/* Fonts: Systemschriften, keine externen Anbieter (DSGVO). */
:root {
  --serif: "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --sans: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", "SF Mono", Consolas, "Roboto Mono", monospace;
  --petrol: #1F4E5A;
  --teal: #2E8A8A;
  --radius: 18px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
/* Reinigung: hell, frisch */
[data-mode="reinigung"] {
  --bg: #F5F9F9;
  --bg-alt: #EAF2F2;
  --surface: #FFFFFF;
  --text: #15323A;
  --muted: #587077;
  --accent: #2E8A8A;
  --accent-ink: #FFFFFF;
  --line: rgba(31, 78, 90, .13);
  --glow-1: rgba(46, 138, 138, .22);
  --glow-2: rgba(31, 78, 90, .12);
  --shadow: 0 20px 50px -24px rgba(31, 78, 90, .35);
  --box-border: var(--line);
  --box-shadow: 0 10px 30px -20px rgba(31, 78, 90, .3);
  --head: var(--serif);
  --head-weight: 400;
  --head-spacing: -.01em;
  color-scheme: light;
}
/* Transport: dunkel, kräftig */
[data-mode="transport"] {
  /* Graphit mit leichtem Grünstich; Petrol-Grün nur als Akzent */
  --bg: #283133;
  --bg-alt: #2E383A;
  --surface: #364144;
  --text: #F2F5F4;
  --muted: #B4C0BF;
  --accent: #5CC2BC;
  --accent-ink: #14201F;
  --line: rgba(242, 245, 244, .12);
  --glow-1: rgba(92, 194, 188, .16);
  --glow-2: rgba(12, 18, 20, .4);
  --shadow: 0 24px 60px -28px rgba(0, 0, 0, .6);
  /* Boxen: kein Rahmen, dafür angehoben (Lichtkante oben + Schatten) */
  --box-border: transparent;
  --box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 18px 40px -18px rgba(5, 20, 25, .7);
  /* eigener Charakter: kräftige Grotesk-Schrift, kantigere Ecken */
  --head: var(--sans);
  --head-weight: 700;
  --head-spacing: -.03em;
  --radius: 10px;
  --btn-radius: 10px;
  color-scheme: dark;
}
[data-mode="reinigung"] .only-t, [data-mode="transport"] .only-r { display: none !important; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  transition: background-color .6s var(--ease), color .6s var(--ease);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--head); font-weight: var(--head-weight); line-height: 1.12; margin: 0; letter-spacing: var(--head-spacing); }
h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }
p { margin: 0; }
.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.eyebrow {
  font: 600 .74rem/1.4 var(--mono); letter-spacing: .2em; text-transform: uppercase;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 12px;
}
.eyebrow::before { content: ""; width: 32px; height: 1px; background: currentColor; }
.lead { color: var(--muted); font-size: 1.12rem; max-width: 58ch; }

/* Header + großer Umschalter */
header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 10;
}
@media (min-width: 860px) { header { position: sticky; top: 0; } }
.bar {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  gap: 24px; padding-block: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 46px; height: auto; filter: drop-shadow(0 4px 12px var(--glow-1)); }
.brand b { display: block; font-size: 1.35rem; letter-spacing: .01em; color: var(--text); }
.brand small { display: block; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin-top: -2px; }

.switch {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 6px;
  border-radius: 999px; background: var(--surface); border: 1px solid var(--line);
  box-shadow: var(--shadow); position: relative;
}
.switch button {
  all: unset; cursor: pointer; position: relative; z-index: 1;
  padding: 12px 30px; border-radius: 999px; text-align: center;
  color: var(--muted); transition: color .4s var(--ease);
}
.switch button strong { display: block; font-family: var(--serif); font-size: 1.35rem; font-weight: 400; line-height: 1.2; }
.switch button span { display: block; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; }
.switch button[aria-pressed="true"] { color: var(--accent-ink); }
.switch button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.switch::before {
  content: ""; position: absolute; top: 6px; bottom: 6px; left: 6px;
  width: calc(50% - 9px); border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--petrol));
  transition: transform .55s var(--ease);
}
[data-mode="transport"] .switch::before { transform: translateX(calc(100% + 6px)); background: linear-gradient(135deg, #5FC4BE, var(--teal)); }

.btn {
  display: inline-flex; align-items: center; gap: 10px; justify-content: center;
  padding: 14px 26px; border-radius: var(--btn-radius, 999px); text-decoration: none; font-weight: 600;
  font-size: .95rem; letter-spacing: .02em; border: 1px solid transparent;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background-color .3s;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 12px 30px -12px var(--accent); position: relative; overflow: hidden; }
/* Lichtstreifen, der über den Button fährt */
.btn-primary::after {
  content: ""; position: absolute; inset: 0; transform: translateX(-120%) skewX(-20deg);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .45), transparent);
  transition: transform .8s var(--ease);
}
.btn-primary:hover::after { transform: translateX(120%) skewX(-20deg); }
.btn-ghost { border-color: var(--line); color: var(--text); }
.btn:hover { transform: translateY(-2px); }
.bar .btn { justify-self: end; padding: 11px 22px; }

