/* =============================================================
   Mailantis — zentrales Stylesheet
   Marketing-Site (Startseite, Produkt, Lösungen, Wissen,
   Preise, Kontakt, Legal). Basis für alle Pages.

   Fonts (Google Fonts, im HTML einbinden):
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?
       family=DM+Sans:wght@200;300;400;500;600;700&
       family=DM+Mono:wght@400;500&display=swap" rel="stylesheet">
   ============================================================= */


/* === 1. Reset === */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote, dl, dd { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 4; scroll-behavior: smooth; }
body {
  min-block-size: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg, video, canvas { display: block; max-inline-size: 100%; block-size: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); }
ul[role="list"], ol[role="list"] { list-style: none; }
:where(table) { border-collapse: collapse; }


/* === 2. Tokens === */
:root {
  /* Brand */
  --brand-navy:       #0A1628;
  --brand-blue:       #1D4ED8;
  --brand-blue-light: #3B82F6;
  --brand-cyan:       #0EA5E9;

  /* Neutrals */
  --off-white: #F5F7FB;
  --ink-50:    #F8FAFC;
  --ink-100:   #F1F5F9;
  --ink-200:   #E2E8F0;
  --ink-300:   #CBD5E1;
  --ink-500:   #64748B;
  --ink-600:   #475569;
  --ink-900:   #0F172A;

  /* Status */
  --status-ok:      #16A34A;
  --status-warn:    #CA8A04;
  --status-orange:  #EA580C;
  --status-fail:    #DC2626;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  /* Spacing scale */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  96px;

  /* Type scale (clamp) */
  --text-h1:      clamp(38px, 4.6vw, 60px);
  --text-h2:      clamp(28px, 3.2vw, 42px);
  --text-h3:      clamp(22px, 2.2vw, 28px);
  --text-h4:      clamp(18px, 1.6vw, 22px);
  --text-body:    16px;
  --text-lead:    clamp(16px, 1.4vw, 18px);
  --text-small:   14px;
  --text-caption: 12px;

  /* Fonts */
  --font-sans: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 120ms;
  --dur-base: 200ms;
  --dur-slow: 360ms;

  /* Layout */
  --container-max: 1180px;
  --header-h: 64px;

  /* Z-index scale */
  --z-header: 100;
  --z-drawer: 200;
  --z-cookie: 300;
}

/* Light theme — default */
:root,
[data-theme="light"] {
  --bg:           var(--off-white);
  --bg-elevated:  #FFFFFF;
  --surface:      #FFFFFF;
  --surface-2:    var(--ink-50);
  --fg:           var(--ink-900);
  --fg-muted:     var(--ink-600);
  --fg-subtle:    var(--ink-500);
  --border:       var(--ink-200);
  --border-strong:var(--ink-300);
  --link:         var(--brand-blue);
  --link-hover:   var(--brand-blue-light);

  --badge-bg:     rgba(14, 165, 233, 0.10);
  --badge-border: rgba(14, 165, 233, 0.28);
  --hero-glow:    rgba(14, 165, 233, 0.18);
  --grid-line:    rgba(10, 22, 40, 0.04);

  --shadow-sm:    0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md:    0 6px 18px rgba(15, 23, 42, 0.08);
  --shadow-lg:    0 18px 40px rgba(15, 23, 42, 0.12);
  --shadow-glow:  0 8px 24px rgba(29, 78, 216, 0.20),
                  0 0 0 1px rgba(14, 165, 233, 0.18);

  --header-bg:    rgba(255, 255, 255, 0.78);
  --footer-bg:    var(--brand-navy);
  --footer-fg:    #CBD5E1;
  --footer-fg-muted: #94A3B8;
}

/* Dark theme */
[data-theme="dark"] {
  --bg:           var(--brand-navy);
  --bg-elevated:  #0F1E36;
  --surface:      #0F1E36;
  --surface-2:    #132540;
  --fg:           #E2E8F0;
  --fg-muted:     #94A3B8;
  --fg-subtle:    #64748B;
  --border:       #1E2F4F;
  --border-strong:#2A3F66;
  --link:         var(--brand-blue-light);
  --link-hover:   var(--brand-cyan);

  --badge-bg:     rgba(14, 165, 233, 0.08);
  --badge-border: rgba(14, 165, 233, 0.22);
  --hero-glow:    rgba(14, 165, 233, 0.28);
  --grid-line:    rgba(255, 255, 255, 0.035);

