/* ============================================================
   Fundación Medicina, Ciencia y Humanidades
   Hoja de estilos institucional
   ============================================================ */

/* ---- 1. Tokens ---------------------------------------------------------- */
:root {
  --marfil: #F6F1E8;
  --marfil-2: #EFE8DC;
  --papel: #FBF8F2;
  --tinta: #12233A;
  --tinta-2: #1E3150;
  --grafito: #2A2E35;
  --gris: #6B6560;
  --gris-2: #8C857E;
  --linea: #D9D1C3;
  --linea-2: #E6DFD2;
  --acento: #6B1F2A;

  --serif: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --container: 1200px;
  --reading: 720px;

  --ease: cubic-bezier(.2, .6, .2, 1);

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
  --space-7: 144px;
}

/* ---- 2. Reset / base ---------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.7;
  color: var(--grafito);
  background: var(--marfil);
  font-feature-settings: "kern", "liga", "calt";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
button { font: inherit; color: inherit; }

/* Skip link */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--tinta);
  color: var(--marfil);
  padding: 10px 16px;
  z-index: 100;
  text-decoration: none;
}
.skip:focus { left: 8px; top: 8px; }

/* ---- 3. Tipografía ------------------------------------------------------ */
h1, h2, h3, h4, h5 {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--tinta);
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-3);
  line-height: 1.15;
}
h1 { font-size: clamp(40px, 5.4vw, 64px); }
h2 { font-size: clamp(30px, 3.6vw, 44px); }
h3 { font-family: var(--sans); font-weight: 600; font-size: 22px; letter-spacing: -0.005em; line-height: 1.3; }
h4 { font-family: var(--sans); font-weight: 600; font-size: 15px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gris); margin-bottom: var(--space-2); }

p { margin: 0 0 var(--space-3); }
strong { font-weight: 600; color: var(--tinta); }
em { font-style: italic; }

.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gris);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 var(--space-3);
}
.eyebrow .num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--acento);
  font-size: 18px;
  letter-spacing: 0;
  text-transform: none;
}

.display {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(54px, 8.4vw, 108px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--tinta);
  margin: 0;
}
.display em {
  font-style: italic;
  font-weight: 400;
  color: var(--acento);
}

.lead {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.45;
  color: var(--grafito);
  margin: 0 0 var(--space-4);
}

.prose { max-width: var(--reading); }
.prose p + p { margin-top: var(--space-3); }
.prose a { color: var(--tinta); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; text-decoration-color: var(--linea); }
.prose a:hover { text-decoration-color: var(--acento); }

/* ---- 4. Layout primitivos ---------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-3);
}
@media (min-width: 720px) { .container { padding: 0 var(--space-4); } }

.section {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--linea);
}
.section:first-of-type { border-top: 0; }
@media (max-width: 720px) { .section { padding: var(--space-5) 0; } }

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--linea);
}
@media (min-width: 1080px) {
  .section-head { grid-template-columns: 200px 1fr; gap: var(--space-5); align-items: end; }
}

.grid { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1080px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---- 5. Header / Nav --------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 241, 232, 0.92);
  backdrop-filter: saturate(1.2) blur(8px);
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--linea);
  transition: transform .4s var(--ease);
}
.site-header.is-hidden { transform: translateY(-101%); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 18px 0;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-decoration: none;
  color: var(--tinta);
}
.brand__name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: -0.005em;
}
.brand__sub {
  font-family: var(--sans);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gris);
  margin-top: 2px;
}

.nav { display: none; }
@media (min-width: 1080px) {
  .nav { display: flex; gap: 26px; align-items: center; }
}
.nav a {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--grafito);
  text-decoration: none;
  position: relative;
  padding: 6px 0;
  transition: color .2s var(--ease);
}
.nav a:hover { color: var(--tinta); }
.nav a[aria-current="page"] {
  color: var(--tinta);
}
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1.5px;
  background: var(--acento);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: 0;
  padding: 8px 10px;
  cursor: pointer;
  color: var(--tinta);
}
.nav-toggle__bars { width: 22px; height: 1.5px; background: currentColor; position: relative; }
.nav-toggle__bars::before, .nav-toggle__bars::after {
  content: ""; position: absolute; left: 0; right: 0; height: 1.5px; background: currentColor;
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }
.nav-toggle__label { font-size: 12px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
@media (min-width: 1080px) { .nav-toggle { display: none; } }

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--marfil);
  z-index: 50;
  padding: 80px var(--space-3) var(--space-4);
  overflow-y: auto;
}
.mobile-nav.is-open { display: block; }
.mobile-nav__close {
  position: absolute; top: 18px; right: 18px;
  background: transparent; border: 0; font-size: 14px;
  letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600;
  color: var(--tinta); cursor: pointer;
}
.mobile-nav ul { list-style: none; margin: 0; padding: 0; }
.mobile-nav li { border-top: 1px solid var(--linea); }
.mobile-nav li:last-child { border-bottom: 1px solid var(--linea); }
.mobile-nav a {
  display: block;
  padding: 18px 4px;
  font-family: var(--serif);
  font-size: 28px;
  color: var(--tinta);
  text-decoration: none;
}

