/* natasha.apt.fit – public portfolio theme */
:root {
  --bg: #e6efeb;          /* soft sage, as in the reference sites */
  --bg-deep: #cfe0d9;
  --card: #ffffff;
  --ink: #26302c;
  --ink-soft: #55625d;
  --rule: #d5dfdb;
  --accent: #1f4a3d;      /* deep green for buttons and links */
  --accent-soft: #e3eee9;
  --radius: 6px;
  --shadow: 0 1px 2px rgba(20, 40, 32, .06), 0 8px 28px rgba(20, 40, 32, .06);
  --measure: 70ch;
  --sans: 'Jost', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1.0625rem/1.75 var(--serif);
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--accent); color: #fff; padding: .5rem 1rem; z-index: 100; }
.skip-link:focus { left: 1rem; }

/* ---------- header & navigation ---------- */
.site-header {
  background: var(--card);
  text-align: center;
  padding: 2.5rem 1rem 0;
  position: relative;
}
.site-name {
  font: 400 clamp(2rem, 5vw, 2.9rem)/1.1 var(--sans);
  letter-spacing: .01em;
  color: var(--ink);
  text-decoration: none;
}
.site-tagline { margin: .4rem 0 0; font: 400 1rem var(--sans); color: var(--ink-soft); letter-spacing: .06em; text-transform: uppercase; }
.site-rule { width: min(720px, 90%); margin: 1.4rem auto 0; border: 0; border-top: 1px solid var(--ink); opacity: .35; }

.site-nav ul { list-style: none; margin: 0; padding: 0; }
.site-nav > ul { display: flex; justify-content: center; flex-wrap: wrap; gap: .25rem 1.75rem; padding: .9rem 0 1.1rem; }
.site-nav a, .dropdown-toggle {
  font: 400 .95rem/1.4 var(--sans);
  color: var(--ink);
  text-decoration: none;
  background: none;
  border: 0;
  padding: .35rem 0;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.site-nav > ul > li > a:hover, .dropdown-toggle:hover,
.site-nav a[aria-current="page"], .dropdown-toggle.is-current { border-bottom-color: var(--accent); color: var(--accent); }
.caret { font-size: .8em; display: inline-block; transition: transform .15s; }

.has-dropdown { position: relative; }
.dropdown {
  position: absolute; left: 50%; top: 100%; z-index: 20;
  transform: translateX(-50%);
  min-width: 15rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: .4rem;
  text-align: left;
  display: none;
}
.has-dropdown:hover .dropdown, .has-dropdown.open .dropdown, .has-dropdown:focus-within .dropdown { display: block; }
.has-dropdown.open .caret { transform: rotate(180deg); }
.dropdown a { display: block; padding: .55rem .8rem; border-radius: 4px; border: 0; }
.dropdown a:hover, .dropdown a[aria-current="page"] { background: var(--accent-soft); }
.dropdown-num { display: block; }
.dropdown-title { display: block; font-size: .82rem; color: var(--ink-soft); }

.nav-toggle { display: none; }

@media (max-width: 760px) {
  .site-header { padding-top: 1.6rem; }
  .nav-toggle {
    display: inline-flex; align-items: center; gap: .6rem;
    margin: .9rem auto 1rem; padding: .5rem 1rem;
    font: 500 .95rem var(--sans); color: var(--ink);
    background: none; border: 1px solid var(--rule); border-radius: var(--radius); cursor: pointer;
  }
  .nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
    display: block; width: 18px; height: 2px; background: currentColor; position: relative; content: '';
  }
  .nav-toggle-bars::before { position: absolute; top: -6px; }
  .nav-toggle-bars::after { position: absolute; top: 6px; }
  .site-nav { display: none; border-top: 1px solid var(--rule); }
  .site-nav.open { display: block; }
  .site-nav > ul { flex-direction: column; gap: 0; padding: .5rem 0 1rem; }
  .site-nav > ul > li > a, .dropdown-toggle { display: block; width: 100%; padding: .7rem 1rem; text-align: center; }
  .dropdown { position: static; transform: none; box-shadow: none; border: 0; background: var(--bg); text-align: center; }
  .has-dropdown:hover .dropdown { display: none; }
  .has-dropdown.open .dropdown { display: block; }
}