  --shadow-sm:    0 1px 2px rgba(0, 0, 0, 0.30);
  --shadow-md:    0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg:    0 24px 60px rgba(0, 0, 0, 0.45);
  --shadow-glow:  0 8px 28px rgba(29, 78, 216, 0.45),
                  0 0 0 1px rgba(14, 165, 233, 0.28);

  --header-bg:    rgba(10, 22, 40, 0.78);
  --footer-bg:    #07101F;
  --footer-fg:    #94A3B8;
  --footer-fg-muted: #64748B;
}

/* Auto-Theme via OS, wenn kein data-theme gesetzt ist */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg:           var(--brand-navy);
    --bg-elevated:  #0F1E36;
    --surface:      #0F1E36;
    --surface-2:    #132540;
    --fg:           #E2E8F0;
    --fg-muted:     #94A3B8;
    --fg-subtle:    #64748B;
    --border:       #1E2F4F;
    --border-strong:#2A3F66;
    --link:         var(--brand-blue-light);
    --link-hover:   var(--brand-cyan);
    --badge-bg:     rgba(14, 165, 233, 0.08);
    --badge-border: rgba(14, 165, 233, 0.22);
    --hero-glow:    rgba(14, 165, 233, 0.28);
    --grid-line:    rgba(255, 255, 255, 0.035);
    --header-bg:    rgba(10, 22, 40, 0.78);
    --footer-bg:    #07101F;
    --footer-fg:    #94A3B8;
    --footer-fg-muted: #64748B;
  }
}


/* === 3. Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.12;
  color: var(--fg);
  text-wrap: balance;
}
h1 { font-size: var(--text-h1); letter-spacing: -0.028em; }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); line-height: 1.25; }
h5 { font-size: 16px; line-height: 1.3; }
h6 { font-size: 14px; line-height: 1.3; text-transform: uppercase; letter-spacing: 0.06em; color: var(--fg-subtle); font-family: var(--font-mono); font-weight: 500; }

p {
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--fg-muted);
  text-wrap: pretty;
}
.lead { font-size: var(--text-lead); line-height: 1.6; max-inline-size: 60ch; }
small, .small { font-size: var(--text-small); }
.caption { font-size: var(--text-caption); color: var(--fg-subtle); font-family: var(--font-mono); letter-spacing: 0.04em; }

ul, ol { padding-inline-start: 1.25em; }
ul li, ol li { margin-block: 0.35em; color: var(--fg-muted); }

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.92em;
}
code {
  padding: 0.12em 0.4em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg);
}
pre {
  padding: var(--space-4) var(--space-5);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow-x: auto;
  line-height: 1.6;
}
pre code { padding: 0; background: transparent; border: 0; }
kbd {
  font-size: 0.82em;
  padding: 0.1em 0.5em;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-block-end-width: 2px;
  border-radius: var(--radius-sm);
  color: var(--fg);
}
blockquote {
  margin-inline: 0;
  padding-inline-start: var(--space-5);
  border-inline-start: 3px solid var(--brand-cyan);
  font-style: italic;
  color: var(--fg-muted);
}

/* Inline link (when inside prose) */
:where(p, li, dd) a {
  border-block-end: 1px solid color-mix(in oklab, var(--link) 30%, transparent);
}
:where(p, li, dd) a:hover {
  border-block-end-color: var(--link-hover);
}


/* === 4. .container === */
.container {
  inline-size: 100%;
  max-inline-size: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 32px);
}


/* === 5. Grid helpers === */
.grid-2, .grid-3, .grid-4 {
  display: grid;
  gap: var(--space-5);
}
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); }


/* === 6. Buttons === */
.btn {
  --_btn-bg: transparent;
  --_btn-fg: var(--fg);
  --_btn-border: transparent;
  --_btn-shadow: none;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  border: 1px solid var(--_btn-border);
  border-radius: var(--radius-md);
  background: var(--_btn-bg);
  color: var(--_btn-fg);
  box-shadow: var(--_btn-shadow);
  cursor: pointer;
  transition:
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}
.btn:where(:hover, :focus-visible):not(:disabled) { transform: translateY(-1px); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn svg { inline-size: 18px; block-size: 18px; flex-shrink: 0; }
.btn-sm { padding: 8px 14px; font-size: 14px; border-radius: var(--radius-sm); }
.btn-lg { padding: 16px 28px; font-size: 16px; border-radius: var(--radius-lg); }

