@font-face {
  font-family: "Atkinson";
  src: url("/static/font.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Atkinson";
  src: url("/static/font-bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Bricolage";
  src: url("/static/display.woff2") format("woff2");
  font-weight: 400 800;
  font-display: swap;
}

/* Palette: clinical light, deep teal and aqua, coral for warnings. */
:root {
  --bg: #f2f7f8;
  --surface: #ffffff;
  --text: #0e2530;
  --muted: #536b76;
  --line: #d8e5ea;
  --ink: #0b3a4a;
  --ink-text: #eaf7f9;
  --ink-muted: #a6c4cd;
  --accent: #0b7480;
  --aqua: #3cc8d8;
  --coral: #e5583a;
  --radius: 18px;
  --shadow: 0 1px 2px rgb(14 37 48 / .05), 0 8px 24px -12px rgb(14 37 48 / .16);
  --shadow-lift: 0 2px 4px rgb(14 37 48 / .06), 0 18px 40px -14px rgb(14 37 48 / .28);
  --display: "Bricolage", "Atkinson", system-ui, sans-serif;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #071a21; --surface: #0d2630; --text: #e5f2f5; --muted: #95b0ba; --line: #1d3a46;
  --ink: #0f4558; --accent: #5fd3e0; --aqua: #5fd3e0; --coral: #ff8a6b;
  --shadow: 0 1px 2px rgb(0 0 0 / .3); --shadow-lift: 0 18px 40px -12px rgb(0 0 0 / .6);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #071a21; --surface: #0d2630; --text: #e5f2f5; --muted: #95b0ba; --line: #1d3a46;
    --ink: #0f4558; --accent: #5fd3e0; --aqua: #5fd3e0; --coral: #ff8a6b;
    --shadow: 0 1px 2px rgb(0 0 0 / .3); --shadow-lift: 0 18px 40px -12px rgb(0 0 0 / .6);
    color-scheme: dark;
  }
}

.c-rekenen { --c: #0b7480; --cs: #d9f1f3; }
.c-gids    { --c: #2f5fb3; --cs: #e0e9f8; }
:root[data-theme="dark"] .c-rekenen { --c: #5fd3e0; --cs: #0f3540; }
:root[data-theme="dark"] .c-gids    { --c: #8fb2f0; --cs: #172a4a; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .c-rekenen { --c: #5fd3e0; --cs: #0f3540; }
  :root:not([data-theme="light"]) .c-gids    { --c: #8fb2f0; --cs: #172a4a; }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17.5px/1.65 "Atkinson", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  word-spacing: .06em;
}
a { color: var(--accent); text-underline-offset: 3px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
[hidden] { display: none !important; }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; letter-spacing: -.02em; color: var(--text); text-decoration: none; }
.top nav { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.top nav a { color: var(--muted); text-decoration: none; font-size: .93rem; font-weight: 600; padding: 6px 12px; border-radius: 999px; white-space: nowrap; }
.top nav a:hover { color: var(--text); background: var(--surface); }
.top .right { display: flex; align-items: center; gap: 8px; }
.theme-toggle {
  display: grid; place-items: center; width: 40px; height: 40px; padding: 0; cursor: pointer;
  color: var(--muted); background: transparent; border: 1.5px solid var(--line); border-radius: 12px;
  transition: color .15s, border-color .15s, background .15s;
}
.theme-toggle:hover { color: var(--text); border-color: var(--muted); background: var(--surface); }
.theme-toggle svg { width: 20px; height: 20px; }
/* Show the moon in light mode, the sun in dark mode. */
.theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: block; }
:root[data-theme="dark"] .theme-toggle .moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .moon { display: none; }
}
@media (max-width: 720px) { .top nav { display: none; } }

main { padding-top: 8px; padding-bottom: 64px; }
h1, h2, h3 { letter-spacing: -.025em; line-height: 1.15; }
h2 { font-size: 1.45rem; margin: 40px 0 14px; }

