/* ============================================================
   Christoph Kollmann — KI für Immobiliensachverständige
   Design: monochrome editorial · Schwarz / Weiß / Warmgrau
   Überlappung (sticky) nur an 2 Stellen: Hero + Abschluss
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300..600;1,9..144,300..500&family=Hanken+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --paper:      #F1EFEA;
  --paper-2:    #FBFAF7;
  --card:       #FFFFFF;
  --dark:       #16150F;
  --dark-2:     #211F18;

  --ink:        #1A1915;
  --ink-soft:   #4D4B45;
  --ink-faint:  #86837B;

  --tint:       #E9E6DE;
  --tint-bd:    #D8D4C9;

  --line:       rgba(26, 25, 21, 0.13);
  --line-soft:  rgba(26, 25, 21, 0.07);
  --on-dark:    rgba(255,255,255,.72);
  --on-dark-bd: rgba(255,255,255,.22);

  --shadow-sm:  0 1px 2px rgba(26,25,21,.05), 0 8px 24px -14px rgba(26,25,21,.2);
  --shadow-md:  0 2px 8px rgba(26,25,21,.06), 0 26px 54px -30px rgba(26,25,21,.34);
  --shadow-lg:  0 50px 100px -45px rgba(26,25,21,.5);
  --stack-shadow: 0 -30px 60px -42px rgba(0,0,0,.42);

  --container:  1180px;
  --radius:     18px;
  --radius-lg:  26px;
  --stack-r:    34px;
  --header-h:   76px;

  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:  'Hanken Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --ease: cubic-bezier(.22,.72,.28,1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding-inline: 30px; }
.section { padding: clamp(72px, 10vw, 132px) 0; position: relative; }
.section--tight { padding: clamp(56px, 7vw, 96px) 0; }
.section--alt { background: var(--paper-2); }
.section--dark { background: var(--dark); color: #fff; }

/* ---------- typography ---------- */
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.08; letter-spacing: -0.015em; color: var(--ink); }
h1 { font-size: clamp(2.4rem, 4.8vw, 4rem); font-weight: 350; line-height: 1.04; letter-spacing: -0.025em; }
h2 { font-size: clamp(2rem, 4.2vw, 3rem); }
h3 { font-size: 1.32rem; letter-spacing: -0.01em; }
.serif-em { font-style: italic; }
.amp { font-family: Georgia, 'Times New Roman', serif; font-style: normal; font-weight: 400; font-size: 0.96em; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }

.eyebrow { font-family: var(--sans); font-weight: 600; font-size: 0.76rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-faint); display: inline-flex; align-items: center; gap: 0.7em; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; display: inline-block; opacity: .7; }
.eyebrow--center::before { display: none; }
.section--dark .eyebrow { color: rgba(255,255,255,.6); }

.lead { font-size: clamp(1.08rem, 1.6vw, 1.24rem); color: var(--ink-soft); line-height: 1.6; }
p { color: var(--ink-soft); }
.section--dark p, .section--dark .lead { color: rgba(255,255,255,.78); }
.muted { color: var(--ink-faint); }

.section-head { max-width: 720px; }
.section-head h2 { margin-top: 18px; }
.section-head p { margin-top: 18px; }
.section-head--center { margin: 0 auto; text-align: center; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.6em; font-family: var(--sans); font-weight: 600; font-size: 1rem; letter-spacing: 0.005em; border-radius: 999px; padding: 0.95rem 1.6rem; border: 1px solid transparent; transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease); will-change: transform; }
.btn .arr { transition: transform .35s var(--ease); display: inline-block; }
.btn:hover .arr { transform: translateX(4px); }
.btn-primary { background: var(--ink); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--dark-2); transform: translateY(-2px); box-shadow: 0 22px 44px -18px rgba(0,0,0,.5); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--card); border-color: rgba(26,25,21,.28); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: #f1efea; transform: translateY(-2px); box-shadow: 0 22px 44px -18px rgba(0,0,0,.6); }
.btn-outline-light { background: transparent; color: #fff; border-color: var(--on-dark-bd); }
.btn-outline-light:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.5); transform: translateY(-2px); }
.btn-sm { padding: 0.7rem 1.15rem; font-size: 0.92rem; }
.btn-block { width: 100%; }

