/*
  Variables y base del tema
*/
:root {
  --paper: #f6f2e9;
  --paper-deep: #eee8dc;
  --ink: #263454;
  --ink-soft: #5f6680;
  --rule: rgba(104, 133, 177, 0.06);
  --coral: #c97868;
  --blue-accent: #4265a8;
  --blue-accent-soft: #e2e8f4;
  --lavender: #b9b3d1;
  --line: #d9d0c2;
  --header-bg: rgba(246, 242, 233, 0.94);
  --border-soft: rgba(38, 52, 84, 0.1);
  --border-medium: rgba(38, 52, 84, 0.12);
  --border-strong: rgba(38, 52, 84, 0.16);
  --header-border: rgba(38, 52, 84, 0.13);
  --panel-bg: rgba(250, 247, 240, 0.72);
  --panel-border: rgba(38, 52, 84, 0.14);
  --panel-shadow: rgba(38, 52, 84, 0.035);
  --row-hover: rgba(255, 255, 255, 0.34);
  --card-bg: rgba(250, 247, 240, 0.65);
  --card-shadow: rgba(38, 52, 84, 0.06);
  --code-bg: rgba(185, 179, 209, 0.2);
  --footer-border: rgba(38, 52, 84, 0.18);
  color-scheme: light;
  --sans: "DM Sans", sans-serif;
  --display: "Barlow Condensed", sans-serif;
  --hand: "Caveat", cursive;
  --text-small: 0.75rem;
  --text-body: 0.9375rem;
  --text-lead: 1.125rem;
  --heading-small: clamp(1.5rem, 2.8vw, 1.875rem);
  --heading-section: clamp(2rem, 4vw, 2.625rem);
  --heading-page: clamp(2.75rem, 6vw, 4rem);
  --heading-hero: clamp(3.5rem, 7vw, 5.25rem);
}

:root[data-theme="dark"] {
  --paper: #1b2438;
  --paper-deep: #242f46;
  --ink: #f1eadc;
  --ink-soft: #c0c5d1;
  --rule: rgba(202, 211, 232, 0.045);
  --coral: #e49a83;
  --blue-accent: #9db8ed;
  --blue-accent-soft: #303d58;
  --lavender: #c1badb;
  --line: #46516a;
  --header-bg: rgba(27, 36, 56, 0.94);
  --border-soft: rgba(225, 231, 243, 0.1);
  --border-medium: rgba(225, 231, 243, 0.14);
  --border-strong: rgba(225, 231, 243, 0.18);
  --header-border: rgba(225, 231, 243, 0.14);
  --panel-bg: rgba(36, 47, 70, 0.8);
  --panel-border: rgba(225, 231, 243, 0.16);
  --panel-shadow: rgba(0, 0, 0, 0.12);
  --row-hover: rgba(255, 255, 255, 0.055);
  --card-bg: rgba(36, 47, 70, 0.72);
  --card-shadow: rgba(0, 0, 0, 0.18);
  --code-bg: rgba(193, 186, 219, 0.16);
  --footer-border: rgba(225, 231, 243, 0.18);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 105px;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 31px,
    var(--rule) 32px,
    transparent 33px
  );
  font-family: var(--sans);
  font-size: var(--text-body);
  line-height: 1.75;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 4px;
}

/*
  Accesibilidad y utilidades
*/
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  background: var(--paper);
  padding: 0.5rem 1rem;
}

/*
  Header y navegación
*/
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--header-border);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 13px 34px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  font: 600 43px/0.9 var(--hand);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: -0.5px;
}

.wordmark-dot {
  color: var(--coral);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 27px);
}

.primary-nav a {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.25px;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 8px 0 6px;
  border-bottom: 1px solid transparent;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--ink);
  border-color: var(--coral);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 2px;
  padding: 8px 11px;
  font: 600 11px var(--sans);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.theme-toggle {
  display: inline-grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
  background: var(--paper-deep);
}

.theme-toggle svg {
  width: 23px;
  height: 23px;
  fill: currentColor;
}

/*
  Layout general del sitio
*/
.site-main {
  width: min(100% - 48px, 1000px);
  margin: 0 auto;
  flex: 1;
}

.paper-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: 5px 5px 0 var(--panel-shadow);
}

.eyebrow {
  margin: 0 0 15px;
  color: var(--coral);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 2px;
  font-weight: 700;
  text-transform: uppercase;
}

/*
  Home / hero
*/
.hero {
  max-width: 940px;
  margin: 48px auto 72px;
  padding: clamp(48px, 7vw, 78px) 0;
  position: relative;
}

