/* Hesse / Temme GmbH – Onepager
   Keine externen Fonts/Dienste (DSGVO). */

:root {
  --ink: #1b2433;
  --muted: #5b6676;
  --bg: #f4f6f9;
  --card: #ffffff;
  --line: #dde3ea;
  --tint: #2c5d9e;          /* Farbe über dem Hero-Foto */
  --band: #1f3a60;          /* Leiste unter dem Hero, Kontakt-Links */
  --p-dark: #8a3a0e;        /* Rohrfarbe: KG-Rohr orange */
  --p-mid: #d0652a;
  --p-light: #f6a970;
  --hero: url(../img/hero/hero2.jpg);
  --circle: 328px;
  --pipe: 100px;
  --branch: 46px;
  --edge: 24px;
  --st-pb: 110px;            /* Abstand unter jeder Station */
  --sec-pb: 96px;
  --max: 1180px;
}
/* Farben 60-30-10: helle Fläche · dunkles Blau für Leiste, Kästen, Kontakt · Orange der KG-Rohre als Akzent */
:root {
  --foot: color-mix(in srgb, var(--band) 55%, #000);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  transition: background .4s;
}
img { max-width: 100%; display: block; }
a { color: var(--band); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--edge); }

/* ---------- Header ---------- */
.top {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.top-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 18px; text-decoration: none; }
.logo .lg-bild { height: 56px; width: auto; }
.logo .lg-name { width: auto; }
.top-inner { position: relative; }
/* Firmenname mittig im Header */
.logo .lg-name { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); height: 24px; }
.nav { display: flex; gap: 28px; align-items: center; font-weight: 600; }
.nav a { color: var(--ink); text-decoration: none; }
.nav a:hover { color: var(--p-mid); }
.nav-cta { padding: 8px 20px; border-radius: 999px; background: var(--band); color: #fff !important; transition: background .4s, filter .2s; }
.nav-cta:hover { filter: brightness(1.25); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  min-height: min(78vh, 720px);
  isolation: isolate;
  display: flex; align-items: flex-end;
  color: #fff;
}
.hero-bg {
  position: absolute; inset: 0;
  background: var(--hero) center / cover no-repeat;
  filter: grayscale(1) contrast(1.1) brightness(1.45);
  transition: background-image .4s;
}
.hero::before {               /* Farbton (Duotone-Effekt) */
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: color-mix(in srgb, var(--tint) 75%, #fff);   /* etwas heller als das Blau, sonst wirkt das Foto zu dunkel */
  mix-blend-mode: multiply;
  transition: background .4s;
}
.hero::after {                /* Verlauf für lesbaren Text */
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(0deg, rgba(8,16,30,.6) 0%, rgba(8,16,30,.1) 55%, transparent 100%);
}
.hero-inner { position: relative; z-index: 2; padding-bottom: 72px; padding-top: 120px; width: 100%; }
/* Version 3: Firmenname oben im Bild, Text bleibt unten; Verlauf oben und unten */
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.4rem, 6.5vw, 4.8rem);
  line-height: 1.05; font-weight: 800; letter-spacing: -.02em;
}
.hero p { margin: 0; max-width: 46ch; font-size: clamp(1.05rem, 1.8vw, 1.3rem); opacity: .95; }
/* PC: Firmenname + Text rechtsbündig, rechte Kante endet am „g“ von „Bauleitung“ in der Leiste (main.js setzt --g-end) */
@media (min-width: 761px) {
  .hero p { margin-left: auto; margin-right: var(--g-end, 0px); text-align: right; }
  .hero h1 { margin-right: var(--g-end, 0px); text-align: right; }
}

/* ---------- Leiste (Briefkopf-Zeilen) ---------- */
.band { background: var(--band); color: #fff; transition: background .4s; }
.band ul {
  list-style: none; margin: 0 auto; padding-top: 14px; padding-bottom: 14px;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 0;
  font-size: .95rem; letter-spacing: .02em;
}
.band li + li::before { content: "•"; margin: 0 14px; color: var(--p-light); }

