/* ==========================================================================
   Zeugnisse für Waldorfschulen — Landingpage
   Design-Richtung: 1b — Klar & modern (SaaS), überarbeitet
   ========================================================================== */

/* Selbst gehostete Schriften (kein Google-Fonts-CDN, DSGVO-konform) */
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-sans-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/ibm-plex-sans-500.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/ibm-plex-sans-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/space-grotesk-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/space-grotesk-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/space-grotesk-700.woff2') format('woff2');
}

:root {
  --color-primary: #1f8e77;
  --color-primary-dark: #186f5d;
  --color-primary-light: #e6f2ee;
  --color-dark: #0f1a16;
  --color-dark-2: #16241f;
  --color-text: #4a5a54;
  --color-text-light: #6d7d77;
  --color-heading: #0f1a16;
  --color-bg: #f4f7f5;
  --color-bg-alt: #fff;
  --color-border: #e3e9e6;
  --color-accent-light: #57c9ac;
  --color-amber: #d68a2e;

  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;

  --max-width: 1180px;
  --radius: 14px;
  --radius-lg: 18px;
  --shadow-lg: 0 30px 70px -20px rgba(15, 26, 22, .3);
  --shadow-md: 0 14px 40px -14px rgba(15, 26, 22, .18);

  /* Flächen-Farben (für den Dark-Mode auf Variablen umgestellt) */
  --surface: #fff;          /* Karten, Navbar, Formulare, Footer */
  --surface-2: #eef1ef;     /* leicht abgesetzt (Mockup-Leiste) */
  --surface-inset: var(--color-bg); /* Formularfelder */
  --nav-bg: rgba(255,255,255,.85);

  --fs: 1;                  /* Schriftgrößen-Faktor (A11y-Menü) */
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg-alt);
  font-size: calc((16px) * var(--fs));
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  margin: 0;
  line-height: 1.13;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

.eyebrow {
  display: inline-block;
  font-size: calc((13px) * var(--fs));
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.eyebrow--light { color: var(--color-accent-light); }

.section-head {
  max-width: 36em;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head h2 {
  font-size: calc((clamp(28px, 4vw, 36px)) * var(--fs));
  letter-spacing: -.02em;
  margin: 12px 0 0;
}
.section-head p {
  font-size: calc((17px) * var(--fs));
  margin: 14px 0 0;
}

section { padding: 84px 0; position: relative; }

.section--alt { background: var(--color-bg); }
.section--dark { background: var(--color-dark); color: #cad8d1; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--border-top { border-top: 1px solid var(--color-border); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: calc((15.5px) * var(--fs));
  padding: 13px 24px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .16s ease, border-color .16s ease, transform .16s ease, color .16s ease, box-shadow .16s ease;
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(31, 142, 119, .7);
}
.btn--primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 12px 26px -8px rgba(31, 142, 119, .8); }
.btn--ghost {
  background: #fff;
  color: var(--color-heading);
  border-color: var(--color-border);
}
.btn--ghost:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.btn--on-dark { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.28); }
.btn--on-dark:hover { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.5); }
.btn--block { width: 100%; }
.btn--lg { padding: 15px 28px; font-size: calc((16.5px) * var(--fs)); }
.btn svg { width: 18px; height: 18px; }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 14px 0;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__mark {
  height: 36px;
  width: auto;
  flex: none;
  display: block;
}
.brand__name {
  font-family: var(--font-heading);
  font-weight: 600; font-size: calc((17.5px) * var(--fs));
  color: var(--color-heading);
  letter-spacing: -.01em;
}
.nav-links {
  display: flex; align-items: center; gap: 30px;
  list-style: none; margin: 0; padding: 0;
}
.nav-links a:not(.btn) {
  text-decoration: none; color: var(--color-text);
  font-size: calc((15px) * var(--fs)); font-weight: 500;
  transition: color .16s ease;
}
.nav-links a:not(.btn):hover { color: var(--color-primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-heading); margin: 5px 0; transition: .2s ease; }

