/* ==========================================================================
   moritz-kunkel.de – zentrales Stylesheet
   Design-Tokens: diese Datei ist die Quelle der Wahrheit; Entscheidungen in docs/projekt.md.
   Mobile-first: Basis gilt fürs Handy, größere Screens per min-width.
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Schrift: Inter Tight (SIL Open Font License), selbst gehostet –
   keine Anfragen an Google. Variable Font, 400–800 in einer Datei.
   -------------------------------------------------------------------------- */

/* latin-ext */
@font-face {
  font-family: 'Inter Tight';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('/fonts/inter-tight-variable-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
  font-family: 'Inter Tight';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('/fonts/inter-tight-variable-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --------------------------------------------------------------------------
   1. Design-Tokens
   -------------------------------------------------------------------------- */

:root {
  /* Farben – Kontraste geprüft (≥ 4,5:1) */
  --color-text: #222222;         /* Fließtext */
  --color-ink: #141414;          /* Überschriften, Buttons, dunkle Fläche */
  --color-muted: #5c5c5c;        /* Nebentext (auf Weiß und Grau > 6:1) */
  --color-line: #e2e2e0;         /* feine Rahmen */
  --color-bg: #ffffff;
  --color-surface: #f4f4f2;      /* graue Abschnitte */
  --color-accent: #1f7a4d;       /* Signalgrün – sparsam (5,3:1 auf Weiß, 4,8:1 auf Grau) */
  --color-accent-soft: #e8f2ec;  /* helle Grünfläche */
  --color-accent-on-ink: #3fbf7f; /* Grün auf dunkler Fläche (7,9:1) */

  /* Schrift */
  --font-sans: 'Inter Tight', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --text-sm: 0.875rem;
  --text-base: 1.0625rem;
  --text-lg: 1.25rem;
  --text-h3: 1.3125rem;
  --text-h2: clamp(2rem, 1.4rem + 2.4vw, 3.25rem);
  --text-h1: clamp(2.75rem, 1.6rem + 4.6vw, 5.25rem);

  --leading-tight: 1.05;
  --leading-body: 1.6;

  /* Abstände */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --section-y: clamp(4.5rem, 3rem + 5vw, 8rem);

  /* Layout */
  --container: 70rem;
  --container-text: 40rem;
  --gutter: 1.25rem;
  --header-h: 4rem;
  --radius: 0.5rem;
}

@media (min-width: 768px) {
  :root { --gutter: 2rem; }
}

/* --------------------------------------------------------------------------
   2. Basis
   -------------------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + var(--space-4)); /* Anker nicht unter dem Header */
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-text);
  background: var(--color-bg);
}

h1, h2, h3 {
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
  line-height: var(--leading-tight);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
h1 { font-size: var(--text-h1); letter-spacing: -0.04em; }
h2 { font-size: var(--text-h2); line-height: 1.1; }
h3 { font-size: var(--text-h3); line-height: var(--leading-tight); letter-spacing: -0.015em; font-weight: 650; }

p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }

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

/* Links im Fließtext unterstrichen, alleinstehende Links (Nav, Footer) ohne */
a { color: var(--color-ink); text-underline-offset: 0.2em; }
a:hover { color: var(--color-accent); }

:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100%;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-ink);
  color: #fff;
}
.skip-link:focus { top: var(--space-2); color: #fff; }

/* --------------------------------------------------------------------------
   3. Layout
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.section__intro { max-width: var(--container-text); margin-bottom: var(--space-7); }
.section__intro p { color: var(--color-muted); font-size: var(--text-lg); }

.lead { color: var(--color-muted); font-size: var(--text-lg); line-height: 1.5; }

/* Zweispaltig ab Tablet: Überschrift links, Inhalt rechts */
.split { display: grid; gap: var(--space-6); }

@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: start; }
}

/* Platzhalter während des Baus – verschwindet, sobald der Abschnitt steht */
.placeholder { color: var(--color-muted); font-style: italic; }

