/* ==========================================================================
   MGD Digital – Design-System
   Eine Datei, alle Seiten. Aufbau:
   1. Fonts   2. Variablen   3. Reset   4. Typografie   5. Layout
   6. Header  7. Buttons     8. Sektionen 9. Komponenten 10. Footer
   11. Formular  12. Animation  13. Responsive
   ========================================================================== */

/* 1. Fonts – selbst gehostet, keine Google-CDN (DSGVO)
   ========================================================================== */
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Space Grotesk';
  src: url('../fonts/space-grotesk.woff2') format('woff2-variations');
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

/* 2. Variablen
   ========================================================================== */
:root {
  /* Farben */
  --bg: #0a0b0d;
  --surface: #131519;
  --surface-2: #191c21;
  --border: #24282f;
  --border-hover: #363c46;
  --text: #f3f5f8;
  --text-muted: #99a0ac;
  --accent: #3d7bff;
  --accent-hover: #5a8fff;
  --accent-dim: rgba(61, 123, 255, 0.12);
  /* Nur als Button-Hintergrund. Weißer Text auf --accent erreicht 3,5:1 und
     verfehlt damit WCAG AA (4,5:1). Dieser Ton liegt bei 5,0:1 und sieht
     daneben praktisch identisch aus. */
  --accent-strong: #2a66eb;
  --accent-strong-hover: #3d7bff;
  --accent-2: #7c5cff;
  --success: #22d3a7;

  /* Schrift */
  --font-head: 'Space Grotesk', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;

  /* Abstände */
  --gap: 1rem;
  --section-y: clamp(4rem, 9vw, 7.5rem);
  --wrap: 1140px;
  --wrap-narrow: 760px;

  /* Radien */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;

  /* Übergänge */
  --t: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* 3. Reset
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

ul, ol { list-style: none; padding: 0; }

button,
input,
select,
textarea { font: inherit; color: inherit; }

a { color: inherit; text-decoration: none; }

/* Fokus – sichtbar für Tastaturbedienung, unsichtbar bei Mausklick */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.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 für Screenreader und Tastatur */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 200;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--r-sm);
  font-weight: 600;
  transition: top var(--t);
}
.skip-link:focus { top: 1rem; }

/* 4. Typografie
   ========================================================================== */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.1rem, 5.4vw, 3.6rem); }
h2 { font-size: clamp(1.65rem, 3.6vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
h4 { font-size: 1.05rem; }

p { text-wrap: pretty; }

strong { font-weight: 650; color: var(--text); }

.lead {
  font-size: clamp(1.05rem, 1.9vw, 1.22rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 58ch;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.muted { color: var(--text-muted); }
.gradient {
  background: linear-gradient(96deg, var(--accent) 10%, var(--accent-2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Textlinks im Fließtext */
.prose a,
a.link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--t);
}
.prose a:hover,
a.link:hover { color: var(--accent-hover); }

.prose p + p,
.prose p + ul,
.prose ul + p { margin-top: 1.1rem; }

/* Abschnittsüberschriften in Impressum und Datenschutz sind aus Gründen der
   Vorlesbarkeit h2 (kein Sprung nach der h1), sollen aber optisch die kleinere
   Stufe bleiben – sonst wirkt jeder Paragraf wie ein eigenes Kapitel. */
.prose h2,
.prose h3 {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  margin-top: 2rem;
}

/* 5. Layout
   ========================================================================== */
.wrap {
  width: min(100% - 2.5rem, var(--wrap));
  margin-inline: auto;
}

.wrap-narrow {
  width: min(100% - 2.5rem, var(--wrap-narrow));
  margin-inline: auto;
}

.section { padding-block: var(--section-y); }

.section-alt {
  background: var(--surface);
  border-block: 1px solid var(--border);
}

.section-head {
  max-width: 62ch;
  margin-bottom: clamp(2.25rem, 4.5vw, 3.25rem);
}
.section-head p { margin-top: 1rem; }

.section-head.center {
  margin-inline: auto;
  text-align: center;
}
.section-head.center .lead { margin-inline: auto; }

.grid { display: grid; gap: 1.15rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); }

/* 6. Header
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 11, 13, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 68px;
}

.logo {
  font-family: var(--font-head);
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo b { color: var(--accent); font-weight: 700; }

.nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin-left: auto;
}

.nav a {
  font-size: 0.925rem;
  color: var(--text-muted);
  transition: color var(--t);
  white-space: nowrap;
}
.nav a:hover { color: var(--text); }
.nav a[aria-current='page'] { color: var(--text); font-weight: 550; }

/* `.nav a` (0,1,1) schlägt `.btn-primary` (0,1,0) und hätte den wichtigsten
   Button der Seite grau eingefärbt. Deshalb hier explizit zurückholen. */
.nav a.btn-primary { color: #fff; }
.nav a.btn-ghost { color: var(--text); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

