/* ==========================================================================
   Monika Chuchro Theme — Main Stylesheet
   Light, clean, academic design
   ========================================================================== */

/* --- Custom Properties --- */
:root {
  --color-bg:           #ffffff;
  --color-bg-alt:       #f4f8f6;
  --color-bg-dark:      #1a2e27;
  --color-primary:      #2e7d6e;
  --color-primary-dark: #1f5c52;
  --color-primary-light:#e8f5f1;
  --color-accent:       #4aa08a;
  --color-text:         #1a1a2e;
  --color-text-muted:   #5a6a70;
  --color-border:       #e0ebe8;
  --color-white:        #ffffff;

  --font-sans:   'Inter', system-ui, -apple-system, sans-serif;
  --font-serif:  'Merriweather', Georgia, serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.10);

  --max-width:  1140px;
  --nav-height: 68px;
  --transition: 200ms ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { max-width: 72ch; }
p + p { margin-top: .85em; }

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: 5rem;
}
.section--alt {
  background: var(--color-bg-alt);
}

/* --- Navigation --- */
.site-nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.site-nav.scrolled {
  box-shadow: var(--shadow-sm);
}
.site-nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.site-nav__logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: .5rem;
  white-space: nowrap;
}
.site-nav__logo:hover { color: var(--color-primary); }
.site-nav__logo .logo-dot {
  width: 8px; height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.site-nav__menu {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.site-nav__menu a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: .5rem .75rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.site-nav__menu a:hover,
.site-nav__menu a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.site-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: .5rem;
  background: none;
  border: none;
}
.site-nav__hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* --- Hero --- */
.hero {
  display: grid;
  grid-template-columns: 1fr 2fr;
  padding-top: var(--nav-height);
  align-items: center;
}

.hero__text-panel {
  background: var(--color-bg);
  display: flex;
  align-items: center;
  padding: 2rem 2.5rem 2rem clamp(1.5rem, 5vw, calc((100vw - var(--max-width)) / 2 + 1.5rem));
  align-self: stretch;
  z-index: 1;
}

.hero__content {
  max-width: 400px;
}

.hero__image-panel {
  display: flex;
  align-items: center;
}

.hero__image-panel-img {
  width: 100%;
  height: auto;
  display: block;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid rgba(46,125,110,.2);
  padding: .3rem .75rem;
  border-radius: 99px;
  margin-bottom: 1.5rem;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.hero__badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

.hero__title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}
.hero__title .highlight {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 50ch;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-sans);
  font-size: .9375rem;
  font-weight: 600;
  padding: .75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(46,125,110,.3);
}
.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* --- Section headers --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}
.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: .75rem;
}
.section-header h2 {
  margin-bottom: .75rem;
}
.section-header p {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  max-width: 52ch;
  margin-inline: auto;
}

/* --- About --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}
.about__photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
}
.about__photo img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.about__content h2 { margin-bottom: 1rem; }
.about__content p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-size: 1.0625rem;
  line-height: 1.75;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
.info-item {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}
.info-item__label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-muted);
  margin-bottom: .25rem;
}
.info-item__value {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--color-text);
}

/* --- Research / Cards --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card__icon {
  width: 44px; height: 44px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
}
.card h3 {
  font-size: 1.0625rem;
  margin-bottom: .5rem;
}
.card p {
  font-size: .9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --- Publications --- */
.publications-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.publication-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem;
  transition: box-shadow var(--transition);
}
.publication-item:hover {
  box-shadow: var(--shadow-sm);
}
.publication-item__title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: .35rem;
}
.publication-item__title a {
  color: inherit;
}
.publication-item__title a:hover {
  color: var(--color-primary);
}
.publication-item__meta {
  font-size: .8125rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.publication-item__meta .badge {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 600;
  padding: .15rem .5rem;
  border-radius: 4px;
}

/* --- Teaching --- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.course-card {
  display: block;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  color: inherit;
  transition: box-shadow var(--transition), transform var(--transition);
}
.course-card:hover {
  color: inherit;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.course-card__code {
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: .5rem;
}
.course-card h3 {
  font-size: 1rem;
  margin-bottom: .5rem;
}
.course-card p {
  font-size: .875rem;
  color: var(--color-text-muted);
}

/* --- Contact --- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem 2rem;
  max-width: 700px;
  margin: 0 auto;
}
.contact-row {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contact-row__icon {
  width: 40px; height: 40px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.contact-row__text strong {
  display: block;
  font-size: .8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-muted);
  margin-bottom: .2rem;
}
.contact-row__text span, .contact-row__text a {
  font-size: .9375rem;
  color: var(--color-text);
}

