/* ============================================================
   TruffleCraft — Design-System (hell · minimal · editorial)
   Alle Tokens zentral in :root. B&W, viel Negativraum.
   ============================================================ */

:root {
  /* Farben */
  --paper:        #f7f6f3;   /* Galerie-Weiß, warm */
  --paper-pure:   #ffffff;
  --ink:          #0b0b0c;   /* Deep Black */
  --ink-soft:     #3d3d3a;
  --ink-faint:    #8b8b83;
  --line:         rgba(11, 11, 12, 0.12);
  --line-strong:  rgba(11, 11, 12, 0.24);

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

  /* Fluider Type-Scale */
  --step-hero: clamp(2.15rem, 1rem + 5.5vw, 6.2rem);
  --step-2xl:  clamp(1.7rem, 1.05rem + 3vw, 3.6rem);
  --step-xl:   clamp(1.5rem, 1.1rem + 1.8vw, 2.2rem);
  --step-lg:   clamp(1.18rem, 1rem + 0.7vw, 1.4rem);
  --step-md:   1.0625rem;
  --step-sm:   0.875rem;
  --step-xs:   0.75rem;

  /* Spacing */
  --space-section: clamp(5rem, 3rem + 9vw, 11rem);
  --gutter:        clamp(1.25rem, 0.6rem + 3vw, 3rem);
  --maxw:          1240px;
  --measure:       62ch;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--step-md);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--space-section); }
.section + .section { padding-top: 0; }

.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--step-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1.4rem;
  display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap;
}
.eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--line-strong); flex: none;
}
.eyebrow span { min-width: 0; overflow-wrap: break-word; }

h1, h2, h3 { font-family: var(--font-serif); font-weight: 400; letter-spacing: -0.01em; line-height: 1.04; margin: 0; overflow-wrap: break-word; hyphens: auto; }

/* ============================================================
   Topbar
   ============================================================ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.wordmark {
  font-family: var(--font-serif);
  font-size: 1.2rem; letter-spacing: 0.01em;
  text-decoration: none; color: var(--ink);
  display: inline-flex; align-items: baseline; gap: 0.1ch;
}
.wordmark b { font-weight: 600; }

/* Sprach-Umschalter */
.langswitch { display: inline-flex; gap: 2px; font-family: var(--font-sans); font-size: var(--step-xs); align-items: center; }
.langswitch button {
  appearance: none; border: 0; background: none; cursor: pointer;
  font: inherit; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-faint); padding: 0.5rem 0.55rem; border-radius: 4px;
  min-height: 44px; min-width: 44px;
}
.langswitch button[aria-pressed="true"] { color: var(--ink); font-weight: 600; }
.langswitch button:hover { color: var(--ink); }
.langswitch .sep { color: var(--line-strong); }

/* ============================================================
   Hero
   ============================================================ */
.hero { padding-top: clamp(3rem, 2rem + 5vw, 6rem); }
.hero .grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 1rem + 5vw, 5rem); align-items: center;
}
.hero h1 { font-size: var(--step-hero); }
.hero .lead {
  font-size: var(--step-lg); color: var(--ink-soft);
  max-width: 36ch; margin: clamp(1.5rem, 1rem + 1.5vw, 2.2rem) 0 0;
  line-height: 1.5;
}
.hero .cta-row { margin-top: clamp(2rem, 1.4rem + 1.6vw, 3rem); }

/* Galerie-Rahmen mit dem Trüffel-Bild */
.plate { position: relative; }
.plate .frame {
  position: relative; aspect-ratio: 1 / 1; overflow: hidden;
  background: var(--ink);
  box-shadow: 0 40px 80px -40px rgba(11,11,12,0.45);
}
.plate .frame img {
  width: 100%; height: 100%; object-fit: cover;
  filter: contrast(1.06);
}
.plate figcaption {
  margin-top: 0.9rem; font-size: var(--step-xs); letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-faint);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 0.6ch;
  font-family: var(--font-sans); font-size: var(--step-sm); letter-spacing: 0.02em;
  text-decoration: none; cursor: pointer; border: 1px solid var(--ink);
  padding: 0.95rem 1.6rem; border-radius: 999px; min-height: 48px;
  transition: background .35s var(--ease), color .35s var(--ease), transform .35s var(--ease);
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.arrow { transition: transform .35s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* ============================================================
   Leistungen — typografische Liste mit Hairlines
   ============================================================ */
.services { display: grid; gap: 0; }
.service {
  display: grid; grid-template-columns: 4rem 1fr; gap: clamp(1rem, 0.4rem + 2vw, 2.5rem);
  padding-block: clamp(2rem, 1.4rem + 2vw, 3rem);
  border-top: 1px solid var(--line);
}
.service:last-child { border-bottom: 1px solid var(--line); }
.service .num { font-family: var(--font-serif); font-size: var(--step-xl); color: var(--ink-faint); }
.service h3 { font-size: var(--step-2xl); margin-bottom: 0.6rem; }
.service p { margin: 0; color: var(--ink-soft); max-width: var(--measure); }

/* ============================================================
   So läuft's — 3 Schritte
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 0.5rem + 3vw, 3.5rem); }
.step .num {
  font-family: var(--font-sans); font-size: var(--step-xs); letter-spacing: 0.2em;
  color: var(--ink-faint); margin-bottom: 0.8rem;
}
.step h3 { font-size: var(--step-lg); margin-bottom: 0.5rem; }
.step p { margin: 0; color: var(--ink-soft); font-size: var(--step-sm); }

