/* ==========================================================================
   Website-Pannendienst · site.css
   Plain CSS, no build step. Structure:
   1. Fonts  2. Tokens  3. Base  4. Layout  5. Components  6. Sections
   7. Legal pages  8. Responsive  9. Motion and print
   ========================================================================== */

/* 1. Fonts (self-hosted, see assets/fonts/LICENSE.md) ---------------------- */

@font-face {
  font-family: "Spectral";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/spectral-400.woff2") format("woff2");
}

@font-face {
  font-family: "Spectral";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/spectral-500.woff2") format("woff2");
}

@font-face {
  font-family: "Hanken Grotesk";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/hanken-grotesk-var.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/ibm-plex-mono-400.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/ibm-plex-mono-500.woff2") format("woff2");
}

/* 2. Tokens ---------------------------------------------------------------- */

:root {
  /* Colour */
  --color-green: #11382b;
  --color-green-hover: #1f6b50;
  --color-gold: #d8b766;
  --color-gold-hover: #e3c884;
  --color-ink: #16241e;
  --color-muted: #4c5a53;
  --color-subtle: #5f6b64;
  --color-paper: #f4f5f1;
  --color-white: #ffffff;
  --color-line: #d5dad3;
  --color-field-border: #9aa59e;
  --color-portrait: #dde2dc;
  --color-chrome-dot: #c3cbc4;
  --color-error: #a8321f;
  --color-success: #1f6b50;
  --color-on-green: #ffffff;
  --color-on-green-muted: #c9d6cf;
  --color-line-on-green: rgb(255 255 255 / 0.22);
  --color-line-on-green-strong: rgb(255 255 255 / 0.45);
  --color-glass: rgb(255 255 255 / 0.1);

  /* Type */
  --font-serif: "Spectral", Georgia, "Times New Roman", serif;
  --font-sans: "Hanken Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;

  --text-xs: 0.8125rem;   /* 13 */
  --text-sm: 0.9375rem;   /* 15 */
  --text-base: 1rem;      /* 16 */
  --text-md: 1.0625rem;   /* 17 */
  --text-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);      /* 17 → 19 */
  --text-xl: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);     /* 18 → 20 */
  --text-h3: clamp(1.1875rem, 1.15rem + 0.2vw, 1.3125rem);   /* 19 → 21 */
  --text-h3-serif: clamp(1.375rem, 1.3rem + 0.4vw, 1.625rem);/* 22 → 26 */
  --text-price: clamp(1.875rem, 3.2vw, 2.375rem);            /* 30 → 38 */
  --text-h2: clamp(1.875rem, 1.3rem + 2.4vw, 2.875rem);      /* 30 → 46 */
  --text-h2-large: clamp(2.125rem, 1.4rem + 3vw, 3.375rem);  /* 34 → 54 */
  --text-h1: clamp(2.375rem, 1.4rem + 4.2vw, 4.125rem);      /* 38 → 66 */
  --text-numeral: clamp(2.75rem, 2.4rem + 1.4vw, 3.5rem);    /* 44 → 56 */

  /* Space */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.375rem;
  --space-6: 1.75rem;
  --space-7: 2.5rem;
  --space-8: 3.5rem;
  --space-9: 4.5rem;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --grid-gap: 2rem;
  --section-space: clamp(4rem, 9vw, 7.5rem);
  --container: 75rem; /* 1200 */

  /* Shape */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-demo: 0 32px 64px rgb(0 0 0 / 0.35);
  --tap: 2.75rem; /* 44px minimum touch target */

  /* Context-dependent, overridden on green surfaces */
  --focus: var(--color-green);
  --rule: var(--color-line);
}

/* 3. Base ------------------------------------------------------------------ */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: var(--space-4);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-green);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
  background: var(--color-paper);
}

h1,
h2,
h3,
p,
ul,
ol,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  overflow-wrap: break-word;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

a {
  color: var(--color-ink);
  text-underline-offset: 0.18em;
}

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

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

summary {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.on-green {
  --focus: var(--color-gold);
  --rule: var(--color-line-on-green);
  background: var(--color-green);
  color: var(--color-on-green);
}

.on-green a {
  color: var(--color-on-green);
}

.on-green a:hover {
  color: var(--color-gold);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 10;
  padding: var(--space-3) var(--space-4);
  background: var(--color-gold);
  color: var(--color-ink);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

