:root {
  --white: #FFFFFF;
  --panel: #F0EEEA;
  --ink: #000000;
  --muted: #666666;
  --line: #000000;
  --line-soft: rgba(0, 0, 0, 0.15);
  --red: #D93A2C;
  --red-dark: #B33024;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 96px; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: "Archivo", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
::selection { background: var(--ink); color: var(--white); }

.container { max-width: 1240px; margin: 0 auto; padding: 0 48px; }
.mono {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
}
.section-label {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
  margin: 0 0 40px;
}
.h2 {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: clamp(36px, 4.4vw, 56px);
  line-height: 1;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  margin: 0 0 40px;
  text-wrap: balance;
  color: var(--ink);
}
.heading-accent { color: var(--red); }

/* NAV */
nav.top {
  position: sticky; top: 0; z-index: 40;
  background: var(--white);
  border-bottom: 2px solid var(--ink);
}
nav.top .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px;
  gap: 24px;
}
.wordmark {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
}
.nav-links { display: flex; align-items: center; gap: 36px; margin-left: auto; }
.nav-links a.nav-link {
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 1.5px;
  color: var(--ink);
}
.btn-nav {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 15px 26px;
  border-radius: 0;
  transition: background 0.15s;
  white-space: nowrap;
}
.btn-nav:hover { background: var(--red-dark); }

/* HERO */
section.hero {
  --hero-parallax-y: 0px;
  --hero-opacity: 1;
  background: var(--white);
  position: relative;
  overflow: hidden;
}

@media (min-width: 901px) {
  section.hero {
    height: calc(100dvh - 84px);
    min-height: 620px;
    padding: 0;
  }

  section.hero > .container {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transform: translate3d(0, var(--scroll-fx-y, var(--hero-parallax-y)), 0);
    opacity: var(--scroll-fx-opacity, var(--hero-opacity));
    will-change: transform, opacity;
    transition: transform 0.04s linear, opacity 0.04s linear;
  }
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 320px));
  gap: 48px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: clamp(14px, 2vh, 20px);
  border-bottom: 2px solid var(--ink);
  margin-bottom: clamp(28px, 5vh, 52px);
}
.hero-meta strong { display: inline; font-weight: 500; color: var(--ink); margin-right: 12px; }
.hero-meta > div { line-height: 1.5; }

.hero-h1 {
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  font-size: clamp(48px, min(6.8vw, 10vh), 96px);
  line-height: 0.94;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  margin: 0 0 clamp(20px, 3vh, 28px);
  color: var(--ink);
  overflow-wrap: break-word;
  hyphens: auto;
}
.hero-h1 span.red { color: var(--red); }

.hero-lede {
  max-width: 640px;
  font-size: clamp(17px, 1.3vw, 19px);
  line-height: 1.45;
  color: var(--ink);
  margin: 0 0 clamp(20px, 3vh, 28px);
}

.hero-cta-row { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.btn-red-lg {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 20px 32px;
  border-radius: 0;
  transition: background 0.15s;
}
.btn-red-lg:hover { background: var(--red-dark); }

@media (min-width: 901px) and (max-height: 760px) {
  section.hero { min-height: 560px; }
  .hero-meta { margin-bottom: 24px; padding-bottom: 12px; }
  .hero-h1 {
    font-size: clamp(46px, min(6vw, 9vh), 82px);
    margin-bottom: 18px;
  }
  .hero-lede {
    font-size: 16px;
    line-height: 1.4;
    margin-bottom: 18px;
  }
  .btn-red-lg { padding: 16px 28px; }
}

/* Fade + Parallax — all page sections */
@media (min-width: 901px) {
  .scroll-fx > .container {
    transform: translate3d(0, var(--scroll-fx-y, 0px), 0);
    opacity: var(--scroll-fx-opacity, 1);
    will-change: transform, opacity;
    transition: opacity 0.08s linear;
  }
}

/* Sections */
section.block { padding: 128px 0; border-top: 2px solid var(--ink); }
section.block.panel { background: var(--panel); }

/* Problem list */
.problem-list { display: grid; gap: 0; border-top: 1px solid var(--line-soft); }
.problem-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: start;
}
.problem-item .num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--red);
  font-weight: 500;
  padding-top: 4px;
}
.problem-item p {
  margin: 0;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
  max-width: 900px;
}