.btn-primary {
  --_btn-bg: var(--brand-blue);
  --_btn-fg: #fff;
  --_btn-shadow: 0 1px 2px rgba(15, 23, 42, 0.30), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.btn-primary:hover:not(:disabled) {
  --_btn-bg: var(--brand-blue-light);
  --_btn-shadow: var(--shadow-glow);
}

.btn-secondary {
  --_btn-bg: var(--bg-elevated);
  --_btn-fg: var(--fg);
  --_btn-border: var(--border-strong);
}
.btn-secondary:hover:not(:disabled) {
  --_btn-bg: var(--surface-2);
  --_btn-border: var(--brand-cyan);
}

.btn-ghost {
  --_btn-bg: transparent;
  --_btn-fg: var(--fg);
}
.btn-ghost:hover:not(:disabled) {
  --_btn-bg: color-mix(in oklab, var(--fg) 6%, transparent);
}

/* BEM aliases — used on product/pricing/solution pages */
.btn--primary {
  --_btn-bg: var(--brand-blue);
  --_btn-fg: #fff;
  --_btn-shadow: 0 1px 2px rgba(15, 23, 42, 0.30), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.btn--primary:hover:not(:disabled) {
  --_btn-bg: var(--brand-blue-light);
  --_btn-shadow: var(--shadow-glow);
}
.btn--secondary {
  --_btn-bg: var(--bg-elevated);
  --_btn-fg: var(--fg);
  --_btn-border: var(--border-strong);
}
.btn--secondary:hover:not(:disabled) {
  --_btn-bg: var(--surface-2);
  --_btn-border: var(--brand-cyan);
}

/* Dark Final-CTA sections (.prc-final, .prd-final) — ensure both button styles
   remain readable against the fixed dark navy background. */
.prc-final .btn--secondary,
.prd-final .btn--secondary,
.prc-final .btn-secondary,
.prd-final .btn-secondary {
  --_btn-bg: rgba(255, 255, 255, 0.08);
  --_btn-fg: #fff;
  --_btn-border: rgba(255, 255, 255, 0.25);
}
.prc-final .btn--secondary:hover,
.prd-final .btn--secondary:hover,
.prc-final .btn-secondary:hover,
.prd-final .btn-secondary:hover {
  --_btn-bg: rgba(255, 255, 255, 0.14);
  --_btn-border: rgba(255, 255, 255, 0.5);
}


/* === 7. .badge === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-cyan);
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-pill);
}
.badge--ok    { color: var(--status-ok);     background: color-mix(in oklab, var(--status-ok) 12%, transparent);    border-color: color-mix(in oklab, var(--status-ok) 30%, transparent); }
.badge--warn  { color: var(--status-warn);   background: color-mix(in oklab, var(--status-warn) 14%, transparent);  border-color: color-mix(in oklab, var(--status-warn) 32%, transparent); }
.badge--fail  { color: var(--status-fail);   background: color-mix(in oklab, var(--status-fail) 12%, transparent);  border-color: color-mix(in oklab, var(--status-fail) 30%, transparent); }
.badge--info  { color: var(--brand-blue-light); background: color-mix(in oklab, var(--brand-blue-light) 12%, transparent); border-color: color-mix(in oklab, var(--brand-blue-light) 30%, transparent); }


/* === 8. .card === */
.card {
  --_card-bg: var(--surface);
  display: block;
  padding: var(--space-5);
  background: var(--_card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
  text-decoration: none;
  color: inherit;
}
.card:where(a, button):hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}
.card-title { font-size: 17px; font-weight: 600; margin-block-end: 6px; color: var(--fg); }
.card-text  { font-size: 14.5px; line-height: 1.55; color: var(--fg-muted); margin: 0; }
.card-meta  { margin-block-start: var(--space-4); font-family: var(--font-mono); font-size: 12px; color: var(--fg-subtle); }


/* === 9. Forms === */
.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-block-end: var(--space-4);
}
.form-row > label {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg);
}
.form-hint { font-size: 12px; color: var(--fg-subtle); }