/* ---------- page layout ---------- */
.page { max-width: 1040px; margin: 0 auto; padding: clamp(1.25rem, 4vw, 3rem) clamp(1rem, 3vw, 2rem) 4rem; counter-reset: figure; }
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 5vw, 3.5rem) clamp(1.25rem, 6vw, 5rem);
}
.page-title { font: 400 clamp(1.8rem, 4vw, 2.4rem)/1.2 var(--sans); margin: 0 0 1.75rem; }
.eyebrow { font: 500 .8rem var(--sans); text-transform: uppercase; letter-spacing: .12em; color: var(--accent); margin: 0 0 .4rem; }
.muted { color: var(--ink-soft); }
.center { text-align: center; }

/* ---------- prose (content written in the editor) ---------- */
.prose { max-width: var(--measure); }
.prose > :first-child { margin-top: 0; }
.prose > :last-child { margin-bottom: 0; }
.prose p { margin: 0 0 1.1em; }
.prose h2, .prose h3, .prose h4 { font-family: var(--sans); line-height: 1.3; clear: none; }
.prose h2 { font-size: 1.5rem; font-weight: 500; margin: 2em 0 .6em; }
.prose h3 { font-size: 1.15rem; font-weight: 600; margin: 1.8em 0 .5em; }
.prose h4 { font-size: 1rem; font-weight: 600; margin: 1.5em 0 .4em; }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.1em; }
.prose li { margin: .25em 0; }
.prose blockquote { margin: 1.5em 0; padding: .2em 0 .2em 1.2em; border-left: 3px solid var(--bg-deep); color: var(--ink-soft); font-style: italic; }
.prose .ql-align-center { text-align: center; }
.prose .ql-align-right { text-align: right; }
.prose .ql-align-justify { text-align: justify; }
.prose .ql-indent-1 { padding-left: 2em; } .prose .ql-indent-2 { padding-left: 4em; } .prose .ql-indent-3 { padding-left: 6em; }
.prose::after { content: ''; display: table; clear: both; }
.lead { font-size: 1.15rem; }

/* ---------- figures / evidence artefacts ---------- */
.fig { margin: 2rem 0; }
.fig img {
  width: 100%;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: #fff;
  cursor: zoom-in;
}
.fig figcaption { margin-top: .6rem; font: .9rem/1.5 var(--sans); color: var(--ink-soft); }
/* Automatic numbering: "Figure 1: ..." – only for figures that have a caption. */
.fig figcaption:not(:empty)::before { counter-increment: figure; content: 'Figure ' counter(figure) ': '; font-weight: 600; color: var(--ink); }

@media (min-width: 761px) {
  .fig--left, .fig--right { width: 46%; margin-top: .4rem; margin-bottom: 1.5rem; }
  .fig--left { float: left; margin-right: 2rem; }
  .fig--right { float: right; margin-left: 2rem; }
}
.fig--pdf .fig-file {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--rule); border-radius: var(--radius);
  background: var(--accent-soft);
  font: 500 1rem var(--sans);
  text-decoration: none;
}
.fig--pdf .fig-file::before {
  content: 'PDF'; flex: none;
  display: grid; place-items: center;
  width: 2.75rem; height: 3.4rem;
  background: var(--accent); color: #fff; border-radius: 3px;
  font: 600 .75rem var(--sans); letter-spacing: .05em;
}
.fig--pdf .fig-file:hover { background: var(--bg-deep); }

/* ---------- home ---------- */
.home-intro { margin-bottom: 2rem; }
.home-intro.has-photo { display: grid; grid-template-columns: minmax(180px, 280px) 1fr; gap: 2.5rem; align-items: start; }
.home-photo { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius); }
@media (max-width: 760px) {
  .home-intro.has-photo { grid-template-columns: 1fr; gap: 1.5rem; }
  .home-photo { max-width: 260px; margin: 0 auto; }
}