/* --------------------------------------------------------------------------
   4. Buttons
   Primär (schwarz) = Anfrage, Sekundär (Outline) = Navigation.
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;            /* Tippfläche ≥ 44 px */
  padding: var(--space-2) var(--space-5);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius);
  font: inherit;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.btn--primary { background: var(--color-ink); color: #fff; }
.btn--primary:hover { background: #333; border-color: #333; color: #fff; }
.btn--secondary { background: transparent; color: var(--color-ink); }
.btn--secondary:hover { background: var(--color-ink); color: #fff; }
.btn--small { min-height: 2.5rem; padding: var(--space-1) var(--space-4); font-size: var(--text-sm); }

/* --------------------------------------------------------------------------
   5. Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  min-height: var(--header-h);
}

.site-header__brand {
  margin-right: auto;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav { display: none; }

@media (min-width: 768px) {
  .site-nav { display: block; }
  .site-nav ul { display: flex; gap: var(--space-5); margin: 0; padding: 0; list-style: none; }
  .site-nav a { text-decoration: none; font-size: var(--text-sm); font-weight: 500; }
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */

.hero { padding-block: clamp(4rem, 2rem + 8vw, 9rem); }

.hero__title { max-width: 14ch; margin-bottom: var(--space-6); }

/* Kurzer grüner Strich unter der Überschrift – der einzige große Akzent */
.hero__title::after {
  content: "";
  display: block;
  width: 4.5rem;
  height: 0.375rem;
  margin-top: var(--space-5);
  border-radius: 999px;
  background: var(--color-accent);
}

.hero__lead {
  max-width: 34ch;
  margin-bottom: var(--space-6);
  font-size: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
  line-height: 1.45;
  color: var(--color-muted);
}

.hero__more {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* Handy: Text, darunter das Mockup. Ab 900 px: Text links, Mockup rechts */
.hero__grid { display: grid; gap: var(--space-7); }

.hero__mockup {
  position: relative;
  display: block;
  max-width: 34rem;
  padding: 0 9% 12% 0;          /* Platz für das überlappende Handy */
}

@media (min-width: 900px) {
  .hero { padding-block: clamp(3rem, 1rem + 5vw, 6rem); }
  .hero__grid { grid-template-columns: 1fr 1.15fr; align-items: center; gap: var(--space-8); }
  .hero__title { font-size: clamp(2.75rem, 1rem + 3.6vw, 4.5rem); }
  .hero__mockup { max-width: none; }
}

/* Geräterahmen – reines CSS, keine Effekte */
.device {
  display: block;
  overflow: hidden;
  background: var(--color-bg);
  box-shadow: 0 1.5rem 3rem rgb(20 20 20 / 0.12);
}

.device img { width: 100%; }

.device--browser {
  position: relative;
  padding-top: 1.75rem;          /* Kopfleiste */
  border: 1px solid var(--color-line);
  border-radius: 0.75rem;
}

/* Kopfleiste mit drei Punkten */
.device--browser::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1.75rem;
  border-bottom: 1px solid var(--color-line);
  background:
    radial-gradient(circle, #d6d6d2 0.25rem, transparent 0.27rem) 0.75rem 50% / 0.9rem 0.9rem no-repeat,
    radial-gradient(circle, #d6d6d2 0.25rem, transparent 0.27rem) 1.6rem 50% / 0.9rem 0.9rem no-repeat,
    radial-gradient(circle, #d6d6d2 0.25rem, transparent 0.27rem) 2.45rem 50% / 0.9rem 0.9rem no-repeat,
    var(--color-surface);
}

.device--phone {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 27%;
  border: 0.375rem solid var(--color-ink);
  border-radius: 1.5rem;
}

.device--phone img { aspect-ratio: 9 / 19; object-fit: cover; object-position: top; }

/* --------------------------------------------------------------------------
   7. Für wen – Zielgruppen als ruhige Liste
   -------------------------------------------------------------------------- */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  background: var(--color-bg);
  color: var(--color-ink);
  font-weight: 600;
}

.tags .tags__more {
  background: transparent;
  padding-inline: var(--space-2);
  color: var(--color-muted);
  font-weight: 400;
}

/* --------------------------------------------------------------------------
   8. Angebot – zwei Pakete als Karten
   -------------------------------------------------------------------------- */

