/* ============================================================
   kamper-it.de — „Bauplan"-Design
   Marke: Kamper Hausstil (KS-Rot #880000, Rubik + Barlow),
   Akta-Rot #F5333B nur im Akta-Block.
   Signatur: rote Schlagschnur-Linie + Maßketten/Planblatt-Details.
   Schriften LOKAL (kein Google-Fonts-Remote).
   ============================================================ */

@font-face { font-family:'Rubik';  src:url('fonts/Rubik_400Regular.ttf') format('truetype');   font-weight:400; font-display:swap; }
@font-face { font-family:'Rubik';  src:url('fonts/Rubik_600SemiBold.ttf') format('truetype');  font-weight:600; font-display:swap; }
@font-face { font-family:'Barlow'; src:url('fonts/Barlow_500Medium.ttf') format('truetype');   font-weight:500; font-display:swap; }
@font-face { font-family:'Barlow'; src:url('fonts/Barlow_600SemiBold.ttf') format('truetype'); font-weight:600; font-display:swap; }
@font-face { font-family:'Barlow'; src:url('fonts/Barlow_700Bold.ttf') format('truetype');     font-weight:700; font-display:swap; }
@font-face { font-family:'Barlow'; src:url('fonts/Barlow_800ExtraBold.ttf') format('truetype');font-weight:800; font-display:swap; }

:root {
  --red:       #880000;   /* KS-Markenrot — Schlagschnur, Akzente */
  --red-hover: #a51212;
  --akta:      #F5333B;   /* Produktmarke Akta — NUR im Akta-Block */
  --ink:       #151412;
  --ink-soft:  #3a3835;
  --muted:     #6e6a64;
  --hair:      #dedad3;   /* Planpapier-Linien */
  --paper:     #fdfdfc;
  --paper-dim: #f5f4f0;   /* leicht getöntes Planpapier */
  --font-head: 'Barlow', -apple-system, Helvetica, Arial, sans-serif;
  --font-body: 'Rubik', -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --max:       1080px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation:none !important; transition:none !important; }
}
body {
  font-family:var(--font-body); font-size:16.5px; line-height:1.65;
  color:var(--ink); background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
.wrap { max-width:var(--max); margin:0 auto; padding:0 24px; }
a:focus-visible, button:focus-visible {
  outline:3px solid var(--red); outline-offset:3px; border-radius:2px;
}
::selection { background:var(--red); color:#fff; }

/* ---------- Kopf ---------- */
header.site {
  position:sticky; top:0; z-index:20;
  background:rgba(253,253,252,0.92); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--hair);
}
header.site .wrap {
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding-top:16px; padding-bottom:16px;
}
.kamper-logo {
  font-family:var(--font-head); font-weight:800; font-size:1.2rem;
  letter-spacing:0.01em; color:var(--ink); text-decoration:none; white-space:nowrap;
}
.kamper-logo::before { content:"❯ "; color:var(--red); }
.kamper-logo b { color:var(--red); }
nav.top { display:flex; gap:26px; }
nav.top a {
  font-family:var(--font-head); font-weight:600; font-size:0.82rem;
  letter-spacing:0.14em; text-transform:uppercase;
  color:var(--ink-soft); text-decoration:none;
}
nav.top a:hover { color:var(--red); }

/* ---------- Planblatt-Kopfzeile (Signatur-Struktur) ----------
   Jede Sektion = ein Blatt aus dem Plansatz: BLATT 01 · TITEL   */
.sheet-head {
  display:flex; align-items:baseline; gap:14px;
  border-top:2px solid var(--ink); padding-top:12px; margin-bottom:34px;
}
.sheet-head .no {
  font-family:var(--font-mono); font-weight:700; font-size:0.78rem;
  letter-spacing:0.12em; color:var(--red); white-space:nowrap;
}
.sheet-head h2 {
  font-family:var(--font-head); font-weight:800; font-size:clamp(1.5rem, 3.2vw, 2.1rem);
  letter-spacing:-0.01em; text-transform:uppercase; line-height:1.1;
}
.sheet-head .dim { margin-left:auto; }

/* Maßkette: |––– label –––| */
.dim {
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-weight:400; font-size:0.7rem;
  letter-spacing:0.18em; text-transform:uppercase; color:var(--muted);
  white-space:nowrap;
}
.dim::before, .dim::after {
  content:""; height:1px; width:38px; background:var(--muted); position:relative;
}
.dim::before { box-shadow:-1px -4px 0 0 var(--muted) inset; border-left:1px solid var(--muted); height:9px; width:38px; background:linear-gradient(to bottom, transparent 4px, var(--muted) 4px, var(--muted) 5px, transparent 5px); }
.dim::after  { border-right:1px solid var(--muted); height:9px; width:38px; background:linear-gradient(to bottom, transparent 4px, var(--muted) 4px, var(--muted) 5px, transparent 5px); box-shadow:none; }

