/* ==========================================================================
   Base — Reset, Typografie, Basis-Elemente
   ========================================================================== */

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

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

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

img {
  height: auto;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-link-hover);
}

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

ul,
ol {
  list-style: none;
}

fieldset {
  border: none;
}

/* --- Typografie --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  text-wrap: balance;
}

h1 {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-5xl));
  font-weight: 400;
}

h2 {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  font-weight: 400;
}

h3 {
  font-size: var(--text-2xl);
  font-weight: 400;
}

h4 {
  font-size: var(--text-xl);
  font-family: var(--font-body);
  font-weight: 600;
}

p {
  color: var(--color-text-secondary);
  max-width: 65ch;
}

strong {
  font-weight: 600;
}

/* --- Section Label (Mono, Uppercase) --- */
.label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-label);
}

/* --- Visually Hidden (a11y) --- */
.visually-hidden {
  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 --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: #1a0f08;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* --- Selection --- */
::selection {
  background-color: var(--color-accent);
  color: #1a0f08;
}