/* WalkingScreen – walkingscreen.de */

:root {
  --bg:       #08080a;
  --surface:  #0f0f13;
  --fg:       #fafafa;
  --fg-mid:   #9c9ca8;
  --fg-dim:   #8b8b98;
  --line:     rgba(255,255,255,.11);
  --line-str: rgba(255,255,255,.22);
  --violet:   #6d3bff;
  --sky:      #46c8f0;
  --wrap:     1280px;
  --pad:      clamp(20px, 5vw, 72px);
  --ease:     cubic-bezier(.22,.68,.24,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Helvetica Neue", "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
::selection { background: var(--violet); color: #fff; }
:focus-visible { outline: 2px solid var(--sky); outline-offset: 3px; }

.skip {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 100;
  padding: 12px 22px;
  background: var(--fg);
  color: var(--bg);
  font-weight: 700;
  border-radius: 2px;
}
.skip:focus { left: 16px; }

@media (max-width: 560px) {
  h1, h2, h3, p { hyphens: auto; -webkit-hyphens: auto; }
}

.wrap { width: min(100% - 2 * var(--pad), var(--wrap)); margin-inline: auto; }

/* ---------- Typografie ---------- */

h1, h2, h3 { margin: 0; font-weight: 700; }
h1 {
  font-size: clamp(40px, 7.4vw, 104px);
  line-height: .94;
  letter-spacing: -0.042em;
}
h2 {
  font-size: clamp(30px, 4.4vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
h3 { font-size: 20px; line-height: 1.25; letter-spacing: -0.02em; }

p { margin: 0 0 1.2em; max-width: 60ch; color: var(--fg-mid); }
p:last-child { margin-bottom: 0; }
.lead {
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.5;
  color: #d7d7de;
  letter-spacing: -0.01em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 26px;
}
.eyebrow::before {
  content: "";
  width: 44px;
  height: 1px;
  background: var(--line-str);
  flex: none;
}
.eyebrow i { font-style: normal; color: var(--sky); }

/* ---------- Reveal ---------- */

.rv { opacity: 0; transform: translateY(22px); }
.rv.in { opacity: 1; transform: none; transition: opacity .9s var(--ease), transform .9s var(--ease); }
.rv.d1.in { transition-delay: .08s; }
.rv.d2.in { transition-delay: .16s; }
.rv.d3.in { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
}

/* ---------- Kopfzeile ---------- */

.head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  border-bottom: 1px solid transparent;
  transition: background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s;
}
.head.is-stuck {
  background: rgba(8,8,10,.86);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom-color: var(--line);
}
.head__inner { display: flex; align-items: center; gap: 24px; padding: 20px 0; transition: padding .4s var(--ease); }
.head.is-stuck .head__inner { padding: 13px 0; }

.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand img { width: 28px; height: auto; }
.brand span { font-size: 18.5px; font-weight: 700; letter-spacing: -0.035em; }
.brand em { font-style: normal; color: var(--fg-mid); transition: color .3s; }
.brand:hover em { color: var(--sky); }

.nav { margin-left: auto; display: flex; align-items: center; gap: 32px; }
.nav a {
  position: relative;
  font-size: 13.5px;
  letter-spacing: 0.01em;
  color: var(--fg-mid);
  text-decoration: none;
  padding: 3px 0;
  transition: color .25s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav a:hover { color: var(--fg); }
.nav a:hover::after { transform: scaleX(1); }
.nav .btn { margin-left: 6px; }
.nav .btn::after { display: none; }

.burger {
  display: none;
  width: 46px;
  height: 40px;
  margin-left: 4px;
  padding: 0;
  background: none;
  border: 1px solid var(--line-str);
  border-radius: 100px;
  cursor: pointer;
  position: relative;
}
.burger span {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 1.5px;
  margin-left: -9px;
  background: var(--fg);
  transition: transform .3s var(--ease), opacity .3s;
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 22px; }
.nav-open .burger span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.nav-open .burger span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

@media (max-width: 980px) {
  .burger { display: block; }
  .nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    padding: 0 var(--pad);
    background: rgba(8,8,10,.98);
    backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .35s var(--ease), transform .35s var(--ease), visibility .35s;
  }
  .nav-open .nav { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }

  /* Unterseiten ohne Menue-Schalter: Navigation bleibt normal sichtbar */
  .nav--simple {
    position: static;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    padding: 0;
    background: none;
    backdrop-filter: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
  .nav--simple a:not(.btn) { font-size: 14px; font-weight: 400; padding: 3px 0; }
  .nav a:not(.btn) {
    font-size: clamp(28px, 8vw, 40px);
    font-weight: 700;
    letter-spacing: -0.035em;
    color: var(--fg);
    padding: 10px 0;
  }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { margin-top: 26px; }
  .nav-open { overflow: hidden; }
}

