/* =========================================================
   Dr. Ricardo Guerra — Conteúdo / Educação Médica
   Folha de estilo compartilhada das páginas de artigo.
   Sem animações. Paleta sálvia, igual ao site principal.
   ========================================================= */

:root {
    --rg-bg: #fbfaf7;
    --rg-dark: #474f3f;
    --rg-deepest: #2c3027;
    --rg-darker: #2f352a;
    --rg-stone: #d7d2cb;
    --rg-olive: #899064;
    --rg-sage: #b3b995;
    --rg-muted: #6a7060;
    --rg-ink: #41473a;
    --rg-ink2: #525847;
    --rg-light: #f6f5f0;
    --rg-cream: #f4f3ee;
    --rg-line: rgba(71, 79, 63, 0.14);
    --rg-line-d: rgba(215, 210, 203, 0.2);
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body.rg-page {
    margin: 0;
    font-family:
        "Jost",
        -apple-system,
        system-ui,
        sans-serif;
    background: var(--rg-bg);
    color: #3c4235;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    line-height: 1.6;
}
.rg-page a {
    color: inherit;
    text-decoration: none;
}
.rg-page img {
    display: block;
    max-width: 100%;
}
.rg-page ::selection {
    background: var(--rg-sage);
    color: var(--rg-dark);
}
.rg-disp {
    font-family:
        "Inter Tight",
        -apple-system,
        sans-serif;
}
.rg-mono {
    font-family: "DM Mono", "SFMono-Regular", monospace;
}
.rg-skip {
    position: absolute;
    left: -9999px;
    top: auto;
}
.rg-skip:focus {
    left: 16px;
    top: 16px;
    z-index: 100;
    background: var(--rg-dark);
    color: #fff;
    padding: 10px 16px;
    border-radius: 3px;
}

/* eyebrows / labels */
.rg-eyebrow {
    font-family: "DM Mono", monospace;
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rg-olive);
}
.rg-eyebrow--light {
    color: var(--rg-sage);
}

/* ---------- NAV ---------- */
.rg-nav {
    position: sticky;
    top: 0;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px clamp(20px, 5vw, 84px);
    background: rgba(251, 250, 247, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(71, 79, 63, 0.12);
}
.rg-nav__brand {
    font-family: "Inter Tight", sans-serif;
    font-weight: 500;
    letter-spacing: 0.2em;
    font-size: 15px;
    color: var(--rg-dark);
    text-transform: uppercase;
}
.rg-nav__crm {
    font-family: "DM Mono", monospace;
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--rg-olive);
    display: block;
    margin-top: 3px;
    text-transform: none;
}
.rg-nav__links {
    display: flex;
    gap: 28px;
    align-items: center;
}
.rg-nav__links a {
    font-family: "DM Mono", monospace;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--rg-muted);
    transition: color 0.2s;
}
.rg-nav__links a:hover {
    color: var(--rg-dark);
}
.rg-nav__cta {
    font-family: "Inter Tight", sans-serif;
    font-weight: 500;
    font-size: 14px;
    color: var(--rg-dark);
    border: 1px solid rgba(71, 79, 63, 0.32);
    padding: 10px 18px;
    border-radius: 2px;
    transition: all 0.25s;
    white-space: nowrap;
}
.rg-nav__cta:hover {
    background: var(--rg-dark);
    color: var(--rg-cream);
}

/* ---------- BUTTONS / LINKS ---------- */
.rg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: "Inter Tight", sans-serif;
    font-weight: 500;
    font-size: 16px;
    background: var(--rg-dark);
    color: var(--rg-cream);
    padding: 15px 26px;
    border-radius: 2px;
    transition: all 0.25s;
    text-align: center;
}
.rg-btn:hover {
    background: var(--rg-olive);
}
.rg-btn--stone {
    background: var(--rg-stone);
    color: var(--rg-dark);
}
.rg-btn--stone:hover {
    background: #fff;
}
.rg-link {
    font-family: "DM Mono", monospace;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--rg-dark);
    border-bottom: 1px solid var(--rg-olive);
    padding-bottom: 3px;
    transition: color 0.2s;
}
.rg-link:hover {
    color: var(--rg-olive);
}