/* ============================================================
   Motiv-Band — voll-breites, körniges B&W-Bild (roter Faden)
   ============================================================ */
.motif {
  width: 100vw; margin-left: calc(50% - 50vw);
  margin-block: clamp(3.5rem, 2rem + 5vw, 7rem);
  position: relative; overflow: hidden;
  background: var(--ink);
}
.section + .motif { margin-top: clamp(3.5rem, 2rem + 5vw, 7rem); }
.motif img {
  width: 100%; height: clamp(220px, 18rem + 12vw, 480px);
  object-fit: cover; filter: grayscale(1) contrast(1.05);
  display: block;
}
.motif figcaption {
  position: absolute; left: var(--gutter); bottom: clamp(0.9rem, 0.6rem + 1vw, 1.6rem);
  font-family: var(--font-sans); font-size: var(--step-xs);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: color-mix(in srgb, var(--paper) 82%, transparent);
  margin: 0; max-width: 40ch; text-shadow: 0 1px 12px rgba(0,0,0,0.55);
}

/* ============================================================
   Wer dahintersteht — ruhige Substanz-Passage
   ============================================================ */
.pedigree { max-width: 64ch; }
.pedigree-lead {
  font-family: var(--font-serif); font-size: var(--step-xl); line-height: 1.35;
  color: var(--ink); margin: 0 0 1.4rem;
}
.pedigree-body { color: var(--ink-soft); max-width: var(--measure); margin: 0; }

/* ============================================================
   Referenzen — leise Liste mit Hairlines
   ============================================================ */
.reflist { list-style: none; margin: 0; padding: 0; }
.refrow {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem 2rem; flex-wrap: wrap;
  padding-block: clamp(1.2rem, 0.8rem + 1.4vw, 1.8rem);
  border-top: 1px solid var(--line);
}
.refrow:last-child { border-bottom: 1px solid var(--line); }
.refrow-main { display: flex; align-items: baseline; gap: 0.6rem 1.1rem; flex-wrap: wrap; min-width: 0; }
.refrow h3 { font-size: var(--step-lg); }
.refrow-role { font-size: var(--step-sm); color: var(--ink-faint); letter-spacing: 0.02em; }
.refrow-link {
  font-family: var(--font-sans); font-size: var(--step-sm); text-decoration: none;
  white-space: nowrap; color: var(--ink-soft);
  border-bottom: 1px solid var(--line-strong); padding-bottom: 2px;
  display: inline-flex; align-items: center; gap: 0.5ch;
}
.refrow-link:hover { color: var(--ink); border-color: var(--ink); }

/* ============================================================
   Story — eine ruhige editorial-Passage
   ============================================================ */
.story-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(2rem, 1rem + 4vw, 5rem); align-items: start; }
.story-body p { font-size: var(--step-xl); font-family: var(--font-serif); line-height: 1.4; color: var(--ink); max-width: 28ch; margin: 0; }
.story-body p + p { margin-top: 1.6rem; }
.story-body .mark { font-style: italic; }

/* ============================================================
   Kontakt
   ============================================================ */
.contact { text-align: center; }
.contact h2 { font-size: var(--step-hero); margin-bottom: 1.2rem; }
.contact p { color: var(--ink-soft); max-width: 44ch; margin: 0 auto 2.4rem; }
.contact .mail {
  font-family: var(--font-serif); font-size: var(--step-xl);
  text-decoration: none; border-bottom: 1px solid var(--line-strong); padding-bottom: 4px;
}
.contact .mail:hover { border-color: var(--ink); }

/* ============================================================
   Footer
   ============================================================ */
.site-foot { border-top: 1px solid var(--line); padding-block: clamp(2.5rem, 2rem + 2vw, 4rem); }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; justify-content: space-between; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 1.5rem; font-size: var(--step-sm); }
.site-foot a { text-decoration: none; color: var(--ink-soft); }
.site-foot a:hover { color: var(--ink); }
.site-foot .copy { font-size: var(--step-xs); color: var(--ink-faint); }

/* ============================================================
   i18n-Sichtbarkeit (no-JS = Deutsch sichtbar)
   ============================================================ */
[data-lang-en] { display: none; }
html[lang="en"] [data-lang-de] { display: none; }
html[lang="en"] [data-lang-en] { display: revert; }

/* ============================================================
   Scroll-Reveal (Progressive Enhancement)
   ============================================================ */
.js [data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js [data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  .btn, .arrow { transition: none; }
}

/* ============================================================
   Rechtsseiten
   ============================================================ */
.legal { max-width: 72ch; margin-inline: auto; padding-block: clamp(3rem, 2rem + 4vw, 6rem); }
.legal h1 { font-size: var(--step-2xl); margin-bottom: 2rem; }
.legal h2 { font-size: var(--step-lg); font-family: var(--font-sans); font-weight: 600; margin: 2.4rem 0 0.6rem; }
.legal p, .legal li { color: var(--ink-soft); }
.legal a { color: var(--ink); }
.legal .back { display: inline-block; margin-bottom: 2.5rem; font-size: var(--step-sm); text-decoration: none; color: var(--ink-faint); }
.legal .back:hover { color: var(--ink); }
.legal address { font-style: normal; color: var(--ink-soft); line-height: 1.6; }
.legal .legal-date { margin-top: 2.5rem; color: var(--ink-faint); font-size: var(--step-sm); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  .hero .grid { grid-template-columns: 1fr; }
  .plate { order: -1; }
  .plate .frame { aspect-ratio: 4 / 3; max-height: 56vh; }
  .steps { grid-template-columns: 1fr; gap: 1.5rem; }
  .story-grid { grid-template-columns: 1fr; }
  .service { grid-template-columns: 2.6rem 1fr; }
}