/* The Healthy Report · informe de salud basada en evidencia
   Diseño editorial sobrio, alta legibilidad, 45+ */

:root {
  --forest: #1E5F4A;
  --forest-dark: #164535;
  --night: #0F2432;
  --amber: #C98B2E;
  --amber-dark: #A8721E;
  --cream: #FAF7F0;
  --paper: #FFFFFF;
  --ink: #1A1F2E;
  --ink-soft: #4A5564;
  --ink-muted: #6E7889;
  --rule: #E6E1D5;
  --rule-soft: #F0ECE2;
  --wash: #F5F1E6;

  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;

  --max-width: 1180px;
  --prose-width: 720px;

  --radius: 4px;
  --shadow-sm: 0 1px 2px rgba(15, 36, 50, 0.06);
  --shadow-md: 0 6px 24px rgba(15, 36, 50, 0.08);
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--forest);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}
a:hover { color: var(--amber-dark); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--night);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.2rem); margin-top: 2.4em; margin-bottom: 0.6em; }
h3 { font-size: clamp(1.25rem, 1.05rem + 0.8vw, 1.5rem); margin-top: 1.8em; margin-bottom: 0.5em; }

p { margin-bottom: 1.2em; }

ul, ol { margin: 0 0 1.4em 1.5em; }
li { margin-bottom: 0.5em; }

blockquote {
  border-left: 3px solid var(--amber);
  padding: 0.6em 1.4em;
  margin: 1.8em 0;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--ink-soft);
  background: var(--wash);
}

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2.5em 0;
}

/* Layout containers */
.container {
  width: 100%;
  max-width: var(--max-width);
  padding: 0 1.5rem;
  margin: 0 auto;
}
.container-narrow {
  width: 100%;
  max-width: var(--prose-width);
  padding: 0 1.5rem;
  margin: 0 auto;
}

/* Top strip */
.topstrip {
  background: var(--night);
  color: #D8DEE6;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  padding: 0.4em 0;
}
.topstrip .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.topstrip span { opacity: 0.75; }

/* Header + masthead */
.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.masthead {
  padding: 2rem 0 1.4rem;
  text-align: center;
  border-bottom: 1px solid var(--rule);
}
.masthead .logo-link {
  display: inline-block;
  text-decoration: none;
  color: var(--night);
}
.masthead-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2rem, 1.3rem + 2.6vw, 3.2rem);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--night);
}
.masthead-title em {
  color: var(--forest);
  font-style: normal;
}
.masthead-tagline {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 0.6em;
}

/* Primary nav */
.nav-primary {
  background: var(--paper);
}
.nav-primary .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-primary ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0.9rem 0;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}
.nav-primary a {
  color: var(--night);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  padding: 0.3em 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.nav-primary a:hover,
.nav-primary a.active {
  color: var(--forest);
  border-bottom-color: var(--amber);
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--rule);
  padding: 0.5em 0.9em;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--night);
  cursor: pointer;
  border-radius: var(--radius);
}

@media (max-width: 760px) {
  .nav-primary .container { flex-direction: column; align-items: stretch; }
  .nav-toggle { display: block; align-self: flex-end; margin: 0.6rem 0; }
  .nav-primary ul {
    display: none;
    flex-direction: column;
    align-items: stretch;
    text-align: left;
    gap: 0;
    padding: 0 0 0.6rem;
  }
  .nav-primary ul.open { display: flex; }
  .nav-primary ul li { border-top: 1px solid var(--rule); }
  .nav-primary a { display: block; padding: 0.9em 0.2em; border-bottom: 0; }
  .nav-primary a:hover, .nav-primary a.active { background: var(--wash); border-bottom: 0; }
}

/* Hero */
.hero {
  padding: 3rem 0 2.5rem;
  background: var(--cream);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--forest);
  background: rgba(30, 95, 74, 0.08);
  padding: 0.35em 0.9em;
  border-radius: 20px;
  margin-bottom: 1rem;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 1.3rem + 2.4vw, 2.8rem);
  color: var(--night);
  margin-bottom: 0.8em;
  font-weight: 700;
}
.hero-lede {
  font-size: 1.2rem;
  color: var(--ink-soft);
  margin-bottom: 1.5em;
  line-height: 1.6;
}
.hero-meta {
  font-size: 0.95rem;
  color: var(--ink-muted);
  letter-spacing: 0.03em;
}
.hero-meta strong { color: var(--night); }
.hero-art {
  background: var(--paper);
  padding: 1.5rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
}

/* Section headers */
.section {
  padding: 3rem 0;
  background: var(--cream);
}
.section--paper { background: var(--paper); }
.section--wash { background: var(--wash); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  padding-bottom: 0.8rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--night);
  flex-wrap: wrap;
}
.section-head h2 {
  margin: 0;
  font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.9rem);
}
.section-head a {
  font-family: var(--font-sans);
  text-decoration: none;
  color: var(--forest);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.section-head a:hover { color: var(--amber-dark); text-decoration: underline; }
.section-head a::after { content: " →"; }

