/* EU e-Invoicing Readiness Scorecard — same visual system as einvoicing-kit */
:root {
  --paper: #F7F8FA;
  --alt: #EEF2F7;
  --deep: #16243D;
  --accent: #1D4ED8;
  --accent-dark: #1E40AF;
  --amber: #F2B33D;
  --ink: #1F2A3A;
  --muted: #55627A;
  --line: #DCE3EE;
  --good: #0E7C66;
  --bad: #B42318;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  line-height: 1.65;
}
h1, h2, h3 { line-height: 1.3; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 3px solid var(--amber); outline-offset: 2px;
}
nav.top { background: var(--deep); color: #E8EDF6; padding: 14px 0; }
nav.top .wrap { display: flex; justify-content: space-between; align-items: center; gap: 12px 20px; flex-wrap: wrap; }
.logo { font-size: 19px; font-weight: 800; color: #FFFFFF; text-decoration: none; white-space: nowrap; }
.logo em { color: var(--amber); font-style: normal; }
nav.top .back { color: #C4CFE2; font-size: 14px; }
nav.top .back:hover { color: #FFFFFF; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 46px; background: var(--accent); color: #FFFFFF;
  font-weight: 700; font-size: 16px; font-family: inherit;
  padding: 12px 28px; border-radius: 10px; text-decoration: none;
  border: none; cursor: pointer; transition: background-color 0.18s ease;
}
.btn:hover { background: var(--accent-dark); }
.btn:disabled { background: #9AA7BC; cursor: not-allowed; }
.btn.ghost {
  background: transparent; color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn.ghost:hover { background: #E8EEFA; }
header.hero { padding: clamp(48px, 8vw, 84px) 0 clamp(40px, 6vw, 60px); text-align: center; }
.eyebrow {
  font-size: 13px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
header.hero h1 { font-size: clamp(28px, 4.4vw, 46px); color: var(--deep); margin: 0 auto 18px; max-width: 880px; }
header.hero .lead { font-size: clamp(16px, 2vw, 18px); color: var(--muted); max-width: 780px; margin: 0 auto; }
header.hero .lead b { color: var(--ink); }
section { padding: clamp(44px, 7vw, 72px) 0; }
section.alt { background: var(--alt); }
h2.sec { font-size: clamp(22px, 3vw, 30px); color: var(--deep); margin-bottom: 10px; }
.sec-sub { color: var(--muted); font-size: 16px; max-width: 760px; margin-bottom: 32px; }

/* timeline */
.tl-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .tl-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.tl-card {
  background: #FFFFFF; border: 1px solid var(--line); border-top: 4px solid var(--accent);
  border-radius: 14px; padding: 22px;
}
.tl-card.be { border-top-color: var(--good); }
.tl-card .flag { font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.tl-card h3 { font-size: 17px; color: var(--deep); margin: 4px 0 10px; }
.tl-card ul { list-style: none; }
.tl-card li { font-size: 14px; color: var(--ink); padding: 7px 0; border-bottom: 1px dashed var(--line); }
.tl-card li:last-child { border-bottom: none; }
.tl-card li b { color: var(--deep); }
.tl-card li .live { color: var(--good); font-weight: 700; }
.tl-card sup a { color: var(--accent); text-decoration: none; }
.tl-foot { font-size: 13.5px; color: var(--muted); margin-top: 18px; max-width: 860px; }

/* quiz */
#quiz-form fieldset { border: none; margin: 0 0 26px; }
#quiz-form legend {
  font-weight: 700; font-size: 16.5px; color: var(--deep); margin-bottom: 10px;
}
#quiz-form legend .num { color: var(--accent); margin-right: 6px; }
.opt { display: block; margin-bottom: 8px; cursor: pointer; }
.opt input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.opt span {
  display: block; padding: 12px 16px; border: 1px solid var(--line); border-radius: 10px;
  background: #FFFFFF; font-size: 14.5px; color: var(--ink);
  transition: border-color 0.12s ease, background-color 0.12s ease;
}
.opt:hover span { border-color: var(--accent); }
.opt input:checked + span { border-color: var(--accent); background: #E8EEFA; font-weight: 600; }
.opt input:focus-visible + span { outline: 3px solid var(--amber); outline-offset: 2px; }
.progress-wrap {
  position: sticky; top: 0; z-index: 5; background: var(--paper);
  padding: 10px 0 12px; border-bottom: 1px solid var(--line); margin-bottom: 26px;
}
.progress-label { font-size: 13.5px; color: var(--muted); margin-bottom: 6px; }
.progress-track { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; }
.progress-bar { height: 100%; width: 0; background: var(--accent); border-radius: 999px; transition: width 0.2s ease; }
.quiz-actions { margin-top: 8px; display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.quiz-hint { font-size: 13.5px; color: var(--muted); }