/* 4. Layout ---------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-space);
}

.section--white {
  background: var(--color-white);
}

.section--paper {
  background: var(--color-paper);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
  max-width: 45rem;
  margin-bottom: var(--space-8);
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--text-h2);
  line-height: 1.1;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-green);
}

.on-green .section-title {
  color: var(--color-on-green);
}

.section-title--large {
  font-size: var(--text-h2-large);
  line-height: 1.06;
  letter-spacing: -0.015em;
}

.lead {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-muted);
}

.on-green .lead {
  color: var(--color-on-green-muted);
}

/* Twelve-column split: heading in 4 columns, content in 8 */
.split {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
}

.split__aside {
  grid-column: span 4;
}

.split__main {
  grid-column: span 8;
}

/* Hairline lists: every row has a top rule, and a 1px shadow that the next
   row's rule covers. Only the last row of each column shows it as the closing
   rule, no matter how many columns the grid currently has. */
.rule-list > * {
  border-top: 1px solid var(--rule);
  box-shadow: 0 1px 0 var(--rule);
}

/* 5. Components ------------------------------------------------------------ */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.5rem;
  padding: 0.5rem 1.875rem;
  font: inherit;
  font-size: var(--text-md);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.button--gold,
.on-green a.button--gold {
  background: var(--color-gold);
  color: var(--color-ink);
}

.button--gold:hover,
.on-green a.button--gold:hover {
  background: var(--color-gold-hover);
  color: var(--color-ink);
}

.button--ghost,
.on-green a.button--ghost {
  border-color: var(--color-line-on-green-strong);
  color: var(--color-on-green);
}

.button--ghost:hover,
.on-green a.button--ghost:hover {
  border-color: var(--color-on-green);
  color: var(--color-on-green);
  background: var(--color-glass);
}

.button--green {
  background: var(--color-green);
  color: var(--color-on-green);
}

.button--green:hover {
  background: var(--color-green-hover);
  color: var(--color-on-green);
}

.button--small {
  min-height: 2.875rem;
  padding-inline: 1.375rem;
  font-size: var(--text-base);
}

.button[aria-disabled="true"],
.button:disabled {
  opacity: 0.65;
  cursor: progress;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}

/* Header */
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4) var(--grid-gap);
  padding-block: var(--space-6);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  min-height: var(--tap);
  text-decoration: none;
}

.on-green a.brand:hover {
  color: var(--color-on-green);
}

.brand__mark {
  flex-shrink: 0;
  width: 2.125rem;
  height: auto;
  color: var(--color-gold);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand__name {
  font-size: 1.125rem;
  font-weight: 600;
}

.brand__byline {
  font-size: var(--text-xs);
  color: var(--color-on-green-muted);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.6vw, 2.25rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  text-decoration: none;
}

.site-nav__link:hover {
  text-decoration: underline;
}

.site-nav__toggle {
  display: none;
  align-items: center;
  gap: 0.625rem;
  min-height: var(--tap);
  padding: 0 0.875rem;
  font: inherit;
  font-weight: 600;
  color: var(--color-on-green);
  background: none;
  border: 1px solid var(--color-line-on-green-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.site-nav__toggle-icon {
  position: relative;
  width: 1.125rem;
  height: 2px;
  background: currentColor;
  transition: background-color 0.15s ease;
}

.site-nav__toggle-icon::before,
.site-nav__toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.15s ease;
}

.site-nav__toggle-icon::before {
  transform: translateY(-6px);
}

.site-nav__toggle-icon::after {
  transform: translateY(6px);
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-icon {
  background: transparent;
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-icon::before {
  transform: rotate(45deg);
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-icon::after {
  transform: rotate(-45deg);
}

/* Footer */
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4) var(--grid-gap);
  padding-top: 2.25rem;
  padding-bottom: 4rem;
  border-top: 1px solid var(--rule);
  font-size: var(--text-sm);
  color: var(--color-on-green-muted);
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-footer__brand .brand__mark {
  width: 1.625rem;
}

.site-footer__brand strong,
.site-footer__brand a {
  font-weight: 600;
  color: var(--color-on-green);
}

.site-footer__links {
  display: flex;
  gap: var(--space-6);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__links a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  background: var(--color-paper);
  color: var(--color-ink);
  border-radius: var(--radius-lg);
  --focus: var(--color-green);
}