/* Home hero */
.hero {
  position: relative; overflow: hidden;
  margin: 20px 0 8px; padding: clamp(32px, 6vw, 72px) clamp(20px, 5vw, 64px);
  border-radius: 28px; color: #f7f4ec;
  background:
    radial-gradient(600px 300px at 90% 0%, rgb(250 204 21 / .32), transparent 60%),
    radial-gradient(500px 300px at 0% 100%, rgb(16 185 129 / .38), transparent 60%),
    linear-gradient(135deg, #0b1f1a, #0f2f27);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgb(255 255 255 / .09) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to left, #000, transparent 70%);
}
.hero > * { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 14px; font-size: .85rem; font-weight: 600; letter-spacing: .02em; color: #bbf7d0; }
.hero h1 { font-size: clamp(2.4rem, 7vw, 4.4rem); font-weight: 800; margin: 0 0 16px; letter-spacing: -.045em; line-height: 1; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #34d399, #facc15); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: clamp(1.02rem, 2vw, 1.2rem); color: #c9d2de; max-width: 620px; margin: 0 0 28px; }
.search { position: relative; max-width: 560px; }
.search svg { position: absolute; left: 18px; top: 50%; width: 22px; height: 22px; transform: translateY(-50%); color: #a7b1bf; z-index: 1; }
.search input::placeholder { color: #a7b1bf; }
.search input:focus { background: rgb(255 255 255 / .14); border-color: transparent; }
input::placeholder { color: var(--muted); opacity: 1; }
.search input {
  width: 100%; min-height: 60px; padding: 0 20px 0 52px; border: 0; border-radius: 16px;
  font: inherit; font-size: 1.08rem; color: #f7f4ec; caret-color: #3fd0ae; color-scheme: dark;
  background: rgb(255 255 255 / .1); border: 1.5px solid rgb(255 255 255 / .22);
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 30px -10px rgb(0 0 0 / .5);
}
.search input:focus { outline: 3px solid #3fd0ae; outline-offset: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chips a { color: #e4eaf2; text-decoration: none; font-size: .88rem; font-weight: 600; padding: 6px 12px; border-radius: 999px; background: rgb(255 255 255 / .09); border: 1px solid rgb(255 255 255 / .14); }
.chips a:hover { background: rgb(255 255 255 / .18); }

.group h2 { display: flex; align-items: center; gap: 10px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c); }
.noresult { text-align: center; color: var(--muted); padding: 40px 0; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.card {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; text-decoration: none; color: var(--text); box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); border-color: var(--c); }
.card .txt { min-width: 0; hyphens: auto; -webkit-hyphens: auto; overflow-wrap: break-word; }
.card strong { display: block; font-size: 1.04rem; margin: 2px 0 4px; }
.card .txt > span { display: block; color: var(--muted); font-size: .9rem; line-height: 1.5; }
.ico { flex: none; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--cs); color: var(--c); }
.ico svg { width: 24px; height: 24px; }

.why { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 56px; }
.why div { padding: 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.why h3 { margin: 0 0 6px; font-size: 1.08rem; }
.why p { margin: 0; color: var(--muted); font-size: .95rem; }

/* Calculator page header */
.calc-head { padding: 28px 0 22px; }
.crumbs { font-size: .88rem; color: var(--muted); margin-bottom: 14px; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--text); }
.calc-title { display: flex; align-items: center; gap: 16px; }
.calc-title .ico { width: 58px; height: 58px; border-radius: 18px; }
.calc-title .ico svg { width: 30px; height: 30px; }
.calc-title h1 { min-width: 0; hyphens: auto; -webkit-hyphens: auto; overflow-wrap: break-word; }
.calc-head h1 { font-size: clamp(1.8rem, 5vw, 2.9rem); font-weight: 800; margin: 0; letter-spacing: -.04em; }
.calc-head .lead { color: var(--muted); font-size: 1.1rem; margin: 12px 0 0; }

/* Calculator */
.tool {
  background: var(--surface); border: 1px solid var(--line); border-radius: 24px;
  padding: clamp(18px, 3vw, 28px); box-shadow: var(--shadow);
  border-top: 4px solid var(--c);
}
/* Single-section calculators: inputs left, result right. */
@media (min-width: 880px) {
  .tool:not(:has(h2.sub)):has(> .result) { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
  .tool:not(:has(h2.sub)) > .result { margin-top: 0; position: sticky; top: 84px; }
  .tool:not(:has(h2.sub)) .fields { grid-template-columns: 1fr 1fr; }
}
.tool h2.sub { font-size: 1.1rem; margin: 32px 0 14px; }
.tool h2.sub:first-child { margin-top: 0; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; align-content: start; align-items: end; }
.fields > label, .field { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; font-weight: 700; }
/* Label text and its hint ("optioneel") share one line; the field goes below. */
.fields > label:not(.check) { display: grid; grid-template-columns: auto 1fr; column-gap: 6px; row-gap: 6px; align-items: baseline; align-content: end; }
.fields > label:not(.check) > :is(.in, input, select, textarea) { grid-column: 1 / -1; }
.fields > label:not(.check) > small { justify-self: start; }
.field.wide, .fields > label[data-show] { grid-column: 1 / -1; }
.flabel { display: block; }
.fields small { font-weight: 500; color: var(--muted); }
.fields label.check { flex-direction: row; align-items: center; gap: 10px; align-self: end; min-height: 52px; font-weight: 600; cursor: pointer; }

