/* ════════════════════════════════════════════════════════════════════
   Bau Job AG — One-pager
   Brutalist Swiss · Construction-precision · Black + Hi-vis Yellow
   ════════════════════════════════════════════════════════════════════ */

/* ─── Tokens ─────────────────────────────────────────────────────────── */
:root {
  /* Color — OKLCH, tinted toward brand navy/yellow for cohesion */
  --c-ink:        oklch(0.13 0.012 250);   /* deep near-black, hint of cool */
  --c-ink-2:      oklch(0.20 0.012 250);   /* one step lighter */
  --c-ink-3:      oklch(0.32 0.010 250);
  --c-paper:      oklch(0.98 0.003 240);   /* off-white, subtle cool */
  --c-paper-2:    oklch(0.96 0.004 240);
  --c-line:       oklch(0.88 0.005 240);
  --c-line-dark:  oklch(0.28 0.012 250);
  --c-mute:       oklch(0.52 0.010 250);
  --c-mute-dark:  oklch(0.68 0.010 250);
  --c-accent:     oklch(0.82 0.175 82);    /* hi-vis construction yellow ≈ #FDB515 */
  --c-accent-2:   oklch(0.88 0.170 88);
  --c-on-accent:  oklch(0.16 0.012 250);

  /* Typography */
  --f-display: "Bricolage Grotesque", "Geist", system-ui, sans-serif;
  --f-body:    "Geist", "Bricolage Grotesque", system-ui, sans-serif;
  --f-mono:    "Geist Mono", ui-monospace, "SF Mono", monospace;

  /* Type scale — fluid */
  --t-display: clamp(2.8rem, 5.4vw + 0.5rem, 6rem);
  --t-h1:      clamp(2.6rem, 6vw + 0.5rem, 6rem);
  --t-h2:      clamp(2.2rem, 4vw + 0.5rem, 4.4rem);
  --t-h3:      clamp(1.4rem, 1.2vw + 1rem, 2rem);
  --t-lede:    clamp(1.05rem, 0.4vw + 0.95rem, 1.25rem);
  --t-body:    1rem;
  --t-mono:    0.78rem;
  --t-eyebrow: 0.78rem;

  /* Spacing — 4pt scale */
  --s-1:  4px;
  --s-2:  8px;
  --s-3:  12px;
  --s-4:  16px;
  --s-5:  24px;
  --s-6:  32px;
  --s-7:  48px;
  --s-8:  64px;
  --s-9:  96px;
  --s-10: 128px;
  --s-11: 192px;

  /* Layout */
  --container:  min(94vw, 1340px);
  --container-narrow: min(94vw, 980px);
  --gutter:     clamp(1.25rem, 3vw, 2.5rem);
  --radius:     2px;
  --radius-lg:  4px;
  --header-h:   72px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --d-fast: 220ms;
  --d-med:  420ms;
  --d-slow: 800ms;
}

/* ─── Reset ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--f-body);
  font-size: var(--t-body);
  line-height: 1.55;
  color: var(--c-ink);
  background: var(--c-paper);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
input, textarea, button { font: inherit; }
ul, ol { padding: 0; margin: 0; list-style: none; }

::selection { background: var(--c-accent); color: var(--c-on-accent); }

/* ─── Header ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  height: var(--header-h);
  background: var(--c-paper);
  border-bottom: 1px solid var(--c-line);
  transition: background var(--d-fast) var(--ease-out),
              border-color var(--d-fast) var(--ease-out),
              transform var(--d-med) var(--ease-out);
}
.site-header.is-floating {
  background: var(--c-paper);
  box-shadow: 0 1px 0 var(--c-line), 0 8px 24px -16px color-mix(in oklch, var(--c-ink) 30%, transparent);
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--f-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.1rem;
}
.site-header__logo .logo-mark { width: 30px; height: auto; }

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--s-7);
  font-size: 0.93rem;
  font-weight: 500;
}
.site-header__nav a {
  position: relative;
  padding: 6px 0;
}
.site-header__nav a:not(.site-header__cta)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--c-accent);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--d-med) var(--ease-out);
}
.site-header__nav a:not(.site-header__cta):hover::after,
.site-header__nav a:not(.site-header__cta):focus-visible::after { transform: scaleX(1); }

.site-header__cta {
  background: var(--c-ink);
  color: var(--c-paper);
  padding: 10px 18px;
  border-radius: var(--radius);
  transition: background var(--d-fast) var(--ease-out), color var(--d-fast) var(--ease-out);
}
.site-header__cta:hover {
  background: var(--c-accent);
  color: var(--c-on-accent);
}

