/* ============================================================
   FAILMEZGER WERKSTATT — Base Styles
   Reset, Design-Tokens, Typo-Skala
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol { margin: 0; padding: 0; }
ul[role="list"], ol[role="list"] { list-style: none; }
html:focus-within { scroll-behavior: smooth; }
img, picture, svg, video { max-width: 100%; display: block; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; padding: 0; }
a { color: inherit; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

:root {
  /* Material-derived palette */
  --c-kalk:      #F4F1EC;   /* Kalkstein-Weiß, Grundton */
  --c-kalk-deep: #ECE6DE;   /* leicht tiefer für Sektionen */
  --c-basalt:    #1C1B19;   /* fast-schwarz mit Wärme */
  --c-granit:    #5B5854;   /* Fließtext, weicher als reines Schwarz */
  --c-granit-li: #8A867F;   /* Subtext, Meta */
  --c-sand:      #B89070;   /* Sandstein-Ocker, Akzent */
  --c-sand-deep: #8B6A4F;   /* tieferes Ocker für Hover */
  --c-schiefer:  #2A3340;   /* Schiefer-Tiefblau, sparsam */
  --c-line:      #D8D1C5;   /* dünne Trennlinien */

  /* Fluide Typo-Skala (clamp) */
  --fs-meta:    0.75rem;                                  /* 12px Eyebrow */
  --fs-small:   clamp(0.875rem, 0.84rem + 0.18vw, 1rem);  /* 14-16 */
  --fs-body:    clamp(1rem, 0.95rem + 0.22vw, 1.125rem);  /* 16-18 */
  --fs-lead:    clamp(1.125rem, 1.04rem + 0.4vw, 1.375rem); /* 18-22 */
  --fs-h4:      clamp(1.25rem, 1.1rem + 0.6vw, 1.625rem);
  --fs-h3:      clamp(1.5rem, 1.25rem + 1.1vw, 2.25rem);
  --fs-h2:      clamp(2rem, 1.5rem + 2.2vw, 3.5rem);
  --fs-h1:      clamp(2.75rem, 1.9rem + 4vw, 6rem);
  --fs-display: clamp(3.5rem, 2.2rem + 6vw, 8rem);

  /* Spacing */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2rem;
  --sp-6: 3rem;
  --sp-8: 5rem;
  --sp-12: 8rem;
  --sp-16: 11rem;

  /* Layout */
  --max-content: 1440px;
  --gutter: clamp(1.25rem, 0.5rem + 3vw, 3rem);

  /* Typo */
  --ff-serif: "Fraunces", "Source Serif 4", Georgia, serif;
  --ff-sans:  "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Motion */
  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
}

html { font-size: 100%; }
body {
  font-family: var(--ff-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--c-basalt);
  background: var(--c-kalk);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "ss01" 0;
}

/* ----- Typography ----- */
h1, h2, h3, h4 {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0;
  line-height: 1.04;
  color: var(--c-basalt);
  letter-spacing: -0.015em;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); line-height: 1.06; }
h3 { font-size: var(--fs-h3); line-height: 1.12; }
h4 { font-size: var(--fs-h4); line-height: 1.2; letter-spacing: -0.005em; }

.display {
  font-family: var(--ff-serif);
  font-size: var(--fs-display);
  line-height: 0.96;
  letter-spacing: -0.03em;
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

em, .italic {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 60, "WONK" 1;
}

.eyebrow {
  font-family: var(--ff-sans);
  font-size: var(--fs-meta);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-sand-deep);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.4rem;
  height: 1px;
  background: var(--c-sand);
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--c-granit);
  font-weight: 300;
  max-width: 34em;
}

p { color: var(--c-granit); }
p + p { margin-top: 1em; }

strong { font-weight: 600; color: var(--c-basalt); }

a {
  color: var(--c-basalt);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.link {
  color: var(--c-basalt);
  padding-bottom: 0.15em;
  border-bottom: 1px solid var(--c-sand);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.link:hover { color: var(--c-sand-deep); border-bottom-color: var(--c-sand-deep); }

.link-arrow {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55em;
  font-family: var(--ff-sans);
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--c-basalt);
  border-bottom: 1px solid var(--c-basalt);
  padding-bottom: 0.25em;
  transition: gap 0.3s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.link-arrow::after {
  content: "→";
  display: inline-block;
  font-size: 0.95em;
  transition: transform 0.3s var(--ease);
}
.link-arrow:hover { gap: 0.95em; color: var(--c-sand-deep); border-bottom-color: var(--c-sand-deep); }

::selection { background: var(--c-basalt); color: var(--c-kalk); }

/* Focus */
:focus-visible {
  outline: 2px solid var(--c-sand-deep);
  outline-offset: 3px;
  border-radius: 1px;
}

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger > * { transition-delay: calc(var(--i, 0) * 90ms); }

/* Utility */
.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 {
  position: absolute; left: 0.5rem; top: 0.5rem;
  background: var(--c-basalt); color: var(--c-kalk);
  padding: 0.5rem 0.875rem; z-index: 9999;
  transform: translateY(-200%);
  transition: transform 0.2s var(--ease);
  font-size: var(--fs-small);
}
.skip-link:focus { transform: translateY(0); }