.input,
.textarea,
.select {
  inline-size: 100%;
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--fg);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.input::placeholder, .textarea::placeholder { color: var(--fg-subtle); }
.input:focus,
.textarea:focus,
.select:focus {
  border-color: var(--brand-cyan);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--brand-cyan) 18%, transparent);
}
.textarea { min-block-size: 120px; resize: vertical; line-height: 1.55; }
.select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--fg-muted) 50%),
                    linear-gradient(135deg, var(--fg-muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-inline-end: 36px;
}

/* Checkbox — custom */
.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  color: var(--fg);
}
.checkbox input { position: absolute; opacity: 0; pointer-events: none; }
.checkbox-box {
  inline-size: 18px;
  block-size: 18px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.checkbox-box::after {
  content: "";
  inline-size: 10px;
  block-size: 6px;
  border-inline-start: 2px solid #fff;
  border-block-end: 2px solid #fff;
  transform: rotate(-45deg) scale(0);
  transition: transform var(--dur-fast) var(--ease-out);
  margin-block-end: 2px;
}
.checkbox input:checked + .checkbox-box {
  background: var(--brand-blue);
  border-color: var(--brand-blue);
}
.checkbox input:checked + .checkbox-box::after { transform: rotate(-45deg) scale(1); }
.checkbox input:focus-visible + .checkbox-box {
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand-cyan) 30%, transparent);
}

/* Inline error state — :has() */
.form-row:has([aria-invalid="true"]) > label { color: var(--status-fail); }
.form-row:has([aria-invalid="true"]) :where(.input, .textarea, .select) {
  border-color: var(--status-fail);
}
.form-row:has([aria-invalid="true"]) :where(.input, .textarea, .select):focus {
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--status-fail) 18%, transparent);
}
.form-error {
  font-size: 12px;
  color: var(--status-fail);
  display: none;
}
.form-row:has([aria-invalid="true"]) .form-error { display: block; }


/* === 10. .status-dot === */
.status-dot {
  --_dot: var(--brand-cyan);
  display: inline-block;
  inline-size: 8px;
  block-size: 8px;
  border-radius: 50%;
  background: var(--_dot);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--_dot) 60%, transparent);
  animation: status-pulse 2s var(--ease-out) infinite;
}
.status-dot--ok    { --_dot: var(--status-ok); }
.status-dot--warn  { --_dot: var(--status-warn); }
.status-dot--fail  { --_dot: var(--status-fail); }
.status-dot--info  { --_dot: var(--brand-blue-light); }
@keyframes status-pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in oklab, var(--_dot) 55%, transparent); }
  70%  { box-shadow: 0 0 0 9px color-mix(in oklab, var(--_dot) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--_dot) 0%, transparent); }
}


/* === 11. .site-header === */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-header);
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  backdrop-filter: saturate(150%) blur(12px);
  border-block-end: 1px solid var(--border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  block-size: var(--header-h);
}
.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.site-header__brand img { inline-size: 28px; block-size: 28px; }
.site-header__brand .logo[hidden] { display: none; }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-inline-start: auto;
}
.site-nav > a,
.site-nav .nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  min-block-size: 40px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.site-nav > a:hover,
.site-nav > a[aria-current="page"],
.site-nav .nav-trigger:hover,
.site-nav .nav-trigger[aria-current="page"] {
  color: var(--fg);
  background: color-mix(in oklab, var(--fg) 6%, transparent);
}
.site-nav .nav-trigger svg {
  inline-size: 14px;
  block-size: 14px;
  transition: transform var(--dur-fast) var(--ease-out);
}
.site-nav .nav-item.is-open .nav-trigger svg { transform: rotate(180deg); }
.site-nav .nav-item.is-open .nav-trigger { color: var(--fg); background: color-mix(in oklab, var(--fg) 6%, transparent); }

/* === 11b. Nav dropdowns (Desktop) === */
.nav-item {
  position: relative;
}
.nav-item--has-menu .nav-menu {
  position: absolute;
  inset-block-start: calc(100% + 6px);
  inset-inline-start: 0;
  min-inline-size: 240px;
  margin: 0;
  padding: var(--space-2);
  list-style: none;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition:
    opacity var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
  z-index: var(--z-header);
}
.nav-item--has-menu.is-open .nav-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.nav-menu li { margin: 0; }
.nav-menu a {
  display: block;
  padding: 9px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--fg);
  background: color-mix(in oklab, var(--brand-cyan) 10%, transparent);
}