/* Burger – nur mobil sichtbar */
.burger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  width: 42px; height: 42px;
  cursor: pointer;
  padding: 0;
  place-items: center;
  transition: border-color var(--t);
}
.burger:hover { border-color: var(--border-hover); }
.burger span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t);
}
.burger span + span { margin-top: 4.5px; }
.burger[aria-expanded='true'] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded='true'] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 7. Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.85rem 1.5rem;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: background var(--t), border-color var(--t), transform var(--t), color var(--t);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent-strong);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-strong-hover); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--border-hover); background: var(--surface-2); }

.btn-sm { padding: 0.62rem 1.05rem; font-size: 0.875rem; }
.btn-block { width: 100%; }

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

/* 8. Hero
   ========================================================================== */
.hero {
  position: relative;
  padding-block: clamp(3.5rem, 8vw, 6.5rem) clamp(3rem, 6vw, 4.5rem);
  overflow: hidden;
}

/* Weicher Lichtschein hinter dem Hero – rein dekorativ */
.hero::before {
  content: '';
  position: absolute;
  top: -320px; left: 50%;
  width: 880px; height: 640px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(61, 123, 255, 0.17), transparent 66%);
  pointer-events: none;
  z-index: -1;
}

.hero h1 { max-width: 17ch; }
.hero .lead { margin-top: 1.35rem; }

.hero-note {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.hero-note::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(34, 211, 167, 0.16);
}

/* 9. Komponenten
   ========================================================================== */

/* --- Karte --- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.65rem;
  transition: border-color var(--t), transform var(--t);
  display: flex;
  flex-direction: column;
}
a.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.card h3 { margin-bottom: 0.6rem; }
.card p { color: var(--text-muted); font-size: 0.94rem; }

.card-foot {
  margin-top: auto;
  padding-top: 1.15rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}
a.card:hover .card-foot { color: var(--accent-hover); }

/* --- Der Versprechen-Block: das Kernargument der Seite --- */
.promise {
  position: relative;
  background: linear-gradient(150deg, rgba(61, 123, 255, 0.09), rgba(124, 92, 255, 0.05));
  border: 1px solid rgba(61, 123, 255, 0.28);
  border-radius: var(--r-lg);
  padding: clamp(1.75rem, 4vw, 2.75rem);
}

.promise-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--accent-dim);
  border: 1px solid rgba(61, 123, 255, 0.3);
  color: var(--accent);
  font-size: 0.775rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.34rem 0.8rem;
  border-radius: 100px;
  margin-bottom: 1.1rem;
}

.promise h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); }
.promise p { margin-top: 0.95rem; max-width: 62ch; color: var(--text-muted); }
.promise strong { color: var(--text); }

/* --- Häkchenliste (Vertrauensanker) --- */
.checks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 1.15rem 2rem;
}

.checks li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 0.75rem;
  align-items: start;
}

.checks li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1.5;
  background: rgba(34, 211, 167, 0.1);
  border-radius: 50%;
  width: 22px; height: 22px;
  display: grid;
  place-items: center;
  margin-top: 2px;
}

.checks b {
  display: block;
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--text);
}
.checks span {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-top: 0.1rem;
}

/* Kompakte Variante ohne Erklärtext */
.checks-tight { gap: 0.65rem 2rem; }
.checks-tight li { font-size: 0.94rem; align-items: center; }
.checks-tight li::before { margin-top: 0; }

/* --- Nummerierte Schritte --- */
.steps { counter-reset: step; }

.steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 3.75rem;
}
.steps > li + li { margin-top: 2.25rem; }

.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 0;
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(61, 123, 255, 0.25);
  border-radius: 50%;
}

/* Verbindungslinie zwischen den Schritten */
.steps > li:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 22px; top: 52px; bottom: -2.25rem;
  width: 1px;
  background: linear-gradient(var(--border), transparent);
}

.steps h3 { margin-bottom: 0.4rem; }
.steps p { color: var(--text-muted); }

/* --- FAQ-Akkordeon --- */
.faq { border-top: 1px solid var(--border); }

.faq details {
  border-bottom: 1px solid var(--border);
}

.faq summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.3rem 0;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 1.03rem;
  font-weight: 600;
  line-height: 1.4;
  list-style: none;
  transition: color var(--t);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--accent); }

.faq summary::after {
  content: '+';
  flex-shrink: 0;
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1;
  color: var(--accent);
  transition: transform var(--t);
}
.faq details[open] summary::after { transform: rotate(45deg); }

.faq .answer {
  padding-bottom: 1.4rem;
  color: var(--text-muted);
  max-width: 70ch;
}
.faq .answer p + p { margin-top: 0.8rem; }