/* ---------- BREADCRUMB ---------- */
.rg-crumb {
    max-width: 1180px;
    margin: 0 auto;
    padding: 22px clamp(20px, 5vw, 84px) 0;
}
.rg-crumb ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin: 0;
    padding: 0;
    font-family: "DM Mono", monospace;
    font-size: 11.5px;
    letter-spacing: 0.04em;
    color: var(--rg-muted);
}
.rg-crumb li {
    display: flex;
    align-items: center;
    gap: 8px;
}
.rg-crumb li + li::before {
    content: "›";
    color: var(--rg-olive);
}
.rg-crumb a:hover {
    color: var(--rg-dark);
}
.rg-crumb [aria-current] {
    color: var(--rg-dark);
}

/* ---------- ARTICLE HEADER ---------- */
.rg-arthead {
    max-width: 820px;
    margin: 0 auto;
    padding: clamp(26px, 4vw, 46px) clamp(20px, 5vw, 40px)
        clamp(28px, 3vw, 40px);
}
.rg-arthead .rg-eyebrow {
    display: block;
    margin-bottom: 18px;
}
.rg-arthead h1 {
    font-family: "Inter Tight", sans-serif;
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.07;
    color: var(--rg-dark);
    font-size: clamp(31px, 4.6vw, 52px);
    margin: 0;
}
.rg-arthead__sub {
    font-size: clamp(17px, 1.6vw, 20px);
    line-height: 1.55;
    color: var(--rg-ink2);
    margin: 20px 0 0;
    max-width: 60ch;
}
.rg-artmeta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    align-items: center;
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid var(--rg-line);
    font-family: "DM Mono", monospace;
    font-size: 11.5px;
    letter-spacing: 0.04em;
    color: var(--rg-muted);
    text-transform: uppercase;
}
.rg-artmeta b {
    color: var(--rg-dark);
    font-weight: 500;
}
.rg-artmeta span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.rg-artmeta i {
    color: var(--rg-olive);
    font-style: normal;
}

/* ---------- ARTICLE BODY ---------- */
.rg-article {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 clamp(20px, 5vw, 40px) clamp(50px, 7vw, 90px);
}
.rg-prose {
    font-size: 18px;
    line-height: 1.78;
    color: var(--rg-ink);
}
.rg-prose > p {
    margin: 0 0 22px;
}
.rg-prose h2 {
    font-family: "Inter Tight", sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.18;
    color: var(--rg-dark);
    font-size: clamp(24px, 2.6vw, 32px);
    margin: 48px 0 16px;
    scroll-margin-top: 90px;
}
.rg-prose h2::before {
    content: "";
    display: block;
    width: 38px;
    height: 2px;
    background: var(--rg-olive);
    margin-bottom: 18px;
}
.rg-prose h3 {
    font-family: "Inter Tight", sans-serif;
    font-weight: 600;
    line-height: 1.25;
    color: var(--rg-dark);
    font-size: clamp(19px, 1.8vw, 22px);
    margin: 32px 0 12px;
    scroll-margin-top: 90px;
}
.rg-prose strong {
    color: var(--rg-dark);
    font-weight: 600;
}
.rg-prose em {
    font-style: italic;
}
.rg-prose a:not(.rg-btn):not(.rg-link) {
    color: #5e6a3e;
    border-bottom: 1px solid rgba(137, 144, 100, 0.45);
    transition:
        border-color 0.2s,
        color 0.2s;
}
.rg-prose a:not(.rg-btn):not(.rg-link):hover {
    color: var(--rg-dark);
    border-color: var(--rg-olive);
}
.rg-prose ul,
.rg-prose ol {
    margin: 0 0 24px;
    padding-left: 0;
    list-style: none;
}
.rg-prose ul li,
.rg-prose ol li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 12px;
}
.rg-prose ul li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 13px;
    width: 7px;
    height: 7px;
    border-radius: 100px;
    background: var(--rg-olive);
}
.rg-prose ol {
    counter-reset: rgli;
}
.rg-prose ol li {
    counter-increment: rgli;
}
.rg-prose ol li::before {
    content: counter(rgli);
    position: absolute;
    left: 0;
    top: 1px;
    font-family: "DM Mono", monospace;
    font-size: 13px;
    color: var(--rg-olive);
    font-weight: 500;
}
.rg-prose blockquote {
    margin: 30px 0;
    padding: 6px 0 6px 24px;
    border-left: 2px solid var(--rg-olive);
    font-family: "Inter Tight", sans-serif;
    font-weight: 500;
    font-size: clamp(19px, 2vw, 23px);
    line-height: 1.45;
    color: var(--rg-dark);
}
.rg-prose figure {
    margin: 34px 0;
}
.rg-prose figcaption {
    font-family: "DM Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.04em;
    color: var(--rg-muted);
    margin-top: 10px;
    text-align: center;
}

