/* ==========================================================================
   NP Board Prep Journal — stylesheet
   ========================================================================== */

:root {
  --ink:        #14211f;
  --ink-soft:   #3d514e;
  --ink-faint:  #6b807d;
  --line:       #dfe6e4;
  --line-soft:  #eef2f1;
  --paper:      #fbfaf7;
  --card:       #ffffff;
  --brand:      #0f5c55;
  --brand-dark: #0a423d;
  --brand-tint: #e6f1ef;
  --accent:     #b4553a;
  --accent-tint:#fbeee9;
  --shadow:     0 1px 2px rgba(20,33,31,.05), 0 8px 24px rgba(20,33,31,.06);
  --radius:     14px;
  --serif:      "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans:       system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap:       1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--brand); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 720px; }

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(251,250,247,.92);
  backdrop-filter: saturate(180%) blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--brand);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .5px;
  flex: none;
}

.brand-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -.2px;
  line-height: 1.15;
}

.brand-tag {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover { color: var(--brand); border-bottom-color: var(--brand); }

/* ---------- hero ---------- */

.hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(900px 380px at 12% -10%, var(--brand-tint), transparent 65%),
    radial-gradient(700px 320px at 95% 0%, #f6ece7, transparent 60%);
}

.eyebrow {
  font-size: 12px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--brand);
  font-weight: 700;
  margin: 0 0 14px;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(34px, 5.2vw, 54px);
  line-height: 1.1;
  letter-spacing: -.02em;
  margin: 0 0 18px;
  max-width: 17ch;
}

.hero p {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 62ch;
  margin: 0 0 28px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  max-width: 780px;
}

.hero-stats div { min-width: 120px; }

.hero-stats strong {
  display: block;
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.2;
  color: var(--brand-dark);
}

.hero-stats span {
  font-size: 13px;
  color: var(--ink-faint);
  letter-spacing: .02em;
}

/* ---------- filters ---------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0 0 34px;
}

.filters button {
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-soft);
  cursor: pointer;
  transition: .15s ease;
}

.filters button:hover { border-color: var(--brand); color: var(--brand); }

.filters button[aria-pressed="true"] {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

/* ---------- sections ---------- */

.section { padding: 56px 0; }
.section + .section { padding-top: 8px; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-family: var(--serif);
  font-size: 27px;
  letter-spacing: -.01em;
  margin: 0;
}

.section-head p { margin: 0; color: var(--ink-faint); font-size: 14.5px; }

/* ---------- cards ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 22px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 24px 22px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: .18s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: #cdd9d6;
}

.card h3 {
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: -.01em;
  margin: 12px 0 10px;
}

.card p {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.6;
  flex: 1;
}

.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--brand);
  background: var(--brand-tint);
  border-radius: 5px;
  padding: 4px 9px;
  align-self: flex-start;
}

.tag.clinical { color: var(--accent); background: var(--accent-tint); }
.tag.pmhnp { color: #4a3f7a; background: #efecf8; }

.card-meta {
  font-size: 13px;
  color: var(--ink-faint);
  display: flex;
  gap: 10px;
  align-items: center;
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
}

.card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--line); }

/* featured */

.featured {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 26px;
  align-items: stretch;
}

.featured .card-lg {
  background: var(--brand-dark);
  color: #eef6f4;
  border: none;
  padding: 38px 36px 32px;
}

.featured .card-lg .tag { background: rgba(255,255,255,.14); color: #bfe4dd; }
.featured .card-lg h3 { font-size: 31px; color: #fff; margin-top: 16px; }
.featured .card-lg p { color: #c3d8d4; font-size: 16.5px; }
.featured .card-lg .card-meta { color: #93b3ad; border-top-color: rgba(255,255,255,.13); }
.featured .card-lg:hover { box-shadow: 0 12px 34px rgba(10,66,61,.28); }

.featured .stack { display: grid; gap: 22px; }

@media (max-width: 860px) {
  .featured { grid-template-columns: 1fr; }
}

/* ---------- article ---------- */

.article-header {
  padding: 46px 0 34px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--brand-tint), transparent);
}

.crumbs {
  font-size: 13.5px;
  color: var(--ink-faint);
  margin-bottom: 20px;
}

.crumbs a { color: var(--ink-soft); text-decoration: none; }
.crumbs a:hover { color: var(--brand); text-decoration: underline; }

.article-header h1 {
  font-family: var(--serif);
  font-size: clamp(30px, 4.4vw, 43px);
  line-height: 1.14;
  letter-spacing: -.02em;
  margin: 14px 0 16px;
}

.standfirst {
  font-size: 19px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0 0 24px;
}

.byline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  font-size: 13.5px;
  color: var(--ink-faint);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.article-body { padding: 44px 0 20px; }

.article-body h2 {
  font-family: var(--serif);
  font-size: 27px;
  letter-spacing: -.01em;
  line-height: 1.25;
  margin: 46px 0 14px;
  scroll-margin-top: 90px;
}