/* Logo mark vector colours */
.logo-mark__primary { fill: var(--c-ink); }
.logo-mark__accent  { fill: var(--c-accent); }

/* ─── Hero ───────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: var(--s-9) var(--gutter) var(--s-8);
  min-height: calc(100svh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--c-paper);
  overflow: hidden;
}

/* Rail of metadata across the very top */
.hero__rail {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.12em;
  color: var(--c-mute);
  margin-bottom: var(--s-9);
}
.hero__rail-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--c-accent);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  gap: var(--s-5) var(--s-8);
  align-items: start;
  width: 100%;
  margin-top: var(--s-7);
}
.hero__eyebrow  { grid-column: 1; grid-row: 1; margin: 0; }
.hero__meta     { grid-column: 1; grid-row: 2; }
.hero__stage    { grid-column: 2; grid-row: 1 / -1; align-self: stretch; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-mute);
  margin: 0 0 var(--s-5);
}
.hero__eyebrow-mark {
  width: 24px; height: 2px;
  background: var(--c-accent);
}

.hero__headline {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: var(--t-display);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin: var(--s-5) 0 0;
  color: var(--c-ink);
  max-width: 22ch;
}
.hero__headline em {
  font-style: normal;
  position: relative;
  display: inline-block;
  padding: 0 0.08em;
}
.hero__headline em::after {
  content: "";
  position: absolute;
  inset: auto -0.04em 0.08em -0.04em;
  height: 0.42em;
  background: var(--c-accent);
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
  animation: highlight var(--d-slow) var(--ease-out) 1.4s forwards;
}

@keyframes highlight {
  to { transform: scaleX(1); }
}

.hero__meta {
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
}

.hero__lede {
  font-size: var(--t-lede);
  line-height: 1.45;
  color: var(--c-ink-2);
  max-width: 50ch;
  margin: 0;
}

.hero__actions {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
}

/* Hero stage with animated logo */
.hero__stage {
  position: relative;
  grid-column: 2;
  align-self: stretch;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__stage-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in oklch, var(--c-ink) 7%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklch, var(--c-ink) 7%, transparent) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at center, black 35%, transparent 78%);
  pointer-events: none;
}
.hero__logo {
  position: relative;
  width: clamp(220px, 26vw, 360px);
  height: auto;
  filter: drop-shadow(0 1px 0 color-mix(in oklch, var(--c-ink) 8%, transparent));
}
.hero__logo polygon {
  fill: var(--c-ink);
  transform-origin: center;
  opacity: 0;
  transform: translateY(14px) scale(0.94);
  animation: pop var(--d-med) var(--ease-out) forwards;
}
.hero__logo polygon.js-draw--accent { fill: var(--c-accent); }
.hero__logo polygon[data-draw="1"] { animation-delay: 0.35s; }
.hero__logo polygon[data-draw="2"] { animation-delay: 0.50s; }
.hero__logo polygon[data-draw="3"] { animation-delay: 0.65s; }
.hero__logo polygon[data-draw="4"] { animation-delay: 0.95s; }

@keyframes pop {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Scroll cue */
.hero__scroll {
  position: absolute;
  left: var(--gutter);
  bottom: var(--s-6);
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  border: 0;
  padding: 0;
  background: none;
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mute);
}
.hero__scroll-line {
  display: block;
  width: 64px;
  height: 1px;
  background: var(--c-ink);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-accent);
  transform: translateX(-100%);
  animation: scroll-cue 2.6s var(--ease-in-out) infinite;
}
@keyframes scroll-cue {
  0%   { transform: translateX(-100%); }
  50%  { transform: translateX(0); }
  100% { transform: translateX(100%); }
}

/* ─── Reveal mask (used in hero headline) ───────────────────────────── */
.reveal-mask {
  display: block;
  overflow: hidden;
}
.reveal-mask__inner {
  display: inline-block;
  transform: translateY(105%);
  animation: reveal-up var(--d-slow) var(--ease-out) forwards;
}
.reveal-mask:nth-child(1) .reveal-mask__inner { animation-delay: 0.10s; }
.reveal-mask:nth-child(2) .reveal-mask__inner { animation-delay: 0.20s; }
.reveal-mask:nth-child(3) .reveal-mask__inner { animation-delay: 0.30s; }
.reveal-mask:nth-child(4) .reveal-mask__inner { animation-delay: 0.40s; }

