/* ==========================================================================
   ozy.hu – modern, responsive stylesheet
   Light "sand & ink" theme: 16px base, fluid type, CSS Grid/Flexbox.
   ========================================================================== */

:root {
  --bg: #f1e8b8;
  --bg-glow: #fbf6dd;
  --surface: #fffdf6;
  --surface-alt: #f8f1d9;
  --ink: #24211a;
  --muted: #55503f;
  --line: #ded2a6;
  --frame: #33302a;
  --accent: #4a442a;
  --accent-hover: #6b5a2a;
  --link: #0b3d91;
  --link-hover: #7a2e00;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(36, 33, 26, .07), 0 12px 30px rgba(36, 33, 26, .08);
  --shadow-hover: 0 2px 4px rgba(36, 33, 26, .08), 0 20px 44px rgba(36, 33, 26, .14);
  --maxw: 1120px;
  --gutter: clamp(1rem, 3vw, 2rem);
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, Helvetica, sans-serif;
  --font-display: Georgia, "Times New Roman", Times, serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  font: 1rem/1.65 var(--font-body);
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 18% 0%, var(--bg-glow) 0%, transparent 55%),
    linear-gradient(180deg, #f7f0cf 0%, var(--bg) 45%, #e9dd9f 100%);
  background-attachment: fixed;
}

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

a {
  color: var(--link);
  text-decoration-thickness: .08em;
  text-underline-offset: .16em;
}

a:hover,
a:focus { color: var(--link-hover); }

:focus-visible {
  outline: 3px solid var(--accent-hover);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--accent);
  line-height: 1.2;
  margin: 0 0 .6em;
  text-wrap: balance;
}

p { margin: 0 0 1.1em; }

ul, ol { margin: 0 0 1.1em; padding-left: 1.4rem; }
li { margin: .25em 0; }

.container {
  width: min(var(--maxw), 100% - (2 * var(--gutter)));
  margin-inline: auto;
}

main.container {
  flex: 1;
  padding-block: clamp(1.75rem, 4vw, 3.25rem);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: .7rem 1.1rem;
  background: var(--frame);
  color: #fff;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
  color: #fff;
}

/* ---------- Header & navigation ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 253, 246, .93);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-header__inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  min-height: 4rem;
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover,
.brand:focus { color: var(--accent-hover); }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .15rem;
  margin-left: auto;
}

.site-nav a {
  padding: .4rem .62rem;
  border-radius: 999px;
  color: var(--ink);
  font-size: .95rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
  background: var(--surface-alt);
  color: var(--accent);
}

.site-nav a[aria-current="page"] {
  background: var(--accent);
  color: #fff;
}

.site-nav a[aria-current="page"]:hover,
.site-nav a[aria-current="page"]:focus { color: #fff; }

@media (max-width: 760px) {
  .site-header__inner {
    align-items: flex-start;
    padding-block: .55rem;
  }

  .site-nav {
    width: 100%;
    margin-left: 0;
  }
}

/* ---------- Page intro ---------- */

.page-intro {
  max-width: 70ch;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-intro h1 {
  font-size: clamp(2rem, 4.4vw, 2.9rem);
  margin-bottom: .45em;
}

.lead {
  font-size: clamp(1.06rem, 1.5vw, 1.22rem);
  line-height: 1.6;
  color: var(--muted);
}

.section-title {
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}

/* ---------- Home: portal cards ---------- */

.portal-grid {
  display: grid;
  gap: clamp(1rem, 2vw, 1.5rem);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
}

.portal-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .22s ease, box-shadow .22s ease;
}

.portal-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.portal-card__media {
  display: block;
  aspect-ratio: 245 / 100;
  overflow: hidden;
  background: var(--frame);
}

.portal-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portal-card__media--badge {
  display: grid;
  place-items: center;
  background: var(--surface-alt);
}

.badge-in {
  display: grid;
  place-items: center;
  width: 4.2rem;
  height: 4.2rem;
  border-radius: 1rem;
  background: var(--accent);
  color: #fff;
  font: 700 1.85rem/1 var(--font-body);
  letter-spacing: -.02em;
}

.portal-card__body {
  flex: 1;
  padding: 1.15rem 1.25rem .35rem;
}

.portal-card__body h3 {
  font-size: clamp(1.2rem, 2vw, 1.4rem);
  margin-bottom: .5rem;
}

.portal-card__body h3 a {
  color: var(--accent);
  text-decoration: none;
}

.portal-card__body h3 a:hover,
.portal-card__body h3 a:focus { text-decoration: underline; }

.portal-card__body p {
  margin: 0;
  color: var(--muted);
  font-size: .97rem;
}

.portal-card__more {
  margin: 0;
  padding: .9rem 1.25rem 1.2rem;
}

.portal-card__more a {
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
}

.portal-card__more a:hover,
.portal-card__more a:focus { text-decoration: underline; }

.external { font-size: .85em; }

.button {
  display: inline-block;
  padding: .62rem 1.05rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.button:hover,
.button:focus { background: var(--accent-hover); color: #fff; }

code {
  padding: .1em .35em;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-alt);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: .9em;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .portal-card { transition: none; }
  .portal-card:hover { transform: none; }
}