/* ---- 6. Botones -------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid var(--tinta);
  background: var(--tinta);
  color: var(--marfil);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn:hover { background: var(--tinta-2); border-color: var(--tinta-2); }
.btn--ghost { background: transparent; color: var(--tinta); }
.btn--ghost:hover { background: var(--tinta); color: var(--marfil); }
.btn__arrow { transition: transform .2s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---- 7. Hero ----------------------------------------------------------- */
.hero {
  padding: clamp(var(--space-5), 10vw, var(--space-7)) 0 var(--space-6);
  border-bottom: 1px solid var(--linea);
}
.hero__meta {
  display: flex; align-items: center; gap: 16px;
  font-family: var(--sans); font-size: 12px; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--gris);
  margin-bottom: var(--space-4);
}
.hero__meta::before {
  content: ""; width: 56px; height: 1px; background: var(--acento);
}
.hero__lema {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.5;
  color: var(--grafito);
  max-width: 640px;
  margin: var(--space-4) 0 var(--space-5);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---- 8. Tarjetas y listas editoriales ---------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  padding-top: 22px;
  border-top: 1px solid var(--tinta);
  min-height: 220px;
}
.card__num {
  font-family: var(--serif);
  font-size: 14px;
  color: var(--acento);
  letter-spacing: 0.14em;
  margin-bottom: var(--space-2);
}
.card__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.2;
  color: var(--tinta);
  margin: 0 0 var(--space-2);
}
.card__body {
  color: var(--grafito);
  font-size: 15.5px;
  line-height: 1.6;
  flex: 1;
}
.card__more {
  margin-top: var(--space-3);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tinta);
  text-decoration: none;
  align-self: flex-start;
  position: relative;
  padding-bottom: 4px;
}
.card__more::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--tinta);
  transform-origin: left;
  transition: transform .25s var(--ease);
}
.card__more:hover::after { transform: scaleX(0.5); background: var(--acento); }

/* Lista dividida (para bloques de texto largos) */
.divlist { list-style: none; margin: 0; padding: 0; }
.divlist > li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--linea);
}
.divlist > li:last-child { border-bottom: 1px solid var(--linea); }
.divlist__num {
  font-family: var(--serif);
  font-size: 18px;
  font-style: italic;
  color: var(--acento);
  padding-top: 4px;
}
.divlist__title { font-family: var(--serif); font-size: 26px; font-weight: 500; color: var(--tinta); margin: 0 0 10px; }
.divlist__body { color: var(--grafito); font-size: 16px; line-height: 1.65; margin: 0; max-width: 62ch; }

/* ---- 9. Cita / pull-quote ---------------------------------------------- */
.pullquote {
  border-left: 2px solid var(--acento);
  padding: 10px 0 10px 28px;
  max-width: 800px;
  margin: var(--space-5) auto;
}
.pullquote__text {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.4;
  color: var(--tinta);
  margin: 0 0 var(--space-2);
}
.pullquote__source {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gris);
}

/* ---- 10. Perfiles de fundadores ---------------------------------------- */
.founder {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--linea);
}
.founder:last-child { border-bottom: 1px solid var(--linea); }
@media (min-width: 900px) {
  .founder { grid-template-columns: 280px 1fr; gap: var(--space-5); }
}
.founder__portrait {
  aspect-ratio: 4 / 5;
  background: var(--marfil-2);
  border: 1px solid var(--linea);
  display: flex; align-items: flex-end; justify-content: flex-start;
  padding: 18px;
  font-family: var(--serif);
  font-size: 14px;
  font-style: italic;
  color: var(--gris);
  position: relative;
  overflow: hidden;
}
.founder__portrait::before {
  content: "";
  position: absolute; inset: 12px;
  border: 1px solid var(--linea);
  pointer-events: none;
}
.founder__portrait .initials {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  font-family: var(--serif); font-style: normal; font-weight: 500;
  font-size: 72px; color: var(--tinta); letter-spacing: -0.02em;
}
.founder__portrait img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  z-index: 0;
}
.founder__portrait--photo { padding: 0; background: var(--tinta); }
.founder__portrait--photo > span { position: relative; z-index: 2; color: #fff; background: rgba(0,0,0,0.35); padding: 4px 10px; }
.founder__portrait--photo::before { z-index: 1; border-color: rgba(255,255,255,0.35); }
.founder__role {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--acento);
  margin: 0 0 8px;
}
.founder__name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 36px;
  color: var(--tinta);
  margin: 0 0 var(--space-3);
  line-height: 1.1;
}
.founder__creds {
  list-style: none; padding: 0; margin: 0 0 var(--space-3);
  display: flex; flex-wrap: wrap; gap: 8px 14px;
  font-size: 13px; color: var(--gris);
}
.founder__creds li { position: relative; padding-right: 14px; }
.founder__creds li:not(:last-child)::after {
  content: "·"; position: absolute; right: 0; color: var(--linea);
}

