/* =========================================================================
   Steinwerk — Demo-Muster für Handwerksbetriebe
   Reines CSS, keine externen Abhängigkeiten, keine Webfonts.
   ========================================================================= */

/* ---------- 1. Design-Tokens ---------- */
:root {
  --ink:        #17130f;
  --ink-2:      #2a231d;
  --ink-soft:   #4b423a;
  --muted:      #7a6f65;
  --line:       #e2dad0;
  --sand:       #f6f1e9;
  --sand-2:     #efe8dc;
  --paper:      #fcfaf7;
  --clay:       #a65a38;
  --clay-dark:  #7d4026;
  --clay-soft:  #f0e0d6;
  --sage:       #3f5b4f;

  --radius:     4px;
  --radius-lg:  8px;
  --wrap:       1180px;
  --shadow:     0 1px 2px rgba(23,19,15,.04), 0 12px 32px -12px rgba(23,19,15,.14);
  --shadow-lg:  0 24px 60px -24px rgba(23,19,15,.34);

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: "New York", ui-serif, Georgia, Charter, "Bitstream Charter", "Sitka Text", Cambria, serif;
}

/* ---------- 2. Reset & Basis ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

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

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; }

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  line-height: 1.12;
  letter-spacing: -.022em;
  font-weight: 600;
}
h1 { font-size: clamp(2.2rem, 5.2vw, 3.85rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.65rem, 3.4vw, 2.5rem); letter-spacing: -.028em; }
h3 { font-size: 1.16rem; }
p  { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

em { font-family: var(--serif); font-style: italic; letter-spacing: -.01em; }

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

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: #fff; padding: .8rem 1.2rem; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ---------- 3. Layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 24px; }
.wrap--narrow { max-width: 780px; }

.section { padding: clamp(64px, 9vw, 120px) 0; }
.section--sand { background: var(--sand); }
.section--dark { background: var(--ink); color: #efe9e1; }
.section--dark h2 { color: #fff; }
.section--dark .eyebrow { color: #d99a75; }
.section--dark .section__intro { color: #b6ada3; }

.section__head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 60px); }
.section__intro { color: var(--ink-soft); font-size: 1.06rem; }
.section--dark .section__intro { color: #b6ada3; }

.eyebrow {
  display: block;
  margin-bottom: .9rem;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--clay);
}

.lead { font-size: 1.1rem; color: var(--ink-soft); max-width: 54ch; }

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .82rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: .95rem; font-weight: 600; letter-spacing: -.005em;
  text-decoration: none; cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn--sm { padding: .55rem 1.05rem; font-size: .87rem; }
.btn--lg { padding: 1rem 1.9rem; font-size: 1rem; }
.btn--full { width: 100%; }

.btn--primary { background: var(--clay); color: #fff; }
.btn--primary:hover { background: var(--clay-dark); transform: translateY(-1px); }

.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); background: #fff; }

.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--clay-soft); transform: translateY(-1px); }

.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ---------- 5. Topbar & Header ---------- */
.topbar { background: var(--ink); color: #cfc6bc; font-size: .82rem; }
.topbar__inner { display: flex; gap: 1.6rem; padding-block: .5rem; }
.topbar__item { margin: 0; white-space: nowrap; }
.topbar__item a { text-decoration: none; }
.topbar__item a:hover { color: #fff; }
.topbar__item--hide { margin-left: auto; }
.ico { color: #d99a75; margin-right: .3rem; }

.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(252,250,247,.92);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.header.is-stuck { border-bottom-color: var(--line); box-shadow: 0 6px 24px -18px rgba(23,19,15,.4); }

.header__inner { display: flex; align-items: center; gap: 1.5rem; min-height: 78px; }

.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; margin-right: auto; }
.brand__mark { width: 34px; height: 34px; fill: var(--clay); flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong { font-size: 1.06rem; letter-spacing: -.02em; }
.brand__text small { font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

.nav { display: flex; align-items: center; gap: 1.9rem; }
.nav a { text-decoration: none; font-size: .95rem; color: var(--ink-soft); font-weight: 500; }
.nav a:not(.btn):hover { color: var(--clay); }
.nav__cta { margin-left: .4rem; }

.burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 0 10px;
  background: none; border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer;
}
.burger span { display: block; height: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 6. Hero ---------- */
.hero { padding: clamp(56px, 8vw, 104px) 0 clamp(52px, 7vw, 88px); overflow: hidden; }
.hero__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(36px, 5vw, 72px); align-items: center; }

.hero h1 em { color: var(--clay); }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0 1.8rem; }

.hero__chips { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; margin: 0; padding: 0; }
.hero__chips li {
  font-size: .8rem; font-weight: 500; color: var(--ink-soft);
  padding: .34rem .8rem; border: 1px solid var(--line); border-radius: 100px; background: #fff;
}

/* Collage */
.collage { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 10px; }
.collage__tile { margin: 0; border-radius: var(--radius); min-height: 168px; box-shadow: var(--shadow); }
.collage__tile:nth-child(1) { grid-row: span 2; min-height: 346px; }
.collage__badge {
  grid-column: 2; align-self: end; justify-self: end;
  background: var(--ink); color: #fff; padding: .85rem 1.1rem; border-radius: var(--radius);
  display: flex; flex-direction: column; line-height: 1.25;
  box-shadow: var(--shadow-lg); transform: translateY(14%);
}
.collage__badge strong { font-size: 1.5rem; letter-spacing: -.03em; }
.collage__badge span { font-size: .72rem; color: #b6ada3; max-width: 12ch; }

/* ---------- 7. Fliesenmuster (reines CSS) ---------- */
.swatch-marble, .swatch-terrazzo, .swatch-herringbone,
.swatch-mosaic, .swatch-slate, .swatch-clay, .raw {
  background-repeat: repeat;
}

.swatch-marble {
  background-color: #2c2b33;
  background-image:
    radial-gradient(ellipse 120% 60% at 20% 15%, rgba(255,255,255,.30), transparent 55%),
    radial-gradient(ellipse 90% 40% at 78% 62%, rgba(214,206,232,.26), transparent 60%),
    radial-gradient(ellipse 70% 30% at 45% 88%, rgba(255,255,255,.14), transparent 65%),
    repeating-linear-gradient(115deg, rgba(255,255,255,.055) 0 2px, transparent 2px 9px),
    repeating-linear-gradient(-25deg, rgba(255,255,255,.04) 0 1px, transparent 1px 14px);
  background-size: 100% 100%, 100% 100%, 100% 100%, auto, auto;
}

.swatch-terrazzo {
  background-color: #e4d8c6;
  background-image:
    radial-gradient(circle at 18% 26%, #b8654a 0 3px, transparent 3.5px),
    radial-gradient(circle at 62% 18%, #7e8a6b 0 2.2px, transparent 2.7px),
    radial-gradient(circle at 82% 58%, #c9b291 0 3.4px, transparent 3.9px),
    radial-gradient(circle at 34% 78%, #9aa2ab 0 2.6px, transparent 3.1px),
    radial-gradient(circle at 52% 46%, #f7f1e7 0 4px, transparent 4.6px),
    radial-gradient(circle at 12% 62%, #d9c3a5 0 2px, transparent 2.5px);
  background-size: 118px 118px, 96px 96px, 142px 142px, 108px 108px, 132px 132px, 124px 124px;
}

.swatch-herringbone {
  background-color: #c0a481;
  background-image:
    repeating-linear-gradient( 45deg, rgba(60,40,24,.20) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(-45deg, rgba(60,40,24,.20) 0 1px, transparent 1px 22px),
    repeating-linear-gradient( 45deg, rgba(255,255,255,.16) 0 10px, transparent 10px 22px),
    repeating-linear-gradient(-45deg, rgba(255,255,255,.16) 0 10px, transparent 10px 22px);
}

.swatch-mosaic {
  background-color: #cfd9d4;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 17px, rgba(255,255,255,.55) 17px 19px),
    repeating-linear-gradient( 0deg, #2f6b6a 0 17px, transparent 17px 19px),
    repeating-linear-gradient( 0deg, #2f6b6a 0 17px, #dcc9a8 17px 19px, transparent 19px);
  background-size: 19px 19px, 38px 38px, 19px 19px;
  background-position: 0 0, 0 0, 0 0;
}

