/* IDO Haus — öffentliche Website (idohaus.de)
 *
 * Eine einzige CSS-Datei, keine Bibliothek, keine externen Schriften: Das hält
 * die Seite schnell (Ladezeit ist ein Rankingfaktor) und macht sie
 * datenschutzfreundlich — es geht kein Request an Dritte, also braucht es auch
 * keinen Cookie-Banner für Schriften.
 *
 * Farben orientieren sich am Produkt (admin.css: --accent #4f8ef7).
 */

:root {
  --ink: #0f1b2a;
  --ink-soft: #46586c;
  --line: #dfe5ec;
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --accent: #2764d6;
  --accent-dark: #1b4899;
  --accent-soft: #e8f0fd;
  --ok: #1a7f52;
  --warn: #b3541e;
  --radius: 12px;
  --wrap: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

img, svg { max-width: 100%; height: auto; }

a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--accent-dark); }

h1, h2, h3 { line-height: 1.2; color: var(--ink); margin: 0 0 0.6em; }
h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); letter-spacing: -0.015em; margin-top: 2.4rem; }
h3 { font-size: 1.2rem; margin-top: 1.6rem; }
p { margin: 0 0 1.1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

/* ---------- Kopfzeile ---------- */
.top {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(180%) blur(6px);
}
.top .wrap { display: flex; align-items: center; gap: 1.5rem; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.15rem;
  color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.brand:hover { color: var(--ink); }
.brand svg { width: 30px; height: 30px; display: block; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 1.4rem; }
.nav-punkte { display: flex; align-items: center; gap: 1.4rem; }
.nav a { color: var(--ink-soft); text-decoration: none; font-size: 1rem; font-weight: 500; }
.nav a:hover { color: var(--accent); }
/* Die aktuelle Seite bekommt Farbe UND einen Balken: Farbe allein unterscheidet
   für Menschen mit Farbsehschwäche nichts. */
.nav a[aria-current] { color: var(--accent); font-weight: 600; position: relative; }
.nav a[aria-current]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -22px;
  height: 3px; border-radius: 3px 3px 0 0; background: var(--accent);
}
.nav a.btn-login { border: 1px solid var(--line); border-radius: 8px;
  padding: 0.45rem 0.9rem; color: var(--accent); font-weight: 600; }
.nav a.btn-login:hover { border-color: var(--accent); background: var(--accent-soft); }
.nav a.btn-login[aria-current]::after { display: none; }

/* Sprungmarke: nur sichtbar, wenn sie den Tastaturfokus hat. */
.zum-inhalt {
  position: absolute; left: 12px; top: -60px; z-index: 40;
  background: var(--accent); color: #fff; padding: 0.7rem 1.1rem;
  border-radius: 0 0 var(--radius) var(--radius); text-decoration: none;
  font-weight: 600; transition: top 0.15s ease;
}
.zum-inhalt:focus { top: 0; color: #fff; }

/* ---------- Menüschalter (Burger) ---------- */
.menue-schalter {
  display: none;                 /* erscheint erst unter 900 px */
  margin-left: auto;
  align-items: center;
  gap: 0.55rem;
  min-height: 44px;              /* Daumengerechte Trefferfläche */
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.menue-schalter:hover { border-color: var(--accent); color: var(--accent); }
.menue-schalter:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Drei Balken aus einem Element: der mittlere ist das Element selbst, die
   beiden äußeren sind ::before und ::after. Beim Öffnen wird daraus ein X. */
.menue-schalter .balken,
.menue-schalter .balken::before,
.menue-schalter .balken::after {
  display: block; width: 22px; height: 2px; border-radius: 2px;
  background: currentColor; transition: transform 0.2s ease, opacity 0.15s ease;
}
.menue-schalter .balken { position: relative; }
.menue-schalter .balken::before,
.menue-schalter .balken::after { content: ""; position: absolute; left: 0; }
.menue-schalter .balken::before { top: -7px; }
.menue-schalter .balken::after { top: 7px; }
.menue-offen .menue-schalter .balken { background: transparent; }
.menue-offen .menue-schalter .balken::before { transform: translateY(7px) rotate(45deg); }
.menue-offen .menue-schalter .balken::after { transform: translateY(-7px) rotate(-45deg); }

