:root {
  --ink: #061524;
  --ink-2: #0b2238;
  --paper: #f2efe7;
  --paper-2: #e7e2d7;
  --blue: #1667ff;
  --blue-deep: #093b9e;
  --orange: #ff5b2e;
  --cyan: #a8f6ff;
  --line-dark: rgba(242, 239, 231, 0.18);
  --line-light: rgba(6, 21, 36, 0.18);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
  --display: "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Courier New", Courier, monospace;
  --header-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--sans);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
::selection { background: var(--orange); color: var(--paper); }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img, svg { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -70px;
  z-index: 9999;
  background: var(--paper);
  color: var(--ink);
  padding: 12px 16px;
  font-weight: 800;
  transition: top .2s ease;
}
.skip-link:focus { top: 16px; }

.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  background: var(--blue);
  color: var(--paper);
  transition: opacity .5s ease, visibility .5s ease;
}
.boot-screen.is-done { opacity: 0; visibility: hidden; }
.boot-mark {
  position: absolute;
  left: clamp(24px, 5vw, 80px);
  top: clamp(24px, 5vw, 80px);
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  background: var(--orange);
  color: var(--paper);
  font-family: var(--display);
  transform: rotate(-4deg);
}
.boot-copy {
  width: min(680px, calc(100vw - 48px));
  font: 700 clamp(12px, 1.4vw, 16px)/1 var(--mono);
  letter-spacing: .18em;
}
.boot-line {
  display: block;
  height: 4px;
  margin-top: 18px;
  background: rgba(255,255,255,.25);
  overflow: hidden;
}
.boot-line::after {
  content: "";
  display: block;
  width: 40%;
  height: 100%;
  background: var(--paper);
  animation: boot 1s ease-in-out infinite;
}
@keyframes boot { from { transform: translateX(-110%); } to { transform: translateX(360%); } }

.cursor, .cursor-label { pointer-events: none; position: fixed; z-index: 9998; }
.cursor {
  width: 28px;
  height: 28px;
  border: 1px solid var(--orange);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width .18s ease, height .18s ease, background .18s ease;
  mix-blend-mode: difference;
}
.cursor::before, .cursor::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  background: var(--orange);
  transform: translate(-50%, -50%);
}
.cursor::before { width: 40px; height: 1px; }
.cursor::after { width: 1px; height: 40px; }
.cursor.is-hover { width: 56px; height: 56px; background: rgba(255,255,255,.14); }
.cursor-label {
  font: 10px/1 var(--mono);
  color: var(--orange);
  transform: translate(18px, 18px);
  letter-spacing: .08em;
  mix-blend-mode: difference;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 64px);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(6, 21, 36, .78);
  backdrop-filter: blur(18px);
  transition: transform .25s ease, background .25s ease;
}
.site-header.is-hidden { transform: translateY(-100%); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-code {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: var(--orange);
  color: var(--paper);
  font: 900 14px/1 var(--display);
  transform: rotate(-3deg);
}
.brand-name { font: 900 15px/1 var(--display); letter-spacing: .08em; }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 38px); }
.site-nav a {
  position: relative;
  padding: 9px 0;
  text-decoration: none;
  font: 800 11px/1 var(--mono);
  letter-spacing: .16em;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: var(--orange);
  transition: right .25s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.menu-toggle {
  display: none;
  appearance: none;
  border: 0;
  color: var(--paper);
  background: transparent;
  font: 800 11px/1 var(--mono);
  letter-spacing: .15em;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.menu-icon, .menu-icon::before, .menu-icon::after {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
.menu-icon { position: relative; }
.menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
.menu-icon::before { top: -7px; }
.menu-icon::after { top: 7px; }
.menu-open .menu-icon { background: transparent; }
.menu-open .menu-icon::before { top: 0; transform: rotate(45deg); }
.menu-open .menu-icon::after { top: 0; transform: rotate(-45deg); }