.swatch-slate {
  background-color: #4d5459;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 148px, rgba(255,255,255,.10) 148px 150px),
    repeating-linear-gradient( 0deg, transparent 0 74px, rgba(255,255,255,.07) 74px 76px),
    linear-gradient(160deg, rgba(255,255,255,.14), transparent 55%),
    repeating-linear-gradient(80deg, rgba(0,0,0,.10) 0 1px, transparent 1px 6px);
}

.swatch-clay {
  background-color: #a9603c;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 62px, rgba(255,255,255,.30) 62px 64px),
    repeating-linear-gradient( 0deg, transparent 0 62px, rgba(255,255,255,.30) 62px 64px),
    linear-gradient(200deg, rgba(255,255,255,.18), transparent 60%);
}

/* Rohbau / Estrich */
.raw {
  background-color: #8e8a83;
  background-image:
    radial-gradient(ellipse 80% 50% at 30% 30%, rgba(255,255,255,.10), transparent 60%),
    radial-gradient(ellipse 60% 40% at 70% 70%, rgba(0,0,0,.16), transparent 60%),
    repeating-linear-gradient(28deg, rgba(0,0,0,.06) 0 1px, transparent 1px 7px),
    repeating-linear-gradient(-18deg, rgba(0,0,0,.05) 0 1px, transparent 1px 11px);
}
.raw::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, transparent 48%, rgba(0,0,0,.12) 48% 49%, transparent 49%),
    radial-gradient(circle at 30% 60%, rgba(0,0,0,.18) 0 2px, transparent 3px),
    radial-gradient(circle at 68% 34%, rgba(0,0,0,.15) 0 3px, transparent 4px);
}

/* ---------- 8. Kennzahlen ---------- */
.stats { background: var(--sand-2); border-block: 1px solid var(--line); }
.stats__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.stat { background: var(--sand-2); padding: 1.9rem 1.2rem; text-align: center; }
.stat strong { display: block; font-size: clamp(1.7rem, 3vw, 2.3rem); letter-spacing: -.035em; color: var(--clay); }
.stat span { font-size: .82rem; color: var(--muted); letter-spacing: .02em; }

/* ---------- 9. Leistungen ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.card { background: var(--paper); padding: 2rem 1.7rem; transition: background-color .2s ease; }
.card:hover { background: #fff; }
.card__num { display: block; font-size: .76rem; font-weight: 600; letter-spacing: .12em; color: var(--clay); margin-bottom: .9rem; }
.card h3 { margin-bottom: .55rem; }
.card p { color: var(--ink-soft); font-size: .95rem; }
.card__list { list-style: none; margin: 1.1rem 0 0; padding: 0; border-top: 1px solid var(--line); padding-top: .9rem; }
.card__list li { position: relative; padding-left: 1.15rem; font-size: .88rem; color: var(--muted); margin-bottom: .35rem; }
.card__list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 5px; height: 5px; background: var(--clay); border-radius: 1px; }

/* ---------- 10. Referenzen ---------- */
.filters { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 1.6rem; }
.chip {
  padding: .5rem 1.05rem; border: 1px solid rgba(255,255,255,.2); border-radius: 100px;
  background: transparent; color: #cfc6bc; font-size: .88rem; font-weight: 500; cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.chip:hover { border-color: #fff; color: #fff; }
.chip.is-active { background: var(--clay); border-color: var(--clay); color: #fff; }

.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.4rem; }
.project {
  margin: 0; border-radius: var(--radius-lg); overflow: hidden;
  background: #221d18; border: 1px solid rgba(255,255,255,.09);
  transition: transform .25s ease, border-color .25s ease;
}
.project:hover { transform: translateY(-4px); border-color: rgba(255,255,255,.22); }
.project.is-hidden { display: none; }
.project__img { position: relative; aspect-ratio: 4 / 3; }
.project__tag {
  position: absolute; left: 12px; top: 12px;
  background: rgba(23,19,15,.78); color: #fff;
  font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .3rem .65rem; border-radius: 100px; backdrop-filter: blur(4px);
}
.project figcaption { padding: 1.15rem 1.3rem 1.35rem; }
.project h3 { margin-bottom: .3rem; color: #fff; font-size: 1.05rem; }
.project p { margin: 0; font-size: .88rem; color: #a89e93; }

