/* ============================================================================
   EA-Rechnung — Website
   Markenpalette aus der Projektbeschreibung: #293033 #14664A #24B383 #62D9B1 #E6F2EE
   Schrift: Muli (Hausschrift, selbst gehostet, SIL Open Font License — siehe
   assets/fonts/OFL.txt). Kein Google-Fonts-Aufruf, damit keine Besucher-IP an
   Dritte übertragen wird. Überschriften nutzen die lokal vorhandene Serif.
   ========================================================================== */

@font-face {
  font-family: "Muli";
  src: url("/assets/fonts/Muli-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Muli";
  src: url("/assets/fonts/Muli-RegularItalic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Muli";
  src: url("/assets/fonts/Muli-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Muli";
  src: url("/assets/fonts/Muli-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens: Hell (Standard) ---------- */
:root {
  --brand-900: #0d3f2e;
  --brand-800: #14664a;
  --brand-600: #1c8a63;
  --brand-500: #24b383;
  --brand-300: #62d9b1;
  --brand-050: #e6f2ee;

  --ground:      #fcfcfa;
  --surface:     #ffffff;
  --surface-alt: #f3f5f2;
  --ink:         #1a201d;
  --ink-soft:    #4a544e;
  --ink-faint:   #78827b;
  --rule:        #e1e5e0;
  --rule-strong: #c8cfc9;

  --accent:      var(--brand-800);
  --accent-ink:  #ffffff;
  --accent-soft: var(--brand-050);

  --danger:      #a3231c;
  --danger-soft: #fbecea;

  --radius:   6px;
  --radius-l: 12px;
  --shadow:   0 1px 2px rgba(26, 32, 29, .05), 0 8px 24px -12px rgba(26, 32, 29, .12);

  --font-display: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --font-body:    "Muli", "Segoe UI", system-ui, -apple-system, sans-serif;

  --shell:  74rem;
  --narrow: 62rem;
}

/* ---------- Tokens: Dunkel (Systemeinstellung) ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --ground:      #121614;
    --surface:     #191e1c;
    --surface-alt: #202724;
    --ink:         #e9ece9;
    --ink-soft:    #b2bab5;
    --ink-faint:   #838d87;
    --rule:        #2b332f;
    --rule-strong: #3d4741;

    --accent:      var(--brand-300);
    --accent-ink:  #0d201a;
    --accent-soft: #16302a;

    --danger:      #f0857c;
    --danger-soft: #331a19;

    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px -14px rgba(0, 0, 0, .6);
  }
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; }

a { color: var(--brand-800); text-decoration-thickness: 1px; text-underline-offset: 2px; }
@media (prefers-color-scheme: dark) { a { color: var(--brand-300); } }

:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: .7rem 1.1rem;
  z-index: 100;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: 1.4rem;
}

/* ---------- Typografie ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -.015em;
  line-height: 1.15;
  text-wrap: balance;
  margin: 0 0 .7rem;
}

h1 { font-size: clamp(2.15rem, 5.2vw, 3.5rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.16rem; font-family: var(--font-body); font-weight: 700; letter-spacing: -.005em; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

.kicker {
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brand-600);
  margin-bottom: .9rem;
}
@media (prefers-color-scheme: dark) { .kicker { color: var(--brand-300); } }

.lede, .section-lede {
  font-size: clamp(1.06rem, 1.9vw, 1.22rem);
  color: var(--ink-soft);
  max-width: 46ch;
  line-height: 1.55;
}
.section-lede { max-width: 60ch; margin-bottom: 2.6rem; }

/* ---------- Kopfzeile ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.2rem;
}

.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: inherit; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: var(--radius);
  background: var(--brand-800);
  color: #fff;
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .04em;
  flex: none;
}
.brand-mark.small { width: 1.9rem; height: 1.9rem; font-size: .7rem; }

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1.02rem; letter-spacing: -.01em; }
.brand-sub { font-size: .74rem; color: var(--ink-faint); }

.site-nav { display: flex; align-items: center; gap: 1.5rem; }
.site-nav a { color: var(--ink-soft); text-decoration: none; font-size: .93rem; font-weight: 600; }
.site-nav a:hover { color: var(--ink); }

.nav-cta {
  background: var(--accent);
  color: var(--accent-ink) !important;
  padding: .5rem .95rem;
  border-radius: var(--radius);
}
.nav-cta:hover { background: var(--brand-600); }

@media (max-width: 46rem) {
  .site-nav a:not(.nav-cta) { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  padding: .85rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .15s ease, border-color .15s ease, transform .15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--brand-600); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn-ghost:hover { border-color: var(--ink-faint); background: var(--surface-alt); }

.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4.5rem); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 60rem) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.8rem 0 1rem; }
.hero-note { font-size: .88rem; color: var(--ink-faint); }

