/* ============================================================
   podcast-i-undervisningen.css
   Avhenger av nla-tokens.css (must load first)
   ============================================================ */

/* Montserrat som web-fallback for Avenir Next */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&display=swap');

:root {
  --sidebar-w: 230px;
  --topbar-h: 54px;
}

/* ===== RESET ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg-warm);
  line-height: var(--lh-loose);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: var(--lh-snug);
  color: var(--nla-forest);
}

a {
  color: var(--nla-forest-600);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--nla-green-700);
}

.icon {
  width: 16px;
  height: 16px;
  stroke-width: 1.75;
  vertical-align: middle;
  flex-shrink: 0;
}

.icon-lg {
  width: 20px;
  height: 20px;
  stroke-width: 1.60;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ===== TOPBAR ===== */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--topbar-h);
  background: var(--nla-forest-700);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  border-bottom: 3px solid var(--nla-green);
  gap: 1rem;
}

.topbar-brand {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: .92rem;
  color: var(--color-text-inverse);
  letter-spacing: .01em;
}

.topbar-brand span {
  font-weight: 400;
  opacity: .65;
  font-size: .82rem;
  margin-left: .4rem;
}

/* Hamburger */
.hamburger {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: .4rem;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-inverse);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease-out),
    opacity var(--dur-fast) var(--ease-out);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== LAYOUT ===== */
.layout {
  display: flex;
  margin-top: var(--topbar-h);
  min-height: calc(100vh - var(--topbar-h));
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--nla-green-50);
  border-right: 1px solid var(--color-border);
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 0 0 2rem;
}

.sidebar-group-label {
  font-family: var(--font-sans);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--nla-gray);
  padding: .75rem 1.1rem .35rem;
}

.sidebar a {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .42rem 1.1rem;
  font-size: .84rem;
  font-family: var(--font-sans);
  color: var(--nla-forest-600);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
}

.sidebar a:hover {
  background: var(--nla-green-100);
  color: var(--nla-forest);
}

.sidebar a.active {
  border-left-color: var(--nla-forest);
  background: var(--nla-green-200);
  color: var(--nla-forest);
  font-weight: 600;
}

.sidebar a.sub {
  padding-left: 2.5rem;
  font-size: .8rem;
  color: var(--nla-gray);
}

.sidebar a.sub:hover {
  color: var(--nla-forest);
}

.sidebar a.sub.active {
  border-left-color: var(--nla-green);
  color: var(--nla-green-800);
  font-weight: 600;
  background: var(--nla-green-100);
}

.sidebar-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: .4rem 1.1rem 0;
}

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 149;
  background: rgba(0, 0, 0, .4);
}

/* ===== MAIN ===== */
.main {
  flex: 1;
  min-width: 0;
}

/* ===== HERO ===== */
.hero {
  background: var(--nla-forest-700);
  color: var(--color-text-inverse);
  padding: 4.5rem 3rem 4rem;
  text-align: center;
  border-bottom: 3px solid var(--nla-green);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  color: var(--color-text-inverse);
  margin-bottom: .7rem;
  font-weight: 700;
}

.hero p {
  max-width: 560px;
  margin: 0 auto 2.5rem;
  opacity: .85;
  font-size: .97rem;
}

.hero-byline {
  font-size: .78rem;
  opacity: .55;
  margin-top: .3rem;
  letter-spacing: .03em;
}

.audience-row {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.audience-card {
  background: rgba(255, 255, 255, .09);
  border: 1px solid rgba(255, 255, 255, .22);
  border-top: 3px solid white;
  border-radius: var(--r-md);
  padding: 1.4rem 1.8rem 1.3rem;
  width: 235px;
  text-decoration: none;
  color: var(--color-text-inverse);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.audience-card:hover {
  background: rgba(255, 255, 255, .16);
  transform: translateY(-2px);
  color: var(--color-text-inverse);
}

.audience-card svg {
  opacity: .7;
  margin-bottom: .2rem;
}

.audience-card strong {
  font-size: .97rem;
  font-family: var(--font-sans);
}

.audience-card span {
  font-size: .8rem;
  opacity: .78;
  text-align: center;
  line-height: 1.45;
}

/* ===== SECTIONS ===== */
.section {
  max-width: 780px;
  margin: 3.5rem auto;
  padding: 0 2.5rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.6rem;
}

.section-label {
  font-family: var(--font-sans);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-inverse);
  background: var(--nla-forest);
  padding: .2rem .6rem;
  border-radius: var(--r-sm);
}