@keyframes reveal-up {
  to { transform: translateY(0); }
}

/* ─── Buttons ────────────────────────────────────────────────────────── */
.btn {
  --bg: var(--c-ink);
  --fg: var(--c-paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  padding: 14px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--bg);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: transform var(--d-fast) var(--ease-out);
}
.btn svg {
  width: 16px; height: 16px;
  transition: transform var(--d-med) var(--ease-out);
}
.btn:hover svg { transform: translateX(4px); }
.btn:active   { transform: translateY(1px); }

.btn--primary { --bg: var(--c-ink);    --fg: var(--c-paper); }
.btn--ghost   { --bg: transparent;     --fg: var(--c-ink); border-color: var(--c-ink); }
.btn--accent  { --bg: var(--c-accent); --fg: var(--c-on-accent); border-color: var(--c-accent); }
.btn--dark    { --bg: var(--c-ink);    --fg: var(--c-paper); border-color: var(--c-ink); }
.btn--block   { width: 100%; padding: 16px 22px; }

/* Sliding-fill hover */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-accent);
  transform: translateX(-101%);
  transition: transform var(--d-med) var(--ease-out);
  z-index: 0;
}
.btn > * { position: relative; z-index: 1; }
.btn:hover::before { transform: translateX(0); }
.btn:hover { color: var(--c-on-accent); }
.btn--accent:hover { color: var(--c-on-accent); }
.btn--accent::before { background: var(--c-ink); }
.btn--accent:hover { color: var(--c-paper); }

/* Submit button — loading & success states */
.btn[data-state="loading"] { pointer-events: none; opacity: 0.85; }
.btn[data-state="loading"] svg {
  animation: btn-spin 0.9s linear infinite;
}
.btn[data-state="success"] {
  background: var(--c-ink);
  color: var(--c-accent);
  border-color: var(--c-ink);
}
.btn[data-state="success"]::before { transform: translateX(101%); }
.btn[data-state="success"] svg path {
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  animation: btn-check 520ms var(--ease-out) forwards;
}
@keyframes btn-spin {
  to { transform: rotate(360deg); }
}
@keyframes btn-check {
  to { stroke-dashoffset: 0; }
}

/* Form shake on invalid submit */
.contact__form.is-invalid { animation: form-shake 360ms var(--ease-in-out); }
@keyframes form-shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(5px); }
  60%      { transform: translateX(-3px); }
  80%      { transform: translateX(2px); }
}

/* ─── Marquee ────────────────────────────────────────────────────────── */
.marquee {
  background: var(--c-ink);
  color: var(--c-paper);
  border-top: 1px solid var(--c-ink);
  border-bottom: 1px solid var(--c-ink);
  overflow: hidden;
  padding: var(--s-5) 0;
  position: relative;
}
.marquee__track {
  display: flex;
  gap: var(--s-5);
  white-space: nowrap;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2vw + 0.8rem, 2.4rem);
  letter-spacing: -0.015em;
  animation: marquee 38s linear infinite;
  width: max-content;
}
.marquee__item { padding-inline: var(--s-3); }
.marquee__sep { color: var(--c-accent); font-weight: 400; opacity: 0.8; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── Generic section ───────────────────────────────────────────────── */
.section {
  padding: clamp(72px, 9vw, 144px) var(--gutter);
}
.section--light { background: var(--c-paper); color: var(--c-ink); }
.section--dark  { background: var(--c-ink);   color: var(--c-paper); }

.section-head {
  max-width: var(--container);
  margin: 0 auto var(--s-9);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr);
  gap: var(--s-7);
  align-items: end;
}
.section-head__index {
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-mute);
  padding-top: 6px;
  border-top: 1px solid var(--c-line);
}
.section-head--inverse .section-head__index {
  color: var(--c-mute-dark);
  border-top-color: var(--c-line-dark);
}
.section-head__title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: var(--t-h2);
  line-height: 1.0;
  letter-spacing: -0.025em;
  margin: 0;
  max-width: 24ch;
}

/* ─── Services ──────────────────────────────────────────────────────── */
.services {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.service {
  position: relative;
  padding: var(--s-7) var(--s-6) var(--s-8);
  border-right: 1px solid var(--c-line);
  background: var(--c-paper);
  transition:
    background var(--d-med) var(--ease-out),
    transform 520ms var(--ease-out);
}
.service:last-child { border-right: 0; }
.service:hover { background: var(--c-paper-2); transform: translateY(-4px); }

