/* ============================================================
   Personal Site — Editorial/Magazine
   Spec: personal-site-editorial-spec.md
   Tokens + reset + base + components + pages + responsive
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  /* Color palette (spec) */
  --color-bg: #FAF9F6;            /* off-white */
  --color-text: #1A1A1A;          /* near-black */
  --color-text-secondary: #6B6B66;
  --color-accent: #D85A30;        /* dark orange — links, dates, small highlights ONLY */
  --color-border: #E5E3DB;        /* hairline dividers */

  /* Typography */
  --font-heading: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-note: 'Caveat', cursive;
  --line-height-body: 1.7;        /* spec: 1.6–1.7 */
  --reading-width: 675px;         /* spec: max 650–700px */
  --container-wide: 1080px;       /* home/projects grid container */

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2.5rem;
  --space-lg: 6rem;

  --transition-fast: 150ms ease-out;
}

[data-theme="dark"] {
  --color-bg: #171716;
  --color-text: #E9E7E1;
  --color-text-secondary: #A3A19A;
  --color-accent: #E06A3D;        /* same hue, lightened for dark-bg contrast */
  --color-border: #2D2C29;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body { min-height: 100vh; }
img, picture, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }
h1, h2, h3, h4, p { overflow-wrap: break-word; }
h1, h2, h3, h4 { text-wrap: balance; }

/* ---------- Base ---------- */
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: var(--line-height-body);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.2;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- Layout helpers ---------- */
.wrap-wide,
.wrap-reading {
  margin-inline: auto;
  padding-inline: 1.25rem;
}
.wrap-wide { max-width: var(--container-wide); }
.wrap-reading { max-width: var(--reading-width); }

.section { padding-block: var(--space-md); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg);
}
.skip-link:focus { left: 0; }

/* ---------- Header / nav ---------- */
.site-header { border-bottom: 1px solid var(--color-border); }

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem var(--space-md);
  padding-block: 1.4rem;
}

.site-name {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.2;
}
.site-name a { color: var(--color-text); }

.tagline {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}
.signature-illustration {
  width: 9rem;
  margin-top: 0.4rem;
  color: var(--color-accent);
}
.signature-illustration svg { width: 100%; }
.signature-stroke {
  stroke-dasharray: 320;
  stroke-dashoffset: 320;
  animation: signature-draw 900ms ease-out 150ms forwards;
}
.signature-flourish { animation-delay: 500ms; }
@keyframes signature-draw { to { stroke-dashoffset: 0; } }

.site-nav {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm) 1.25rem;
  flex-wrap: wrap;
  font-size: 0.9375rem;
}
.site-nav a {
  position: relative;
  color: var(--color-text);
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.site-nav a:hover::after { transform: scaleX(1); }
.site-nav a[aria-current="page"] { color: var(--color-accent); }
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  display: inline-flex;
  padding: 0;
  border: none;
  background: none;
  color: var(--color-text-secondary);
  cursor: pointer;
}
.theme-toggle:hover { color: var(--color-accent); }
.theme-toggle svg { width: 1.125rem; height: 1.125rem; }
.icon-sun { display: none; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* Tablet and desktop: keep the theme control available while reading. */
@media (min-width: 40.0625rem) {
  .theme-toggle {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    z-index: 90;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background-color: var(--color-bg);
    color: var(--color-text-secondary);
    transition: background-color var(--transition-fast), color var(--transition-fast),
      border-color var(--transition-fast), transform var(--transition-fast);
  }
  .theme-toggle:hover {
    border-color: var(--color-accent);
    background-color: var(--color-accent);
    color: var(--color-bg);
    transform: translateY(-3px);
  }
}

/* ---------- Section labels (editorial small-caps) ---------- */
.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

/* ---------- Item lists (hairline-divided, no cards) ---------- */
.item-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.item {
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--color-border);
}
.item-meta {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.item-title {
  font-size: 1.125rem;
  line-height: 1.3;
}
.item-title a { color: var(--color-text); transition: color var(--transition-fast); }
.item-title a:hover { color: var(--color-accent); }
.item-desc {
  margin-top: 0.25rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ---------- Text links with animated underline ---------- */
.text-link,
.post-content a {
  position: relative;
  color: var(--color-accent);
}
.text-link::after,
.post-content a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.text-link:hover::after,
.post-content a:hover::after { transform: scaleX(1); }

.section-more { margin-top: var(--space-sm); font-size: 0.9375rem; }

/* ---------- Home: asymmetric grid ---------- */
.home-grid {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-md);
}
@media (min-width: 56rem) {
  .home-grid {
    grid-template-columns: 3fr 2fr;
    gap: var(--space-lg);
    padding-block: var(--space-lg) var(--space-md);
  }
}

.featured-title {
  margin: var(--space-xs) 0 var(--space-sm);
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  line-height: 1.1;
}
.featured-title a { color: var(--color-text); transition: color var(--transition-fast); }
.featured-title a:hover { color: var(--color-accent); }
.featured-summary {
  max-width: 34em;
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