/* ---------- Hero ---------- */
.hero { position:relative; padding:88px 0 96px; overflow:hidden; }
.hero .eyebrow {
  font-family:var(--font-mono); font-size:0.76rem;
  letter-spacing:0.18em; text-transform:uppercase; color:var(--muted);
  margin-bottom:26px;
}
.hero .eyebrow b { color:var(--red); font-weight:600; }
.hero h1 {
  font-family:var(--font-head); font-weight:800;
  font-size:clamp(2.7rem, 8.2vw, 6.1rem);
  line-height:0.98; letter-spacing:-0.02em; text-transform:uppercase;
  max-width:900px;
}
.hero h1 .line { display:block; }
.hero h1 em { font-style:normal; color:var(--red); position:relative; white-space:nowrap; }
.hero h1 em svg.scribble {
  position:absolute; left:-1%; right:auto; bottom:-0.18em; width:102%; height:0.22em;
  overflow:visible;
}
.hero h1 em svg.scribble path {
  fill:none; stroke:var(--red); stroke-width:5; stroke-linecap:round; opacity:0.55;
}
.hero p.lead {
  margin-top:34px; font-size:1.14rem; color:var(--ink-soft); max-width:600px;
}
.hero .cta-row { margin-top:40px; display:flex; align-items:center; gap:22px; flex-wrap:wrap; }

/* Schlagschnur: leicht unregelmäßige rote Linie, zieht sich beim Laden */
.chalk { display:block; width:100%; height:26px; margin-top:56px; }
.chalk path {
  fill:none; stroke:var(--red); stroke-width:3; stroke-linecap:round;
  stroke-dasharray:1600; stroke-dashoffset:1600;
  animation:snap 1.1s cubic-bezier(.7,0,.3,1) 0.25s forwards;
}
@keyframes snap { to { stroke-dashoffset:0; } }
@media (prefers-reduced-motion: reduce) { .chalk path { stroke-dashoffset:0; } }

/* Aufmaß-Notiz unterm Hero */
.hero .note { margin-top:18px; }

/* ---------- Sektionen ---------- */
section { padding:78px 0; }
section.dim-bg { background:var(--paper-dim); }
p + p { margin-top:14px; }
.muted { color:var(--muted); font-size:0.92rem; }

/* ---------- Akta ---------- */
.akta-grid { display:grid; grid-template-columns:minmax(200px, 300px) 1fr; gap:56px; align-items:start; }
.akta-mark { text-align:center; padding-top:6px; }
.akta-mark svg { width:min(180px, 60%); height:auto; filter:drop-shadow(0 14px 22px rgba(245,51,59,0.22)); }
.akta-word {
  display:block; margin-top:18px;
  font-family:var(--font-head); font-weight:800; font-size:2rem; letter-spacing:-0.01em;
}
.akta-word b { color:var(--akta); }
.badge {
  display:inline-block; margin-top:10px;
  font-family:var(--font-head); font-weight:600; font-size:0.72rem;
  letter-spacing:0.16em; text-transform:uppercase;
  color:var(--akta); border:1px solid currentColor; border-radius:2px; padding:5px 12px;
}
.akta-copy > p:first-child { font-size:1.12rem; color:var(--ink-soft); max-width:560px; }
ul.checks { list-style:none; margin-top:26px; display:grid; gap:16px; }
ul.checks li { padding-left:34px; position:relative; color:var(--ink-soft); max-width:620px; }
ul.checks li strong { color:var(--ink); }
ul.checks li::before {
  content:"✓"; position:absolute; left:0; top:-2px;
  font-family:var(--font-head); font-weight:800; font-size:1.25rem; color:var(--akta);
}
.akta-copy .muted { margin-top:26px; }
.akta-copy .muted a { color:var(--akta); font-weight:600; text-decoration:none; border-bottom:2px solid currentColor; }