/* ---------- Buttons ---------- */

.btn {
  --btn-bg: var(--violet);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 15px 28px;
  background: var(--btn-bg);
  color: #fff;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.005em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 100px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s;
}
.btn:hover, .btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(109,59,255,.35);
}
.btn svg { transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn--line {
  background: transparent;
  border-color: var(--line-str);
  color: var(--fg);
}
.btn--line:hover, .btn--line:focus-visible {
  border-color: var(--fg);
  background: rgba(255,255,255,.05);
  box-shadow: none;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  isolation: isolate;
}
.hero__bg { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 22% center;
  animation: kb 26s var(--ease) forwards;
}
@keyframes kb { from { transform: scale(1.09); } to { transform: scale(1); } }

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to top, var(--bg) 2%, rgba(8,8,10,.85) 26%, rgba(8,8,10,.25) 65%, rgba(8,8,10,.5) 100%),
    linear-gradient(to right, rgba(8,8,10,.8) 0%, rgba(8,8,10,0) 58%);
}

.hero__inner { padding-bottom: clamp(40px, 5vw, 68px); padding-top: 140px; }
.hero h1 { max-width: 13ch; }
.hero h1 .dim { color: var(--fg-mid); }
.hero .lead { margin-top: 28px; max-width: 44ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 30px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.hero__tags i { font-style: normal; color: var(--line-str); }

.hero__meta {
  border-top: 1px solid var(--line);
  margin-top: clamp(34px, 5vw, 60px);
}
.hero__meta dl {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
}
.hero__meta div { padding: 22px 22px 4px 0; }
.hero__meta div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.hero__meta dt {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 6px;
}
.hero__meta dd {
  margin: 0;
  font-size: clamp(17px, 1.9vw, 24px);
  font-weight: 700;
  letter-spacing: -0.03em;
}
@media (max-width: 760px) {
  .hero__meta dl { grid-template-columns: 1fr 1fr; }
  .hero__meta div:nth-child(odd) { padding-left: 0; border-left: 0; }
  .hero__meta div:nth-child(n+3) { border-top: 1px solid var(--line); padding-top: 18px; }
}

/* ---------- Abschnitte ---------- */

section { padding-block: clamp(84px, 10vw, 168px); }
section[id], main[id] { scroll-margin-top: 84px; }

.head-2 {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 96px);
  align-items: start;
}
@media (max-width: 900px) { .head-2 { grid-template-columns: 1fr; gap: 28px; } }

/* Stärken */
.strengths { margin-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--line); }
.strength {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color .3s;
}
.strength:hover { border-bottom-color: var(--line-str); }
.strength b { font-size: 16.5px; letter-spacing: -0.015em; }
.strength span { color: var(--fg-mid); font-size: 15.5px; }
@media (max-width: 620px) { .strength { grid-template-columns: 1fr; gap: 5px; } }

/* Bildband */
.band { position: relative; }
.band figure { margin: 0; position: relative; }
.band img { width: 100%; }
.band figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 90px var(--pad) 26px;
  background: linear-gradient(to top, var(--bg) 6%, rgba(8,8,10,.75) 40%, transparent);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--fg-mid);
}

/* Mediadaten */
.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 6vw, 96px);
  margin-top: clamp(40px, 5vw, 64px);
}
@media (max-width: 760px) { .specs { grid-template-columns: 1fr; } }
.specs h3 { margin-bottom: 18px; }
.specs dl { margin: 0; border-top: 1px solid var(--line-str); }
.specs div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.specs dt { color: var(--fg-dim); font-size: 15px; letter-spacing: 0.01em; }
.specs dd { margin: 0; font-weight: 700; text-align: right; letter-spacing: -0.02em; }

.specs--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 980px) { .specs--3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px) { .specs--3 { grid-template-columns: 1fr; } }

/* Claim */
.claim {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(60px, 8vw, 120px);
}
.claim__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(30px, 6vw, 90px);
  align-items: end;
}
@media (max-width: 900px) { .claim__grid { grid-template-columns: 1fr; gap: 30px; align-items: start; } }
.claim h2 { font-size: clamp(32px, 5.4vw, 76px); }
.claim h2 span { display: block; }
.claim h2 span:nth-child(2) { color: var(--fg-mid); }
.claim h2 span:nth-child(3) { color: var(--fg-dim); }

/* Kundenstimmen */
.quotes {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: center;
  margin-top: clamp(40px, 5vw, 64px);
}
@media (max-width: 880px) { .quotes { grid-template-columns: 1fr; } }
.quotes blockquote {
  margin: 0;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}
.quotes blockquote:last-of-type { border-bottom: 1px solid var(--line); }
.quotes p {
  font-size: clamp(18px, 1.9vw, 23px);
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 16px;
  max-width: 46ch;
}
.quotes cite {
  font-style: normal;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.quotes__img { overflow: hidden; background: var(--surface); }
.quotes__img img { width: 100%; }