/* ---------- Archive timeline ---------- */
.archive { min-width: 0; }
.archive-layout {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}
.archive-years {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.25rem;
  padding-top: 0.1rem;
}
.archive-year-button {
  padding: 0.3rem 0.5rem;
  border: none;
  border-left: 2px solid transparent;
  background: none;
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: 0.8rem;
  text-align: left;
  cursor: pointer;
}
.archive-year-button:hover,
.archive-year-button[aria-pressed="true"] {
  border-left-color: var(--color-accent);
  color: var(--color-accent);
}
.archive-groups {
  min-width: 0;
  padding-left: 1.25rem;
  border-left: 1px solid var(--color-border);
}
.archive-year { position: relative; }
.archive-year + .archive-year { margin-top: var(--space-md); }
.archive-year-heading {
  position: relative;
  margin-bottom: var(--space-xs);
  font-size: 1.05rem;
}
.archive-year-heading::before {
  content: "";
  position: absolute;
  top: 0.45rem;
  left: -1.56rem;
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid var(--color-accent);
  background: var(--color-bg);
}
.archive-year:not([hidden]) .archive-year-heading::before {
  background: var(--color-accent);
}
@media (min-width: 40.0625rem) {
  .archive-layout {
    grid-template-columns: 4rem minmax(0, 1fr);
    gap: 1.25rem;
  }
}

/* ---------- Page headers (projects / about) ---------- */
.page-title {
  margin-bottom: var(--space-xs);
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.08;
}
.page-intro {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

/* ---------- Post detail ---------- */
.post-header { margin-bottom: var(--space-md); }
.post-title {
  margin: var(--space-xs) 0;
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  line-height: 1.08;
}
.post-meta {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}
.post-meta .item-meta { display: inline; margin: 0; }

/* ---------- Listening companion ---------- */
.listening-companion {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin-top: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}
.listening-companion svg {
  flex: 0 0 auto;
  width: 1rem;
  height: 1rem;
}
.listening-companion a {
  position: relative;
  color: var(--color-accent);
}
.listening-companion a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -2px;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.listening-companion a:hover::after { transform: scaleX(1); }

.back-link {
  display: inline-block;
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
}

.post-content > p,
.annotated-paragraph > p { margin-bottom: 1.6em; }
.post-content h2 {
  margin: 2em 0 0.6em;
  font-size: 1.5rem;
}
.post-content h3 {
  margin: 1.8em 0 0.5em;
  font-size: 1.2rem;
}
.post-content ul,
.post-content ol { margin: 0 0 1.4em 1.25em; }
.post-content li { margin-bottom: 0.4em; }
.post-content blockquote {
  margin: var(--space-md) 0;
  padding-left: var(--space-sm);
  border-left: 2px solid var(--color-border);
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.5;
}
.post-content blockquote p { margin: 0; }
.post-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
}

/* Margin notes remain in the reading flow until there is enough room to
   place them beside the paragraph without narrowing the main column. */
.margin-note {
  margin: -1rem 0 1.6rem;
  padding-top: var(--space-xs);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-family: var(--font-note);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.25;
}
@media (min-width: 75rem) {
  .annotated-paragraph { position: relative; }
  .annotated-paragraph .margin-note {
    position: absolute;
    top: 0.15rem;
    left: calc(100% + 2rem);
    width: 12rem;
    margin: 0;
  }
}

/* ---------- End-of-post reactions ---------- */
.post-reactions {
  margin-top: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}
.reactions-intro {
  margin: var(--space-sm) 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}
.reaction-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.reaction-status {
  min-height: 1.5em;
  margin-top: var(--space-xs);
  color: var(--color-text-secondary);
  font-size: 0.8rem;
}
.reaction-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--color-border);
  background: none;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.25;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast),
    transform var(--transition-fast);
}
.reaction-button svg {
  flex: 0 0 auto;
  width: 1.125rem;
  height: 1.125rem;
}
.reaction-button:hover,
.reaction-button[aria-pressed="true"] {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}
.reaction-button:disabled {
  cursor: default;
  opacity: 0.7;
}
.reaction-button:disabled:hover { transform: none; }
@media (max-width: 40rem) {
  .reaction-button {
    flex: 1 1 100%;
    justify-content: flex-start;
  }
}

.prose > p { margin-bottom: 1.6em; }

/* ---------- Related posts ---------- */
.related { margin-top: var(--space-md); }
@media (min-width: 56rem) {
  .related { margin-top: var(--space-lg); }
}

/* ---------- Reading progress bar ---------- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 0;
  height: 2px;
  background: var(--color-accent);
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
@media (min-width: 56rem) {
  .site-footer { margin-top: var(--space-lg); }
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-xs) var(--space-md);
  padding-block: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* ---------- Scroll reveal (JS-gated, reduced-motion safe) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  body, .theme-toggle, .reaction-button { transition: none; }
  .signature-stroke { animation: none; stroke-dashoffset: 0; }
}

/* ---------- Language switching (TR/EN) ----------
   Content exists as paired blocks: .l-tr + .l-en. The inactive
   language is hidden by CSS alone — works without JS, no flash.
   Default (also the no-JS state) is EN: <html lang="en" data-lang="en"> */
[data-lang="tr"] .l-en { display: none; }
[data-lang="en"] .l-tr { display: none; }

.lang-toggle {
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  cursor: pointer;
}
.lang-toggle:hover { color: var(--color-accent); }

/* ---------- Small-screen breathing room ---------- */
@media (max-width: 40rem) {
  .site-nav {
    gap: 0.5rem 1rem;
    font-size: 0.875rem;
  }
  .header-inner { padding-block: 1.2rem; }
  .item { padding: 1.25rem 0; }
}