-left: 3.5px solid var(--gold);
    padding-left: 12px;
}

.article-content h3 {
    font-family: var(--serif);
    font-size: clamp(18px, 3vw, 23px);
    color: var(--charcoal);
    line-height: 1.35;
    margin: 28px 0 12px;
    font-weight: 600;
}

.article-content ul, .article-content ol {
    margin: 0 0 24px 22px;
    padding: 0;
}

.article-content li {
    margin-bottom: 10px;
    padding-left: 4px;
}

.article-content strong {
    color: var(--black);
    font-weight: 700;
}

/* Table of Contents / Índice */
.table-of-contents {
    background: var(--white);
    border: 1px solid rgba(197, 160, 89, 0.3);
    border-radius: 12px;
    padding: 20px 18px;
    margin: 30px 0 35px;
    box-shadow: 0 6px 20px rgba(18, 18, 16, 0.03);
}

.toc-title {
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.toc-title svg {
    color: var(--gold-dark);
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toc-list li a {
    font-size: 13.5px;
    color: var(--warm-gray);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    padding: 3px 0;
}

.toc-list li a:hover {
    color: var(--gold-dark);
    transform: translateX(3px);
}

.toc-list li a::before {
    content: "•";
    color: var(--gold);
    font-weight: 700;
    font-size: 16px;
}

/* Callout Boxes */
.callout-box {
    background: rgba(197, 160, 89, 0.08);
    border-left: 4px solid var(--gold);
    border-radius: 0 10px 10px 0;
    padding: 18px 20px;
    margin: 28px 0;
}

.callout-box h4 {
    font-family: var(--serif);
    font-size: 18px;
    color: var(--black);
    margin-bottom: 6px;
}

.callout-box p {
    margin: 0;
    font-size: 14px;
    color: var(--warm-gray);
    line-height: 1.6;
}

/* Comparison Tables */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
    margin: 28px 0;
    border-radius: 10px;
    border: 1px solid rgba(18, 18, 16, 0.08);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    text-align: left;
    background: var(--white);
}

.comparison-table th {
    background: var(--black);
    color: var(--cream);
    padding: 14px 16px;
    font-family: var(--sans);
    font-size: 12.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(18, 18, 16, 0.06);
    color: var(--charcoal);
}

.comparison-table tr:nth-child(even) {
    background: var(--ivory);
}

/* Local CTA Banner inside article */
.article-cta-box {
    background: var(--black);
    color: var(--cream);
    border-radius: 14px;
    padding: 30px 22px;
    margin: 40px 0;
    text-align: center;
    border: 1px solid rgba(197, 160, 89, 0.35);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.article-cta-box h3 {
    font-family: var(--serif);
    font-size: clamp(22px, 4vw, 28px);
    color: var(--white);
    margin-bottom: 10px;
    line-height: 1.25;
}

.article-cta-box p {
    font-size: 14px;
    color: var(--muted);
    max-width: 580px;
    margin: 0 auto 20px;
    line-height: 1.6;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 700;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    background: var(--gold-gradient);
    color: var(--black);
    box-shadow: 0 6px 18px rgba(197, 160, 89, 0.3);
    border: none;
    transition: var(--transition);
}

.btn-primary:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(197, 160, 89, 0.4);
}

/* Author Bio Card */
.author-bio-card {
    background: var(--white);
    border-radius: 12px;
    padding: 24px 20px;
    margin: 45px 0 35px;
    border: 1px solid rgba(197, 160, 89, 0.25);
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    align-items: center;
}

@media (min-width: 576px) {
    .author-bio-card {
        grid-template-columns: 90px 1fr;
        gap: 22px;
    }
}

.author-bio-img {
    width: 85px;
    height: 85px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--gold);
    margin: 0 auto;
}

.author-bio-content h4 {
    font-family: var(--serif);
    font-size: 19px;
    color: var(--black);
    margin-bottom: 4px;
}

.author-bio-badge {
    font-size: 11px;
    font-weight: 700;
    color: var(--gold-dark);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
    display: block;
}

.author-bio-content p {
    font-size: 12.5px;
    color: var(--warm-gray);
    line-height: 1.55;
    margin: 0;
}

/* --------------------------------------------------------------------------
   5. BLOG HUB & GRID CARDS
   -------------------------------------------------------------------------- */
.blog-hub-hero {
    background: var(--black);
    color: var(--cream);
    padding: 50px 0 60px;
    text-align: center;
    border-bottom: 1px solid rgba(197, 160, 89, 0.2);
}

