/* ═══════════════════════════════════════════════
   GLOBAL STYLES · Ideall Engineering GmbH
   Palette carried over from the previous ideall.ch
   (teal, gold, plum, terracotta, sage) on warm paper.
   ═══════════════════════════════════════════════ */

:root {
  --teal:       #4A7B7F;
  --teal-deep:  #3A6367;
  --teal-pale:  #E4EEED;
  --gold:       #BE9645;
  --gold-deep:  #9A7733;
  --gold-pale:  #F5ECD8;
  --plum:       #54374F;
  --plum-deep:  #3E2839;
  --plum-ink:   #2A1B27;
  --berry:      #844564;
  --terra:      #BD6D4F;
  --tan:        #C28254;
  --sage:       #B0BFA9;
  --sage-grey:  #7D928D;

  --paper:      #F5F2EC;
  --paper-2:    #ECE7DE;
  --card:       #FFFDF9;
  --ink:        #221C22;
  --muted:      #655E67;
  --rule:       rgba(34, 28, 34, 0.10);
  --rule-strong:rgba(34, 28, 34, 0.20);

  --shadow-sm:  0 1px 2px rgba(42,27,39,.05), 0 6px 20px rgba(42,27,39,.06);
  --shadow-md:  0 2px 6px rgba(42,27,39,.06), 0 18px 44px rgba(42,27,39,.12);

  --r:     14px;
  --r-sm:  8px;
  --cut:   22px;
  --nav-h: 92px;

  --font:  'Lexend Deca', system-ui, sans-serif;
  --serif: 'Fraunces', Georgia, serif;
}

/* ─── RESET ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 17px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
strong { font-weight: 600; }
[hidden] { display: none !important; }

/* Paper grain, sits above everything but never catches clicks. */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9000;
  opacity: .055;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ─── TYPE ──────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}
h1 em, h2 em, h3 em, .serif-em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0;
  font-variation-settings: 'opsz' 120;
}
.section-heading { font-size: clamp(1.85rem, 3.3vw, 2.7rem); max-width: 22ch; margin-bottom: .75rem; }
.lead { font-size: 1.08rem; color: var(--muted); max-width: 58ch; line-height: 1.65; }
.tagline { font-size: .84rem; color: var(--muted); letter-spacing: .01em; }

.overline {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}
.overline::before { content: '['; color: var(--gold); font-weight: 500; }
.overline::after  { content: ']'; color: var(--gold); font-weight: 500; }
.overline-light { color: var(--sage); }

/* ─── LAYOUT ────────────────────────────────── */
.container { position: relative; width: min(1200px, 100%); margin-inline: auto; padding-inline: 2.5rem; }

/* ─── OLD-SITE ELEMENTS: vertical section label, simple titles, icon mark ─── */
main { position: relative; }
.page-label { position: sticky; top: calc(var(--nav-h) + 1.6rem); height: 0; z-index: 5; pointer-events: none; }
.vtitle {
  position: absolute; top: 0; left: calc((100% - 1200px) / 2 - 4.4rem);
  writing-mode: vertical-rl; transform: rotate(180deg);
  font-size: 1.9rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink); line-height: 1; white-space: nowrap;
  border-left: 4px solid var(--ink); padding-left: .85rem;
  user-select: none;
  opacity: 0; transition: opacity .35s ease, color .3s ease, border-color .3s ease;
}
.page-label.show .vtitle { opacity: 1; }
.page-mark { position: absolute; top: 0; right: calc((100% - 1200px) / 2 - 4.4rem); width: 46px; color: var(--ink); transition: color .3s ease; }
.page-label.on-dark .page-mark { color: #fff; }
.page-label.on-dark .vtitle { color: #fff; border-color: var(--gold); }
.vtitle-light { color: #fff; border-color: var(--gold); }
.title-simple {
  display: inline-block;
  font-size: clamp(1.7rem, 2.8vw, 2.3rem);
  font-weight: 500; letter-spacing: .06em; text-transform: uppercase; line-height: 1.1;
  padding-bottom: .4rem; border-bottom: 3px solid var(--ink);
  margin-bottom: 1.1rem;
}
.title-simple-light { color: #fff; border-color: var(--gold); }
.title-simple + .lead { margin-bottom: 2.25rem; }
.mark-svg { display: block; width: 100%; height: auto; }
.kontakt-mark { width: 92px; color: #fff; margin-bottom: 1.6rem; }
@media (max-width: 1439px) { .page-label { display: none; } }
.section    { padding-block: clamp(4rem, 8vw, 6.5rem); }
.section-sm { padding-block: clamp(3rem, 6vw, 4.5rem); }
.split-head {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 3rem;
  align-items: end;
}
.split-head .lead { padding-bottom: .4rem; }

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 999;
  background: var(--plum); color: #fff; padding: .6rem 1rem; border-radius: var(--r-sm);
}
.skip-link:focus { top: 1rem; }

/* ─── MOTIFS ────────────────────────────────── */
/* Cut corner (top right), echoing the old site's diagonal cards. */
.cut { clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%); }

