/* =============================================================
   plagiatspruefer.de, own stylesheet (BEM "ps__" prefix)
   Visual identity: navy + gold, serif headlines, split hero.
   Intentionally distinct from sibling domains' CSS.
   ============================================================= */

:root {
  --ps-navy:    #0E2750;
  --ps-navy-d:  #081A38;
  --ps-navy-l:  #1B3A66;
  --ps-gold:    #C9A24A;
  --ps-gold-d:  #A4822F;
  --ps-cream:   #FAFAF7;
  --ps-paper:   #FFFFFF;
  --ps-ink:     #1B1B1B;
  --ps-muted:   #5A6478;
  --ps-line:    #E7E2D6;
  --ps-line-2:  #D9D2BE;
  --ps-success: #2A8A5F;
  --ps-danger:  #B23A48;
  --ps-info-bg: #F1EEDD;

  --ps-radius:    2px;
  --ps-radius-md: 6px;
  --ps-shadow-sm: 0 1px 2px rgba(14, 39, 80, .06);
  --ps-shadow:    0 6px 20px rgba(14, 39, 80, .08);
  --ps-shadow-l:  0 18px 50px rgba(14, 39, 80, .12);

  --ps-fs-base: 16px;
  --ps-fs-sm:   14px;
  --ps-fs-xs:   12.5px;
  --ps-fs-lg:   18px;
  --ps-fs-h1:   clamp(2rem, 4.4vw, 3.2rem);
  --ps-fs-h2:   clamp(1.65rem, 3vw, 2.25rem);
  --ps-fs-h3:   1.35rem;

  --ps-serif:   'Source Serif 4', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --ps-sans:    Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --ps-container: 1180px;
  --ps-container-narrow: 880px;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/assets/fonts/inter-latin.woff2') format('woff2');
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ps-sans);
  font-size: var(--ps-fs-base);
  line-height: 1.65;
  color: var(--ps-ink);
  background: var(--ps-cream);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--ps-navy) !important; text-decoration: underline; text-decoration-color: var(--ps-line-2); text-underline-offset: 3px; }
a:hover { color: var(--ps-gold-d) !important; text-decoration-color: var(--ps-gold) !important; }
.ps__btn--primary, .ps__btn--primary * { color: var(--ps-cream) !important; }
.ps__btn--gold, .ps__btn--gold * { color: var(--ps-navy) !important; }
.ps__btn--ghost, .ps__btn--ghost * { color: var(--ps-navy) !important; }
.ps__btn--ghost:hover, .ps__btn--ghost:hover * { color: var(--ps-navy) !important; }
.ps__footer a, .ps__footer a:link { color: #C8CFE0 !important; }
.ps__footer a:hover { color: var(--ps-gold) !important; }

h1, h2, h3, h4 {
  font-family: var(--ps-serif);
  font-weight: 700;
  letter-spacing: -.005em;
  line-height: 1.18;
  color: var(--ps-navy);
  margin: 0 0 .5em;
}
h1 { font-size: var(--ps-fs-h1); }
h2 { font-size: var(--ps-fs-h2); }
h3 { font-size: var(--ps-fs-h3); }
p  { margin: 0 0 1em; }
small, .ps__text-sm { font-size: var(--ps-fs-sm); }
.ps__text-muted { color: var(--ps-muted); }
.ps__text-center { text-align: center; }

/* --- Layout containers --- */
.ps__container       { max-width: var(--ps-container);        margin-inline: auto; padding-inline: 24px; }
.ps__container--n    { max-width: var(--ps-container-narrow); margin-inline: auto; padding-inline: 24px; }

.ps__section         { padding: 80px 0; }
.ps__section--tight  { padding: 56px 0; }
.ps__section--alt    { background: var(--ps-paper); border-top: 1px solid var(--ps-line); border-bottom: 1px solid var(--ps-line); }
.ps__section--ink    { background: var(--ps-navy); color: #ECEFF6; }
.ps__section--ink h2, .ps__section--ink h3 { color: #fff; }