.site-header__actions { display: flex; align-items: center; gap: var(--space-2); margin-inline-start: var(--space-3); }

/* === 11c. Theme toggle (kreisförmig 40×40) === */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 40px;
  block-size: 40px;
  padding: 0;
  color: var(--fg-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  transition:
    color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
}
.theme-toggle:hover {
  color: var(--fg);
  border-color: var(--border-strong);
  background: color-mix(in oklab, var(--fg) 6%, transparent);
}
.theme-toggle [data-theme-icon] { display: inline-flex; }
.theme-toggle svg { inline-size: 18px; block-size: 18px; }
.theme-toggle [data-theme-label] {
  /* Label akustisch / SR-only — Spec: Icon zentriert. */
  position: absolute !important;
  inline-size: 1px; block-size: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* === 11d. Mobile burger === */
.site-header__burger {
  display: none;
  inline-size: 40px;
  block-size: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg);
  background: transparent;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.site-header__burger:hover {
  background: color-mix(in oklab, var(--fg) 6%, transparent);
  border-color: var(--border-strong);
}
.site-header__burger svg { inline-size: 20px; block-size: 20px; }

@media (max-width: 900px) {
  .site-nav { display: none; }
  .site-header__actions .btn { display: none; }
  .site-header__burger { display: inline-flex; }
}

/* === 11e. Mobile drawer (off-canvas, slide-in von rechts) === */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  display: grid;
  grid-template-columns: 1fr min(90vw, 360px);
  background: rgba(10, 22, 40, 0.55);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
}
.mobile-drawer[hidden] { display: none; }
.site-header[data-nav-open="true"] .mobile-drawer {
  opacity: 1;
  pointer-events: auto;
}
.mobile-drawer::before {
  content: "";
  display: block;
  /* Klick-Bereich für Outside-Click-Close (Backdrop) */
}
.mobile-drawer__head,
.mobile-drawer__nav {
  background: var(--bg-elevated);
}
.mobile-drawer__head {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  block-size: var(--header-h);
  border-block-end: 1px solid var(--border);
  transform: translateX(100%);
  transition: transform var(--dur-base) var(--ease-out);
}
.mobile-drawer__nav {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-4);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--dur-base) var(--ease-out);
}
.site-header[data-nav-open="true"] .mobile-drawer__head,
.site-header[data-nav-open="true"] .mobile-drawer__nav {
  transform: translateX(0);
}
.mobile-drawer__title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-subtle);
}
.mobile-drawer__nav > a,
.mobile-drawer__nav details > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px;
  min-block-size: 44px;
  font-size: 16px;
  font-weight: 500;
  color: var(--fg);
  border-radius: var(--radius-md);
  cursor: pointer;
  list-style: none;
  transition: background var(--dur-fast) var(--ease-out);
}
.mobile-drawer__nav > a:hover,
.mobile-drawer__nav details > summary:hover {
  background: color-mix(in oklab, var(--fg) 6%, transparent);
}
.mobile-drawer__nav details > summary::-webkit-details-marker { display: none; }
.mobile-drawer__nav details > summary svg {
  inline-size: 16px;
  block-size: 16px;
  color: var(--fg-subtle);
  transition: transform var(--dur-fast) var(--ease-out);
}
.mobile-drawer__nav details[open] > summary svg { transform: rotate(180deg); }
.mobile-drawer__nav details ul {
  list-style: none;
  padding: 4px 0 8px 12px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-inline-start: 1px solid var(--border);
  margin-inline-start: 14px;
}
.mobile-drawer__nav details ul li { margin: 0; }
.mobile-drawer__nav details ul a {
  display: block;
  padding: 10px 14px;
  min-block-size: 44px;
  font-size: 15px;
  color: var(--fg-muted);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.mobile-drawer__nav details ul a:hover {
  color: var(--fg);
  background: color-mix(in oklab, var(--brand-cyan) 10%, transparent);
}