.section-label.accent {
  background: var(--nla-green-700);
}

.section-label.green {
  background: var(--nla-green);
}

.section-header h2 {
  font-size: 1.5rem;
}

/* Audience blocks */
.audience-block {
  border-left: 4px solid var(--nla-forest);
  background: var(--nla-forest-100);
  padding: 1rem 1.4rem;
  margin: 1rem 0;
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.audience-block.student {
  border-color: var(--nla-green);
  background: var(--nla-green-100);
}

.block-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  margin-bottom: .35rem;
  color: var(--nla-forest);
}

.audience-block.student .block-label {
  color: var(--nla-green-700);
}

/* Phase heading */
.phase-heading {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 2.5rem 0 .85rem;
  font-size: 1.1rem;
  font-family: var(--font-display);
  color: var(--nla-forest);
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--color-border);
}

.phase-heading svg {
  color: var(--nla-forest-600);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
  gap: 1rem;
  margin: 1.3rem 0;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--nla-forest);
  border-radius: var(--r-md);
  padding: 1.3rem;
  box-shadow: var(--shadow-sm);
}

.card h3 {
  font-family: var(--font-sans);
  font-size: .9rem;
  font-weight: 600;
  margin-bottom: .4rem;
  color: var(--nla-forest);
}

.card p {
  font-size: .83rem;
  color: var(--nla-gray);
  line-height: 1.55;
}

.card-tag {
  display: inline-block;
  margin-top: .8rem;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .15rem .55rem;
  border-radius: var(--r-sm);
  background: var(--nla-green-100);
  color: var(--nla-forest);
  font-family: var(--font-sans);
}

/* Accordion */
details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-md);
  margin: .75rem 0;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

summary {
  padding: .9rem 1.2rem;
  font-weight: 600;
  font-size: .9rem;
  font-family: var(--font-sans);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: .6rem;
  color: var(--nla-forest);
}

summary::-webkit-details-marker {
  display: none;
}

summary svg.chevron {
  margin-left: auto;
  color: var(--nla-gray);
  transition: transform var(--dur-fast);
  flex-shrink: 0;
}

details[open] summary svg.chevron {
  transform: rotate(90deg);
}

details[open] summary {
  border-bottom: 1px solid var(--color-border);
  background: var(--nla-green-50);
}

.details-body {
  padding: 1.1rem 1.3rem;
  font-size: .88rem;
  line-height: var(--lh-loose);
}

.details-body ol,
.details-body ul {
  padding-left: 1.4rem;
}

.details-body li {
  margin-bottom: .3rem;
}

/* Checklist */
.checklist {
  list-style: none;
  padding: 0;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: .55rem;
  padding: .38rem 0;
  border-bottom: 1px solid var(--nla-green-100);
  font-size: .87rem;
}

.checklist li::before {
  content: '☐';
  font-size: .95rem;
  flex-shrink: 0;
  color: var(--nla-gray);
  margin-top: .05rem;
}

/* Callout */
.callout {
  border-left: 4px solid var(--nla-forest);
  background: var(--nla-forest-100);
  padding: .85rem 1.2rem;
  margin: 1.2rem 0;
  font-size: .87rem;
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.callout.tip {
  border-color: var(--nla-green-700);
  background: var(--nla-green-50);
}

.callout.warning {
  border-color: var(--nla-green);
  background: var(--nla-green-100);
}

/* Video */
.video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid var(--color-border);
  margin: 1.2rem 0;
}

.video-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Principles */
.principle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1rem;
  margin: 1.3rem 0;
}

.principle {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-md);
  padding: 1.2rem;
  box-shadow: var(--shadow-sm);
}

.principle-icon {
  width: 32px;
  height: 32px;
  background: var(--nla-green-100);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .7rem;
  color: var(--nla-forest);
}

.principle h3 {
  font-family: var(--font-sans);
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: .3rem;
  color: var(--nla-forest);
}

.principle p {
  font-size: .8rem;
  color: var(--nla-gray);
  line-height: 1.55;
}

/* Research */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(225px, 1fr));
  gap: 1rem;
  margin: 1.3rem 0;
}

.research-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-md);
  padding: 1.2rem;
  border-top: 3px solid var(--nla-forest);
  box-shadow: var(--shadow-sm);
}

.research-card h3 {
  font-family: var(--font-sans);
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: .4rem;
  color: var(--nla-forest);
}

.research-card p {
  font-size: .81rem;
  color: var(--nla-gray);
  line-height: 1.55;
}

/* References */
.ref-list {
  list-style: none;
  padding: 0;
}

.ref-list li {
  padding: .65rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: .85rem;
  line-height: var(--lh-loose);
}