/* --- Top notification strip --- */
.ps__topstrip {
  background: var(--ps-navy);
  color: var(--ps-cream);
  text-align: center;
  font-size: var(--ps-fs-sm);
  padding: 9px 16px;
  letter-spacing: .2px;
}
.ps__topstrip code {
  background: var(--ps-gold);
  color: var(--ps-navy);
  padding: 2px 8px;
  font-family: 'Source Code Pro', monospace;
  font-weight: 700;
  border-radius: var(--ps-radius);
}

/* --- Header / nav --- */
.ps__header {
  background: var(--ps-paper);
  border-bottom: 1px solid var(--ps-line);
  position: sticky; top: 0; z-index: 50;
}
.ps__header__row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; padding: 16px 24px; max-width: var(--ps-container); margin-inline: auto;
}
.ps__brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.ps__brand img { height: 36px; width: auto; }
.ps__nav { display: flex; align-items: center; gap: 26px; }
.ps__nav a {
  color: var(--ps-navy); text-decoration: none; font-size: 15px;
  padding: 8px 2px; border-bottom: 2px solid transparent;
  font-weight: 500;
}
.ps__nav a:hover, .ps__nav a.is-active { border-bottom-color: var(--ps-gold); color: var(--ps-navy); }
.ps__nav-cta { margin-left: 8px; }
.ps__menu-toggle {
  display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--ps-navy);
}
@media (max-width: 880px) {
  .ps__nav { display: none; }
  .ps__menu-toggle { display: inline-flex; }
  .ps__nav.is-open {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--ps-paper); border-bottom: 1px solid var(--ps-line); padding: 8px 24px;
  }
  .ps__nav.is-open a { padding: 12px 0; border-bottom: 1px solid var(--ps-line); }
}

/* --- Buttons --- */
.ps__btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--ps-sans); font-weight: 600; font-size: 15px;
  padding: 13px 22px; border: 2px solid transparent; cursor: pointer;
  text-decoration: none; line-height: 1; transition: transform .04s, background .15s, border-color .15s, color .15s;
  border-radius: var(--ps-radius);
  letter-spacing: .15px;
}
.ps__btn:active { transform: translateY(1px); }
.ps__btn--primary {
  background: var(--ps-navy); color: var(--ps-cream); border-color: var(--ps-navy);
}
.ps__btn--primary:hover { background: var(--ps-navy-d); border-color: var(--ps-navy-d); color: var(--ps-cream); }
.ps__btn--ghost {
  background: transparent; color: var(--ps-navy); border-color: var(--ps-gold);
}
.ps__btn--ghost:hover { background: var(--ps-gold); color: var(--ps-navy); }
.ps__btn--gold {
  background: var(--ps-gold); color: var(--ps-navy); border-color: var(--ps-gold);
}
.ps__btn--gold:hover { background: var(--ps-gold-d); border-color: var(--ps-gold-d); color: #fff; }
.ps__btn--sm { padding: 9px 16px; font-size: 14px; }
.ps__btn--lg { padding: 17px 30px; font-size: 17px; }
.ps__btn--block { width: 100%; }
.ps__btn[disabled] { opacity: .55; cursor: not-allowed; }

/* --- Hero: split layout --- */
.ps__hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
  padding: 80px 0 64px;
}
.ps__hero__eyebrow {
  display: inline-block; font-family: var(--ps-sans);
  letter-spacing: 4px; font-size: 11.5px; text-transform: uppercase;
  color: var(--ps-gold-d); font-weight: 700;
  border-top: 1px solid var(--ps-gold);
  padding-top: 8px;
  margin-bottom: 14px;
}
.ps__hero__title { font-size: var(--ps-fs-h1); margin-bottom: 22px; }
.ps__hero__title em { font-style: italic; color: var(--ps-gold-d); font-weight: 700; }
.ps__hero__lede { font-size: 1.1rem; color: var(--ps-muted); margin-bottom: 28px; max-width: 540px; }
.ps__hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.ps__hero__trust {
  display: flex; gap: 22px; flex-wrap: wrap;
  font-size: 13.5px; color: var(--ps-muted);
  border-top: 1px solid var(--ps-line); padding-top: 22px;
}
.ps__hero__trust > span { display: inline-flex; align-items: center; gap: 8px; }
.ps__hero__upload {
  background: var(--ps-paper);
  border: 1px solid var(--ps-line);
  box-shadow: var(--ps-shadow-l);
  padding: 30px 28px 24px;
  border-radius: var(--ps-radius-md);
}
.ps__hero__upload h2 { font-size: 1.35rem; margin-bottom: 6px; }
.ps__hero__upload p.note { color: var(--ps-muted); font-size: 14px; margin-bottom: 18px; }
@media (max-width: 880px) {
  .ps__hero { grid-template-columns: 1fr; padding: 56px 0 32px; gap: 36px; }
}