.service__num {
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  color: var(--c-mute);
  margin-bottom: var(--s-7);
  display: flex;
  align-items: center;
  gap: var(--s-3);
}
.service__num::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--c-accent);
  transition: width 480ms var(--ease-out);
}
.service:hover .service__num::before { width: 42px; }
.service__body h3 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 2vw + 1rem, 2.6rem);
  letter-spacing: -0.02em;
  margin: 0 0 var(--s-4);
  line-height: 1;
}
.service__lede {
  font-size: var(--t-lede);
  line-height: 1.45;
  color: var(--c-ink-2);
  margin: 0 0 var(--s-6);
  max-width: 36ch;
}
.service__points {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--c-ink-2);
}
.service__points li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--c-line);
}
.bullet-arrow {
  display: inline-block;
  width: 14px;
  height: 1px;
  background: var(--c-accent);
  position: relative;
  transform: translateY(-4px);
}
.bullet-arrow::after {
  content: "";
  position: absolute;
  right: 0; top: 50%;
  width: 6px; height: 6px;
  border-top: 1px solid var(--c-accent);
  border-right: 1px solid var(--c-accent);
  transform: translate(1px, -50%) rotate(45deg);
}
.service__rule {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 3px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--d-slow) var(--ease-out);
}
.service:hover .service__rule { transform: scaleX(1); }
.service--featured .service__num::before { width: 36px; }

/* Reveal entrance for scroll-triggered items */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}
[data-reveal]:nth-child(2) { transition-delay: 80ms; }
[data-reveal]:nth-child(3) { transition-delay: 160ms; }
[data-reveal]:nth-child(4) { transition-delay: 240ms; }

/* Stagger entrance for form pieces when contact section comes into view */
.contact__form > * {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 620ms var(--ease-out),
    transform 620ms var(--ease-out);
}
.contact.is-in .contact__form > * { opacity: 1; transform: none; }
.contact.is-in .contact__form > *:nth-child(1) { transition-delay: 80ms; }
.contact.is-in .contact__form > *:nth-child(2) { transition-delay: 160ms; }
.contact.is-in .contact__form > *:nth-child(3) { transition-delay: 240ms; }
.contact.is-in .contact__form > *:nth-child(4) { transition-delay: 320ms; }
.contact.is-in .contact__form > *:nth-child(5) { transition-delay: 400ms; }
.contact.is-in .contact__form > *:nth-child(6) { transition-delay: 480ms; }

/* ─── Split section ─────────────────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-height: 80svh;
}
.split__panel {
  padding: clamp(56px, 7vw, 112px) clamp(24px, 5vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--s-6);
  position: relative;
  overflow: hidden;
}
.split__panel--dark  { background: var(--c-ink);   color: var(--c-paper); }
.split__panel--light { background: var(--c-paper); color: var(--c-ink); }

.split__tag {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  align-self: flex-start;
}
.split__tag::before {
  content: "";
  width: 24px; height: 2px;
  background: var(--c-accent);
}
.split__panel--light .split__tag { color: var(--c-mute); }
.split__panel--dark  .split__tag { color: var(--c-mute-dark); }

.split__title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 4.2vw + 0.5rem, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0;
  max-width: 14ch;
}
.split__title em {
  font-style: normal;
  color: var(--c-accent);
}

.split__copy {
  font-size: var(--t-lede);
  line-height: 1.5;
  max-width: 44ch;
  margin: 0;
}
.split__panel--dark .split__copy  { color: var(--c-mute-dark); }
.split__panel--light .split__copy { color: var(--c-ink-2); }

.split__list {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  font-size: 1rem;
}
.split__list li {
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-3) 0;
  border-top: 1px solid;
}
.split__panel--dark  .split__list li { border-color: var(--c-line-dark); }
.split__panel--light .split__list li { border-color: var(--c-line); }
.split__list-num {
  font-family: var(--f-mono);
  color: var(--c-accent);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}
.split__panel .btn { align-self: flex-start; margin-top: var(--s-3); }

/* ─── Stats ──────────────────────────────────────────────────────────── */
.stats {
  background: var(--c-ink);
  color: var(--c-paper);
  padding: clamp(72px, 9vw, 144px) var(--gutter);
}
.stats__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--c-line-dark);
  border-bottom: 1px solid var(--c-line-dark);
}
.stat {
  padding: var(--s-7) var(--s-5);
  border-right: 1px solid var(--c-line-dark);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.stat:last-child { border-right: 0; }
.stat__prefix {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
}
.stat__num {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(3.2rem, 6vw + 1rem, 6rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--c-paper);
}
.stat__num::after {
  content: attr(data-suffix);
  color: var(--c-accent);
}
.stat__label {
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--c-mute-dark);
  max-width: 24ch;
}

