/* Säkerkoll Akademi — delad styling för lektionssidor */
:root {
  --bg: #f4efe6; --bg-alt: #ebe4d4; --bg-deep: #e5ddc9;
  --ink: #0e2a47; --ink-soft: #3d5570; --ink-mute: #6b7a8f; --ink-faint: #a8b0bc;
  --line: rgba(14, 42, 71, 0.12); --line-strong: rgba(14, 42, 71, 0.25);
  --paper: #faf6ed; --accent: #c76a4a; --accent-deep: #a85336;
  --safe: #4e7a5e; --safe-deep: #36583f; --warn: #b8935a; --danger: #a85336;
  --serif: 'Fraunces', 'Times New Roman', serif;
  --sans: 'Geist', -apple-system, sans-serif;
  --mono: 'Geist Mono', 'Courier New', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans); background: var(--bg); color: var(--ink);
  font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased;
  overflow-x: hidden; position: relative;
}
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none;
  opacity: 0.35; z-index: 100;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.055 0 0 0 0 0.165 0 0 0 0 0.28 0 0 0 0.15 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
}

.guides {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  max-width: 1280px; margin: 0 auto;
}
.guides::before, .guides::after {
  content: ''; position: absolute; top: 0; bottom: 0;
  width: 1px; background: var(--line);
}
.guides::before { left: 40px; }
.guides::after { right: 40px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
h1 { font-variation-settings: 'opsz' 144; }
h2 { font-variation-settings: 'opsz' 72; }
em { font-style: italic; color: var(--accent); }
a { color: inherit; }

.eyebrow {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-soft);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before {
  content: ''; width: 28px; height: 1px; background: var(--ink-soft);
}
.mono { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 40px; position: relative; z-index: 1; }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 40px; position: relative; z-index: 1; }

/* --- Nav --- */
nav.top {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px) saturate(1.1);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  background: rgba(244, 239, 230, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 18px 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  font-family: var(--serif); font-size: 1.3rem; font-weight: 500;
  display: flex; align-items: center; gap: 10px; text-decoration: none;
}
.logo-mark {
  width: 22px; height: 22px; border: 1.5px solid var(--ink);
  border-radius: 50%; position: relative;
}
.logo-mark::after {
  content: ''; position: absolute; inset: 4px;
  background: var(--ink); border-radius: 50%;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  text-decoration: none; font-size: 0.85rem;
  color: var(--ink-soft); transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); font-weight: 500; }
.nav-toggle {
  display: none; background: transparent; border: none;
  padding: 10px; cursor: pointer; margin: -10px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--ink); margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Nav login button (akademi-pages) --- */
.nav-login {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background 0.2s, color 0.2s;
  margin-left: 22px;
  white-space: nowrap;
}
.nav-login:hover { background: var(--accent-deep); }
.nav-login.logged {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
  padding: 7.5px 16px;
}
.nav-login.logged:hover { background: var(--ink); color: var(--paper); }
.nav-login.logged:hover .nl-dot { background: var(--paper); box-shadow: none; }
.nav-login .nl-dot {
  width: 7px; height: 7px;
  background: var(--safe);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(78, 122, 94, 0.18);
}
.nav-login .nl-pill {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  font-weight: 500;
}
@media (max-width: 820px) {
  .nav-login { margin-left: 0; margin-top: 12px; align-self: stretch; justify-content: center; }
}

/* --- Account strip --- */
.account-strip {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  font-family: var(--mono); font-size: 0.74rem;
  letter-spacing: 0.08em; color: var(--ink-soft);
}
.account-strip .inner {
  max-width: 1200px; margin: 0 auto; padding: 0 40px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
}
.account-strip .left { display: inline-flex; align-items: center; gap: 12px; }
.account-strip .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ink-faint); display: inline-block;
}
.account-strip.logged .dot { background: var(--safe); box-shadow: 0 0 0 3px rgba(78, 122, 94, 0.15); }
.account-strip a {
  color: var(--ink); text-decoration: none;
  border-bottom: 1px solid var(--ink-faint); padding-bottom: 1px;
}
.account-strip a:hover { border-color: var(--ink); }
.account-strip .pill { color: var(--ink); font-weight: 500; letter-spacing: 0.1em; }
.account-strip .progress { font-size: 0.7rem; color: var(--ink-mute); }
@media (max-width: 720px) {
  .account-strip .inner { padding: 0 24px; gap: 10px; }
  .account-strip .progress { display: none; }
}