/* Article cards grid */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.cards--two { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}
@media (max-width: 620px) {
  .cards, .cards--two { grid-template-columns: 1fr; }
}

.card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card .card-media {
  aspect-ratio: 16 / 10;
  background: var(--wash);
  overflow: hidden;
}
.card .card-media svg,
.card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card .card-body {
  padding: 1.4rem 1.3rem 1.6rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card .card-topic {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 0.6em;
  font-weight: 600;
}
.card .card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--night);
  margin: 0 0 0.5em;
  line-height: 1.3;
}
.card .card-title a { color: inherit; text-decoration: none; }
.card .card-title a:hover { color: var(--forest); }
.card .card-dek {
  font-size: 0.98rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin-bottom: 1em;
  flex: 1;
}
.card .card-meta {
  font-size: 0.85rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  padding-top: 0.6em;
  border-top: 1px solid var(--rule-soft);
}

/* Feature row (home hero split) */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.feature-split--lead { gap: 2rem; }
.feature-lead-media {
  background: var(--wash);
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.feature-lead-media svg { width: 100%; height: 100%; }
.feature-lead-body h2 { margin-top: 0; }
@media (max-width: 820px) {
  .feature-split { grid-template-columns: 1fr; }
}

/* Topic strip */
.topics {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
  margin: 1rem 0;
}
.topics a {
  background: var(--paper);
  color: var(--night);
  padding: 0.4em 1em;
  border: 1px solid var(--rule);
  border-radius: 20px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.topics a:hover {
  background: var(--night);
  color: var(--paper);
  border-color: var(--night);
}

/* Article page */
.article-header {
  background: var(--paper);
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--rule);
}
.article-header .container-narrow { text-align: left; }
.article-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 0.9em;
  font-weight: 600;
}
.article-title {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 1.3rem + 2vw, 2.6rem);
  color: var(--night);
  line-height: 1.2;
  margin-bottom: 0.6em;
  font-weight: 700;
}
.article-dek {
  font-size: 1.2rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin-bottom: 1.5em;
}
.article-byline {
  font-size: 0.9rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  padding-top: 1em;
  border-top: 1px solid var(--rule);
}
.article-byline strong { color: var(--night); }

.article-hero {
  background: var(--cream);
  padding: 1.5rem 0 2rem;
}
.article-hero-media {
  max-width: 960px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  background: var(--wash);
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.article-hero-media svg,
.article-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.article-hero-caption {
  max-width: 960px;
  margin: 0.7em auto 0;
  padding: 0 1.5rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
  font-style: italic;
}

.article-body {
  padding: 2.5rem 0 3rem;
  background: var(--cream);
}
.article-body p { font-size: 1.15rem; line-height: 1.75; }
.article-body h2:first-of-type { margin-top: 0; }
.article-body .dropcap::first-letter {
  font-family: var(--font-serif);
  font-weight: 700;
  float: left;
  font-size: 3.6em;
  line-height: 0.9;
  padding-right: 0.1em;
  padding-top: 0.08em;
  color: var(--forest);
}

.article-sources {
  background: var(--wash);
  padding: 1.6rem 1.8rem;
  border-left: 3px solid var(--forest);
  margin: 2.5em 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.article-sources h3 {
  margin: 0 0 0.6em;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--night);
}
.article-sources ul {
  margin: 0;
  padding-left: 1.3em;
  font-size: 0.98rem;
}
.article-sources li { margin-bottom: 0.4em; color: var(--ink-soft); }

.article-footer {
  padding: 2rem 0 3rem;
  background: var(--cream);
}
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  flex-wrap: wrap;
}
.article-nav a {
  text-decoration: none;
  color: var(--forest);
  font-weight: 600;
  max-width: 48%;
}
.article-nav a span {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.2em;
}

/* Prose containers */
.prose h2 { margin-top: 1.8em; }
.prose h2::before {
  content: "";
  display: block;
  width: 48px;
  height: 2px;
  background: var(--amber);
  margin-bottom: 0.6em;
}

/* Boxes */
.callout {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--forest);
  padding: 1.4rem 1.6rem;
  margin: 2em 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.callout h3 { margin: 0 0 0.5em; font-size: 1.05rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--night); }
.callout p:last-child { margin-bottom: 0; }

/* Newsletter box */
.newsletter {
  background: var(--night);
  color: #E6EAF0;
  padding: 3rem 0;
  text-align: center;
}
.newsletter h2 { color: #FFFFFF; margin-top: 0; }
.newsletter p {
  max-width: 560px;
  margin: 0.8em auto 1.6em;
  color: #B9C2CF;
  font-size: 1.05rem;
}
.newsletter form {
  display: flex;
  max-width: 520px;
  margin: 0 auto;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
}
.newsletter input[type="email"] {
  flex: 1 1 260px;
  padding: 0.9em 1em;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.05);
  color: #FFFFFF;
  border-radius: var(--radius);
}
.newsletter input[type="email"]::placeholder { color: #94A0B2; }
.newsletter input[type="email"]:focus {
  outline: 2px solid var(--amber);
  background: rgba(255,255,255,0.1);
}
.newsletter button {
  padding: 0.9em 1.8em;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--amber);
  color: var(--night);
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s ease;
}
.newsletter button:hover { background: #E8A348; }
.newsletter-note {
  margin-top: 1.2em;
  font-size: 0.82rem;
  color: #8A95A6;
  letter-spacing: 0.03em;
}