.blog-hub-hero h1 {
    font-family: var(--serif);
    font-size: clamp(28px, 6vw, 44px);
    color: var(--white);
    margin-bottom: 12px;
}

.blog-hub-hero p {
    font-size: clamp(14px, 2.5vw, 16px);
    color: var(--muted);
    max-width: 650px;
    margin: 0 auto;
}

.blog-grid-section {
    padding: 50px 0 70px;
}

.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 650px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
}

.blog-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(18, 18, 16, 0.08);
    box-shadow: 0 6px 20px rgba(18, 18, 16, 0.03);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: var(--gold);
    box-shadow: 0 12px 30px rgba(197, 160, 89, 0.15);
}

.blog-card-img-wrap {
    position: relative;
    width: 100%;
    height: 190px;
    background: #111;
    overflow: hidden;
}

.blog-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-img-wrap img {
    transform: scale(1.05);
}

.blog-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(17, 16, 14, 0.9);
    backdrop-filter: blur(6px);
    color: var(--gold-light);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid rgba(197, 160, 89, 0.35);
}

.blog-card-body {
    padding: 18px 16px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.blog-card-meta {
    font-size: 11.5px;
    color: var(--muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.blog-card-title {
    font-family: var(--serif);
    font-size: 19px;
    line-height: 1.3;
    color: var(--black);
    margin-bottom: 10px;
    font-weight: 600;
}

.blog-card-snippet {
    font-size: 13px;
    color: var(--warm-gray);
    line-height: 1.55;
    margin-bottom: 16px;
    flex-grow: 1;
}

.blog-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--gold-dark);
    transition: var(--transition);
}

.blog-card:hover .blog-card-link {
    color: var(--black);
    gap: 9px;
}

/* --------------------------------------------------------------------------
   6. FAQ SECTION & ACCORDION
   -------------------------------------------------------------------------- */
.faq-section {
    margin: 45px 0 35px;
    border-top: 1px solid rgba(18, 18, 16, 0.08);
    padding-top: 35px;
}

.faq-title {
    font-family: var(--serif);
    font-size: clamp(22px, 4vw, 28px);
    color: var(--black);
    margin-bottom: 20px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.faq-item {
    background: var(--white);
    border-radius: 8px;
    border: 1px solid rgba(18, 18, 16, 0.08);
    overflow: hidden;
}

.faq-btn {
    width: 100%;
    padding: 16px 16px;
    text-align: left;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 600;
    color: var(--black);
}

.faq-arrow {
    width: 16px !important;
    height: 16px !important;
    fill: none;
    stroke: var(--gold-dark);
    stroke-width: 2.5;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    padding: 0 16px;
}

.faq-content p {
    padding-bottom: 16px;
    font-size: 13.5px;
    color: var(--warm-gray);
    line-height: 1.6;
    margin: 0;
}

/* --------------------------------------------------------------------------
   7. FOOTER & BOTOES FLUTUANTES
   -------------------------------------------------------------------------- */
.footer {
    background: var(--black);
    color: var(--muted);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(246, 241, 232, 0.05);
    font-size: 13.5px;
    width: 100%;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(246, 241, 232, 0.08);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 35px;
    }
}

.footer h4 {
    color: var(--white);
    font-family: var(--serif);
    font-size: 17px;
    margin-bottom: 14px;
    font-weight: 500;
}

.footer a {
    color: var(--muted);
    transition: var(--transition);
}

.footer a:hover {
    color: var(--gold-light);
}

.wa-float {
    position: fixed;
    bottom: 16px;
    right: 12px;
    z-index: 9999;
    width: 50px;
    height: 50px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
}

.wa-float svg {
    width: 26px !important;
    height: 26px !important;
    fill: #fff;
    flex-shrink: 0;
}

.mktg-seal-float {
    position: fixed;
    bottom: 16px;
    left: 12px;
    z-index: 9999;
    background: rgba(17, 16, 14, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(197, 160, 89, 0.35);
    border-radius: 50px;
    padding: 4px 10px 4px 5px;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    text-decoration: none;
}

.mktg-seal-logo {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--gold-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-family: var(--sans);
    font-weight: 800;
    font-size: 9.5px;
    flex-shrink: 0;
}

.mktg-seal-text {
    display: flex;
    flex-direction: column;
}

.mktg-seal-text span:first-child {
    font-size: 8.5px;
    font-weight: 700;
    color: var(--cream);
}

.mktg-seal-text span:last-child {
    font-size: 7px;
    color: var(--gold-light);
    text-transform: uppercase;
}