.hero {
  position: relative;
  min-height: 100svh;
  padding: calc(var(--header-h) + clamp(34px, 5vw, 76px)) clamp(20px, 4vw, 64px) 42px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr);
  align-items: center;
  gap: clamp(36px, 5vw, 90px);
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 78%, rgba(255,91,46,.2), transparent 22%),
    radial-gradient(circle at 88% 20%, rgba(22,103,255,.22), transparent 28%),
    var(--ink);
}
.hero-grid, .fundament-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(242,239,231,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242,239,231,.055) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, #000 0%, #000 88%, transparent 100%);
}
.hero-axis { position: absolute; pointer-events: none; opacity: .4; }
.hero-axis-x { left: 0; right: 0; top: 56%; border-top: 1px dashed rgba(168,246,255,.3); }
.hero-axis-y { top: var(--header-h); bottom: 0; left: 50%; border-left: 1px dashed rgba(168,246,255,.3); }
.hero-copy, .hero-visual { position: relative; z-index: 2; }
.eyebrow {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-dark);
  font: 700 10px/1.2 var(--mono);
  letter-spacing: .12em;
  color: var(--cyan);
}
.hero-title {
  margin: clamp(30px, 5vw, 64px) 0 24px;
  max-width: 760px;
  font-family: var(--display);
  font-size: clamp(66px, 10.4vw, 176px);
  line-height: .67;
  letter-spacing: -.085em;
  text-transform: uppercase;
}
.title-line { display: block; white-space: nowrap; }
.title-line-top { transform: skewX(-8deg); }
.title-line-bottom {
  margin-left: clamp(30px, 6vw, 86px);
  color: transparent;
  -webkit-text-stroke: 2px var(--paper);
  transform: skewX(7deg);
}
.title-line-bottom i {
  display: inline-block;
  color: var(--orange);
  -webkit-text-stroke: 0;
  font-style: normal;
  transform: rotate(-7deg) translateY(-.04em);
}
.hero-statement {
  margin: 0 0 18px;
  font-size: clamp(24px, 2.5vw, 40px);
  line-height: 1.05;
  font-weight: 400;
  letter-spacing: -.035em;
}
.hero-statement strong { color: var(--orange); font-weight: 900; }
.hero-text {
  max-width: 640px;
  margin: 0;
  color: rgba(242,239,231,.72);
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.65;
}
.hero-actions, .fundament-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn {
  min-height: 50px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  text-decoration: none;
  border: 1px solid currentColor;
  font: 900 11px/1 var(--mono);
  letter-spacing: .12em;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.btn:hover, .btn:focus-visible { transform: translate(-3px, -3px); }
.btn-primary { background: var(--orange); color: var(--paper); border-color: var(--orange); box-shadow: 5px 5px 0 var(--blue); }
.btn-ghost { background: transparent; color: var(--paper); }
.btn-ghost:hover { background: var(--paper); color: var(--ink); }
.btn-light { background: var(--paper); color: var(--ink); border-color: var(--paper); box-shadow: 5px 5px 0 var(--orange); }
.text-link { font: 900 11px/1 var(--mono); letter-spacing: .12em; text-underline-offset: 6px; }

