/* ============================== Fonts ================================== */
@font-face {
  font-family: "Vollkorn";
  src: url("/assets/fonts/Vollkorn.woff2") format("woff2");
  font-weight: 400 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Vollkorn";
  src: url("/assets/fonts/Vollkorn-Italic.woff2") format("woff2");
  font-weight: 400 700; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "Fira Code";
  src: url("/assets/fonts/FiraCode.woff2") format("woff2");
  font-weight: 300 700; font-style: normal; font-display: swap;
}

/* ============================== Tokens ================================= */
:root {
  --base: #ffffff;
  --contrast: #111111;
  --muted: #686868;

  --content: 1400px;
  --pad: clamp(30px, 5vw, 50px);
  --space-30: 20px;
  --space-40: 30px;
  --space-60: clamp(30px, 7vw, 70px);
  --gap: 0.9rem;

  --font-body: "Fira Code", ui-monospace, "SF Mono", Menlo, monospace;
  --font-head: "Vollkorn", Georgia, "Times New Roman", serif;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--base);
  color: var(--contrast);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(1.125rem, 1.125rem + ((1vw - 0.2rem) * 0.392), 1.375rem);
  line-height: 1.5;
  letter-spacing: -0.18px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
a:hover { text-decoration: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 400;
  line-height: 1.125;
  margin: 0;
}
h1 { font-size: clamp(27.894px, 1.743rem + ((1vw - 3.2px) * 1.971), 48px); letter-spacing: -0.96px; }
h2 { font-size: clamp(23.043px, 1.44rem + ((1vw - 3.2px) * 1.466), 38px); letter-spacing: -0.96px; }
h3 { font-size: clamp(20px, 1.25rem + ((1vw - 3.2px) * 1.176), 32px); letter-spacing: -0.64px; }
h4 { font-size: clamp(17.905px, 1.119rem + ((1vw - 3.2px) * 0.99), 28px); letter-spacing: -0.56px; }

.container { max-width: var(--content); margin-inline: auto; padding-inline: var(--pad); }

main { display: block; margin-top: var(--space-60); }

/* ============================== Header ================================ */
.site-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding-block: var(--space-30);
}
.site-logo { line-height: 0; display: inline-block; }
.site-logo img { width: 127px; height: 127px; object-fit: cover; }

.nav-toggle, .nav-close {
  background: none; border: 0; padding: 8px; margin: 0;
  cursor: pointer; color: var(--contrast); line-height: 0;
}
.nav-toggle svg, .nav-close svg { fill: currentColor; }

.nav-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--base);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.nav-overlay[hidden] { display: none; }
.nav-close { position: absolute; top: 16px; right: 16px; }
.nav-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; align-items: center; gap: 1.4rem;
  text-align: center;
}
.nav-list a { font-size: clamp(1.25rem, 1rem + 1.2vw, 1.75rem); }

/* ============================== Hero / tiles ========================== */
.hero-intro { margin-top: var(--gap); }
.hero-intro p { margin: 0; }

.tiles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-top: var(--space-40);
}
.tile {
  position: relative; display: block; overflow: hidden;
  aspect-ratio: 3 / 4; text-decoration: none;
}
.tile img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.tile:hover img, .tile:focus-visible img { transform: scale(1.05); }
.tile-label {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 3em 0.77em 0.7em;
  color: #fff; font-weight: 700; text-align: center;
  background: linear-gradient(0deg, rgba(0,0,0,0.7), rgba(0,0,0,0.3) 70%, transparent);
}

/* ============================== Gallery =============================== */
.gallery .page-title { margin-bottom: var(--space-40); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: var(--gap);
  row-gap: var(--space-40);
}
.gallery-item { display: block; overflow: hidden; aspect-ratio: 1; cursor: zoom-in; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img, .gallery-item:focus-visible img { transform: scale(1.06); }

/* ============================== Lightbox ============================== */
.lightbox {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(255, 255, 255, 0.95);
  display: flex; align-items: center; justify-content: center;
}
.lightbox[aria-hidden="true"] { display: none; }
.lightbox-img { max-width: 90vw; max-height: 90vh; width: auto; height: auto; object-fit: contain; }
.lightbox button {
  position: absolute; background: none; border: 0; cursor: pointer;
  color: var(--contrast); line-height: 1; padding: 0.25rem 0.75rem;
}
.lightbox-close { top: 16px; right: 16px; font-size: 2rem; }
.lightbox-prev, .lightbox-next { top: 50%; transform: translateY(-50%); font-size: 3rem; }
.lightbox-prev { left: 8px; }
.lightbox-next { right: 8px; }

/* ============================== Article text ========================== */
.entry > * + * { margin-top: var(--gap); }
.entry p { margin: 0; }
.entry figure { margin: var(--space-40) 0; }
.entry figcaption { font-size: 0.85rem; color: var(--muted); text-align: center; margin-top: 0.5rem; }
.entry ul, .entry ol { margin: 0; padding-left: 1.3em; }
.entry li + li { margin-top: 0.3rem; }
.entry hr { border: 0; border-top: 1px solid currentColor; opacity: 0.2; margin: var(--space-40) 0; }
.entry h2, .entry h3 { margin-top: var(--space-40); }

.page-title + .post-meta { margin-top: 0.5rem; }
.post-meta {
  font-size: 0.8rem; letter-spacing: 1.4px; text-transform: uppercase;
  font-weight: 700; color: var(--muted); margin: 0;
}

.post .entry { margin-top: var(--space-40); }
.back-link { margin-top: var(--space-60); }

/* ============================== Blog list ============================= */
.post-summary { margin-top: var(--space-60); }
.post-summary:first-of-type { margin-top: var(--space-40); }
.post-summary h2 { margin: 0; }
.post-summary h2 a { text-decoration: none; }
.post-summary h2 a:hover { text-decoration: underline; }
.post-summary .post-meta { margin-top: 0.4rem; }
.post-summary p { margin: 0.6rem 0 0; }

/* ============================== Footer ================================ */
.site-footer {
  max-width: var(--content);
  margin: var(--space-60) auto 0;
  padding: var(--space-60) var(--pad) var(--space-40);
}
.footer-top {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.footer-title { font-family: var(--font-head); font-size: clamp(1.5rem, 1rem + 2vw, 2rem); margin: 0; }
.footer-nav { list-style: none; display: flex; gap: 1rem; margin: 0; padding: 0; }
.footer-nav a { text-decoration: none; }
.footer-nav a:hover { text-decoration: underline; }
.footer-tagline { margin: 0.3rem 0 0; }
.footer-easter { margin-top: var(--gap); color: var(--muted); }
.footer-colophon { margin-top: var(--gap); font-size: 0.8rem; color: var(--muted); }

/* ============================== Responsive ============================ */
@media (max-width: 781px) {
  .tiles-grid, .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}