/* ---- 11. Publicación --------------------------------------------------- */
.pub {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--linea);
}
.pub:last-child { border-bottom: 1px solid var(--linea); }
@media (min-width: 820px) {
  .pub { grid-template-columns: 220px 1fr; gap: var(--space-5); align-items: start; }
}
.pub__cover {
  aspect-ratio: 2 / 3;
  background: linear-gradient(160deg, var(--papel) 0%, var(--marfil-2) 100%);
  border: 1px solid var(--linea);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
}
.pub__cover::after {
  content: "";
  position: absolute; top: 12px; bottom: 12px; left: 12px; right: 12px;
  border: 1px solid var(--linea);
  pointer-events: none;
}
.pub__cover-kicker {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--acento);
  margin-bottom: 14px;
}
.pub__cover-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.15;
  color: var(--tinta);
  margin: 0;
}
.pub__cover-foot {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--gris);
  margin-top: auto;
}

.pub__status {
  display: inline-block;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gris);
  padding: 4px 10px;
  border: 1px solid var(--linea);
  border-radius: 2px;
  margin-bottom: var(--space-3);
}
.pub__status--live { color: var(--acento); border-color: var(--acento); }
.pub__title { font-family: var(--serif); font-weight: 500; font-size: 32px; color: var(--tinta); margin: 0 0 10px; line-height: 1.1; }
.pub__authors { font-family: var(--sans); font-size: 14px; color: var(--gris); margin: 0 0 var(--space-3); letter-spacing: 0.04em; }
.pub__body p { font-size: 16px; line-height: 1.65; color: var(--grafito); }

/* ---- 12. Formulario ---------------------------------------------------- */
.form { max-width: 640px; }
.form__row { display: flex; flex-direction: column; gap: 8px; margin-bottom: var(--space-3); }
.form__label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gris);
}
.form__input, .form__textarea {
  font: inherit;
  font-size: 16px;
  color: var(--grafito);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--linea);
  padding: 10px 0;
  transition: border-color .2s var(--ease);
}
.form__textarea { min-height: 140px; resize: vertical; border: 1px solid var(--linea); padding: 12px 14px; }
.form__input:focus, .form__textarea:focus {
  outline: none;
  border-color: var(--tinta);
}
.form__feedback {
  margin-top: var(--space-3);
  padding: 14px 18px;
  border-left: 2px solid var(--acento);
  background: var(--papel);
  font-size: 15px;
  color: var(--grafito);
  display: none;
}
.form__feedback.is-visible { display: block; }

/* ---- 13. Footer -------------------------------------------------------- */
.site-footer {
  background: var(--tinta);
  color: var(--marfil);
  padding: var(--space-6) 0 var(--space-4);
  margin-top: var(--space-6);
}
.site-footer a { color: var(--marfil); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--acento); text-decoration-thickness: 1px; }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(246, 241, 232, 0.2);
}
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }

.footer-brand__name { font-family: var(--serif); font-size: 26px; font-weight: 500; margin: 0 0 10px; line-height: 1.15; color: var(--marfil); }
.footer-brand__lema { font-family: var(--serif); font-style: italic; color: rgba(246, 241, 232, 0.72); max-width: 320px; margin: 0; font-size: 15px; line-height: 1.5; }

.footer-col h5 { font-family: var(--sans); font-size: 11px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(246, 241, 232, 0.55); margin: 0 0 var(--space-3); }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; font-size: 14.5px; }
.footer-col p { font-size: 14.5px; color: rgba(246, 241, 232, 0.8); margin: 0 0 8px; }

.footer-base {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: var(--space-3);
  font-size: 12px;
  color: rgba(246, 241, 232, 0.55);
  letter-spacing: 0.04em;
}
@media (min-width: 720px) { .footer-base { flex-direction: row; justify-content: space-between; align-items: center; } }

/* ---- 14. Utilidades ---------------------------------------------------- */
.muted { color: var(--gris); }
.serif { font-family: var(--serif); }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.rule {
  height: 1px;
  background: var(--linea);
  border: 0;
  margin: var(--space-5) 0;
}
.rule--short { max-width: 80px; background: var(--tinta); }

:focus-visible {
  outline: 2px solid var(--acento);
  outline-offset: 3px;
  border-radius: 1px;
}

/* Preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}

/* Print */
@media print {
  .site-header, .site-footer, .mobile-nav, .nav-toggle { display: none !important; }
  body { background: white; color: black; }
  a { color: black; text-decoration: underline; }
}