@font-face { font-family: "Instrument Serif"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/instrument-serif-400.woff2") format("woff2"); }
@font-face { font-family: "Instrument Serif"; font-style: italic; font-weight: 400; font-display: swap; src: url("fonts/instrument-serif-400-italic.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 100 700; font-display: swap; src: url("fonts/ibm-plex-sans-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"); }

:root {
    --paper: #fff;
    --paper-2: #f4f6f7;
    --sheet: #fff;
    --ink: #12100e;
    --ink-2: #2c2823;
    --ink-3: #6e655b;
    --rule: rgba(18, 16, 14, .16);
    --rule-strong: rgba(18, 16, 14, .32);
    --rule-dark: rgba(239, 234, 225, .16);
    --rule-dark-strong: rgba(239, 234, 225, .34);
    --blue: #1267b8;
    --blue-deep: #12100e;
    --blue-soft: rgba(18, 103, 184, .34);
    --blue-tint: #edf6fb;
    --cyan: #5adbe4;
    --gradient: linear-gradient(90deg, #5adbe4 0%, #1267b8 100%);
    --error: #a72d3a;
    --display: "Instrument Serif", "Iowan Old Style", Georgia, serif;
    --sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
    --mono: "IBM Plex Mono", Consolas, monospace;
    --edge: clamp(1.25rem, 5vw, 5.5rem);
    --shell: 1440px;
    --step: clamp(4rem, 7vw, 7.5rem);
    --ease: cubic-bezier(.22, .61, .36, 1);
    color: var(--ink);
    background: var(--paper);
    font-family: var(--sans);
    font-synthesis: none;
    text-rendering: optimizeLegibility;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 7rem; -webkit-text-size-adjust: 100%; }
body { min-width: 320px; margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-size: clamp(1rem, .96rem + .2vw, 1.0625rem); line-height: 1.62; -webkit-font-smoothing: antialiased; }
::selection { color: #fff; background: var(--blue); }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button, input[type="checkbox"], input[type="radio"], summary { cursor: pointer; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

.shell, .shell-tight { width: 100%; margin-inline: auto; padding-inline: var(--edge); }
.shell { max-width: var(--shell); }
.shell-tight { max-width: 820px; }
.skip-link { position: fixed; top: 0; left: var(--edge); z-index: 100; padding: .75rem 1.25rem; color: #fff; background: var(--ink); font-family: var(--mono); font-size: .6875rem; letter-spacing: .16em; text-decoration: none; text-transform: uppercase; transform: translateY(-120%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }

.kicker { display: flex; gap: .9rem; align-items: center; margin: 0 0 1.25rem; color: var(--ink-3); font-family: var(--mono); font-size: .6875rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; }
.kicker::before { width: clamp(2rem, 5vw, 4rem); height: 1px; flex: 0 0 auto; background: var(--blue); content: ""; }
.kicker-invert { color: var(--ink-3); }
.kicker-invert::before { background: var(--blue); }
.link-action { position: relative; display: inline-flex; gap: 1rem; align-items: baseline; padding-bottom: .4rem; color: var(--blue); font-family: var(--mono); font-size: .6875rem; font-weight: 500; letter-spacing: .18em; text-decoration: none; text-transform: uppercase; }
.link-action::after { position: absolute; right: 0; bottom: 0; left: 0; height: 1px; background: currentColor; content: ""; transform-origin: left; }
.link-action span { transition: transform .3s var(--ease); }
.link-action:hover span { transform: translateX(.45rem); }
.link-action-invert { color: var(--blue); }
.button { position: relative; isolation: isolate; display: inline-flex; min-height: 3.15rem; overflow: hidden; align-items: center; justify-content: center; gap: 1rem; padding: 0 1.9rem; border: 1px solid var(--blue); border-radius: 0; color: #fff; background: var(--blue); font-family: var(--mono); font-size: .6875rem; font-weight: 500; letter-spacing: .16em; text-decoration: none; text-transform: uppercase; transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease); }
.button::before { position: absolute; inset: 0; z-index: -1; background: var(--gradient); content: ""; transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.button span { transition: transform .3s var(--ease); }