.hero.paper-panel {
  background: transparent;
  border: 0;
  box-shadow: none;
}

.hero-copy {
  max-width: 850px;
  margin: 0 auto;
}

.hero .eyebrow {
  color: var(--blue-accent);
  font-size: 9px;
  letter-spacing: 1.6px;
}

.hero h1,
.page-title {
  margin: 0;
  font: 400 var(--heading-hero)/1.04 var(--display);
  letter-spacing: -0.5px;
}

.hero h1 em {
  position: relative;
  display: inline-block;
  color: var(--blue-accent);
  font: 600 1.08em/0.95 var(--hand);
  letter-spacing: 0;
}

.hero h1 em::after {
  position: absolute;
  right: 0;
  bottom: -0.12em;
  left: 0;
  height: 2px;
  background: currentColor;
  content: "";
  transform: rotate(-2deg);
}

.closing-note h2 em {
  color: var(--coral);
  font: 600 1.08em/0.95 var(--hand);
}

.hero-intro {
  max-width: 650px;
  margin: 26px 0 0;
  color: var(--ink);
  font: 400 clamp(1.125rem, 2vw, 1.3rem)/1.65 var(--sans);
}

.text-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--coral);
  padding: 0 0 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.text-link:hover {
  color: var(--coral);
}

/*
  Secciones de listados
*/
.section-block {
  margin: 0 auto 82px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 22px;
}

.section-heading .eyebrow {
  margin-bottom: 5px;
}

.section-heading h2,
.closing-note h2 {
  margin: 0;
  font: 500 var(--heading-section)/1.08 var(--display);
}

.accent {
  color: var(--coral);
}

.entry-list {
  border-top: 1px solid var(--border-strong);
}

.entry-row {
  display: grid;
  grid-template-columns: 90px 1fr 24px;
  align-items: center;
  gap: 18px;
  padding: 18px 8px;
  border-bottom: 1px solid var(--border-medium);
  text-decoration: none;
  transition: background 0.2s ease, padding 0.2s ease;
}

.entry-row:hover {
  background: var(--row-hover);
  padding-left: 15px;
}

.entry-date {
  color: var(--coral);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.entry-main {
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

.entry-main strong {
  font: 500 22px/1.25 var(--display);
}

.entry-main small {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: var(--text-small);
}

.entry-arrow {
  justify-self: end;
  color: var(--coral);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--border-strong);
  background: var(--card-bg);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: 4px 5px 0 var(--card-shadow);
}

.card-index {
  color: var(--coral);
  font-size: 9px;
  letter-spacing: 1.7px;
}

.project-card h3 {
  margin: 17px 0 8px;
  font: 500 28px/1.15 var(--display);
}

.project-card p {
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-size: var(--text-small);
}

.card-link {
  margin-top: auto;
  font-size: 11px;
  border-bottom: 1px solid var(--coral);
  padding-bottom: 3px;
}

.closing-note {
  margin: 0 auto 70px;
  padding: 38px 20px 42px;
  text-align: center;
  border-top: 1px solid var(--line);
}

.closing-note .eyebrow {
  margin-bottom: 10px;
}

.closing-note h2 {
  margin-bottom: 12px;
}

.closing-note-copy {
  max-width: 440px;
  margin: 0 auto 20px;
  color: var(--ink-soft);
  font-size: 0.8125rem;
}

.button-link {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  padding: 11px 18px;
  font-size: 11px;
  letter-spacing: 0.7px;
}

.button-link:hover {
  background: var(--coral);
}

/*
  Páginas internas y artículos
*/
.page-header {
  padding: 64px 0 36px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 34px;
}

.page-title {
  font-size: var(--heading-page);
}

.page-intro {
  max-width: 630px;
  margin: 17px 0 0;
  color: var(--ink-soft);
  font-size: var(--text-body);
}

.reading-column {
  max-width: 720px;
  margin: 0 auto 72px;
}

.reading-column .entry-list {
  margin-top: 0;
}

.prose {
  color: var(--ink);
  font-size: var(--text-body);
  line-height: 1.85;
}

.prose h2 {
  margin: 2em 0 0.4em;
  color: var(--ink);
  font: 500 var(--heading-small)/1.2 var(--display);
}

.prose h3 {
  color: var(--ink);
  font: 500 21px/1.3 var(--display);
}

.prose a {
  text-decoration-color: var(--coral);
  text-underline-offset: 3px;
}

.prose blockquote {
  margin: 28px 0;
  padding: 10px 0 10px 22px;
  border-left: 2px solid var(--coral);
  color: var(--ink);
  font: 500 25px/1.35 var(--hand);
}