/* --- Breadcrumb --- */
.crumb { padding: 28px 0 0; }
.crumb-row {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-mute);
}
.crumb-row a { color: var(--ink-soft); text-decoration: none; }
.crumb-row a:hover { color: var(--ink); }
.crumb-row .sep { color: var(--ink-faint); }
.crumb-row .here { color: var(--ink); }

/* --- Lesson hero --- */
.lesson-hero { padding: 50px 0 60px; }
.lesson-hero h1 {
  font-size: clamp(2.2rem, 5.6vw, 4.4rem); line-height: 1.02;
  letter-spacing: -0.03em; max-width: 18ch;
}
.lesson-hero .sub {
  margin-top: 28px; font-size: 1.15rem;
  color: var(--ink-soft); max-width: 54ch;
}

/* --- Track toggle --- */
.track-section { padding: 24px 0 40px; }
.track-card {
  background: var(--paper); border: 1px solid var(--line-strong);
  padding: 26px 30px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px; flex-wrap: wrap;
}
.track-card-label { display: flex; flex-direction: column; gap: 4px; }
.track-card-label .small {
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute);
}
.track-card-label .big {
  font-family: var(--serif); font-style: italic;
  font-size: 1.25rem; color: var(--ink);
}
.track-toggle {
  display: inline-flex; border: 1.5px solid var(--ink);
  border-radius: 999px; overflow: hidden; background: var(--bg);
}
.track-toggle button {
  background: transparent; border: none; padding: 11px 26px;
  font-family: var(--sans); font-size: 0.88rem;
  color: var(--ink); cursor: pointer; font-weight: 500;
  transition: background 0.2s, color 0.2s; letter-spacing: 0.02em;
}
.track-toggle button.on { background: var(--ink); color: var(--paper); }
.track-toggle button:not(.on):hover { background: var(--bg-alt); }

/* --- Track content --- */
.track-pane { display: none; }
.track-pane.on { display: block; }

article.lesson-body { padding: 20px 0 60px; }
article.lesson-body h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-top: 56px; margin-bottom: 20px;
}
article.lesson-body h2:first-child { margin-top: 0; }
article.lesson-body h3 {
  font-size: 1.25rem; font-style: italic;
  margin-top: 36px; margin-bottom: 14px;
}
article.lesson-body p {
  font-size: 1.06rem; color: var(--ink);
  margin-bottom: 18px; max-width: 64ch;
}
article.lesson-body p.lead {
  font-family: var(--serif); font-size: 1.3rem; font-style: italic;
  color: var(--ink-soft); margin-bottom: 30px; line-height: 1.45; max-width: 56ch;
}
article.lesson-body strong { font-weight: 600; color: var(--ink); }
article.lesson-body code {
  font-family: var(--mono); font-size: 0.88em;
  background: var(--bg-alt); padding: 2px 6px;
  border-radius: 2px; letter-spacing: 0.02em;
}
article.lesson-body ul {
  padding-left: 22px; margin-bottom: 18px;
  color: var(--ink-soft); max-width: 64ch;
}
article.lesson-body ul li { margin-bottom: 8px; }

.section-num {
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 8px; display: block;
}

.callout {
  background: var(--paper); border-left: 3px solid var(--accent);
  padding: 22px 26px; margin: 28px 0;
  font-family: var(--serif); font-style: italic;
  font-size: 1.15rem; color: var(--ink);
  line-height: 1.45; max-width: 64ch;
}
.callout.danger { border-color: var(--danger); background: rgba(168, 83, 54, 0.04); }
.callout.safe { border-color: var(--safe); background: rgba(78, 122, 94, 0.06); }
.callout.code {
  font-family: var(--mono); font-style: normal;
  font-size: 1rem; letter-spacing: 0.02em;
}

.warn {
  background: rgba(184, 147, 90, 0.1);
  border-left: 3px solid var(--warn);
  padding: 18px 22px; margin: 24px 0;
  font-size: 0.96rem; color: var(--ink-soft); max-width: 64ch;
}
.warn strong { color: var(--ink); }

/* --- Demo container --- */
.demo {
  background: var(--paper); border: 1px solid var(--line-strong);
  padding: 32px 32px 28px; margin: 36px 0; position: relative;
}
.demo::before {
  content: 'prova själv';
  position: absolute; top: -10px; left: 24px;
  background: var(--bg);
  font-family: var(--mono); font-size: 0.66rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft); padding: 0 10px;
}
.demo-label {
  display: block; font-family: var(--serif); font-style: italic;
  font-size: 1.1rem; margin-bottom: 12px; color: var(--ink);
}
.demo-input {
  width: 100%; border: none;
  border-bottom: 1.5px solid var(--ink);
  background: transparent; font-family: var(--sans);
  font-size: 1.15rem; padding: 10px 0;
  outline: none; color: var(--ink);
}
.demo-input::placeholder {
  color: var(--ink-faint); font-style: italic; font-family: var(--serif);
}
.demo-meta {
  margin-top: 16px;
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.08em; color: var(--ink-mute);
  max-width: 64ch;
}