.button:hover { border-color: var(--cyan); box-shadow: 0 .6rem 1.4rem -.6rem rgba(18, 103, 184, .42); transform: translateY(-2px); }
.button:hover::before { transform: scaleX(1); }
.button:hover span { transform: translateX(.45rem); }

/* Wortmarke und Kopfbereich entsprechen dem aktuellen Auftritt auf brunol.de. */
.masthead { position: sticky; top: 0; z-index: 50; color: #fff; background: var(--ink); border-bottom: 1px solid var(--rule-dark); }
.masthead-inner { display: grid; min-height: clamp(5.25rem, 7vw, 6.25rem); grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 2rem; align-items: center; }
.masthead-logo { position: relative; justify-self: start; width: clamp(9.5rem, 13vw, 12.75rem); text-decoration: none; }
.masthead-logo img { width: 100%; filter: brightness(0) invert(1); }
.masthead-logo::after, .footer-logo::after { position: absolute; bottom: 0; left: 0; width: 49.17%; height: 22.81%; background: var(--gradient); content: ""; pointer-events: none; }
.masthead-meta { margin: 0; color: rgba(239, 234, 225, .62); font-family: var(--mono); font-size: .625rem; letter-spacing: .24em; text-align: center; text-transform: uppercase; }
.masthead-action { justify-self: end; display: inline-flex; gap: .8rem; align-items: center; padding: .65rem 1rem; border: 1px solid rgba(239, 234, 225, .7); color: #fff; font-family: var(--mono); font-size: .625rem; font-weight: 500; letter-spacing: .16em; text-decoration: none; text-transform: uppercase; transition: border-color .3s ease, background .3s ease; }
.masthead-action:hover { border-color: var(--blue); background: var(--blue); }

/* Dunkler Aufmacher mit technischer Liniengrafik. */
.lede { position: relative; min-height: min(82svh, 52rem); overflow: hidden; display: flex; flex-direction: column; justify-content: center; padding-block: clamp(5rem, 11vh, 8rem) clamp(3.5rem, 7vh, 5rem); color: #fff; background-color: var(--ink); }
.lede::before { position: absolute; top: -8%; right: -5%; width: min(54vw, 48rem); height: 116%; opacity: .4; background-image: linear-gradient(rgba(90, 219, 228, .22) 1px, transparent 1px), linear-gradient(90deg, rgba(18, 103, 184, .26) 1px, transparent 1px), radial-gradient(circle at 64% 35%, transparent 0 3.2rem, rgba(18, 103, 184, .65) 3.25rem 3.33rem, transparent 3.38rem); background-size: 8rem 8rem, 8rem 8rem, 100% 100%; -webkit-mask-image: linear-gradient(to left, #000 50%, transparent 100%); mask-image: linear-gradient(to left, #000 50%, transparent 100%); content: ""; pointer-events: none; }
.lede::after { position: absolute; right: 12%; bottom: 0; width: 2px; height: 7rem; background: var(--gradient); content: ""; }
.edition { position: absolute; top: 50%; right: 1rem; z-index: 2; margin: 0; color: rgba(239, 234, 225, .45); font-family: var(--mono); font-size: .6rem; letter-spacing: .3em; text-transform: uppercase; writing-mode: vertical-rl; transform: translateY(-50%); }
.lede-inner { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(18rem, .55fr); gap: clamp(2rem, 5vw, 6rem); align-items: end; }
.lede h1 { max-width: 12ch; margin: 0; font-family: var(--display); font-size: clamp(4rem, 8.7vw, 8.25rem); font-weight: 400; line-height: .9; letter-spacing: -.025em; text-wrap: balance; }
.lede h1 em { display: block; color: var(--blue); font-style: italic; letter-spacing: -.01em; }
.lede-side { padding-bottom: .4rem; }
.lede-copy { max-width: 38ch; margin: 0 0 2rem; color: rgba(239, 234, 225, .75); font-size: clamp(1rem, .94rem + .3vw, 1.2rem); line-height: 1.55; }
.lede-facts { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: clamp(3rem, 7vh, 5rem) 0 0; border-top: 1px solid var(--rule-dark); }
.lede-facts > div { padding: 1.15rem 1.5rem 0 0; }
.lede-facts > div + div { padding-left: 1.5rem; border-left: 1px solid var(--rule-dark); }
.lede-facts dt { font-family: var(--display); font-size: clamp(1.25rem, 1.7vw, 1.55rem); line-height: 1.1; }
.lede-facts dd { margin: .5rem 0 0; color: rgba(239, 234, 225, .55); font-family: var(--mono); font-size: .625rem; letter-spacing: .14em; text-transform: uppercase; }