/* Leistung */
.leistung-h {
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  font-size: clamp(44px, 6vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin: 0 0 48px;
  color: var(--ink);
  max-width: 1000px;
  text-wrap: balance;
}
.leistung-h span.red { color: var(--red); }
.leistung-body {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  max-width: 780px;
  margin: 0;
}
.leistung-body strong { font-weight: 700; color: var(--ink); }

/* Workflows */
.workflow-lede { font-size: 17px; line-height: 1.55; color: var(--ink); margin: 0 0 64px; max-width: 640px; }
.workflow-table { border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.workflow-header {
  display: grid;
  grid-template-columns: 60px 60px 1fr 1.2fr;
  gap: 24px;
  padding: 14px 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--ink);
  font-weight: 500;
}
.workflow-row {
  display: grid;
  grid-template-columns: 60px 60px 1fr 1.2fr;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: start;
}
.workflow-row:last-child { border-bottom: 0; }
.workflow-num {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--red);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.workflow-icon { color: var(--ink); }
.workflow-title {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0;
  padding-top: 6px;
}
.workflow-desc { font-size: 15px; line-height: 1.5; color: var(--ink); margin: 0; padding-top: 4px; }
.workflow-meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.7;
  padding-top: 6px;
}
.workflow-footer { padding-top: 32px; font-size: 15px; color: var(--ink); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 2px solid var(--ink); }
.step { position: relative; padding: 40px 64px 40px 0; }
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 0;
  right: 32px;
  bottom: 0;
  width: 1px;
  background: var(--line-soft);
}
.step:last-child { padding-right: 0; }
.step-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--red);
  font-weight: 500;
  margin: 0 0 20px;
  display: block;
}
.step-title {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 12px;
  line-height: 1.15;
}
.step-body { font-size: 17px; line-height: 1.55; color: var(--ink); margin: 0 0 20px; }
.step-duration {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* About */
.about-grid { display: grid; grid-template-columns: 320px 1fr; gap: 64px; align-items: start; }
.about-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  background: #E8E5E0;
  border: 1px solid var(--ink);
  display: flex; align-items: center; justify-content: center;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  padding: 20px;
  background-size: cover;
  background-position: center;
}
.about-h {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: clamp(36px, 4.4vw, 52px);
  line-height: 1;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  margin: 0 0 12px;
}
.about-role {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0 0 40px;
}
.about-body p { font-size: 17px; line-height: 1.6; color: var(--ink); margin: 0 0 20px; max-width: 640px; }
.credentials {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 2px solid var(--ink);
  display: grid;
  grid-template-columns: 160px 1fr;
  row-gap: 14px;
  column-gap: 24px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  max-width: 640px;
}
.credentials dt { color: var(--muted); font-weight: 400; margin: 0; }
.credentials dd { color: var(--ink); font-weight: 500; margin: 0; }

/* Final CTA */
section.final-cta {
  background: var(--ink);
  color: var(--white);
  padding: 160px 0;
  border-top: 2px solid var(--red);
}
.final-eyebrow {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 500;
  margin: 0 0 40px;
}
.final-h1 {
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  font-size: clamp(52px, 8vw, 112px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  color: var(--white);
  margin: 0 0 32px;
  text-wrap: balance;
  max-width: 1000px;
}
.final-h1 span.red { color: var(--red); }
.final-lede {
  font-size: 17px;
  color: var(--white);
  margin: 0 0 48px;
  max-width: 580px;
  line-height: 1.5;
  opacity: 0.85;
}
.final-alt {
  display: block;
  margin-top: 24px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.final-alt a { color: var(--white); text-decoration: underline; text-underline-offset: 4px; }

/* Footer */
footer {
  background: var(--ink);
  color: var(--muted);
  padding: 56px 0 32px;
  border-top: 1px solid #333;
}
footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid #333;
}
footer .footer-brand {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  margin: 0 0 8px;
}
footer p.tagline {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
footer .footer-col h4 {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 16px;
  font-weight: 500;
}
footer .footer-col a {
  display: block;
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 0;
  transition: color 0.15s;
}
footer .footer-col a:hover { color: var(--red); }
footer .copyright {
  padding-top: 24px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

