/* =========================================================
   KI-Telefon-Assistent – Mobile-first Stylesheet
   Idee: Das Telefonat ist das Motiv. Tinte, Papier, Messing,
   ein Signalgrün nur für "Leitung aktiv".
   Breakpoints: 40em (640) · 48em (768) · 64em (1024)
   ========================================================= */

@font-face {
  font-family: "Bricolage Grotesque";
  src: url("../fonts/bricolage.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}

:root {
  /* Farbe */
  --ink: #0f1d2e;
  --ink-2: #1a2c42;
  --ink-3: #26405e;
  --paper: #f2f3ef;
  --white: #ffffff;
  --brass: #b48c52;
  --brass-light: #d9bd8e;
  --brass-ink: #7a5a2b;      /* Messing als Text auf Papier (AA) */
  --signal: #2f9a68;
  --signal-ink: #1f7a50;
  --slate: #4b5768;
  --rule: #d8dbd3;
  --rule-ink: rgba(255, 255, 255, .12);
  --danger: #b4412f;

  /* Typo – eine Familie, optische Größen übernehmen den Kontrast */
  --font: "Bricolage Grotesque", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --fs-sm: .875rem;
  --fs-base: 1.0625rem;   /* 17px */
  --fs-md: 1.25rem;
  --fs-lg: clamp(1.5rem, 4vw, 1.875rem);
  --fs-xl: clamp(1.875rem, 6vw, 2.75rem);
  --fs-xxl: clamp(2.5rem, 9vw, 4.5rem);

  /* Form */
  --r-lg: 20px;      /* große Flächen */
  --r-md: 12px;      /* Felder, Medien */
  --r-sm: 8px;       /* Buttons */
  --r-xs: 6px;       /* Chips */
  --gutter: 1.25rem;
  --header-h: 64px;
  --section: 4rem;
  --measure: 62ch;
}

/* ---------- Basis ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font);
  font-optical-sizing: auto;
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  padding-bottom: 76px;
}
img, svg, picture { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.12; font-weight: 650; letter-spacing: -.02em; text-wrap: balance; }
h1 { font-size: var(--fs-xxl); font-weight: 700; letter-spacing: -.03em; line-height: 1.02; }
h2 { font-size: var(--fs-xl); letter-spacing: -.028em; }
h3, .h3 { font-size: var(--fs-md); font-weight: 600; line-height: 1.25; letter-spacing: -.012em; }
p { margin: 0 0 1em; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }
strong { font-weight: 650; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--brass); outline-offset: 3px; border-radius: 4px; }

.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 1.1em; height: 1.1em; flex: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 1rem; top: -100px; z-index: 100; background: var(--ink); color: var(--white); padding: .6rem 1rem; border-radius: var(--r-sm); }
.skip-link:focus { top: 1rem; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: var(--gutter); }
.container-narrow { max-width: 760px; }
.section { padding-block: var(--section); }
.section-tight { padding-block: calc(var(--section) * .6); }
.section-white { background: var(--white); }
.section-ink { background: var(--ink); color: var(--paper); }
.section-ink p { color: rgba(242, 243, 239, .74); }

.section-head { margin-bottom: 2.25rem; }
.section-head h2 { max-width: 22ch; }
.section-head p { color: var(--slate); font-size: var(--fs-md); line-height: 1.5; max-width: 46ch; margin: 0; }
.section-ink .section-head p { color: rgba(242, 243, 239, .72); }
.section-head-row { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .5rem 1.5rem; }
.section-head-row h2 { margin: 0; }
.lead { font-size: var(--fs-md); line-height: 1.5; color: var(--slate); max-width: 46ch; }

/* ---------- Buttons & Links ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 48px; padding: .75rem 1.25rem; border-radius: var(--r-sm);
  border: 1.5px solid transparent; font-weight: 600; font-size: 1rem; line-height: 1.2;
  text-decoration: none; text-align: center; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn-ink { background: var(--ink); color: var(--white); }
.btn-ink:hover { background: var(--ink-3); }
.btn-brass { background: var(--brass); color: var(--ink); }
.btn-brass:hover { background: var(--brass-light); }
.btn-quiet { background: transparent; color: inherit; border-color: currentColor; }
.btn-quiet:hover { background: rgba(15, 29, 46, .06); }
.section-ink .btn-quiet:hover { background: rgba(255, 255, 255, .08); }
.btn-sm { min-height: 40px; padding: .5rem .95rem; font-size: .9375rem; }
.btn-lg { min-height: 54px; padding: .9rem 1.5rem; font-size: 1.0625rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; }