/* Angebot und Einführung. */
.offer { padding-block: var(--step); color: var(--ink); background: var(--paper); }
.offer-inner { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr) minmax(0, .75fr); gap: clamp(2rem, 5vw, 5rem); }
.offer h2 { max-width: 12ch; margin: 0 0 1.25rem; font-family: var(--display); font-size: clamp(2.75rem, 5vw, 5rem); font-weight: 400; line-height: .94; letter-spacing: -.02em; }
.offer-text { max-width: 42ch; margin: 0 0 2rem; color: var(--ink-2); line-height: 1.65; }
.offer-prices { display: flex; flex-direction: column; justify-content: flex-end; gap: 2rem; }
.price { padding-top: 1rem; border-top: 1px solid var(--rule-strong); }
.price-label { margin: 0 0 .75rem; color: var(--ink-3); font-family: var(--mono); font-size: .625rem; letter-spacing: .16em; text-transform: uppercase; }
.price-figure { display: flex; gap: .75rem; align-items: baseline; margin: 0; font-family: var(--mono); font-size: .6875rem; letter-spacing: .08em; text-transform: uppercase; }
.price-figure b { font-family: var(--display); font-size: clamp(2.6rem, 4vw, 4.2rem); font-weight: 400; line-height: .9; letter-spacing: -.02em; }
.price-note { margin: .65rem 0 0; color: var(--ink-3); font-size: .8125rem; }
.offer-note { align-self: end; padding-left: clamp(1.25rem, 2.5vw, 2.25rem); border-left: 1px solid var(--rule-strong); }
.offer-note-label { margin: 0 0 1rem; font-family: var(--display); font-size: 1.35rem; font-style: italic; line-height: 1.25; }
.offer-note p { margin: 0 0 1rem; color: var(--ink-2); font-size: .875rem; line-height: 1.65; }
.offer-note strong { color: var(--ink); font-weight: 500; }
.offer-note ul { margin: 0 0 1rem; padding: 0; list-style: none; }
.offer-note li { padding: .55rem 0; border-top: 1px solid var(--rule); color: var(--ink-2); font-size: .8125rem; }
.offer-regular { color: var(--ink-3) !important; font-size: .75rem !important; }
.brief { padding-block: var(--step); border-top: 1px solid var(--rule); }
.brief-inner { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
.brief-number { margin: -.15em 0 0; color: var(--blue); font-family: var(--display); font-size: clamp(4rem, 8vw, 7rem); line-height: .82; }
.brief h2 { max-width: 18ch; margin: 0 0 1.5rem; font-family: var(--display); font-size: clamp(2.4rem, 4.5vw, 4.4rem); font-weight: 400; line-height: .96; letter-spacing: -.02em; }
.brief-body > p { max-width: 62ch; margin: 0; color: var(--ink-2); line-height: 1.75; }
.brief-note { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--rule); color: var(--ink-3); font-size: .8125rem; }
.brief-note strong { display: block; margin-bottom: .4rem; color: var(--blue); font-family: var(--mono); font-size: .625rem; letter-spacing: .16em; text-transform: uppercase; }

/* Projektaufnahme. */
.form-area { padding-block: var(--step); border-top: 1px solid var(--rule); background: var(--paper-2); }
.form-layout { display: grid; grid-template-columns: 13.5rem minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.form-sidebar { position: sticky; top: 8rem; }
.form-sidebar > p { margin: 0 0 .8rem; color: var(--blue); font-family: var(--mono); font-size: .625rem; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; }
.form-sidebar ol { margin: 0; padding: 0; border-top: 1px solid var(--rule-strong); list-style: none; }
.form-sidebar a { display: flex; gap: .8rem; align-items: baseline; padding: .75rem 0; border-bottom: 1px solid var(--rule); color: var(--ink-2); font-size: .8125rem; text-decoration: none; transition: color .2s ease, padding-left .2s ease; }
.form-sidebar a span { color: var(--blue); font-family: var(--mono); font-size: .625rem; }
.form-sidebar a:hover { padding-left: .35rem; color: var(--blue); }
.sidebar-note { margin-top: 1.5rem; color: var(--ink-3); font-size: .75rem; line-height: 1.65; }
.sidebar-note strong { display: block; margin-bottom: .4rem; color: var(--ink); font-family: var(--display); font-size: 1.1rem; font-style: italic; font-weight: 400; }
.sidebar-note span { display: block; }
