/* Bonke-Systems – Hauptseite. Statisch, keine externen Schriften, keine Skripte.
   Petrol-Palette: dunkle Bänder (Auftakt, Anwendungen) tragen die Bildflächen,
   helle Bänder (Leistungen, Kontakt) den Lesetext. */
:root {
  --petrol-deep: #0a2f35;
  --petrol: #0d4a52;
  --teal: #00898f;
  --teal-bright: #1fb0b8;
  --mint: #8fe3e8;
  --ink: #14232a;
  --ink-soft: #4e626b;
  --line: #cfdbdd;
  --ground: #f3f7f7;
  --paper: #ffffff;
  --on-dark: #e8f4f5;
  --on-dark-soft: #a9cfd3;
  --mark-bg: #fff4d6;
  --mark-line: #e0b84a;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --teal: #2fb9c1;
    --teal-bright: #5fd0d8;
    --ink: #e4eef0;
    --ink-soft: #9fb6bb;
    --line: #23393e;
    --ground: #0c1619;
    --paper: #122327;
    --mark-bg: #3d3416;
    --mark-line: #b6923a;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --teal: #2fb9c1;
  --teal-bright: #5fd0d8;
  --ink: #e4eef0;
  --ink-soft: #9fb6bb;
  --line: #23393e;
  --ground: #0c1619;
  --paper: #122327;
  --mark-bg: #3d3416;
  --mark-line: #b6923a;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 400 17px/1.55 "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}
h1, h2, h3, h4 {
  font-family: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.12;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin: 0;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); font-weight: 650; color: var(--teal); }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0; max-width: 62ch; }
a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--teal-bright); outline-offset: 3px; }
img { max-width: 100%; }

.wrap { width: min(1120px, 100% - 3rem); margin-inline: auto; }
.eyebrow {
  font-family: Consolas, "Cascadia Mono", "Segoe UI Mono", monospace;
  font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--teal-bright); margin-bottom: 0.7rem;
}
.eyebrow::before { content: "// "; opacity: 0.6; }

/* Kopf */
.top { background: var(--petrol-deep); color: var(--on-dark); border-bottom: 3px solid var(--teal); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 68px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 0.7rem; color: inherit; text-decoration: none; font-weight: 650; letter-spacing: 0.03em; }
.brand img { height: 36px; width: auto; flex: none; }
.top nav { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.top nav a { color: var(--on-dark-soft); text-decoration: none; font-size: 0.95rem; }
.top nav a:hover { color: var(--mint); }

/* Auftakt – dunkles Petrol mit Bildfläche rechts */
.hero {
  position: relative; isolation: isolate; color: var(--on-dark);
  background: var(--petrol-deep) url("../img/bg-hero.svg") center / cover no-repeat;
  padding: 5.5rem 0 4.5rem;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(10, 47, 53, 0.92) 0%, rgba(10, 47, 53, 0.72) 55%, rgba(10, 47, 53, 0.25) 100%);
}
.hero h1 { color: #fff; max-width: 16ch; }
.hero h1 em { font-style: normal; color: var(--teal-bright); }
.hero p.lead { font-size: 1.2rem; color: var(--on-dark-soft); margin-top: 1.3rem; max-width: 54ch; }
.hero .facts { display: flex; gap: 2.5rem; flex-wrap: wrap; margin-top: 2.6rem; padding-top: 1.4rem; border-top: 2px solid var(--teal); }
.hero .facts div { font-size: 0.92rem; color: var(--on-dark-soft); }
.hero .facts strong { display: block; color: var(--teal-bright); font-weight: 600; font-family: Consolas, "Cascadia Mono", monospace; letter-spacing: 0.02em; }
.hero .wrap { position: relative; }
.hero-mark { position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: clamp(160px, 24vw, 300px); height: auto; pointer-events: none; }
@media (max-width: 900px) { .hero-mark { display: none; } }

section.block { padding: 4.5rem 0; }
section.block h2 { margin-bottom: 0.6rem; }
.block-intro { color: var(--ink-soft); font-size: 1.05rem; margin-bottom: 2.5rem; }