input, select {
  font: inherit; font-weight: 600; font-size: 1.05rem; color: var(--text); background: var(--bg);
  caret-color: var(--c, var(--accent));
  border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px; min-height: 52px; width: 100%;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
input:hover { border-color: color-mix(in srgb, var(--c, var(--accent)) 40%, var(--line)); }
input:focus, select:focus { outline: none; border-color: var(--c, var(--accent)); background: var(--surface); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c, var(--accent)) 18%, transparent); }
textarea {
  font: inherit; font-weight: 600; font-size: 1.05rem; color: var(--text); background: var(--bg);
  border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px; width: 100%; resize: vertical;
  caret-color: var(--c, var(--accent)); font-variant-numeric: tabular-nums;
}
textarea:focus { outline: none; border-color: var(--c, var(--accent)); background: var(--surface); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c, var(--accent)) 18%, transparent); }
.fields > label.wide-label { grid-column: 1 / -1; }
.note { margin: 14px 0 0; font-size: .85rem; color: var(--muted); }
.today-week { grid-column: 1 / -1; margin: 0 0 18px; font-size: 1.15rem; }
.today-week strong { color: var(--c); }
input[type=checkbox] { width: 22px; height: 22px; min-height: 0; accent-color: var(--c); }
input[type=date] { font-variant-numeric: tabular-nums; }

/* Input with unit */
.in { position: relative; display: block; }
.in::after {
  content: attr(data-unit); position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--muted); font-weight: 600; font-size: .95rem; pointer-events: none;
}
.in[data-unit="€"]::after { right: auto; left: 14px; }
.in[data-unit="€"] input { padding-left: 34px; }
.in:not([data-unit="€"]) input { padding-right: 76px; }

/* Segmented control */
.seg { display: flex; flex-wrap: wrap; gap: 6px; padding: 5px; background: var(--bg); border: 1.5px solid var(--line); border-radius: 14px; }
.seg label { flex: 1 1 auto; cursor: pointer; }
.seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg span { display: block; text-align: center; padding: 9px 12px; border-radius: 10px; font-weight: 700; font-size: .93rem; color: var(--muted); transition: background .15s, color .15s; white-space: nowrap; }
.seg label:hover span { color: var(--text); }
.seg input:checked + span { background: var(--surface); color: var(--c); box-shadow: 0 1px 3px rgb(16 24 40 / .14); }
.seg input:focus-visible + span { outline: 2px solid var(--c); }

/* Result panel */
.result {
  margin-top: 20px; padding: 24px; border-radius: 20px; color: var(--ink-text);
  background:
    radial-gradient(400px 200px at 100% 0%, color-mix(in srgb, var(--c) 45%, transparent), transparent 70%),
    var(--ink);
}
.result dl { margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 18px 20px; }
.result .main { order: -1; grid-column: 1 / -1; padding-bottom: 16px; border-bottom: 1px solid rgb(255 255 255 / .12); }
.result dt { font-size: .82rem; font-weight: 600; color: var(--ink-muted); text-transform: uppercase; letter-spacing: .06em; }
.result dd { margin: 4px 0 0; font-weight: 700; font-size: 1.2rem; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.result .main dd { font-size: clamp(2.2rem, 5vw, 3rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.1; color: #fff; }
.pop { animation: pop .35s ease; }
@keyframes pop { 0% { opacity: .4; transform: translateY(3px); } 100% { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .pop { animation: none; } .card { transition: none; } }
.result output { display: inline-block; }

.table-wrap { margin-top: 18px; overflow-x: auto; }
.table-wrap summary { cursor: pointer; font-weight: 700; color: #fff; }
.table-wrap table { color: var(--ink-text); }
.table-wrap th { color: var(--ink-muted); }
.table-wrap th, .table-wrap td { border-color: rgb(255 255 255 / .12); }