/* === 12. .site-footer === */
.site-footer {
  margin-block-start: var(--space-9);
  padding-block: var(--space-8) var(--space-6);
  background: var(--footer-bg);
  color: var(--footer-fg);
}
.site-footer a { color: var(--footer-fg); }
.site-footer a:hover { color: #fff; }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-6);
  margin-block-end: var(--space-7);
}
.site-footer__grid--5 {
  grid-template-columns: 1.4fr repeat(4, 1fr);
}
.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--footer-fg-muted);
  margin-block-end: var(--space-3);
}
.site-footer ul { list-style: none; padding: 0; display: grid; gap: 8px; margin: 0; }
.site-footer ul li { margin: 0; color: var(--footer-fg); }
.site-footer ul a {
  font-size: 14px;
  transition: color var(--dur-fast) var(--ease-out);
}
.site-footer ul a:hover { color: var(--brand-cyan); }

/* Footer-Spalten als <details> (mobil = Akkordeon, desktop = offen statisch) */
.footer-col { display: block; }
.footer-col > summary {
  list-style: none;
  cursor: default;
  padding: 0;
  margin-block-end: var(--space-3);
}
.footer-col > summary::-webkit-details-marker { display: none; }
.footer-col > summary > h4 { margin: 0; }
@media (max-width: 900px) {
  .footer-col > summary { cursor: pointer; }
  .footer-col {
    border-block-end: 1px solid rgba(255, 255, 255, 0.08);
    padding-block: var(--space-3);
  }
  .footer-col > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-block-end: 0;
    padding-block: 6px;
    min-block-size: 44px;
  }
  .footer-col > summary::after {
    content: "";
    inline-size: 10px;
    block-size: 10px;
    border-inline-end: 1.5px solid var(--footer-fg-muted);
    border-block-end: 1.5px solid var(--footer-fg-muted);
    transform: rotate(45deg);
    margin-inline-start: 8px;
    transition: transform var(--dur-fast) var(--ease-out);
  }
  .footer-col[open] > summary::after { transform: rotate(-135deg); }
  .footer-col[open] > ul { padding-block-start: var(--space-3); }
}
.site-footer__brand { display: flex; flex-direction: column; gap: var(--space-3); max-inline-size: 320px; }
.site-footer__brand p { font-size: 14px; color: var(--footer-fg-muted); }

.eu-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: #FFD43B;
  background: rgba(255, 212, 59, 0.08);
  border: 1px solid rgba(255, 212, 59, 0.28);
  border-radius: var(--radius-pill);
  inline-size: max-content;
}
.eu-badge svg {
  inline-size: 18px;
  block-size: 18px;
  flex-shrink: 0;
}

.lang-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
}
.lang-switch button {
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--footer-fg-muted);
  border-radius: var(--radius-pill);
}
.lang-switch button[aria-pressed="true"] {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.lang-switch button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  align-items: center;
  justify-content: space-between;
  padding-block-start: var(--space-5);
  border-block-start: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--footer-fg-muted);
}
.site-footer__legal { display: flex; gap: var(--space-4); flex-wrap: wrap; }

@media (max-width: 900px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-5); }
}


/* === 13. Skip link === */
.skip-link {
  position: absolute;
  inset-inline-start: var(--space-3);
  inset-block-start: var(--space-3);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  background: var(--brand-blue);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
  transition: transform var(--dur-base) var(--ease-out);
  z-index: calc(var(--z-cookie) + 10);
}
.skip-link:focus { transform: translateY(0); }

/* === 13b. Cookie banner === */
.cookie-banner {
  position: fixed;
  inset: auto var(--space-4) var(--space-4) auto;
  inline-size: min(380px, calc(100vw - 32px));
  margin: 0;
  padding: 0;
  background: var(--bg-elevated);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-cookie);
  /* Kein modaler Backdrop */
}
.cookie-banner::backdrop { background: transparent; }
.cookie-banner[open] { display: block; }
.cookie-banner__inner {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.cookie-banner__inner h4 {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  color: var(--fg);
}
.cookie-banner__inner p {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--fg-muted);
  margin: 0;
}
.cookie-banner__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}
@media (max-width: 640px) {
  .cookie-banner {
    inset: auto 0 0 0;
    inline-size: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border-block-end: 0;
  }
}


/* === 14. .visually-hidden === */
.visually-hidden,
.sr-only {
  position: absolute !important;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


/* === 15. Focus ring (global) === */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.btn:focus-visible {
  outline-offset: 3px;
  box-shadow: var(--shadow-glow);
}


/* === 16. Reduced motion === */
@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;
  }
  .status-dot { animation: none !important; }
}