/* ---------- Long-form text ---------- */

.prose {
  max-width: 72ch;
}

.prose p { margin-bottom: 1.15em; }

.prose h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  margin-bottom: .55em;
}

.prose h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  margin: 2.1rem 0 .8rem;
  padding-bottom: .32rem;
  border-bottom: 1px solid var(--line);
}

.prose h3 {
  font-size: clamp(1.18rem, 2vw, 1.35rem);
  margin: 1.8rem 0 .55rem;
}

.prose h4 {
  font-size: 1.06rem;
  margin: 1.4rem 0 .4rem;
}

.prose em { color: inherit; }

.prose > :first-child,
.prose .page-intro h1 { margin-top: 0; }

/* ---------- Figures & letter pages ---------- */

.figure,
.letter-figure {
  margin: 0 0 1.15rem;
}

.figure img,
.letter-figure img {
  width: auto;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
}

.figure--right,
.letter-figure.figure--right {
  float: right;
  max-width: 21rem;
  margin: 0 0 1.1rem 1.5rem;
}

.figure--left,
.letter-figure.figure--left {
  float: left;
  max-width: 21rem;
  margin: 0 1.5rem 1.1rem 0;
}

.letter-figure { max-width: 14rem; }

figcaption {
  padding-top: .38rem;
  font-size: .78rem;
  line-height: 1.45;
  color: var(--muted);
}

/* POLKA table of contents + chapters */

.toc {
  margin: 1.5rem 0 2.25rem;
  padding: 1rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.toc h2 {
  margin: 0 0 .55rem;
  padding: 0;
  border: 0;
  font-family: var(--font-body);
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.toc ol { margin: 0; padding-left: 0; list-style: none; }
.toc li { margin: .2rem 0; }
.toc a { text-decoration: none; }
.toc a:hover,
.toc a:focus { text-decoration: underline; }

.letter {
  margin-top: clamp(2rem, 5vw, 3rem);
  padding-top: clamp(1.25rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
}

.letter:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.letter h2 { margin-top: 0; }

.chapter-date {
  margin: -.35rem 0 1.2rem;
  color: var(--muted);
  font-style: italic;
  font-size: .92rem;
}

.letter-list {
  margin: 0 0 1.3rem;
  padding-left: 1.4rem;
}

.letter-list li { margin: .35rem 0; }

.fact-box {
  float: left;
  max-width: 15.5rem;
  margin: 0 1.5rem 1rem 0;
  padding: .75rem 1rem;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  line-height: 1.55;
  color: var(--muted);
}

.fact-box strong { color: var(--ink); }

@media (max-width: 700px) {
  .figure--left,
  .figure--right,
  .letter-figure,
  .fact-box {
    float: none;
    max-width: 100%;
    margin: .9rem 0 1.2rem;
  }

  .letter-figure { max-width: 14rem; }
}

/* ---------- Bibliography ---------- */

.reading-list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.reading-list li { margin: 0; border-bottom: 1px solid var(--line); }

.reading-list details { padding: .65rem .1rem; }

.reading-list summary {
  cursor: pointer;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.reading-list summary:hover,
.reading-list summary:focus { color: var(--link-hover); }

.reading-list p {
  margin: .6rem 0 .15rem;
  padding-left: .1rem;
  color: var(--muted);
  font-size: .95rem;
}

/* ---------- Book ---------- */

.book { max-width: 78ch; }

.book .book-preface,
.book .book-chapter { margin-bottom: 1rem; }

.book h2 {
  margin-top: 2.6rem;
  padding-bottom: .4rem;
  border-bottom: 2px solid var(--line);
  font-size: clamp(1.55rem, 3vw, 2.1rem);
}

.book h3 {
  margin-top: 1.9rem;
  font-size: clamp(1.2rem, 2.2vw, 1.45rem);
}

.book h4 {
  margin-top: 1.4rem;
  font-size: 1.05rem;
}

.book-img {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  height: auto;
}

.book-img--left {
  float: left;
  max-width: min(46%, 24rem);
  margin: .25rem 1.4rem 1rem 0;
}

.book-img--right {
  float: right;
  max-width: min(46%, 24rem);
  margin: .25rem 0 1rem 1.4rem;
}

@media (max-width: 700px) {
  .book-img--left,
  .book-img--right {
    float: none;
    max-width: 100%;
    margin: 1rem auto;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding: 1.5rem 0;
  background: var(--frame);
  color: #ece5cc;
}

.site-footer p {
  margin: .15rem 0;
  font-size: .9rem;
  text-align: center;
}

.site-footer a { color: #ffd98a; }
.site-footer a:hover,
.site-footer a:focus { color: #fff; }

/* ---------- Print ---------- */

@media print {
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  .site-header,
  .site-footer,
  .skip-link,
  .toc { display: none !important; }

  .container {
    width: 100%;
    margin: 0;
  }

  main.container { padding: 0; }

  a { color: #000; }

  .figure--left,
  .figure--right,
  .letter-figure,
  .fact-box,
  .book-img--left,
  .book-img--right {
    float: none;
    max-width: 45%;
    margin: .5rem auto;
  }

  .letter,
  .book-chapter,
  .book-preface,
  .reading-list li { break-inside: avoid; }

  h2, h3 { break-after: avoid; }
}