.form-column { min-width: 0; }
.project-form { border: 1px solid var(--rule-strong); background: var(--sheet); }
.notice { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1.25rem; padding: 1.25rem 1.5rem; border: 1px solid var(--rule-strong); background: var(--sheet); font-size: .875rem; line-height: 1.6; }
.notice strong { font-weight: 500; }
.notice-success { border-left: 3px solid var(--blue); }
.notice-error { border-left: 3px solid var(--error); color: var(--error); }
.notice-error ul { margin: .25rem 0 0; padding-left: 1.25rem; }
.honey { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-section { padding: clamp(2rem, 4vw, 4rem); scroll-margin-top: 7rem; }
.form-section + .form-section { border-top: 1px solid var(--rule); }
.section-heading { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(1rem, 2.2vw, 2rem); align-items: start; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-number { margin-top: -.12em; color: var(--blue); font-family: var(--display); font-size: clamp(2.2rem, 4vw, 3.5rem); line-height: .9; }
.section-heading .kicker { margin-bottom: .75rem; }
.section-heading h3 { max-width: 22ch; margin: 0; font-family: var(--display); font-size: clamp(2rem, 3.5vw, 3.25rem); font-weight: 400; line-height: .98; letter-spacing: -.02em; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem 2rem; }
.field-stack { display: grid; gap: 1.75rem; }
.field { display: grid; gap: .5rem; min-width: 0; }
.field-full { grid-column: 1 / -1; }
.field.short { max-width: 20rem; }
.field > span, legend { color: var(--ink-3); font-family: var(--mono); font-size: .625rem; font-weight: 400; letter-spacing: .13em; line-height: 1.5; text-transform: uppercase; }
.field b { color: var(--blue); }
.field input, .field textarea, .keyword-grid input { width: 100%; padding: .75rem 0 .85rem; border: 0; border-bottom: 1px solid var(--rule-strong); border-radius: 0; outline: 0; color: var(--ink); background: transparent; font-family: var(--sans); font-size: 1rem; transition: border-color .25s ease, box-shadow .25s ease; }
.field input { height: 3.25rem; }
.field textarea { min-height: 7rem; line-height: 1.65; resize: vertical; }
.field input:focus, .field textarea:focus, .keyword-grid input:focus { border-color: var(--blue); box-shadow: 0 1px 0 var(--blue); }
.field input::placeholder, .field textarea::placeholder { color: rgba(44, 40, 35, .38); }
.spacing-top { margin-top: 2rem; }
fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
legend { width: 100%; margin-bottom: 1rem; }
legend small { color: var(--ink-3); font-family: var(--sans); font-weight: 400; letter-spacing: 0; text-transform: none; }
.option-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--rule); }
.check-card { position: relative; display: flex; min-height: 3.5rem; gap: .85rem; align-items: center; padding: .75rem 1rem .75rem 0; border-bottom: 1px solid var(--rule); transition: color .2s ease; }
.check-card:nth-child(even) { padding-left: 1.25rem; border-left: 1px solid var(--rule); }
.check-card input, .pill-options input, .page-options input, .binary input, .feature-options input { position: absolute; opacity: 0; }
.check-card > span { width: 1rem; height: 1rem; flex: 0 0 auto; border: 1px solid var(--rule-strong); }
.check-card strong { font-size: .875rem; font-weight: 400; }
.check-card:has(input:checked) strong { color: var(--blue); font-weight: 500; }
.check-card input:checked + span { border-color: var(--blue); background: var(--blue); box-shadow: inset 0 0 0 3px var(--sheet); }
.pill-options { display: flex; flex-wrap: wrap; gap: .5rem; }
.pill-options label { position: relative; }
.pill-options span { display: block; padding: .7rem 1rem; border: 1px solid var(--rule-strong); color: var(--ink-2); font-family: var(--mono); font-size: .625rem; transition: color .2s ease, background .2s ease, border-color .2s ease; }
.pill-options label:hover span { border-color: var(--blue); color: var(--blue); }
.pill-options input:checked + span { border-color: var(--blue); color: #fff; background: var(--blue); }