.offers { display: grid; gap: var(--space-5); }

.offer {
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

@media (min-width: 768px) {
  .offers { grid-template-columns: 1fr 1fr; }
  .offer { padding: var(--space-6); }
}

.offer__label {
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.offer__list { margin: 0; padding: 0; list-style: none; }

.offer__list li {
  display: flex;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-top: 1px solid var(--color-line);
}

/* Grünes Häkchen: siehe .check-list in Abschnitt 9 */
.offer__list li:last-child { padding-bottom: 0; }

.tier { padding-block: var(--space-4); border-top: 1px solid var(--color-line); }
.tier__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-3);
  margin-bottom: var(--space-1);
}
.tier__name { font-weight: 650; color: var(--color-ink); }
.tier__price { font-size: var(--text-lg); font-weight: 700; color: var(--color-accent); letter-spacing: -0.01em; }
.tier__unit { font-size: var(--text-sm); color: var(--color-muted); }
.tier__text { color: var(--color-muted); }
.offer__fine { padding-top: var(--space-4); border-top: 1px solid var(--color-line); font-size: var(--text-sm); color: var(--color-muted); }

.offer__price {
  margin: calc(-1 * var(--space-2)) 0 var(--space-4);
  font-size: var(--text-lg);
  font-weight: 650;
  color: var(--color-ink);
}
.offer__unit { font-size: var(--text-base); font-weight: 400; color: var(--color-muted); }

.offers__note { margin-top: var(--space-5); color: var(--color-muted); }

/* --------------------------------------------------------------------------
   9. Case Study bybillie
   -------------------------------------------------------------------------- */

.eyebrow {
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.case__steps {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .case__steps { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

/* Vorher / Nachher: Handy-Screenshots nebeneinander */
.compare {
  display: grid;
  gap: var(--space-7);
  margin-top: var(--space-8);
}

@media (min-width: 900px) {
  .compare { grid-template-columns: 2fr 1.2fr; gap: var(--space-8); }
}

.compare__side { margin: 0; }

.compare__side figcaption {
  max-width: 30rem;
  margin-bottom: var(--space-5);
  color: var(--color-muted);
}

.compare__label {
  display: inline-block;
  margin-right: var(--space-2);
  padding: 0.1rem var(--space-3);
  border-radius: 999px;
  background: var(--color-line);
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 650;
}

.compare__label--after { background: var(--color-accent); color: #fff; }

.compare__shots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 15rem));
  gap: var(--space-4);
}

.compare__side--after .compare__shots { grid-template-columns: minmax(0, 15rem); }

.phone-shot {
  width: 100%;
  aspect-ratio: 9 / 19;
  object-fit: cover;
  object-position: top;
  border: 0.3125rem solid var(--color-ink);
  border-radius: 1.25rem;
  background: var(--color-bg);
}

.compare__side:not(.compare__side--after) .phone-shot { border-color: #b8b8b4; }

/* Ergebnis in Nutzen-Sprache: zwei Spalten */
.case__results { margin-top: var(--space-8); }
.case__results-grid { display: grid; gap: var(--space-6); margin-bottom: var(--space-6); }

@media (min-width: 768px) {
  .case__results-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

.check-list { margin: 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: var(--space-3); }
.check-list li + li { margin-top: var(--space-3); }
.check-list li::before,
.offer__list li::before {
  content: "";
  flex: none;
  width: 0.7rem;
  height: 0.4rem;
  margin-top: 0.55em;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}

.case__metric { margin-bottom: var(--space-5); font-weight: 600; color: var(--color-accent); }
.case__metric span { font-weight: 400; color: var(--color-muted); }

.case__quote {
  max-width: var(--container-text);
  margin: var(--space-7) 0 0;
  padding-left: var(--space-5);
  border-left: 3px solid var(--color-accent);
}
.case__quote blockquote { margin: 0 0 var(--space-2); font-size: var(--text-lg); }
.case__quote figcaption { font-size: var(--text-sm); color: var(--color-muted); }

/* --------------------------------------------------------------------------
   10. Ablauf – nummerierte Schritte
   -------------------------------------------------------------------------- */