/* ---------- Leistungen am Rohr ---------- */
.leistungen { position: relative; padding: 0 var(--edge) var(--sec-pb); max-width: 1400px; margin: 0 auto; }
.leistungen h2 {
  text-align: center; font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0; padding: 72px 0 40px 0;
  position: relative; z-index: 2;
}
.pipe-main {   /* läuft bis in den Kontaktblock */
  position: absolute; top: 0; bottom: -24px; z-index: 0;
  left: calc(var(--edge) + var(--circle) / 2 - var(--pipe) / 2);
  width: var(--pipe);
  background: linear-gradient(90deg, var(--p-dark) 0%, var(--p-mid) 30%, var(--p-light) 48%, var(--p-mid) 68%, var(--p-dark) 100%);
}
.pipe-main::before {          /* Anschluss-Muffe am Kontaktblock */
  content: ""; position: absolute; left: -12px; right: -12px; bottom: 0; height: 22px; z-index: 1;
  background: linear-gradient(90deg, var(--p-dark), var(--p-mid) 30%, var(--p-light) 48%, var(--p-mid) 68%, var(--p-dark));
  border-radius: 4px 4px 0 0; box-shadow: 0 -3px 0 rgba(0,0,0,.18);
}
.pipe-main::after {           /* Muffen */
  content: ""; position: absolute; inset: 0 -6px;
  background: repeating-linear-gradient(180deg, transparent 0 420px, rgba(0,0,0,.28) 420px 426px, rgba(255,255,255,.18) 426px 430px, transparent 430px 440px);
}

.station {
  position: relative; z-index: 1; padding: 32px 0 var(--st-pb);
  --sit: calc(var(--circle) / 2 - var(--branch) / 2);   /* Zeilenoberkante → Rohroberkante */
}
/* Blauer Kasten: sitzt direkt auf dem Seitenrohr und fährt aus dem Rohr nach oben heraus */
.st-text {
  position: relative; z-index: 3;
  margin: 0 40px calc(-1 * var(--sit)) calc(var(--circle) + 14px);   /* rechts Platz für die Muffe am Rohrende */
  max-width: 640px;
  background: var(--band); color: #fff; border-radius: 14px 14px 0 0; padding: 20px 26px;
  transform: translateY(100%); clip-path: inset(0 0 100% 0);
  transition: background .4s, transform .7s cubic-bezier(.2,.8,.2,1) 1s, clip-path .7s cubic-bezier(.2,.8,.2,1) 1s;
}
.station.is-open .st-text { transform: none; clip-path: inset(0 0 0 0); }
.st-nr { font-size: .9rem; font-weight: 800; color: var(--p-light); letter-spacing: .1em; }
.st-text h3 { margin: 0 0 6px; font-size: clamp(1.35rem, 2.4vw, 1.75rem); line-height: 1.2; }
.st-text p { margin: 0; }
.st-text .st-extra { margin-top: 6px; color: rgba(255,255,255,.7); font-size: .92rem; }

.st-row { display: flex; align-items: center; height: var(--circle); }
.st-main {
  position: relative; flex: none; z-index: 2;
  width: var(--circle); height: var(--circle);
  border-radius: 50%;
  border: 20px solid var(--p-mid);
  box-shadow: inset 0 0 0 4px var(--p-dark), 0 0 0 4px var(--p-dark), 0 12px 30px rgba(0,0,0,.25);
  overflow: hidden; background: #333;
  cursor: pointer;
}
.st-main img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.st-main:hover img { transform: scale(1.06); }