/* ─── Process ────────────────────────────────────────────────────────── */
.process {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s-5);
  counter-reset: step;
}
.process__step {
  position: relative;
  padding-top: var(--s-7);
  border-top: 1px solid var(--c-ink);
}
.process__step::before {
  content: "";
  position: absolute;
  left: 0; top: -1px;
  width: 100%;
  height: 1px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--d-slow) var(--ease-out);
}
.process__step.is-in::before { transform: scaleX(1); transition-delay: 0.3s; }
.process__num {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--c-mute);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--s-5);
  transition: color 320ms var(--ease-out);
}
.process__num::after {
  content: "";
  width: 0;
  height: 1px;
  background: var(--c-accent);
  transition: width 520ms var(--ease-out);
}
.process__step:hover .process__num { color: var(--c-ink); }
.process__step:hover .process__num::after { width: 28px; }
.process__step h3 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 1.3vw + 1.2rem, 2.2rem);
  margin: 0 0 var(--s-3);
  letter-spacing: -0.02em;
  line-height: 1;
  transition: transform 420ms var(--ease-out);
}
.process__step:hover h3 { transform: translateX(4px); }
.process__step p {
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--c-ink-2);
  margin: 0;
  max-width: 30ch;
}

/* ─── Quote ──────────────────────────────────────────────────────────── */
.quote {
  background: var(--c-paper-2);
  padding: clamp(80px, 11vw, 180px) var(--gutter);
}
.quote__body {
  max-width: var(--container-narrow);
  margin: 0 auto;
  position: relative;
  padding-left: clamp(24px, 6vw, 96px);
}
.quote__mark {
  position: absolute;
  left: 0; top: -0.1em;
  font-family: var(--f-display);
  font-size: clamp(8rem, 16vw, 14rem);
  line-height: 1;
  color: var(--c-accent);
  font-weight: 800;
}
.quote__body p {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(1.6rem, 2.2vw + 0.8rem, 2.6rem);
  line-height: 1.18;
  letter-spacing: -0.018em;
  margin: 0;
  color: var(--c-ink);
}
.quote__source {
  margin-top: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.9rem;
  color: var(--c-mute);
}
.quote__source-name { color: var(--c-ink); font-weight: 600; }

/* ─── Contact ────────────────────────────────────────────────────────── */
.contact {
  padding: clamp(72px, 9vw, 144px) var(--gutter);
  background: var(--c-ink);
  color: var(--c-paper);
}
.contact__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.contact__details dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-6) var(--s-5);
  margin: 0;
}
.contact__details dt {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--c-mute-dark);
  margin-bottom: var(--s-2);
  padding-bottom: var(--s-2);
  border-bottom: 1px solid var(--c-line-dark);
}
.contact__details dd {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--c-paper);
}
.contact__details dd a:hover {
  color: var(--c-accent);
}

.contact__note {
  margin: var(--s-7) 0 0;
  padding: var(--s-5);
  border: 1px solid var(--c-line-dark);
  font-size: 0.92rem;
  color: var(--c-mute-dark);
  display: flex;
  align-items: center;
  gap: var(--s-4);
  border-radius: var(--radius);
}
.contact__note-mark {
  flex-shrink: 0;
  width: 10px; height: 10px;
  background: var(--c-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--c-accent) 30%, transparent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0   color-mix(in oklch, var(--c-accent) 40%, transparent); }
  50%      { box-shadow: 0 0 0 8px color-mix(in oklch, var(--c-accent)  0%, transparent); }
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.contact__form-intro {
  margin: 0 0 var(--s-4);
  font-size: var(--t-lede);
  color: var(--c-paper);
  font-weight: 500;
}

/* ─── Floating-label field ─────────────────────────────────────────── */
.field {
  position: relative;
  display: block;
  padding-top: 22px;       /* room for floating label */
}
.field input,
.field textarea {
  display: block;
  width: 100%;
  background: transparent;
  color: var(--c-paper);
  border: 0;
  border-bottom: 1px solid var(--c-line-dark);
  padding: 14px 2px 12px;
  font: inherit;
  font-size: 1.05rem;
  border-radius: 0;
  caret-color: var(--c-accent);
  transition: border-color 320ms var(--ease-out);
  resize: none;
  outline: 0;                 /* replaced by animated underline + accent label */
  -webkit-tap-highlight-color: transparent;
}
.field input:-webkit-autofill {
  -webkit-text-fill-color: var(--c-paper);
  transition: background-color 5000s ease-in-out 0s;
}
.field textarea { min-height: 124px; line-height: 1.5; }