.steps {
  display: grid;
  gap: var(--space-6);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

@media (min-width: 600px) {
  .steps { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .steps { grid-template-columns: repeat(4, 1fr); }
}

.steps li { counter-increment: step; }

.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: var(--space-4);
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
}

.steps h3 { margin-bottom: var(--space-2); }
.steps p { color: var(--color-muted); }

/* --------------------------------------------------------------------------
   11. Über mich – Foto und Text
   -------------------------------------------------------------------------- */

.about { display: grid; gap: var(--space-6); }

.about__photo {
  width: 100%;
  max-width: 22rem;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
}

.about__text { max-width: var(--container-text); }

@media (min-width: 768px) {
  .about { grid-template-columns: minmax(16rem, 22rem) 1fr; gap: var(--space-8); align-items: center; }
}

/* --------------------------------------------------------------------------
   11b. Häufige Fragen – <details>, ohne JavaScript
   -------------------------------------------------------------------------- */

.faq { display: grid; gap: var(--space-6); }

@media (min-width: 900px) {
  .faq { grid-template-columns: 1fr 2fr; gap: var(--space-8); align-items: start; }
}

.faq__list { border-top: 1px solid var(--color-line); }
.faq__list details { border-bottom: 1px solid var(--color-line); }

.faq__list summary {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-5);
  font-size: var(--text-lg);
  font-weight: 650;
  color: var(--color-ink);
  cursor: pointer;
  list-style: none;
}
.faq__list summary::-webkit-details-marker { display: none; }

/* Plus / Minus in Grün */
.faq__list summary::after {
  content: "+";
  flex: none;
  font-weight: 400;
  color: var(--color-accent);
}
.faq__list details[open] summary::after { content: "–"; }

.faq__list details p { max-width: var(--container-text); padding-bottom: var(--space-5); color: var(--color-muted); }

/* --------------------------------------------------------------------------
   12. Kontakt – letzter Aufruf, E-Mail statt Formular
   -------------------------------------------------------------------------- */

.contact { max-width: calc(var(--container-text) + 2 * var(--gutter)); margin-inline: 0; }
@media (min-width: 768px) {
  .contact { margin-inline: auto; text-align: center; }
}
.contact .lead { margin-bottom: var(--space-6); }
.contact__mail { margin-top: var(--space-4); font-size: var(--text-sm); color: var(--color-muted); }

/* Dunkle Fläche als Schlusspunkt der Seite */
.section--ink { background: var(--color-ink); color: #fff; }
.section--ink h2 { color: #fff; }
.section--ink .lead,
.section--ink .contact__mail { color: #b8b8b4; }
.section--ink a { color: #fff; }
.section--ink a:hover { color: var(--color-accent-on-ink); }
.section--ink :focus-visible { outline-color: #fff; }
.section--ink .btn--primary { background: #fff; border-color: #fff; color: var(--color-ink); }
.section--ink .btn--primary:hover { background: var(--color-accent-on-ink); border-color: var(--color-accent-on-ink); color: var(--color-ink); }

/* --------------------------------------------------------------------------
   13. Unterseiten (Impressum, Datenschutz, 404)
   -------------------------------------------------------------------------- */

.legal > * { max-width: var(--container-text); }   /* Zeilenlänge begrenzen, Kante bleibt bündig mit dem Header */
.legal h1 { font-size: var(--text-h2); margin-bottom: var(--space-6); }
.legal h2 { font-size: var(--text-h3); margin-top: var(--space-6); margin-bottom: var(--space-2); }

/* Hinweis bis zur rechtlichen Prüfung – danach entfernen */
.draft-note {
  display: inline-block;
  margin-bottom: var(--space-5);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-ink);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
}

.legal__date { margin-top: var(--space-6); font-size: var(--text-sm); color: var(--color-muted); }

/* --------------------------------------------------------------------------
   14. Footer
   -------------------------------------------------------------------------- */

.site-footer {
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  justify-content: space-between;
}

.site-footer ul { display: flex; flex-wrap: wrap; gap: var(--space-5); margin: 0; padding: 0; list-style: none; }
.site-footer a { text-decoration: none; }