/* ============================================================
   3d-Printe — Funktionsbauteile aus Aachen
   Visual system: industrial precision, technical-drawing motifs,
   layer-line texture, flat (no color gradients).
   ============================================================ */

:root {
  /* Brand */
  --forge:    #15402D;   /* primary */
  --forge-2:  #0F2E20;   /* darker forge */
  --forge-3:  #1C5239;   /* lighter forge for hairlines on dark */
  --signal:   #4FD18B;   /* signal-green accent */
  --carbon:   #1B1E1C;   /* near-black */
  --paper:    #F3F5F1;   /* warm off-white */
  --paper-2:  #EAEDE7;   /* deeper paper for panels */
  --paper-3:  #E2E6DE;

  /* Ink + lines on light */
  --ink:      #1B1E1C;
  --muted:    rgba(27,30,28,0.58);
  --faint:    rgba(27,30,28,0.40);
  --line:     rgba(27,30,28,0.16);
  --line-2:   rgba(27,30,28,0.10);

  /* On dark */
  --on-dark:        #EEF2EC;
  --on-dark-muted:  rgba(238,242,236,0.62);
  --line-dark:      rgba(238,242,236,0.18);

  --maxw: 1280px;
  --gut: clamp(20px, 5vw, 64px);

  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --sans: "Archivo", system-ui, -apple-system, sans-serif;

  --r: 3px; /* tight, machined radii */
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3 { margin: 0; line-height: 1.02; letter-spacing: -0.02em; font-weight: 800; }
p { margin: 0; text-wrap: pretty; }

/* ---------- shared utilities ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }

.mono {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--forge);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--signal);
  display: inline-block;
}

/* layer-line texture (hard-stop stripes, not a color gradient) */
.layerlines {
  background-image: repeating-linear-gradient(
    to bottom,
    var(--line-2) 0, var(--line-2) 1px,
    transparent 1px, transparent 7px
  );
}

/* fine technical grid */
.grid-bg {
  background-image:
    linear-gradient(to right, var(--line-2) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-2) 1px, transparent 1px);
  background-size: 44px 44px;
}

/* corner ticks */
.ticked { position: relative; }
.ticked::before, .ticked::after {
  content: ""; position: absolute; width: 12px; height: 12px;
  border-color: var(--signal); border-style: solid; pointer-events: none;
}
.ticked::before { top: 10px; left: 10px; border-width: 1.5px 0 0 1.5px; }
.ticked::after  { bottom: 10px; right: 10px; border-width: 0 1.5px 1.5px 0; }

/* buttons */
.btn {
  font-family: var(--mono);
  font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 600;
  display: inline-flex; align-items: center; gap: 12px;
  padding: 15px 24px;
  border: 1.5px solid var(--forge);
  background: var(--forge); color: var(--paper);
  text-decoration: none; cursor: pointer;
  border-radius: var(--r);
  transition: transform .14s ease, background .14s ease, color .14s ease, box-shadow .14s ease;
  white-space: nowrap;
}
.btn:hover { background: var(--forge-2); transform: translateY(-1px); }
.btn .arr { transition: transform .18s ease; }
.btn:hover .arr { transform: translateX(4px); }

.btn--signal { background: var(--signal); border-color: var(--signal); color: var(--forge-2); }
.btn--signal:hover { background: #43c47f; }

.btn--ghost { background: transparent; color: var(--forge); }
.btn--ghost:hover { background: rgba(21,64,45,0.06); color: var(--forge-2); }

.btn--lg { padding: 18px 30px; font-size: 13px; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(243,245,241,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__row {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand__mark {
  width: 30px; height: 30px; flex: none; position: relative;
}
.brand__name { font-weight: 800; font-size: 19px; letter-spacing: -0.03em; }
.brand__name b { color: var(--signal); -webkit-text-stroke: 0; }
.nav__links { display: flex; align-items: center; gap: 22px; }
.nav__links a {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; text-decoration: none; color: var(--muted);
  font-weight: 500; transition: color .14s ease; display: inline-flex; align-items: baseline; gap: 6px;
}
.nav__links a:hover { color: var(--ink); }
.lnk-num { font-style: normal; color: var(--signal); font-weight: 600; font-size: 10.5px; }
.nav__cta { display: flex; align-items: center; gap: 18px; }
.nav__menu { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }

@media (max-width: 1040px) {
  .nav__links { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero__inner {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(28px, 5vw, 72px);
  align-items: stretch;
  padding-block: clamp(56px, 8vw, 104px) clamp(48px, 7vw, 88px);
}
.hero__copy { align-self: center; }
.hero h1 {
  font-size: clamp(42px, 6.6vw, 86px);
  line-height: 0.98;
  margin-top: 22px;
  letter-spacing: -0.035em;
}
.hero h1 .hl { color: var(--forge); position: relative; white-space: nowrap; }
.hero__sub {
  margin-top: 26px; font-size: clamp(17px, 1.5vw, 20px); color: var(--muted);
  max-width: 30em; line-height: 1.5;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero__specs {
  margin-top: 40px; display: flex; flex-wrap: wrap; gap: 0;
  border-top: 1px solid var(--line);
}
.hero__spec {
  padding: 16px 22px 16px 0; margin-right: 22px; border-right: 1px solid var(--line);
}
.hero__spec:last-child { border-right: 0; }
.hero__spec .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
.hero__spec .v { font-weight: 700; font-size: 16px; margin-top: 4px; }

/* hero figure / technical drawing frame */
.hero__fig { position: relative; align-self: center; }
.tdraw {
  position: relative; border: 1px solid var(--line);
  background: var(--paper-2);
  aspect-ratio: 4 / 4.4;
}
.placeholder {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    45deg, var(--paper-3) 0, var(--paper-3) 10px, var(--paper-2) 10px, var(--paper-2) 20px
  );
  display: grid; place-content: center; gap: 8px; text-align: center; padding: 24px;
}
.placeholder .ph-tag {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--faint); text-transform: uppercase;
}
.placeholder .ph-tag b { color: var(--forge); }

/* dimension annotation */
.dim {
  position: absolute; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.1em; color: var(--faint); display: flex; align-items: center; gap: 6px;
}
.dim--top { top: -26px; left: 0; right: 0; justify-content: center; }
.dim--top::before, .dim--top::after { content:""; flex:1; height:1px; background: var(--line); }
.dim--right {
  top: 0; bottom: 0; right: -30px; writing-mode: vertical-rl; justify-content: center;
}
.dim--right::before, .dim--right::after { content:""; flex:1; width:1px; background: var(--line); }

.crosshair { position:absolute; width: 18px; height: 18px; pointer-events:none; }
.crosshair::before, .crosshair::after { content:""; position:absolute; background: var(--forge); }
.crosshair::before { left: 50%; top: 0; width:1px; height: 100%; transform: translateX(-.5px); }
.crosshair::after { top: 50%; left: 0; height:1px; width: 100%; transform: translateY(-.5px); }
.crosshair.tl { top:-9px; left:-9px; } .crosshair.tr { top:-9px; right:-9px; }
.crosshair.bl { bottom:-9px; left:-9px; } .crosshair.br { bottom:-9px; right:-9px; }

@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__fig { order: -1; max-width: 460px; }
}

/* ============================================================
   POSITIONING  (dark)
   ============================================================ */
.pos { background: var(--forge); color: var(--on-dark); position: relative; overflow:hidden; }
.pos__inner { padding-block: clamp(64px, 8vw, 116px); position: relative; z-index: 1; }
.pos .eyebrow { color: var(--signal); }
.pos .eyebrow::before { background: var(--signal); }
.pos h2 {
  font-size: clamp(32px, 4.6vw, 60px); margin-top: 22px; max-width: 16em; letter-spacing: -0.03em;
}
.pos h2 .strike { color: var(--on-dark-muted); position: relative; }
.pos h2 .strike::after {
  content:""; position:absolute; left:-2%; right:-2%; top: 52%; height: 3px; background: var(--signal);
}
.pos__lead { margin-top: 26px; max-width: 40em; color: var(--on-dark-muted); font-size: clamp(17px,1.5vw,20px); }