/* placeholder kept as " " (single space) to make :placeholder-shown work */
.field input::placeholder,
.field textarea::placeholder { color: transparent; }

.field label {
  position: absolute;
  left: 2px;
  top: 36px;               /* sits over the input's text baseline */
  font: inherit;
  font-size: 1.05rem;
  color: var(--c-mute-dark);
  pointer-events: none;
  transform-origin: 0 50%;
  transition:
    transform 380ms var(--ease-out),
    color 240ms var(--ease-out),
    letter-spacing 240ms var(--ease-out);
  white-space: nowrap;
}

/* animated underline that draws from the left on focus */
.field__underline {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 480ms var(--ease-out);
  pointer-events: none;
}

/* floats up when focused OR when filled */
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  transform: translateY(-30px) scale(0.74);
  color: var(--c-accent);
  letter-spacing: 0.14em;
}

/* underline grows in */
.field input:focus ~ .field__underline,
.field textarea:focus ~ .field__underline {
  transform: scaleX(1);
}

/* keep the static border subtle, accent takes over on focus */
.field input:focus,
.field textarea:focus { border-bottom-color: transparent; }

/* invalid (filled but not valid email) — soft red tint */
.field input:not(:placeholder-shown):invalid + label {
  color: color-mix(in oklch, var(--c-accent) 30%, #ff8888);
}

/* ─── Segmented control (Unternehmen / Fachkraft) ─────────────────── */
.segment-control {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--s-5);            /* matches the form's own gap so spacing
                                  above + below the pill is identical */
  margin: 0;
}
.segment-control__label {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-mute-dark);
}
.segment-control__track {
  position: relative;
  display: flex;
  width: 100%;
  padding: 4px;
  background: color-mix(in oklch, var(--c-ink-2) 70%, transparent);
  border: 1px solid var(--c-line-dark);
  border-radius: 999px;
  isolation: isolate;
}
.segment-control__indicator {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: calc(50% - 4px);
  background: var(--c-accent);
  border-radius: 999px;
  transition: transform 420ms var(--ease-out);
  z-index: 0;
}
.segment-control__track:has(input[value="fachkraft"]:checked) .segment-control__indicator {
  transform: translateX(100%);
}
.segment-control__option {
  position: relative;
  z-index: 1;
  flex: 1 1 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-mute-dark);
  cursor: pointer;
  border-radius: 999px;
  user-select: none;
  text-align: center;
  transition: color 240ms var(--ease-out);
}
.segment-control__option > span { position: relative; }
.segment-control__option input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  margin: 0;
}
.segment-control__option:has(input:checked) { color: var(--c-on-accent); }
.segment-control__option:has(input:focus-visible) {
  box-shadow: 0 0 0 2px color-mix(in oklch, var(--c-accent) 60%, transparent);
}

/* ─── Footer ─────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--c-ink);
  color: var(--c-paper);
  padding: var(--s-9) var(--gutter) var(--s-6);
  border-top: 1px solid var(--c-line-dark);
}
.site-footer__brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  margin-bottom: var(--s-8);
}
.site-footer__brand .logo-mark { width: 40px; }
.logo-mark--reverse .logo-mark__primary,
.logo-mark--reverse polygon:not(.logo-mark__accent) { fill: var(--c-paper); }
.logo-mark--reverse .logo-mark__accent { fill: var(--c-accent); }
.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-7);
  padding-bottom: var(--s-8);
  border-bottom: 1px solid var(--c-line-dark);
}
.site-footer__head {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-mute-dark);
  display: block;
  margin-bottom: var(--s-3);
}
.site-footer__cols p { margin: 0; line-height: 1.6; font-size: 0.95rem; }
.site-footer__cols a:hover { color: var(--c-accent); }
.site-footer__base {
  margin: var(--s-6) 0 0;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--c-mute-dark);
}
.site-footer__credit {
  margin: var(--s-3) 0 0;
  font-size: 0.82rem;
  color: var(--c-mute-dark);
  letter-spacing: 0.01em;
}
.site-footer__credit a {
  position: relative;
  color: var(--c-paper);
  font-weight: 500;
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition:
    background-size 380ms var(--ease-out),
    color 240ms var(--ease-out);
}
.site-footer__credit a:hover {
  color: var(--c-accent);
  background-size: 100% 1px;
}