/* About / contact pages */
.page-header {
  background: var(--paper);
  padding: 2.8rem 0 1.8rem;
  border-bottom: 1px solid var(--rule);
}
.page-header .container-narrow { text-align: center; }
.page-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 0.9em;
  font-weight: 600;
}
.page-title {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 1.3rem + 2vw, 2.6rem);
  color: var(--night);
  margin-bottom: 0.4em;
  font-weight: 700;
}
.page-dek {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin-bottom: 0;
  line-height: 1.5;
}
.page-body {
  padding: 2.5rem 0 3rem;
  background: var(--cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}
.contact-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius);
}
.contact-card h3 {
  margin: 0 0 0.5em;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--night);
}
.contact-card p { margin: 0; }

/* Footer */
.site-footer {
  background: var(--night);
  color: #B9C2CF;
  padding: 3rem 0 1.5rem;
}
.site-footer a { color: #D8DEE6; text-decoration: none; }
.site-footer a:hover { color: #FFFFFF; text-decoration: underline; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-grid h4 {
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 1em;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 0.5em; }
.footer-brand {
  font-family: var(--font-serif);
  font-weight: 700;
  color: #FFFFFF;
  font-size: 1.4rem;
  margin-bottom: 0.4em;
  letter-spacing: -0.01em;
}
.footer-brand em { color: var(--amber); font-style: normal; }
.footer-tagline {
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8A95A6;
  margin-bottom: 1em;
}
.footer-desc {
  font-size: 0.95rem;
  color: #B9C2CF;
  line-height: 1.5;
}
.footer-health {
  background: rgba(255,255,255,0.03);
  border-left: 3px solid var(--amber);
  padding: 1rem 1.2rem;
  margin: 1.8rem 0;
  font-size: 0.88rem;
  color: #B9C2CF;
  line-height: 1.55;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.footer-legal {
  display: flex;
  justify-content: space-between;
  padding-top: 1.2rem;
  font-size: 0.82rem;
  color: #8A95A6;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-legal p { margin: 0; }
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; text-align: left; }
}

/* Cookie bar */
.cookie-bar {
  position: fixed;
  left: 1.2rem;
  right: 1.2rem;
  bottom: 1.2rem;
  background: var(--night);
  color: #E6EAF0;
  padding: 1.1rem 1.4rem;
  border-radius: 6px;
  box-shadow: 0 10px 40px rgba(15,36,50,0.3);
  max-width: 560px;
  margin: 0 auto;
  display: none;
  z-index: 100;
  font-size: 0.95rem;
  line-height: 1.5;
}
.cookie-bar.show { display: block; }
.cookie-bar p { margin: 0 0 0.9em; }
.cookie-bar a { color: var(--amber); }
.cookie-bar-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.cookie-bar button {
  flex: 1;
  padding: 0.6em 1.1em;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  letter-spacing: 0.03em;
}
.cookie-bar .cb-accept { background: var(--amber); color: var(--night); }
.cookie-bar .cb-accept:hover { background: #E8A348; }
.cookie-bar .cb-reject {
  background: transparent;
  color: #D8DEE6;
  border: 1px solid rgba(255,255,255,0.3);
}
.cookie-bar .cb-reject:hover { background: rgba(255,255,255,0.1); }

/* Utilities */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* 404 */
.err-wrap {
  padding: 5rem 0;
  text-align: center;
  background: var(--cream);
}
.err-wrap h1 {
  font-size: clamp(3rem, 2rem + 4vw, 5rem);
  color: var(--forest);
  margin-bottom: 0.4em;
}
.err-wrap p { font-size: 1.15rem; color: var(--ink-soft); margin-bottom: 2em; }
.err-wrap a.btn {
  display: inline-block;
  padding: 0.9em 2em;
  background: var(--forest);
  color: #FFFFFF;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  letter-spacing: 0.03em;
}
.err-wrap a.btn:hover { background: var(--forest-dark); }

/* Table of contents on article */
.article-toc {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 1.3rem 1.5rem;
  margin: 1.5em 0 2em;
  border-radius: var(--radius);
}
.article-toc h3 {
  margin: 0 0 0.6em;
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-family: var(--font-sans);
  font-weight: 700;
}
.article-toc ol {
  margin: 0;
  padding-left: 1.3em;
  font-size: 0.98rem;
  color: var(--ink-soft);
}
.article-toc li { margin-bottom: 0.35em; }
.article-toc a {
  color: var(--night);
  text-decoration: none;
  border-bottom: 1px dashed var(--rule);
}
.article-toc a:hover { color: var(--forest); border-bottom-color: var(--amber); }

/* Focus states */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* Print */
@media print {
  .site-header, .site-footer, .newsletter, .cookie-bar, .nav-primary { display: none; }
  body { background: #FFFFFF; }
}