.hero-visual {
  width: min(100%, 610px);
  justify-self: end;
  color: var(--cyan);
  filter: drop-shadow(0 26px 60px rgba(0,0,0,.35));
}
.drawing-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 2px;
  color: rgba(242,239,231,.72);
  font: 700 9px/1.2 var(--mono);
  letter-spacing: .08em;
}
.portrait-plan { overflow: visible; }
.plan-frame { fill: rgba(5, 28, 49, .86); stroke: var(--cyan); stroke-width: 2; }
.plan-grid { color: var(--cyan); opacity: .7; }
.plan-arc { fill: none; stroke: var(--orange); stroke-width: 2; stroke-dasharray: 7 8; }
.plan-arc.thin { stroke-width: 1; opacity: .7; }
.plan-node { fill: var(--orange); }
.head-fill { fill: rgba(242,239,231,.06); }
.head-outline, .head-cut, .face-detail {
  fill: none;
  stroke: var(--paper);
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
}
.head-cut { stroke: var(--orange); opacity: .8; }
.head-cut.thin { stroke-width: 1; stroke-dasharray: 5 5; }
.glasses path { fill: var(--blue); stroke: var(--paper); stroke-width: 3; }
.glasses .glasses-bridge, .glasses .glasses-shine { fill: none; stroke: var(--paper); }
.glasses .glasses-shine { opacity: .7; stroke-width: 2; }
.face-detail { stroke-width: 2; opacity: .8; }
.measurements path { fill: none; stroke: var(--cyan); stroke-width: 1; }
.measurements text, .plan-labels text { fill: var(--cyan); font: 700 11px var(--mono); letter-spacing: .06em; }
.plan-labels text { fill: var(--paper); font-size: 10px; }
.head-construction { transform-origin: 360px 350px; animation: drift 8s ease-in-out infinite; }
@keyframes drift { 0%,100% { transform: translate(0,0); } 50% { transform: translate(5px,-7px); } }
.hero-footer {
  position: absolute;
  z-index: 2;
  left: clamp(20px, 4vw, 64px);
  right: clamp(20px, 4vw, 64px);
  bottom: 18px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font: 700 9px/1 var(--mono);
  letter-spacing: .12em;
  color: rgba(242,239,231,.48);
}

.signal-strip {
  overflow: hidden;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--orange);
  color: var(--paper);
}
.signal-track {
  width: max-content;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 15px 0;
  animation: ticker 24s linear infinite;
  font: 900 13px/1 var(--display);
  letter-spacing: .12em;
}
.signal-track i { color: var(--ink); font-style: normal; font-size: 20px; }
@keyframes ticker { to { transform: translateX(-50%); } }

.section { position: relative; padding: clamp(92px, 11vw, 168px) clamp(20px, 6vw, 96px); }
.section-index { margin-bottom: 28px; font: 800 10px/1 var(--mono); letter-spacing: .14em; color: var(--orange); }
.section-kicker { margin: 0 0 18px; font: 800 10px/1.2 var(--mono); letter-spacing: .16em; color: var(--blue); }
.section h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(42px, 6.4vw, 106px);
  line-height: .92;
  letter-spacing: -.065em;
  text-transform: uppercase;
}
.section h2 em { color: var(--blue); font-style: normal; }

.section-akte { background: var(--paper); color: var(--ink); }
.akte-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(44px, 8vw, 130px); align-items: start; }
.akte-copy { padding-top: 48px; }
.akte-copy > p { margin: 0 0 26px; font-size: clamp(16px, 1.3vw, 20px); line-height: 1.65; color: rgba(6,21,36,.78); }
.akte-copy blockquote {
  margin: 44px 0;
  padding: 28px 0 28px 28px;
  border-left: 8px solid var(--orange);
  font-size: clamp(24px, 3vw, 46px);
  line-height: 1.06;
  letter-spacing: -.045em;
}
.akte-copy blockquote span, .akte-copy blockquote strong { display: block; }
.akte-copy blockquote strong { color: var(--blue); }
.akte-ledger {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(70px, 9vw, 130px);
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}
.akte-ledger div { min-height: 130px; padding: 20px; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.akte-ledger span, .akte-ledger strong { display: block; }
.akte-ledger span { margin-bottom: 28px; font: 700 9px/1 var(--mono); letter-spacing: .14em; color: var(--blue); }
.akte-ledger strong { font: 900 clamp(13px, 1.2vw, 18px)/1.25 var(--display); }

