/* interlogic Website-Prototyp — systematisch, flach, ohne externe Assets */
:root {
  --cds-background: #ffffff;
  --cds-layer-01: #f4f4f4;
  --cds-layer-02: #e8e8e8;
  --cds-text-primary: #161616;
  --cds-text-secondary: #525252;
  --cds-border-subtle: #d6d6d6;
  --cds-interactive: #0f62fe;
  --cds-interactive-hover: #0043ce;
  --cds-dark: #161616;
  --cds-dark-layer: #262626;
  --cds-blue-tint: #edf5ff;
  --max-width: 1280px;
  --gutter: clamp(1rem, 4vw, 3rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4rem; }
body { margin: 0; background: var(--cds-background); color: var(--cds-text-primary); font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif; font-size: 1rem; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--cds-interactive); text-underline-offset: .2em; }
a:hover { color: var(--cds-interactive-hover); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--cds-interactive); outline-offset: 2px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-weight: 400; }
h1 { max-width: 15ch; font-size: clamp(2.4rem, 5vw, 4.6rem); line-height: 1.08; letter-spacing: -.025em; margin-bottom: 2rem; }
h2 { max-width: 20ch; font-size: clamp(2rem, 3.6vw, 3.25rem); line-height: 1.12; letter-spacing: -.018em; margin-bottom: 1.5rem; }
h3 { font-size: 1.25rem; line-height: 1.35; }
small { display: block; }
.container { width: min(100%, var(--max-width)); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(4rem, 8vw, 7rem); }
.band-white { background: #fff; }
.band-gray { background: var(--cds-layer-01); }
.band-dark { background: var(--cds-dark); color: #fff; }
.band-blue-tint { background: var(--cds-blue-tint); }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: #fff; color: #000; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 20; background: var(--cds-dark); color: #fff; border-bottom: 1px solid #393939; }
.header-inner { width: min(100%, var(--max-width)); height: 4rem; margin-inline: auto; padding-inline: var(--gutter); display: flex; align-items: stretch; justify-content: space-between; }
.brand { display: inline-flex; gap: .65rem; align-items: center; color: #fff; text-decoration: none; font-size: 1.1rem; letter-spacing: .02em; }
.brand:hover { color: #fff; }
.brand-mark { display: inline-grid; place-items: center; width: 2rem; height: 2rem; background: var(--cds-interactive); color: #fff; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-weight: 600; }
.site-nav { display: flex; align-items: stretch; }
.site-nav a { display: flex; align-items: center; min-height: 3rem; padding-inline: 1rem; color: #c6c6c6; text-decoration: none; font-size: .875rem; }
.site-nav a:hover { color: #fff; background: #262626; }
.site-nav .language-link { border-left: 1px solid #393939; margin-left: .5rem; color: #fff; }
.menu-toggle { display: none; border: 0; background: transparent; color: #fff; font: inherit; min-width: 4rem; }
.menu-icon { position: relative; width: 1.25rem; height: 2px; background: currentColor; margin-left: .6rem; }
.menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; width: 1.25rem; height: 2px; background: currentColor; }
.menu-icon::before { top: -.4rem; }
.menu-icon::after { top: .4rem; }

.intro { padding-block: clamp(4rem, 9vw, 8rem); }
.intro-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(19rem, .85fr); gap: clamp(3rem, 8vw, 8rem); align-items: end; }
.eyebrow, .detail-label, .system-label, .project-type { margin-bottom: 1.25rem; color: var(--cds-text-secondary); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .75rem; line-height: 1.3; letter-spacing: .08em; }
.lead { max-width: 48rem; color: var(--cds-text-secondary); font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.5; }
.actions { display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: center; margin-top: 2.5rem; }
.button { min-height: 3rem; display: inline-flex; align-items: center; justify-content: space-between; gap: 2.5rem; padding: .75rem 1rem; text-decoration: none; }
.button-primary { min-width: 15rem; background: var(--cds-interactive); color: #fff; }
.button-primary:hover { background: var(--cds-interactive-hover); color: #fff; }
.text-link { min-height: 3rem; display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; }
.system-view { min-width: 0; align-self: start; }
.hero-logo { min-height: clamp(10rem, 18vw, 14rem); display: grid; place-items: start center; padding: 0 1rem 2rem; }
.hero-logo img { display: block; width: min(100%, 24rem); height: auto; }
.system-label { margin: 0 0 1.5rem; padding-top: .75rem; border-top: 1px solid var(--cds-text-primary); }
.system-view ol { list-style: none; padding: 0; margin: 0; }
.system-view li { position: relative; display: grid; grid-template-columns: 2.5rem 1fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--cds-border-subtle); }
.system-view li:first-child { border-top: 0; }
.system-view li:not(:last-child)::after { content: "↓"; position: absolute; left: .65rem; bottom: -.65rem; z-index: 1; background: #fff; color: var(--cds-text-secondary); padding-inline: .15rem; }
.system-view .node { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; color: var(--cds-text-secondary); }
.system-view strong { display: block; font-weight: 600; }
.system-view small { color: var(--cds-text-secondary); margin-top: .25rem; }
.system-view .is-result { margin-top: .5rem; padding: 1rem; background: var(--cds-blue-tint); border: 0; }
.system-view .is-result .node { color: var(--cds-interactive); }

