/* beregnprocent.dk - verdenen er et opgaveark: hvidt papir på en blækblå bordplade, sort tryk,
   brugerens tal og svar i kuglepen-blå, fejl i rettepen-rød, svarfeltet på kvadreret papir. */
@font-face { font-family: "Rokkitt"; src: url("/fonts/rokkitt.woff2") format("woff2"); font-weight: 800; font-style: normal; font-display: swap; }
@font-face { font-family: "Literata"; src: url("/fonts/literata.woff2") format("woff2"); font-weight: 200 900; font-style: normal; font-display: swap; }

:root {
  --bord: #1b2a4a;        /* bordpladen bag arkene */
  --bord-tryk: #e9edf6;   /* tekst på bordet */
  --bord-svag: #b9c3da;
  --papir: #fafaf7;
  --papir-2: #eeede7;     /* et tonetrin i papiret */
  --tryk: #191b22;        /* sort tryk */
  --tryk-svag: #4a4f5c;
  --pen: #1f45c9;         /* kuglepen-blå: brugerens tal, svar og handling */
  --pen-mork: #16349c;
  --rod: #b8302a;         /* rettepen */
  --tern: rgba(31, 69, 201, 0.11);
  --display: "Rokkitt", "Rockwell", Georgia, serif;
  --tekst: "Literata", Georgia, "Times New Roman", serif;
  --small: 0.875rem;
  --body: clamp(1.0625rem, 1.02rem + 0.2vw, 1.1875rem);
  --lead: clamp(1.25rem, 1.08rem + 0.75vw, 1.75rem);
  --head: clamp(1.75rem, 1.3rem + 1.9vw, 2.75rem);
  --mega: clamp(2.6rem, 1.4rem + 5.2vw, 5.75rem);
  --kant: clamp(16px, 4vw, 40px);
  --ind: clamp(20px, 5.5vw, 76px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 16px; }
body { margin: 0; background: var(--bord); color: var(--tryk); font: 400 var(--body)/1.55 var(--tekst); font-optical-sizing: auto; text-rendering: optimizeLegibility; }
::selection { background: var(--pen); color: #fff; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--pen); text-decoration-thickness: 1.5px; text-underline-offset: 0.18em; }
a:hover { color: var(--pen-mork); text-decoration-thickness: 2.5px; }
:focus-visible { outline: 3px solid var(--pen); outline-offset: 3px; }
.top :focus-visible, .bund :focus-visible { outline-color: #fff; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--papir); color: var(--tryk); padding: 10px 14px; z-index: 10; }
.skip:focus { left: 8px; }
.ramme { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: var(--kant); }

/* ---------- Bordet: top ---------- */
.top { color: var(--bord-tryk); background: var(--bord); }
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px 28px; flex-wrap: wrap; padding-block: 18px 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font: 800 1.45rem/1 var(--display); letter-spacing: -0.005em; }
.brand:hover { color: #fff; }
.brand b { color: #9fb4ff; font-weight: 800; }
.logo { width: 38px; height: 38px; flex: none; }
.menu { display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: 1rem; }
.menu a { color: var(--bord-tryk); text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent; }
.menu a:hover { color: #fff; border-bottom-color: var(--bord-svag); }
.menu a[aria-current="page"] { border-bottom-color: #9fb4ff; color: #fff; }

/* ---------- Arkene ---------- */
main { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); padding-bottom: clamp(48px, 7vw, 110px); }
.ark { position: relative; background: var(--papir); padding: clamp(28px, 5vw, 64px) var(--ind); }
h1, h2, h3 { font-family: var(--display); font-weight: 800; line-height: 0.98; letter-spacing: -0.005em; word-spacing: -0.12em; margin: 0; text-wrap: balance; }
h1 { font-size: var(--mega); text-transform: uppercase; max-width: 17ch; }
h2 { font-size: var(--head); }
h3 { font-size: var(--lead); margin-top: 1.6em; }
.intro { font-size: var(--lead); line-height: 1.4; max-width: 46ch; margin: 18px 0 0; text-wrap: pretty; }
p { margin: 0.9em 0 0; }
.lille, .note, .hint { font-size: var(--small); color: var(--tryk-svag); }