.section-spuren { background: var(--blue); color: var(--paper); }
.section-spuren .section-index, .section-spuren .section-kicker { color: var(--cyan); }
.section-heading { display: grid; grid-template-columns: .7fr 1.3fr; gap: 40px; align-items: end; margin-bottom: 64px; }
.track-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); border-top: 1px solid rgba(242,239,231,.35); border-left: 1px solid rgba(242,239,231,.35); }
.track-card {
  min-height: 470px;
  padding: clamp(24px, 3vw, 44px);
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(242,239,231,.35);
  border-bottom: 1px solid rgba(242,239,231,.35);
  background: transparent;
  transition: background .25s ease, color .25s ease, transform .25s ease;
  outline: none;
}
.track-card:hover, .track-card:focus-visible { background: var(--paper); color: var(--ink); transform: translate(-5px,-5px); box-shadow: 8px 8px 0 var(--orange); }
.track-number { font: 900 34px/1 var(--display); color: var(--orange); }
.track-type { margin-top: 14px; font: 800 9px/1 var(--mono); letter-spacing: .14em; opacity: .72; }
.track-card h3 { margin: auto 0 22px; font: 900 clamp(46px, 6vw, 94px)/.82 var(--display); letter-spacing: -.07em; }
.track-card p { max-width: 540px; margin: 0 0 42px; font-size: 16px; line-height: 1.55; opacity: .76; }
.track-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px solid currentColor; font: 800 9px/1 var(--mono); letter-spacing: .12em; }
.track-footer b { font-size: 24px; }

.section-methode { background: var(--ink); color: var(--paper); }
.methode-head { display: grid; grid-template-columns: .55fr 1.45fr; gap: 40px; align-items: start; margin-bottom: 72px; }
.methode-head h2 em { color: var(--orange); }
.method-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-dark); }
.method-list li {
  display: grid;
  grid-template-columns: 100px 1fr 130px;
  gap: 34px;
  align-items: center;
  min-height: 180px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-dark);
  transition: padding .25s ease, background .25s ease;
}
.method-list li:hover { padding-left: 24px; padding-right: 24px; background: rgba(22,103,255,.1); }
.method-no { font: 900 48px/1 var(--display); color: var(--blue); }
.method-list h3 { margin: 0 0 8px; font: 900 clamp(28px, 3.2vw, 54px)/1 var(--display); letter-spacing: -.04em; }
.method-list p { max-width: 820px; margin: 0; color: rgba(242,239,231,.68); font-size: 16px; line-height: 1.55; }
.method-code { justify-self: end; padding: 8px 10px; border: 1px solid var(--orange); color: var(--orange); font: 800 9px/1 var(--mono); letter-spacing: .12em; }

.section-fundament {
  min-height: 760px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: var(--orange);
  color: var(--ink);
  overflow: hidden;
}
.fundament-grid { background-image: linear-gradient(rgba(6,21,36,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(6,21,36,.12) 1px, transparent 1px); mask-image: none; }
.fundament-copy, .foundation-mark { position: relative; z-index: 2; }
.section-fundament .section-index, .section-fundament .section-kicker { color: var(--ink); }
.section-fundament h2 em { color: var(--paper); }
.fundament-copy > p { max-width: 740px; margin: 28px 0 0; font-size: clamp(17px, 1.5vw, 22px); line-height: 1.55; }
.foundation-mark {
  justify-self: end;
  width: min(100%, 680px);
  aspect-ratio: 1/1;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: 1fr auto 1fr;
  place-items: center;
  border: 2px solid var(--ink);
  transform: rotate(4deg);
  background: rgba(242,239,231,.07);
  box-shadow: 14px 14px 0 var(--blue);
}
.foundation-mark::before, .foundation-mark::after {
  content: "";
  position: absolute;
  background: var(--ink);
  opacity: .35;
}
.foundation-mark::before { width: 100%; height: 1px; }
.foundation-mark::after { width: 1px; height: 100%; }
.foundation-a, .foundation-a3, .foundation-rf { font: 900 clamp(70px, 10vw, 160px)/1 var(--display); letter-spacing: -.08em; }
.foundation-a { grid-column: 1; grid-row: 1; }
.foundation-plus { grid-column: 2; grid-row: 1; font: 900 44px/1 var(--display); }
.foundation-a3 { grid-column: 3; grid-row: 1; color: var(--paper); -webkit-text-stroke: 2px var(--ink); }
.foundation-equals { grid-column: 1 / -1; grid-row: 2; font: 900 52px/1 var(--display); }
.foundation-rf { grid-column: 1 / -1; grid-row: 3; color: var(--blue); font-size: clamp(100px, 14vw, 220px); }