.page-options, .feature-options { display: grid; border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.page-options { grid-template-columns: repeat(4, 1fr); }
.feature-options { grid-template-columns: repeat(3, 1fr); }
.page-options label, .feature-options label { position: relative; display: flex; min-height: 6rem; flex-direction: column; justify-content: space-between; padding: 1rem; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); transition: color .2s ease, background .2s ease; }
.page-options label > span, .feature-options span { color: var(--blue); font-family: var(--display); font-size: 1rem; }
.page-options strong, .feature-options strong { font-size: .75rem; font-weight: 400; }
.page-options label:has(input:checked), .feature-options label:has(input:checked) { color: #fff; background: var(--blue); }
.page-options label:has(input:checked) > span, .feature-options label:has(input:checked) span { color: #fff; }
.page-options label:has(input:checked)::after { position: absolute; top: .75rem; right: .75rem; font-size: .75rem; content: "✓"; }
.feature-options span { display: grid; width: 1.5rem; height: 1.5rem; place-items: center; transition: transform .2s ease; }
.feature-options label:has(input:checked) span { transform: rotate(45deg); }
.binary-list { border-top: 1px solid var(--rule); }
.binary-list > fieldset { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--rule); }
.binary-list legend { width: auto; margin: 0; color: var(--ink); font-family: var(--sans); font-size: .875rem; letter-spacing: 0; text-transform: none; }
.binary { display: inline-flex; flex: 0 0 auto; border: 1px solid var(--rule-strong); }
.binary label { position: relative; }
.binary label + label span { border-left: 1px solid var(--rule-strong); }
.binary span { display: grid; min-width: 3.25rem; min-height: 2.35rem; place-items: center; color: var(--ink-3); font-family: var(--mono); font-size: .625rem; transition: color .2s ease, background .2s ease; }
.binary input:checked + span { color: #fff; background: var(--blue); }
.keyword-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.keyword-grid label { display: grid; gap: .35rem; }
.keyword-grid span { color: var(--blue); font-family: var(--display); font-size: 1rem; }
.keyword-grid input { height: 3rem; }
.quote-box { margin-top: 2.5rem; padding-block: clamp(2rem, 4vw, 3.25rem); border-top: 1px solid var(--blue); border-bottom: 1px solid var(--rule); }
.quote-box > p { margin: 0 0 1rem; color: var(--ink-3); font-family: var(--mono); font-size: .625rem; letter-spacing: .16em; text-transform: uppercase; }
.quote-box blockquote { max-width: 23ch; margin: 0 0 2rem; font-family: var(--display); font-size: clamp(1.75rem, 3vw, 2.75rem); font-style: italic; line-height: 1.1; }
.internal-box { margin-top: 2rem; border-top: 1px solid var(--rule); }
.internal-box summary { position: relative; display: flex; flex-direction: column; gap: .25rem; padding: 1.1rem 2.5rem 1.1rem 0; list-style: none; }
.internal-box summary::-webkit-details-marker { display: none; }
.internal-box summary::after { position: absolute; top: .8rem; right: .25rem; color: var(--blue); font-family: var(--display); font-size: 1.6rem; content: "+"; }
.internal-box[open] summary::after { content: "−"; }
.internal-box summary span { color: var(--blue); font-family: var(--mono); font-size: .625rem; letter-spacing: .16em; text-transform: uppercase; }
.internal-box summary small { color: var(--ink-3); font-size: .75rem; }
.internal-content { padding: .5rem 0 2rem; }
.submit-section { padding: clamp(2rem, 4vw, 4rem); border-top: 1px solid var(--rule-dark); color: #fff; background: var(--ink); }
.human-check { max-width: 20rem; margin-bottom: 2rem; }
.submit-section .field > span { color: rgba(239, 234, 225, .7); }
.submit-section .field input { color: #fff; border-bottom-color: var(--rule-dark-strong); }
.consent { position: relative; display: grid; grid-template-columns: 1.1rem 1fr; gap: .9rem; align-items: start; max-width: 45rem; }
.consent input { position: absolute; opacity: 0; }
.consent > span { width: 1.05rem; height: 1.05rem; margin-top: .25rem; border: 1px solid var(--rule-dark-strong); background: transparent; }
