/* ============================================================
   aifortherealworld.de  ·  Marke B
   Design-Tokens 1:1 aus konzept/05-design-sicherheit.md, Abschnitt 1.3.
   Editorial-Magazin trifft Studio-Portfolio: fast monochrom,
   ein praeziser Akzent, Hairlines statt Schatten, viel Weissraum.
   ============================================================ */

:root {
  --bg:        #F7F5F2;  /* kuehles Off-White, Galerie-Wand */
  --surface:   #FFFFFF;
  --ink:       #141414;  /* Editorial-Schwarz, Text und Primaerflaechen */
  --accent:    #D9F24F;  /* elektrisches Limette, nur CTAs und Marker */
  --muted:     #6E6E6E;
  --line:      #E3E0DB;  /* feine Hairlines */

  /* Headline-Schrift laut konzept/05: Fraunces.
     Liegt noch nicht lokal vor, siehe fonts.css. Bis dahin System-Serif,
     damit keine Verbindung nach aussen aufgebaut wird. */
  --font-display: 'Fraunces', 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, 'Times New Roman', serif;
  --font-text: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --radius: 4px;
  --wrap: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

section { padding: 96px 0; }
section + section { border-top: 1px solid var(--line); }

/* ---------- Typografie ---------- */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  line-height: 1.05;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.1;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.25;
}

p { margin: 0 0 16px; }

.eyebrow {
  font-family: var(--font-text);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 20px;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 58ch;
}

.section-intro { max-width: 62ch; margin-bottom: 48px; }

.mark {
  background: linear-gradient(transparent 62%, var(--accent) 62%);
  padding: 0 2px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-text);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  padding: 15px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  transition: background-color .18s ease, color .18s ease;
  cursor: pointer;
}

.btn-primary { background: var(--ink); color: #FFF; }
.btn-primary:hover { background: transparent; color: var(--ink); }

.btn-secondary { background: transparent; color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: #FFF; }

/* auf dunklen Flaechen traegt der Akzent den Haupt-CTA */
.on-ink .btn-primary { background: var(--accent); color: var(--ink); border-color: var(--accent); }
.on-ink .btn-primary:hover { background: transparent; color: var(--accent); }
.on-ink .btn-secondary { color: #FFF; border-color: #FFF; }
.on-ink .btn-secondary:hover { background: #FFF; color: var(--ink); }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

a { color: var(--ink); }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Dunkle Sektion als Rhythmuswechsel ---------- */

.on-ink {
  background: var(--ink);
  color: #FFF;
  border-top: 1px solid var(--ink);
}
.on-ink h2, .on-ink h3 { color: #FFF; }
.on-ink .eyebrow { color: var(--accent); }
.on-ink .lead { color: #C9C9C9; }
.on-ink a { color: var(--accent); }

/* ---------- Hero ---------- */

#hero { padding: 128px 0 104px; }
#hero h1 { max-width: 14ch; }
#hero .lead { margin-top: 24px; }

.hero-claim { display: block; }
.hero-claim .accent-dot { color: var(--accent); }

/* ---------- Problem-Erkennung ---------- */

.problem-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.problem-list li {
  border-bottom: 1px solid var(--line);
  padding: 26px 0 26px 56px;
  position: relative;
  font-size: 1.15rem;
  max-width: 76ch;
}
.problem-list li::before {
  content: counter(list-item, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 30px;
  font-family: var(--font-text);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- Produktregal ---------- */

.regal-reserve {
  margin: 40px 0 0;
  font-size: 0.95rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.card .num {
  font-family: var(--font-text);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 24px;
}

.card h3 { font-size: 1.5rem; }

.card .claim { font-size: 1.05rem; margin-bottom: 20px; }

.card dl { margin: 0 0 24px; font-size: 0.95rem; }
.card dt {
  font-family: var(--font-text);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 16px;
}
.card dd { margin: 4px 0 0; }

.card .price {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}
.card .price strong { font-size: 1.1rem; }

.card .btn { margin-top: 20px; align-self: flex-start; }

/* Flaggschiff invertiert, wie das Cover-Feature eines Magazins */
.card.flagship {
  background: var(--ink);
  color: #FFF;
  border-color: var(--ink);
  grid-column: span 2;
}
.card.flagship h3 { color: #FFF; }
.card.flagship .num { color: var(--accent); }
.card.flagship dt { color: #9A9A9A; }
.card.flagship .price { border-top-color: #3A3A3A; }
.card.flagship .btn {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
}
.card.flagship .btn:hover { background: transparent; color: var(--accent); }

@media (max-width: 719px) {
  .card.flagship { grid-column: span 1; }
}

/* ---------- Vorher / Nachher ---------- */

.ba { border-top: 1px solid var(--line); }
.ba-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.ba-row h3 { grid-column: 1 / -1; margin-bottom: 4px; }
.ba-col .tag {
  font-family: var(--font-text);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}
.ba-col.after .tag { color: var(--ink); }
.ba-col.after p { font-weight: 500; }
.ba-col.before p { color: var(--muted); }

@media (max-width: 719px) {
  .ba-row { grid-template-columns: 1fr; gap: 20px; }
}

/* ---------- Ablauf ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-top: 40px;
}
.step .num {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
  display: block;
  margin-bottom: 16px;
}
.step .num::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin-top: 12px;
}

/* ---------- Vertrauen ---------- */

.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 859px) { .trust-grid { grid-template-columns: 1fr; gap: 32px; } }

.pilot-box {
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 28px;
}
.pilot-box p:last-child { margin-bottom: 0; }

/* ---------- Sicherheit ---------- */

.rules { display: grid; gap: 0; border-top: 1px solid #3A3A3A; }
.rules > div {
  padding: 28px 0;
  border-bottom: 1px solid #3A3A3A;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 32px;
}
.rules h3 { font-size: 1.15rem; margin: 0; }
.rules p { margin: 0; color: #C9C9C9; }
@media (max-width: 859px) { .rules > div { grid-template-columns: 1fr; gap: 10px; } }

/* ---------- FAQ ---------- */

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  padding: 24px 40px 24px 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  list-style: none;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 22px;
  font-family: var(--font-text);
  font-size: 1.4rem;
  color: var(--muted);
}
.faq details[open] summary::after { content: "–"; }
.faq details p { max-width: 72ch; padding-bottom: 24px; margin: 0; color: var(--muted); }

/* ---------- Formular ---------- */

.form-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 720px;
}
.form-box label {
  display: block;
  font-family: var(--font-text);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.form-box textarea {
  width: 100%;
  min-height: 160px;
  font-family: var(--font-text);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  resize: vertical;
}
.form-box textarea:focus { border-color: var(--ink); }
.form-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}
.char-count { font-size: 0.85rem; color: var(--muted); }
.form-note { font-size: 0.9rem; color: var(--muted); margin: 20px 0 0; }

/* ---------- Abschluss ---------- */

#abschluss h2 { max-width: 18ch; }
.pilot-hint { font-size: 0.9rem; color: #9A9A9A; margin-top: 20px; }

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
footer p { margin: 0; }
footer a { color: var(--muted); }

/* ---------- Rechtsseiten ---------- */

.legal-wrap { max-width: 680px; margin: 0 auto; padding: 80px 24px; }
.legal-wrap h1 { font-size: 2.4rem; margin-bottom: 24px; }
.legal-wrap h2 { font-size: 1.35rem; margin-top: 40px; }
.legal-wrap dt { font-weight: 600; margin-top: 16px; }
.legal-wrap dd { margin: 0; color: var(--muted); }
.legal-wrap .todo {
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 0.9rem;
  margin-top: 32px;
}
.back-link { font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}