/* Koeck Engineering – Website */
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/space-grotesk-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 500; font-display: swap; src: url('fonts/space-grotesk-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/space-grotesk-latin-700-normal.woff2') format('woff2'); }

:root {
  --blue: #1F68BC; --blue-dark: #154e8f; --ink: #0C1723; --muted: #6E7277;
  --bg: #F9FAFC; --line: #E7EAED; --soft: #EEF1F3; --navy-2: #12202E; --navy-line: #1B2A38;
  --pad: 64px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font-family: 'Space Grotesk', system-ui, sans-serif; background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }
::selection { background: var(--blue); color: #fff; }
.wrap { max-width: 1440px; margin: 0 auto; }

.btn-primary { background: var(--blue); color: #fff; border: none; padding: 14px 28px; border-radius: 6px; font: inherit; font-weight: 500; font-size: 16px; cursor: pointer; display: inline-block; }
.btn-primary:hover { background: var(--blue-dark); color: #fff; }
.btn-secondary { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); padding: 12.5px 26.5px; border-radius: 6px; font: inherit; font-weight: 500; font-size: 16px; cursor: pointer; display: inline-block; }
.btn-secondary:hover { background: var(--ink); color: #fff; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 0.12em; color: var(--blue); }
.muted { color: var(--muted); }

/* NAV */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(249,250,252,0.92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; padding: 20px var(--pad); gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 19px; letter-spacing: -0.01em; color: var(--ink); white-space: nowrap; }
.brand img { width: 34px; height: 34px; }
.brand b { font-weight: 700; } .brand span { color: var(--blue); font-weight: 500; }
.nav-right { display: flex; align-items: center; gap: 40px; }
.nav-links { display: flex; gap: 32px; }
.navlink { font-size: 15px; font-weight: 500; color: var(--ink); }
.lang { display: flex; align-items: center; gap: 2px; background: var(--soft); border-radius: 20px; padding: 3px; }
.lang button { background: none; border: none; font: inherit; font-weight: 500; font-size: 14px; cursor: pointer; padding: 7px 16px; border-radius: 20px; color: var(--muted); }
.lang button[aria-pressed="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(12,23,35,0.12); }
.nav-cta { padding: 10px 22px; font-size: 14px; }

/* HERO */
.hero { position: relative; overflow: hidden; }
.hero .wrap { position: relative; padding: 120px var(--pad) 100px; display: flex; flex-direction: column; align-items: flex-start; gap: 28px; }
.hero-mark { position: absolute; right: -80px; top: -60px; width: 420px; height: 420px; opacity: 0.05; pointer-events: none; }
.hero .eyebrow { font-size: 14px; letter-spacing: 0.14em; }
.hero h1 { font-size: 56px; line-height: 1.08; font-weight: 700; max-width: 820px; margin: 0; }
.hero p { font-size: 19px; line-height: 1.6; max-width: 600px; margin: 0; }
.hero-cta { display: flex; gap: 16px; margin-top: 8px; flex-wrap: wrap; }

/* SECTIONS */
section { position: relative; }
.sec { padding: 100px var(--pad); }
.white { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { max-width: 560px; margin-bottom: 56px; display: flex; flex-direction: column; gap: 12px; }
.sec-head h2 { font-size: 36px; font-weight: 700; margin: 0; }
.sec-head p { font-size: 17px; margin: 0; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.card { display: flex; flex-direction: column; gap: 20px; padding: 36px 32px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.card img { width: 48px; height: 48px; }
.card h3 { font-size: 20px; font-weight: 700; margin: 0; }
.card .tag { font-size: 13px; font-weight: 500; color: var(--blue); margin: 6px 0 14px; }
.card p { font-size: 15px; line-height: 1.6; margin: 0; }

.teaser { padding: 72px var(--pad); display: flex; align-items: center; gap: 40px; max-width: 1000px; margin: 0 auto; }
.teaser img { width: 64px; height: 64px; flex: none; }
.teaser .badge { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; letter-spacing: 0.1em; color: var(--blue); }
.teaser .badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }
.teaser h3 { font-size: 22px; font-weight: 700; margin: 10px 0; }
.teaser p { font-size: 15px; line-height: 1.6; margin: 0; max-width: 720px; }

.about { display: flex; gap: 80px; align-items: center; }
.about img { flex: 0 0 380px; width: 380px; height: 460px; border-radius: 12px; object-fit: cover; object-position: center 20%; }
.about-text { flex: 1; display: flex; flex-direction: column; gap: 20px; }
.about-text h2 { font-size: 34px; font-weight: 700; margin: 0; }
.about-text p { font-size: 17px; line-height: 1.7; max-width: 520px; margin: 0; }

.industries { padding-top: 80px; border-bottom: 0; }
.industries .sec-head { margin-bottom: 36px; }
.industries .sec-head h2 { font-size: 30px; }
.chips { display: flex; flex-wrap: wrap; gap: 12px; list-style: none; padding: 0; margin: 0; }
.chips li { padding: 10px 18px; border: 1.5px solid var(--line); border-radius: 24px; font-size: 14px; font-weight: 500; }

/* KONTAKT */
.contact { background: var(--ink); color: #fff; }
.contact .wrap { padding: 100px var(--pad); display: flex; gap: 80px; }
.contact-info { flex: 1; display: flex; flex-direction: column; gap: 28px; }
.contact-info h2 { font-size: 34px; font-weight: 700; margin: 0; }
.contact-lines { display: flex; flex-direction: column; gap: 14px; font-size: 15px; color: #C7CDD2; font-style: normal; }
.contact-lines a { color: #fff; }
.contact-form { flex: 1; display: flex; flex-direction: column; gap: 16px; background: var(--navy-2); padding: 36px; border-radius: 12px; }
.field { font: inherit; font-size: 15px; border: 1.5px solid #28394A; border-radius: 6px; padding: 12px 14px; background: var(--ink); color: #fff; width: 100%; }
.field::placeholder { color: #8B96A1; }
.field:focus { outline: none; border-color: var(--blue); }
.contact-form .btn-primary { align-self: flex-start; }
.form-note { font-size: 12px; color: #8B96A1; margin: 0; }
.form-note a { color: #C7CDD2; text-decoration: underline; }

/* FOOTER */
.footer { background: var(--ink); color: #8B96A1; font-size: 13px; border-top: 1px solid var(--navy-line); }
.footer .wrap { padding: 32px var(--pad); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer .brandmini { display: flex; align-items: center; gap: 10px; }
.footer img { width: 20px; height: 20px; }
.footer nav { display: flex; gap: 24px; }
.footer a { color: #8B96A1; } .footer a:hover { color: #fff; }

/* LEGAL PAGES */
.legal { max-width: 820px; margin: 0 auto; padding: 80px var(--pad) 100px; }
.legal h1 { font-size: 40px; margin: 12px 0 32px; }
.legal h2 { font-size: 20px; margin: 36px 0 10px; }
.legal p, .legal li { font-size: 16px; line-height: 1.7; color: #33404C; }
.legal dl { display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; font-size: 16px; line-height: 1.6; }
.legal dt { font-weight: 500; } .legal dd { margin: 0; color: #33404C; }

/* LANGUAGE */
[data-lang-only] { display: none; }
html[lang="de"] [data-lang-only="de"], html[lang="en"] [data-lang-only="en"] { display: revert; }

/* RESPONSIVE */
@media (max-width: 1100px) {
  :root { --pad: 40px; }
  .nav-links { display: none; }
  .nav-right { gap: 16px; }
  .cards { grid-template-columns: 1fr; gap: 20px; }
  .about { gap: 48px; }
  .about img { flex-basis: 300px; width: 300px; height: 380px; }
  .contact .wrap { gap: 48px; }
}
@media (max-width: 760px) {
  :root { --pad: 20px; }
  html { scroll-padding-top: 72px; }
  .nav .wrap { padding-top: 14px; padding-bottom: 14px; }
  .brand { font-size: 16px; } .brand img { width: 28px; height: 28px; }
  .nav-cta { display: none; }
  .hero .wrap { padding-top: 64px; padding-bottom: 56px; gap: 20px; }
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 17px; }
  .hero-mark { width: 260px; height: 260px; right: -60px; top: -40px; }
  .sec { padding-top: 64px; padding-bottom: 64px; }
  .sec-head { margin-bottom: 32px; }
  .sec-head h2 { font-size: 28px; }
  .card { padding: 28px 24px; }
  .teaser { flex-direction: column; align-items: flex-start; gap: 20px; padding-top: 56px; padding-bottom: 56px; }
  .about { flex-direction: column; align-items: stretch; gap: 32px; }
  .about img { flex-basis: auto; width: 100%; height: auto; aspect-ratio: 4 / 5; max-width: 420px; }
  .about-text h2, .contact-info h2 { font-size: 28px; }
  .contact .wrap { flex-direction: column; padding-top: 64px; padding-bottom: 64px; gap: 36px; }
  .contact-form { padding: 24px; }
  .legal { padding-top: 48px; }
  .legal h1 { font-size: 30px; }
  .legal dl { grid-template-columns: 1fr; gap: 2px; } .legal dd { margin-bottom: 10px; }
}
.todo { background: #FFF3C4; outline: 1px dashed #C9A82D; padding: 0 4px; border-radius: 3px; }
.backlink { font-size: 14px; font-weight: 500; }
.form-status { margin: 0; font-size: 14px; line-height: 1.5; padding: 10px 12px; border-radius: 6px; }
.form-status.is-ok { background: rgba(85,170,110,0.15); color: #BFE8C9; }
.form-status.is-error { background: rgba(220,90,90,0.15); color: #F3C1C1; }
.contact-form { position: relative; }
.contact-form button:disabled { opacity: 0.6; cursor: wait; }