/* ============================================================
   true-words.xyz — warm, ruhig, barrierearm
   Design-Richtung: soft therapeutic / warm editorial
   ============================================================ */

:root {
  /* Palette — warme Creme, ruhiges Salbei-Teal, weiches Apricot */
  --bg:        oklch(97% 0.013 85);
  --bg-soft:   oklch(99% 0.008 85);
  --surface:   oklch(99.5% 0.006 85);
  --text:      oklch(30% 0.02 65);
  --text-dim:  oklch(46% 0.02 65);
  --line:      oklch(89% 0.015 80);

  --accent:    oklch(52% 0.085 175);   /* Salbei-Teal — Vertrauen, Ruhe */
  --accent-ink: oklch(38% 0.07 175);
  --warm:      oklch(74% 0.11 55);      /* Apricot — Wärme, Herz */
  --warm-soft: oklch(93% 0.05 60);

  /* Typografie */
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;

  --text-hero: clamp(2.1rem, 1.3rem + 4vw, 4.4rem);
  --text-h2:   clamp(1.7rem, 1.2rem + 2vw, 2.8rem);
  --text-lead: clamp(1.05rem, 0.98rem + 0.5vw, 1.3rem);

  --space-sec: clamp(3.5rem, 2rem + 7vw, 8rem);
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px -28px oklch(40% 0.05 70 / 0.45);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  /* weiche, atmosphärische Hintergrund-Lichter */
  background-image:
    radial-gradient(closest-side at 12% 8%, oklch(85% 0.06 175 / 0.5), transparent),
    radial-gradient(closest-side at 92% 18%, oklch(90% 0.06 60 / 0.55), transparent);
  background-repeat: no-repeat;
  background-size: 60vw 60vw, 50vw 50vw;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.08; letter-spacing: -0.01em; }
em { font-style: italic; color: var(--accent-ink); }
a { color: var(--accent-ink); }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #fff; padding: 0.6rem 1rem; border-radius: 0 0 var(--radius-sm) 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

:where(a, button, input):focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ---------- Header ---------- */
.site-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding: 1.1rem clamp(1.1rem, 5vw, 4rem);
  max-width: 1200px; margin-inline: auto;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--text); }
.brand-mark {
  width: 26px; height: 26px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--warm), var(--accent));
  box-shadow: 0 0 0 4px oklch(52% 0.085 175 / 0.12);
}
.brand-name { font-family: var(--serif); font-size: 1.35rem; font-weight: 600; }
.site-head nav { display: flex; align-items: center; gap: clamp(0.8rem, 2vw, 1.8rem); flex-wrap: wrap; }
.site-head nav a { text-decoration: none; color: var(--text-dim); font-weight: 500; }
.site-head nav a:hover { color: var(--accent-ink); }
.nav-cta {
  background: var(--accent); color: #fff !important; padding: 0.5rem 1rem; border-radius: 999px;
}
.nav-cta:hover { background: var(--accent-ink); }

/* ---------- Hero ---------- */
.hero {
  max-width: 920px; margin-inline: auto;
  padding: clamp(2rem, 1rem + 5vw, 5rem) clamp(1.1rem, 5vw, 2rem) var(--space-sec);
  text-align: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-ink); font-weight: 600; margin: 0 0 1rem;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warm); box-shadow: 0 0 10px var(--warm); }
.hero h1 { font-size: var(--text-hero); margin: 0 0 1.2rem; }
.lead { font-size: var(--text-lead); color: var(--text-dim); max-width: 38ch; margin: 0 auto 2.2rem; }

/* ---------- Signup ---------- */
.signup {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.3rem, 4vw, 2rem); max-width: 540px; margin-inline: auto;
  box-shadow: var(--shadow); text-align: left;
}
.signup-label { margin: 0 0 1rem; color: var(--text); font-size: 1.02rem; }
.field label { display: block; font-weight: 600; font-size: 0.95rem; margin-bottom: 0.2rem; }
.hint { display: block; color: var(--text-dim); font-size: 0.82rem; margin-bottom: 0.55rem; }
.input-row { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.input-row input {
  flex: 1 1 220px; min-width: 0;
  padding: 0.8rem 0.95rem; font-size: 1rem; font-family: inherit; color: var(--text);
  background: var(--bg-soft); border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.input-row input::placeholder { color: oklch(62% 0.02 65); }
.input-row button {
  flex: 0 0 auto;
  padding: 0.8rem 1.4rem; font-size: 1rem; font-weight: 600; font-family: inherit;
  color: #fff; background: var(--accent); border: none; border-radius: var(--radius-sm);
  cursor: pointer; transition: background-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.input-row button:hover { background: var(--accent-ink); transform: translateY(-1px); }