.article-body h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.005em;
  margin: 30px 0 10px;
  color: var(--brand-dark);
}

.article-body p { margin: 0 0 18px; }

.article-body ul,
.article-body ol { margin: 0 0 20px; padding-left: 22px; }

.article-body li { margin-bottom: 9px; }

.article-body strong { color: var(--ink); }

.article-body blockquote {
  margin: 28px 0;
  padding: 4px 0 4px 22px;
  border-left: 3px solid var(--brand);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.5;
  color: var(--brand-dark);
}

.toc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 0 0 38px;
}

.toc h2 {
  font-family: var(--sans);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 12px;
}

.toc ol { margin: 0; padding-left: 20px; }
.toc li { margin-bottom: 6px; font-size: 15px; }
.toc a { color: var(--ink-soft); text-decoration: none; }
.toc a:hover { color: var(--brand); text-decoration: underline; }

.callout {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand);
  border-radius: 10px;
  padding: 20px 22px;
  margin: 28px 0;
}

.callout.warn { border-left-color: var(--accent); }

.callout h4 {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--brand);
}

.callout.warn h4 { color: var(--accent); }

.callout p:last-child, .callout ul:last-child { margin-bottom: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: 15px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

thead th {
  background: var(--brand-tint);
  text-align: left;
  font-size: 12.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--brand-dark);
  padding: 12px 14px;
}

td, tbody th {
  padding: 12px 14px;
  border-top: 1px solid var(--line-soft);
  vertical-align: top;
  text-align: left;
}

tbody th { font-weight: 600; color: var(--ink); }

.table-scroll { overflow-x: auto; }

.keypoints {
  background: var(--brand-dark);
  color: #d9eae7;
  border-radius: var(--radius);
  padding: 26px 28px;
  margin: 38px 0 10px;
}

.keypoints h4 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.keypoints ul { margin: 0; padding-left: 20px; }
.keypoints li { margin-bottom: 8px; }
.keypoints li::marker { color: #6fb3a8; }

/* related + pager */

.related { padding: 20px 0 60px; }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  margin: 40px 0 46px;
  flex-wrap: wrap;
}

.pager a {
  text-decoration: none;
  color: var(--ink);
  max-width: 46%;
  min-width: 200px;
}

.pager span {
  display: block;
  font-size: 11.5px;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 5px;
}

.pager strong { font-family: var(--serif); font-size: 17px; font-weight: 600; line-height: 1.35; }
.pager a:hover strong { color: var(--brand); }
.pager .next { text-align: right; margin-left: auto; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: #f3f2ee;
  padding: 46px 0 34px;
  font-size: 14.5px;
  color: var(--ink-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 30px;
}

.site-footer h4 {
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 12px;
}

.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--brand); text-decoration: underline; }

.disclaimer {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  font-size: 13px;
  color: var(--ink-faint);
  line-height: 1.6;
}

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; }
  .site-header .wrap { flex-direction: column; align-items: flex-start; padding-top: 12px; padding-bottom: 12px; }
  .hero { padding: 46px 0 40px; }
  body { font-size: 16.5px; }
}


/* ---------- banners de afiliado (NP Exam Coach) ---------- */
.ad-banner {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 24px;
  position: relative;
}
.ad-banner.ad-top { max-width: var(--wrap); margin: 32px auto 8px; }
.ad-banner.ad-mid { max-width: var(--wrap); margin: 48px auto; }
/* dentro do corpo do artigo o .wrap.narrow ja da o recuo - alinha com o texto */
.article-body .ad-banner { max-width: 100%; padding-left: 0; padding-right: 0; }
.ad-banner .ad-label {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}
.ad-banner .ad-link {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  transition: transform .18s ease, box-shadow .18s ease;
}
.ad-banner .ad-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 4px rgba(20,33,31,.06), 0 14px 32px rgba(20,33,31,.12);
}
.ad-banner img { width: 100%; height: auto; display: block; }
.ad-banner.ad-top img,
.ad-banner.ad-mid img    { aspect-ratio: 2.5 / 1; object-fit: cover; }
.ad-banner.ad-bottom img { aspect-ratio: 3 / 2; object-fit: cover; }
@media (max-width: 640px) {
  .ad-banner { margin: 32px auto; padding: 0 20px; }
  .ad-banner.ad-top img,
  .ad-banner.ad-mid img,
  .ad-banner.ad-bottom img { aspect-ratio: 1 / 1; }
}

/* side rail vertical - so em telas largas, nao desloca o conteudo */
.ad-banner.ad-rail { display: none; }
@media (min-width: 1500px) {
  .ad-banner.ad-rail {
    display: block;
    position: fixed;
    right: 28px;
    top: 112px;
    width: 196px;
    max-width: 196px;
    margin: 0;
    padding: 0;
    z-index: 40;
  }
  .ad-banner.ad-rail img { aspect-ratio: 1 / 2; object-fit: cover; }
}
@media print { .ad-banner { display: none; } }