/* Vorher / Nachher */
.ba { margin-top: 2.4rem; }
.ba__frame {
  position: relative; aspect-ratio: 16 / 8; border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-lg); cursor: ew-resize; touch-action: none;
  user-select: none;
}
.ba__before { position: absolute; inset: 0; width: 50%; overflow: hidden; }
.ba__before.raw { background-attachment: local; }
.ba__divider {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 2px;
  background: rgba(255,255,255,.9); transform: translateX(-1px); pointer-events: none;
}
.ba__handle {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 46px; height: 46px; border-radius: 50%;
  background: #fff; color: var(--ink); display: grid; place-items: center;
  font-size: 1.1rem; box-shadow: 0 6px 20px rgba(0,0,0,.34);
}
.ba__badge {
  position: absolute; top: 14px; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  padding: .35rem .8rem; border-radius: 100px; background: rgba(23,19,15,.7); color: #fff;
  backdrop-filter: blur(4px); pointer-events: none;
}
.ba__badge--raw { left: 14px; }
.ba__badge--done { right: 14px; }
.ba__caption { margin: 1rem 0 0; color: #a89e93; font-size: .93rem; }
.ba__caption strong { color: #fff; }
.ba__caption em { color: #d99a75; }

/* ---------- 11. Ablauf ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.step { display: grid; grid-template-columns: 92px 1fr; gap: 1.4rem; padding: 1.8rem 0; border-top: 1px solid var(--line); }
.step:last-child { border-bottom: 1px solid var(--line); }
.step__num { font-family: var(--serif); font-size: 1.7rem; color: var(--clay); line-height: 1; }
.step h3 { margin-bottom: .35rem; }
.step p { color: var(--ink-soft); max-width: 68ch; margin: 0; }

/* ---------- 12. USP ---------- */
.usp { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(36px, 5vw, 72px); align-items: start; }
.ticks { list-style: none; margin: 1.6rem 0 2rem; padding: 0; }
.ticks li { position: relative; padding-left: 2rem; margin-bottom: .75rem; color: var(--ink-soft); }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .48em; width: 18px; height: 9px;
  border-left: 2px solid var(--clay); border-bottom: 2px solid var(--clay);
  transform: rotate(-45deg);
}
.usp__facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.fact { background: var(--paper); padding: 1.3rem 1.2rem; }
.fact dt { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: .3rem; }
.fact dd { margin: 0; font-size: 1.02rem; font-weight: 600; letter-spacing: -.01em; }

/* ---------- 13. Bewertungen ---------- */
.quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1.4rem; }
.quote { margin: 0; padding: 1.9rem 1.7rem; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.quote__stars { color: var(--clay); letter-spacing: .12em; font-size: .95rem; margin-bottom: .9rem; }
.quote blockquote { margin: 0 0 1.1rem; font-family: var(--serif); font-size: 1.06rem; line-height: 1.55; color: var(--ink); }
.quote figcaption { font-size: .82rem; color: var(--muted); letter-spacing: .02em; }

/* ---------- 14. FAQ ---------- */
.accordion { border-top: 1px solid var(--line); }
.acc { border-bottom: 1px solid var(--line); }
.acc summary {
  list-style: none; cursor: pointer; padding: 1.25rem 2.5rem 1.25rem 0;
  font-size: 1.04rem; font-weight: 600; letter-spacing: -.012em; position: relative;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after {
  content: ""; position: absolute; right: .3rem; top: 50%;
  width: 11px; height: 11px; margin-top: -6px;
  border-right: 2px solid var(--clay); border-bottom: 2px solid var(--clay);
  transform: rotate(45deg); transition: transform .2s ease;
}
.acc[open] summary::after { transform: rotate(-135deg); }
.acc summary:hover { color: var(--clay); }
.acc__body { padding: 0 2rem 1.4rem 0; color: var(--ink-soft); }