/* result */
#result { display: none; }
.score-card {
  max-width: 720px; margin: 0 auto; background: #FFFFFF; border: 1px solid var(--line);
  border-top: 4px solid var(--accent); border-radius: 16px; padding: clamp(26px, 5vw, 42px);
  text-align: center; box-shadow: 0 8px 28px rgba(22, 36, 61, 0.06);
}
.grade { font-size: clamp(56px, 9vw, 84px); font-weight: 800; color: var(--deep); line-height: 1.05; }
.grade-badge {
  display: inline-block; font-size: 14px; font-weight: 700; letter-spacing: 0.08em;
  padding: 5px 14px; border-radius: 999px; margin-bottom: 8px;
}
.grade-A .grade-badge, .grade-B .grade-badge { background: #EAF4EE; color: var(--good); }
.grade-C .grade-badge { background: #FBF3DC; color: #8A6A10; }
.grade-D .grade-badge, .grade-F .grade-badge { background: #FBEAE8; color: var(--bad); }
.score-num { font-size: 20px; color: var(--muted); margin-bottom: 14px; }
.score-num b { color: var(--deep); font-size: 26px; }
.verdict { font-size: 16px; color: var(--ink); max-width: 560px; margin: 0 auto 24px; }
.subs { display: grid; gap: 12px; grid-template-columns: 1fr; text-align: left; margin-bottom: 24px; }
@media (min-width: 640px) { .subs { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.sub .lbl { display: flex; justify-content: space-between; font-size: 13.5px; font-weight: 700; color: var(--deep); margin-bottom: 5px; }
.sub .track { height: 8px; background: var(--alt); border-radius: 999px; overflow: hidden; }
.sub .fill { height: 100%; border-radius: 999px; background: var(--accent); }
.sub.low .fill { background: var(--bad); }
.deadline-box {
  text-align: left; background: #F2F6FC; border: 1px solid var(--line);
  border-left: 6px solid var(--accent); border-radius: 12px; padding: 18px 20px;
  font-size: 14.5px; color: var(--ink); margin-bottom: 24px;
}
.deadline-box b { color: var(--deep); }
.gaps { text-align: left; margin-bottom: 24px; }
.gaps h3 { font-size: 17px; color: var(--deep); margin-bottom: 12px; }
.gap { border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin-bottom: 10px; background: #FFFFFF; }
.gap .g-num {
  display: inline-block; font-size: 12.5px; font-weight: 700; color: #FFFFFF;
  background: var(--bad); border-radius: 999px; padding: 2px 10px; margin-right: 8px;
}
.gap .g-q { font-weight: 700; color: var(--deep); font-size: 14.5px; }
.gap p { font-size: 14px; color: var(--muted); margin-top: 6px; }
.result-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.copy-note { font-size: 13.5px; color: var(--good); min-height: 20px; margin-top: 10px; }

/* cta */
.cta-grid { display: grid; gap: 18px; grid-template-columns: 1fr; max-width: 880px; margin: 0 auto; }
@media (min-width: 720px) { .cta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.cta-card {
  background: #FFFFFF; border: 1px solid var(--line); border-top: 4px solid var(--accent);
  border-radius: 14px; padding: 26px; display: flex; flex-direction: column; gap: 10px;
}
.cta-card.side { border-top-color: var(--amber); }
.cta-card .k { font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.cta-card.side .k { color: #8A6A10; }
.cta-card h3 { font-size: 18px; color: var(--deep); }
.cta-card p { font-size: 14.5px; color: var(--muted); flex: 1; }
.cta-card .price { font-size: 15px; color: var(--ink); font-weight: 700; }

/* sources + footer */
.sources ol { max-width: 820px; padding-left: 22px; }
.sources li { font-size: 14px; color: var(--muted); margin-bottom: 10px; }
.sources a { color: var(--accent); word-break: break-all; }
.disclaimer {
  max-width: 860px; margin-top: 26px; background: #FFFFFF;
  border: 1px solid var(--line); border-left: 6px solid var(--amber);
  border-radius: 12px; padding: 18px 22px; font-size: 14px; color: var(--ink);
}
footer { background: var(--deep); color: #C4CFE2; padding: 28px 0; font-size: 14px; }
footer a { color: #E8EDF6; }
footer .wrap p + p { margin-top: 8px; }