.fact-band { background: var(--cds-interactive); color: #fff; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); padding-inline: var(--gutter); }
.facts div { min-height: 8rem; padding: 1.5rem 1.5rem 1.5rem 0; border-right: 1px solid rgba(255,255,255,.35); }
.facts div + div { padding-left: 1.5rem; }
.facts div:last-child { border-right: 0; }
.facts strong { display: block; margin-bottom: .4rem; font-size: 1.1rem; font-weight: 600; }
.facts span { display: block; max-width: 17rem; opacity: .9; font-size: .9rem; }

.section-heading { max-width: 50rem; margin-bottom: clamp(3rem, 6vw, 5rem); }
.section-heading > p:not(.eyebrow) { max-width: 43rem; color: var(--cds-text-secondary); font-size: 1.125rem; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--cds-border-subtle); border: 1px solid var(--cds-border-subtle); }
.service { min-height: 18rem; background: #fff; padding: 1.5rem; }
.service-number { display: block; margin-bottom: 3.5rem; color: var(--cds-interactive); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .8rem; }
.service h3 { min-height: 3.4rem; font-weight: 600; }
.service p { color: var(--cds-text-secondary); font-size: .95rem; }

.process-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.sticky-heading { position: sticky; top: 7rem; margin-bottom: 0; }
.process-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--cds-text-primary); }
.process-list li { display: grid; grid-template-columns: 4rem 1fr; gap: 1rem; padding: 2rem 0; border-bottom: 1px solid var(--cds-border-subtle); }
.process-list > li > span { color: var(--cds-interactive); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .8rem; }
.process-list h3 { margin-bottom: .75rem; font-weight: 600; }
.process-list p { color: var(--cds-text-secondary); }


.section-heading-light .eyebrow, .band-dark .project-type { color: #a8a8a8; }
.project-table { border-top: 1px solid #6f6f6f; }
.project-table article { display: grid; grid-template-columns: .8fr 1.35fr 2.7fr; gap: 1.5rem; padding: 1.6rem 0; border-bottom: 1px solid #393939; align-items: start; }
.project-table h3 { margin: 0; color: #fff; }
.project-table article > p:not(.project-type) { color: #c6c6c6; }


.pilot-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.pilot-layout p { max-width: 40rem; }
.pilot-layout .button { margin-top: 1.5rem; }

.company-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(3rem, 8vw, 8rem); }
.company-grid .section-heading { margin: 0; }
.company-details { border-top: 1px solid var(--cds-text-primary); }
.company-details > div { display: grid; grid-template-columns: .7fr 1fr; gap: 1rem; padding: 1.5rem 0; border-bottom: 1px solid var(--cds-border-subtle); }
.company-details p { margin-bottom: 0; }
.company-details .detail-label { color: var(--cds-text-secondary); }
.archive-year { color: var(--cds-text-secondary); white-space: nowrap; }
.reference-band { padding-block: 2.5rem; background: var(--cds-layer-01); border-block: 1px solid var(--cds-border-subtle); }
.reference-band h2 { max-width: none; margin-bottom: 1.25rem; font-size: clamp(1.5rem, 2.4vw, 2rem); }
.reference-groups { display: grid; grid-template-columns: 1.15fr .85fr; gap: 2rem; }
.reference-groups h3 { margin-bottom: .75rem; color: var(--cds-text-secondary); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .75rem; font-weight: 400; letter-spacing: .08em; text-transform: uppercase; }
.reference-list { display: flex; flex-wrap: wrap; gap: 1px; background: var(--cds-border-subtle); border: 1px solid var(--cds-border-subtle); }
.reference-list span { flex: 1 1 9rem; padding: 1rem; background: #fff; text-align: center; font-weight: 600; }