/* --- Kontaktkarten (Telefon, WhatsApp) --- */
.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.9rem;
}

.contact-methods a {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.05rem 1.2rem;
  transition: border-color var(--t), background var(--t);
}
.contact-methods a:hover { border-color: var(--border-hover); background: var(--surface-2); }

.contact-methods .ico {
  width: 38px; height: 38px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
}
.contact-methods .ico svg { width: 18px; height: 18px; }

.contact-methods .label { display: block; font-size: 0.775rem; color: var(--text-muted); }
.contact-methods .value { display: block; font-weight: 600; font-size: 0.95rem; margin-top: 0.05rem; }

/* --- Zitat / Hervorhebung --- */
.callout {
  border-left: 3px solid var(--accent);
  background: var(--accent-dim);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: 1.15rem 1.4rem;
  color: var(--text-muted);
}
.callout strong { color: var(--text); }

/* --- Platzhalter-Markierung, wird vor dem Livegang ersetzt --- */
.ph {
  background: rgba(255, 176, 32, 0.13);
  border-bottom: 1px dashed rgba(255, 176, 32, 0.55);
  padding: 0 2px;
  border-radius: 2px;
}

/* --- Profilbild --- */
.portrait {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--surface-2);
}

/* 10. Footer
   ========================================================================== */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-block: 3.25rem 2rem;
  margin-top: var(--section-y);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(2, 1fr);
  gap: 2.5rem;
}

.footer h2 {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.95rem;
}

.footer li + li { margin-top: 0.6rem; }

.footer a {
  font-size: 0.925rem;
  color: var(--text-muted);
  transition: color var(--t);
}
.footer a:hover { color: var(--text); }

.footer-about { font-size: 0.925rem; color: var(--text-muted); margin-top: 0.9rem; max-width: 38ch; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
  justify-content: space-between;
  align-items: center;
  margin-top: 2.75rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 11. Formular
   ========================================================================== */
.form { display: grid; gap: 1.1rem; }

.field { display: grid; gap: 0.45rem; }

.field label {
  font-size: 0.885rem;
  font-weight: 550;
}
.field label .opt { color: var(--text-muted); font-weight: 400; }

.field input,
.field select,
.field textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.78rem 0.95rem;
  font-size: 0.95rem;
  width: 100%;
  transition: border-color var(--t), box-shadow var(--t);
}

/* Nicht dunkler setzen: Die Platzhalter tragen echte Hinweise, und unter
   #767E8C fällt der Kontrast auf dem dunklen Feld unter WCAG AA. */
.field input::placeholder,
.field textarea::placeholder { color: #7e8694; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.field textarea { resize: vertical; min-height: 130px; line-height: 1.6; }

.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%2399a0ac' stroke-width='1.6' d='M1 1.5 6 6.5l5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.95rem center;
  padding-right: 2.4rem;
  cursor: pointer;
}
.field select option { background: var(--surface); color: var(--text); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }

/* Honeypot – für Menschen unsichtbar, für Bots ein Köder */
.hp {
  position: absolute !important;
  left: -9999px !important;
  opacity: 0;
  height: 0;
  width: 0;
  pointer-events: none;
}

.form-note { font-size: 0.83rem; color: var(--text-muted); line-height: 1.55; }

.form-status {
  display: none;
  padding: 0.85rem 1.1rem;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
}
.form-status.is-error {
  display: block;
  background: rgba(255, 92, 92, 0.1);
  border: 1px solid rgba(255, 92, 92, 0.35);
  color: #ff9a9a;
}

.btn[aria-busy='true'] { opacity: 0.65; pointer-events: none; }

/* 12. Animation
   ========================================================================== */
/* Nur wenn JavaScript läuft, wird überhaupt etwas versteckt. Ohne die
   .js-Bedingung wäre die ganze Seite unsichtbar, sobald das Skript
   blockiert wird oder fehlschlägt. */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms ease, transform 620ms cubic-bezier(0.16, 1, 0.3, 1);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* 13. Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 800px) {
  .burger { display: grid; }

  /* Mobiles Menü: klappt unter dem Header auf */
  .nav {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 1.25rem 1.25rem;
    margin: 0;
    max-height: calc(100dvh - 68px);
    overflow-y: auto;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t), transform var(--t), visibility var(--t);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }

  .nav a {
    padding: 0.85rem 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .nav .btn {
    margin-top: 1rem;
    border-bottom: none;
    padding: 0.85rem 1.5rem;
  }

  /* Telefon-Button verschwindet im Header, bleibt im Footer */
  .header-cta .btn { display: none; }
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
  .btn-group .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .steps > li { padding-left: 3.25rem; }
  .steps > li::before { width: 38px; height: 38px; font-size: 0.95rem; }
  .steps > li:not(:last-child)::after { left: 19px; top: 46px; }
}