/* ---------- Journal (Produktbild) ---------- */
.journal {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.journal-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 1.1rem;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--rule);
}
.journal-title { font-weight: 700; font-size: .93rem; }
.journal-year { font-size: .78rem; color: var(--ink-faint); }

.journal-table { width: 100%; border-collapse: collapse; font-size: .87rem; }
.journal-table th, .journal-table td {
  text-align: left;
  padding: .6rem 1.1rem;
  border-bottom: 1px solid var(--rule);
}
.journal-table th {
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 700;
}
.journal-table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.journal-table tbody td:first-child { font-variant-numeric: tabular-nums; color: var(--ink-faint); font-size: .81rem; }
.journal-table tr.in  .num { color: var(--brand-600); font-weight: 600; }
.journal-table tr.out .num { color: var(--ink-soft); }
@media (prefers-color-scheme: dark) { .journal-table tr.in .num { color: var(--brand-300); } }

.journal-table tr.locked td { background: color-mix(in srgb, var(--accent-soft) 55%, transparent); }

.tag-afa {
  display: inline-block;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .1rem .4rem;
  margin-left: .35rem;
  border-radius: 3px;
  background: var(--brand-800);
  color: #fff;
  vertical-align: .08em;
}

.journal-table tfoot td {
  border-bottom: none;
  border-top: 2px solid var(--rule-strong);
  font-weight: 700;
  background: var(--surface-alt);
}
.journal-table tfoot .strong { font-size: 1rem; }

.journal figcaption {
  padding: .85rem 1.1rem;
  font-size: .79rem;
  color: var(--ink-faint);
  line-height: 1.5;
  border-top: 1px solid var(--rule);
}
.lock { font-size: .8em; }

/* ---------- Bänder ---------- */
.band { padding: clamp(3rem, 7vw, 5.5rem) 0; border-top: 1px solid var(--rule); }
.band.alt { background: var(--surface-alt); }

/* ---------- Vergleich ---------- */
.compare {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1.2rem;
}

.compare-col {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-l);
  padding: 1.5rem 1.6rem;
}
.compare-col.accent {
  border-color: var(--brand-500);
  box-shadow: var(--shadow);
}
.compare-col h3 { margin-bottom: 1rem; }

ul.list-plus, ul.list-minus { list-style: none; margin: 0; padding: 0; }
ul.list-plus li, ul.list-minus li {
  position: relative;
  padding-left: 1.7rem;
  margin-bottom: .65rem;
  font-size: .95rem;
  line-height: 1.5;
}
ul.list-plus li:last-child, ul.list-minus li:last-child { margin-bottom: 0; }

ul.list-plus li::before {
  content: "";
  position: absolute;
  left: .15rem;
  top: .55rem;
  width: .72rem;
  height: .4rem;
  border-left: 2px solid var(--brand-500);
  border-bottom: 2px solid var(--brand-500);
  transform: rotate(-45deg);
}

ul.list-minus li::before {
  content: "";
  position: absolute;
  left: .15rem;
  top: .68rem;
  width: .7rem;
  height: 2px;
  background: var(--rule-strong);
}

/* ---------- Funktionen ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius-l);
  overflow: hidden;
}

.feature { background: var(--surface); padding: 1.5rem 1.6rem; }
.feature h3 { margin-bottom: .5rem; }
.feature p { font-size: .93rem; color: var(--ink-soft); margin: 0; }

/* ---------- Preise ---------- */
.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.2rem;
  align-items: start;
}

.plan {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-l);
  padding: 1.6rem 1.7rem;
}
.plan-featured {
  border-color: var(--brand-500);
  border-width: 2px;
  box-shadow: var(--shadow);
}

.plan-badge {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--brand-800);
  background: var(--accent-soft);
  display: inline-block;
  padding: .22rem .55rem;
  border-radius: 3px;
  margin-bottom: .8rem;
}
@media (prefers-color-scheme: dark) { .plan-badge { color: var(--brand-300); } }

.plan h3 { margin-bottom: .15rem; font-size: 1.25rem; }
.plan-sub { font-size: .87rem; color: var(--ink-faint); margin-bottom: 1.1rem; }

.plan-price { display: flex; align-items: baseline; gap: .4rem; margin-bottom: 1.3rem; }
.plan-price .amount {
  font-family: var(--font-display);
  font-size: 2.7rem;
  font-weight: 500;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.plan-price .unit { font-size: .88rem; color: var(--ink-faint); }

.pricing-note {
  margin-top: 1.8rem;
  font-size: .9rem;
  color: var(--ink-faint);
  max-width: 62ch;
}

/* ---------- Formular ---------- */
.form-band { border-top: 1px solid var(--rule); background: var(--surface-alt); }

.form-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}
@media (max-width: 62rem) { .form-shell { grid-template-columns: 1fr; } }