.link { color: var(--brass-ink); font-weight: 600; text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 4px; }
.link:hover { color: var(--ink); }
.section-ink .link { color: var(--brass-light); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(242, 243, 239, .94); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid var(--rule); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.0625rem; letter-spacing: -.02em; text-decoration: none; }
.brand img { width: 34px; height: 34px; }

.nav-toggle { display: inline-grid; place-items: center; width: 44px; height: 44px; background: transparent; border: 1.5px solid var(--rule); border-radius: var(--r-sm); cursor: pointer; }
.nav-toggle .icon { width: 22px; height: 22px; }

.site-nav {
  position: fixed; inset: var(--header-h) 0 auto 0; background: var(--paper);
  padding: .5rem var(--gutter) 1.5rem; border-bottom: 1px solid var(--rule);
  box-shadow: 0 24px 40px rgba(15, 29, 46, .12);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
  max-height: calc(100dvh - var(--header-h)); overflow-y: auto;
}
.site-nav.is-open { opacity: 1; visibility: visible; transform: none; }
.site-nav ul { margin-bottom: 1rem; }
.site-nav li a { display: block; padding: .9rem 0; font-size: 1.25rem; font-weight: 550; text-decoration: none; border-bottom: 1px solid var(--rule); }
.site-nav li a[aria-current="page"] { color: var(--brass-ink); }
.site-nav .btn { width: 100%; }

/* ---------- Hero ---------- */
.hero { padding: 2.5rem 0 var(--section); }
.hero-grid { display: grid; gap: 2.5rem; }
.h1-sub { display: block; font-size: var(--fs-base); font-weight: 600; letter-spacing: 0; line-height: 1.4; color: var(--brass-ink); margin-bottom: 1rem; }
.hero .lead { margin-top: 1.25rem; }
.hero-actions { display: grid; gap: .75rem; margin: 1.75rem 0 2rem; }
.hero-facts { display: grid; gap: .35rem; padding-top: 1.25rem; border-top: 1px solid var(--rule); color: var(--slate); font-size: .9375rem; }
.hero-facts strong { color: var(--ink); }

/* Das Gespräch */
.call {
  margin: 0; background: var(--ink); color: var(--paper);
  border-radius: var(--r-lg); padding: 1.1rem 1.1rem 1.25rem;
  box-shadow: 0 30px 60px -20px rgba(15, 29, 46, .45);
}
.call-head { display: flex; align-items: center; gap: .6rem; padding-bottom: .9rem; margin-bottom: 1rem; border-bottom: 1px solid var(--rule-ink); font-size: .9375rem; }
.call-live { width: 10px; height: 10px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 0 rgba(47, 154, 104, .6); animation: live 1.8s infinite; }
@keyframes live { 70% { box-shadow: 0 0 0 9px rgba(47, 154, 104, 0); } 100% { box-shadow: 0 0 0 0 rgba(47, 154, 104, 0); } }
.call-title { font-weight: 600; }
.call-time { margin-left: auto; font-variant-numeric: tabular-nums; color: rgba(242, 243, 239, .6); }
.call-lines { display: grid; gap: .65rem; }

.msg { margin: 0; max-width: 88%; padding: .65rem .85rem .7rem; border-radius: 14px; font-size: .9875rem; line-height: 1.45; }
.msg .who { display: block; font-size: .75rem; font-weight: 600; margin-bottom: .15rem; opacity: .7; }
.msg-c { background: rgba(255, 255, 255, .08); border-bottom-left-radius: 4px; justify-self: start; }
.msg-a { background: var(--paper); color: var(--ink); border-bottom-right-radius: 4px; justify-self: end; }
.msg-a .who { color: var(--brass-ink); opacity: 1; }

.call-result { display: flex; gap: .65rem; align-items: flex-start; margin-top: 1.1rem; padding: .8rem .9rem; border-radius: var(--r-md); background: rgba(47, 154, 104, .16); border: 1px solid rgba(47, 154, 104, .5); font-size: .9375rem; line-height: 1.4; }
.call-result .icon { color: #6fd3a3; margin-top: .1rem; width: 1.25em; height: 1.25em; }
.call-result strong { display: block; color: #bff0d6; }