/* Legal pages */
section.legal {
  padding: 96px 0 128px;
  background: var(--white);
}
section.legal .container { max-width: 800px; }
.legal-h1 {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin: 0 0 40px;
  color: var(--ink);
}
.legal-rule { border: 0; border-top: 2px solid var(--ink); margin: 0 0 48px; }
.legal-block { margin: 0 0 40px; }
.legal-block-label {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 500;
  margin: 0 0 14px;
}
.legal-block p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
}
.legal-block a { text-decoration: underline; text-underline-offset: 3px; }
.legal-footer-note {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Responsive — Tablet */
@media (max-width: 900px) {
  .container { padding: 0 24px; }
  section.hero { padding: 56px 0 80px; }
  section.block { padding: 72px 0; }
  section.final-cta { padding: 96px 0; }
  section.legal { padding: 56px 0 80px; }
  .hero-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin-bottom: 56px;
  }
  .hero-h1 { margin-bottom: 32px; }
  .hero-lede { margin-bottom: 32px; }
  .hero-cta-row { gap: 20px; }
  .btn-red-lg { padding: 18px 24px; font-size: 13px; }
  .nav-links { gap: 20px; }
  nav.top .container { flex-wrap: wrap; row-gap: 12px; padding: 14px 24px; }
  .problem-item { grid-template-columns: 48px 1fr; gap: 20px; }
  .problem-item p { font-size: 17px; }
  .workflow-header, .workflow-row { grid-template-columns: 40px 44px 1fr; gap: 16px; }
  .workflow-header > *:nth-child(n+4),
  .workflow-row > *:nth-child(n+4) { display: none; }
  .workflow-title { font-size: 16px; }
  .workflow-row .workflow-desc { font-size: 14px; }
  .steps { grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line-soft); }
  .step { border-bottom: 1px solid var(--line-soft); padding: 32px 0; }
  .step:not(:last-child)::after { display: none; }
  .step:last-child { border-bottom: 0; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-photo { max-width: 240px; }
  .credentials { grid-template-columns: 130px 1fr; font-size: 11px; }
  footer .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
  .legal-block p { font-size: 15px; }
}

/* Responsive — Mobile */
@media (max-width: 560px) {
  .container { padding: 0 20px; }
  nav.top .container { padding: 10px 20px; }
  .wordmark { font-size: 12px; }
  .nav-links { gap: 16px; }
  .nav-links a.nav-link { display: none; }
  .btn-nav { padding: 11px 16px; font-size: 11px; }
  section.hero { padding: 28px 0 48px; }
  section.block { padding: 56px 0; }
  section.final-cta { padding: 72px 0; }
  .hero-meta {
    grid-template-columns: 1fr;
    gap: 6px;
    margin-bottom: 28px;
    padding-bottom: 18px;
  }
  .hero-meta > div { line-height: 1.4; }
  .hero-h1 {
    font-size: clamp(34px, 10vw, 56px);
    line-height: 1.05;
    margin-bottom: 24px;
  }
  .hero-lede {
    font-size: 15px;
    line-height: 1.45;
    margin-bottom: 28px;
  }
  .hero-cta-row { flex-direction: column; align-items: flex-start; gap: 14px; }
  .btn-red-lg { width: 100%; text-align: center; padding: 16px 24px; font-size: 13px; box-sizing: border-box; }
  .h2 { font-size: 30px; margin-bottom: 32px; }
  .leistung-h { font-size: 38px; margin-bottom: 32px; }
  .about-h { font-size: 32px; }
  .final-h1 { font-size: 44px; }
  .problem-item { padding: 20px 0; gap: 16px; grid-template-columns: 40px 1fr; }
  .problem-item p { font-size: 16px; }
  .workflow-header, .workflow-row { grid-template-columns: 32px 40px 1fr; gap: 12px; padding: 24px 0; }
  .workflow-num { font-size: 18px; }
  .workflow-title { font-size: 15px; padding-top: 4px; }
  .credentials { grid-template-columns: 1fr; row-gap: 6px; }
  .credentials dd { margin-bottom: 10px; }
  .about-photo { max-width: 200px; }
  .legal-h1 { font-size: 36px; }
  .legal-block { margin-bottom: 32px; }
}