/* ---------- Browser mockup (wiederverwendbar) ---------- */
.mockup {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(15,26,22,.1);
  background: #fff;
  box-shadow: var(--shadow-md);
}
.mockup__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  background: #eef1ef;
  border-bottom: 1px solid var(--color-border);
}
.mockup__dots { display: flex; gap: 6px; flex: none; }
.mockup__dots i { width: 11px; height: 11px; border-radius: 99px; background: #cfd8d3; display: block; }
.mockup__dots i:nth-child(1) { background: #f0a89c; }
.mockup__dots i:nth-child(2) { background: #f2ce8f; }
.mockup__dots i:nth-child(3) { background: #a9d8b0; }
.mockup__url {
  flex: 1;
  text-align: center;
  font: 500 12px/1 ui-monospace, Menlo, monospace;
  color: #8a978f;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 7px;
  padding: 7px 12px;
  max-width: 320px;
  margin: 0 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mockup__screen { display: block; width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  text-align: center;
  padding: 72px 0 40px;
  overflow: hidden;
  background:
    radial-gradient(60% 55% at 50% -8%, #d7efe6 0%, rgba(215,239,230,0) 60%),
    radial-gradient(45% 40% at 88% 8%, #e9f0d9 0%, rgba(233,240,217,0) 55%),
    linear-gradient(180deg, #fff 40%, var(--color-bg) 100%);
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: calc((13px) * var(--fs)); font-weight: 600;
  letter-spacing: .02em;
  color: var(--color-primary-dark);
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(31,142,119,.22);
  padding: 7px 14px 7px 10px;
  border-radius: 99px;
  box-shadow: 0 4px 14px -8px rgba(31,142,119,.6);
}
.hero__badge b {
  background: var(--color-primary);
  color: #fff;
  font-size: calc((11px) * var(--fs));
  letter-spacing: .04em;
  padding: 2px 8px;
  border-radius: 99px;
}
.hero h1 {
  font-size: calc((clamp(34px, 5.2vw, 56px)) * var(--fs));
  font-weight: 700;
  letter-spacing: -.028em;
  margin: 22px auto 18px;
  max-width: 15em;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--color-primary) 0%, #34ad8f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub {
  font-size: calc((clamp(17px, 2.1vw, 20px)) * var(--fs));
  color: var(--color-text);
  max-width: 37em;
  margin: 0 auto 30px;
}
.hero__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero__demo-note { margin: 16px 0 0; font-size: calc((13.5px) * var(--fs)); color: var(--color-text-light); }
.hero__demo-note code {
  background: rgba(255,255,255,.7); border: 1px solid var(--color-border);
  border-radius: 5px; padding: 1px 6px; font-size: calc((12.5px) * var(--fs));
}

.hero__stage { position: relative; margin: 54px auto 0; max-width: 980px; }
.hero__frame { position: relative; z-index: 2; box-shadow: var(--shadow-lg); }
.hero__frame .mockup__screen { animation: floaty 7s ease-in-out infinite; }

/* schwebende Info-Chips um den Hero-Screenshot */
.hero__chip {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 11px 15px;
  box-shadow: var(--shadow-md);
  font-size: calc((13.5px) * var(--fs));
  font-weight: 500;
  color: var(--color-heading);
  animation: floaty 6s ease-in-out infinite;
}
.hero__chip .dot { width: 9px; height: 9px; border-radius: 99px; flex: none; }
.hero__chip .dot--green { background: var(--color-primary); }
.hero__chip .dot--amber { background: var(--color-amber); }
.hero__chip--tl { top: 12%; left: -26px; animation-delay: -2s; }
.hero__chip--br { bottom: 16%; right: -26px; animation-delay: -4s; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* Trust-Leiste unter dem Hero */
.hero__trust {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 40px auto 0;
  max-width: 760px;
}
.hero__trust span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: calc((14.5px) * var(--fs));
  font-weight: 500;
  color: var(--color-text);
}
.hero__trust svg { width: 18px; height: 18px; color: var(--color-primary); flex: none; }

/* ---------- Problem cards ---------- */
.problems { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.problem-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.problem-card__icon {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  font-size: calc((22px) * var(--fs));
  background: #fbeee2;
  border-radius: 11px;
  margin-bottom: 15px;
}
.problem-card h3 { font-size: calc((18px) * var(--fs)); margin-bottom: 6px; }
.problem-card p { font-size: calc((14.5px) * var(--fs)); margin: 0; }

/* ---------- Film / Demo-Sektion ---------- */
.film-section {
  background:
    radial-gradient(50% 60% at 50% 0%, #17342c 0%, rgba(23,52,44,0) 70%),
    var(--color-dark);
  color: #cad8d1;
}
.film-section .section-head h2 { color: #fff; }
.film-section .section-head p { color: #9db0a8; }
.film { max-width: 940px; margin: 0 auto; }

