/* 3eck GmbH — technische One-Page. Markengrün #7DC61D aus dem Logo. */

:root {
  color-scheme: light dark;

  --brand:      #7DC61D;   /* Logo-Grün */
  --brand-deep: #4f8a0c;   /* für Text auf hellem Grund (Kontrast) */
  --brand-glow: #7dc61d33;

  --bg:      #f3f5f0;
  --surface: #ffffff;
  --surface-2:#f8faf5;
  --ink:     #15191c;
  --muted:   #586066;
  --line:    #dee3d8;
  --line-strong:#c9d0bf;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;

  --wrap: 1080px;
  --radius: 3px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand-deep: #9ad63f;
    --bg:      #101316;
    --surface: #171b1f;
    --surface-2:#1c2126;
    --ink:     #e9ece7;
    --muted:   #98a19d;
    --line:    #262c30;
    --line-strong:#333b40;
  }
}
:root[data-theme="light"] {
  --brand-deep:#4f8a0c; --bg:#f3f5f0; --surface:#fff; --surface-2:#f8faf5;
  --ink:#15191c; --muted:#586066; --line:#dee3d8; --line-strong:#c9d0bf;
}
:root[data-theme="dark"] {
  --brand-deep:#9ad63f; --bg:#101316; --surface:#171b1f; --surface-2:#1c2126;
  --ink:#e9ece7; --muted:#98a19d; --line:#262c30; --line-strong:#333b40;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 24px; }

/* --- Monospace-Labels wie Zeichnungs-Beschriftung --- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brand-deep);
  margin: 0;
}

a { color: inherit; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brand-deep); outline-offset: 3px; border-radius: 2px;
}

/* --- Kopfzeile --- */
.site-head {
  position: sticky; top: 0; z-index: 20;
  background: #0a0d10;
  border-bottom: 1px solid rgba(255,255,255,.09);
}
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { display: block; height: 50px; width: auto; }
.nav { display: flex; gap: 28px; }
.nav a { font-size: .9rem; text-decoration: none; color: #b9c1b7; transition: color .15s; }
.nav a:hover { color: #fff; }
@media (max-width: 720px) { .nav { display: none; } }

/* --- Hero (dunkles Vollbild, in beiden Themes) --- */
.hero { position: relative; overflow: hidden; background: #0b0e11; color: #eef1ec; border-bottom: 1px solid var(--line); }
.hero-bg { position: absolute; inset: 0; background: url("img/hero.webp") center/cover no-repeat; }
.hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(9,11,13,.94) 0%, rgba(9,11,13,.8) 40%, rgba(9,11,13,.32) 72%, rgba(9,11,13,.1) 100%);
}
@media (max-width: 860px) { .hero-scrim { background: linear-gradient(180deg, rgba(9,11,13,.66) 0%, rgba(9,11,13,.9) 62%, rgba(9,11,13,.96) 100%); } }
.hero .wrap { position: relative; padding-block: clamp(64px, 10vw, 120px); }
.hero-grid { display: grid; grid-template-columns: 1.35fr .9fr; gap: 48px; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; gap: 32px; } }

.hero .eyebrow { color: var(--brand); }
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.06; letter-spacing: -.025em; font-weight: 800;
  text-wrap: balance; margin: 16px 0 0; color: #f4f7f1;
}
.hero h1 .accent { color: var(--brand); }
.hero p.lead { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: #c4cbc0; max-width: 46ch; margin: 20px 0 0; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: .82rem; letter-spacing: .04em;
  text-decoration: none; padding: 12px 20px; border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.22); color: #eef1ec; background: rgba(255,255,255,.06);
  transition: transform .12s, border-color .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--brand); }
.btn.primary { background: var(--brand); color: #10230a; border-color: var(--brand); font-weight: 700; }
.btn.primary:hover { background: color-mix(in srgb, var(--brand) 88%, #000); }

/* Eckdaten-Karte im Hero (dunkles Glas) */
.hero-card {
  border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius);
  background: rgba(18,22,20,.55); backdrop-filter: blur(9px); padding: 22px;
}
.hero-card .k { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: #9aa39a; }
.spec { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 12px 0; border-bottom: 1px dashed rgba(255,255,255,.14); }
.spec:last-child { border-bottom: 0; }
.spec .lbl { font-size: .9rem; color: #aab2a7; }
.spec .val { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; font-size: .96rem; color: #eef1ec; }
.spec .val em { color: var(--brand); font-style: normal; }

/* --- Abschnitte --- */
.section { padding-block: clamp(52px, 8vw, 88px); border-bottom: 1px solid var(--line); }
.section-head { max-width: 60ch; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -.02em; margin: 12px 0 0; text-wrap: balance; }
.section-head p { color: var(--muted); margin: 12px 0 0; }