/* media placeholder banner (no external image needed) */
.rg-banner {
    position: relative;
    overflow: hidden;
    border-radius: 5px;
    aspect-ratio: 16/8;
    background: var(--rg-darker);
    display: flex;
    align-items: center;
    justify-content: center;
    background-image:
        radial-gradient(
            70% 90% at 20% 18%,
            rgba(179, 185, 149, 0.3),
            transparent 55%
        ),
        radial-gradient(
            60% 80% at 86% 80%,
            rgba(137, 144, 100, 0.34),
            transparent 55%
        ),
        repeating-linear-gradient(
            125deg,
            rgba(215, 210, 203, 0.06) 0 2px,
            transparent 2px 13px
        );
}
.rg-banner span {
    font-family: "DM Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(215, 210, 203, 0.45);
    padding: 0 14px;
    text-align: center;
}

/* key-points / summary callout */
.rg-callout {
    margin: 30px 0;
    padding: clamp(22px, 3vw, 30px);
    background: linear-gradient(
        180deg,
        rgba(137, 144, 100, 0.1),
        rgba(179, 185, 149, 0.07)
    );
    border: 1px solid rgba(137, 144, 100, 0.28);
    border-left: 3px solid var(--rg-olive);
    border-radius: 4px;
}
.rg-callout__label {
    font-family: "DM Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #5e6a3e;
    margin-bottom: 14px;
}
.rg-callout ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
.rg-callout li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 10px;
    font-size: 16px;
    line-height: 1.6;
    color: var(--rg-ink);
}
.rg-callout li:last-child {
    margin-bottom: 0;
}
.rg-callout li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--rg-olive);
    font-size: 14px;
}

/* comparison table */
.rg-tablewrap {
    margin: 30px 0;
    overflow-x: auto;
    border: 1px solid var(--rg-line);
    border-radius: 4px;
}
.rg-prose table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
    min-width: 460px;
}
.rg-prose th,
.rg-prose td {
    text-align: left;
    padding: 14px 18px;
    border-bottom: 1px solid var(--rg-line);
    line-height: 1.5;
    vertical-align: top;
}
.rg-prose thead th {
    background: var(--rg-stone);
    font-family: "DM Mono", monospace;
    font-size: 11.5px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--rg-dark);
}
.rg-prose tbody tr:last-child td {
    border-bottom: none;
}
.rg-prose tbody th {
    font-family: "Inter Tight", sans-serif;
    font-weight: 600;
    color: var(--rg-dark);
    background: rgba(215, 210, 203, 0.28);
}

/* inline CTA inside the article */
.rg-inlinecta {
    margin: 40px 0;
    padding: clamp(24px, 3vw, 34px);
    background: var(--rg-dark);
    border-radius: 5px;
    background-image:
        radial-gradient(
            80% 120% at 0% 0%,
            rgba(137, 144, 100, 0.34),
            transparent 55%
        ),
        radial-gradient(
            70% 120% at 100% 100%,
            rgba(179, 185, 149, 0.22),
            transparent 55%
        );
}
.rg-inlinecta p {
    font-family: "Inter Tight", sans-serif;
    font-weight: 500;
    font-size: clamp(19px, 2vw, 23px);
    line-height: 1.35;
    color: var(--rg-light);
    margin: 0 0 18px;
    max-width: 30ch;
}
.rg-inlinecta .rg-btn {
    background: var(--rg-stone);
    color: var(--rg-dark);
}
.rg-inlinecta .rg-btn:hover {
    background: #fff;
}