@media (max-width: 859px) {
  .bar { grid-template-columns: 1fr auto; row-gap: 14px; }
  .switch { grid-column: 1 / -1; grid-row: 2; }
  .switch button { padding: 12px 10px; }
}

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(64px, 11vw, 140px) 0 clamp(72px, 10vw, 120px); }
.hero::before, .hero::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none;
}
.hero::before { width: 620px; height: 620px; right: -160px; top: -200px; background: var(--glow-1); }
.hero::after { width: 520px; height: 520px; left: -220px; bottom: -260px; background: var(--glow-2); }
/* feines Tech-Raster, zur Mitte hin sichtbar, an den Rändern ausgeblendet */
.hero-grid::before {
  content: ""; position: absolute; inset: -160px -50vw; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center;
  -webkit-mask-image: radial-gradient(ellipse 45% 60% at 60% 50%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 45% 60% at 60% 50%, #000 10%, transparent 75%);
}
/* Transport: statt Raster ziehende Tempo-Linien */
[data-mode="transport"] .hero-grid::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='64'%3E%3Cpath d='M0 16H80M130 48H200' stroke='%23fff' stroke-opacity='.16' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-size: 240px 64px;
  animation: drive 5s linear infinite;
}
@keyframes drive { to { background-position: -240px 0; } }
[data-mode="transport"] .eyebrow::before { content: "→"; width: auto; height: auto; background: none; font-size: 1rem; }
[data-mode="transport"] .orbit { animation-duration: 12s; }
[data-mode="transport"] .orbit.o2 { animation-duration: 20s; }
[data-mode="transport"] .card::after {
  left: 0; right: auto; top: 22px; bottom: 22px; width: 3px; height: auto;
  background: var(--accent); transform: scaleY(0); transform-origin: top;
}
[data-mode="transport"] .card:hover::after { transform: scaleY(1); }
.pill {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 26px;
  padding: 7px 16px 7px 12px; border-radius: 999px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 60%, transparent); backdrop-filter: blur(8px);
  font: .74rem/1 var(--mono); letter-spacing: .08em; color: var(--muted);
}
.pill i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 var(--accent); animation: ping 2.4s infinite; }
@keyframes ping { 70%, 100% { box-shadow: 0 0 0 10px transparent; } }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.25fr .75fr; gap: 48px; align-items: center; }
.hero h1 { margin: 22px 0 24px; }
.hero h1 em { font-style: italic; color: var(--accent); }
.cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-mark { justify-self: center; position: relative; width: min(340px, 80%); }
/* Umlaufbahnen mit leuchtendem Punkt */
.orbit {
  position: absolute; inset: -16%; border-radius: 50%; border: 1px solid var(--line);
  animation: spin 26s linear infinite;
}
.orbit.o2 { inset: -32%; border-style: dashed; animation-duration: 40s; animation-direction: reverse; opacity: .7; }
.orbit::after {
  content: ""; position: absolute; top: 50%; left: -4px; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 14px 3px var(--accent);
}
.orbit.o2::after { left: auto; right: -3px; top: 20%; width: 6px; height: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-mark img { position: relative; filter: drop-shadow(0 30px 40px var(--glow-2)); animation: float 7s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-12px) rotate(-2deg); } }
.facts { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 44px; color: var(--muted); font-size: .92rem; }
.facts span::before { content: "✓"; color: var(--accent); margin-right: 8px; font-weight: 700; }
@media (max-width: 859px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-mark { display: none; }
}

/* Abschnitte */
section { padding: clamp(72px, 9vw, 120px) 0; }
.alt { background: var(--bg-alt); transition: background-color .6s var(--ease); }
.head { display: grid; gap: 16px; margin-bottom: 56px; max-width: 720px; }

.services { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); gap: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--box-border); border-radius: var(--radius);
  box-shadow: var(--box-shadow); padding: 34px 30px 32px; position: relative; overflow: hidden;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
/* Lichtschein, der dem Mauszeiger folgt (--mx/--my per JS) */
.card::before, .why div::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), var(--glow-1), transparent 60%);
  transition: opacity .4s;
}
.card:hover::before, .why div:hover::before { opacity: 1; }
.card > *, .why div > * { position: relative; }
.card::after {
  content: ""; position: absolute; left: 30px; right: 30px; bottom: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent); transform: scaleX(0); transform-origin: left;
  transition: transform .6s var(--ease);
}
.card:hover::after { transform: scaleX(1); }
.num { font: .8rem/1 var(--mono); color: var(--accent); letter-spacing: .12em; display: flex; align-items: center; gap: 12px; }
.num::before { content: "/"; opacity: .5; margin-right: -8px; }
.num::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--line), transparent); }
.card h3 { margin: 18px 0 12px; }
.card p { color: var(--muted); font-size: .98rem; }