/* Leistungs-Zusicherungen */
.pledges { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (max-width: 760px) { .pledges { grid-template-columns: repeat(2, 1fr); } }
.pledge { background: var(--surface); padding: 20px 18px; }
.pledge .n { font-family: var(--font-mono); font-size: .7rem; color: var(--brand-deep); }
.pledge h3 { font-size: 1rem; margin: 8px 0 0; letter-spacing: -.01em; }

/* Bild-Rahmen (technisch, mit grünem Eck-Tick) */
.shot { position: relative; margin: 0 0 40px; border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; background: #0b0e11; }
.shot img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.shot::before { content: ""; position: absolute; left: 0; top: 0; width: 3px; height: 34px; background: var(--brand); z-index: 1; }
.shot::after  { content: ""; position: absolute; left: 0; top: 0; width: 34px; height: 3px; background: var(--brand); z-index: 1; }

/* Zusammenarbeit: Bild neben den Punkten */
.collab { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: center; }
@media (max-width: 760px) { .collab { grid-template-columns: 1fr; gap: 28px; } }
.collab .shot { margin: 0; }
.collab .flow { grid-template-columns: 1fr; gap: 22px; }

/* Zwei-Spalten Listen (Werkzeuge / Produkte) */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; gap: 28px; } }
.col h3 { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin: 0 0 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.taglist { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.taglist li { font-size: .88rem; padding: 6px 11px; border: 1px solid var(--line-strong); border-radius: 40px; background: var(--surface); }
.col .foot { font-family: var(--font-mono); font-size: .8rem; color: var(--brand-deep); margin-top: 16px; }

/* Branchen */
.branchen { display: flex; flex-wrap: wrap; gap: 12px; }
.branche { flex: 1 1 180px; border: 1px solid var(--line); border-left: 3px solid var(--brand); border-radius: var(--radius); background: var(--surface); padding: 18px 20px; }
.branche b { display: block; font-size: 1.05rem; }
.branche span { font-size: .86rem; color: var(--muted); }

/* Zusammenarbeit */
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 760px) { .flow { grid-template-columns: 1fr; } }
.flow .item .k { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--brand-deep); }
.flow .item p { margin: 8px 0 0; color: var(--muted); font-size: .94rem; }
.flow .item strong { color: var(--ink); font-weight: 600; }

/* Kontakt */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 760px) { .contact { grid-template-columns: 1fr; gap: 28px; } }
.contact-card { border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--surface); padding: 26px; }
.contact-card h3 { margin: 0 0 4px; font-size: 1.1rem; }
.contact-card .role { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.contact-card dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; margin: 18px 0 0; }
.contact-card dt { font-family: var(--font-mono); font-size: .74rem; color: var(--muted); }
.contact-card dd { margin: 0; font-variant-numeric: tabular-nums; }
.contact-card dd a { text-decoration: none; color: var(--brand-deep); font-weight: 600; }

/* Kontakt: Formular + Info nebeneinander */
.kontakt-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
@media (max-width: 760px) { .kontakt-grid { grid-template-columns: 1fr; gap: 28px; } }
.kontakt-info { display: flex; flex-direction: column; gap: 20px; }

.kontaktform { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.field input, .field textarea {
  font-family: inherit; font-size: .98rem; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 11px 13px; width: 100%;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--brand-deep); outline-offset: 1px; border-color: var(--brand); }
.field textarea { resize: vertical; min-height: 120px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .86rem; color: var(--muted); line-height: 1.5; }
.consent input { margin-top: 3px; flex: 0 0 auto; }
.consent a { color: var(--brand-deep); }
.kontaktform .btn.primary { align-self: flex-start; margin-top: 4px; }
.form-status { font-size: .9rem; color: var(--brand-deep); min-height: 1.2em; margin: 2px 0 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* --- Fuß --- */
.site-foot { padding-block: 34px; }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
.site-foot .legal { display: flex; gap: 20px; }
.site-foot a { color: var(--muted); text-decoration: none; font-size: .86rem; }
.site-foot a:hover { color: var(--ink); }
.site-foot .cr { font-family: var(--font-mono); font-size: .74rem; color: var(--muted); }

/* --- Rechtstexte --- */
.legal-page { max-width: 74ch; }
.legal-page h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -.02em; }
.legal-page h2 { font-size: 1.15rem; margin-top: 36px; }
.legal-page p, .legal-page address { color: var(--ink); font-style: normal; }
.legal-page .muted { color: var(--muted); }
.legal-page a { color: var(--brand-deep); }
.note { border: 1px solid var(--brand); background: var(--brand-glow); border-radius: var(--radius); padding: 14px 18px; font-size: .9rem; }

.hero-fade { opacity: 0; transform: translateY(14px); animation: rise .7s cubic-bezier(.2,.7,.2,1) forwards; }
.hero-fade.d1 { animation-delay: .06s; }
.hero-fade.d2 { animation-delay: .14s; }
.hero-fade.d3 { animation-delay: .22s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .hero-fade { animation: none; opacity: 1; transform: none; } }