/* Abspielen (nur mit JS und ohne reduzierte Bewegung) */
.js .call[data-ready] .msg, .js .call[data-ready] .call-result { opacity: 0; transform: translateY(8px); transition: opacity .45s ease, transform .45s ease; }
.js .call[data-ready] .is-shown { opacity: 1; transform: none; }

/* ---------- Definition (GEO) ---------- */
.definition { display: grid; gap: 2rem; }
.definition-text p { max-width: var(--measure); color: #2a3646; }
.definition-text p:first-of-type { font-size: var(--fs-md); line-height: 1.5; color: var(--ink); }
.facts { margin: 0; display: grid; border-top: 2px solid var(--ink); }
.facts div { display: grid; gap: .15rem; padding: .85rem 0; border-bottom: 1px solid var(--rule); }
.facts dt { font-size: var(--fs-sm); color: var(--slate); }
.facts dd { margin: 0; font-weight: 550; }

/* ---------- Vergleich ---------- */
.compare { border-top: 2px solid var(--ink); }
.compare-row { display: grid; gap: .4rem; padding: 1.1rem 0; border-bottom: 1px solid var(--rule); }
.compare-row.compare-head { display: none; }
.compare-k { font-weight: 650; font-size: var(--fs-md); letter-spacing: -.012em; }
.compare-bad, .compare-good { display: flex; gap: .55rem; align-items: flex-start; }
.compare-bad { color: var(--slate); text-decoration: line-through; text-decoration-color: rgba(180, 65, 47, .5); text-decoration-thickness: 1.5px; }
.compare-bad .icon { color: var(--danger); margin-top: .3em; }
.compare-good { font-weight: 550; }
.compare-good .icon { color: var(--signal-ink); margin-top: .3em; }

/* ---------- Leistungen ---------- */
.pillars { display: grid; gap: 0; border-top: 2px solid var(--ink); }
.pillar { padding: 1.75rem 0; border-bottom: 1px solid var(--rule); }
.pillar p { color: var(--slate); max-width: 48ch; }
.pillar-icon { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: var(--r-md); background: var(--ink); color: var(--brass-light); margin-bottom: 1rem; }
.pillar-icon .icon { width: 22px; height: 22px; }
.checklist { display: grid; gap: .45rem; }
.checklist li { display: flex; gap: .55rem; align-items: center; font-weight: 500; }
.checklist .icon { color: var(--signal-ink); }
.checklist-light li { color: var(--paper); }
.checklist-light .icon { color: #6fd3a3; }

/* ---------- Ablauf (echte Abfolge → Zeitleiste) ---------- */
.timeline { display: grid; gap: 0; position: relative; }
.timeline-step { position: relative; padding: 0 0 2rem 2rem; border-left: 2px solid var(--rule-ink); margin-left: 7px; }
.timeline-step:last-child { padding-bottom: 0; border-left-color: transparent; }
.timeline-step::before { content: ""; position: absolute; left: -9px; top: .2rem; width: 16px; height: 16px; border-radius: 50%; background: var(--ink); border: 3px solid var(--brass); }
.timeline-step:last-child::before { border-color: var(--signal); background: var(--signal); }
.timeline-when { display: block; color: var(--brass-light); font-weight: 600; font-size: .9375rem; margin-bottom: .35rem; }
.timeline-step h3 { color: var(--white); font-size: var(--fs-lg); }
.timeline-step p { max-width: 40ch; margin: 0; }