.branch { position: relative; flex: 0 1 calc(max(var(--n), 3) * 224px + 70px); height: 100%; min-width: 0; }   /* mind. so lang, dass der Kasten draufpasst */
.branch-pipe {
  position: absolute; left: calc(var(--circle) / -2); right: 0; top: 50%;   /* beginnt hinter dem runden Bild */
  height: var(--branch); margin-top: calc(var(--branch) / -2);
  background: linear-gradient(180deg, var(--p-dark) 0%, var(--p-mid) 30%, var(--p-light) 48%, var(--p-mid) 68%, var(--p-dark) 100%);
  border-radius: 0 8px 8px 0;
  transform: scaleX(0); transform-origin: left center;
  transition: transform 1.1s cubic-bezier(.65,0,.25,1);
}
.branch-pipe::after {         /* Muffe am Ende */
  content: ""; position: absolute; right: -6px; top: -6px; bottom: -6px; width: 22px;
  background: inherit; border-radius: 6px; box-shadow: -3px 0 0 rgba(0,0,0,.2);
}
.thumbs {
  position: absolute; left: 30px; right: 0;
  top: calc(50% + var(--branch) / 2);
  list-style: none; margin: 0; padding: 0 16px 0 0;
  display: flex; gap: 14px; align-items: flex-start;
  overflow-x: auto; overflow-y: hidden;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
  cursor: grab;
  touch-action: pan-x pan-y;
}
.thumbs::-webkit-scrollbar { display: none; }
.thumbs.dragging { cursor: grabbing; scroll-snap-type: none; }
.thumbs img { -webkit-user-drag: none; user-select: none; }
.thumbs li {
  position: relative; flex: none; padding-top: 10px;
  scroll-snap-align: start;
  opacity: 0; transform: translateY(-14px);
  transition: opacity .4s, transform .4s;
  transition-delay: calc(.8s + min(var(--i), 10) * 70ms);
}
.thumbs li::after {           /* Rohrschelle */
  content: ""; position: absolute; left: 50%; top: 0; width: 26px; height: 10px; margin-left: -13px;
  background: #4a515c; border-radius: 0 0 3px 3px;
}
.thumbs a { display: block; }
.thumbs img {
  width: 210px; height: 150px; object-fit: cover;
  border: 3px solid #fff; border-radius: 6px;
  box-shadow: 0 6px 16px rgba(0,0,0,.2);
  transition: transform .25s;
}
.thumbs a:hover img { transform: translateY(4px); }

.station.is-open .branch-pipe { transform: scaleX(1); }
.station.is-open .thumbs li { opacity: 1; transform: none; }

/* Pfeile zum Durchklicken der Bilderleiste (nur sichtbar, wenn es mehr Bilder gibt als Platz) */
.st-arrow {
  --mid: 88px;                 /* Abstand Rohrunterkante → Mitte der Bilder */
  position: absolute; z-index: 3;
  top: calc(50% + var(--branch) / 2 + var(--mid) - 21px);
  width: 42px; height: 42px; border: 0; border-radius: 50%;
  background: rgba(15,31,56,.85); color: #fff; font-size: 1.8rem; line-height: 1; cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
  opacity: 0; pointer-events: none; transition: opacity .3s, background .2s;
}
.st-arrow:hover { background: var(--p-mid); }
.st-arrow.prev { left: 6px; }
.st-arrow.next { right: 6px; }
.station.is-open .st-arrow.show { opacity: 1; pointer-events: auto; }

/* ---------- Kontakt & Footer ---------- */
.kontakt { position: relative; z-index: 2; padding: 24px 0 72px; }
.kontakt .wrap { max-width: 1400px; }   /* gleiche Breite wie die Leistungen, damit das Rohr auf den Block trifft */
.kontakt-box {
  background: var(--band); color: #fff; border-radius: 16px;
  padding: clamp(28px, 5vw, 48px); box-shadow: 0 18px 40px rgba(15,31,56,.25);
  transition: background .4s;
}
.kontakt-box a { color: #fff; text-decoration-color: var(--p-light); text-underline-offset: 3px; }
.kontakt-box a:hover { color: var(--p-light); }
.kontakt h3 { color: var(--p-light); }
.kontakt h2 { margin: 0 0 28px; font-size: clamp(1.5rem, 3vw, 2.1rem); }
.kontakt-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; }
.kontakt h3 { margin: 0 0 8px; font-size: 1.05rem; }
.kontakt p { margin: 0 0 14px; }
.foot { background: var(--foot); color: #b8c0cc; font-size: .9rem; }
.foot-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 22px; padding-bottom: 22px; }
.foot nav { display: flex; gap: 20px; }
.foot a { color: #fff; text-decoration: none; }

/* ---------- Rechtstexte ---------- */
.legal { max-width: 760px; margin: 0 auto; padding: 56px var(--edge) 80px; }
.legal h1 { font-size: 2rem; margin-top: 0; }
.legal h2 { font-size: 1.15rem; margin: 28px 0 6px; }
.legal p { margin: 0 0 10px; }
.legal ul { margin: 0 0 12px; padding-left: 22px; }