.form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.field__label {
  font-size: 0.875rem;
  font-weight: 600;
}

.field__optional {
  font-weight: 400;
  color: var(--color-muted);
}

.field__control {
  width: 100%;
  min-height: 3.125rem;
  padding: 0 0.875rem;
  font: inherit;
  font-size: 1rem; /* 16px keeps iOS from zooming into the field */
  color: var(--color-ink);
  background: var(--color-white);
  border: 1px solid var(--color-field-border);
  border-radius: var(--radius-sm);
}

textarea.field__control {
  padding-block: 0.875rem;
  line-height: 1.5;
  resize: vertical;
}

.field__control:focus-visible {
  outline-offset: 1px;
  border-color: var(--color-green);
}

.field__hint {
  font-size: 0.875rem;
  color: var(--color-muted);
}

.field__error {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-error);
}

.field__error:empty {
  display: none;
}

.field--invalid .field__control {
  border-color: var(--color-error);
  box-shadow: 0 0 0 1px var(--color-error);
}

.form__status {
  padding: var(--space-4);
  font-weight: 500;
  border: 1px solid currentColor;
  border-radius: var(--radius-sm);
  background: var(--color-white);
}

.form__status:empty {
  display: none;
}

.form__status--error {
  color: var(--color-error);
}

.form__status--success {
  color: var(--color-success);
}

.form__submit {
  align-self: flex-start;
}

.form__privacy {
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* Honeypot: off-screen instead of display:none, which many bots check for */
.form__trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-success {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-success__title {
  font-family: var(--font-serif);
  font-size: var(--text-h3-serif);
  font-weight: 500;
  color: var(--color-green);
}

/* 6. Sections -------------------------------------------------------------- */

/* Hero */
.hero__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  align-items: center;
  padding-top: clamp(2rem, 5vw, 4.5rem);
  padding-bottom: clamp(3.5rem, 7vw, 6.5rem);
}

.hero__copy {
  grid-column: span 7;
  display: flex;
  flex-direction: column;
  gap: clamp(1.375rem, 2.4vw, 1.875rem);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: var(--text-h1);
  line-height: 1.07;
  font-weight: 400;
  letter-spacing: -0.015em;
}

.hero__lead {
  max-width: 36.875rem;
  font-size: var(--text-xl);
  line-height: 1.6;
  color: var(--color-on-green-muted);
}

.hero__note {
  font-size: var(--text-sm);
  color: var(--color-on-green-muted);
}

.hero__demo {
  grid-column: 9 / span 4;
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

.prompt {
  align-self: flex-end;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  max-width: 20rem;
}

.prompt__meta {
  font-size: var(--text-xs);
  text-align: right;
  color: var(--color-on-green-muted);
}

.prompt__bubble {
  padding: 0.875rem 1.125rem;
  line-height: 1.5;
  background: var(--color-glass);
  border: 1px solid var(--color-line-on-green);
  border-radius: 14px 14px 2px 14px;
}

.browser {
  overflow: hidden;
  color: var(--color-ink);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-demo);
}

.browser__bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.6875rem 0.875rem;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
}

.browser__dots {
  display: flex;
  gap: 0.375rem;
}

.browser__dots span {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--color-chrome-dot);
}

.browser__url {
  flex-grow: 1;
  min-width: 0;
  padding: 0.25rem 0.625rem;
  overflow: hidden;
  font-size: var(--text-xs);
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--color-muted);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
}

.browser__body {
  padding: 1.5rem 1.375rem clamp(3rem, 7vw, 6rem);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.browser__body p + p {
  margin-top: 1.4em;
}

.browser__fatal {
  font-weight: 500;
  color: var(--color-error);
}

.browser__trace {
  color: var(--color-subtle);
}

.clients {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3) var(--grid-gap);
  padding-top: 2rem;
  padding-bottom: 3.5rem;
  border-top: 1px solid var(--rule);
}

.clients__label {
  font-size: var(--text-sm);
  color: var(--color-on-green-muted);
}

.clients__list {
  display: contents;
  margin: 0;
  padding: 0;
  list-style: none;
}

.clients__list li {
  font-family: var(--font-serif);
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.3125rem);
}

/* Anzeichen */
.signs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--space-9);
}