/* ---------- App-Screenshots (Handy-Rahmen, horizontal) ---------- */
.shots-head { margin-top:64px; display:flex; justify-content:flex-start; }
.shots {
  margin-top:22px; display:flex; gap:26px;
  overflow-x:auto; padding:6px 2px 22px;
  scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch;
}
.shots::-webkit-scrollbar { height:8px; }
.shots::-webkit-scrollbar-thumb { background:var(--hair); border-radius:4px; }
.phone {
  flex:0 0 auto; width:min(250px, 72vw); scroll-snap-align:start;
  user-select:none; -webkit-user-select:none;
}
.phone img {
  display:block; width:100%; height:auto;
  border:6px solid var(--ink); border-radius:26px;
  box-shadow:0 22px 40px -18px rgba(21,20,18,0.35);
  background:#fff;
  pointer-events:none; -webkit-user-drag:none;
}
.phone figcaption, .viz-result figcaption {
  margin-top:12px;
  font-family:var(--font-mono); font-size:0.72rem;
  letter-spacing:0.08em; text-transform:uppercase; color:var(--muted);
}
.phone figcaption::before, .viz-result figcaption::before { content:"└ "; color:var(--red); }

/* ---------- KI-Visualisierung ---------- */
.viz {
  margin-top:70px; display:grid; grid-template-columns:minmax(300px, 1fr) auto;
  gap:48px; align-items:start;
  border-top:2px solid var(--ink); padding-top:36px;
}
.viz-tag {
  font-family:var(--font-mono); font-weight:700; font-size:0.72rem;
  letter-spacing:0.16em; text-transform:uppercase; color:var(--red);
}
.viz-copy h3 {
  font-family:var(--font-head); font-weight:800;
  font-size:clamp(1.5rem, 3vw, 2.1rem); line-height:1.12; letter-spacing:-0.01em;
  text-transform:uppercase; margin:14px 0 16px;
}
.viz-copy > p { color:var(--ink-soft); max-width:480px; }
ol.viz-steps { margin:22px 0 0; padding:0; list-style:none; counter-reset:viz; max-width:500px; }
ol.viz-steps li {
  counter-increment:viz; position:relative; padding:0 0 18px 52px; color:var(--ink-soft);
}
ol.viz-steps li strong { color:var(--ink); }
ol.viz-steps li::before {
  content:counter(viz, decimal-leading-zero); position:absolute; left:0; top:1px;
  font-family:var(--font-head); font-weight:800; font-size:1.15rem; color:var(--red);
}
.viz-copy .muted { margin-top:8px; max-width:480px; }
.viz-media { display:flex; gap:26px; align-items:flex-start; position:relative; }
.viz-arrow {
  position:absolute; left:-64px; top:38%; width:58px; height:auto; color:var(--red);
  transform:rotate(-8deg);
}
@media (max-width:900px) { .viz-arrow { display:none; } }
.viz-media .phone { width:min(230px, 60vw); }
.viz-result { width:min(260px, 68vw); flex:0 0 auto; user-select:none; -webkit-user-select:none; }
.viz-result img {
  display:block; width:100%; height:auto; border-radius:6px;
  border:1px solid var(--hair);
  box-shadow:0 22px 40px -18px rgba(21,20,18,0.35);
  pointer-events:none; -webkit-user-drag:none;
}
@media (max-width:900px) {
  .viz { grid-template-columns:1fr; }
  .viz-media { flex-wrap:wrap; }
}

/* ---------- Leistungen ---------- */
.cards { display:grid; grid-template-columns:repeat(auto-fit, minmax(250px, 1fr)); gap:2px; background:var(--hair); border:1px solid var(--hair); }
.card {
  background:var(--paper); padding:34px 28px 38px; position:relative;
  transition:background 0.25s ease;
}
.card:hover { background:#fff; }
.card:hover .tag { color:var(--red); }
.card .tag {
  font-family:var(--font-mono); font-weight:700; font-size:0.7rem;
  letter-spacing:0.16em; text-transform:uppercase; color:var(--muted);
  transition:color 0.25s ease;
}
.card h3 {
  font-family:var(--font-head); font-weight:800; font-size:1.35rem;
  text-transform:uppercase; letter-spacing:-0.005em; margin:14px 0 12px; line-height:1.15;
}
.card p { font-size:0.98rem; color:var(--ink-soft); }
.card::after {
  content:""; position:absolute; left:28px; right:28px; bottom:0; height:3px;
  background:var(--red); transform:scaleX(0); transform-origin:left;
  transition:transform 0.3s ease;
}
.card:hover::after { transform:scaleX(1); }