/* ---------- Lightbox ---------- */
.lightbox {
  border: 0; padding: 0; background: transparent; max-width: 100vw; max-height: 100vh;
  width: 100vw; height: 100vh;
}
.lightbox::backdrop { background: rgba(8,12,18,.92); }
.lightbox[open] { display: grid; place-items: center; }
.lightbox img { max-width: 92vw; max-height: 84vh; object-fit: contain; border-radius: 4px; }
.lightbox button {
  position: fixed; border: 0; background: rgba(255,255,255,.12); color: #fff;
  width: 52px; height: 52px; border-radius: 50%; font-size: 2rem; line-height: 1; cursor: pointer;
}
.lightbox button:hover { background: rgba(255,255,255,.25); }
.lb-prev { left: 16px; top: 50%; margin-top: -26px; }
.lb-next { right: 16px; top: 50%; margin-top: -26px; }
.lb-close { right: 16px; top: 16px; }
.lb-count { position: fixed; bottom: 12px; left: 0; right: 0; margin: 0; text-align: center; color: #cbd2dc; font-size: .9rem; }

/* ---------- Handy ---------- */
@media (max-width: 760px) {
  :root { --circle: 140px; --pipe: 44px; --branch: 30px; --edge: 14px; }
  .top-inner { height: 64px; }
  .logo { gap: 8px; }
  .logo .lg-bild { height: 32px; }
  .logo .lg-name { position: static; transform: none; height: 11px; }   /* Handy: zu eng für mittig */
  .nav a:not(.nav-cta) { display: none; }
  .nav-cta { font-size: .9rem; padding: 6px 16px; }
  .hero { min-height: 82vh; }
  .hero-inner { padding-bottom: 48px; }
  .leistungen h2 { padding: 48px 0 24px calc(var(--circle) / 2 + var(--pipe) / 2 + 12px); text-align: left; }
  :root { --st-pb: 150px; }
  .st-text { margin-left: calc(var(--circle) / 2 + var(--pipe) / 2 + 12px); margin-right: 26px; padding: 16px 16px 50px; font-size: .94rem; hyphens: auto; overflow-wrap: break-word; }
  .st-text h3 { font-size: 1.25rem; }
  .st-main { z-index: 4; }
  .station { padding: 28px 0 var(--st-pb); }
  .st-main { border-width: 12px; }
  /* Handy: Bilder in zwei Reihen übereinander, so sieht man ~4 auf einmal */
  .thumbs {
    display: grid; grid-auto-flow: column; grid-template-rows: auto auto;
    grid-auto-columns: max-content; gap: 8px 8px; left: 4px; right: calc(-1 * var(--edge)); align-items: start;   /* bis zum Bildschirmrand */
  }
  .thumbs li { padding-top: 0; }
  .thumbs li:nth-child(odd) { padding-top: 10px; }
  .thumbs li:nth-child(even)::after { display: none; }
  .thumbs img { width: 116px; height: 84px; max-width: none; border-width: 2px; }
  .branch { flex: 1; }                  /* Handy: Rohr immer bis zum Rand, Kasten endet vor der Muffe */
  .st-arrow { display: none; }
  /* Bilder am Rand weich ausblenden statt hart abschneiden (nur wenn dort noch mehr kommt) */
  .branch.more-right .thumbs { -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent); mask-image: linear-gradient(90deg, #000 88%, transparent); }
  .branch.more-left .thumbs { -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%); mask-image: linear-gradient(90deg, transparent, #000 12%); }
  .branch.more-left.more-right .thumbs { -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
  .st-arrow { --mid: 98px; width: 36px; height: 36px; font-size: 1.5rem; }
  .band ul { font-size: .82rem; }
  .band li + li::before { margin: 0 8px; }
}
@media (max-width: 760px) and (orientation: portrait) {
  .hero-bg { background-image: url(../img/hero/hero6-mobil.jpg); }
}


@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .branch-pipe, .thumbs li, .st-text { transition: none; transform: none; opacity: 1; clip-path: none; }
}