.consent input:checked + span { border-color: var(--blue); background: var(--blue); box-shadow: inset 0 0 0 3px var(--ink); }
.consent small { color: rgba(239, 234, 225, .7); font-size: .8125rem; line-height: 1.6; }
.consent a { color: #fff; text-underline-offset: .2rem; }
.button-submit { margin-top: 2rem; }
.submit-section > p { margin: 1rem 0 0; color: rgba(239, 234, 225, .48); font-family: var(--mono); font-size: .625rem; }

.ledger { padding-block: var(--step); color: #fff; background: var(--ink); border-top: 1px solid var(--rule-dark); }
.ledger-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .75fr); gap: clamp(2rem, 5vw, 5rem); align-items: end; }
.ledger .kicker { color: rgba(239, 234, 225, .58); }
.ledger h2 { max-width: 15ch; margin: 0; font-family: var(--display); font-size: clamp(2.75rem, 5.5vw, 5.5rem); font-weight: 400; line-height: .94; letter-spacing: -.02em; }
.ledger-head > p { max-width: 42ch; margin: 0 0 .5rem; color: rgba(239, 234, 225, .7); }
.ledger-list { margin: clamp(2.5rem, 5vw, 4rem) 0 0; padding: 0; border-top: 1px solid var(--blue); list-style: none; }
.ledger-list li { display: grid; grid-template-columns: 5rem minmax(0, 1fr); gap: 1rem; align-items: baseline; padding: 1rem 0; border-bottom: 1px solid var(--rule-dark); }
.ledger-list li:nth-child(even) { padding-left: clamp(1rem, 7vw, 8rem); }
.ledger-list span { color: var(--cyan); font-family: var(--mono); font-size: .6875rem; }
.ledger-list strong { font-family: var(--display); font-size: 1.35rem; font-weight: 400; }
footer { padding-block: clamp(3rem, 6vw, 5rem) 2rem; color: rgba(239, 234, 225, .58); background: var(--ink); border-top: 1px solid var(--rule-dark); }
.footer-inner { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) auto; gap: clamp(2rem, 5vw, 5rem); align-items: end; font-size: .75rem; }
.footer-logo { position: relative; width: clamp(13rem, 20vw, 16rem); }
.footer-logo img { width: 100%; filter: brightness(0) invert(1); }
.footer-inner p { max-width: 16ch; margin: 0; color: #fff; font-family: var(--display); font-size: clamp(1.5rem, 2.5vw, 2.25rem); line-height: 1.05; }
.footer-inner a { justify-self: end; color: rgba(239, 234, 225, .75); font-family: var(--mono); font-size: .625rem; letter-spacing: .14em; text-decoration: none; text-transform: uppercase; }
.footer-inner a:hover { color: var(--cyan); }

/* Einrichtung. */
.setup-page { min-height: 100vh; padding: clamp(2rem, 6vw, 5rem) 0; background: var(--paper-2); }
.setup-shell { width: min(900px, calc(100% - 2.5rem)); margin: 0 auto; }
.setup-shell > img { width: min(17rem, 62vw); margin-bottom: clamp(2rem, 5vw, 4rem); }
.setup-card { padding: clamp(2rem, 5vw, 4.5rem); border: 1px solid var(--rule-strong); background: var(--sheet); }
.setup-card h1 { max-width: 18ch; margin: 0 0 1.25rem; font-family: var(--display); font-size: clamp(2.75rem, 5.5vw, 5rem); font-weight: 400; line-height: .94; }
.setup-card h2 { margin: 2rem 0 .25rem; color: var(--ink-3); font-family: var(--mono); font-size: .625rem; letter-spacing: .16em; text-transform: uppercase; }
.setup-card p, .setup-card li { color: var(--ink-2); font-size: .9375rem; line-height: 1.7; }
.setup-card code { padding: .15rem .4rem; background: var(--blue-tint); font-family: var(--mono); font-size: .75rem; }
.setup-card .field-grid { margin-top: 1.5rem; }
.setup-card .button { margin-top: 2rem; }
.setup-card .alert, .setup-card .notice { margin: 1.5rem 0; padding: 1rem 1.25rem; border: 0; border-left: 3px solid var(--rule-strong); background: var(--paper-2); }
.setup-card .alert.error, .setup-card .notice-error { border-left-color: var(--error); color: var(--error); }
.setup-card .alert.success { border-left-color: var(--blue); color: var(--ink); }
.setup-card .notice ul { margin: 0; padding-left: 1.25rem; }
.setup-card hr { margin: 2.5rem 0; border: 0; border-top: 1px solid var(--rule); }

@media (hover: hover) and (pointer: fine) { .link-action:hover::after { animation: underline .6s var(--ease); } }