/* medical disclaimer / note */
.rg-note {
    margin: 38px 0 0;
    padding: 18px 20px;
    border: 1px dashed rgba(71, 79, 63, 0.28);
    border-radius: 4px;
    font-family: "DM Mono", monospace;
    font-size: 11.5px;
    letter-spacing: 0.02em;
    line-height: 1.7;
    color: var(--rg-muted);
}

/* FAQ (static, no JS — uses <details>) */
.rg-faq {
    margin-top: 48px;
}
.rg-faq h2 {
    font-family: "Inter Tight", sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--rg-dark);
    font-size: clamp(24px, 2.6vw, 32px);
    margin: 0 0 6px;
}
.rg-faq__d {
    border-top: 1px solid var(--rg-line);
}
.rg-faq__d[open] {
    padding-bottom: 6px;
}
.rg-faq__d summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 0;
    font-family: "Inter Tight", sans-serif;
    font-weight: 500;
    font-size: clamp(16px, 1.4vw, 18px);
    color: var(--rg-dark);
}
.rg-faq__d summary::-webkit-details-marker {
    display: none;
}
.rg-faq__d summary::after {
    content: "+";
    flex: 0 0 auto;
    font-family: "Inter Tight", sans-serif;
    font-weight: 300;
    font-size: 24px;
    line-height: 1;
    color: var(--rg-olive);
}
.rg-faq__d[open] summary::after {
    content: "−";
}
.rg-faq__d p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--rg-ink2);
    margin: -2px 0 18px;
    padding-right: 24px;
}

/* author / E-E-A-T box */
.rg-author {
    margin: 52px 0 0;
    padding: clamp(24px, 3vw, 32px);
    background: #fff;
    border: 1px solid var(--rg-line);
    border-radius: 5px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.rg-author__av {
    width: 58px;
    height: 58px;
    border-radius: 100px;
    flex: 0 0 auto;
    background: radial-gradient(circle at 30% 30%, #7d855f, #39402f);
    overflow: hidden;
}
.rg-author__name {
    font-family: "Inter Tight", sans-serif;
    font-weight: 600;
    font-size: 18px;
    color: var(--rg-dark);
    margin: 0;
}
.rg-author__role {
    font-family: "DM Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--rg-olive);
    margin: 5px 0 12px;
}
.rg-author__bio {
    font-size: 15px;
    line-height: 1.65;
    color: var(--rg-ink2);
    margin: 0;
}

/* related articles */
.rg-related {
    max-width: 1180px;
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) clamp(20px, 5vw, 84px);
    border-top: 1px solid var(--rg-line);
}
.rg-related__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}
.rg-related__head h2 {
    font-family: "Inter Tight", sans-serif;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--rg-dark);
    font-size: clamp(24px, 3vw, 36px);
    margin: 0;
}
.rg-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 18px;
}
.rg-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--rg-line);
    border-radius: 5px;
    overflow: hidden;
    background: #fff;
    transition:
        transform 0.2s,
        box-shadow 0.2s,
        border-color 0.2s;
}
.rg-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(35, 40, 27, 0.1);
    border-color: rgba(137, 144, 100, 0.4);
}
.rg-card__tag {
    font-family: "DM Mono", monospace;
    font-size: 10.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--rg-olive);
    padding: 22px 22px 0;
}
.rg-card__t {
    font-family: "Inter Tight", sans-serif;
    font-weight: 600;
    font-size: 18px;
    line-height: 1.28;
    color: var(--rg-dark);
    margin: 10px 0 0;
    padding: 0 22px;
}
.rg-card__ex {
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--rg-muted);
    padding: 12px 22px 0;
    flex: 1;
}
.rg-card__go {
    font-family: "DM Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--rg-dark);
    padding: 18px 22px 24px;
}
.rg-card__go::after {
    content: " →";
    color: var(--rg-olive);
}

/* ---------- HUB (índice) ---------- */
.rg-hub {
    max-width: 1180px;
    margin: 0 auto;
    padding: clamp(8px, 2vw, 20px) clamp(20px, 5vw, 84px) clamp(50px, 7vw, 90px);
}
.rg-hub__intro {
    max-width: 60ch;
    font-size: clamp(17px, 1.6vw, 19px);
    line-height: 1.6;
    color: var(--rg-ink2);
    margin: 0 0 clamp(34px, 4vw, 52px);
}