.sign {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-block: 1.625rem;
}

.sign__title {
  font-size: clamp(1.125rem, 1.08rem + 0.2vw, 1.25rem);
  font-weight: 600;
  line-height: 1.35;
}

.sign__text {
  line-height: 1.55;
  color: var(--color-muted);
}

/* Ablauf */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-7);
  margin: 0;
  padding: 0;
  list-style: none;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgb(255 255 255 / 0.25);
}

.step__number {
  font-family: var(--font-serif);
  font-size: var(--text-numeral);
  line-height: 1;
  color: var(--color-gold);
}

.step__title {
  font-size: var(--text-h3);
  font-weight: 600;
  line-height: 1.3;
}

.step__text {
  color: var(--color-on-green-muted);
}

/* Was wir retten */
.system {
  display: grid;
  grid-template-columns: 16.25rem minmax(0, 1fr);
  gap: var(--space-2) var(--grid-gap);
  padding-block: 1.875rem;
}

.system__title {
  font-family: var(--font-serif);
  font-size: var(--text-h3-serif);
  font-weight: 500;
  line-height: 1.25;
}

.system__text {
  font-size: var(--text-md);
  color: var(--color-muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 0.3125rem 0.75rem;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-ink);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 999px;
}

/* Preise */
.prices {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: var(--color-line); /* shows through the 1px gaps as dividers */
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.price {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
  padding: clamp(1.75rem, 3.4vw, 2.75rem) clamp(1.5rem, 3vw, 2.5rem);
  background: var(--color-white);
}

.price--featured {
  --focus: var(--color-gold);
  background: var(--color-green);
  color: var(--color-on-green);
}

.price__title {
  font-size: 1.125rem;
  font-weight: 600;
}

.price__amount {
  font-family: var(--font-serif);
  font-size: var(--text-price);
  line-height: 1.1;
}

.price__text {
  color: var(--color-muted);
}

.price--featured .price__text {
  color: var(--color-on-green-muted);
}

.price__list {
  padding-left: 1.25rem;
  line-height: 1.8;
}

.prices__note {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* Warum */
.why {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
}

.why__copy {
  grid-column: span 7;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.why__copy .lead {
  line-height: 1.65;
}

.why__reasons {
  grid-column: 9 / span 4;
  align-self: start;
  margin: 0;
  padding: 0;
  list-style: none;
}

.why__reasons li {
  padding-block: var(--space-5);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.45;
}

.team {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--space-9);
  margin-top: clamp(3rem, 6vw, 5rem);
}

.person {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-6);
}

.person__portrait {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(5.5rem, 12vw, 8.25rem);
  aspect-ratio: 1;
  overflow: hidden;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--color-muted);
  background: var(--color-portrait);
  border-radius: 50%;
}

.person__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.person__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.person__name {
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 1.3rem + 0.5vw, 1.75rem);
  font-weight: 500;
  line-height: 1.2;
}

.person__role {
  color: var(--color-muted);
}

.person__mail {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  font-weight: 600;
  overflow-wrap: anywhere;
}

/* FAQ */
.faq__item {
  padding-block: 1.25rem;
}

.faq__question {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: var(--tap);
  padding-block: var(--space-2);
  list-style: none;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question h3 {
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  font-weight: 600;
  line-height: 1.45;
  text-wrap: pretty;
}

.faq__question::after {
  content: "";
  flex-shrink: 0;
  width: 0.6875rem;
  height: 0.6875rem;
  margin: 0.4rem 0.25rem 0;
  border-right: 2px solid var(--color-green);
  border-bottom: 2px solid var(--color-green);
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}

.faq__item[open] > .faq__question::after {
  margin-top: 0.7rem;
  transform: rotate(-135deg);
}

.faq__question:hover h3 {
  color: var(--color-green-hover);
}

.faq__answer {
  max-width: 42.5rem;
  margin-block: var(--space-2);
  font-size: var(--text-md);
  line-height: 1.65;
  color: var(--color-muted);
}

.faq__updated {
  margin-top: var(--space-5);
  color: var(--color-muted);
}

/* Kontakt */
.contact {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  align-items: start;
}

.contact__intro {
  grid-column: span 5;
  display: flex;
  flex-direction: column;
  gap: 1.625rem;
}

.contact__direct {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 1.3rem + 0.4vw, 1.625rem);
}