/* Leistungsbereiche – Bildfläche und Text nebeneinander, Seite wechselt */
.area {
  display: grid; grid-template-columns: minmax(260px, 2fr) 3fr;
  background: var(--paper); border: 1px solid var(--line); border-top: 4px solid var(--teal); border-radius: 6px; overflow: hidden;
}
.area + .area { margin-top: 2rem; }
.area.flip .area-visual { order: 2; }
.area-visual { position: relative; min-height: 320px; background: var(--teal) center / cover no-repeat; box-shadow: inset 0 0 0 1px rgba(0,137,143,.35); }
.area-visual.entsorgung { background-image: url("../img/bg-entsorgung.svg"); }
.area-visual.software { background-image: url("../img/bg-software.svg"); }
.area-visual .tag {
  position: absolute; left: 1.2rem; bottom: 1.1rem;
  font-family: Consolas, "Cascadia Mono", monospace; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--mint); background: rgba(10, 47, 53, 0.75); padding: 0.35rem 0.6rem; border-radius: 3px;
  border-left: 3px solid var(--teal-bright);
}
.area-text { padding: 2.2rem 2.4rem 2.4rem; }
.area-text h3 { font-size: 1.45rem; font-weight: 650; color: var(--teal); margin-bottom: 0.5rem; }
.area-text > p { color: var(--ink-soft); margin-bottom: 1.6rem; }
.services { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.4rem 2rem; }
.services article { padding-left: 0.9rem; border-left: 3px solid var(--teal); }
.services h4 { font-size: 1.02rem; font-weight: 600; margin: 0 0 0.3rem; line-height: 1.3; }
.services p { color: var(--ink-soft); font-size: 0.95rem; }
@media (max-width: 760px) {
  .area { grid-template-columns: 1fr; }
  .area.flip .area-visual { order: 0; }
  .area-visual { min-height: 200px; }
  .area-text { padding: 1.6rem 1.4rem 1.8rem; }
}

/* Anwendungen – dunkles Band mit Raster, Kacheln durchscheinend */
.apps-band {
  color: var(--on-dark); padding: 4.5rem 0; background-color: #00898f;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(135deg, #00919d 0%, #00898f 45%, #00626a 100%);
  background-size: 48px 48px, 48px 48px, 100% 100%;
}
.apps-band h2 { color: #fff; margin-bottom: 0.6rem; }
.apps-band .block-intro { color: #d6f1f3; }
.apps-band .eyebrow { color: #fff; }
.apps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; }
.app {
  background: rgba(10, 47, 53, 0.35); border: 1px solid rgba(255, 255, 255, 0.25); border-radius: 6px;
  padding: 1.2rem 1.3rem; display: grid; grid-template-columns: 44px 1fr; grid-template-rows: auto auto;
  column-gap: 0.9rem; row-gap: 0.15rem; align-items: center; text-decoration: none; color: inherit;
  transition: border-color 0.15s, background 0.15s;
}
a.app:hover { border-color: #fff; background: rgba(10, 47, 53, 0.55); }
.app-logo { grid-row: 1 / 3; width: 44px; height: 44px; align-self: start; }
.app .name { font-weight: 650; letter-spacing: 0.04em; color: #fff; }
.app .host { font-size: 0.8rem; color: #d6f1f3; font-family: Consolas, "Cascadia Mono", monospace; }
.app p { grid-column: 1 / -1; margin-top: 0.7rem; font-size: 0.95rem; color: #e6f6f7; }
.app.planned { opacity: 0.75; border-style: dashed; }
.apps-note { margin-top: 1.4rem; font-size: 0.95rem; color: #d6f1f3; }

/* Kontakt */
.contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2rem 3rem; }
dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1.2rem; font-size: 0.98rem; }
dt { color: var(--ink-soft); }
dd { margin: 0; }
.hours h3 { margin-bottom: 0.5rem; }
.hours table { border-collapse: collapse; font-size: 0.98rem; }
.hours td { padding: 0.15rem 1.2rem 0.15rem 0; font-variant-numeric: tabular-nums; }
.hours-note { margin-top: 1rem; font-size: 0.95rem; color: var(--ink-soft); }

/* Fuß */
footer { padding: 2rem 0 2.5rem; font-size: 0.9rem; color: var(--ink-soft); border-top: 4px solid var(--teal); }
footer .wrap { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
footer nav { display: flex; gap: 1.4rem; }

/* Unterseiten (Impressum, Datenschutz) */
.page { padding: 3.5rem 0 4rem; }
.page h1 { font-size: 2rem; margin-bottom: 1.8rem; }
.page h2 { font-size: 1.25rem; margin: 2rem 0 0.6rem; }
.page p, .page li { max-width: 68ch; }
.page p + p { margin-top: 0.7rem; }
.page ul { padding-left: 1.2rem; }
address { font-style: normal; }
.stand { margin-top: 2rem; color: var(--ink-soft); font-size: 0.9rem; }