/* ---------- header ---------- */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 200; transition: background .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease); border-bottom: 1px solid transparent; }
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; border: 1px solid transparent; border-radius: 0; transition: max-width .5s var(--ease), margin .5s var(--ease), height .5s var(--ease), padding .5s var(--ease), background .4s var(--ease), border-radius .55s var(--ease), box-shadow .45s var(--ease), border-color .4s var(--ease); }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 600; letter-spacing: -0.01em; color: #fff; transition: color .4s var(--ease); }
.brand .mark { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-family: var(--serif); font-size: 1.05rem; font-weight: 500; border: 1px solid rgba(255,255,255,.5); color: #fff; background: transparent; transition: all .4s var(--ease); }
.brand .brand-name { font-size: 1.02rem; line-height: 1.1; }
.brand .brand-sub { display: block; font-size: 0.66rem; font-weight: 500; letter-spacing: 0.035em; white-space: nowrap; color: rgba(255,255,255,.62); text-transform: uppercase; transition: color .4s var(--ease); }

.nav-links { display: flex; align-items: center; gap: 28px; transition: opacity .35s var(--ease), transform .45s var(--ease), visibility .35s; }
.nav-links a { font-size: 0.95rem; font-weight: 500; color: rgba(255,255,255,.78); position: relative; transition: color .25s var(--ease); }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -5px; width: 100%; height: 1.5px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 0.68rem 1.25rem; font-size: 0.95rem; }

/* Gescrollt → freischwebende, leicht transparente Pill-Bar */
.site-header.scrolled .nav {
  /* Bar nestelt Logo & Button: Logo-links und Button-rechts bleiben bündig mit dem
     Content (90 / 1210), die Bar-Kanten rücken mit ~6px Abstand heran. */
  max-width: calc(var(--container) - 48px);
  margin-top: 13px;
  height: 60px;
  padding-left: 6px;
  padding-right: 6px;
  background: rgba(250, 249, 245, 0.62);
  border-color: rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  box-shadow: 0 14px 38px -16px rgba(26, 25, 21, 0.32), inset 0 1px 0 rgba(255,255,255,.5);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
}
.site-header.scrolled .nav-links { opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-4px); }
.site-header.scrolled .brand { color: var(--ink); }
.site-header.scrolled .brand .brand-sub { color: var(--ink-faint); }
.site-header.scrolled .brand .mark { background: var(--ink); border-color: var(--ink); color: #fff; width: 48px; height: 48px; font-size: 1.28rem; }
.site-header.scrolled .nav-links a { color: var(--ink-soft); }
.site-header.scrolled .nav-links a:hover { color: var(--ink); }
.site-header.scrolled .menu-toggle { border-color: var(--line); background: var(--card); }
.site-header.scrolled .menu-toggle span { background: var(--ink); }
.site-header.scrolled .nav-cta .btn-light { background: var(--ink); color: #fff; }

.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--on-dark-bd); border-radius: 12px; background: rgba(255,255,255,.06); flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.menu-toggle span { width: 18px; height: 1.8px; background: #fff; transition: .3s var(--ease); }
.menu-toggle.open span:nth-child(1) { transform: translateY(6.8px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-6.8px) rotate(-45deg); }

/* ============================================================
   ÜBERLAPPUNG (nur Hero + Abschluss)
   ============================================================ */
.overlap { position: relative; }
/* top wird per JS auf min(0, Fensterhöhe − Panelhöhe) gesetzt: höhere Panels
   (z. B. lange Referenz auf dem Handy) lassen sich erst komplett durchscrollen
   und docken dann an; viewporthohe Panels ergeben top:0 wie am Desktop. */
.ovr-under { position: sticky; top: 0; min-height: 100vh; min-height: 100svh; overflow: hidden; display: flex; align-items: center; }
.ovr-over { position: relative; z-index: 2; border-radius: var(--stack-r) var(--stack-r) 0 0; box-shadow: var(--stack-shadow); }
/* Transparenter Vorlauf vor dem Kontakt-Überlapp → Referenz bleibt beim Scrollen länger sichtbar */
#kontakt.ovr-over { margin-top: 22vh; }