.contact__direct a {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  min-height: var(--tap);
  text-decoration: none;
}

.contact__direct a:hover {
  text-decoration: underline;
}

.contact__address {
  font-style: normal;
  color: var(--color-on-green-muted);
}

.contact .form {
  grid-column: 7 / span 6;
}

/* 7. Legal and error pages ------------------------------------------------- */

.page {
  background: var(--color-white);
}

.page__inner {
  max-width: 50rem;
  padding-block: clamp(3rem, 7vw, 6rem);
}

.page__title {
  margin-bottom: var(--space-7);
  font-family: var(--font-serif);
  font-size: var(--text-h2-large);
  line-height: 1.06;
  font-weight: 400;
  letter-spacing: -0.015em;
  color: var(--color-green);
}

.prose {
  font-size: var(--text-md);
  line-height: 1.65;
  color: var(--color-muted);
}

.prose > * + * {
  margin-top: 1em;
}

.prose h2 {
  margin-top: 2em;
  font-family: var(--font-serif);
  font-size: var(--text-h3-serif);
  font-weight: 500;
  line-height: 1.25;
  color: var(--color-ink);
}

.prose ul {
  padding-left: 1.25rem;
}

.prose a {
  font-weight: 600;
}

/* 8. Responsive ------------------------------------------------------------ */

@media (max-width: 62.5em) { /* 1000px */
  /* One real column: twelve columns would keep eleven gaps, wider than a phone. */
  .hero__grid,
  .split,
  .why,
  .contact {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__copy,
  .hero__demo,
  .split__aside,
  .split__main,
  .why__copy,
  .why__reasons,
  .contact__intro,
  .contact .form {
    grid-column: 1 / -1;
  }

  .hero__demo {
    width: 100%;
    max-width: 30rem;
    margin-top: var(--space-8);
  }

  .split__aside,
  .why__copy {
    margin-bottom: var(--space-7);
  }

  .contact__intro {
    margin-bottom: var(--space-8);
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 56.25em) { /* 900px */
  .prices {
    grid-template-columns: minmax(0, 1fr);
  }

  .price__amount {
    font-size: 2.125rem;
  }

  /* Collapsible navigation */
  .site-header__inner {
    flex-wrap: wrap;
    column-gap: var(--space-3);
  }

  .brand {
    flex: 1 1 0;
    min-width: 0;
  }

  .site-nav {
    display: contents;
  }

  .site-nav__toggle {
    display: inline-flex;
  }

  .site-nav__list {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-bottom: var(--space-4);
    border-top: 1px solid var(--rule);
  }

  .site-nav__list.is-open {
    display: flex;
  }

  .site-nav__list li {
    border-bottom: 1px solid var(--rule);
  }

  .site-nav__list li:last-child {
    padding-top: var(--space-5);
    border-bottom: 0;
  }

  .site-nav__link {
    display: flex;
    min-height: 3.25rem;
    font-size: 1.125rem;
  }

  .site-nav__list .button {
    display: flex;
    min-height: 3.5rem;
  }
}

/* Without JavaScript the toggle cannot work, so the links stay visible. */
@media (max-width: 56.25em) and (scripting: none) {
  .site-nav__toggle {
    display: none;
  }

  .site-nav__list {
    display: flex;
  }
}

@media (max-width: 43.75em) { /* 700px */
  .signs,
  .team,
  .form__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .system {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer__brand {
    align-items: flex-start;
  }
}

@media (max-width: 32.5em) { /* 520px */
  /* Long German compounds may break on phones, never in the desktop headlines. */
  h1,
  h2,
  h3 {
    hyphens: auto;
  }

  .steps {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-6);
  }

  .button-row .button,
  .form__submit {
    width: 100%;
  }

  .brand {
    gap: 0.625rem;
  }

  .brand__mark {
    width: 1.75rem;
  }

  .brand__name {
    font-size: 1.0625rem;
  }

  .person {
    gap: var(--space-5);
  }
}

/* 9. Motion and print ------------------------------------------------------ */

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-nav,
  .skip-link,
  .form,
  .hero__demo {
    display: none;
  }

  body,
  .on-green {
    background: #fff;
    color: #000;
  }

  .on-green a,
  .on-green .section-title,
  .on-green .lead,
  .hero__lead,
  .step__text {
    color: #000;
  }

  details > * {
    display: block;
  }
}