/* Perspektiven-Tabs */
.film__tabs { display: flex; gap: 8px; justify-content: center; margin-bottom: 24px; flex-wrap: wrap; }
.film__tab {
  font-family: var(--font-heading); font-weight: 600; font-size: calc((14px) * var(--fs));
  color: #a9bcb5;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 99px;
  padding: 9px 20px;
  cursor: pointer;
  transition: color .16s ease, background .16s ease, border-color .16s ease;
}
.film__tab:hover { color: #fff; border-color: rgba(255,255,255,.32); }
.film__tab.is-active { color: var(--color-dark); background: #fff; border-color: #fff; }
.film__stage {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: var(--shadow-lg);
  background: #0b1512;
}
.film__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 14px;
  background: #0f201b;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.film__bar .mockup__dots i { background: rgba(255,255,255,.25); }
.film__bar .mockup__dots i:nth-child(1) { background: #f0a89c; }
.film__bar .mockup__dots i:nth-child(2) { background: #f2ce8f; }
.film__bar .mockup__dots i:nth-child(3) { background: #a9d8b0; }
.film__url {
  flex: 1; text-align: center; max-width: 340px; margin: 0 auto;
  font: 500 12px/1 ui-monospace, Menlo, monospace;
  color: #7d8f88;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 7px; padding: 7px 12px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.film__viewport {
  position: relative;
  aspect-ratio: 1440 / 1000;
  background: #0b1512;
}
.film__slide {
  position: absolute; inset: 0;
  opacity: 0;
  z-index: 1;
  transition: opacity .45s ease;
  background: #0b1512;
}
.film__slide img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.film__slide.is-active { opacity: 1; z-index: 2; }

.film__caption {
  position: absolute;
  left: 18px; bottom: 18px; right: 18px;
  z-index: 3;
  display: flex; align-items: center; gap: 12px;
}
.film__caption-inner {
  display: inline-flex; align-items: center; gap: 12px;
  background: rgba(11,21,18,.82);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px;
  padding: 12px 16px;
  max-width: 100%;
}
.film__step-num {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading); font-weight: 700; font-size: calc((14px) * var(--fs));
  display: flex; align-items: center; justify-content: center;
}
.film__step-text { color: #fff; font-size: calc((14.5px) * var(--fs)); font-weight: 500; }
@media (max-width: 640px) { .film__step-text { font-size: calc((13px) * var(--fs)); } }

/* Steuerleiste */
.film__controls {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 4px 0;
}
.film__playpause {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 99px;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.08);
  color: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .16s ease, border-color .16s ease;
}
.film__playpause:hover { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.4); }
.film__playpause svg { width: 18px; height: 18px; }
.film__playpause .icon-pause { display: none; }
.film.is-playing .film__playpause .icon-play { display: none; }
.film.is-playing .film__playpause .icon-pause { display: block; }

.film__track { flex: 1; display: flex; gap: 8px; }
.film__seg {
  flex: 1;
  height: 4px;
  border-radius: 99px;
  background: rgba(255,255,255,.15);
  border: none;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  position: relative;
}
.film__seg-fill {
  position: absolute; inset: 0;
  transform-origin: left center;
  transform: scaleX(0);
  background: var(--color-accent-light);
  border-radius: 99px;
}
.film__seg.is-done .film__seg-fill { transform: scaleX(1); }
.film__seg.is-active .film__seg-fill { transform: scaleX(1); transition: transform linear; }

/* ---------- Feature grid ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-light));
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #cbddd6; }
.feature-card:hover::before { transform: scaleX(1); }
.feature-card__icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.feature-card__icon svg { width: 23px; height: 23px; }
.feature-card h3 { font-size: calc((19px) * var(--fs)); margin: 0 0 7px; }
.feature-card p { font-size: calc((15px) * var(--fs)); margin: 0; }