/* --- Quiz --- */
.quiz-section {
  padding: 40px 0 20px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.quiz-section h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.3rem); margin-bottom: 28px;
}
.q {
  background: var(--paper); border: 1px solid var(--line);
  padding: 26px 28px; margin-bottom: 18px;
}
.q-text {
  font-family: var(--serif); font-size: 1.2rem; font-style: italic;
  margin-bottom: 18px; color: var(--ink);
}
.q-opts { display: flex; flex-direction: column; gap: 10px; }
.q-opt {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 18px;
  border: 1px solid var(--line); background: var(--bg);
  cursor: pointer; transition: border-color 0.2s, background 0.2s;
  text-align: left; font-family: var(--sans); font-size: 0.98rem;
  color: var(--ink); border-radius: 2px; line-height: 1.4;
}
.q-opt:hover { border-color: var(--ink-soft); }
.q-opt .letter {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.1em; color: var(--ink-mute);
  min-width: 18px; margin-top: 3px;
}
.q-opt.right {
  border-color: var(--safe); background: rgba(78, 122, 94, 0.08);
}
.q-opt.right .letter { color: var(--safe-deep); }
.q-opt.wrong {
  border-color: var(--danger); background: rgba(168, 83, 54, 0.08);
}
.q-opt.wrong .letter { color: var(--danger); }
.q-opt.disabled { cursor: default; opacity: 0.6; }
.q-explain {
  margin-top: 14px; padding: 14px 16px;
  background: var(--bg-alt); border-left: 2px solid var(--accent);
  font-size: 0.92rem; color: var(--ink-soft); display: none;
}
.q-explain.show { display: block; }

/* --- Next block --- */
.next-block {
  margin-top: 60px; padding: 38px 36px;
  background: var(--bg-deep); border-top: 2px solid var(--ink);
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap;
}
.next-block .small {
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute);
}
.next-block h3 { font-size: 1.6rem; font-style: italic; margin-top: 4px; }
.next-block.done {
  background: rgba(78, 122, 94, 0.08); border-top-color: var(--safe);
}
.next-block .done-stamp {
  display: none;
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--safe-deep);
  border: 1px dashed var(--safe);
  padding: 4px 9px; margin-bottom: 8px;
  background: rgba(78, 122, 94, 0.05);
  align-self: flex-start;
}
.next-block.done .done-stamp { display: inline-block; }

.btn {
  background: var(--ink); color: var(--paper); border: none;
  padding: 13px 26px; border-radius: 2px;
  font-family: var(--sans); font-size: 0.92rem; font-weight: 500;
  cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background 0.2s, transform 0.15s;
}
.btn:hover { background: var(--accent-deep); }
.btn:active { transform: scale(0.98); }
.btn.disabled { opacity: 0.4; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }
.btn .arrow { display: inline-block; transition: transform 0.2s; }
.btn:hover .arrow { transform: translateX(3px); }

footer {
  padding: 50px 0 40px;
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
}
.foot-row {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
  font-family: var(--mono); font-size: 0.74rem;
  letter-spacing: 0.08em; color: var(--ink-mute);
}
.foot-row a { color: var(--ink-soft); text-decoration: none; }
.foot-row a:hover { color: var(--ink); }

@media (max-width: 820px) {
  .container, .container-narrow { padding: 0 24px; }
  .nav-inner { padding: 16px 24px; }
  .guides { display: none; }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; top: 60px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    flex-direction: column; gap: 0; padding: 0;
    max-height: 0; overflow: hidden;
    transition: max-height 0.3s;
  }
  .nav-links.open { max-height: 500px; padding: 12px 0; }
  .nav-links a { padding: 14px 24px; border-bottom: 1px solid var(--line); width: 100%; }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links a.active { color: var(--accent); }
  .track-card { flex-direction: column; align-items: flex-start; }
  .track-toggle button { padding: 10px 18px; font-size: 0.84rem; }
  .next-block { flex-direction: column; align-items: flex-start; }
  .demo { padding: 24px 22px 22px; }
}