/* Snable — Website-Stil (Phase F).
   Design-System "Bernstein auf Porzellan". Tokens gespiegelt aus
   docs/design/snable-tokens.json (Quelle der Wahrheit). Klare, neutrale
   Porzellan-Basis + Graphit-Ink, Bernstein als EINZIGER disziplinierter
   Akzent. Fonts self-hosted (DSGVO, siehe ../fonts/README.md).
   Qualitaets-Constraints: sichtbarer Fokus, prefers-reduced-motion, WCAG AA. */

/* ---------- Fonts (self-hosted, kein Drittanbieter-Request) ---------- */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400;
  font-display: swap; src: url("../fonts/inter-400.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500;
  font-display: swap; src: url("../fonts/inter-500.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600;
  font-display: swap; src: url("../fonts/inter-600.woff2") format("woff2"); }
@font-face { font-family: "Space Grotesk"; font-style: normal; font-weight: 500;
  font-display: swap; src: url("../fonts/space-grotesk-500.woff2") format("woff2"); }
@font-face { font-family: "Space Grotesk"; font-style: normal; font-weight: 600;
  font-display: swap; src: url("../fonts/space-grotesk-600.woff2") format("woff2"); }
@font-face { font-family: "Space Grotesk"; font-style: normal; font-weight: 700;
  font-display: swap; src: url("../fonts/space-grotesk-700.woff2") format("woff2"); }

/* ---------- Tokens ---------- */
:root {
  /* Basis & Text */
  --color-ink: #1C1A17;
  --color-muted: #6E6A63;
  --color-canvas: #FCFBFA;
  --color-surface: #F4F2ED;
  --color-card: #FFFFFF;
  --color-border: #E6E2DB;
  --color-border-strong: #C9C3B8;

  /* Bernstein (Signatur) */
  --color-amber: #D8932B;
  --color-amber-hover: #BC7D1E;
  --color-amber-deep: #925A12;
  --color-amber-tint: #FAF2E2;
  --color-amber-darkest: #6C430E;

  /* Status */
  --color-success: #2E7D5B;
  --color-success-deep: #1F5B41;
  --color-success-tint: #E6F1EC;
  --color-error: #B42318;
  --color-error-tint: #FDE8E8;

  /* Fokus */
  --color-focus: var(--color-amber-deep);

  /* Typografie */
  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  /* Abstand / Radius / Layout */
  --space-4: 1rem; --space-5: 1.5rem; --space-6: 2rem; --space-7: 3rem; --space-9: 6rem;
  --radius-sm: 0.5rem; --radius-md: 0.75rem; --radius-lg: 1rem; --radius-xl: 1.5rem;
  --radius-pill: 999px;
  --radius: var(--radius-md);
  --max-width: 72rem;
  --prose-width: 46rem;

  /* Schatten (sparsam, weich) */
  --shadow-sm: 0 1px 2px rgba(28,26,23,0.04), 0 1px 3px rgba(28,26,23,0.06);
  --shadow-md: 0 4px 12px rgba(28,26,23,0.06), 0 2px 4px rgba(28,26,23,0.04);
}

/* ---------- Reset / Basis ---------- */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
h3 { font-family: var(--font-body); font-weight: 600; line-height: 1.3; }
p { margin: 0 0 1rem; }
a { color: var(--color-amber-deep); }

.site-header,
.site-footer,
main {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 1rem 1.25rem;
}

/* ---------- Signature: Bernstein-Markierung ---------- */
/* Ein kurzer, weicher Akzent-Balken markiert GENAU einen Fokuspunkt. */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-amber-deep);
  margin: 0 0 0.5rem;
}
.eyebrow::before {
  content: "";
  width: 16px; height: 4px;
  background: var(--color-amber);
  border-radius: var(--radius-pill);
}

/* ---------- Header / Navigation ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: inherit;
}
.brand-mark { width: 30px; height: 30px; display: block; }
.brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}
.site-nav { display: flex; align-items: center; gap: 1.25rem; }
.site-nav a { text-decoration: none; color: var(--color-ink); font-weight: 500; }
.site-nav a:hover { color: var(--color-amber-deep); }
.nav-lang { font-weight: 600; color: var(--color-muted); letter-spacing: 0.02em; }
.nav-cta {
  background: var(--color-amber);
  color: var(--color-ink) !important;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
}
.nav-cta:hover { background: var(--color-amber-hover); color: var(--color-ink) !important; }