/* ---------- Detail rows ---------- */
.detail-row { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.detail-row + .detail-row { margin-top: 84px; }
.detail-row__media { position: relative; }
.detail-row__media::after {
  content: '';
  position: absolute; inset: -22px -22px auto auto;
  width: 130px; height: 130px;
  background: radial-gradient(circle, rgba(31,142,119,.16), transparent 70%);
  z-index: -1;
}
.detail-row__text .eyebrow { display: block; margin-bottom: 10px; }
.detail-row__text h3 { font-size: calc((27px) * var(--fs)); letter-spacing: -.01em; margin-bottom: 12px; }
.detail-row__text p { font-size: calc((16px) * var(--fs)); margin: 0 0 18px; }
.detail-row__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: calc((15px) * var(--fs)); }
.detail-row__list li { display: flex; gap: 11px; align-items: flex-start; }
.detail-row__list li svg { width: 20px; height: 20px; color: var(--color-primary); flex: none; margin-top: 1px; }
.detail-row--reverse .detail-row__media { order: 2; }

/* ---------- PDF-Spotlight (neues Feature) ---------- */
.pdf-spotlight {
  background:
    radial-gradient(55% 80% at 82% 20%, #d7efe6 0%, rgba(215,239,230,0) 60%),
    linear-gradient(180deg, #eef7f3 0%, #f4f7f5 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.pdf-spotlight__grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 54px; align-items: center; }
.pdf-spotlight__eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.pdf-spotlight__badge {
  font-family: var(--font-heading); font-weight: 700; font-size: calc((12px) * var(--fs)); letter-spacing: .06em;
  color: #fff; background: var(--color-primary);
  padding: 4px 11px; border-radius: 99px;
  box-shadow: 0 6px 14px -6px rgba(31,142,119,.8);
}
.pdf-spotlight h2 { font-size: calc((clamp(28px, 3.6vw, 36px)) * var(--fs)); letter-spacing: -.02em; margin: 0 0 14px; }
.pdf-spotlight__lead { font-size: calc((17px) * var(--fs)); margin: 0 0 22px; max-width: 32em; }
.pdf-spotlight__chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 28px; }
.pdf-spotlight__chips span {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: calc((14px) * var(--fs)); font-weight: 500; color: var(--color-heading);
  background: #fff; border: 1px solid var(--color-border);
  border-radius: 99px; padding: 8px 15px;
}
.pdf-spotlight__chips svg { width: 16px; height: 16px; color: var(--color-primary); flex: none; }
.pdf-spotlight__media { position: relative; }
.pdf-spotlight__media .mockup { box-shadow: var(--shadow-lg); }

/* ---------- Rollen ---------- */
.roles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 44px; }
.role-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--role-color, var(--color-primary));
  border-radius: var(--radius);
  padding: 26px;
}
.role-card--admin { --role-color: #2f6fed; --role-bg: #e9f0fe; }
.role-card--lehrer { --role-color: #1f8e77; --role-bg: #e6f2ee; }
.role-card--korrektur { --role-color: #b0479c; --role-bg: #f8e9f4; }
.role-card__badge {
  display: inline-flex; align-items: center;
  font-family: var(--font-heading); font-weight: 600;
  font-size: calc((12px) * var(--fs)); letter-spacing: .03em;
  color: var(--role-color);
  background: var(--role-bg, var(--color-primary-light));
  border-radius: 99px;
  padding: 5px 12px;
  margin-bottom: 14px;
}
.role-card h3 { font-size: calc((19px) * var(--fs)); margin: 0 0 8px; }
.role-card > p { font-size: calc((15px) * var(--fs)); margin: 0 0 16px; }
.role-card__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; font-size: calc((14px) * var(--fs)); }
.role-card__list li { display: flex; gap: 9px; align-items: flex-start; color: var(--color-text); }
.role-card__list li svg { width: 17px; height: 17px; color: var(--role-color); flex: none; margin-top: 1px; }

.roles-shot { max-width: 900px; margin: 0 auto; }
.roles-shot__caption {
  text-align: center;
  font-size: calc((14px) * var(--fs));
  color: var(--color-text-light);
  margin: 16px 0 0;
}

/* ---------- Waldorf grid ---------- */
.waldorf-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.waldorf-item__icon {
  width: 42px; height: 42px; border-radius: 11px;
  background: rgba(87,201,172,.14);
  color: var(--color-accent-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.waldorf-item__icon svg { width: 21px; height: 21px; }
.waldorf-grid h3 { font-size: calc((17px) * var(--fs)); margin-bottom: 7px; color: #fff; }
.waldorf-grid p { font-size: calc((14.5px) * var(--fs)); color: #9db0a8; margin: 0; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px 24px;
  position: relative;
}
.step-card__num {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: linear-gradient(135deg, #24a488, var(--color-primary-dark));
  color: #fff;
  font-family: var(--font-heading); font-weight: 700; font-size: calc((17px) * var(--fs));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 8px 18px -8px rgba(31,142,119,.8);
}
.step-card h3 { font-size: calc((18px) * var(--fs)); margin: 0 0 6px; }
.step-card p { font-size: calc((14.5px) * var(--fs)); margin: 0; }