/* Bracket corners, echoing the logo. */
.frame { position: relative; }
.frame::before, .frame::after {
  content: '';
  position: absolute;
  width: 36px; height: 36px;
  border: 3px solid var(--gold);
  pointer-events: none;
  z-index: 2;
}
.frame::before { top: -12px; left: -12px; border-right: 0; border-bottom: 0; }
.frame::after  { bottom: -12px; right: -12px; border-left: 0; border-top: 0; }

/* ─── BUTTONS ───────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 600;
  font-size: .93rem;
  line-height: 1;
  padding: .95rem 1.6rem;
  border: 1.5px solid transparent;
  border-radius: 6px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: background .18s ease, color .18s ease, transform .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-sm { padding: .7rem 1.15rem; font-size: .86rem; }
.btn-arrow::after { content: '→'; transition: transform .2s ease; }
.btn-arrow:hover::after { transform: translateX(4px); }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--teal); color: #fff; border-color: var(--teal); }
.btn-primary:hover { background: var(--teal-deep); border-color: var(--teal-deep); }
.btn-gold { background: var(--gold); color: #fff; border-color: var(--gold); }
.btn-gold:hover { background: #D1A954; border-color: #D1A954; }
.btn-ghost { position: relative; background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn-ghost:hover { border-color: var(--ink); background: rgba(34,28,34,.04); }
/* The clip-path removes the border along the cut corner; draw that diagonal edge. */
.btn-ghost::before {
  content: ''; position: absolute; right: -4px; top: 3.75px;
  width: 17px; height: 1.5px; background: var(--rule-strong);
  transform: rotate(45deg); transform-origin: center; pointer-events: none;
  transition: background .18s ease;
}
.btn-ghost:hover::before { background: var(--ink); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-weight: 600;
  font-size: .92rem;
  color: var(--teal);
}
.link-arrow::after { content: '→'; transition: transform .2s ease; }
.link-arrow:hover::after { transform: translateX(4px); }
.link-arrow:hover { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1.5px; }

/* ─── NAV ───────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(245, 242, 236, .86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule);
  transition: box-shadow .2s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.nav-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  height: var(--nav-h);
}
.nav-logo { display: inline-flex; align-items: center; color: var(--ink); }
.nav-logo .logo-svg { height: 46px; width: auto; }
.nav-links { display: flex; justify-content: center; gap: 2rem; }
.nav-links a {
  position: relative;
  font-size: .92rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .35rem 0;
  color: var(--ink);
}
.nav-links a::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform .22s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-right { display: flex; align-items: center; gap: .9rem; justify-content: flex-end; }
.nav-lang {
  font-size: .78rem; font-weight: 600; letter-spacing: .1em;
  padding: .42rem .6rem;
  border: 1px solid var(--rule-strong);
  border-radius: 6px;
  color: var(--muted);
  transition: color .15s, border-color .15s;
}
.nav-lang:hover { color: var(--ink); border-color: var(--ink); }
.nav-mobile-btn { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 8px; color: var(--ink); }
.nav-mobile-btn:hover { background: rgba(34,28,34,.06); }

.nav-mobile-menu {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0; bottom: 0;
  z-index: 190;
  background: var(--paper);
  padding: 1.5rem 2.5rem 2.5rem;
  display: flex; flex-direction: column; justify-content: space-between;
  opacity: 0; transform: translateY(-8px); pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.nav-mobile-menu.open { opacity: 1; transform: none; pointer-events: auto; }
.nav-mobile-links a {
  display: block;
  font-size: 1.6rem; font-weight: 600; letter-spacing: -.01em;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
}
.nav-mobile-links a.active { color: var(--teal); }
.nav-mobile-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 1.5rem; }
.nav-mobile-lang { font-weight: 600; color: var(--muted); text-decoration: underline; text-underline-offset: 4px; }
body.menu-open { overflow: hidden; }

/* ─── PROJECT CARD (shared) ─────────────────── */
.pcard {
  --accent: var(--teal);
  display: flex; flex-direction: column;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.pcard-media { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper-2); }
.pcard-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.pcard:hover .pcard-media img { transform: scale(1.03); }
.pcard-panel {
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.5), transparent 55%),
    color-mix(in srgb, var(--accent) 16%, var(--card));
  background-image:
    radial-gradient(rgba(34,28,34,.08) 1px, transparent 1px),
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.5), transparent 55%);
  background-size: 18px 18px, auto;
}
.pcard-panel svg { width: 42%; height: auto; max-height: 70%; }
.pcard-media-logo { display: flex; align-items: center; justify-content: center; padding: 1.6rem 2rem; background: #fff; }
.pcard-media-logo img, .pcard-media-logo .logo-box { width: 100%; height: auto; max-width: 240px; object-fit: contain; }
.lufta-logo { width: 100%; height: auto; display: block; }
.pcard-media-fit { display: flex; align-items: center; justify-content: center; padding: .9rem; background: #fff; }
.pcard-media-fit img { width: 100%; height: 100%; object-fit: contain; }
.pcard-body { display: flex; flex-direction: column; padding: 1.4rem 1.5rem 1.6rem; flex: 1; }
.pcard-kicker {
  font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent);
}
.pcard-body h3 { font-size: 1.22rem; margin: .5rem 0 .55rem; }
.pcard-body h3 a:hover { color: var(--teal); }
.pcard-body p { color: var(--muted); font-size: .93rem; margin-bottom: 1.1rem; }
.pcard-body .link-arrow { margin-top: auto; }