@keyframes underline { 0% { transform: scaleX(1); transform-origin: right; } 48% { transform: scaleX(0); transform-origin: right; } 52% { transform: scaleX(0); transform-origin: left; } 100% { transform: scaleX(1); transform-origin: left; } }

@media (max-width: 1050px) {
    .masthead-inner { grid-template-columns: minmax(0, 1fr) auto; }
    .masthead-meta { display: none; }
    .lede-inner { grid-template-columns: minmax(0, 1fr); align-items: start; }
    .lede h1 { max-width: 10ch; }
    .offer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .offer-lead { grid-column: 1 / -1; }
    .form-layout { grid-template-columns: 1fr; }
    .form-sidebar { position: static; }
    .form-sidebar ol { display: grid; grid-template-columns: repeat(4, 1fr); border-left: 1px solid var(--rule); }
    .form-sidebar a { min-height: 3.5rem; padding: .75rem; border-right: 1px solid var(--rule); }
    .form-sidebar a:hover { padding-left: .75rem; }
    .sidebar-note { display: none; }
}
@media (max-width: 700px) {
    :root { --edge: 1rem; --step: 3.75rem; }
    html { scroll-padding-top: 5.5rem; }
    .masthead-inner { min-height: 5rem; gap: 1rem; }
    .masthead-logo { width: 8.8rem; }
    .masthead-action { padding: .55rem .7rem; font-size: .56rem; letter-spacing: .11em; }
    .lede { min-height: auto; padding-block: 5rem 3.5rem; }
    .lede::before { right: -35%; width: 110vw; opacity: .3; }
    .lede::after, .edition { display: none; }
    .lede h1 { max-width: 100%; font-size: clamp(3.4rem, 16vw, 5rem); line-height: .92; }
    .lede-side { max-width: 34rem; }
    .lede-facts { grid-template-columns: 1fr; margin-top: 3rem; }
    .lede-facts > div { padding: .85rem 0; border-bottom: 1px solid var(--rule-dark); }
    .lede-facts > div + div { padding-left: 0; border-left: 0; }
    .offer-inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .offer h2, .brief h2, .ledger h2 { max-width: 100%; }
    .offer-note { padding: 1.5rem 0 0; border-top: 1px solid var(--rule-strong); border-left: 0; }
    .brief-inner { grid-template-columns: 1fr; gap: 1.25rem; }
    .brief-number { font-size: 4rem; }
    .form-sidebar ol { grid-template-columns: repeat(2, 1fr); }
    .form-section, .submit-section { padding: 2rem 1.125rem; }
    .section-heading { gap: .85rem; }
    .section-number { font-size: 2.3rem; }
    .section-heading h3 { max-width: none; font-size: clamp(1.9rem, 9vw, 2.6rem); overflow-wrap: anywhere; }
    .field-grid { grid-template-columns: 1fr; gap: 1.35rem; }
    .field-full { grid-column: auto; }
    .field input { height: 3.4rem; font-size: 1rem; }
    .option-grid { grid-template-columns: 1fr; }
    .check-card:nth-child(even) { padding-left: 0; border-left: 0; }
    .pill-options span { display: grid; min-height: 2.75rem; align-items: center; }
    .page-options, .feature-options { grid-template-columns: repeat(2, 1fr); }
    .keyword-grid { grid-template-columns: 1fr; }
    .binary-list > fieldset { align-items: flex-start; flex-direction: column; }
    .ledger-head { grid-template-columns: 1fr; align-items: start; }
    .ledger-list li, .ledger-list li:nth-child(even) { grid-template-columns: 3.5rem minmax(0, 1fr); padding-left: 0; }
    .footer-inner { grid-template-columns: 1fr; justify-items: start; align-items: start; }
    .footer-inner a { justify-self: start; }
    .button { width: 100%; padding-inline: 1rem; }
    .setup-shell { width: calc(100% - 2rem); }
    .setup-card { padding: 2rem 1.125rem; }
    .setup-card h1 { max-width: none; font-size: clamp(2.5rem, 13vw, 3.5rem); overflow-wrap: anywhere; }
}
@media (max-width: 410px) { .masthead-action span { display: none; } .page-options, .feature-options { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; } }
@media print {
    :root { background: #fff; }
    .masthead, .lede, .offer, .form-sidebar, .ledger, footer, .submit-section, .skip-link { display: none; }
    .brief { padding: 1rem 0; }
    .form-area { padding: 0; border: 0; background: #fff; }
    .form-layout { display: block; }
    .project-form { border: 0; }
    .form-section { padding: 1.25rem 0; break-inside: avoid; }
}