/* Leistungen */
.services { margin-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--line); }
.service {
  display: grid;
  grid-template-columns: 72px minmax(0, 300px) minmax(0, 1fr);
  gap: 28px;
  align-items: baseline;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left .4s var(--ease), background .4s var(--ease);
}
.service:hover { padding-left: 14px; background: linear-gradient(to right, rgba(255,255,255,.035), transparent 60%); }
.service em {
  font-style: normal;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--fg-dim);
}
.service p { font-size: 15.5px; margin: 0; }
@media (max-width: 820px) {
  .service { grid-template-columns: 48px 1fr; gap: 16px 18px; }
  .service p { grid-column: 2; }
}

/* Galerie */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(10px, 1.4vw, 20px);
  margin-top: clamp(40px, 5vw, 64px);
}
.gallery figure { margin: 0; }
.gallery .frame { overflow: hidden; background: var(--surface); }
.gallery img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.gallery figure:hover img { transform: scale(1.045); }
.gallery figcaption {
  font-size: 13.5px;
  color: var(--fg-dim);
  padding-top: 14px;
  letter-spacing: 0.01em;
}
@media (max-width: 760px) { .gallery { grid-template-columns: 1fr; gap: 30px; } }

/* Ablauf */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 48px);
  margin-top: clamp(40px, 5vw, 64px);
}
@media (max-width: 780px) { .steps { grid-template-columns: 1fr; } }
.step { border-top: 1px solid var(--line-str); padding-top: 24px; }
.step em {
  font-style: normal;
  display: block;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--fg-dim);
  margin-bottom: 14px;
  line-height: 1;
}
.step h3 { margin-bottom: 10px; }
.step p { font-size: 15.5px; }

/* FAQ */
.faq { margin-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--line); max-width: 940px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding: 26px 52px 26px 0;
  font-size: clamp(17px, 1.7vw, 20px);
  font-weight: 700;
  letter-spacing: -0.022em;
  transition: color .25s;
}
.faq summary:hover { color: var(--sky); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after,
.faq summary::before {
  content: "";
  position: absolute;
  right: 10px;
  background: currentColor;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.faq summary::after { top: 50%; width: 14px; height: 1px; }
.faq summary::before { top: calc(50% - 7px); right: 16px; width: 1px; height: 14px; }
.faq details[open] summary::before { opacity: 0; transform: rotate(90deg); }
.faq p { padding: 0 60px 30px 0; font-size: 16px; }

/* Kontakt */
.contact__links { margin-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--line); }
.contact__links a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 6px 28px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  font-size: clamp(21px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.035em;
  transition: color .3s var(--ease), padding-left .4s var(--ease);
}
.contact__links a:hover, .contact__links a:focus-visible { color: var(--sky); padding-left: 14px; }
.contact__links span {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-dim);
  white-space: nowrap;
}

/* Fußzeile */
.foot {
  border-top: 1px solid var(--line);
  padding: 44px 0 52px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: center;
  font-size: 13.5px;
  color: var(--fg-dim);
}
.foot a { text-decoration: none; transition: color .25s; }
.foot a:hover { color: var(--fg); }
.foot .spacer { margin-left: auto; }

/* ---------- Rechtstexte ---------- */

.legal { padding-block: clamp(130px, 13vw, 190px) clamp(70px, 8vw, 110px); }
.legal h1 { font-size: clamp(34px, 5vw, 62px); margin-bottom: 44px; }
.legal h2 {
  font-size: clamp(23px, 2.6vw, 32px);
  margin: 70px 0 20px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.legal h3 { margin: 32px 0 10px; }
.legal p, .legal li { max-width: 72ch; font-size: 16px; }
.legal address { font-style: normal; color: var(--fg-mid); margin-bottom: 1.2em; }
.legal a { color: var(--sky); }
.legal .note {
  border-left: 2px solid var(--violet);
  background: rgba(109,59,255,.08);
  padding: 22px 26px;
  margin: 28px 0;
  font-size: 15.5px;
  color: var(--fg-mid);
}
.legal .note strong { color: var(--fg); }


/* ---------- Druck ---------- */

@media print {
  .head, .burger, .skip, .hero__bg, .band, .gallery, .quotes__img { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .hero { min-height: 0; }
  .hero__inner { padding: 0 0 20pt; }
  h1, h2, h3, .lead, p, dd, dt, .eyebrow, cite { color: #000 !important; }
  .rv { opacity: 1 !important; transform: none !important; }
  a { text-decoration: underline; }
  .contact__links a::after { content: " (" attr(href) ")"; font-size: 9pt; font-weight: 400; }
  section { padding-block: 16pt; page-break-inside: avoid; }
}