/* ---------- Arbeitsweise ---------- */
.claim {
  font-family:var(--font-head); font-weight:800;
  font-size:clamp(1.6rem, 3.6vw, 2.5rem); line-height:1.15; letter-spacing:-0.01em;
  text-transform:uppercase; max-width:820px;
}
.claim em { font-style:normal; color:var(--red); }
.proof { margin-top:38px; display:grid; gap:0; max-width:760px; }
.proof li {
  list-style:none; padding:16px 0 16px 30px; position:relative;
  border-top:1px solid var(--hair); color:var(--ink-soft);
}
.proof li:last-child { border-bottom:1px solid var(--hair); }
.proof li::before {
  content:""; position:absolute; left:2px; top:24px; width:12px; height:12px;
  border-top:2px solid var(--red); border-right:2px solid var(--red);
  transform:rotate(45deg);
}
.arbeitsweise .muted { margin-top:26px; }

/* ---------- Kontakt (roter Abbinder) ---------- */
section.kontakt { background:var(--red); color:#fff; padding:90px 0; }
.kontakt .sheet-head { border-top-color:rgba(255,255,255,0.9); }
.kontakt .sheet-head .no { color:#fff; opacity:0.85; }
.kontakt .sheet-head h2 { color:#fff; }
.kontakt p { color:rgba(255,255,255,0.92); max-width:560px; font-size:1.1rem; }
.mail-cta {
  display:inline-block; margin-top:36px;
  font-family:var(--font-head); font-weight:800;
  font-size:clamp(1.3rem, 4vw, 2.4rem); letter-spacing:-0.01em;
  color:#fff; text-decoration:none;
  border-bottom:4px solid rgba(255,255,255,0.55);
  padding-bottom:6px; transition:border-color 0.25s ease;
}
.mail-cta:hover { border-color:#fff; }
.kontakt .muted { color:rgba(255,255,255,0.75); margin-top:22px; font-size:0.88rem; }

/* ---------- Buttons ---------- */
.btn {
  display:inline-block; background:var(--red); color:#fff; text-decoration:none;
  font-family:var(--font-head); font-weight:700; font-size:0.9rem;
  letter-spacing:0.1em; text-transform:uppercase;
  padding:16px 34px; border-radius:2px; transition:background 0.2s ease;
}
.btn:hover { background:var(--red-hover); }
.link-quiet {
  font-family:var(--font-head); font-weight:600; font-size:0.85rem;
  letter-spacing:0.12em; text-transform:uppercase;
  color:var(--ink-soft); text-decoration:none; border-bottom:2px solid var(--hair);
  padding-bottom:3px;
}
.link-quiet:hover { color:var(--red); border-color:var(--red); }

/* ---------- Fuß ---------- */
footer.site { background:var(--ink); color:#8f8b85; padding:34px 0; }
footer.site .wrap { display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px; }
footer.site, footer.site a { font-size:0.85rem; }
footer.site a { color:#c9c5bf; text-decoration:none; margin-right:18px; }
footer.site a:hover { color:#fff; }

/* ---------- Unterseiten (Impressum/Datenschutz) ---------- */
main.legal { padding:56px 0 90px; }
main.legal h1 {
  font-family:var(--font-head); font-weight:800; text-transform:uppercase;
  font-size:clamp(1.8rem, 4vw, 2.6rem); letter-spacing:-0.01em;
  border-top:2px solid var(--ink); padding-top:14px;
}
main.legal h2 {
  font-family:var(--font-head); font-weight:700; font-size:1.05rem;
  text-transform:uppercase; letter-spacing:0.06em; margin-top:34px; margin-bottom:8px;
}
main.legal address { font-style:normal; }
main.legal a { color:var(--red); }

/* ---------- Responsiv ---------- */
@media (max-width:760px) {
  .akta-grid { grid-template-columns:1fr; gap:34px; }
  .akta-mark { text-align:left; }
  .akta-mark svg { width:120px; }
  .sheet-head .dim { display:none; }
}
@media (max-width:560px) {
  nav.top { gap:14px; }
  nav.top a { font-size:0.72rem; letter-spacing:0.1em; }
  .hero { padding:60px 0 64px; }
  section { padding:56px 0; }
  section.kontakt { padding:64px 0; }
}


/* ---------- Scroll-Reveal (Trend: erzählende Animation, dezent) ---------- */
.js .reveal { opacity:0; transform:translateY(26px); transition:opacity 0.7s ease, transform 0.7s ease; }
.js .reveal.in { opacity:1; transform:none; }
.js .reveal:nth-child(2) { transition-delay:0.08s; }
.js .reveal:nth-child(3) { transition-delay:0.16s; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity:1; transform:none; transition:none; }
}