/* Percentages: sentence rows */
.rows { display: flex; flex-direction: column; }
.row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.row:first-child { padding-top: 4px; }
.row:last-child { border-bottom: 0; padding-bottom: 4px; }
.row label { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-weight: 600; }
.row input { width: 110px; text-align: center; }
.row output { font-weight: 800; font-size: 1.35rem; color: var(--c); font-variant-numeric: tabular-nums; padding: 6px 14px; background: var(--cs); border-radius: 12px; }

/* BMI scale */
.scale { position: relative; height: 12px; margin: 22px 0 6px; }
.scale span { position: absolute; inset: 0; border-radius: 6px;
  background: linear-gradient(90deg, #60a5fa 0 14%, #22c55e 14% 40%, #f59e0b 40% 60%, #ef4444 60% 100%); }
.scale i { position: absolute; top: -6px; width: 6px; height: 24px; margin-left: -3px; background: #fff; border-radius: 3px; box-shadow: 0 0 0 2px var(--ink); transition: left .3s ease; }

.share { display: flex; justify-content: flex-end; margin-top: 12px; }
.share button {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px;
  font: inherit; font-weight: 700; font-size: .93rem; color: var(--c); cursor: pointer;
  background: var(--surface); border: 1.5px solid var(--line); border-radius: 999px;
  transition: border-color .15s, background .15s;
}
.share button:hover { border-color: var(--c); background: var(--cs); }
.share button svg { width: 18px; height: 18px; }

/* Article */
.prose { max-width: 720px; margin-top: 16px; }
.prose h2 { margin-top: 44px; }
.prose p, .prose li { color: color-mix(in srgb, var(--text) 88%, var(--muted)); }
.prose li { margin: 4px 0; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; margin: 14px 0; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; }
td { font-variant-numeric: tabular-nums; }
.prose table { background: var(--surface); border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); }
.faq { display: flex; flex-direction: column; gap: 10px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 4px 18px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 12px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.3rem; line-height: 1; color: var(--muted); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 0 0 14px; }
.related { margin-top: 56px; }

/* Back to top */
.to-top {
  position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); z-index: 20;
  display: grid; place-items: center; width: 48px; height: 48px; padding: 0; cursor: pointer;
  color: var(--text); background: var(--surface); border: 1.5px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow-lift); transition: opacity .2s, transform .2s, border-color .15s;
}
.to-top:hover { border-color: var(--accent); color: var(--accent); }
.to-top svg { width: 22px; height: 22px; }
.to-top[hidden] { display: grid !important; opacity: 0; transform: translateY(12px); pointer-events: none; }
@media (prefers-reduced-motion: reduce) { .to-top { transition: none; } }

/* Footer */
.bottom { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; padding: 40px 0 28px; }
.bottom a { color: var(--muted); text-decoration: none; }
.bottom a:hover { color: var(--text); }
.foot-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 24px; margin-bottom: 24px; }
.foot-links { list-style: none; margin: 0; padding: 0; columns: 2 180px; }
.foot-links li { margin: 0 0 6px; }
@media (max-width: 640px) { .foot-grid { grid-template-columns: 1fr; } }