/* ---------- Branchen ---------- */
.branch-tabs { display: flex; gap: .5rem; overflow-x: auto; scrollbar-width: none; margin: 0 calc(var(--gutter) * -1) 1.25rem; padding: .25rem var(--gutter); }
.branch-tabs::-webkit-scrollbar { display: none; }
.branch-tabs button { flex: none; display: inline-flex; align-items: center; gap: .45rem; min-height: 44px; padding: .5rem 1rem; border-radius: var(--r-sm); cursor: pointer; background: transparent; border: 1.5px solid var(--rule); font-weight: 600; }
.branch-tabs button:hover { border-color: var(--ink); }
.branch-tabs button[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: var(--white); }
.branch-tabs button[aria-selected="true"] .icon { color: var(--brass-light); }
.branches { display: grid; gap: 2.5rem; }
.js .branch[data-active="false"] { display: none; }
.branch { display: grid; gap: 1.5rem; }
.branch-media { position: relative; }
.branch-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--r-lg); }
.snippet { display: grid; gap: .5rem; margin: -3.5rem .75rem 0; position: relative; padding: .9rem; border-radius: var(--r-lg); background: var(--ink); color: var(--paper); box-shadow: 0 24px 40px -18px rgba(15, 29, 46, .5); }
.snippet .msg { font-size: .9375rem; }
.snippet-result { display: flex; align-items: center; gap: .5rem; margin: .25rem 0 0; font-size: .875rem; font-weight: 600; color: #8fe0b8; }
.branch-body h3 { font-size: var(--fs-lg); }
.branch-body p { color: var(--slate); max-width: 48ch; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tags li { font-size: .875rem; font-weight: 550; padding: .3rem .65rem; border-radius: var(--r-xs); background: var(--white); border: 1px solid var(--rule); }

/* ---------- Vertrauen ---------- */
.trust { display: grid; gap: 1.5rem; }
.trust li { display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start; }
.trust .pillar-icon { margin: 0; }
.trust h3 { margin-bottom: .25rem; }
.trust p { color: var(--slate); margin: 0; }

/* ---------- Rechner-Teaser ---------- */
.teaser-calc { display: grid; gap: 1.5rem; padding: 2rem 1.5rem; border-radius: var(--r-lg); background: var(--ink); color: var(--paper); }
.teaser-calc h2 { font-size: var(--fs-lg); max-width: 24ch; }
.teaser-calc p { color: rgba(242, 243, 239, .74); margin: 0; max-width: 52ch; }

/* ---------- Blog ---------- */
.post-grid { display: grid; gap: 2rem; }
.post-card { display: grid; gap: 1rem; align-content: start; }
.post-card-media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--r-md); }
.post-card h2, .post-card h3 { font-size: var(--fs-md); margin-bottom: .4rem; }
.post-card h2 a, .post-card h3 a { text-decoration: none; }
.post-card h2 a:hover, .post-card h3 a:hover { text-decoration: underline; text-underline-offset: 4px; }
.post-card p:not(.post-meta) { color: var(--slate); font-size: 1rem; }
.post-meta { font-size: var(--fs-sm); color: var(--slate); margin-bottom: .35rem; }

/* ---------- FAQ ---------- */
.faq { border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.15rem 0; cursor: pointer; list-style: none; min-height: 56px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary h3 { margin: 0; font-size: 1.125rem; }
.faq summary:hover h3 { color: var(--brass-ink); }
.faq-icon { width: 22px; height: 22px; color: var(--ink); transition: transform .2s ease; }
.faq details[open] .faq-icon { transform: rotate(45deg); }
.faq-answer { padding: 0 2.5rem 1.4rem 0; margin: 0; color: var(--slate); max-width: var(--measure); }

/* ---------- Kontakt ---------- */
.contact-grid { display: grid; gap: 2.5rem; }
.contact h2 { color: var(--white); max-width: 18ch; }
.contact-copy > p { max-width: 44ch; margin-bottom: 1.5rem; }
.form-card { background: var(--paper); color: var(--ink); border-radius: var(--r-lg); padding: 1.25rem; }
.contact-form { display: grid; gap: 1rem; }
.form-row { display: grid; gap: 1rem; }
.field { display: grid; gap: .35rem; position: relative; }
.field label { font-size: .9375rem; font-weight: 600; }
.req { color: var(--brass-ink); }
input[type="text"], input[type="email"], input[type="tel"], input[type="number"], select, textarea {
  width: 100%; min-height: 50px; padding: .7rem .9rem; border-radius: var(--r-sm);
  border: 1.5px solid var(--rule); background: var(--white); font-size: 16px;
  transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; min-height: 120px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(180, 140, 82, .35); }
::placeholder { color: #8a93a0; }
.field[data-invalid] input, .field[data-invalid] textarea { border-color: var(--danger); }
.field-error { font-size: .875rem; color: var(--danger); font-weight: 500; }
.field-check { grid-template-columns: auto 1fr; align-items: start; gap: .75rem; }
.field-check input { width: 22px; height: 22px; margin-top: .1rem; accent-color: var(--ink); }
.field-check label { font-weight: 400; font-size: .9375rem; line-height: 1.5; color: var(--slate); }
.field-check a { color: var(--ink); }
.field-check .field-error { grid-column: 2; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: var(--fs-sm); color: var(--slate); margin: 0; }
.form-status p { margin: 0; padding: .9rem 1rem; border-radius: var(--r-sm); }
.form-status .ok { background: #e2f3ea; color: var(--signal-ink); }
.form-status .err { background: #f6e4e0; color: var(--danger); }
.form-status a { color: inherit; }
.form-success { text-align: center; padding: 2rem 1rem; }
.form-success .card-icon { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--signal); color: var(--white); margin-bottom: 1rem; }
.form-success .card-icon .icon { width: 26px; height: 26px; }
.form-success p { color: var(--slate); }