.assurances { list-style: none; margin: 1.6rem 0 0; padding: 0; }
.assurances li {
  position: relative;
  padding-left: 1.7rem;
  margin-bottom: .6rem;
  font-size: .93rem;
  color: var(--ink-soft);
}
.assurances li::before {
  content: "";
  position: absolute;
  left: .15rem;
  top: .52rem;
  width: .72rem;
  height: .4rem;
  border-left: 2px solid var(--brand-500);
  border-bottom: 2px solid var(--brand-500);
  transform: rotate(-45deg);
}

.form-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-l);
  padding: clamp(1.4rem, 3vw, 2.1rem);
  box-shadow: var(--shadow);
}

.field { margin-bottom: 1.15rem; }

.field label {
  display: block;
  font-size: .89rem;
  font-weight: 700;
  margin-bottom: .35rem;
}
.req { color: var(--brand-600); }
@media (prefers-color-scheme: dark) { .req { color: var(--brand-300); } }
.opt { font-weight: 400; color: var(--ink-faint); font-size: .84rem; }

.field input[type="text"],
.field input[type="email"],
.field select,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--ground);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: .7rem .85rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea { resize: vertical; min-height: 6rem; }

.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-500) 22%, transparent);
  outline: none;
}
.field [aria-invalid="true"] { border-color: var(--danger); }

.field.check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .65rem;
  align-items: start;
}
.field.check input { margin-top: .3rem; width: 1.05rem; height: 1.05rem; accent-color: var(--brand-800); }
.field.check label { font-weight: 400; font-size: .9rem; line-height: 1.5; margin: 0; }

.field-error {
  grid-column: 1 / -1;
  font-size: .84rem;
  color: var(--danger);
  margin: .35rem 0 0;
  font-weight: 600;
}

.alert {
  padding: .85rem 1rem;
  border-radius: var(--radius);
  font-size: .92rem;
  margin-bottom: 1.3rem;
  border: 1px solid transparent;
}
.alert-error { background: var(--danger-soft); color: var(--danger); border-color: currentColor; }
.alert-success { background: var(--accent-soft); color: var(--brand-800); border-color: var(--brand-500); }
@media (prefers-color-scheme: dark) { .alert-success { color: var(--brand-300); } }

.form-foot { font-size: .82rem; color: var(--ink-faint); margin: 1rem 0 0; }

/* Honeypot: unsichtbar, aber nicht display:none (manche Bots ignorieren das) */
.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Danke-Seite ---------- */
.thanks { padding: clamp(4rem, 10vw, 8rem) 0; }
.thanks-card {
  max-width: 44rem;
  margin-inline: auto;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-l);
  padding: clamp(1.8rem, 4vw, 3rem);
  box-shadow: var(--shadow);
  text-align: center;
}
.thanks-mark {
  display: grid;
  place-items: center;
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--brand-800);
  margin: 0 auto 1.3rem;
  font-size: 1.5rem;
}
@media (prefers-color-scheme: dark) { .thanks-mark { color: var(--brand-300); } }
.thanks-card .lede { margin-inline: auto; }

/* ---------- Rechtstexte ---------- */
.legal { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.legal-body { max-width: var(--narrow); }
.legal-body h2 { font-size: 1.5rem; margin-top: 2.4rem; }
.legal-body h3 { margin-top: 1.7rem; }
.legal-body p, .legal-body li { color: var(--ink-soft); }
.legal-body ul { padding-left: 1.3rem; }
.legal-body li { margin-bottom: .45rem; }
.legal-body dl { margin: 0 0 1.2rem; }
.legal-body dt { font-weight: 700; color: var(--ink); margin-top: .8rem; }
.legal-body dd { margin: .15rem 0 0; }

.legal-note {
  background: var(--accent-soft);
  border-left: 3px solid var(--brand-500);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  font-size: .92rem;
  margin: 1.5rem 0;
}

/* ---------- Fußzeile ---------- */
.site-footer { border-top: 1px solid var(--rule); padding: 2.8rem 0 2rem; background: var(--surface); }

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.8rem;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-brand { display: flex; gap: .8rem; max-width: 34rem; }
.footer-brand p { font-size: .9rem; color: var(--ink-soft); margin: 0; }

.footer-nav { display: flex; flex-wrap: wrap; gap: 1.3rem; }
.footer-nav a { font-size: .9rem; font-weight: 600; color: var(--ink-soft); text-decoration: none; }
.footer-nav a:hover { color: var(--ink); text-decoration: underline; }

.footer-legal { margin-top: 2rem; padding-top: 1.3rem; border-top: 1px solid var(--rule); }
.footer-legal p { font-size: .82rem; color: var(--ink-faint); margin: 0 0 .4rem; }
.footer-disclaimer { font-style: italic; }