/* ---------- FOOTER ---------- */
.rg-footer {
    position: relative;
    overflow: hidden;
    background: var(--rg-deepest);
    color: var(--rg-light);
    background-image:
        radial-gradient(
            70% 120% at 0% 0%,
            rgba(137, 144, 100, 0.3),
            transparent 55%
        ),
        radial-gradient(
            60% 110% at 100% 15%,
            rgba(179, 185, 149, 0.2),
            transparent 55%
        ),
        radial-gradient(
            90% 120% at 50% 125%,
            rgba(20, 24, 14, 0.55),
            transparent 60%
        );
}
.rg-footer__in {
    position: relative;
    z-index: 2;
    max-width: 1280px;
    margin: 0 auto;
    padding: clamp(48px, 7vw, 88px) clamp(20px, 5vw, 84px) 0;
}
.rg-footer__cta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: clamp(28px, 5vw, 64px);
    align-items: end;
    padding-bottom: clamp(36px, 5vw, 56px);
    border-bottom: 1px solid rgba(215, 210, 203, 0.18);
}
.rg-footer__cta h2 {
    font-family: "Inter Tight", sans-serif;
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.05;
    color: #f7f6f1;
    font-size: clamp(28px, 4vw, 48px);
    margin: 0;
    max-width: 18ch;
}
.rg-footer__ctabtns {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
}
.rg-footer__cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: clamp(26px, 4vw, 52px);
    padding: clamp(40px, 5vw, 60px) 0;
}
.rg-footer__brand {
    font-family: "Inter Tight", sans-serif;
    font-weight: 500;
    letter-spacing: 0.2em;
    font-size: 16px;
    text-transform: uppercase;
    color: #f7f6f1;
}
.rg-footer__tag {
    font-family: "DM Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--rg-sage);
    margin-top: 8px;
}
.rg-footer__desc {
    font-size: 14.5px;
    line-height: 1.66;
    color: rgba(246, 245, 240, 0.62);
    margin: 20px 0 0;
    max-width: 34ch;
}
.rg-fcol__label {
    font-family: "DM Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--rg-sage);
    margin-bottom: 18px;
}
.rg-fcol__links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.rg-fcol__links a {
    font-size: 14.5px;
    color: rgba(246, 245, 240, 0.72);
    transition: color 0.2s;
}
.rg-fcol__links a:hover {
    color: #fff;
}
.rg-fcol__contact {
    display: flex;
    flex-direction: column;
    gap: 11px;
}
.rg-fcol__contact span {
    display: flex;
    align-items: center;
    gap: 11px;
    font-family: "DM Mono", monospace;
    font-size: 13.5px;
    letter-spacing: 0.03em;
    color: var(--rg-light);
}
.rg-fcol__contact i {
    color: var(--rg-sage);
    font-style: normal;
}
.rg-footer__bar {
    position: relative;
    z-index: 2;
    border-top: 1px solid rgba(215, 210, 203, 0.16);
}
.rg-footer__barin {
    max-width: 1280px;
    margin: 0 auto;
    padding: 22px clamp(20px, 5vw, 84px);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
}
.rg-footer__copy {
    font-family: "DM Mono", monospace;
    font-size: 11.5px;
    letter-spacing: 0.06em;
    color: rgba(246, 245, 240, 0.55);
}
.rg-footer__legal {
    font-family: "DM Mono", monospace;
    font-size: 10.5px;
    letter-spacing: 0.02em;
    line-height: 1.7;
    color: rgba(246, 245, 240, 0.42);
    max-width: 62ch;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 760px) {
    .rg-nav__links {
        display: none;
    }
    .rg-prose {
        font-size: 16.5px;
        line-height: 1.75;
    }
    .rg-author {
        flex-direction: column;
        gap: 14px;
    }
    .rg-related__head {
        flex-direction: column;
        gap: 6px;
    }
    .rg-footer__barin {
        flex-direction: column;
        align-items: flex-start;
    }
}