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.form-group label {
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-text);
}
.form-group input,
.form-group textarea,
.form-group select {
  font-family: var(--font-sans);
  font-size: .9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: .65rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  appearance: none;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(46,125,110,.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }

/* --- Footer --- */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,.65);
  padding-block: 2.5rem;
  font-size: .875rem;
}
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.site-footer__logo {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}
.site-footer__links {
  width: 100%;
  display: flex;
  gap: 1.5rem;
}
.site-footer__links a {
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.site-footer__links a:hover { color: var(--color-accent); }

/* --- Skip link (a11y) --- */
.skip-link {
  position: absolute;
  top: -9999px;
  left: 1rem;
  background: var(--color-primary);
  color: #fff;
  padding: .5rem 1rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 700;
  z-index: 9999;
}
.skip-link:focus { top: 0; }

/* --- Entry content (post/page body) --- */
.entry-content {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
}
.entry-content > * + * {
  margin-top: .85em;
}
.entry-content h1,
.entry-content h2,
.entry-content h3,
.entry-content h4,
.entry-content h5,
.entry-content h6 {
  margin-top: 1.75em;
  margin-bottom: .5em;
}
.entry-content ul,
.entry-content ol {
  padding-left: 1.5rem;
  margin-top: .5em;
  margin-bottom: .5em;
}
.entry-content ul { list-style: disc; }
.entry-content ol { list-style: decimal; }
.entry-content li {
  margin-bottom: .35em;
  line-height: 1.65;
}
.entry-content li > ul,
.entry-content li > ol {
  margin-top: .25em;
}
.entry-content blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin: 1.5rem 0;
}
.entry-content code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: .875em;
  background: var(--color-bg-alt);
  padding: .15em .4em;
  border-radius: 4px;
  color: var(--color-primary-dark);
}
.entry-content pre {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  overflow-x: auto;
  font-size: .875rem;
}
.entry-content img {
  border-radius: var(--radius-md);
}
.entry-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}
.entry-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- WordPress core classes --- */
.wp-caption { max-width: 100%; }
.alignleft { float: left; margin-right: 1.5rem; }
.alignright { float: right; margin-left: 1.5rem; }
.aligncenter { margin-inline: auto; }

/* --- Utilities --- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: 240px auto;
  }
  .hero__image-panel {
    order: -1;
  }
  .hero__text-panel {
    padding: 2.5rem 1.5rem;
  }
  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .about__photo { position: static; }
  .info-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .section { padding-block: 3.5rem; }
  .site-nav__menu { display: none; }
  .site-nav__menu.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: var(--nav-height) 0 0;
    background: var(--color-bg);
    padding: 1.5rem;
    border-top: 1px solid var(--color-border);
    overflow-y: auto;
    z-index: 99;
  }
  .site-nav__hamburger { display: flex; }
  .info-grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .cards-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .site-footer__inner { flex-direction: column; text-align: center; }
}

/* ==========================================================================
   Strona publikacji (/publikacje/)
   ========================================================================== */

.pub-page {
  /* padding handled by parent .container inline style */
}

/* --- Prace dyplomowe --- */
.thesis-list {
  list-style: decimal;
  padding-left: 1.5rem;
  margin: 0 0 1rem;
}
.thesis-list li {
  margin-bottom: .4rem;
  font-size: .95rem;
  line-height: 1.6;
}

.pub-page__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: .5rem;
}

.pub-page__hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-bottom: 1.75rem;
}

.pub-page__author-data {
  margin-bottom: 2.5rem;
  font-size: .93rem;
  line-height: 1.5;
}

.pub-page__author-data p { margin: 0 0 .25rem; }
.pub-page__author-data a { color: var(--color-primary); word-break: break-all; }

.pub-page__year {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: .75rem;
  color: var(--color-text);
}

.pub-page__year--older {
  margin-top: 3rem;
}

.pub-list {
  list-style: decimal;
  padding-left: 1.5rem;
  margin: 0;
}

.pub-item {
  margin-bottom: 1rem;
  font-size: .93rem;
  line-height: 1.65;
  color: var(--color-text);
}

.pub-item__title {
  font-weight: 700;
}

.pub-item__title a {
  color: var(--color-text);
  text-decoration: none;
}

.pub-item__title a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.pub-item__cite {
  font-weight: 400;
  color: var(--color-text-muted);
}

/* --- Print --- */
@media print {
  .site-nav, .hero__actions, .contact-form, .site-footer { display: none; }
  body { font-size: 12pt; color: #000; }
  a::after { content: " (" attr(href) ")"; font-size: .85em; }
}