/* ---------- HERO ---------- */
.hero { color: #fff; }
.hero-bg-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 28%; filter: grayscale(82%) brightness(.58) contrast(1.05); z-index: 0; }
.hero-overlay { position: absolute; inset: 0; z-index: 1; background:
  linear-gradient(to bottom, rgba(8,7,5,.55) 0%, rgba(8,7,5,0) 24%, rgba(8,7,5,0) 62%, rgba(8,7,5,.62) 100%),
  linear-gradient(100deg, rgba(8,7,5,.86) 0%, rgba(8,7,5,.5) 48%, rgba(8,7,5,.24) 100%); }
.hero-inner { position: relative; z-index: 2; max-width: 800px; }
.hero .eyebrow { color: rgba(255,255,255,.7); }
.hero h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3.6rem); margin-top: 24px; max-width: none; }
.hero-rule { display: block; width: 60px; height: 1px; background: rgba(255,255,255,.4); margin: 30px 0; }
.hero .lead { color: rgba(255,255,255,.8); margin-top: 0; max-width: 33em; font-size: clamp(1.05rem, 1.4vw, 1.18rem); }
.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero-trust { margin-top: 38px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.16); display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 0.86rem; color: rgba(255,255,255,.66); font-weight: 500; }
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,.55); }
.scroll-hint { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 2; font-size: 0.82rem; letter-spacing: 0.24em; text-transform: uppercase; color: rgba(255,255,255,.6); display: flex; flex-direction: column; align-items: center; gap: 11px; }
.scroll-hint .line { width: 1.5px; height: 48px; background: linear-gradient(rgba(255,255,255,.65), rgba(255,255,255,0)); animation: scrollLine 2.2s var(--ease) infinite; }
@keyframes scrollLine { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- PROBLEM (Zitat links / Text rechts) ---------- */
.problem-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(34px, 5vw, 72px); align-items: center; }
.problem-quote { border-left: 2px solid var(--ink); padding-left: clamp(20px, 3vw, 34px); }
.problem-quote blockquote { font-family: var(--serif); font-weight: 350; font-size: clamp(1.6rem, 3vw, 2.4rem); line-height: 1.25; letter-spacing: -0.02em; color: var(--ink); }
.problem-quote blockquote em { font-style: italic; color: var(--ink-soft); }
.problem-quote cite { display: block; margin-top: 22px; font-style: normal; font-size: 0.9rem; letter-spacing: 0.05em; color: var(--ink-faint); }
.problem-body h2 { margin-top: 16px; }
.problem-body p { margin-top: 18px; }

/* ---------- CREDIBILITY (Über mich) ---------- */
.about-grid { display: grid; grid-template-columns: 0.86fr 1.14fr; gap: clamp(36px, 5vw, 62px); align-items: stretch; }
.about-figure { position: relative; align-self: stretch; min-height: 480px; }
.about-figure img { position: absolute; inset: 0; width: 100%; height: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); object-fit: cover; object-position: center 32%; filter: grayscale(18%); }
.about-figure .frame { position: absolute; inset: 14px -14px -14px 14px; border: 1px solid var(--tint-bd); border-radius: var(--radius-lg); z-index: -1; }
.about-figure .stat-chip { position: absolute; right: -14px; bottom: 24px; background: var(--ink); color: #fff; border-radius: 16px; padding: 16px 20px; box-shadow: var(--shadow-md); z-index: 3; max-width: 210px; }
.about-figure .stat-chip .n { font-family: var(--serif); font-size: 2.1rem; line-height: 1; }
.about-figure .stat-chip .t { font-size: 0.8rem; color: rgba(255,255,255,.8); margin-top: 6px; line-height: 1.35; }
.about-body h2 { margin-top: 18px; }
.about-body p { margin-top: 18px; }
.about-sign { margin-top: 26px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.about-sign .signature { font-family: var(--serif); font-style: italic; font-size: 1.5rem; color: var(--ink); }
.about-sign .role { font-size: 0.9rem; color: var(--ink-faint); }