/* ---------- Unterseiten ---------- */
.page-hero { padding: 2.25rem 0 2.5rem; border-bottom: 1px solid var(--rule); }
.page-hero h1 { font-size: clamp(2rem, 7vw, 3.5rem); max-width: 20ch; hyphens: auto; overflow-wrap: break-word; }
.page-hero .lead { margin: 1rem 0 0; }
.page-code { color: var(--brass-ink); font-weight: 600; }
.breadcrumb { font-size: var(--fs-sm); color: var(--slate); margin-bottom: 1.25rem; }
.breadcrumb a { color: var(--ink); text-underline-offset: 3px; }

.prose { font-size: 1.125rem; line-height: 1.7; }
.prose > * { max-width: var(--measure); }
.prose h2 { font-size: var(--fs-lg); margin-top: 2.25rem; }
.prose h3 { margin-top: 1.5rem; }
.prose ul { list-style: disc; padding-left: 1.25rem; margin-bottom: 1.25em; display: grid; gap: .4rem; }
.prose ol { list-style: decimal; padding-left: 1.25rem; margin-bottom: 1.25em; }
.prose li::marker { color: var(--brass); }
.prose a:not(.btn) { color: var(--brass-ink); text-underline-offset: 3px; }
.prose mark { background: #f7e7b6; padding: 0 .2em; }

.article-media { margin: 2rem 0; }
.article-media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--r-lg); }
.tldr { background: var(--white); border-left: 3px solid var(--brass); border-radius: 0 var(--r-md) var(--r-md) 0; padding: 1.25rem 1.4rem; margin-bottom: 2.25rem; }
.tldr-title { font-size: 1rem; margin-bottom: .6rem; }
.tldr ul { list-style: disc; padding-left: 1.2rem; display: grid; gap: .35rem; }
.tldr li::marker { color: var(--brass); }
.article-faq { margin-top: 3rem; }
.article-faq h2 { font-size: var(--fs-lg); }
.article-cta { margin: 3rem 0 var(--section); padding: 1.75rem 1.5rem; border-radius: var(--r-lg); background: var(--ink); color: var(--paper); }
.article-cta h2 { color: var(--white); }
.article-cta p { color: rgba(242, 243, 239, .74); }
.article-cta .btn-ink { background: var(--brass); color: var(--ink); }
.article-cta .hero-actions { margin: 1.25rem 0 0; }

/* ---------- Kostenrechner ---------- */
.calc-grid { display: grid; gap: 2rem; align-items: start; }
.calc-form { display: grid; gap: 1.25rem; }
.calc-form fieldset { border: 0; border-top: 2px solid var(--ink); padding: 1.25rem 0 0; margin: 0; display: grid; gap: 1rem; }
.calc-form legend { display: inline-flex; align-items: center; gap: .5rem; font-weight: 650; font-size: var(--fs-md); letter-spacing: -.012em; padding-right: .75rem; }
.calc-form legend .icon { color: var(--brass-ink); }
.calc-field small { color: var(--slate); font-size: var(--fs-sm); }
.input-unit { position: relative; }
.input-unit input { padding-right: 4.5rem; font-variant-numeric: tabular-nums; font-size: 1.125rem; font-weight: 550; }
.input-unit span { position: absolute; right: .9rem; top: 50%; transform: translateY(-50%); color: var(--slate); font-size: .9375rem; pointer-events: none; }
.calc-advanced > summary { cursor: pointer; font-weight: 600; color: var(--brass-ink); padding: .75rem 0; min-height: 44px; text-decoration: underline; text-underline-offset: 4px; }
.calc-advanced[open] > summary { margin-bottom: .75rem; }
.calc-advanced fieldset + fieldset { margin-top: 1.5rem; }
.calc-advanced .btn { margin-top: 1.25rem; }