.prose li {
  margin: 6px 0;
}

.education {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.education .eyebrow {
  margin-bottom: 6px;
}

.education h2 {
  margin: 0 0 20px;
  color: var(--ink);
  font: 500 var(--heading-small)/1.15 var(--display);
}

.education-list {
  margin: 0;
}

.education-item {
  padding: 14px 0;
  border-top: 1px solid var(--border-medium);
}

.education-item dt {
  color: var(--ink);
  font-weight: 600;
}

.education-item dd {
  margin: 3px 0 0;
  color: var(--ink-soft);
  font-size: var(--text-small);
}

.article-reading-page .article-page {
  max-width: 760px;
  padding-top: 64px;
  margin-bottom: 84px;
}

.back-link {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 11px;
}

.back-link:hover {
  color: var(--coral);
}

.article-page .eyebrow {
  margin-bottom: 10px;
}

.article-reading-page {
  background-image: none;
}

.article-reading-page .article-page .article-heading {
  margin-bottom: 30px;
}

.article-reading-page .article-page .page-title {
  max-width: none;
  font: 500 clamp(2.5rem, 5vw, 3.75rem)/1.1 var(--sans);
  letter-spacing: -1.8px;
}

.article-date {
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.article-reading-page .article-page .prose {
  margin-top: 0;
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(1.125rem, 1.2vw, 1.3rem);
  line-height: 1.8;
}

.article-reading-page .article-page .prose p {
  margin: 0 0 1.35em;
}

.article-reading-page .article-page .back-link {
  margin: 18px 0 0;
  font-size: 13px;
}

.article-reading-page .article-page > .back-link:first-child {
  margin: 0 0 28px;
}

.article-pagination {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 38px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.article-pagination .back-link {
  margin: 0;
}

.article-pagination-next {
  justify-content: flex-end;
}

.listing-grid {
  margin: 10px 0 75px;
}

.contact-list {
  border-top: 1px solid var(--line);
}

.contact-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.contact-row span {
  color: var(--ink-soft);
  font-size: var(--text-small);
}

.contact-row strong {
  font-size: var(--text-small);
  font-weight: 600;
}

.quiet-note {
  color: var(--ink-soft);
  font-size: var(--text-small);
  padding: 18px 0;
}

code {
  background: var(--code-bg);
  padding: 2px 5px;
  font-size: 0.9em;
}

/*
  Footer
*/
.site-footer {
  border-top: 1px solid var(--footer-border);
  padding: 23px 24px 18px;
  color: var(--ink-soft);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 11px;
}

.footer-inner .copyright {
  margin: 0;
  color: var(--ink-soft);
  font-size: 9px;
  letter-spacing: 1px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
}

.social-links a {
  text-decoration: none;
  color: var(--ink);
}

.social-links a:hover {
  color: var(--coral);
}

/*
  Responsive
*/
@media (max-width: 780px) {
  .header-inner {
    padding: 11px 20px;
    flex-wrap: wrap;
  }

  .wordmark {
    font-size: 39px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .primary-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 7px 0 4px;
  }

  .primary-nav.is-open {
    display: flex;
  }

  .primary-nav a {
    padding: 11px 4px;
    border-bottom: 1px solid var(--border-soft);
  }

  .menu-toggle {
    order: 3;
  }

  .theme-toggle {
    order: 2;
    margin-left: auto;
  }

  .primary-nav {
    order: 4;
  }

  .hero {
    margin: 20px auto 52px;
    padding: 42px 0;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 10vw, 3.75rem);
  }

  .hero-intro {
    margin-top: 22px;
    font-size: 1.125rem;
  }

  .page-title {
    font-size: clamp(2.5rem, 8vw, 3.25rem);
  }

  .article-reading-page .article-page {
    padding-top: 42px;
  }

  .article-reading-page .article-page .page-title {
    font-size: clamp(2.25rem, 9vw, 3.25rem);
    letter-spacing: -1px;
  }

  .article-reading-page .article-page .prose {
    font-size: 1.125rem;
    line-height: 1.75;
  }

  .site-main {
    width: min(100% - 32px, 1000px);
  }

  .section-block {
    margin-bottom: 62px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .entry-row {
    grid-template-columns: 65px 1fr 18px;
    gap: 10px;
    padding: 15px 3px;
  }

  .entry-main strong {
    font-size: 20px;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    padding-top: 45px;
  }

  .contact-row {
    flex-direction: column;
    gap: 3px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 7px;
  }

  .social-links {
    justify-content: flex-start;
    gap: 8px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}