/* ---------- Hero (ein starker Fokuspunkt) ---------- */
.hero { padding-block: var(--space-9) var(--space-7); max-width: 54rem; }
.hero h1 { font-size: clamp(2.2rem, 1.4rem + 3.4vw, 3.4rem); margin: 0 0 1rem; max-width: 20ch; }
.hero h1::before {
  content: "";
  display: block;
  width: 52px; height: 6px;
  background: var(--color-amber);
  border-radius: var(--radius-pill);
  margin-bottom: 1.4rem;
}
.hero-sub { font-size: 1.2rem; color: var(--color-muted); max-width: 44rem; line-height: 1.55; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.3rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid transparent;
  transition: background var(--dur, 200ms) ease, border-color 200ms ease, color 200ms ease;
}
.btn-primary { background: var(--color-amber); color: var(--color-ink); }
.btn-primary:hover { background: var(--color-amber-hover); }
.btn-secondary { background: transparent; border-color: var(--color-border-strong); color: var(--color-ink); }
.btn-secondary:hover { background: var(--color-surface); border-color: var(--color-ink); }

/* ---------- Sektionen ---------- */
.section { padding-block: var(--space-7); border-top: 1px solid var(--color-border); }
.section h2 { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem); margin: 0 0 1rem; max-width: 24ch; }
.section > p:not(.eyebrow) { color: var(--color-muted); max-width: var(--prose-width); }

.two-col { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); }
.two-col p { color: var(--color-muted); }

/* Funktionsweise (Schritte) */
.steps {
  list-style: none; padding: 0; margin: 1.5rem 0 0;
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}
.steps li {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.steps h3 { margin: 0.75rem 0 0.35rem; font-size: 1.1rem; }
.steps p { margin: 0; color: var(--color-muted); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem; border-radius: var(--radius-md);
  background: var(--color-amber-tint); color: var(--color-amber-deep);
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
}

/* Nutzen (Cards) */
.cards { display: grid; gap: 1.25rem; margin-top: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.card h3 { margin-top: 0; font-size: 1.1rem; }
.card p { margin-bottom: 0; color: var(--color-muted); }

/* ---------- Wettbewerbsvergleich ("Warum Snable") ---------- */
.compare-intro { color: var(--color-muted); max-width: var(--prose-width); margin-top: 0; }
.compare-grid { display: grid; gap: 1rem; margin-top: 1.75rem; }
.compare-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  background: var(--color-card);
}
.compare-card h3 { margin: 0 0 1rem; font-size: 1.15rem; }
.compare-cols { display: grid; gap: 0.85rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.compare-col { border-radius: var(--radius-md); padding: 1rem 1.1rem; }
.compare-col p { margin: 0; }
.compare-col-label {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 0.4rem !important;
}
.compare-others { background: var(--color-surface); }
.compare-others .compare-col-label { color: var(--color-muted); }
.compare-others p:last-child { color: var(--color-muted); }
.compare-snable {
  background: var(--color-amber-tint);
  border: 1px solid var(--color-amber);
}
.compare-snable .compare-col-label { color: var(--color-amber-deep); }

/* Zeitersparnis-Beispielrechnung (klar als Beispiel gekennzeichnet) */
.timesave {
  margin-top: 1.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  background: var(--color-card);
  max-width: var(--prose-width);
}
.timesave h3 { margin: 0 0 0.6rem; font-size: 1.15rem; }
.timesave p { margin: 0; }
.timesave-note {
  margin-top: 0.6rem !important;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* ---------- Preise ---------- */
.pricing { display: grid; gap: 1.25rem; margin-top: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.plan {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
}
.plan-premium { border: 1.5px solid var(--color-amber); box-shadow: var(--shadow-sm); }
.plan-premium::before {
  content: "";
  position: absolute; top: 1.75rem; left: 0;
  width: 4px; height: 1.5rem;
  background: var(--color-amber);
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
}
.plan h3 { font-size: 1.2rem; margin: 0 0 0.25rem; }
.plan .price { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; margin: 0.25rem 0 1.25rem; letter-spacing: -0.02em; }
.plan .period { font-family: var(--font-body); font-size: 0.85rem; font-weight: 400; color: var(--color-muted); }
.plan ul { padding-left: 1.1rem; margin: 0 0 1.5rem; color: var(--color-muted); }
.plan ul li { margin-bottom: 0.4rem; }
.plan-badge {
  position: absolute; top: -0.7rem; right: 1rem;
  background: var(--color-amber); color: var(--color-ink);
  font-size: 0.72rem; font-weight: 700; padding: 0.25rem 0.7rem; border-radius: var(--radius-pill); margin: 0;
}
.pricing-note { color: var(--color-muted); font-size: 0.9rem; margin-top: 1.25rem; }

