/* ============================================================
   INNO BAHNBAU — Component & page layout styles
   ============================================================ */

/* ---- Navbar ---- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.nav.is-scrolled { border-color: var(--border-soft); box-shadow: var(--shadow-sm); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); gap: 24px; }
.nav-logo { display: inline-flex; }
.nav-links { display: flex; align-items: center; gap: 30px; margin-left: auto; margin-right: 26px; }
.nav-link { font-size: 15px; font-weight: 500; color: var(--c-600); position: relative; padding: 6px 0; transition: color .15s; }
.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--text); font-weight: 600; }
.nav-link.active::after { content:""; position:absolute; bottom:-2px; left:0; width:100%; height:2px; background:var(--red); }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.lang-toggle { display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--c-400); padding: 6px 8px; border-radius: var(--r-sm); }
.lang-toggle:hover { color: var(--text); }
.lang-toggle .on { color: var(--text); }
.lang-toggle .sep { color: var(--c-300); }
.nav-login { display: inline-flex; align-items: center; gap: 7px; height: 40px; padding: 0 14px; border-radius: var(--r-sm); border: 1.5px solid var(--border); color: var(--text); font-weight: 600; font-size: 14.5px; transition: border-color .15s, background .15s, color .15s; }
.nav-login:hover { border-color: var(--c-400); background: var(--c-50); color: var(--red); }
.nav-login .nav-login-txt { line-height: 1; }
@media (max-width: 1080px) { .nav-login .nav-login-txt { display: none; } .nav-login { padding: 0; width: 40px; justify-content: center; } }
.nav-burger { display: none; color: var(--text); padding: 4px; }
.nav-mobile { display: none; }

@media (max-width: 880px) {
  .nav-links, .nav-cta, .nav-login { display: none; }
  .nav-burger { display: inline-flex; }
  .nav-mobile { display: flex; flex-direction: column; gap: 6px; padding: 14px 24px 22px; border-top: 1px solid var(--border-soft); background: #fff; }
  .nav-mobile-link { padding: 12px 4px; font-weight: 600; font-size: 17px; border-bottom: 1px solid var(--border-soft); }
}

/* ---- Hero ---- */
.hero { position: relative; background: var(--ink); color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .42; }
.hero-bg::after { content:""; position:absolute; inset:0;
  background: linear-gradient(105deg, rgba(15,17,21,.96) 0%, rgba(15,17,21,.78) 42%, rgba(15,17,21,.35) 100%); }
.hero-grid-lines { position:absolute; inset:0; opacity:.5;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px); background-size: 100% 64px; pointer-events:none; }
.hero-inner { position: relative; z-index: 2; padding-top: clamp(64px, 11vw, 130px); padding-bottom: clamp(56px, 9vw, 112px); }
.hero h1 { color: #fff; max-width: 16ch; }
.hero-accent { color: var(--red); }
.hero-lead { color: #c4cad2; max-width: 52ch; margin-top: 26px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 30px 48px; margin-top: 54px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.12); }
.hero-meta-item { display: flex; flex-direction: column; gap: 5px; }
.hero-meta-item .v { font-family: var(--font-display); font-weight: 800; font-size: 26px; color: #fff; }
.hero-meta-item .l { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: #8b939f; }

/* ---- Stat strip ---- */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border-soft); border: 1px solid var(--border-soft); border-radius: var(--r-md); overflow: hidden; }
.stat-strip.on-ink { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.12); }
.stat { background: #fff; padding: 28px 26px; }
.stat-strip.on-ink .stat { background: var(--ink); }
.stat-v { font-size: clamp(30px, 4vw, 46px); color: var(--text); }
.on-ink .stat-v, .stat-strip.on-ink .stat-v { color: #fff; }
.stat-l { margin-top: 8px; }
@media (max-width: 720px) { .stat-strip { grid-template-columns: repeat(2, 1fr); } }

/* ---- Section header + intro layout ---- */
.intro-row { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: end; }
.intro-row .right { justify-self: end; max-width: 420px; }
@media (max-width: 820px) { .intro-row { grid-template-columns: 1fr; gap: 22px; align-items: start; } .intro-row .right { justify-self: start; } }

/* ---- Services grid ---- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 980px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .svc-grid { grid-template-columns: 1fr; } }
.svc-card { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: flex-start; text-align: left; padding: 30px 28px 26px; gap: 0; cursor: pointer; }
.svc-grid > .reveal, .case-grid > .reveal { display: flex; }
.svc-card:hover { border-color: var(--c-300); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.svc-icon { width: 50px; height: 50px; display: grid; place-items: center; border-radius: var(--r-sm); background: var(--red-50); color: var(--red); margin-bottom: 20px; }
.svc-cat { margin-bottom: 9px; }
.svc-title { margin-bottom: 10px; }
.svc-desc { color: var(--c-600); margin-bottom: 18px; }
.svc-more { margin-top: auto; }

/* Detailed service rows (Leistungen page) */
.svc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--border-soft); border-radius: var(--r-md); overflow: hidden; background: #fff; }
.svc-row.flip .svc-row-media { order: 2; }
.svc-row-media { position: relative; min-height: 340px; }
.svc-row-media img, .svc-row-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.svc-row-body { padding: clamp(28px, 4vw, 52px); display: flex; flex-direction: column; justify-content: center; }
.svc-row-body .num { font-family: var(--font-mono); font-size: 13px; color: var(--red); font-weight: 600; }
.svc-list { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.svc-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 15px; color: var(--c-700); }
.svc-list .ic { color: var(--red); flex: 0 0 auto; margin-top: 2px; }
@media (max-width: 760px) { .svc-row { grid-template-columns: 1fr; } .svc-row.flip .svc-row-media { order: 0; } .svc-row-media { min-height: 230px; } }

/* ---- Case cards ---- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 960px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .case-grid { grid-template-columns: 1fr; } }
.case-card { width: 100%; height: 100%; display: flex; flex-direction: column; text-align: left; padding: 0; overflow: hidden; cursor: pointer; }
.case-card:hover { border-color: var(--c-300); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.case-card:hover .case-media img { transform: scale(1.05); }
.case-media { aspect-ratio: 4/3; border-radius: 0; }
.case-media img { transition: transform .5s cubic-bezier(.16,1,.3,1); }
.case-tags { position: absolute; left: 14px; bottom: 14px; display: flex; gap: 7px; z-index: 2; }
.case-media video { transition: transform .5s cubic-bezier(.16,1,.3,1); }
.case-card:hover .case-media video { transform: scale(1.05); }
.play-badge { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); z-index: 2; width: 58px; height: 58px; border-radius: 50%; background: rgba(229,52,42,.92); color: #fff; display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,.3); padding-left: 3px; transition: transform .2s, background .2s; }
.case-card:hover .play-badge { transform: translate(-50%,-50%) scale(1.08); background: var(--red); }
.case-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.case-meta { display: inline-flex; align-items: center; gap: 6px; }
.case-result { color: var(--c-600); flex: 1; }
.case-card .tlink { margin-top: 4px; }
.case-grid > .span-feature { grid-column: span 2; }
.case-card.featured .case-media { aspect-ratio: 16/9; }
@media (max-width: 600px) { .case-grid > .span-feature { grid-column: span 1; } }

/* ---- Process timeline ---- */
.proc { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: step; }
.proc-step { position: relative; padding: 0 22px 0 0; }
.proc-rail { display: flex; align-items: center; margin-bottom: 22px; position: relative; }
.proc-dot { width: 46px; height: 46px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; flex: 0 0 auto; z-index: 2; }
.proc-step:not(:last-child) .proc-rail::after { content:""; position:absolute; left:46px; right:-22px; top:50%; height:2px; background: var(--border); }
.proc-content { padding-right: 8px; }
@media (max-width: 860px) {
  .proc { grid-template-columns: 1fr; gap: 0; }
  .proc-step { display: grid; grid-template-columns: 46px 1fr; gap: 20px; padding: 0 0 30px; }
  .proc-rail { margin-bottom: 0; flex-direction: column; height: 100%; }
  .proc-step:not(:last-child) .proc-rail::after { left: 50%; top: 46px; bottom: -30px; right: auto; width: 2px; height: auto; transform: translateX(-50%); }
}

/* ---- FAQ ---- */
.faq { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; text-align: left; padding: 24px 0; color: var(--text); }
.faq-q:hover { color: var(--red); }
.faq-chev { color: var(--c-400); transition: transform .3s; flex: 0 0 auto; }
.faq-item.open .faq-chev { transform: rotate(180deg); color: var(--red); }
.faq-a { overflow: hidden; transition: max-height .35s cubic-bezier(.16,1,.3,1); }
.faq-a p { color: var(--c-600); max-width: 70ch; }

/* ---- CTA band ---- */
.cta-band { position: relative; background: var(--ink); color: #fff; border-radius: var(--r-lg); overflow: hidden; padding: clamp(40px, 6vw, 72px); }
.cta-band .slash { position: absolute; right: -60px; top: 50%; width: 320px; height: 6px; background: var(--red); transform: translateY(-50%) rotate(-38deg); opacity: .9; }
.cta-band-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; max-width: 20ch; }

/* ---- Contact ---- */
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; gap: 36px; } }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; font-family: var(--font-mono); letter-spacing: .04em; text-transform: uppercase; color: var(--c-600); }
.field input, .field textarea { width: 100%; background: var(--c-50); border: 1.5px solid var(--border); border-radius: var(--r-sm); padding: 13px 15px; font: inherit; font-size: 15px; color: var(--text); transition: border-color .15s, background .15s; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--red); background: #fff; }
.field textarea { resize: vertical; min-height: 130px; }
.contact-info { display: flex; flex-direction: column; gap: 14px; }
.info-card { display: flex; gap: 16px; padding: 22px; border: 1px solid var(--border-soft); border-radius: var(--r-md); background: #fff; }
.info-card .ic { width: 44px; height: 44px; flex: 0 0 auto; border-radius: var(--r-sm); background: var(--c-100); color: var(--text); display: grid; place-items: center; }
.info-card.emph .ic { background: var(--red-50); color: var(--red); }
.info-card .k { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--c-500); }
.info-card .val { font-weight: 600; font-size: 16px; margin-top: 4px; }
.form-success { background: #ECF7F0; border: 1px solid #BFE3CC; color: #1C7A45; border-radius: var(--r-sm); padding: 14px 16px; margin-bottom: 18px; font-weight: 500; font-size: 15px; }

/* ---- Footer ---- */
.footer { padding-block: clamp(48px, 6vw, 76px) 36px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-h { font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: #fff; margin-bottom: 18px; font-weight: 600; }
.footer-list { display: flex; flex-direction: column; gap: 11px; }
.footer-list a, .footer-list li { color: #9aa3ad; font-size: 14.5px; transition: color .15s; }
.footer-list a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 48px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-legal { display: flex; gap: 26px; }
.footer-legal a { color: #9aa3ad; font-size: 14px; }
.footer-legal a:hover { color: #fff; }

/* ---- Page hero (sub-pages) ---- */
.page-hero { background: var(--ink); color: #fff; padding-top: clamp(54px, 7vw, 92px); padding-bottom: clamp(48px, 6vw, 80px); position: relative; overflow: hidden; }
.page-hero .grid-lines { position:absolute; inset:0; opacity:.4; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px); background-size: 100% 56px; }
.page-hero h1 { color: #fff; max-width: 18ch; }
.page-hero .lead { color: #c4cad2; max-width: 56ch; margin-top: 20px; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: #8b939f; margin-bottom: 26px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: var(--red); }

/* ---- Detail / modal sheet ---- */
.sheet-overlay { position: fixed; inset: 0; z-index: 200; background: rgba(15,17,21,.55); backdrop-filter: blur(3px); display: flex; justify-content: flex-end; }
.sheet { width: min(560px, 100%); height: 100%; background: #fff; overflow-y: auto; animation: sheetIn .35s cubic-bezier(.16,1,.3,1); }
@keyframes sheetIn { from { transform: translateX(40px); opacity: .4; } to { transform: none; opacity: 1; } }
.sheet-media { position: relative; aspect-ratio: 16/10; }
.sheet-media img { width: 100%; height: 100%; object-fit: cover; }
.sheet-close { position: absolute; top: 16px; right: 16px; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.92); color: var(--ink); display: grid; place-items: center; box-shadow: var(--shadow-md); }
.sheet-close:hover { background: #fff; }
.sheet-body { padding: 30px clamp(24px, 4vw, 40px) 48px; }
.sheet-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 22px; }
.sheet-block { margin-top: 24px; }
.sheet-block h4 { font-size: 13px; font-family: var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--red); margin-bottom: 8px; }
.sheet-fact { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--border-soft); font-size: 14.5px; }
.sheet-fact .k { color: var(--c-500); font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
.sheet-fact .v { font-weight: 600; text-align: right; }

/* ---- About / company ---- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 820px) { .value-grid { grid-template-columns: 1fr; } }
.value-card { padding: 30px 28px; border: 1px solid var(--border-soft); border-radius: var(--r-md); background: #fff; }
.value-card .ic { width: 48px; height: 48px; border-radius: var(--r-sm); background: var(--ink); color: #fff; display: grid; place-items: center; margin-bottom: 18px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.split-media { border-radius: var(--r-md); overflow: hidden; aspect-ratio: 4/3; }
.split-media img { width: 100%; height: 100%; object-fit: cover; }

/* ---- Legal pages (Impressum / Datenschutz) ---- */
.legal-body { max-width: 70ch; }
.legal-h2 { font-size: clamp(20px, 2.4vw, 26px); margin: 40px 0 12px; }
.legal-body > .legal-h2:first-child { margin-top: 0; }
.legal-h3 { font-size: 17px; margin: 26px 0 8px; }
.legal-h4 { font-size: 13px; font-family: var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--c-600); margin: 20px 0 6px; }
.legal-p { color: var(--c-700); font-size: 15.5px; line-height: 1.7; margin-bottom: 12px; }
.legal-lines { color: var(--text); }
.legal-link { color: var(--red); border-bottom: 1px solid var(--red); word-break: break-all; }
.legal-link:hover { color: var(--red-600); }
.legal-note { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--border-soft); font-size: 13.5px; color: var(--c-500); font-family: var(--font-mono); }

/* ---- Karriere / jobs ---- */
.job-list { display: flex; flex-direction: column; gap: 14px; }
.job { border: 1px solid var(--border-soft); border-radius: var(--r-md); background: #fff; overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.job.open { border-color: var(--c-300); box-shadow: var(--shadow-md); }
.job-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; width: 100%; text-align: left; padding: 24px 26px; }
.job-head:hover { background: var(--c-50); }
.job-meta { display: block; margin-bottom: 8px; color: var(--red); }
.job-chev { color: var(--c-400); flex: 0 0 auto; margin-top: 6px; transition: transform .3s; }
.job.open .job-chev { transform: rotate(180deg); color: var(--red); }
.job-body { overflow: hidden; transition: max-height .4s cubic-bezier(.16,1,.3,1); }
.job-body > * { margin-inline: 26px; }
.job-body > .job-cols { padding-top: 6px; }
.job-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; padding-bottom: 4px; }
@media (max-width: 640px) { .job-cols { grid-template-columns: 1fr; gap: 18px; } }
.job-col-h { font-size: 13px; font-family: var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--c-600); margin-bottom: 12px; }
.job-body .btn { margin-bottom: 28px; }