/* ---------- KI IN DER PRAXIS (Video) ---------- */
.praxis-grid { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: clamp(30px, 3.6vw, 52px); align-items: center; }
.praxis-text h2 { margin-top: 16px; font-size: clamp(1.75rem, 3.3vw, 2.45rem); }
.praxis-text .lead { margin-top: 18px; }
.praxis-list { list-style: none; margin-top: 26px; display: grid; gap: 16px; }
.praxis-list li { position: relative; padding-left: 28px; font-size: 0.96rem; line-height: 1.5; color: rgba(255,255,255,.74); }
.praxis-list li::before { content: ""; position: absolute; left: 0; top: 10px; width: 14px; height: 1.5px; background: rgba(255,255,255,.5); }
.praxis-list .pt { color: #fff; font-weight: 600; }
.praxis-note { margin-top: 26px; font-size: 0.95rem; color: rgba(255,255,255,.6); font-style: italic; font-family: var(--serif); }

.praxis-video { position: relative; display: block; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 16 / 9; transition: transform .45s var(--ease); }
.praxis-video img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(35%) brightness(.78); transition: filter .45s var(--ease), transform .6s var(--ease); }
.praxis-video::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,9,7,.55), rgba(10,9,7,.1) 55%); }
.praxis-video:hover { transform: translateY(-4px); }
.praxis-video:hover img { filter: grayscale(0%) brightness(.92); transform: scale(1.04); }
.praxis-play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 2; width: 76px; height: 76px; border-radius: 50%; background: #fff; color: var(--ink); display: grid; place-items: center; box-shadow: 0 12px 34px -10px rgba(0,0,0,.5); transition: transform .35s var(--ease), background .25s var(--ease); }
.praxis-play svg { margin-left: 4px; }
.praxis-video:hover .praxis-play { transform: translate(-50%, -50%) scale(1.08); }
.praxis-video-badge { position: absolute; left: 18px; bottom: 18px; z-index: 2; background: rgba(20,19,15,.6); backdrop-filter: blur(6px); color: #fff; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.02em; padding: 7px 13px; border-radius: 999px; border: 1px solid rgba(255,255,255,.18); }
.praxis-video.playing { transform: none; cursor: default; }
.praxis-video.playing::after, .praxis-video.playing img, .praxis-video.playing .praxis-play, .praxis-video.playing .praxis-video-badge { display: none; }
.praxis-iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; z-index: 3; }

/* ---------- EINWÄNDE ---------- */
#einwaende .section-head { max-width: 620px; }
#einwaende h2 { font-size: clamp(1.65rem, 3.1vw, 2.25rem); }
#einwaende .section-head .lead { font-size: 1.05rem; margin-top: 14px; }
.obj-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 40px; }
.obj-card { background: var(--card); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: clamp(24px, 2.6vw, 34px); box-shadow: var(--shadow-sm); }
.obj-card .ico { width: 44px; height: 44px; border-radius: 12px; background: var(--tint); border: 1px solid var(--tint-bd); display: grid; place-items: center; color: var(--ink); }
.obj-card h3 { margin-top: 16px; font-size: 1.3rem; }
.obj-card .sub { margin-top: 5px; font-family: var(--serif); font-style: italic; color: var(--ink-soft); font-size: 1.02rem; }
.obj-card p { margin-top: 12px; font-size: 0.97rem; }
.obj-card ul { list-style: none; margin-top: 16px; display: grid; gap: 10px; }
.obj-card li { display: flex; gap: 11px; font-size: 0.96rem; color: var(--ink-soft); }
.obj-card li svg { flex-shrink: 0; margin-top: 4px; color: var(--ink); }
.obj-note { margin-top: 16px; font-size: 0.95rem; color: var(--ink); font-weight: 500; }

/* ---------- ANGEBOT (knapp) ---------- */
.offer-lite { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(30px, 5vw, 64px); align-items: start; }
.offer-lite .lead { margin-top: 16px; }
.offer-lite .offer-link { margin-top: 24px; }
.offer-reasons { display: grid; gap: 4px; }
.offer-reason { display: flex; gap: 18px; padding: 22px 4px; border-top: 1px solid var(--line); }
.offer-reason:last-child { border-bottom: 1px solid var(--line); }
.offer-reason .ri { flex-shrink: 0; display: flex; align-items: flex-start; padding-top: 3px; color: var(--ink); min-width: 24px; }
.offer-reason .ri svg { display: block; }
.offer-list-lead { font-size: 0.76rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); padding-bottom: 4px; }
.offer-reason h3 { font-size: 1.16rem; }
.offer-reason p { margin-top: 6px; font-size: 0.96rem; }