/* ===== Koopeenfiets.eu components ===== */
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 22px; border-radius: 14px; font-weight: 800; font-size: 1.02rem;
  text-decoration: none; color: #fff; background: #059669; border: 0; box-shadow: 0 10px 24px -10px rgb(5 150 105 / .7); }
.btn:hover { background: #047857; }
.btn svg { width: 22px; height: 22px; }
.btn.ghost { background: rgb(255 255 255 / .1); border: 1.5px solid rgb(255 255 255 / .25); box-shadow: none; }
.btn.ghost:hover { background: rgb(255 255 255 / .18); }
.subhead { display: flex; align-items: center; gap: 10px; font-size: 1.08rem; margin: 26px 0 12px; color: var(--muted); }
.summary-box { padding: 18px 20px; border-radius: 16px; background: color-mix(in srgb, var(--c, var(--accent)) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--c, var(--accent)) 28%, transparent); margin: 6px 0 10px; }
.summary-box p { margin: 0; }
.guide { --c: #2f5fb3; }
.checklist { list-style: none; padding: 0; }
.checklist li { position: relative; padding-left: 30px; margin: 10px 0; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 6px; display: grid; place-items: center;
  font-size: .8rem; font-weight: 800; color: #fff; background: var(--c); }
.updated { color: var(--muted); font-size: .88rem; margin-top: 28px; }
.note { margin: 12px 0 0; font-size: .86rem; color: var(--muted); }
.result-note { margin: 14px 0 0; font-size: .9rem; color: var(--ink-muted); }
.result-note:empty { display: none; }
.quiz { display: flex; flex-direction: column; gap: 22px; }
.quiz .q .flabel { font-weight: 800; margin-bottom: 8px; display: block; }
.quiz .seg span { white-space: normal; }
.quiz-result .why-text { margin: 14px 0 6px; font-size: 1.05rem; color: var(--ink-text); }
.quiz-result .alt { margin: 0 0 18px; color: var(--ink-muted); }
.quiz-hint { margin: 0; color: var(--muted); text-align: center; }
@media (min-width: 880px) { .tool.quiz.quiz.quiz.quiz { display: flex; } }
/* Tables in articles must fit a phone: equal columns that wrap. */
.prose table { table-layout: fixed; }
.prose th, .prose td { overflow-wrap: anywhere; hyphens: auto; -webkit-hyphens: auto; vertical-align: top; }
@media (max-width: 520px) { .prose table { font-size: .86rem; } .prose th, .prose td { padding: 8px 6px; } }
.hero-compact { padding-top: clamp(26px, 4vw, 48px); padding-bottom: clamp(26px, 4vw, 44px); }
.hero-compact h1 { font-size: clamp(2.1rem, 6vw, 3.6rem); }
.hero-compact .lead { margin-bottom: 0; }
#berekenen { margin-top: 18px; }
.table-wrap td small { color: var(--ink-muted); font-weight: 500; }
.prose { hyphens: auto; -webkit-hyphens: auto; overflow-wrap: break-word; }
.checks { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 4px 16px; }
.checks label.check { min-height: 40px; font-weight: 600; }
.checks small { color: var(--muted); font-weight: 500; margin-left: 4px; }

dl.terms dt { font-weight: 700; margin-top: 18px; scroll-margin-top: 80px; }
dl.terms dd { margin: 4px 0 0; }
.source { font-size: .88rem; color: var(--muted); }

/* Guide photos (Wikimedia Commons) */
.guide-photo { margin: 22px 0 0; max-width: 860px; }
.guide-photo img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 22px; box-shadow: var(--shadow-lift); }
.guide-photo figcaption { font-size: .78rem; color: var(--muted); margin-top: 8px; }
.guide-photo figcaption a { color: var(--muted); }
.gthumb { flex: none; width: 64px; height: 64px; border-radius: 50%; overflow: hidden; background: var(--line); }
.gthumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ===== Kooplenzen: optical look ===== */
h1, h2, h3, .logo, .card strong, .result .main dd { font-family: var(--display); }
h1, h2, h3 { font-weight: 700; letter-spacing: -.025em; }
.logo { font-weight: 800; letter-spacing: -.03em; font-size: 1.3rem; }
.logo b { color: var(--accent); font-weight: 800; }
.calc-head h1 { font-weight: 750; letter-spacing: -.035em; }
.card strong { font-weight: 700; letter-spacing: -.01em; }
.prose h2 { font-size: 1.55rem; }
a { color: var(--accent); }
::selection { background: rgb(60 200 216 / .3); }