/* ─── REVEAL ────────────────────────────────── */
[data-anim] { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1); }
[data-anim].visible { opacity: 1; transform: none; }
[data-delay="1"] { transition-delay: .08s; }
[data-delay="2"] { transition-delay: .17s; }
[data-delay="3"] { transition-delay: .26s; }
[data-delay="4"] { transition-delay: .35s; }
@media (prefers-reduced-motion: reduce) { [data-anim] { opacity: 1; transform: none; transition: none; } }

/* ─── KONTAKT ───────────────────────────────── */
.kontakt {
  background:
    radial-gradient(60% 70% at 100% 0%, rgba(132,69,100,.45), transparent 70%),
    radial-gradient(40% 40% at 0% 100%, rgba(74,123,127,.35), transparent 70%),
    var(--plum);
  color: #fff;
  position: relative;
}
.kontakt .section-heading, .kontakt h2 { color: #fff; }
.kontakt .lead { max-width: 46ch; }
.kontakt .lead { color: rgba(255,255,255,.78); margin-bottom: 2.25rem; }
.kontakt-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 4rem; align-items: start; }
.kontakt-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem 1.5rem; }
.kontakt-facts dt { font-size: .7rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); margin-bottom: .3rem; }
.kontakt-facts dd { font-size: .93rem; color: rgba(255,255,255,.88); line-height: 1.55; }
.kontakt-facts a:hover { text-decoration: underline; text-underline-offset: 4px; }
.kontakt-facts .sep { display: none; }
.theme-dark .kontakt-facts .sep { display: inline; }

.kontakt-form {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r);
  padding: 2rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
/* Floating labels: label sits inside the field and lifts on focus or when filled. */
.field { position: relative; margin-bottom: 1.1rem; }
.field input, .field select, .field textarea {
  font: inherit; font-size: .96rem;
  color: #fff;
  background: rgba(255,255,255,.07);
  border: 1.5px solid rgba(255,255,255,.16);
  border-radius: 10px;
  padding: 1.45rem .95rem .55rem;
  width: 100%;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.field label {
  position: absolute; left: .95rem; top: 1rem;
  font-size: .95rem; color: rgba(255,255,255,.55);
  pointer-events: none; transform-origin: left top;
  transition: transform .15s ease, color .15s ease, top .15s ease;
}
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label,
.field-select label {
  top: .5rem; transform: scale(.74); color: var(--gold); letter-spacing: .04em; font-weight: 500;
}
.field input::placeholder { color: transparent; }
.field textarea { resize: vertical; min-height: 96px; line-height: 1.5; }
.field textarea::placeholder { color: transparent; transition: color .15s; }
.field textarea:focus::placeholder { color: rgba(255,255,255,.4); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(190,150,69,.25);
  background: rgba(255,255,255,.1);
}
.field select {
  appearance: none; -webkit-appearance: none;
  padding-right: 2.5rem; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23BE9645' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .95rem center;
}
.field select option { color: var(--ink); background: #fff; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; margin-top: .25rem; }
.form-notes { display: flex; flex-direction: column; gap: .2rem; }
.form-note { font-size: .78rem; color: rgba(255,255,255,.6); }
.form-note a { text-decoration: underline; text-underline-offset: 3px; }

.kontakt-page { min-height: calc(100vh - var(--nav-h)); display: flex; align-items: center; }
.kontakt-page > .container { width: min(1200px, 100%); }

/* ─── FOOTER ────────────────────────────────── */
.footer { background: var(--plum-ink); color: rgba(255,255,255,.72); padding: 3.5rem 0 2rem; font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 2.5rem; }
.footer-logo { display: inline-block; color: #fff; margin-bottom: 1rem; }
.footer-logo .logo-svg { height: 36px; width: auto; }
.footer-tagline { max-width: 34ch; line-height: 1.6; }
.footer-col h5 { font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); margin-bottom: 1rem; }
.footer-col li { margin-bottom: .5rem; line-height: 1.55; }
.footer-col a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
  margin-top: 3rem; padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .82rem;
}
.footer-bottom a:hover { color: #fff; }
.footer-separator { margin: 0 .6rem; }

/* ─── RESPONSIVE ────────────────────────────── */
@media (max-width: 1000px) {
  .nav-inner { grid-template-columns: auto 1fr; }
  .nav-links, .nav-cta { display: none; }
  .nav-mobile-btn { display: inline-flex; }
  .split-head { grid-template-columns: 1fr; gap: 1rem; }
  .kontakt-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  html { font-size: 16px; }
  .container { padding-inline: 1.25rem; }
  .nav-mobile-menu { padding-inline: 1.25rem; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .kontakt-form { padding: 1.4rem; }
  .kontakt-facts { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .frame::before, .frame::after { width: 26px; height: 26px; }
  .frame::before { top: -8px; left: -8px; }
  .frame::after { bottom: -8px; right: -8px; }
}