/* ─── Focus ──────────────────────────────────────────────────────────── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 1px;
}
/* Floating-label fields use the animated underline + accent label as the focus cue */
.field input:focus-visible,
.field textarea:focus-visible {
  outline: 0;
}

/* ─── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: var(--s-5);
    margin-top: var(--s-5);
  }
  .hero__stage    { grid-column: 1; grid-row: 1; min-height: 200px; align-self: center; justify-self: start; }
  .hero__eyebrow  { grid-column: 1; grid-row: 2; }
  .hero__meta     { grid-column: 1; grid-row: 3; }
  .hero__logo  { width: clamp(180px, 32vw, 260px); }
  .hero__headline { max-width: none; }
  .services    { grid-template-columns: repeat(2, 1fr); }
  .service:nth-child(2) { border-right: 0; }
  .service:nth-child(odd) { border-right: 1px solid var(--c-line); }
  .service:nth-child(2) { border-bottom: 1px solid var(--c-line); }
  .service:nth-child(1) { border-bottom: 1px solid var(--c-line); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(odd)  { border-right: 1px solid var(--c-line-dark); }
  .stat:nth-child(even) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--c-line-dark); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .section-head { grid-template-columns: 1fr; gap: var(--s-4); }
  .split { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
}

/* Mobile */
@media (max-width: 720px) {
  :root {
    --gutter: clamp(1rem, 4vw, 1.5rem);
    --t-display: clamp(2.4rem, 11.5vw + 0.2rem, 4.4rem);
    --header-h: 60px;
  }

  /* Header — compact, no main nav */
  .site-header { padding: 0 var(--gutter); }
  .site-header__logo { gap: 10px; font-size: 1rem; }
  .site-header__logo .logo-mark { width: 26px; }
  .site-header__nav { gap: 0; }
  .site-header__nav a:not(.site-header__cta) { display: none; }
  .site-header__cta {
    padding: 10px 16px;
    font-size: 0.88rem;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
  }

  /* Hero — tighter, more breathing on small screens */
  .hero { padding: var(--s-6) var(--gutter) var(--s-7); }
  .hero__rail {
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    gap: 10px;
    margin-bottom: var(--s-6);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 6px;
  }
  .hero__rail::-webkit-scrollbar { display: none; }
  .hero__rail span { white-space: nowrap; flex-shrink: 0; }
  .hero__stage { min-height: 160px; }
  .hero__logo { width: 150px; }
  .hero__eyebrow {
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    margin: 0 0 var(--s-3);
  }
  .hero__headline { letter-spacing: -0.04em; line-height: 0.96; }
  .hero__lede { font-size: 1.02rem; line-height: 1.5; }
  .hero__actions { gap: 10px; }
  .hero__actions .btn {
    flex: 1 1 calc(50% - 5px);
    min-width: 0;
    padding: 14px 14px;
    font-size: 0.9rem;
    min-height: 48px;
  }
  .hero__scroll { display: none; }

  /* Marquee — runs faster, looks lively on small viewports */
  .marquee { padding: 16px 0; }
  .marquee__track {
    gap: 18px;
    font-size: clamp(1.1rem, 5.6vw, 1.6rem);
    animation-duration: 22s;
  }

  /* Sections — tighter padding */
  .section { padding: var(--s-8) var(--gutter); }
  .section-head {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: var(--s-7);
  }
  .section-head__title {
    font-size: clamp(1.8rem, 7.5vw + 0.4rem, 2.6rem);
    line-height: 1.05;
  }
  .section-head__index { font-size: 0.72rem; padding-top: 10px; }

  /* Services — stacked, refined */
  .services { grid-template-columns: 1fr; }
  .service {
    padding: var(--s-6) var(--s-5) var(--s-6);
    border-right: 0;
    border-bottom: 1px solid var(--c-line);
  }
  .service:last-child { border-bottom: 0; }
  .service__body h3 { font-size: 1.7rem; }
  .service__lede { font-size: 1rem; margin-bottom: var(--s-5); }
  .service__num { margin-bottom: var(--s-5); }

  /* Split section — adjusted height + padding */
  .split { grid-template-columns: 1fr; }
  .split__panel {
    padding: var(--s-8) var(--gutter);
    min-height: auto;
    gap: var(--s-5);
  }
  .split__title { font-size: clamp(2rem, 9vw + 0.2rem, 3.2rem); letter-spacing: -0.035em; }
  .split__copy { font-size: 1rem; line-height: 1.55; }
  .split__list { font-size: 0.95rem; }
  .split__list li {
    grid-template-columns: 40px 1fr;
    gap: 10px;
    padding: 10px 0;
  }
  .split__panel .btn {
    width: 100%;
    justify-content: center;
    min-height: 50px;
    font-size: 1rem;
  }