/* Validierung erst nach Interaktion (Baseline 2023) — mehrere Indikatoren, nicht nur Farbe */
.error-msg { display: none; color: oklch(50% 0.16 28); font-size: 0.85rem; margin: 0.5rem 0 0; }
.input-row:has(input:user-invalid) input { border-color: oklch(58% 0.16 28); background: oklch(96% 0.03 28); }
.signup:has(input:user-invalid) .error-msg { display: block; }
.input-row:has(input:user-valid) input { border-color: var(--accent); }

.signup-success {
  margin: 1rem 0 0; padding: 0.9rem 1rem; border-radius: var(--radius-sm);
  background: var(--warm-soft); color: var(--accent-ink); font-weight: 500;
}

/* ---------- Meltdown ---------- */
.meltdown { background: linear-gradient(180deg, transparent, oklch(95% 0.02 175 / 0.6)); padding-block: var(--space-sec); }
.meltdown-inner { max-width: 920px; margin-inline: auto; padding-inline: clamp(1.1rem, 5vw, 2rem); text-align: center; }
.meltdown h2 { font-size: var(--text-h2); margin: 0 0 0.6rem; }
.neq { color: var(--warm); font-style: normal; }
.section-lead { color: var(--text-dim); font-size: var(--text-lead); max-width: 44ch; margin: 0 auto 2.4rem; }
.compare { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.1rem; text-align: left; }
.compare-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; }
.compare-card h3 { margin: 0 0 0.5rem; font-size: 1.3rem; }
.compare-card p { margin: 0; color: var(--text-dim); }
.compare-card.highlight { border-color: var(--accent); box-shadow: var(--shadow); }
.compare-card.highlight h3 { color: var(--accent-ink); }
.meltdown-note { margin: 2rem auto 0; max-width: 50ch; color: var(--text); }

/* ---------- Für wen ---------- */
.for-whom { max-width: 1000px; margin-inline: auto; padding: var(--space-sec) clamp(1.1rem, 5vw, 2rem); text-align: center; }
.for-whom h2 { font-size: var(--text-h2); margin: 0 0 2.2rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem; }
.who-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2rem; text-align: left;
}
.who-icon { font-size: 2rem; display: block; margin-bottom: 0.8rem; }
.who-card h3 { margin: 0 0 0.5rem; font-size: 1.4rem; }
.who-card p { margin: 0; color: var(--text-dim); }

/* ---------- Care / Verantwortung ---------- */
.care { padding-block: var(--space-sec); }
.care-inner {
  max-width: 720px; margin-inline: auto; padding: clamp(1.6rem, 4vw, 2.4rem) clamp(1.3rem, 5vw, 2.4rem);
  background: var(--warm-soft); border-radius: var(--radius); text-align: center;
  margin-inline: max(1.1rem, calc((100% - 720px) / 2));
}
.care h2 { font-size: 1.6rem; margin: 0 0 0.8rem; }
.care p { margin: 0; color: var(--accent-ink); }

/* ---------- Footer ---------- */
.site-foot { text-align: center; padding: 3rem 1.5rem 4rem; border-top: 1px solid var(--line); margin-top: 2rem; }
.foot-brand { font-family: var(--serif); font-size: 1.3rem; margin: 0 0 0.3rem; }
.foot-tag { color: var(--text-dim); margin: 0 0 0.8rem; }
.foot-fine { color: var(--text-dim); font-size: 0.82rem; margin: 0; }

/* ---------- Motion ---------- */
.hero, .compare-card, .who-card { animation: rise 0.7s var(--ease) both; }
.compare-card:nth-child(2) { animation-delay: 0.08s; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- DSE-Hinweis beim Formular ---------- */
.dse-hint {
  margin: 0.6rem 0 0;
  font-size: 0.78rem;
  color: var(--text-dim);
}
.dse-hint a { color: var(--accent-ink); }

/* ---------- Formular-Fehlermeldung (Server) ---------- */
.signup-error {
  margin: 1rem 0 0;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: oklch(96% 0.03 28);
  color: oklch(40% 0.14 28);
  font-size: 0.9rem;
}
.signup-error a { color: inherit; font-weight: 600; }

/* ---------- Legal (Datenschutz + Impressum) ---------- */
.legal {
  padding-block: var(--space-sec);
}
.legal-inner {
  max-width: 720px;
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 5vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.legal-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.legal-block summary {
  cursor: pointer;
  padding: 1rem 1.2rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
}
.legal-block summary::before {
  content: "▶";
  font-size: 0.65rem;
  color: var(--accent);
  transition: transform 0.2s var(--ease);
  flex-shrink: 0;
}
.legal-block[open] summary::before { transform: rotate(90deg); }
.legal-content {
  padding: 0 1.2rem 1.2rem;
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.65;
}
.legal-content p { margin: 0.6rem 0; }
.legal-content a { color: var(--accent-ink); }

/* ---------- Footer Legal-Links ---------- */
.foot-legal {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin: 0.5rem 0 1rem;
}
.foot-legal a {
  color: var(--text-dim);
  font-size: 0.82rem;
  text-decoration: none;
}
.foot-legal a:hover { color: var(--accent-ink); text-decoration: underline; }