.props { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 60px;
  background: var(--line-dark); border: 1px solid var(--line-dark); }
.prop { background: var(--forge); padding: 30px 28px 34px; position: relative; }
.prop__n { font-family: var(--mono); font-size: 11px; letter-spacing:0.14em; color: var(--signal); }
.prop h3 { font-size: 24px; margin-top: 16px; letter-spacing:-0.02em; }
.prop p { margin-top: 12px; color: var(--on-dark-muted); font-size: 15.5px; line-height:1.5; }
.prop__bar { margin-top: 22px; height: 5px; background: var(--forge-3); position: relative; overflow:hidden; }
.prop__bar i { position:absolute; inset:0 35% 0 0; background: var(--signal); }

@media (max-width: 760px){ .props { grid-template-columns: 1fr; } }

/* ============================================================
   SERVICES
   ============================================================ */
.svc { padding-block: clamp(64px, 8vw, 116px); position: relative; }
.svc__head { display:flex; justify-content: space-between; align-items: flex-end; gap: 30px; flex-wrap: wrap; }
.svc__head h2 { font-size: clamp(30px, 4.4vw, 56px); margin-top: 20px; max-width: 12em; }
.svc__head p { color: var(--muted); max-width: 26em; }

.svc__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  margin-top: 56px; background: var(--line); border: 1px solid var(--line); }
.card { background: var(--paper); padding: 34px 30px 36px; position: relative; transition: background .18s ease; }
.card:hover { background: #fff; }
.card__n { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--forge); display:flex; align-items:center; justify-content: space-between; }
.card__n .dot { width: 8px; height: 8px; background: var(--signal); border-radius: 50%; }
.card h3 { font-size: 25px; margin-top: 22px; line-height: 1.08; }
.card p { color: var(--muted); margin-top: 14px; font-size: 15.5px; line-height: 1.55; }
.card__line { height: 1px; background: var(--line); margin-top: 26px; }

/* material chips */
.mats { display:flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.chip {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid var(--line); padding: 7px 11px; border-radius: var(--r);
  display:flex; align-items:center; gap: 8px; color: var(--ink);
}
.chip b { color: var(--forge); }
.chip .swatch { width: 9px; height: 9px; border-radius: 2px; }

.svc__feat { margin-top: 20px; display:flex; flex-direction: column; gap: 11px; }
.svc__feat li { list-style: none; padding-left: 22px; position: relative; font-size: 15px; color: var(--ink); }
.svc__feat li::before { content:""; position:absolute; left:0; top: 8px; width: 10px; height: 2px; background: var(--signal); }

@media (max-width: 860px){ .svc__grid { grid-template-columns: 1fr; } }

/* ============================================================
   PRINTEN BAND  (the biscuit story)
   ============================================================ */
.printen { background: var(--carbon); color: var(--on-dark); position: relative; overflow:hidden; }
.printen__inner { padding-block: clamp(60px, 7vw, 100px); display:grid;
  grid-template-columns: auto 1fr; gap: clamp(34px, 5vw, 72px); align-items: center; }

.seal {
  width: clamp(150px, 18vw, 210px); aspect-ratio: 1; flex: none; position: relative;
  border: 1.5px solid var(--signal); border-radius: 50%;
  display: grid; place-content: center; text-align: center;
}
.seal::after {
  content:""; position:absolute; inset: 12px; border: 1px solid var(--line-dark); border-radius: 50%;
}
.seal .seal__big { font-family: var(--mono); font-weight: 600; font-size: 34px; color: var(--signal); letter-spacing: -0.02em; line-height: 1; }
.seal .seal__sm { font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--on-dark-muted); margin-top: 10px; }

.printen .eyebrow { color: var(--signal); }
.printen .eyebrow::before { background: var(--signal); }
.printen h2 { font-size: clamp(28px, 3.8vw, 48px); margin-top: 20px; max-width: 16em; letter-spacing: -0.025em; }
.printen p { margin-top: 22px; max-width: 46em; color: var(--on-dark-muted); font-size: clamp(16px,1.4vw,18.5px); line-height: 1.6; }
.printen p .accent { color: var(--on-dark); font-weight: 600; }