  /* Stats — 2x2 grid below 720, denser layout */
  .stats { padding: var(--s-8) var(--gutter); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat {
    padding: var(--s-5) var(--s-3);
    border-right: 1px solid var(--c-line-dark);
  }
  .stat:nth-child(even)  { border-right: 0; }
  .stat:nth-child(1),
  .stat:nth-child(2)     { border-bottom: 1px solid var(--c-line-dark); }
  .stat__num { font-size: clamp(2.4rem, 12vw, 3.4rem); }
  .stat__label { font-size: 0.82rem; line-height: 1.35; }

  /* Process — 2-col grid */
  .process { grid-template-columns: repeat(2, 1fr); gap: var(--s-5) var(--s-4); }
  .process__step { padding-top: var(--s-5); }
  .process__step h3 { font-size: 1.3rem; }
  .process__step p { font-size: 0.92rem; }
  .process__num { font-size: 0.72rem; margin-bottom: var(--s-3); }

  /* Quote */
  .quote { padding: var(--s-8) var(--gutter); }
  .quote__body { padding-left: 0; padding-top: 60px; }
  .quote__mark {
    position: absolute;
    left: -6px; top: -10px;
    font-size: 6rem;
  }
  .quote__body p {
    font-size: clamp(1.25rem, 5vw + 0.4rem, 1.75rem);
    line-height: 1.25;
  }

  /* Contact */
  .contact { padding: var(--s-8) var(--gutter); }
  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--s-7);
  }
  .contact__details dl { grid-template-columns: 1fr; gap: var(--s-5); }
  .contact__details dt { font-size: 0.7rem; }
  .contact__details dd { font-size: 1rem; }
  .contact__note { padding: 14px; font-size: 0.88rem; }

  /* Form — bigger touch targets */
  .segment-control { gap: var(--s-3); }
  .segment-control__track { width: 100%; }
  .segment-control__option { flex: 1; min-width: 0; padding: 11px 16px; }

  .field { padding-top: 18px; }
  .field input,
  .field textarea {
    padding: 14px 0 12px;
    font-size: 1rem;
    min-height: 48px;
  }
  .field textarea { min-height: 112px; }
  .field label { top: 32px; font-size: 1rem; }
  .field input:focus + label,
  .field input:not(:placeholder-shown) + label,
  .field textarea:focus + label,
  .field textarea:not(:placeholder-shown) + label {
    transform: translateY(-26px) scale(0.74);
  }

  .contact__form-intro { font-size: 1.05rem; }
  .btn--block { padding: 16px 18px; min-height: 56px; font-size: 1rem; }

  /* Footer */
  .site-footer { padding: var(--s-7) var(--gutter) var(--s-5); }
  .site-footer__brand { margin-bottom: var(--s-6); font-size: 1.2rem; }
  .site-footer__brand .logo-mark { width: 32px; }
  .site-footer__cols {
    grid-template-columns: 1fr 1fr;
    gap: var(--s-5);
    padding-bottom: var(--s-6);
  }
  .site-footer__cols > div:first-child { grid-column: 1 / -1; }
  .site-footer__base { font-size: 0.7rem; line-height: 1.5; }
}

/* Very small phones (≤ 360px) */
@media (max-width: 360px) {
  :root { --gutter: 16px; }
  .hero__rail { font-size: 0.58rem; }
  .hero__actions .btn { font-size: 0.85rem; padding: 12px 10px; }
  .stats__grid { grid-template-columns: 1fr; }
  .stat:nth-child(odd) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2), .stat:nth-child(3) { border-bottom: 1px solid var(--c-line-dark); }
  .stat:nth-child(2) { border-bottom: 1px solid var(--c-line-dark); }
  .process { grid-template-columns: 1fr; }
  .site-footer__cols { grid-template-columns: 1fr; }
  .site-footer__cols > div:first-child { grid-column: auto; }
}

/* ─── Reduced motion ─────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .reveal-mask__inner { transform: none; }
  .hero__logo polygon { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
  .contact__form > * { opacity: 1; transform: none; }
  .field input:focus + label,
  .field input:not(:placeholder-shown) + label,
  .field textarea:focus + label,
  .field textarea:not(:placeholder-shown) + label {
    /* keep the floating label position but skip the easing */
    transition: none;
  }
}