.calc-result { background: var(--ink); color: var(--paper); border-radius: var(--r-lg); padding: 1.5rem 1.25rem; }
.calc-result h2 { color: var(--white); font-size: var(--fs-lg); }
.bars { display: grid; gap: 1rem; margin: 1.25rem 0 1.75rem; }
.bar { display: grid; grid-template-columns: 1fr auto; gap: .4rem .75rem; align-items: baseline; }
.bar-label { color: rgba(242, 243, 239, .78); }
.bar-value { font-weight: 650; font-variant-numeric: tabular-nums; font-size: 1.125rem; }
.bar-track { grid-column: 1 / -1; height: 10px; border-radius: 5px; background: rgba(255, 255, 255, .08); overflow: hidden; }
.bar-fill { display: block; height: 100%; width: 0; border-radius: inherit; background: rgba(242, 243, 239, .4); transition: width .45s cubic-bezier(.2, .8, .2, 1); }
.bar-ai .bar-fill { background: var(--brass); }
.bar-ai .bar-label, .bar-ai .bar-value { color: var(--brass-light); }
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 0 0 1.25rem; background: var(--rule-ink); border-radius: var(--r-md); overflow: hidden; }
.kpis div { background: var(--ink-2); padding: .9rem; }
.kpis dt { font-size: .8125rem; color: rgba(242, 243, 239, .66); line-height: 1.35; }
.kpis dd { margin: .3rem 0 0; font-size: 1.375rem; font-weight: 650; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpis div:last-child { grid-column: 1 / -1; }
.kpis .kpi-hl { grid-column: 1 / -1; background: var(--ink-3); }
.kpis .kpi-hl dd { color: var(--brass-light); font-size: 1.875rem; }
.calc-summary { color: rgba(242, 243, 239, .86); }
.calc-result .form-note { margin-top: .85rem; color: rgba(242, 243, 239, .6); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(242, 243, 239, .72); padding-top: 3rem; font-size: 1rem; border-top: 1px solid var(--rule-ink); }
.brand-light { color: var(--white); }
.footer-grid { display: grid; gap: 2rem; padding-bottom: 2.5rem; }
.footer-brand p { margin-top: 1rem; max-width: 36ch; }
.footer-title { font-size: 1rem; font-weight: 650; letter-spacing: -.01em; color: var(--white); margin-bottom: .85rem; }
.site-footer ul { display: grid; gap: .5rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--brass-light); text-decoration: underline; text-underline-offset: 3px; }
.site-footer address { font-style: normal; }
.site-footer address li { display: flex; gap: .6rem; align-items: flex-start; }
.site-footer address .icon { color: var(--brass); margin-top: .3em; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 1.5rem; padding-block: 1.25rem; border-top: 1px solid var(--rule-ink); font-size: var(--fs-sm); }
.footer-bottom p { margin: 0; }
.footer-bottom ul { display: flex; gap: 1.25rem; }

/* ---------- Mobile-CTA ---------- */
.mobile-cta {
  position: fixed; left: .75rem; right: .75rem; bottom: calc(.75rem + env(safe-area-inset-bottom)); z-index: 40;
  display: flex; align-items: center; justify-content: center; gap: .55rem; min-height: 54px;
  border-radius: var(--r-md); background: var(--ink); color: var(--white); font-weight: 600; text-decoration: none;
  box-shadow: 0 12px 30px rgba(15, 29, 46, .35); transition: transform .25s ease, opacity .25s ease;
}
.mobile-cta .icon { color: #6fd3a3; }
.mobile-cta.is-hidden { transform: translateY(140%); opacity: 0; pointer-events: none; }