/* --- Cards / grid --- */
.ps__grid { display: grid; gap: 28px; }
.ps__grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.ps__grid--3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.ps__grid--4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 880px) {
  .ps__grid--2, .ps__grid--3, .ps__grid--4 { grid-template-columns: 1fr; }
}
.ps__card {
  background: var(--ps-paper);
  border: 1px solid var(--ps-line);
  padding: 28px;
  border-radius: var(--ps-radius-md);
  position: relative;
}
.ps__card--ink { background: var(--ps-navy); color: #ECEFF6; border-color: var(--ps-navy); }
.ps__card--ink h3, .ps__card--ink p { color: inherit; }
.ps__card__step {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border: 2px solid var(--ps-gold); color: var(--ps-gold-d);
  font-family: var(--ps-serif); font-weight: 700; font-size: 18px;
  margin-bottom: 14px;
}
.ps__card h3 { margin-bottom: 8px; font-size: 1.2rem; }

/* --- Pricing table --- */
.ps__price {
  display: grid; gap: 0; grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--ps-line);
  background: var(--ps-paper); border-radius: var(--ps-radius-md);
  overflow: hidden;
}
.ps__price__col { padding: 32px 26px; border-right: 1px solid var(--ps-line); position: relative; }
.ps__price__col:last-child { border-right: 0; }
.ps__price__col--feat {
  background: var(--ps-info-bg);
}
.ps__price__col--feat::before {
  content: 'Empfohlen';
  position: absolute; top: 0; right: 0;
  background: var(--ps-gold); color: var(--ps-navy);
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 4px 12px; border-bottom-left-radius: var(--ps-radius-md);
}
.ps__price__name { font-family: var(--ps-serif); font-size: 1.3rem; font-weight: 700; color: var(--ps-navy); margin-bottom: 6px; }
.ps__price__sub  { color: var(--ps-muted); font-size: 14px; margin-bottom: 18px; min-height: 40px; }
.ps__price__num  { font-family: var(--ps-serif); font-size: 2.4rem; color: var(--ps-navy); font-weight: 700; }
.ps__price__unit { color: var(--ps-muted); font-size: 14px; }
.ps__price__features {
  list-style: none; padding: 18px 0 22px; margin: 18px 0 0; border-top: 1px solid var(--ps-line);
  font-size: 14.5px; color: var(--ps-ink);
}
.ps__price__features li { padding: 6px 0 6px 22px; position: relative; }
.ps__price__features li::before {
  content: ''; position: absolute; left: 0; top: 13px; width: 12px; height: 6px;
  border-left: 2px solid var(--ps-gold); border-bottom: 2px solid var(--ps-gold);
  transform: rotate(-45deg);
}
@media (max-width: 880px) {
  .ps__price { grid-template-columns: 1fr; }
  .ps__price__col { border-right: 0; border-bottom: 1px solid var(--ps-line); }
}

/* --- Stats strip --- */
.ps__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-top: 1px solid var(--ps-line); border-bottom: 1px solid var(--ps-line);
  background: var(--ps-paper);
}
.ps__stats__item {
  padding: 28px 24px;
  border-right: 1px solid var(--ps-line);
  text-align: center;
}
.ps__stats__item:last-child { border-right: 0; }
.ps__stats__n {
  display: block; font-family: var(--ps-serif); font-size: 2rem; font-weight: 700; color: var(--ps-navy); line-height: 1.1;
}
.ps__stats__l { display: block; font-size: 13px; color: var(--ps-muted); margin-top: 6px; letter-spacing: .3px; }
@media (max-width: 880px) {
  .ps__stats { grid-template-columns: repeat(2, 1fr); }
  .ps__stats__item { border-bottom: 1px solid var(--ps-line); }
  .ps__stats__item:nth-child(2) { border-right: 0; }
}