@media (prefers-reduced-motion: reduce) {
  .menue-schalter .balken,
  .menue-schalter .balken::before,
  .menue-schalter .balken::after { transition: none; }
}

/* Die Klappmechanik schaltet sich erst ein, wenn menue.js gelaufen ist
   (Klasse menue-bereit). Ohne JavaScript bleibt das Menü sichtbar, statt
   unerreichbar zu sein. */
@media (max-width: 899px) {
  .top .wrap { flex-wrap: wrap; gap: 0.8rem; padding-top: 0.6rem; padding-bottom: 0.6rem; }
  .nav { margin-left: 0; width: 100%; flex-direction: column; align-items: stretch; gap: 0; }
  .nav-punkte { flex-direction: column; align-items: stretch; gap: 0; }
  .nav a {
    padding: 0.85rem 0.2rem;         /* 44 px Trefferhöhe */
    border-top: 1px solid var(--line);
    font-size: 1.05rem;
  }
  .nav a[aria-current]::after { display: none; }
  .nav a[aria-current] { border-left: 3px solid var(--accent); padding-left: 0.7rem; }
  .nav a.btn-login {
    margin: 0.9rem 0 0.4rem; text-align: center; padding: 0.8rem 1rem; border-radius: 10px;
  }
  .menue-bereit .menue-schalter { display: inline-flex; }
  .menue-bereit .nav { display: none; }
  .menue-bereit.menue-offen .nav { display: flex; }
}

/* ---------- Schaltflächen ---------- */
.btn {
  display: inline-block;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  line-height: 1.2;
}
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); color: #fff; }
.btn.ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-row { display: flex; gap: 0.8rem; flex-wrap: wrap; margin: 1.6rem 0; }

/* ---------- Abschnitte ---------- */
section { padding: 3.2rem 0; }
section.tint { background: var(--bg-soft); border-block: 1px solid var(--line); }
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 60ch; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.82rem;
  font-weight: 700; color: var(--accent); margin-bottom: 0.6rem; }

.hero { padding: 3.6rem 0 2.4rem; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: center; }
.hero h1 { margin-bottom: 0.5em; }

.grid { display: grid; gap: 1.5rem; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  background: #fff;
}
.card h3 { margin-top: 0; }
.card .icon { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft);
  color: var(--accent-dark); display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.9rem; }
.card .icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card p:last-child { margin-bottom: 0; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 2rem 0 0; display: grid;
  gap: 1.5rem; grid-template-columns: repeat(3, 1fr); }
.steps li { counter-increment: step; border-top: 3px solid var(--accent); padding-top: 1rem; }
.steps li::before { content: counter(step); display: inline-flex; align-items: center;
  justify-content: center; width: 2rem; height: 2rem; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-dark); font-weight: 700;
  margin-bottom: 0.6rem; }
.steps h3 { margin: 0 0 0.3rem; }

/* ---------- Nutzenblock ---------- */
.nutzen { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin: 2rem 0 0; }
.nutzen div { text-align: center; }
.nutzen strong { display: block; font-size: 2rem; color: var(--accent); line-height: 1.1;
  letter-spacing: -0.02em; }
.nutzen span { color: var(--ink-soft); }
@media (max-width: 860px) { .nutzen { grid-template-columns: 1fr; } }

.checks { list-style: none; padding: 0; margin: 1.2rem 0; }
.checks li { position: relative; padding-left: 1.9rem; margin-bottom: 0.6rem; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--ok); font-weight: 700; }

/* ---------- FAQ ---------- */
.faq details {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.2rem; margin-bottom: 0.8rem; background: #fff;
}
.faq summary { font-weight: 600; cursor: pointer; font-size: 1.05rem; }
.faq summary::marker { color: var(--accent); }
.faq details[open] summary { margin-bottom: 0.7rem; }
.faq p:last-child { margin-bottom: 0; }

/* ---------- Tabelle ---------- */
.table-wrap { overflow-x: auto; margin: 1.4rem 0; }
table { border-collapse: collapse; width: 100%; font-size: 0.98rem; }
th, td { text-align: left; padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--line);
  vertical-align: top; }
th { background: var(--bg-soft); font-weight: 600; }

/* ---------- Platzhalter, die noch gefüllt werden müssen ---------- */
.ph { background: #fff3cd; color: var(--warn); padding: 0 0.25em;
  border-radius: 3px; font-weight: 600; }