/* ---------- ANGEBOT (zwei Format-Karten) ---------- */
/* ---------- ANGEBOT: 3 Inhalts-Kacheln ---------- */
.offer-intro { color: var(--ink-soft); line-height: 1.65; max-width: 60ch; margin-left: auto; margin-right: auto; }
.offer-subhead { text-align: center; margin-top: clamp(22px, 2.6vw, 34px); font-family: var(--serif); font-weight: 400; font-size: clamp(1.05rem, 1.35vw, 1.22rem); color: var(--ink); }
.angebot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: clamp(18px, 2vw, 26px); }
.angebot-card { background: var(--card); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: clamp(26px, 2.6vw, 36px); box-shadow: var(--shadow-sm); transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.angebot-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.angebot-ico { width: 52px; height: 52px; border-radius: 14px; background: var(--tint); border: 1px solid var(--tint-bd); display: grid; place-items: center; color: var(--ink); }
.angebot-card h3 { margin-top: 22px; font-size: 1.4rem; }
.angebot-sub { margin-top: 3px; font-family: var(--serif); font-style: italic; color: var(--ink-soft); font-size: 1.02rem; }
.angebot-card ul { list-style: none; margin-top: 20px; display: grid; gap: 11px; }
.angebot-card li { position: relative; padding-left: 22px; font-size: 0.96rem; line-height: 1.5; color: var(--ink-soft); }
.angebot-card li::before { content: ""; position: absolute; left: 0; top: 9px; width: 11px; height: 1.5px; background: var(--ink-faint); }
.value-cta { margin-top: clamp(38px, 4.5vw, 54px); text-align: center; }

/* ---------- REPORT-STREIFEN (unaufdringlich) ---------- */
.report-strip-wrap { background: var(--paper-2); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.report-strip { padding: 42px 0; display: flex; align-items: center; gap: 36px; flex-wrap: wrap; }
.report-strip .rs-cover-link { flex-shrink: 0; display: block; line-height: 0; perspective: 1500px; }
.report-strip .rs-book { position: relative; display: block; width: 116px; aspect-ratio: 595 / 842; transform-style: preserve-3d; transition: transform .6s var(--ease); }
.report-strip .rs-page { position: absolute; inset: 0; border-radius: 6px 10px 10px 6px; background-size: cover; background-position: center; transform-origin: left center; backface-visibility: hidden; box-shadow: var(--shadow-sm); transition: transform .65s cubic-bezier(.33, 1.02, .42, 1), box-shadow .6s var(--ease); }
/* sanfte Papier-Wölbung: Schatten am Bund, Licht zur freien Kante — erscheint beim Öffnen */
.report-strip .rs-page::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(102deg, rgba(0,0,0,.26) 0%, rgba(0,0,0,.04) 15%, rgba(255,255,255,.05) 55%, rgba(255,255,255,.14) 84%, rgba(0,0,0,.10) 100%); opacity: 0; transition: opacity .6s var(--ease); pointer-events: none; }
.report-strip .rs-p4 { z-index: 1; }
.report-strip .rs-p3 { z-index: 2; }
.report-strip .rs-p2 { z-index: 3; }
.report-strip .rs-cover { z-index: 4; box-shadow: var(--shadow-md); }
/* Auffächern wie ein Heft: Deckel öffnet am weitesten, die Seiten kaskadieren gestaffelt nach */
.report-strip .rs-cover-link:hover .rs-book,
.report-strip .rs-cover-link:focus-visible .rs-book { transform: translateY(-6px); }
.report-strip .rs-cover-link:hover .rs-page::after,
.report-strip .rs-cover-link:focus-visible .rs-page::after { opacity: 1; }
.report-strip .rs-cover-link:hover .rs-cover,
.report-strip .rs-cover-link:focus-visible .rs-cover { transform: rotateY(-52deg) skewY(2deg); box-shadow: -16px 18px 32px -16px rgba(0,0,0,.4); }
.report-strip .rs-cover-link:hover .rs-p2,
.report-strip .rs-cover-link:focus-visible .rs-p2 { transform: rotateY(-37deg) skewY(1.4deg); transition-delay: .05s; }
.report-strip .rs-cover-link:hover .rs-p3,
.report-strip .rs-cover-link:focus-visible .rs-p3 { transform: rotateY(-23deg) skewY(.9deg); transition-delay: .1s; }
.report-strip .rs-cover-link:hover .rs-p4,
.report-strip .rs-cover-link:focus-visible .rs-p4 { transform: rotateY(-10deg) skewY(.4deg); transition-delay: .15s; }
.report-strip .rs-text { flex: 1 1 360px; }
.report-strip .rs-cta { flex: 0 0 auto; align-self: center; }
.report-strip .rs-text .rs-k { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); }
.report-strip .rs-text .rs-h { font-family: var(--serif); font-size: 1.45rem; color: var(--ink); margin-top: 5px; }
.report-strip .rs-text .rs-p { font-size: 0.96rem; line-height: 1.55; color: var(--ink-soft); margin-top: 10px; max-width: 52ch; }
.report-strip .rs-form { display: flex; gap: 10px; flex: 1 1 340px; align-self: center; }
.report-strip .rs-form input { flex: 1; min-width: 0; font-family: var(--sans); font-size: 0.95rem; padding: 0.72rem 0.95rem; border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--ink); transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.report-strip .rs-form input:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(26,25,21,.1); }
.report-strip .rs-form .btn { white-space: nowrap; }
.report-strip .rs-done { flex: 1 1 360px; font-size: 0.95rem; color: var(--ink); display: none; align-items: center; gap: 10px; }
.report-strip .rs-done.show { display: flex; }
.report-strip .rs-done a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; font-weight: 600; }
.report-strip .rs-done svg { color: var(--ink); flex-shrink: 0; }

