/* =========================================================================
   base.css — Reset, Basis-Typo, Grundlayout, bespoke Utilities
   Kein Tailwind, kein CDN-Framework (Bauplan D1). Nutzt tokens.css.
   ========================================================================= */

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  min-height: 100vh;
  font-family: var(--ff-sans);
  font-weight: var(--fw-sans-reg);
  font-size: var(--fs-300);
  line-height: var(--lh-body);
  color: var(--text-on-dark);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Body-Scroll-Lock (Preloader/Menü aktiv) — von main.js gesetzt */
body.is-locked {
  overflow: hidden;
  height: 100vh;
}

img,
picture,
svg,
canvas {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

/* ---------- Basis-Typo ---------- */
h1, h2, h3, h4 {
  font-family: var(--ff-serif);
  font-weight: var(--fw-serif-semi);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-display);
  font-variation-settings: 'opsz' var(--serif-opsz-display), 'wght' var(--fw-serif-semi);
}

p {
  max-width: 68ch;
}

strong {
  font-weight: var(--fw-sans-semi);
  color: inherit;
}

em {
  font-style: italic;
}

/* ---------- Layout-Utilities (bespoke) ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

/* Eyebrow-Label (durchgehend genutzt) */
.eyebrow {
  display: inline-block;
  font-family: var(--ff-sans);
  font-size: var(--fs-100);
  font-weight: var(--fw-sans-semi);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--accent-text);
}

/* Visuell versteckt (Screenreader-only) */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip-Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--gutter);
  z-index: calc(var(--z-cursor) + 10);
  padding: var(--sp-2) var(--sp-4);
  background: var(--accent);
  color: var(--c-midnight);
  border-radius: var(--r-sm);
  font-size: var(--fs-200);
  font-weight: var(--fw-sans-semi);
  transition: top var(--dur-fast) var(--ease-out-soft);
}
.skip-link:focus {
  top: var(--sp-3);
}

/* ---------- Reveal-Basiszustand ---------- */
/* Cinematischer Reveal: dezenter Blur + Scale zusätzlich zu Fade/Slide, damit
   Sektionen sich "einfokussieren" statt nur einzublenden. */
.reveal {
  opacity: 0;
  transform: translateY(36px) scale(0.975);
  filter: blur(6px);
  transition:
    opacity var(--dur-hero) var(--ease-out-soft),
    transform var(--dur-hero) var(--ease-out-expo),
    filter var(--dur-hero) var(--ease-out-soft);
  will-change: opacity, transform, filter;
}
.reveal.visible {
  opacity: 1;
  transform: none;
  filter: blur(0);
  will-change: auto;
}

/* Gestaffelte Reveals (Verzögerung per data-Attribut / nth-child) */
.reveal[data-reveal-delay="1"] { transition-delay: 0.08s; }
.reveal[data-reveal-delay="2"] { transition-delay: 0.16s; }
.reveal[data-reveal-delay="3"] { transition-delay: 0.24s; }
.reveal[data-reveal-delay="4"] { transition-delay: 0.32s; }

/* ---------- Fokus-States (global, sichtbar, Bronze) ---------- */
:focus-visible {
  outline: 2px solid var(--accent-hover);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}
/* Fallback für Browser ohne :focus-visible */
:focus:not(:focus-visible) {
  outline: none;
}

/* ---------- Selektion ---------- */
::selection {
  background: var(--accent);
  color: var(--c-midnight);
}

/* ---------- Scrollbar (dezent) ---------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--c-midnight); }
::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: var(--r-pill);
  border: 2px solid var(--c-midnight);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ---------- Reduced-Motion (global) ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }
}