/* ---------- Referenzen ---------- */
.reference-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 780px; margin: 0 auto; }
.reference-item {
  display: flex; align-items: center; gap: 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 22px;
  font-family: var(--font-heading); font-weight: 600; font-size: calc((15.5px) * var(--fs));
  color: var(--color-heading);
  transition: transform .16s ease, box-shadow .16s ease;
}
.reference-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.reference-item__mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--color-primary-light); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: calc((15px) * var(--fs)); flex: none;
}

/* ---------- FAQ ---------- */
.faq-list { max-width: 740px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--color-border); border-radius: 13px; padding: 4px 22px; transition: border-color .16s ease; }
.faq-item[open] { border-color: #cbddd6; }
.faq-item summary {
  font-family: var(--font-heading); font-weight: 600; font-size: calc((16.5px) * var(--fs));
  color: var(--color-heading);
  cursor: pointer; list-style: none;
  padding: 17px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: calc((24px) * var(--fs)); font-weight: 400; color: var(--color-primary); flex: none; transition: transform .2s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { font-size: calc((15px) * var(--fs)); margin: 0 0 18px; }

/* ---------- CTA / Kontakt ---------- */
.cta {
  background:
    radial-gradient(60% 100% at 50% 0%, #d7efe6 0%, rgba(215,239,230,0) 70%),
    var(--color-primary-light);
}
.cta__inner { max-width: 640px; margin: 0 auto 34px; text-align: center; }
.cta h2 { font-size: calc((clamp(28px, 4vw, 36px)) * var(--fs)); letter-spacing: -.02em; margin-bottom: 12px; }
.cta__inner p { font-size: calc((17px) * var(--fs)); margin: 0; }

.contact-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  max-width: 680px; margin: 0 auto;
  background: #fff;
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  text-align: left;
}
.contact-form .field-full { grid-column: 1 / 3; }
.contact-form--compact { max-width: 480px; }
.contact-form label { display: block; font-size: calc((13.5px) * var(--fs)); font-weight: 600; color: var(--color-heading); margin-bottom: 6px; }
.contact-form input, .contact-form textarea {
  width: 100%; font-family: inherit; font-size: calc((15px) * var(--fs));
  padding: 12px 14px; border: 1px solid var(--color-border);
  border-radius: 9px; background: var(--color-bg); color: var(--color-heading);
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--color-primary); background: #fff;
  box-shadow: 0 0 0 3px rgba(31,142,119,.14);
}
.contact-form textarea { resize: vertical; min-height: 92px; }
.contact-form .hp { position: absolute; left: -9999px; top: -9999px; }
.form-msg { grid-column: 1 / 3; font-size: calc((14.5px) * var(--fs)); padding: 12px 14px; border-radius: 9px; display: none; }
.form-msg.is-visible { display: block; }
.form-msg--success { background: #e6f2ee; color: var(--color-primary-dark); }
.form-msg--error { background: #fbe9e7; color: #b3261e; }

/* ---------- Footer ---------- */
.site-footer { padding: 32px 0; border-top: 1px solid var(--color-border); background: #fff; }
.site-footer .container { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; font-size: calc((14px) * var(--fs)); color: var(--color-text-light); }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 20px; list-style: none; margin: 0; padding: 0; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--color-primary); }
.footer-links__social { display: inline-flex; align-items: center; gap: 6px; }
.footer-links__social svg { width: 16px; height: 16px; }