.why { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why div { position: relative; background: var(--surface); padding: 34px 28px; border: 1px solid var(--box-border); border-radius: var(--radius); box-shadow: var(--box-shadow); }
.why h3 { font-size: 1.25rem; margin-bottom: 10px; }
.why p { color: var(--muted); font-size: .95rem; }
@media (max-width: 960px) { .why { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .why { grid-template-columns: 1fr; } }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; counter-reset: step; }
.steps li { list-style: none; border-top: 1px solid var(--line); padding-top: 28px; counter-increment: step; }
.steps li::before { content: "0" counter(step); font-family: var(--mono); font-size: 2.6rem; font-weight: 300; color: var(--accent); line-height: 1; display: block; margin-bottom: 18px; }
.steps h3 { font-size: 1.3rem; margin-bottom: 8px; }
.steps p { color: var(--muted); }
.steps { padding: 0; margin: 0; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

/* Kontakt */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-list { display: grid; gap: 14px; }
.contact .head { margin-bottom: 36px; }
.contact-list a, .contact-list div {
  display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: baseline;
  padding: 22px 26px; background: var(--surface); border: 1px solid var(--box-border); border-radius: var(--radius);
  box-shadow: var(--box-shadow); text-decoration: none; transition: border-color .3s, transform .3s var(--ease);
}
.contact-list a:hover { border-color: var(--accent); transform: translateX(4px); }
.contact-list small { font-size: .75rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.contact-list span { font-size: 1.08rem; }
@media (max-width: 860px) {
  .contact { grid-template-columns: 1fr; }
  .contact-list a, .contact-list div { grid-template-columns: 1fr; gap: 2px; }
}

.form {
  display: grid; gap: 18px; padding: clamp(26px, 4vw, 40px);
  background: var(--surface); border: 1px solid var(--box-border); border-radius: var(--radius); box-shadow: var(--box-shadow), var(--shadow);
}
.form h3 { margin-bottom: 4px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form fieldset { border: 0; padding: 0; margin: 0; min-width: 0; display: grid; gap: 22px; }
.form label, .form legend { display: grid; gap: 8px; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); padding: 0; }
.form legend { margin-bottom: 12px; }
.form .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.form .chips label { display: inline-flex; position: relative; font-size: .95rem; letter-spacing: normal; text-transform: none; color: var(--text); }
.form .chips input { position: absolute; opacity: 0; pointer-events: none; }
.form .chips span {
  padding: 10px 18px; border: 1px solid var(--line); border-radius: var(--btn-radius, 999px); background: var(--bg); cursor: pointer;
  transition: background-color .25s, color .25s, border-color .25s;
}
.form .chips span:hover { border-color: var(--accent); }
.form .chips input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.form .chips input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.form .range { display: grid; grid-template-columns: 1fr auto; gap: 10px 18px; align-items: center; }
.form .range label { grid-column: 1 / -1; }
.form .range input { width: 100%; accent-color: var(--accent); }
.form .range output { font-weight: 600; min-width: 11ch; text-align: right; }
.form .check { display: flex; gap: 12px; align-items: flex-start; font-size: .88rem; letter-spacing: normal; text-transform: none; }
.form .check input { width: 18px; height: 18px; margin: 2px 0 0; flex: none; accent-color: var(--accent); }
.form input:not([type=radio], [type=checkbox], [type=range]), .form textarea {
  font: inherit; font-size: 1rem; letter-spacing: normal; text-transform: none; color: var(--text);
  background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 13px 16px; width: 100%;
  transition: border-color .3s, box-shadow .3s;
}
.form textarea { resize: vertical; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--glow-1); }
.form .btn { cursor: pointer; font-family: inherit; font-size: 1rem; padding-block: 16px; }
.form .status { padding: 14px 18px; border-radius: 12px; border: 1px solid var(--accent); }
.form .status[data-status="fehler"] { border-color: #C0574F; }
.hp { position: absolute; left: -9999px; }
@media (max-width: 560px) { .form .row { grid-template-columns: 1fr; } }

/* Footer + Rechtliches */
footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .85rem; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 24px; align-items: center; }
footer nav { display: flex; gap: 22px; }
footer nav a { color: var(--muted); text-decoration: none; opacity: .8; transition: color .3s, opacity .3s; }
footer nav a:hover { color: var(--accent); opacity: 1; }
/* Rechtstexte erscheinen nur nach Klick auf den Link */
details.legal:not([open]) { display: none; }
details.legal { border-top: 1px solid var(--line); margin-top: 24px; padding-top: 20px; }
details.legal summary { cursor: pointer; list-style: none; font: .74rem/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
details.legal summary::-webkit-details-marker { display: none; }
details.legal summary::after { content: "  ✕"; opacity: .6; }
details.legal h4 { color: var(--text); margin: 22px 0 6px; font-size: 1rem; }
details.legal p { max-width: 75ch; margin-bottom: 8px; }

/* Einblenden beim Scrollen */
.reveal { opacity: 0; transform: translateY(24px); filter: blur(8px); transition: opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; filter: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; filter: none; }
  html { scroll-behavior: auto; }
}