.section-contact { background: var(--paper); color: var(--ink); display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(50px, 8vw, 130px); align-items: end; }
.contact-copy p:last-child { max-width: 620px; margin: 28px 0 0; color: rgba(6,21,36,.68); font-size: 18px; line-height: 1.6; }
.contact-panel { border-top: 1px solid var(--ink); }
.contact-row { display: grid; grid-template-columns: 130px 1fr; gap: 20px; align-items: center; min-height: 92px; border-bottom: 1px solid var(--ink); }
.contact-row span { font: 800 9px/1 var(--mono); letter-spacing: .14em; color: var(--blue); }
.contact-row a { justify-self: end; text-align: right; font: 900 clamp(17px, 1.6vw, 24px)/1.15 var(--display); text-decoration: none; }
.contact-row a:hover, .contact-row a:focus-visible { color: var(--orange); }
.contact-row.is-hidden { display: none; }

.site-footer { padding: 60px clamp(20px, 6vw, 96px) 28px; background: var(--ink); color: var(--paper); }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; padding-bottom: 54px; border-bottom: 1px solid var(--line-dark); }
.footer-top p { margin: 0; text-align: right; font: 900 clamp(18px, 2.2vw, 34px)/1.05 var(--display); letter-spacing: -.03em; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding-top: 24px; color: rgba(242,239,231,.55); font: 700 9px/1.4 var(--mono); letter-spacing: .1em; }
.footer-bottom a { color: var(--paper); text-decoration: none; }

[data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.75,.2,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; padding-top: calc(var(--header-h) + 58px); }
  .hero-copy { max-width: 850px; }
  .hero-visual { width: min(88vw, 620px); justify-self: center; }
  .hero-axis-y { left: 66%; }
  .akte-layout, .section-heading, .methode-head, .section-fundament, .section-contact { grid-template-columns: 1fr; }
  .akte-copy { padding-top: 0; }
  .akte-ledger { grid-template-columns: repeat(2, 1fr); }
  .section-heading { align-items: start; }
  .foundation-mark { justify-self: center; width: min(78vw, 620px); }
  .contact-panel { margin-top: 24px; }
}

@media (max-width: 760px) {
  :root { --header-h: 66px; }
  .cursor, .cursor-label { display: none; }
  .menu-toggle { display: inline-flex; }
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: -1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
    padding: 40px 24px;
    background: var(--blue);
    transform: translateY(-110%);
    transition: transform .35s cubic-bezier(.2,.8,.2,1);
  }
  .menu-open .site-nav { transform: translateY(0); }
  .site-nav a { font: 900 42px/.9 var(--display); letter-spacing: -.04em; }
  .hero { padding-left: 20px; padding-right: 20px; gap: 44px; }
  .eyebrow { align-items: flex-start; flex-direction: column; }
  .hero-title { font-size: clamp(62px, 24vw, 106px); }
  .title-line-bottom { margin-left: 20px; }
  .hero-footer { display: none; }
  .drawing-meta { font-size: 8px; }
  .section { padding-left: 20px; padding-right: 20px; }
  .akte-ledger, .track-grid { grid-template-columns: 1fr; }
  .track-card { min-height: 400px; }
  .method-list li { grid-template-columns: 62px 1fr; gap: 20px; }
  .method-code { display: none; }
  .foundation-mark { width: min(88vw, 520px); box-shadow: 8px 8px 0 var(--blue); }
  .contact-row { grid-template-columns: 1fr; gap: 10px; padding: 20px 0; }
  .contact-row a { justify-self: start; text-align: left; }
  .footer-top { flex-direction: column; }
  .footer-top p { text-align: left; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}