/* ---------- TESTIMONIAL (Beweis) ---------- */
.proof-inner { width: 100%; }
.testi-card { background: var(--card); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: clamp(32px, 5vw, 60px); box-shadow: var(--shadow-md); max-width: 900px; margin: 0 auto; }
.testi-card .qm { font-family: var(--serif); font-size: 4.5rem; color: var(--tint-bd); line-height: .5; height: 30px; display: block; }
.testi-card blockquote { font-family: var(--serif); font-weight: 350; font-size: clamp(1.18rem, 2vw, 1.5rem); line-height: 1.45; letter-spacing: -0.01em; color: var(--ink); margin-top: 18px; }
.testi-foot { margin-top: 28px; display: flex; align-items: center; gap: 16px; }
.testi-avatar { width: 58px; height: 58px; border-radius: 50%; overflow: hidden; background: var(--tint); flex-shrink: 0; box-shadow: 0 0 0 1px var(--line-soft); }
.testi-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center 22%; }
.testi-foot .who strong { font-weight: 600; font-size: 1rem; color: var(--ink); display: block; }
.testi-foot .who span { font-size: 0.9rem; color: var(--ink-faint); }

/* ---------- KONTAKT (Abschluss, dunkel) ---------- */
.contact-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: clamp(34px, 5vw, 56px); align-items: start; }
.contact-aside h2 { margin-top: 16px; }
.contact-aside .lead { margin-top: 18px; }
.contact-methods { margin-top: 28px; display: grid; gap: 13px; }
.contact-method { display: flex; align-items: center; gap: 16px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: 14px; padding: 15px 18px; transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease); }
.contact-method:hover { transform: translateY(-2px); background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.25); }
.contact-method .ico { width: 44px; height: 44px; border-radius: 11px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); color: #fff; display: grid; place-items: center; flex-shrink: 0; }
.contact-method .k { display: block; margin-bottom: 3px; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255,255,255,.55); }
.contact-method .v { font-size: 1.05rem; font-weight: 600; color: #fff; }
.contact-hint { margin-top: 20px; font-size: 0.9rem; color: rgba(255,255,255,.55); }
.calendly-wrap { background: var(--card); border-radius: var(--radius-lg); padding: 10px; box-shadow: var(--shadow-lg); }
.calendly-inline-widget { border-radius: 16px; overflow: hidden; }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--dark-2); color: rgba(255,255,255,.78); padding: 70px 0 34px; position: relative; z-index: 5; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 30px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand { max-width: 360px; }
.footer-brand .brand { color: #fff; }
.footer-brand .brand .mark { border-color: rgba(255,255,255,.4); }
.footer-brand p { margin-top: 16px; color: rgba(255,255,255,.6); font-size: 0.95rem; }
.footer-cols { display: flex; gap: 60px; flex-wrap: wrap; }
.footer-col h4 { font-family: var(--sans); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; color: rgba(255,255,255,.48); font-weight: 600; margin-bottom: 16px; }
.footer-col a, .footer-col span { display: block; color: rgba(255,255,255,.8); font-size: 0.95rem; margin-bottom: 10px; transition: color .2s var(--ease); }
.footer-col a:hover { color: #fff; }