/* ---------- evidence ---------- */
.evidence-section { padding: 2rem 0; border-top: 1px solid var(--rule); }
.evidence-section:first-of-type { border-top: 0; padding-top: 0; }
.evidence-section > h2 { font: 500 1.45rem var(--sans); margin: 0 0 1rem; color: var(--accent); }
.standards { margin: 1rem 0 0; display: grid; gap: 1rem; }
.standard { display: grid; grid-template-columns: 5.5rem 1fr; gap: 1.25rem; padding: 1rem 1.25rem; background: var(--accent-soft); border-radius: var(--radius); }
.standard dt { font: 600 1.1rem var(--sans); color: var(--accent); }
.standard dd { margin: 0; }
@media (max-width: 520px) { .standard { grid-template-columns: 1fr; gap: .25rem; } }

.pager { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); font-family: var(--sans); }
.pager a { text-decoration: none; }

.evidence-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.evidence-list a { display: block; padding: 1.25rem 1.5rem; border: 1px solid var(--rule); border-radius: var(--radius); text-decoration: none; color: var(--ink); }
.evidence-list a:hover { border-color: var(--accent); background: var(--accent-soft); }
.evidence-num { display: block; font: 500 .8rem var(--sans); text-transform: uppercase; letter-spacing: .1em; color: var(--accent); }
.evidence-title { font: 400 1.25rem var(--sans); }

/* ---------- references (APA hanging indent) ---------- */
.references p { padding-left: 2.5em; text-indent: -2.5em; margin-bottom: .9em; }

/* ---------- professional documents (row layout inspired by reference site) ---------- */
.documents-head { text-align: center; max-width: 640px; margin: 0 auto 2.5rem; }
.documents-head .prose { margin: 0 auto; color: var(--ink-soft); }
.doc-row {
  display: grid; grid-template-columns: 1fr 1.35fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center;
  padding: clamp(1.5rem, 4vw, 3rem) 0;
  border-top: 1px solid var(--bg-deep);
}
.doc-info h2 { font: 400 1.8rem/1.25 var(--sans); margin: 0 0 1rem; }
.doc-info .prose { margin-bottom: 1.5rem; }
.doc-preview { background: var(--card); padding: clamp(1rem, 3vw, 2rem); box-shadow: var(--shadow); border-radius: var(--radius); }
.doc-preview img { margin: 0 auto; max-height: 520px; width: auto; cursor: zoom-in; border: 1px solid var(--rule); }
.doc-icon { display: flex; flex-direction: column; align-items: center; gap: .75rem; padding: 2.5rem 1rem; text-decoration: none; font-family: var(--sans); }
.doc-icon-ext { display: grid; place-items: center; width: 4.5rem; height: 5.75rem; background: var(--accent); color: #fff; border-radius: 4px; font-weight: 600; letter-spacing: .05em; }
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .7rem 1.6rem;
  background: var(--accent); color: #fff;
  font: 500 .95rem var(--sans); text-decoration: none;
  border-radius: 3px;
}
.btn:hover { background: #163a30; }
.btn-sub { font-size: .75rem; opacity: .75; letter-spacing: .05em; }
@media (max-width: 760px) {
  .doc-row { grid-template-columns: 1fr; text-align: center; }
  .doc-info .prose { margin-left: auto; margin-right: auto; }
}

/* ---------- footer ---------- */
.site-footer { text-align: center; padding: 2rem 1rem 3rem; font: .85rem var(--sans); color: var(--ink-soft); }

/* ---------- lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem;
  padding: 3.5rem 1rem 1.5rem;
  background: rgba(14, 22, 19, .92);
}
.lightbox[hidden] { display: none; }
.lightbox img { max-width: min(1400px, 100%); max-height: calc(100vh - 9rem); width: auto; object-fit: contain; background: #fff; border-radius: 3px; }
.lightbox-caption { color: #e8efec; font: .95rem/1.5 var(--sans); text-align: center; max-width: 70ch; margin: 0; }
.lightbox button { position: absolute; background: rgba(255, 255, 255, .12); color: #fff; border: 0; cursor: pointer; font: 1.6rem/1 var(--sans); width: 2.75rem; height: 2.75rem; border-radius: 50%; }
.lightbox button:hover { background: rgba(255, 255, 255, .25); }
.lightbox-close { top: 1rem; right: 1rem; }
.lightbox-prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1rem; top: 50%; transform: translateY(-50%); }
body.lightbox-open { overflow: hidden; }

@media print {
  .site-nav, .nav-toggle, .pager, .lightbox { display: none !important; }
  body { background: #fff; }
  .card, .doc-preview { box-shadow: none; padding: 0; }
}