/* Hop-liste på forsiden */
.hop { min-width: 0; margin-top: clamp(24px, 3vw, 36px); display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 18px; }
.hop p { margin: 0; font-weight: 600; }
.hop ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.hop a { display: inline-block; padding: 8px 12px; background: var(--papir-2); color: var(--tryk); text-decoration: none; font-size: 0.95rem; transition: background 0.2s, color 0.2s; }
.hop a:hover { background: var(--pen); color: #fff; }

/* ---------- Opgaven: spørgsmålet som en sætning med blanke felter, svarfeltet på kvadreret papir ---------- */
.opgave { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 0 clamp(24px, 4vw, 56px); align-items: stretch; margin-top: clamp(32px, 4vw, 52px); scroll-margin-top: 16px; }
.opgave + .opgave { padding-top: clamp(32px, 4vw, 52px); border-top: 4px dotted var(--papir-2); }
.opgave-navn { font-size: var(--head); }
.spm { font-size: var(--lead); font-weight: 500; line-height: 2.05; margin-top: 14px; max-width: 30ch; text-wrap: pretty; }
.blank { display: inline-flex; align-items: baseline; gap: 2px; white-space: nowrap; }
.blank input, .blank select {
  font: 600 1em/1.2 var(--tekst); color: var(--pen); background: transparent; border: 0; border-bottom: 2.5px solid var(--pen);
  padding: 0 4px 2px; margin: 0 2px; border-radius: 0; font-variant-numeric: tabular-nums; caret-color: var(--pen);
}
.blank input { width: 6.5ch; min-width: 3.2ch; max-width: min(22ch, 78vw); text-align: center; }
@supports (field-sizing: content) { .blank input { width: auto; field-sizing: content; padding-inline: 8px; } }
.blank select { appearance: none; -webkit-appearance: none; padding-right: 22px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%231f45c9' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 4px center; background-size: 12px 8px; }
.blank input:hover, .blank select:hover { background-color: var(--tern); }
.blank input:focus { outline: none; background-color: var(--tern); border-bottom-color: var(--pen-mork); }
.blank input:focus-visible, .blank select:focus-visible { outline: 3px solid var(--pen); outline-offset: 2px; }
.blank input.forkert { color: var(--rod); border-bottom-color: var(--rod); text-decoration: underline wavy var(--rod) 1px; text-underline-offset: 4px; }
.blank-enhed { font-weight: 600; color: var(--pen); }
.hint { max-width: 46ch; }

.svarfelt { background-color: #fff; background-image: linear-gradient(var(--tern) 1.5px, transparent 1.5px), linear-gradient(90deg, var(--tern) 1.5px, transparent 1.5px); background-size: 22px 22px; background-position: -1px -1px; padding: 20px 24px 22px; align-self: start; min-height: 100%; } /* taste-skill-ignore: kvadreret papir/bølgekant, ikke farveovergang */
.svar-titel { margin: 0; font: 800 1.35rem/1 var(--display); }
.svar-tal { margin: 6px 0 0; font: 600 clamp(2.4rem, 1.6rem + 3vw, 3.6rem)/1.05 var(--tekst); color: var(--pen); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; overflow-wrap: anywhere; }
.svar-tal output { color: inherit; }
.enhed-svar { font-size: 0.55em; letter-spacing: 0; }
.svar-tal.ny { animation: skriv 0.42s var(--ease); }
@keyframes skriv { from { opacity: 0.35; transform: translateY(5px); } to { opacity: 1; transform: none; } }
.svar-ord { margin: 4px 0 0; font-weight: 600; color: var(--pen); }
.mellem { margin-top: 14px; }
.mellem-titel { margin: 0; font-size: var(--small); font-weight: 600; color: var(--tryk-svag); }
.regn { margin: 4px 0 0; font-variant-numeric: tabular-nums; line-height: 1.5; overflow-wrap: anywhere; }
.regn b { font-weight: 600; }
.ink { color: var(--pen); }
.note { margin-top: 12px; color: var(--tryk); font-size: 0.95rem; }
.svar-fejl { margin: 10px 0 0; color: var(--rod); font-weight: 600; max-width: 36ch; }
.kopier { margin-top: 14px; font: 600 0.95rem/1 var(--tekst); color: #fff; background: var(--pen); border: 0; padding: 11px 16px; cursor: pointer; transition: background 0.2s, transform 0.15s var(--ease); }
.kopier:hover { background: var(--pen-mork); }
.kopier:active { transform: translateY(1px); }