.footer-bottom { padding-top: 26px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; font-size: 0.85rem; color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: #fff; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- legal pages ---------- */
.legal { background: var(--paper); min-height: 100vh; padding-top: 130px; padding-bottom: 90px; }
.legal-inner { max-width: 760px; margin: 0 auto; }
.legal .back { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.92rem; color: var(--ink); margin-bottom: 26px; }
.legal .back:hover { gap: 12px; }
.legal h1 { font-size: clamp(2.2rem, 5vw, 3rem); }
.legal h2 { font-size: 1.45rem; margin-top: 44px; }
.legal h3 { font-size: 1.1rem; margin-top: 26px; }
.legal p, .legal li { color: var(--ink-soft); font-size: 1rem; }
.legal p { margin-top: 14px; }
.legal ul { margin-top: 14px; padding-left: 22px; display: grid; gap: 8px; }
.legal .placeholder { background: var(--tint); border: 1px dashed var(--tint-bd); border-radius: 12px; padding: 16px 18px; color: var(--ink-soft); font-size: 0.92rem; margin-top: 16px; }
.legal .placeholder strong { color: var(--ink); }
.legal .updated { margin-top: 40px; font-size: 0.85rem; color: var(--ink-faint); }
.legal a:not(.back):not(.btn) { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Report-Seite (report.html) ---------- */
.report-page { background: var(--paper); min-height: 100vh; padding-top: 120px; padding-bottom: 80px; }
.report-page .back { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.92rem; color: var(--ink); margin-bottom: 30px; }
.report-page .back:hover { gap: 12px; }
.rp-grid { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: clamp(34px, 5vw, 70px); align-items: start; }
.rp-aside { position: sticky; top: 110px; }
/* Aufgeschlagene Doppelseite (Seiten 4 & 5), statisch, von oben, gewölbt */
.rp-spread { position: relative; margin: 0; width: 100%; max-width: 340px; perspective: 1700px; filter: drop-shadow(0 26px 34px rgba(26, 25, 21, .30)); }
.rp-spread-inner { position: relative; display: flex; width: 100%; aspect-ratio: 1190 / 842; transform-style: preserve-3d; transform: rotateX(6deg); }
.rp-page { position: relative; flex: 1 1 50%; min-width: 0; background-size: cover; background-position: center; backface-visibility: hidden; }
.rp-page-l { transform-origin: right center; transform: rotateY(6deg); border-radius: 5px 2px 2px 5px; }
.rp-page-r { transform-origin: left center; transform: rotateY(-6deg); border-radius: 2px 5px 5px 2px; }
/* Wölbung & Bundschatten: dunkler zur Mitte (Bund) und an den Außenkanten, leichter Glanz */
.rp-page::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; }
.rp-page-l::after { background: linear-gradient(to right, rgba(0,0,0,.07) 0%, rgba(255,255,255,.06) 20%, rgba(0,0,0,0) 52%, rgba(0,0,0,.07) 82%, rgba(0,0,0,.32) 100%); }
.rp-page-r::after { background: linear-gradient(to left, rgba(0,0,0,.07) 0%, rgba(255,255,255,.06) 20%, rgba(0,0,0,0) 52%, rgba(0,0,0,.07) 82%, rgba(0,0,0,.32) 100%); }
.rp-aside .eyebrow { margin-top: 34px; }
.rp-aside h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-top: 14px; }
.rp-teasers { list-style: none; margin-top: 24px; display: grid; gap: 13px; }
.rp-teasers li { display: flex; gap: 13px; font-size: 0.98rem; color: var(--ink-soft); }
.rp-teasers li svg { flex-shrink: 0; margin-top: 3px; color: var(--ink); }