/* ---------- 15. Kontakt & Formular ---------- */
.contact { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.contact__list { display: grid; gap: 1.1rem; margin: 1.8rem 0; }
.contact__list dt { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: .2rem; }
.contact__list dd { margin: 0; font-size: 1.02rem; }
.contact__list a { color: var(--clay); text-decoration: none; border-bottom: 1px solid var(--clay-soft); }
.contact__list a:hover { border-bottom-color: var(--clay); }
.contact__note { font-size: .9rem; color: var(--muted); border-left: 2px solid var(--clay-soft); padding-left: 1rem; }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; padding: 1.9rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.field { display: flex; flex-direction: column; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .82rem; font-weight: 600; margin-bottom: .4rem; color: var(--ink-soft); }
.field input, .field select, .field textarea {
  font: inherit; font-size: .95rem; color: var(--ink);
  padding: .72rem .85rem; background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius); width: 100%;
  transition: border-color .16s ease, box-shadow .16s ease;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--clay); background: #fff;
  box-shadow: 0 0 0 3px rgba(166,90,56,.12);
}
.field input::placeholder, .field textarea::placeholder { color: #a89e93; }
.field__error { display: none; margin-top: .35rem; font-size: .8rem; color: #b3261e; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #b3261e; }
.field.has-error .field__error { display: block; }

.check { display: flex; gap: .7rem; align-items: flex-start; font-size: .86rem !important; font-weight: 400 !important; color: var(--ink-soft) !important; cursor: pointer; }
.check input { width: 18px; height: 18px; flex: none; margin-top: .15rem; accent-color: var(--clay); }
.check a { color: var(--clay); }

.form__hint { margin: .8rem 0 0; font-size: .8rem; color: var(--muted); text-align: center; }

/* Honeypot — von Screenreadern und Menschen ignoriert, von Bots oft ausgefüllt */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.check--opt span em { margin-top: .15rem; }

.form__success {
  grid-column: 1 / -1; padding: 1.1rem 1.2rem;
  background: #eef4f0; border: 1px solid #c3d6cb; border-radius: var(--radius);
  color: var(--sage); font-size: .93rem;
}
.form__success strong { display: block; margin-bottom: .2rem; }
.form__success p { margin: 0; }

/* ---------- 16. CTA-Band ---------- */
.cta { background: var(--clay); color: #fff; padding: clamp(56px, 8vw, 92px) 0; }
.cta__inner { text-align: center; max-width: 620px; }
.cta h2 { color: #fff; margin-bottom: .5rem; }
.cta p { color: rgba(255,255,255,.85); margin-bottom: 1.8rem; }

/* ---------- 17. Footer ---------- */
.footer { background: var(--ink); color: #a89e93; padding-top: clamp(48px, 6vw, 72px); font-size: .9rem; }
.footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2.4rem; padding-bottom: 3rem; }
.brand--footer { margin-bottom: 1rem; }
.brand--footer .brand__text strong { color: #fff; }
.footer__claim { max-width: 34ch; font-size: .88rem; }
.footer h4 { color: #fff; font-size: .76rem; letter-spacing: .13em; text-transform: uppercase; margin-bottom: .9rem; }
.footer__nav a { display: block; text-decoration: none; margin-bottom: .5rem; font-size: .88rem; }
.footer__nav a:hover { color: #fff; }
.footer__contact p { margin-bottom: .9rem; }
.footer__contact a { text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.18); }
.footer__contact a:hover { color: #fff; }
.footer__bottom {
  display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,.1); padding-block: 1.4rem; font-size: .8rem;
}
.footer__bottom p { margin: 0; }
.footer__demo { color: #6f665e; }

/* ---------- 18. Reveal-Animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s cubic-bezier(.22,.7,.3,1), transform .6s cubic-bezier(.22,.7,.3,1); }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 19. Responsive ---------- */
@media (max-width: 980px) {
  .hero__inner, .usp, .contact { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
  .collage__tile:nth-child(1) { min-height: 220px; }
  .collage__tile { min-height: 120px; }
  .collage__badge { transform: none; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .stats__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .topbar__item--hide { display: none; }
  .topbar__inner { justify-content: space-between; }

  .burger { display: flex; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: .5rem 24px 1.2rem; display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: .85rem 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .nav a:last-child { border-bottom: 0; }
  .nav__cta { margin: .9rem 0 0; border: 0 !important; }

  .form { grid-template-columns: 1fr; padding: 1.4rem; }
  .step { grid-template-columns: 56px 1fr; gap: .9rem; }
  .ba__frame { aspect-ratio: 4 / 3; }
  .usp__facts { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}