/* ---------- Legal ---------- */
.legal { padding: 64px 0 90px; }
.legal .container { max-width: 760px; }
.legal h1 { font-size: calc((32px) * var(--fs)); margin-bottom: 8px; }
.legal .updated { color: var(--color-text-light); font-size: calc((14px) * var(--fs)); margin-bottom: 40px; }
.legal h2 { font-size: calc((20px) * var(--fs)); margin: 36px 0 10px; }
.legal p, .legal li { font-size: calc((15.5px) * var(--fs)); }
.legal ul { padding-left: 20px; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__frame .mockup__screen, .hero__chip { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .detail-row { grid-template-columns: 1fr; gap: 32px; }
  .detail-row--reverse .detail-row__media { order: 0; }
  .problems { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .waldorf-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .roles-grid { grid-template-columns: 1fr; }
  .reference-list { grid-template-columns: 1fr; }
  .pdf-spotlight__grid { grid-template-columns: 1fr; gap: 34px; }
  .pdf-spotlight__media { order: -1; }
  .hero__chip { display: none; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn { display: none; }
  .nav-toggle { display: block; }
  section { padding: 60px 0; }
  .hero { padding: 44px 0 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .waldorf-grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; padding: 22px; }
  .contact-form .field-full, .form-msg { grid-column: 1; }
  .film__controls { gap: 12px; }
  .site-footer .container { flex-direction: column; align-items: flex-start; }

  body.nav-open .navbar .container { flex-wrap: wrap; }
  body.nav-open .navbar nav { flex: 0 0 100%; order: 3; }
  body.nav-open .nav-links {
    display: flex; flex-direction: column;
    background: #fff; border-top: 1px solid var(--color-border);
    padding: 20px 0 4px; margin-top: 16px; gap: 16px;
  }
  body.nav-open .nav-actions {
    flex: 0 0 100%; order: 4;
    display: flex; flex-direction: column; gap: 10px; padding-bottom: 16px;
  }
  body.nav-open .nav-actions .btn { display: inline-flex; }
}

/* ==========================================================================
   Barrierefreiheit: Dark-Mode, Hoher Kontrast, Toolbar
   Additiv angehängt — die helle Standardansicht oben bleibt unverändert.
   Das Theme wird per data-theme auf <html> gesetzt (theme.js, vor dem Paint).
   ========================================================================== */

/* ---------- Dark-Mode: Variablen ---------- */
:root[data-theme="dark"] {
  --color-primary: #33bd9e;
  --color-primary-dark: #279e83;
  --color-primary-light: #123027;
  --color-dark: #0a1310;
  --color-dark-2: #0f1c18;
  --color-text: #a9b8b1;
  --color-text-light: #7f8f88;
  --color-heading: #eef3f0;
  --color-bg: #0e1714;
  --color-bg-alt: #0a110e;
  --color-border: rgba(233, 239, 236, .13);
  --color-accent-light: #5fd3b7;
  --color-amber: #e0a44f;
  --shadow-lg: 0 30px 70px -20px rgba(0, 0, 0, .65);
  --shadow-md: 0 16px 40px -16px rgba(0, 0, 0, .6);
  --surface: #111a16;
  --surface-2: #18241f;
  --surface-inset: #0c1511;
  --nav-bg: rgba(12, 20, 17, .85);
  color-scheme: dark;
}