@media (max-width: 760px){ .printen__inner { grid-template-columns: 1fr; justify-items:start; } }

/* ============================================================
   CONTACT / QUOTE FORM
   ============================================================ */
.contact { padding-block: clamp(64px, 8vw, 116px); }
.contact__inner { display:grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(34px, 5vw, 80px); }

.contact__aside h2 { font-size: clamp(30px, 4.2vw, 54px); margin-top: 20px; }
.contact__aside .lead { color: var(--muted); margin-top: 22px; max-width: 26em; }

.detail { margin-top: 36px; display:flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line); }
.detail__row { display:flex; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.detail__k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); width: 96px; flex:none; }
.detail__v { font-size: 16px; }
.detail__v a { color: var(--forge); text-decoration: none; border-bottom: 1px solid var(--signal); }
.detail__v a:hover { color: var(--forge-2); }

/* the form panel */
.form-panel { background: var(--paper-2); border: 1px solid var(--line); padding: clamp(24px, 3vw, 40px); border-radius: var(--r); position: relative; }
.form-panel .panel-tag { position:absolute; top:0; right: 0; transform: translateY(-50%);
  background: var(--forge); color: var(--paper); font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.16em; text-transform: uppercase; padding: 6px 12px; margin-right: 18px; }

.field { margin-bottom: 20px; }
.field label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); display:block; margin-bottom: 8px; }
.field label .req { color: var(--forge); }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--sans); font-size: 16px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  padding: 13px 14px; transition: border-color .14s ease, box-shadow .14s ease;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--forge); box-shadow: 0 0 0 3px rgba(79,209,139,0.22);
}
.field input.invalid, .field--err input, .field--err textarea { border-color: #c0392b; box-shadow: 0 0 0 3px rgba(192,57,43,0.14); }
.field .err-msg { color: #c0392b; font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; margin-top: 7px; display:none; }
.field--err .err-msg { display: block; }

.field-row { display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 520px){ .field-row { grid-template-columns: 1fr; } }

/* dropzone */
.drop {
  border: 1.5px dashed var(--line); border-radius: var(--r);
  background: var(--paper); padding: 26px 22px; text-align: center; cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.drop:hover { border-color: var(--forge); }
.drop.dragover { border-color: var(--signal); background: rgba(79,209,139,0.08); }
.drop__icon { width: 34px; height: 34px; margin: 0 auto 12px; position: relative; }
.drop__title { font-weight: 700; font-size: 15px; }
.drop__hint { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--faint); margin-top: 7px; text-transform: uppercase; }
.drop input[type=file] { display: none; }

.files { margin-top: 14px; display:flex; flex-direction: column; gap: 8px; }
.file-item {
  display:flex; align-items:center; gap: 12px; background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--r); padding: 10px 12px;
}
.file-item .fi-ic { width: 22px; height: 22px; flex:none; color: var(--forge); }
.file-item .fi-meta { flex: 1; min-width: 0; }
.file-item .fi-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-item .fi-size { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.file-item .fi-x { background:none; border:0; cursor:pointer; color: var(--muted); padding: 4px; line-height:0; border-radius: 3px; }
.file-item .fi-x:hover { color: #c0392b; background: rgba(192,57,43,0.08); }

.form-foot { display:flex; align-items:center; justify-content: space-between; gap: 18px; margin-top: 26px; flex-wrap: wrap; }
.form-foot .note { font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; color: var(--faint); max-width: 22em; }

/* success state */
.form-success { display: none; text-align: center; padding: 48px 20px; }
.form-success.show { display: block; }
.form-success .check {
  width: 60px; height: 60px; border-radius: 50%; border: 2px solid var(--signal);
  display:grid; place-content:center; margin: 0 auto 22px; color: var(--forge);
}
.form-success h3 { font-size: 26px; }
.form-success p { color: var(--muted); margin-top: 14px; max-width: 26em; margin-inline: auto; }
.form-success .ref { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: var(--forge); margin-top: 22px; }