/* --- Universitäts-Logo-Reihe --- */
.ps__unis {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--ps-line);
}
.ps__unis__title {
  text-align: center;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ps-muted);
  margin: 0 0 26px;
  font-weight: 600;
}
.ps__unis__row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 28px 36px;
  align-items: center;
  justify-items: center;
}
.ps__unis__row img {
  max-width: 100%;
  max-height: 56px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.72;
  transition: filter .2s, opacity .2s;
}
.ps__unis__row img:hover {
  filter: grayscale(0);
  opacity: 1;
}
@media (max-width: 880px) {
  .ps__unis__row { grid-template-columns: repeat(3, 1fr); gap: 24px 20px; }
  .ps__unis__row img { max-height: 44px; }
}
@media (max-width: 480px) {
  .ps__unis__row { grid-template-columns: repeat(2, 1fr); }
}

/* --- FAQ (details/summary) --- */
.ps__faq details {
  border-top: 1px solid var(--ps-line);
  padding: 18px 0;
}
.ps__faq details:last-child { border-bottom: 1px solid var(--ps-line); }
.ps__faq summary {
  font-family: var(--ps-serif); font-weight: 700; font-size: 1.1rem; color: var(--ps-navy);
  cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; gap: 16px;
}
.ps__faq summary::-webkit-details-marker { display: none; }
.ps__faq summary::after {
  content: '+'; font-family: var(--ps-serif); font-size: 1.4rem; color: var(--ps-gold-d);
  transition: transform .2s;
}
.ps__faq details[open] summary::after { content: '−'; }
.ps__faq details > p { padding-top: 14px; color: var(--ps-ink); }

/* --- Trust strip --- */
.ps__trust {
  display: flex; align-items: center; justify-content: center; gap: 56px; flex-wrap: wrap;
  padding: 32px 0; color: var(--ps-muted); font-size: 13.5px;
}
.ps__trust__brand {
  font-family: var(--ps-serif); font-style: italic; font-size: 1.1rem; color: var(--ps-navy-l);
  opacity: .75;
}

/* --- Footer --- */
.ps__footer { background: var(--ps-navy); color: #C8CFE0; padding: 64px 0 28px; }
.ps__footer h4 { color: #fff; font-family: var(--ps-serif); font-size: 1rem; margin-bottom: 12px; letter-spacing: .3px; }
.ps__footer a { color: #C8CFE0; text-decoration: none; display: block; padding: 4px 0; font-size: 14px; }
.ps__footer a:hover { color: var(--ps-gold); }
.ps__footer__grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 36px; }
.ps__footer__brand p { color: #9CA8C2; font-size: 14px; }
.ps__footer__brand img { height: 38px; width: auto; margin-bottom: 16px; filter: brightness(0) invert(1); }
.ps__footer__bottom {
  border-top: 1px solid #1F3A66; margin-top: 36px; padding-top: 22px;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 13px; color: #8895B5;
}
@media (max-width: 880px) {
  .ps__footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .ps__footer__grid { grid-template-columns: 1fr; }
}

/* --- Content page (legal) --- */
.ps__content { padding: 56px 0 80px; max-width: var(--ps-container-narrow); margin-inline: auto; }
.ps__content h1 { font-size: clamp(1.8rem, 3.6vw, 2.4rem); margin-bottom: 8px; }
.ps__content h2 { font-size: 1.4rem; margin-top: 36px; }
.ps__content h3 { font-size: 1.15rem; margin-top: 28px; }
.ps__content p, .ps__content ul { margin-bottom: 14px; }
.ps__content ul { padding-left: 22px; }
.ps__content ul li { padding: 2px 0; }
.ps__content .ps__lede { font-size: 1.1rem; color: var(--ps-muted); border-left: 3px solid var(--ps-gold); padding-left: 16px; margin: 22px 0 28px; }