/* Project banner */
.project-banner {
  background: var(--nla-green-700);
  color: var(--color-text-inverse);
  border-radius: var(--r-md);
  padding: 2rem 1.8rem;
  margin-bottom: 1.8rem;
}

.project-banner h2 {
  color: var(--color-text-inverse);
  font-size: 1.3rem;
  margin-bottom: .5rem;
}

.project-banner p {
  opacity: .88;
  font-size: .92rem;
  max-width: 520px;
}

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

/* ===== DOWNLOAD CARD ===== */
.download-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--nla-forest);
  border-radius: var(--r-md);
  padding: .9rem 1.2rem;
  margin: 1.2rem 0;
  box-shadow: var(--shadow-sm);
}

.download-card .dc-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--nla-green-100);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--nla-forest);
}

.download-card .dc-body {
  flex: 1;
  min-width: 0;
}

.download-card .dc-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--nla-forest);
  margin-bottom: .2rem;
}

.download-card .dc-desc {
  font-size: .78rem;
  color: var(--nla-gray);
  line-height: 1.4;
}

.download-card .dc-links {
  display: flex;
  gap: .5rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.dc-btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .75rem;
  font-weight: 600;
  font-family: var(--font-sans);
  padding: .3rem .75rem;
  border-radius: var(--r-sm);
  text-decoration: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--nla-forest);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}

.dc-btn:hover {
  background: var(--nla-forest);
  color: var(--color-text-inverse);
  text-decoration: none;
}

.dc-btn.pdf {
  border-color: var(--nla-green-700);
  color: var(--nla-green-700);
}

.dc-btn.pdf:hover {
  background: var(--nla-green-700);
  color: var(--color-text-inverse);
}

/* Modifier classes for coloured download cards / dc-icons */
.dc-green {
  border-left-color: var(--nla-green-700);
}

.dc-green .dc-icon {
  background: var(--nla-green-100);
  color: var(--nla-green-700);
}

.dc-accent {
  border-left-color: var(--nla-green);
}

.dc-accent .dc-icon {
  background: var(--nla-green-100);
  color: var(--nla-green);
}

/* Footer */
footer {
  background: var(--nla-forest-700);
  color: rgba(255, 255, 255, .65);
  padding: 3.5rem 2.5rem;
  font-size: .85rem;
  margin-top: 5rem;
  border-top: 3px solid var(--nla-green);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  justify-content: space-between;
  text-align: left;
}

.footer-col {
  flex: 1;
  min-width: 280px;
}

.footer-col p {
  margin-bottom: 0.6rem;
  line-height: 1.6;
}

footer strong {
  color: var(--color-text-inverse);
}

footer a {
  color: rgba(255, 255, 255, .6);
  text-decoration: none;
}

footer a:hover {
  color: var(--color-text-inverse);
  text-decoration: underline;
}

.citation-box {
  background: rgba(0, 0, 0, .15);
  border: 1px solid rgba(255, 255, 255, .12);
  border-left: 3px solid var(--nla-green-500);
  padding: 1.4rem;
  border-radius: var(--r-sm);
  margin-bottom: 1rem;
}

.citation-box-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, .5);
  margin-bottom: 0.8rem;
}

.citation-text {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, .85);
  padding-left: 1.5rem;
  text-indent: -1.5rem;
  margin-bottom: 1rem;
}

.citation-text em {
  color: var(--color-text-inverse);
}

.citation-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-copy {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .3);
  color: rgba(255, 255, 255, .85);
  padding: 0.4rem 0.9rem;
  border-radius: var(--r-sm);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--dur-fast);
  font-family: inherit;
}

.btn-copy:hover {
  background: rgba(255, 255, 255, .15);
  color: #fff;
}

.footer-meta {
  display: flex;
  gap: 0.8rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, .45);
  align-items: center;
  flex-wrap: wrap;
}

.footer-meta a {
  color: rgba(255, 255, 255, .55);
}

/* Anchor offset for fixed topbar */
.anchor {
  display: block;
  height: 76px;
  margin-top: -76px;
  pointer-events: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root {
    --sidebar-w: 250px;
  }

  .hamburger {
    display: flex;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 150;
    transform: translateX(-100%);
    transition: transform var(--dur-med) var(--ease-out);
    padding: calc(var(--topbar-h) + 0.2rem) 0 2rem;
    box-shadow: var(--shadow-lg);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .overlay.open {
    display: block;
  }

  .topbar-brand span {
    display: none;
  }

  .hero {
    padding: 3rem 1.5rem 2.5rem;
  }

  .section {
    padding: 0 1.3rem;
    margin: 2.5rem auto;
  }

  .audience-card {
    width: 100%;
    max-width: 290px;
  }
}