/* ---------- Tekstark ---------- */
.ark-tekst { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px clamp(28px, 4vw, 64px); }
.ark-tekst.med-billede { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: start; }
.tekst { max-width: 68ch; }
.tekst ul, .tekst ol { padding-left: 1.25em; margin: 0.9em 0 0; }
.tekst li { margin-top: 0.35em; }
.illustration { margin: 0; position: sticky; top: 20px; }
.illustration img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.formel { margin: 1.1em 0 0; padding: 16px 20px; background: var(--papir-2); font: 600 clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem)/1.4 var(--tekst); font-variant-numeric: tabular-nums; overflow-x: auto; }
.formel span { display: block; font: 400 var(--small)/1.4 var(--tekst); color: var(--tryk-svag); margin-top: 4px; }
.eksempel { margin: 1em 0 0; padding: 14px 18px 16px; background: #fff; background-image: linear-gradient(var(--tern) 1.5px, transparent 1.5px), linear-gradient(90deg, var(--tern) 1.5px, transparent 1.5px); background-size: 22px 22px; } /* taste-skill-ignore: kvadreret papir/bølgekant, ikke farveovergang */
.eksempel p:first-child { margin-top: 0; }
.eksempel .regn { color: var(--tryk); }

/* Tabeller: én linje pr. celle, scroll i rammen, fast første kolonne */
.tabel-wrap { overflow-x: auto; margin-top: 1em; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; font-variant-numeric: tabular-nums; min-width: 100%; }
th, td { padding: 9px 14px; text-align: left; white-space: nowrap; }
/* Lange tekster i første kolonne ombrydes (højst 45 % af bredden) */
tbody th[scope="row"] { white-space: normal; min-width: 6.5em; max-width: 45vw; }
@media (min-width: 861px) { tbody th[scope="row"] { max-width: 22rem; } }
th.tal, td.tal { text-align: right; }
th:first-child, td:first-child { text-align: left; position: sticky; left: 0; background: var(--papir); }
thead th { background: var(--papir-2); font-weight: 600; }
thead th:first-child { background: var(--papir-2); }
tbody tr:nth-child(even) td { background: #f4f3ee; }
tbody tr:nth-child(even) td:first-child { background: #f4f3ee; }

/* FAQ */
.ark-faq { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 20px clamp(28px, 4vw, 64px); }
.faq details { padding: 14px 0; }
.faq details + details { border-top: 3px dotted var(--papir-2); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.1rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; padding: 4px 0; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 10px; height: 10px; margin-top: 0.45em; border-right: 2.5px solid var(--pen); border-bottom: 2.5px solid var(--pen); transform: rotate(45deg); transition: transform 0.25s var(--ease); }
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq summary:hover { color: var(--pen); }
.faq-svar p { margin-top: 6px; max-width: 64ch; }

/* Flere beregninger */
.ark-links { background: var(--papir-2); }
.ark-links ul { list-style: none; padding: 0; margin: 18px 0 0; columns: 3 15rem; column-gap: 32px; }
.ark-links li { break-inside: avoid; padding: 5px 0; }
.ark-links a { display: inline-block; padding: 6px 0; text-decoration: none; color: var(--tryk); font-weight: 500; }
.ark-links a:hover { color: var(--pen); text-decoration: underline; }