/* --- Upload zone (bestellen page) --- */
.ps__funnel-step {
  display: grid; grid-template-columns: 32px 1fr; gap: 14px; align-items: center;
  padding: 16px 0; border-top: 1px solid var(--ps-line);
}
.ps__funnel-step:last-child { border-bottom: 1px solid var(--ps-line); }
.ps__funnel-step .n {
  width: 32px; height: 32px; border: 2px solid var(--ps-line-2); color: var(--ps-muted);
  display: flex; align-items: center; justify-content: center; font-family: var(--ps-serif); font-weight: 700;
}
.ps__funnel-step.is-active .n { background: var(--ps-navy); color: var(--ps-cream); border-color: var(--ps-navy); }
.ps__funnel-step.is-done .n { background: var(--ps-gold); color: var(--ps-navy); border-color: var(--ps-gold); }
.ps__funnel-step .lbl { font-weight: 600; color: var(--ps-navy); }

.ps__drop {
  border: 2px dashed var(--ps-gold);
  background: var(--ps-info-bg);
  padding: 44px 24px;
  text-align: center;
  cursor: pointer;
  border-radius: var(--ps-radius-md);
  transition: border-color .15s, background .15s;
}
.ps__drop:hover, .ps__drop.is-drag { border-color: var(--ps-line-2); background: var(--ps-paper); }
.ps__drop svg { width: 44px; height: 44px; color: var(--ps-gold-d); margin: 0 auto 14px; }
.ps__drop strong { color: var(--ps-navy); }
.ps__drop small { display: block; color: var(--ps-muted); margin-top: 8px; }
.ps__upload-state {
  background: var(--ps-paper);
  border: 1px solid var(--ps-line);
  padding: 22px;
  border-radius: var(--ps-radius-md);
}
.ps__progress { height: 6px; background: var(--ps-line); border-radius: 99px; overflow: hidden; margin: 12px 0; }
.ps__progress > span { display: block; height: 100%; background: var(--ps-gold); width: 0; transition: width .25s; }

.ps__scan-pick {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.ps__scan-pick label {
  display: block; cursor: pointer;
  border: 2px solid var(--ps-line); border-radius: var(--ps-radius-md);
  padding: 18px; background: var(--ps-paper);
  transition: border-color .15s, background .15s;
  position: relative;
}
.ps__scan-pick input[type=radio] { position: absolute; opacity: 0; }
.ps__scan-pick label.is-selected { border-color: var(--ps-gold); background: var(--ps-info-bg); }
.ps__scan-pick .name { font-family: var(--ps-serif); font-weight: 700; color: var(--ps-navy); font-size: 1.05rem; }
.ps__scan-pick .price { display: block; font-size: 14px; color: var(--ps-muted); margin-top: 6px; }
@media (max-width: 720px) { .ps__scan-pick { grid-template-columns: 1fr; } }

.ps__summary {
  background: var(--ps-paper); border: 1px solid var(--ps-line);
  padding: 22px; border-radius: var(--ps-radius-md);
}
.ps__summary .row { display: flex; justify-content: space-between; padding: 6px 0; }
.ps__summary .row + .row { border-top: 1px solid var(--ps-line); }
.ps__summary .row.total { font-weight: 700; color: var(--ps-navy); font-size: 1.2rem; }
.ps__input {
  width: 100%; padding: 12px 14px; border: 1px solid var(--ps-line-2);
  background: var(--ps-paper); border-radius: var(--ps-radius); font-size: 15px; font-family: var(--ps-sans); color: var(--ps-ink);
}
.ps__input:focus { outline: 2px solid var(--ps-gold); outline-offset: 1px; }

/* --- Misc --- */
.ps__pill {
  display: inline-block; padding: 4px 10px; font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase; background: var(--ps-info-bg); color: var(--ps-gold-d);
  font-weight: 700;
}
.ps__hr { border: 0; border-top: 1px solid var(--ps-line); margin: 28px 0; }

/* --- Print: legal pages clean print --- */
@media print { .ps__header, .ps__footer, .ps__topstrip { display: none !important; } body { background: #fff; } }