.rp-form-card { background: var(--card); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: clamp(28px, 3.5vw, 44px); box-shadow: var(--shadow-md); }
.rp-form-card h2 { font-size: clamp(1.5rem, 2.4vw, 1.9rem); }
.rp-intro { margin-top: 10px; color: var(--ink-soft); }
#reportPageForm { margin-top: 26px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 7px; }
.field input, .field select { width: 100%; font-family: var(--sans); font-size: 1rem; padding: 0.85rem 1rem; border: 1px solid var(--line); border-radius: 11px; background: var(--paper); color: var(--ink); transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease); }
.field select { appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 40px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none' stroke='%231A1915' stroke-width='2'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; }
.field input:focus, .field select:focus { outline: none; border-color: var(--ink); background-color: #fff; box-shadow: 0 0 0 3px rgba(26,25,21,.1); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.rp-consent { display: flex; gap: 10px; align-items: flex-start; margin: 6px 0 20px; }
.rp-consent input { margin-top: 3px; width: 17px; height: 17px; accent-color: var(--ink); flex-shrink: 0; }
.rp-consent label { font-size: 0.84rem; color: var(--ink-faint); line-height: 1.5; }
.rp-consent a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
.form-note { margin-top: 14px; font-size: 0.8rem; color: var(--ink-faint); text-align: center; }
.rp-success { display: none; text-align: center; padding: 12px 0; }
.rp-success.show { display: block; animation: fadeUp .5s var(--ease); }
.rp-success .check { width: 56px; height: 56px; border-radius: 50%; background: var(--tint); border: 1px solid var(--tint-bd); color: var(--ink); display: grid; place-items: center; margin: 0 auto 16px; }
.rp-success h3 { font-size: 1.35rem; }
.rp-success p { margin-top: 8px; color: var(--ink-soft); }
.rp-success .btn { margin-top: 20px; }
.rp-back { margin-top: 18px !important; font-size: 0.9rem; }
.rp-back a { color: var(--ink-faint); text-decoration: none; }
.rp-back a:hover { color: var(--ink); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@media (max-width: 820px) {
  .rp-grid { grid-template-columns: 1fr; }
  .rp-aside { position: static; }
  .rp-spread { max-width: 270px; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .problem-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-figure { max-width: 440px; min-height: 0; align-self: auto; }
  .about-figure img { position: relative; height: auto; aspect-ratio: 4/4.3; }
  .obj-grid { grid-template-columns: 1fr; }
  .offer-lite { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .praxis-grid { grid-template-columns: 1fr; }
  .praxis-video { aspect-ratio: 16 / 9; max-width: 560px; }
  .angebot-grid { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 900px) {
  /* Überlappung auf Mobil deaktivieren – normaler Fluss, dezente Rundung */
  /* Sticky-Overlap bleibt auch auf Tablet/Handy aktiv (einheitlich mit Desktop) */
  .scroll-hint { display: none; }   /* Scroll-Hinweis auf Handys/Tablets ausblenden */
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .site-header.scrolled .nav { max-width: calc(100% - 32px); }
  .nav-links.open, .site-header.scrolled .nav-links.open { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; position: absolute; top: calc(var(--header-h) - 2px); left: 12px; right: 12px; opacity: 1; visibility: visible; pointer-events: auto; transform: none; background: var(--paper); border: 1px solid var(--line); border-radius: 20px; padding: 18px 24px 22px; box-shadow: var(--shadow-md); }
  .site-header:not(.scrolled) .nav-links.open a { color: var(--ink-soft); }
  .nav-links.open a { width: 100%; padding: 10px 0; font-size: 1.05rem; }
}
@media (max-width: 680px) {
  .nav-cta .btn-text-full { display: none; }
  .hero .eyebrow { display: none; }   /* doppelt zum Header-Zusatz „KI für Sachverständige" – auf Handys ausblenden */
  .report-strip { gap: 22px; padding: 34px 0; }
  .report-strip .rs-book { width: 96px; }
  .report-strip .rs-form { flex-direction: column; }
  .footer-top { flex-direction: column; }
  .about-figure .stat-chip { right: 8px; }
}
@media (max-width: 420px) {
  .container { padding-inline: 20px; }
  .nav-cta .btn { padding: 0.6rem 1rem; }
}