/* =========================================================
   ≥ 40em
   ========================================================= */
@media (min-width: 40em) {
  :root { --gutter: 2rem; }
  .hero-actions { display: flex; flex-wrap: wrap; }
  .hero-facts { display: flex; flex-wrap: wrap; gap: .5rem 1.75rem; }
  .form-row { grid-template-columns: 1fr 1fr; }
  .form-card { padding: 1.75rem; }
  .facts { grid-template-columns: 1fr 1fr; column-gap: 2rem; }
  .trust { grid-template-columns: 1fr 1fr; gap: 2rem 2.5rem; }
  .post-grid { grid-template-columns: 1fr 1fr; }
  .call { padding: 1.4rem 1.4rem 1.5rem; }
  .snippet { margin: -4.5rem 1.25rem 0; }
}

/* =========================================================
   ≥ 48em
   ========================================================= */
@media (min-width: 48em) {
  :root { --section: 6rem; }
  .section-head { display: grid; grid-template-columns: 1.3fr 1fr; gap: 2.5rem; align-items: end; margin-bottom: 3rem; }
  .section-head h2 { margin: 0; }
  .section-head-row { display: flex; }
  .compare-row { grid-template-columns: 1fr 1.5fr 1.5fr; gap: 2rem; align-items: baseline; padding: 1.15rem 0; }
  .compare-row.compare-head { display: grid; padding: .9rem 0; font-size: var(--fs-sm); color: var(--slate); font-weight: 600; }
  .compare-row.compare-head span:last-child { color: var(--ink); }
  .pillars { grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--ink); }
  .pillar { padding: 2rem 2rem 0 0; border-bottom: 0; }
  .pillar + .pillar { padding-left: 2rem; border-left: 1px solid var(--rule); }
  .timeline { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
  .timeline-step { padding: 2.25rem 0 0; margin: 0; border-left: 0; border-top: 2px solid var(--rule-ink); }
  .timeline-step:last-child { border-top-color: var(--rule-ink); }
  .timeline-step::before { left: 0; top: -9px; }
  .teaser-calc { grid-template-columns: 1fr auto; align-items: center; gap: 2.5rem; padding: 2.75rem; }
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr; }
  .page-hero { padding: 3.5rem 0 3.5rem; }
  .article-cta { padding: 2.5rem; }
  .faq-layout .section-head { display: block; }
}

/* =========================================================
   ≥ 64em – Desktop
   ========================================================= */
@media (min-width: 64em) {
  :root { --header-h: 76px; }
  body { padding-bottom: 0; }
  .mobile-cta, .nav-toggle { display: none; }
  .site-nav { position: static; display: flex; align-items: center; gap: 2rem; padding: 0; background: none; border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; max-height: none; overflow: visible; }
  .site-nav ul { display: flex; gap: 1.6rem; margin: 0; }
  .site-nav li a { padding: .35rem 0; border: 0; font-size: 1rem; font-weight: 500; }
  .site-nav li a:hover { text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 6px; }
  .site-nav li a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--brass); text-decoration-thickness: 2px; text-underline-offset: 6px; color: inherit; }
  .site-nav .btn { width: auto; }

  .hero { padding: 4.5rem 0 4.5rem; }
  .hero-grid { grid-template-columns: 1.15fr .85fr; gap: 4.5rem; align-items: center; }
  .call { transform: rotate(1.2deg); }

  .definition { grid-template-columns: 1.1fr 1fr; gap: 5rem; align-items: start; }
  .trust { grid-template-columns: repeat(4, 1fr); }
  .trust li { grid-template-columns: 1fr; }
  .post-grid { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
  .post-grid-2 { grid-template-columns: 1fr 1fr; }

  .branch { grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: center; }
  .snippet { position: absolute; left: auto; right: -2rem; bottom: -2rem; width: min(360px, 80%); margin: 0; }

  .faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 4rem; align-items: start; }
  .faq-layout .section-head { position: sticky; top: calc(var(--header-h) + 2rem); }

  .contact-grid { grid-template-columns: 1fr 1.1fr; gap: 5rem; align-items: center; }
  .calc-grid { grid-template-columns: 1.1fr 1fr; gap: 4rem; }
  .calc-result { position: sticky; top: calc(var(--header-h) + 1.5rem); padding: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .call[data-ready] .msg, .js .call[data-ready] .call-result { opacity: 1; transform: none; }
}

@media print {
  .site-header, .mobile-cta, .site-footer, .contact, .branch-tabs { display: none !important; }
  body { background: #fff; padding: 0; }
  .js .branch[data-active="false"] { display: grid; }
}