.form-fields.hide { display: none; }

@media (max-width: 900px){ .contact__inner { grid-template-columns: 1fr; } }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--forge-2); color: var(--on-dark); border-top: 1px solid var(--line-dark); }
.footer__inner { padding-block: clamp(48px, 6vw, 76px) 30px; }
.footer__top { display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
.footer__brand .brand__name { color: var(--on-dark); font-size: 22px; }
.footer__brand p { color: var(--on-dark-muted); margin-top: 16px; max-width: 26em; font-size: 15px; }
.fcol h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--signal); margin: 0 0 16px; font-weight: 600; }
.fcol a, .fcol p { display:block; color: var(--on-dark-muted); text-decoration: none; font-size: 15px; margin-bottom: 10px; }
.fcol a:hover { color: var(--on-dark); }
.fcol a .lnk-num { font-size: 12px; margin-right: 4px; }
.footer__bar { display:flex; justify-content: space-between; align-items:center; gap: 20px; flex-wrap: wrap;
  margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line-dark); }
.footer__bar p { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--on-dark-muted); text-transform: uppercase; }
.footer__legal { display:flex; gap: 22px; }
.footer__legal a { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-dark-muted); text-decoration: none; }
.footer__legal a:hover { color: var(--signal); }
@media (max-width: 760px){ .footer__top { grid-template-columns: 1fr 1fr; } .footer__brand { grid-column: 1 / -1; } }

/* ============================================================
   LEGAL PAGES (Impressum / Datenschutz)
   ============================================================ */
.legal { padding-block: clamp(48px, 7vw, 92px) clamp(56px, 8vw, 104px); }
.legal__head { max-width: 760px; }
.legal__head h1 { font-size: clamp(34px, 5.4vw, 64px); margin-top: 22px; letter-spacing: -0.03em; }
.legal__head .sub { color: var(--muted); margin-top: 18px; font-size: 17px; }

.disclaimer {
  max-width: 760px; margin-top: 30px; padding: 16px 18px; border-radius: var(--r);
  background: rgba(79,209,139,0.10); border: 1px solid rgba(21,64,45,0.25);
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em; line-height: 1.6; color: var(--forge);
}

.prose { max-width: 760px; margin-top: 8px; }
.prose h2 {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--forge); font-weight: 600; margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line);
  display:flex; align-items:center; gap: 10px;
}
.prose h2::before { content:""; width: 22px; height: 2px; background: var(--signal); display:inline-block; }
.prose h3 { font-size: 17px; margin-top: 26px; font-weight: 700; letter-spacing: -0.01em; }
.prose p, .prose li { color: var(--muted); font-size: 16px; line-height: 1.65; margin-top: 12px; }
.prose ul { margin: 4px 0 0; padding-left: 20px; }
.prose li { margin-top: 8px; }
.prose a { color: var(--forge); text-decoration: none; border-bottom: 1px solid var(--signal); }
.prose a:hover { color: var(--forge-2); }
.prose .ph { color: var(--forge); font-family: var(--mono); font-size: 14px; background: var(--paper-2); padding: 1px 6px; border-radius: 3px; border: 1px solid var(--line); }

.dl { margin-top: 14px; display: grid; grid-template-columns: 200px 1fr; gap: 0; border-top: 1px solid var(--line); }
.dl dt { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint);
  padding: 14px 0; border-bottom: 1px solid var(--line); }
.dl dd { margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; color: var(--ink); }
@media (max-width: 560px){ .dl { grid-template-columns: 1fr; } .dl dt { padding-bottom: 2px; border-bottom: 0; } .dl dd { padding-top: 4px; } }

.backlink { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); text-decoration: none; display:inline-flex; align-items:center; gap: 8px; }
.backlink:hover { color: var(--forge); }

/* honeypot — visually + a11y hidden, still submitted */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* submit button busy state */
.btn.is-busy { opacity: .7; pointer-events: none; }

/* soft server error notice */
.form-error {
  display: none; margin-top: 16px; padding: 12px 14px; border-radius: var(--r);
  background: rgba(192,57,43,0.08); border: 1px solid rgba(192,57,43,0.4);
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.03em; color: #a3301f;
}
.form-error.show { display: block; }
.form-error a { color: #a3301f; }

/* reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){ .reveal { opacity:1; transform:none; transition:none; } html{scroll-behavior:auto;} }