/* ---------- Bagsiden ---------- */
.bund { padding-bottom: clamp(28px, 4vw, 48px); }
.bagside { background: var(--papir); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 28px clamp(28px, 5vw, 80px); padding: clamp(28px, 5vw, 64px) var(--ind) 24px;
  -webkit-mask: radial-gradient(circle 9px at 50% 0, transparent 98%, #000) 0 0 / 36px 100% repeat-x; mask: radial-gradient(circle 9px at 50% 0, transparent 98%, #000) 0 0 / 36px 100% repeat-x; } /* taste-skill-ignore: kvadreret papir/bølgekant, ikke farveovergang */
.bagside-navn { margin: 0; font: 800 clamp(1.8rem, 1.2rem + 2.4vw, 3rem)/1 var(--display); }
.bagside-navn b { color: var(--pen); }
.bagside-hilsen p:not(.bagside-navn) { max-width: 40ch; }
.bagside-titel { margin: 0; font-weight: 600; }
.bagside-links ul { list-style: none; padding: 0; margin: 10px 0 0; columns: 2 12rem; column-gap: 28px; }
.bagside-links li { padding: 3px 0; break-inside: avoid; font-size: 0.97rem; }
.bagside-links a { display: inline-block; padding: 5px 0; color: var(--tryk); text-decoration-color: rgba(25, 27, 34, 0.3); }
.bagside-links a:hover { color: var(--pen); }
.aftryk { grid-column: 1 / -1; text-align: center; font-size: var(--small); color: var(--tryk-svag); margin: 8px 0 0; }

/* ---------- Telefon og tablet ---------- */
@media (max-width: 860px) {
  .opgave { grid-template-columns: minmax(0, 1fr); }
  .svarfelt { margin-top: 18px; min-height: 0; }
  .ark-tekst.med-billede, .ark-faq, .bagside { grid-template-columns: minmax(0, 1fr); }
  .ark-tekst.med-billede .illustration { order: -1; position: static; }
  .spm { max-width: none; }
}
@media (max-width: 520px) {
  .top-inner { padding-block: 14px 16px; }
  .menu { flex-wrap: nowrap; overflow-x: auto; width: calc(100% + var(--kant)); margin-right: calc(var(--kant) * -1); padding-right: var(--kant); gap: 18px; font-size: 0.95rem; scrollbar-width: none; }
  .menu::-webkit-scrollbar, .hop ul::-webkit-scrollbar { display: none; }
  .menu a { white-space: nowrap; }
  .menu, .hop ul { -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent); mask-image: linear-gradient(90deg, #000 85%, transparent); } /* taste-skill-ignore: fade-kant der viser, at listen kan rulles */
  .intro { font-size: 1.125rem; margin-top: 12px; }
  .hop { margin-top: 18px; }
  .hop p { display: none; }
  .hop ul { min-width: 0; flex-wrap: nowrap; overflow-x: auto; margin-inline: calc(var(--ind) * -1); padding-inline: var(--ind); scrollbar-width: none; }
  .hop a { white-space: nowrap; }
  .spm { line-height: 1.95; }
  .svarfelt { padding: 16px 16px 18px; margin-inline: calc(var(--ind) * -0.5); }
  th, td { padding: 8px 10px; }
}
/* Arkene lægges på bordet, når de kommer ind i billedet (kun hvor browseren kan det; indholdet er synligt uden) */
@supports (animation-timeline: view()) {
  .ark-tekst, .ark-faq, .ark-links, .bagside { animation: laeg-ark linear both; animation-timeline: view(); animation-range: entry 0% entry 35%; }
  .opgave + .opgave { animation: laeg-ark linear both; animation-timeline: view(); animation-range: entry 0% entry 30%; }
}
@keyframes laeg-ark { from { opacity: 0.55; transform: translateY(28px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  body { background: #fff; }
  .top, .bund, .ark-links, .kopier, .hop { display: none; }
  .ark { padding: 0 0 24px; }
}