/* Hero: deep water with an iris behind a contact lens. */
.hero {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 28px;
  color: #eaf7f9; border-radius: 28px;
  background:
    radial-gradient(520px 340px at 85% 50%, rgb(60 200 216 / .25), transparent 70%),
    radial-gradient(460px 300px at 0% 100%, rgb(47 95 179 / .45), transparent 60%),
    linear-gradient(140deg, #072a36, #0b4556);
}
.hero::after { background-image: repeating-radial-gradient(circle at 85% 50%, rgb(255 255 255 / .05) 0 1px, transparent 1px 22px); mask-image: none; }
.eyebrow { color: #8fe6f0; text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700; }
.hero h1 { font-family: var(--display); font-weight: 750; letter-spacing: -.04em; line-height: 1; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #8fe6f0, #3cc8d8 60%, #ffd28a); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { color: #c3dde4; }
.hero-iris { position: relative; width: 230px; height: 230px; margin-right: 16px; border-radius: 50%;
  background:
    radial-gradient(circle, #04141a 0 19%, transparent 19.5%),
    radial-gradient(circle, transparent 0 19%, rgb(255 210 138 / .55) 22%, transparent 34%),
    repeating-conic-gradient(from 0deg, #1d8f9e 0 3deg, #3cc8d8 3deg 5deg, #0e5f6c 5deg 8deg, #6fdae6 8deg 9deg),
    #0e5f6c;
  -webkit-mask: radial-gradient(circle, #000 69%, transparent 70%); mask: radial-gradient(circle, #000 69%, transparent 70%);
  box-shadow: inset 0 0 40px rgb(0 0 0 / .55);
  animation: iris 14s ease-in-out infinite; }
.hero-iris::after { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: inset 0 0 0 8px rgb(4 20 26 / .55), inset 0 0 30px 12px rgb(4 20 26 / .6); }
.hero-iris span { position: absolute; inset: -10px; border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, rgb(255 255 255 / .75) 0 6%, rgb(255 255 255 / .12) 7% 16%, transparent 17%),
              radial-gradient(circle at 64% 70%, rgb(255 255 255 / .25) 0 3%, transparent 4%); z-index: 1; }
.hero-iris { overflow: visible; }
.hero .hero-iris::before { content: ""; position: absolute; inset: -22px; border-radius: 50%; border: 2px solid rgb(143 230 240 / .45);
  box-shadow: 0 0 0 1px rgb(143 230 240 / .12), 0 20px 50px -10px rgb(0 0 0 / .6); background: radial-gradient(circle at 30% 25%, rgb(255 255 255 / .12), transparent 45%); }
@keyframes iris { 0%, 100% { background-size: 100%, 100%, 100%, 100%; } 50% { background-size: 112%, 100%, 100%, 100%; } }
@media (prefers-reduced-motion: reduce) { .hero-iris { animation: none; } }
@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; }
  .hero-iris { position: absolute; right: -60px; top: -50px; width: 180px; height: 180px; opacity: .35; z-index: 0; }
}

/* Result panel: deep teal with lens rings. */
.result {
  position: relative; overflow: hidden;
  background:
    repeating-radial-gradient(circle at 105% -10%, rgb(143 230 240 / .09) 0 1px, transparent 1px 18px),
    radial-gradient(420px 220px at 100% 0%, rgb(60 200 216 / .25), transparent 70%),
    var(--ink);
}
.result > * { position: relative; }
.result dt { color: #8fe6f0; }
.result .main dd { font-weight: 750; letter-spacing: -.03em; color: #fff; }
.result-title { margin: 0 0 8px; font-family: var(--display); font-weight: 700; font-size: 1.15rem; color: #fff; }
.explain { margin: 0; padding-left: 20px; color: var(--ink-text); }
.explain li { margin: 8px 0; line-height: 1.5; }
.explain a, .why-text a { color: #8fe6f0; }
.why-text p { margin: 10px 0 0; color: var(--ink-text); }
.quiz-q { display: flex; flex-direction: column; gap: 16px; }
.quiz-q .seg span { white-space: normal; }
.quiz-hint { color: var(--muted); margin: 16px 0 0; }
.tool:has(.quiz-q) { display: block !important; }
.tool:has(.quiz-q) .result { margin-top: 20px; position: static; }

.tool { border-top: 0; position: relative; }
.tool::before { content: ""; position: absolute; left: 24px; right: 24px; top: 0; height: 3px; border-radius: 0 0 3px 3px; background: linear-gradient(90deg, var(--accent), var(--aqua)); }
.ico { border-radius: 50%; }
.summary-box { border-left: 4px solid var(--c, var(--accent)); }
.summary-box.warn { --c: var(--coral); background: color-mix(in srgb, var(--coral) 10%, transparent); border-color: color-mix(in srgb, var(--coral) 40%, transparent); border-left-color: var(--coral); }
.alert-strip { display: flex; gap: 14px; align-items: center; margin: 28px 0 0; padding: 14px 18px; border-radius: 16px;
  background: color-mix(in srgb, var(--coral) 9%, var(--surface)); border: 1px solid color-mix(in srgb, var(--coral) 35%, transparent); }
.alert-strip .ico { flex: none; width: 40px; height: 40px; color: var(--coral); background: color-mix(in srgb, var(--coral) 14%, transparent); }
.alert-strip p { margin: 0; }
.btn { background: var(--accent); box-shadow: none; }