/* ---------- FAQ ---------- */
.faq { max-width: 48rem; margin-top: 1.5rem; }
.faq details { border-bottom: 1px solid var(--color-border); padding: 0.9rem 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; }
.faq summary::marker { color: var(--color-amber-deep); }
.faq p { color: var(--color-muted); margin: 0.6rem 0 0; }

/* ---------- Download ---------- */
.downloads { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.25rem 0; }
.download-recommended { border-color: var(--color-amber); border-width: 2px; }
.download-badge {
  display: inline-block; margin-left: 0.5rem;
  background: var(--color-amber); color: var(--color-ink);
  font-size: 0.7rem; font-weight: 700; padding: 0.12rem 0.5rem; border-radius: var(--radius-pill);
}
.download-note { color: var(--color-muted); font-size: 0.9rem; }

/* ---------- Auth-Formulare ---------- */
.auth { max-width: 27rem; padding-block: var(--space-7); }
.auth h1 { font-size: clamp(1.8rem, 1.4rem + 1.4vw, 2.3rem); margin: 0 0 0.5rem; }
.auth-form { display: grid; gap: 1.1rem; margin: 1.5rem 0; }
.field { display: grid; gap: 0.35rem; }
.field span { font-weight: 600; font-size: 0.95rem; }
.field input {
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font: inherit; width: 100%;
  background: var(--color-card);
  color: var(--color-ink);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.field input:hover { border-color: var(--color-ink); }
.field input:focus {
  outline: none;
  border-color: var(--color-amber-deep);
  box-shadow: 0 0 0 3px var(--color-amber-tint);
}
.field-hint { color: var(--color-muted); font-size: 0.85rem; }
.check { display: flex; align-items: flex-start; gap: 0.55rem; font-size: 0.95rem; color: var(--color-muted); }
.check input { margin-top: 0.15rem; accent-color: var(--color-amber); }
.form-error {
  background: var(--color-error-tint);
  color: var(--color-error);
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  font-weight: 500;
}
.auth-alt { color: var(--color-muted); font-size: 0.95rem; }
.auth-alt a { color: var(--color-amber-deep); font-weight: 600; }
.auth-links { display: flex; justify-content: flex-end; margin-top: -0.4rem; }
.auth-links a { color: var(--color-amber-deep); font-size: 0.9rem; font-weight: 600; text-decoration: none; }
.auth-links a:hover { text-decoration: underline; }
.form-success {
  background: var(--color-amber-tint);
  color: var(--color-ink);
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  font-weight: 500;
}

/* Passwortfeld mit Sichtbar/Verdeckt-Umschalter */
.pw-field { position: relative; display: flex; align-items: center; }
.pw-field input { padding-right: 2.9rem; }
.pw-toggle {
  position: absolute; right: 0.35rem;
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.1rem; height: 2.1rem; padding: 0;
  background: transparent; border: none; cursor: pointer;
  color: var(--color-muted); border-radius: var(--radius-md);
  transition: color 160ms ease, background 160ms ease;
}
.pw-toggle:hover { color: var(--color-ink); }
.pw-toggle:focus-visible {
  outline: none; color: var(--color-ink);
  box-shadow: 0 0 0 3px var(--color-amber-tint);
}
.pw-toggle .pw-icon-hide { display: none; }
.pw-toggle.is-visible .pw-icon-show { display: none; }
.pw-toggle.is-visible .pw-icon-hide { display: inline; }

/* ---------- Legal ---------- */
.legal { max-width: var(--prose-width); padding-block: var(--space-7); }
.legal h1 { font-size: clamp(1.8rem, 1.4rem + 1.4vw, 2.3rem); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--color-border); color: var(--color-muted); margin-top: var(--space-6); }
.footer-legal { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-bottom: 0.6rem; }
.footer-legal a { color: var(--color-muted); text-decoration: none; }
.footer-legal a:hover { color: var(--color-amber-deep); }
.footer-copy { font-size: 0.9rem; }

/* ---------- Zugaenglichkeit ---------- */
/* Skip-Link: nur sichtbar bei Tastatur-Fokus. */
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus {
  left: 1rem; top: 1rem; z-index: 10;
  background: var(--color-card); color: var(--color-ink);
  padding: 0.6rem 0.9rem; border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* Sichtbarer Tastatur-Fokus (globales Qualitaets-Constraint). */
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; border-radius: 2px; }

/* Reduzierte Bewegung respektieren. */
@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;
  }
}

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .site-header { flex-wrap: wrap; }
  .site-nav { gap: 0.9rem; }
  .hero { padding-block: var(--space-7) var(--space-6); }
  .section { padding-block: var(--space-6); }
}