.contact-section { background: var(--cds-interactive); color: #fff; }
.contact-section .eyebrow { color: #d0e2ff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8rem); }
.contact-data { max-width: 35rem; }
.contact-person { display: flex; flex-direction: column; margin-top: 2rem; }
.contact-person span, .contact-person small, .contact-channel small { color: #d0e2ff; font-size: .75rem; letter-spacing: .05em; text-transform: uppercase; }
.contact-person strong { margin-top: .35rem; font-size: 1.125rem; }
.contact-person small { margin-top: .2rem; }
.contact-channels { margin: 1.5rem 0 1rem; border-top: 1px solid rgba(255,255,255,.45); }
.contact-channel { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.45); color: #fff; text-decoration: none; font-size: clamp(1.15rem, 2.6vw, 1.65rem); }
.contact-channel > span:first-child { display: flex; flex-direction: column; min-width: 0; overflow-wrap: anywhere; }
.contact-channel small { margin-bottom: .25rem; }
.contact-channel:hover { color: #fff; border-color: #fff; }
.contact-general { margin: 1.25rem 0 2rem; font-size: .9rem; }
.contact-general a { color: #fff; }
address { font-style: normal; }
.site-footer { background: var(--cds-dark); color: #c6c6c6; padding-block: 3rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .6fr; gap: 3rem; }
.brand-footer { margin-bottom: 1rem; }
.footer-grid > div > p { max-width: 30rem; }
.footer-grid nav { display: flex; flex-direction: column; align-items: flex-start; gap: .7rem; }
.footer-grid nav a { color: #c6c6c6; }
.copyright { grid-column: 1 / -1; margin: 2rem 0 0; padding-top: 1.5rem; border-top: 1px solid #393939; font-size: .8rem; }

.legal-main { min-height: 65vh; }
.legal-header { padding-block: 4rem 2rem; border-bottom: 1px solid var(--cds-border-subtle); }
.legal-body { max-width: 52rem; padding-block: 3rem 5rem; }
.legal-body h2 { margin-top: 2.5rem; font-size: 1.5rem; }
.legal-body h3 { margin-top: 2rem; font-weight: 600; }
.legal-body p, .legal-body li { color: var(--cds-text-secondary); }
.legal-note { padding: 1rem; border-left: 4px solid #f1c21b; background: #fff8e1; color: var(--cds-text-primary) !important; }

@media (max-width: 1120px) {
  .menu-toggle { display: flex; align-items: center; }
  .site-nav { display: none; position: absolute; top: 4rem; left: 0; right: 0; background: var(--cds-dark); border-top: 1px solid #393939; flex-direction: column; padding: .5rem var(--gutter) 1rem; }
  .site-nav.is-open { display: flex; }
  .site-nav a { min-height: 3rem; border-bottom: 1px solid #393939; }
  .site-nav .language-link { margin-left: 0; border-left: 0; }
  .intro-grid { grid-template-columns: 1fr; }
  .system-view { max-width: 42rem; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }

  .project-table article { grid-template-columns: .6fr 1.2fr 1.5fr; }
  .project-output { grid-column: 2 / -1; }
}

@media (max-width: 671px) {
  html { scroll-padding-top: 3.5rem; }
  .header-inner { height: 3.5rem; }
  .site-nav { top: 3.5rem; }
  h1 { font-size: 2.75rem; }
  .section { padding-block: 4rem; }
  .intro { padding-block: 4rem; }
  .facts, .service-grid, .process-layout, .pilot-layout, .company-grid, .reference-groups, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .facts div { min-height: 0; padding: 1.25rem 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.35); }
  .facts div + div { padding-left: 0; }
  .facts div:last-child { border-bottom: 0; }
  .service { min-height: 0; }
  .service-number { margin-bottom: 2rem; }
  .service h3 { min-height: 0; }
  .sticky-heading { position: static; margin-bottom: 3rem; }
  .project-table article { grid-template-columns: 1fr; gap: .75rem; }
  .project-output { grid-column: auto; }
  .company-details > div { grid-template-columns: 1fr; }
  .contact-mail { overflow-wrap: anywhere; }
  .footer-grid nav { margin-top: -1rem; }
  .copyright { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }