/* ============================================================
 * baustelle/css/style.css — nyinto Coming-soon-Seite
 * Design-Tokens inline (kein Bootstrap, kein externes CSS)
 * ============================================================ */

@font-face {
  font-family: 'InterVariable';
  src: url('../fonts/inter/InterVariable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Metropolis';
  src: url('../fonts/metropolis/metropolis-latin-400-normal.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  --brand-ink:          #1c1a08;
  --brand-paper:        #f0eee6;
  --brand-dark-bg:      #14130f;
  --brand-sage-light:   #4A6B54;
  --brand-sage-dark:    #A4C7AA;
  --brand-muted-light:  #a8a49a;
  --brand-muted-dark:   #55524b;

  --bg-primary:         var(--brand-paper);
  --bg-secondary:       #e8e5db;
  --bg-tertiary:        #dcd9ce;

  --text-primary:       var(--brand-ink);
  --text-secondary:     #4a4638;
  --text-tertiary:      #6a6a5c;
  --text-muted:         #8a857a;

  --border-subtle:      rgba(28,26,8,.08);
  --border-default:     rgba(28,26,8,.16);

  --accent:             var(--brand-sage-light);
  --accent-hover:       #3D5A46;
  --accent-subtle:      rgba(74,107,84,.12);
  --accent-text:        var(--brand-paper);

  --font-logo:          'Metropolis', sans-serif;
  --font-sans:          'InterVariable', 'Inter', system-ui, sans-serif;

  --font-size-xs:       0.75rem;
  --font-size-sm:       0.875rem;
  --font-size-base:     1rem;
  --font-size-lg:       1.125rem;
  --font-size-xl:       1.375rem;
  --font-size-2xl:      1.75rem;
  --font-size-3xl:      2.25rem;
  --font-size-4xl:      3rem;

  --radius-sm:          4px;
  --radius-md:          8px;
  --radius-lg:          12px;
  --radius-pill:        999px;

  --shadow-md:          0 4px 12px rgba(28,26,8,.08);
  --transition-fast:    120ms ease;
  --transition-base:    180ms ease;

  --focus-ring:         0 0 0 3px rgba(74,107,84,.35);

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary:       var(--brand-dark-bg);
    --bg-secondary:     #1f1e19;
    --bg-tertiary:      #2a2824;
    --text-primary:     var(--brand-paper);
    --text-secondary:   #c7c4b8;
    --text-tertiary:    #8a857a;
    --text-muted:       #6a6560;
    --border-subtle:    rgba(240,238,230,.06);
    --border-default:   rgba(240,238,230,.14);
    --accent:           var(--brand-sage-dark);
    --accent-hover:     #C2DBC6;
    --accent-subtle:    rgba(164,199,170,.14);
    --accent-text:      var(--brand-dark-bg);
    --focus-ring:       0 0 0 3px rgba(164,199,170,.4);
    color-scheme: dark;
  }
}

[data-theme="light"] {
  --bg-primary:         var(--brand-paper);
  --bg-secondary:       #e8e5db;
  --bg-tertiary:        #dcd9ce;
  --text-primary:       var(--brand-ink);
  --text-secondary:     #4a4638;
  --text-tertiary:      #6a6a5c;
  --text-muted:         #8a857a;
  --border-subtle:      rgba(28,26,8,.08);
  --border-default:     rgba(28,26,8,.16);
  --accent:             var(--brand-sage-light);
  --accent-hover:       #3D5A46;
  --accent-subtle:      rgba(74,107,84,.12);
  --accent-text:        var(--brand-paper);
  --focus-ring:         0 0 0 3px rgba(74,107,84,.35);
  color-scheme: light;
}

[data-theme="dark"] {
  --bg-primary:         var(--brand-dark-bg);
  --bg-secondary:       #1f1e19;
  --bg-tertiary:        #2a2824;
  --text-primary:       var(--brand-paper);
  --text-secondary:     #c7c4b8;
  --text-tertiary:      #8a857a;
  --text-muted:         #6a6560;
  --border-subtle:      rgba(240,238,230,.06);
  --border-default:     rgba(240,238,230,.14);
  --accent:             var(--brand-sage-dark);
  --accent-hover:       #C2DBC6;
  --accent-subtle:      rgba(164,199,170,.14);
  --accent-text:        var(--brand-dark-bg);
  --focus-ring:         0 0 0 3px rgba(164,199,170,.4);
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-base), color var(--transition-base);
  /* subtle ruled-paper background */
  background-image: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 27px,
    var(--border-subtle) 27px,
    var(--border-subtle) 28px
  );
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}
a:hover { color: var(--accent-hover); }
a:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }

/* ── Layout ───────────────────────────────────────────────── */
.page-wrapper {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 2rem;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background-color: color-mix(in srgb, var(--bg-primary) 85%, transparent);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Lang Toggle ──────────────────────────────────────────── */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  padding: 2px;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--text-muted);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.lang-btn:hover { color: var(--text-primary); }

.lang-btn.active {
  background: var(--accent);
  color: var(--accent-text);
}

/* ── Dark Mode Toggle ─────────────────────────────────────── */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
  font-size: 1rem;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-subtle);
}

/* ── Main ─────────────────────────────────────────────────── */
main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem;
  width: 100%;
}

/* ── Left: Branding + Copy ────────────────────────────────── */
.hero-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

/* Logo-Bild: hell/dunkel je nach Theme */
.logo-dark { display: block; }
.logo-light { display: none; }

@media (prefers-color-scheme: dark) {
  .logo-dark { display: none; }
  .logo-light { display: block; }
}
[data-theme="dark"] .logo-dark { display: none; }
[data-theme="dark"] .logo-light { display: block; }
[data-theme="light"] .logo-dark { display: block; }
[data-theme="light"] .logo-light { display: none; }

.brand-wordmark {
  font-family: var(--font-logo);
  font-weight: 400;
  font-size: var(--font-size-3xl);
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
}

/* ── Decorative rule ──────────────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--accent);
  opacity: 0.6;
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: currentColor;
}
.divider-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

/* ── Headlines ────────────────────────────────────────────── */
.hero-headline {
  font-size: var(--font-size-3xl);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.hero-headline strong {
  font-weight: 600;
  color: var(--accent);
}

.hero-sub {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

.hero-tagline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.tagline-item {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: .04em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.tagline-item::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ── Right: Illustration ──────────────────────────────────── */
.hero-illustration {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.journal-svg {
  width: 100%;
  max-width: 480px;
  height: auto;
  filter: drop-shadow(0 8px 32px rgba(28,26,8,.12));
}

/* Watermark letter */
.watermark {
  position: absolute;
  font-family: var(--font-logo);
  font-size: 28rem;
  font-weight: 400;
  color: var(--accent);
  opacity: 0.03;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

/* ── Impressum page ───────────────────────────────────────── */
.impressum-wrapper {
  max-width: 680px;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
  flex: 1;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 2.5rem;
  transition: color var(--transition-fast);
}
.back-link:hover { color: var(--accent); text-decoration: none; }

.impressum-wrapper h1 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.impressum-wrapper h2 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: var(--font-size-xs);
}

.impressum-wrapper p,
.impressum-wrapper address {
  font-style: normal;
  line-height: 1.7;
  color: var(--text-secondary);
}

.placeholder {
  background: var(--accent-subtle);
  border: 1px dashed var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.4em;
  font-size: 0.9em;
  color: var(--accent);
  font-style: italic;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  main {
    grid-template-columns: 1fr;
    padding: 3rem 1.25rem;
    gap: 2rem;
  }

  .hero-illustration { display: none; }

  .hero-headline { font-size: var(--font-size-2xl); }

  .site-header { padding: 0.75rem 1.25rem; }

  .site-footer { padding: 1rem 1.25rem; }
}

@media (max-width: 480px) {
  .brand-wordmark { font-size: var(--font-size-2xl); }
  .hero-headline { font-size: var(--font-size-xl); }
}