/* ═══════════════════════════════════════════════════════════════
   MH3 digital (mh3.ai) — Stylesheet, Stand 25.10.2026
   Grundlage: css/style.css von mh3-ingenieure.de (Tokens, Typografie,
   Navigation, Buttons, Footer). Richtung A (JQ 25.10.2026): Akzent Kupfer wie im Vorbild.
═══════════════════════════════════════════════════════════════ */
:root {
  --c-black:      #0a0a0a;
  --c-black-2:    #141414;
  --c-black-3:    #1e1e1e;
  --c-logo:       #1D1D1B;
  --c-white:      #ffffff;
  --c-gray:       #7a7a7a;
  --c-gray-light: #b0b0b0;
  --c-gray-text:  #808080;   /* ≥ 4,5:1 auf --c-black-2 */
  --c-border:     rgba(255,255,255,0.08);
  --c-accent:     #c8a87a;   /* Kupfer wie mh3-ingenieure.de; Signalfarbe entfällt (JQ 25.10.2026) */

  --font-heading: 'Barlow Condensed', 'Arial Narrow', Arial, sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --nav-h:        72px;
  --section-pad:  clamp(60px, 10vw, 120px);
  --content-max:  1280px;
  --content-pad:  clamp(20px, 5vw, 60px);
  --ease-out:     cubic-bezier(0.22, 1, 0.36, 1);
  --hero-logo:    clamp(240px, 49svh, 560px);
  --hero-gap:     calc(0.35 * (100svh - var(--hero-logo)));   /* oben = links, 70 % des zentrierten Abstands */
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body { background: var(--c-black); color: var(--c-white); font-family: var(--font-body); font-weight: 300; line-height: 1.6; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 3px; }

h1, h2, h3 { font-family: var(--font-heading); font-weight: 700; line-height: 1.05; letter-spacing: -0.01em; }
.eyebrow { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--c-accent); }
.container { width: 100%; max-width: var(--content-max); margin: 0 auto; padding: 0 var(--content-pad); }
.section { padding: var(--section-pad) 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 8px; top: -60px; z-index: 200; background: var(--c-accent); color: var(--c-black); padding: 10px 16px; font-weight: 500; }
.skip:focus { top: 8px; }

/* ── Navigation (wie Vorbild, reduziert) ───────────────────────── */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: var(--nav-h); display: flex; align-items: center;
  background: linear-gradient(to bottom, rgba(10,10,10,0.78), rgba(10,10,10,0.35) 70%, rgba(10,10,10,0)); transition: background 0.4s var(--ease-out), box-shadow 0.4s; }
.nav.scrolled, .nav--solid { background: rgba(10,10,10,0.97); box-shadow: 0 1px 0 var(--c-border); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav__logo img { width: 44px; height: 44px; }
.nav__brand { display: flex; align-items: center; gap: 16px; min-width: 0; }
.nav__logo { flex-shrink: 0; overflow: hidden; transition: width 0.3s var(--ease-out), opacity 0.3s; width: 44px; }
.nav--hero .nav__logo { width: 0; opacity: 0; visibility: hidden; margin-right: -16px; }
.nav--hero.scrolled .nav__logo { width: 44px; opacity: 1; visibility: visible; margin-right: 0; }
/* Unterzeile im Kopf, Stil wie das Hero-Label des Vorbilds; im Startbild bündig mit der linken Logokante */
.nav__claim { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; line-height: 1.5;
  color: var(--c-white); text-shadow: 0 1px 3px rgba(0,0,0,0.9); white-space: nowrap; }
.nav--hero:not(.scrolled) .nav__brand { padding-left: max(0px, calc(var(--hero-gap) - max(var(--content-pad), (100vw - var(--content-max)) / 2 + var(--content-pad)))); }
@media (max-width: 420px) { .nav__claim { font-size: 0.66rem; letter-spacing: 0.14em; } .nav__link { padding: 0 10px; } }
@media (max-width: 520px) { .nav.scrolled .nav__claim, .nav--solid .nav__claim { display: none; } }
.nav__links { display: flex; }
.nav__link { padding: 0 14px; height: var(--nav-h); display: flex; align-items: center; font-size: 0.82rem; font-weight: 400;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--c-white); position: relative; transition: color 0.25s; }
.nav__link::after { content: ''; position: absolute; bottom: 0; left: 14px; right: 14px; height: 2px; background: var(--c-accent);
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease-out); }
.nav__link:hover::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__links .nav__link:last-child { padding-right: 0; }
.nav__links .nav__link:last-child::after { right: 0; }

/* ── Hero: Logo schwebend über dem Startbild ───────────────────── */
.hero { position: relative; height: 100svh; min-height: 560px; overflow: hidden; background: var(--c-black-3); }
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.hero__mark {
  position: absolute; top: var(--hero-gap); left: var(--hero-gap); width: var(--hero-logo);
}
.hero__mark { z-index: 1; isolation: isolate; }
.hero__mark h1 { margin: 0; position: relative; z-index: 1; }
.hero__mark img { width: 100%; height: auto; }
@media (max-aspect-ratio: 1/1) {
  .hero__mark { --hero-logo: min(calc(100vw - 2 * var(--content-pad)), 52svh); top: calc(var(--nav-h) + 24px); left: var(--content-pad); }
  .nav--hero:not(.scrolled) .nav__brand { padding-left: 0; }
}

/* ── Intro „Was MH3 digital ist“ (Raster wie Vorbild) ────────────────── */
.intro { background: var(--c-black-2); }
.intro__grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: start; }
@media (min-width: 768px) { .intro__grid { grid-template-columns: 1fr 1.5fr; gap: 80px; align-items: center; } }
.intro__kicker { font-size: clamp(2rem, 5vw, 3.5rem); text-transform: uppercase; color: var(--c-white); margin-top: 16px; }
.intro__kicker strong { color: var(--c-accent); font-weight: 700; }
.punkt { color: var(--c-accent); }   /* Satzpunkt im Akzent, wie im Vorbild-Hero */
.intro__text p { font-size: clamp(0.95rem, 2vw, 1.05rem); line-height: 1.7; color: rgba(255,255,255,0.75); margin-bottom: 20px; }
.intro__text p:last-child { margin-bottom: 0; }

/* ── Kontakt ────────────────────────────────────────────────────── */
.kontakt { background: var(--c-black); }
.kontakt__inner { display: flex; flex-direction: column; gap: 40px; align-items: flex-start; }
@media (min-width: 768px) { .kontakt__inner { flex-direction: row; align-items: center; justify-content: space-between; } }
.kontakt__heading { font-size: clamp(1.8rem, 4vw, 2.8rem); text-transform: uppercase; line-height: 1.1; max-width: 480px; margin-top: 16px; }
.kontakt__heading em { font-style: normal; color: var(--c-accent); }
.kontakt__info { display: flex; flex-direction: column; gap: 20px; font-style: normal; }
.kontakt__item { display: flex; align-items: center; gap: 14px; font-size: 1rem; color: rgba(255,255,255,0.8); transition: color 0.25s; }
a.kontakt__item:hover { color: var(--c-white); }
.kontakt__item svg { color: var(--c-accent); flex-shrink: 0; }

/* ── Footer (Vorbild, reduziert) ────────────────────────────────── */
.footer { padding: 40px 0 32px; background: var(--c-black-2); border-top: 1px solid var(--c-border); }
.footer__inner { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 640px) { .footer__inner { grid-template-columns: 1.5fr 1fr; } }
.footer__brand { display: flex; align-items: center; gap: 16px; }
.footer__brand img { width: 56px; height: 56px; }
.footer__tagline { font-size: 0.88rem; color: var(--c-gray-text); line-height: 1.5; }
.footer__tagline a { color: rgba(255,255,255,0.75); border-bottom: 1px solid var(--c-accent); }
.footer__tagline a:hover { color: var(--c-white); }
.footer__heading { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--c-gray-text); margin-bottom: 14px; }
.footer__list { display: flex; flex-direction: column; gap: 10px; }
.footer__link { font-size: 0.88rem; color: rgba(255,255,255,0.6); transition: color 0.25s; }
.footer__link:hover { color: var(--c-white); }
.footer__bottom { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--c-border); display: flex; flex-direction: column; gap: 12px; }
@media (min-width: 640px) { .footer__bottom { flex-direction: row; align-items: center; justify-content: space-between; } }
.footer__copyright, .footer__legal a { font-size: 0.78rem; color: var(--c-gray-text); }
.footer__legal { display: flex; gap: 20px; }
.footer__legal a:hover { color: var(--c-white); }