/* ---------- Fußzeile ---------- */
footer { background: var(--ink); color: #c8d4e2; padding: 3rem 0 2rem; margin-top: 3rem; }
footer a { color: #fff; }
footer h2 { color: #fff; font-size: 1rem; margin: 0 0 0.7rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.foot-grid ul { list-style: none; padding: 0; margin: 0; }
.foot-grid li { margin-bottom: 0.45rem; }
.legal { border-top: 1px solid #27384c; margin-top: 2rem; padding-top: 1.2rem;
  font-size: 0.92rem; color: #8ea1b6; }

/* ---------- Bildschirm-Illustration ---------- */
.screen-shot { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 18px 40px rgba(15, 27, 42, 0.12); background: #0b0f14; }
figure { margin: 2rem 0; }
figcaption { font-size: 0.94rem; color: var(--ink-soft); margin-top: 0.6rem; }

/* ---------- Breadcrumb ---------- */
.crumbs { font-size: 0.92rem; color: var(--ink-soft); padding-top: 1.4rem; }
.crumbs a { color: var(--ink-soft); }

@media (max-width: 860px) {
  .hero-grid, .grid.two, .grid.three, .steps, .foot-grid { grid-template-columns: 1fr; }
  .top .wrap { min-height: 60px; flex-wrap: wrap; padding-block: 0.6rem; }
  .nav { gap: 1rem; width: 100%; margin-left: 0; }
  section { padding: 2.4rem 0; }
}

/* ---------- Einwilligungsbanner ---------- */
.consent {
  position: fixed; inset: auto 0 0 0; z-index: 100;
  background: #fff; border-top: 2px solid var(--accent);
  box-shadow: 0 -10px 30px rgba(15, 27, 42, 0.18);
  padding: 1.2rem 0 calc(1.2rem + env(safe-area-inset-bottom, 0px));
}
.consent-inner { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.consent h2 { font-size: 1.15rem; margin: 0 0 0.4rem; }
.consent p { margin: 0 0 0.9rem; font-size: 0.98rem; color: var(--ink-soft); max-width: 75ch; }
.consent-optionen { margin: 0 0 1rem; display: grid; gap: 0.55rem; }
.consent-optionen label { display: flex; gap: 0.6rem; align-items: flex-start;
  font-size: 0.96rem; color: var(--ink); }
.consent-optionen input { margin-top: 0.3rem; }
.consent-knoepfe { display: flex; gap: 0.7rem; flex-wrap: wrap; }
.consent-knoepfe .btn { padding: 0.65rem 1.1rem; font-size: 0.98rem; cursor: pointer;
  font-family: inherit; }

/* ---------- Preistabelle ---------- */
.preis-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin: 2rem 0; }
.preis { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem;
  background: #fff; display: flex; flex-direction: column; }
.preis.hervor { border-color: var(--accent); box-shadow: 0 10px 30px rgba(39,100,214,0.12); }
.preis .stufe { font-weight: 700; font-size: 1.15rem; margin-bottom: 0.2rem; }
.preis .menge { color: var(--ink-soft); font-size: 0.96rem; margin-bottom: 1rem; }
.preis .betrag { font-size: 2.2rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.preis .einheit { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 1rem; }
.preis ul { list-style: none; padding: 0; margin: 0 0 1.2rem; font-size: 0.97rem; }
.preis li { padding-left: 1.5rem; position: relative; margin-bottom: 0.45rem; }
.preis li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.preis .btn { margin-top: auto; text-align: center; }
.marke { display: inline-block; background: var(--accent); color: #fff; font-size: 0.78rem;
  font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.2rem 0.6rem; border-radius: 99px; margin-bottom: 0.6rem; }
@media (max-width: 860px) { .preis-grid { grid-template-columns: 1fr; } }

/* Anschrift in der Fußzeile: <address> kursiviert der Browser von Haus aus,
   das liest sich bei einer Postanschrift schlecht. */
.anschrift {
  font-style: normal;          /* sonst kursiv, das liest sich schlecht */
  color: #c8d4e2;              /* Fußzeile ist dunkel — helle Schrift */
  line-height: 1.7;
  margin-top: 0.4rem;
}
.anschrift a { color: #fff; text-decoration: underline; }
.anschrift a:hover { color: #9db8e6; }