/* Platzhalter – vor dem Freischalten ersetzen */
mark.todo {
  background: var(--mark-bg); color: inherit; border-bottom: 1px dashed var(--mark-line);
  padding: 0 0.2em; border-radius: 2px;
}

/* Engineering-Bereich */
/* Bildflächen als <img> statt CSS-Hintergrund: so laufen die SVG-Animationen auch in Safari/iPhone */
.area-visual.engineering, .area-visual.planung { background: var(--petrol-deep); }
.area-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.page-hero-bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; display: block; }
.area-mark { position: absolute; left: 1.2rem; top: 1.2rem; width: 96px; height: 96px; }
.area-more { margin-top: 1.6rem; font-weight: 600; }
.area-more a { text-decoration: none; }
.area-more a:hover { text-decoration: underline; }

/* Unterseite Engineering – Auftaktband mit BE-Marke */
.page-hero {
  color: var(--on-dark); background: var(--petrol-deep);
  position: relative; isolation: isolate; padding: 4.5rem 0 4rem;
}
.page-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(10,47,53,.94) 0%, rgba(10,47,53,.75) 55%, rgba(10,47,53,.3) 100%); }
.page-hero h1 { color: #fff; max-width: 18ch; }
.page-hero .lead { font-size: 1.15rem; color: var(--on-dark-soft); margin-top: 1.2rem; max-width: 56ch; }
.page-hero .mark { width: 120px; height: 120px; margin-bottom: 1.6rem; display: block; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.2rem; counter-reset: step; }
.steps article { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 1.3rem 1.4rem; }
.steps article { border-top: 4px solid var(--teal); }
.steps article::before { counter-increment: step; content: "0" counter(step); display: block; font-family: Consolas, "Cascadia Mono", monospace; color: var(--teal); font-size: 0.85rem; letter-spacing: 0.1em; margin-bottom: 0.5rem; }
.steps h3 { margin-bottom: 0.4rem; }
.steps p { color: var(--ink-soft); font-size: 0.95rem; }
.cta { background: var(--paper); border: 1px solid var(--line); border-left: 6px solid var(--teal); border-radius: 6px; padding: 1.5rem 1.8rem; display: flex; gap: 1.5rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.cta strong { display: block; font-size: 1.1rem; margin-bottom: 0.2rem; }
.cta p { color: var(--ink-soft); font-size: 0.95rem; }
.btn { display: inline-block; background: var(--teal); color: #fff; text-decoration: none; padding: 0.7rem 1.2rem; border-radius: 4px; font-weight: 600; }
.btn:hover { background: var(--teal-bright); }

/* Team Engineering */
.team { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.2rem; }
.person { background: var(--paper); border: 1px solid var(--line); border-top: 4px solid var(--teal); border-radius: 6px; padding: 1.4rem; display: grid; grid-template-columns: 120px 1fr; gap: 1.2rem; align-items: start; }
.person-photo { width: 120px; height: 160px; object-fit: cover; border-radius: 6px; background: var(--teal); display: block; }
.person h3 { font-size: 1.15rem; margin-bottom: 0.2rem; }
.person-role { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 0.8rem; }
.person dl { font-size: 0.95rem; }
@media (max-width: 480px) { .person { grid-template-columns: 1fr; } }

/* Planungsbereich (bonke-engineering.de) */
.person-photo.placeholder { display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 2rem; }

/* Vorschau beim Überfahren – Links auf VETON und Bonke-Baulogistik im Auftakt (nur CSS) */
.page-hero .lead a { color: var(--mint); }
.peek { position: relative; }
.peek-card {
  position: absolute; left: 0; top: calc(100% + 0.6rem); z-index: 5; width: 260px;
  display: block; background: var(--paper); color: var(--ink); border: 1px solid var(--line); border-top: 3px solid var(--teal);
  border-radius: 6px; overflow: hidden; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity 0.18s ease, transform 0.18s ease, visibility 0s linear 0.18s;
  pointer-events: none; font-size: 0.85rem; line-height: 1.4; text-align: left;
}
.peek-card img { display: block; width: 100%; height: 150px; object-fit: cover; }
.peek-text { display: block; padding: 0.6rem 0.8rem 0.7rem; color: var(--ink-soft); }
.peek-text b { display: block; color: var(--teal); font-weight: 650; margin-bottom: 0.1rem; }
.peek:hover .peek-card, .peek:focus-visible .peek-card { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
@media (hover: none) { .peek-card { display: none; } }

/* E-Mail- und Telefon-Verweise werden erst im Browser zusammengesetzt (Schutz vor Adresssammlern) */
a.mail, a.tel { color: var(--teal); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; cursor: pointer; }