/* ── Unterseiten: Seitenkopf (Vorbild .page-header) ─────────────── */
.page-header { padding-top: calc(var(--nav-h) + clamp(40px, 7vw, 88px)); padding-bottom: clamp(40px, 6vw, 72px);
  background: var(--c-black-2); border-bottom: 1px solid var(--c-border); }
.page-header .eyebrow { margin-bottom: 16px; }
.page-header h1 { font-size: clamp(2.5rem, 7vw, 5.5rem); text-transform: uppercase; line-height: 0.95; }
.page-header__sub { margin-top: 20px; font-size: clamp(1rem, 2vw, 1.1rem); line-height: 1.65; color: rgba(255,255,255,0.7); max-width: 640px; }

/* Support: Kontaktweg im Seitenkopf, ohne Scrollen sichtbar */
.support-kontakt { margin-top: 32px; display: grid; gap: 20px; grid-template-columns: 1fr; font-style: normal; max-width: 760px; }
@media (min-width: 640px) { .support-kontakt { grid-template-columns: 1fr 1fr; } }
.support-kontakt__label { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--c-gray-light); margin-bottom: 6px; }
.support-kontakt__wert { font-size: 1.05rem; line-height: 1.6; color: var(--c-white); }
.support-kontakt__wert a { border-bottom: 1px solid var(--c-accent); }
.support-kontakt__wert a:hover { color: var(--c-accent); }

/* Inhaltsseiten (Support, Rechtstexte) */
.inhalt { padding: clamp(48px, 7vw, 88px) 0 clamp(64px, 9vw, 110px); background: var(--c-black); }
.inhalt .container > * { max-width: 760px; }   /* bündig mit Kopf und Seitenkopf, Textbreite begrenzt */
.inhalt h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); text-transform: uppercase; margin: 56px 0 16px; scroll-margin-top: calc(var(--nav-h) + 24px); }
.inhalt h2:first-child { margin-top: 0; }
.inhalt h3 { font-family: var(--font-body); font-size: 1rem; font-weight: 500; letter-spacing: 0; color: var(--c-white); margin: 28px 0 8px; }
.inhalt p, .inhalt address, .inhalt li { color: #b0b0b0; line-height: 1.75; font-size: 0.97rem; font-style: normal; }
.inhalt p, .inhalt address { margin-bottom: 12px; }
.inhalt ul { list-style: disc; padding-left: 22px; margin-bottom: 16px; }
.inhalt li { margin-bottom: 4px; }
.inhalt li strong { color: var(--c-white); font-weight: 500; }
.inhalt a { color: var(--c-white); border-bottom: 1px solid var(--c-accent); }
.inhalt a:hover { color: var(--c-accent); }
.inhalt hr { border: none; border-top: 1px solid rgba(255,255,255,0.1); margin: 40px 0; }
.inhalt .meta { font-size: 0.85rem; color: var(--c-gray-text); margin-bottom: 32px; }
.inhalt .quelle { margin-top: 40px; font-size: 0.78rem; color: var(--c-gray-text); }
.app-liste { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-bottom: 8px; }
.hinweis { border-left: 2px solid var(--c-accent); padding: 4px 0 4px 18px; margin: 16px 0 20px; }
.hinweis p { color: var(--c-white); }

/* Offene Stellen bis zur Freigabe — vor der Liveschaltung müssen alle verschwunden sein */
.offen { display: inline; background: rgba(200,168,122,0.14); color: var(--c-accent); border: 1px dashed var(--c-accent); padding: 0 6px; font-style: normal; }

/* 404 */
.fehler { min-height: 70svh; display: flex; align-items: center; padding-top: var(--nav-h); background: var(--c-black-2); }
.fehler h1 { font-size: clamp(3rem, 10vw, 7rem); text-transform: uppercase; line-height: 0.95; margin: 16px 0 24px; }
.fehler p { color: rgba(255,255,255,0.75); max-width: 560px; margin-bottom: 28px; }
.cta-link { display: inline-flex; align-items: center; gap: 12px; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; border-bottom: 1px solid var(--c-accent); padding-bottom: 4px; transition: gap 0.3s var(--ease-out), color 0.25s; }
.cta-link:hover { gap: 20px; color: var(--c-accent); }