/* ---------- Dark-Mode: hartcodierte helle Flächen umfärben ---------- */
:root[data-theme="dark"] .navbar { background: var(--nav-bg); }
:root[data-theme="dark"] .btn--ghost { background: var(--surface); }
:root[data-theme="dark"] .btn--primary { color: #f2fffb; }
:root[data-theme="dark"] .mockup { background: var(--surface); border-color: rgba(255, 255, 255, .08); }
:root[data-theme="dark"] .mockup__bar { background: var(--surface-2); }
:root[data-theme="dark"] .mockup__url { background: var(--surface); color: var(--color-text-light); }
:root[data-theme="dark"] .hero {
  background:
    radial-gradient(60% 55% at 50% -8%, rgba(51, 189, 158, .10) 0%, rgba(51, 189, 158, 0) 60%),
    radial-gradient(45% 40% at 88% 8%, rgba(95, 211, 183, .07) 0%, rgba(95, 211, 183, 0) 55%),
    linear-gradient(180deg, var(--color-bg-alt) 40%, var(--color-bg) 100%);
}
:root[data-theme="dark"] .hero__badge {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(51, 189, 158, .3);
  color: var(--color-accent-light);
}
:root[data-theme="dark"] .problem-card,
:root[data-theme="dark"] .feature-card,
:root[data-theme="dark"] .role-card,
:root[data-theme="dark"] .step-card,
:root[data-theme="dark"] .reference-item,
:root[data-theme="dark"] .faq-item,
:root[data-theme="dark"] .pdf-spotlight__chips span,
:root[data-theme="dark"] .hero__chip,
:root[data-theme="dark"] .contact-form,
:root[data-theme="dark"] .site-footer { background: var(--surface); }
:root[data-theme="dark"] .problem-card__icon { background: rgba(224, 164, 79, .14); }
:root[data-theme="dark"] .feature-card:hover { border-color: rgba(51, 189, 158, .4); }
:root[data-theme="dark"] .faq-item[open] { border-color: rgba(51, 189, 158, .4); }
:root[data-theme="dark"] .pdf-spotlight {
  background:
    radial-gradient(55% 80% at 82% 20%, rgba(51, 189, 158, .10) 0%, rgba(51, 189, 158, 0) 60%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}
:root[data-theme="dark"] .cta {
  background:
    radial-gradient(60% 100% at 50% 0%, rgba(51, 189, 158, .12) 0%, rgba(51, 189, 158, 0) 70%),
    var(--color-bg);
}
:root[data-theme="dark"] .contact-form input,
:root[data-theme="dark"] .contact-form textarea { background: var(--surface-inset); }
:root[data-theme="dark"] .contact-form input:focus,
:root[data-theme="dark"] .contact-form textarea:focus { background: var(--surface); }
:root[data-theme="dark"] .form-msg--success { background: rgba(51, 189, 158, .14); color: var(--color-accent-light); }
:root[data-theme="dark"] .form-msg--error { background: rgba(224, 90, 72, .16); color: #f2a99f; }
:root[data-theme="dark"] .role-card--admin { --role-bg: #16233a; --role-color: #7ba6f5; }
:root[data-theme="dark"] .role-card--lehrer { --role-bg: #123027; --role-color: #41c6a5; }
:root[data-theme="dark"] .role-card--korrektur { --role-bg: #33203a; --role-color: #d888c4; }
:root[data-theme="dark"] body.nav-open .nav-links { background: var(--surface); }

/* ---------- Hoher Kontrast (über Theme-Blöcken, damit Override gewinnt) ---------- */
:root[data-contrast="high"] {
  --color-text: #101a16;
  --color-text-light: #25332d;
  --color-heading: #000;
  --color-border: rgba(15, 26, 22, .6);
}
:root[data-contrast="high"] .btn--ghost { border-color: rgba(15, 26, 22, .6); }
:root[data-theme="dark"][data-contrast="high"] {
  --color-text: #f5f9f7;
  --color-text-light: #dbe5e0;
  --color-heading: #fff;
  --color-border: rgba(255, 255, 255, .6);
}

/* ---------- Skip-Link & sr-only ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 70;
  background: var(--color-primary); color: #fff;
  padding: 10px 16px; border-radius: 8px;
  font-size: 14px; font-weight: 600; text-decoration: none;
  transform: translateY(-160%); transition: transform .18s ease;
}
.skip-link:focus { transform: translateY(0); outline: 2px solid var(--color-heading); outline-offset: 2px; }

/* Sichtbarer Fokus für Tastaturbedienung (durchgängig) */
a:focus-visible, button:focus-visible, summary:focus-visible,
input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Toolbar (Theme + Barrierefreiheit), unten rechts ---------- */
.toolbar { position: fixed; right: 18px; bottom: 18px; z-index: 60; display: flex; gap: 10px; }
.tool-wrap { position: relative; }
.tool-btn {
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--surface); color: var(--color-heading);
  cursor: pointer; padding: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; line-height: 1;
  box-shadow: var(--shadow-md);
  transition: border-color .16s ease, color .16s ease, background .16s ease;
}
.tool-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.a11y-panel {
  position: absolute; right: 0; bottom: 56px;
  width: 224px;
  background: var(--surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  padding: 16px;
  display: flex; flex-direction: column; gap: 16px;
}
.a11y-panel[hidden] { display: none; }
.a11y-group { display: flex; flex-direction: column; gap: 8px; }
.a11y-label {
  font: 600 11px/1 ui-monospace, Menlo, monospace;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--color-text-light);
}
.a11y-row { display: flex; gap: 6px; }
.a11y-ctl {
  flex: 1; min-height: 40px; padding: 8px 6px;
  border-radius: 9px; border: 1px solid var(--color-border);
  background: transparent; color: var(--color-heading);
  font-family: var(--font-body); font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.a11y-ctl:hover { border-color: var(--color-primary); color: var(--color-primary); }
.a11y-ctl[aria-pressed="true"] { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

@media print {
  .toolbar, .skip-link { display: none !important; }
}