/* Bauer Bern: Signaletik. Schnittmarken, Folienfächer, kondensierte Grotesk. */

:root {
  --ink: #111111;
  --paper: #f3efe6;
  --paper2: #e8e2d4;
  --signal: #ff5a1f;
  --orange: #ff5a1f;
  --blue: #1f5fff;
  --yellow: #ffd21f;
  --green: #14a36b;
  --black: #2a2d31;
  --white: #f4f4f1;

  --font-display: "Barlow Condensed", "Bahnschrift", "Arial Narrow", Impact, sans-serif;
  --font-text: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --gutter: 16px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 1.0625rem;
  line-height: 1.55;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }

:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }

.wrap { width: min(1200px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.narrow { width: min(760px, 100% - 2 * var(--gutter)); }

/* Typografie */
h1, h2, h3, .kicker, .btn, .nav, .brand__name, .steps__n, .num, .chips, .tile span, .swatch, .pill, .ticker {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: .02em;
}
h1, h2, h3 { margin: 0; line-height: .95; font-weight: 700; }

.h2 { font-size: clamp(2.25rem, 6vw, 4rem); margin-bottom: 1.5rem; display: flex; gap: .6em; align-items: baseline; }
.h3 { font-size: 1.5rem; margin-bottom: .75rem; }
.num { color: var(--signal); font-size: .5em; letter-spacing: .08em; }
.intro { max-width: 60ch; margin: 0 0 2rem; font-size: 1.15rem; }
.note { font-size: .9rem; opacity: .7; margin: 1rem 0 3rem; }

/* Kopf */
.top {
  position: sticky; top: 0; z-index: 50;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px;
  padding: 10px var(--gutter);
  background: var(--ink); color: var(--paper);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__mark {
  width: 22px; height: 22px; background: var(--signal);
  clip-path: polygon(0 0, 70% 0, 100% 30%, 100% 100%, 0 100%);
}
.brand__name { font-size: 1.4rem; font-weight: 700; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 1.05rem; }
.nav a { text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { border-color: var(--signal); }
.nav__cta { background: var(--signal); color: var(--ink); padding: 4px 12px !important; border: 0 !important; }

/* Hero */
.hero { background: var(--ink); color: var(--paper); position: relative; overflow: hidden; }
.hero__inner { position: relative; padding: clamp(56px, 10vw, 120px) 0 clamp(56px, 8vw, 96px); }
.hero__inner::before, .hero__inner::after {
  content: ""; position: absolute; width: 28px; height: 28px; border: 2px solid var(--paper); opacity: .5;
}
.hero__inner::before { left: -4px; top: 24px; border-right: 0; border-bottom: 0; }
.hero__inner::after { left: -4px; bottom: 24px; border-right: 0; border-top: 0; }
.kicker { font-size: 1.1rem; color: var(--signal); margin: 0 0 1rem; }
.hero h1 { font-size: clamp(3.4rem, 15vw, 11.5rem); line-height: .95; }
.h1__line { display: block; }
.h1__line--accent { color: var(--signal); }
.lead { max-width: 52ch; font-size: clamp(1.1rem, 2.4vw, 1.4rem); margin: 2rem 0; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 0; }
.regmark { position: absolute; right: 0; top: clamp(24px, 6vw, 72px); width: clamp(56px, 10vw, 120px); color: var(--paper); opacity: .35; }

.btn {
  display: inline-block; padding: 12px 22px; font-size: 1.15rem; font-weight: 700;
  border: 2px solid transparent; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--signal { background: var(--signal); color: var(--ink); }
.btn--line { border-color: var(--paper); color: var(--paper); background: transparent; }
.btn--line:hover { background: var(--paper); color: var(--ink); }
.btn--ink { background: var(--ink); color: var(--paper); }

/* Ticker */
.ticker { border-top: 2px solid var(--signal); overflow: hidden; white-space: nowrap; background: var(--signal); color: var(--ink); }
.ticker__track { display: inline-flex; gap: 2.5rem; padding: 10px 0; font-size: 1.3rem; font-weight: 700; animation: fahrt 40s linear infinite; }
.ticker__track span::after { content: "✕"; margin-left: 2.5rem; }
@keyframes fahrt { to { transform: translateX(-50%); } }

/* Sektionen */
.section { padding: clamp(56px, 9vw, 110px) 0; }
.section--dark { background: var(--ink); color: var(--paper); }
.section--paper2 { background: var(--paper2); }
.section--signal { background: var(--signal); }
.section--signal .num { color: var(--ink); }

/* Leistungen als Folienfächer */
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  position: relative; padding: 28px 22px 32px; min-height: 260px; color: var(--ink);
  border-top: 14px solid var(--ink);
  transition: transform .2s ease;
}
.card h3 { font-size: 2.2rem; margin-bottom: .75rem; }
.card p { margin: 0; }
.card::after {
  content: ""; position: absolute; right: 0; bottom: 0; width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--paper) 50%, rgba(0,0,0,.28) 50%);
  transition: width .2s ease, height .2s ease;
}
.card:hover { transform: translateY(-4px); }
.card:hover::after { width: 64px; height: 64px; }
.card--orange { background: var(--orange); }
.card--blue { background: var(--blue); color: var(--white); }
.card--yellow { background: var(--yellow); }
.card--green { background: var(--green); color: var(--white); }

/* Folie wählen */
.studio { display: grid; gap: 40px; align-items: center; }
.studio__text p { max-width: 46ch; }
fieldset.swatches { border: 0; padding: 0; margin: 1.5rem 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.swatches legend { font-family: var(--font-display); font-stretch: condensed; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; padding: 0; }
.swatch, .pill {
  border: 2px solid var(--paper); background: transparent; color: var(--paper);
  padding: 8px 14px; cursor: pointer; font-size: 1.05rem; font-weight: 700;
}
.swatch { padding-left: 38px; position: relative; }
.swatch::before { content: ""; position: absolute; left: 8px; top: 50%; width: 20px; height: 20px; margin-top: -10px; background: currentColor; }
.swatch--orange::before { background: var(--orange); }
.swatch--blue::before { background: var(--blue); }
.swatch--yellow::before { background: var(--yellow); }
.swatch--green::before { background: var(--green); }
.swatch--black::before { background: var(--black); outline: 1px solid var(--paper); }
.swatch--white::before { background: var(--white); }
.swatch[aria-pressed="true"], .pill[aria-pressed="true"] { background: var(--paper); color: var(--ink); }

.van { margin: 0; --foil: var(--orange); --pat: var(--ink); }
.van[data-wrap="blue"] { --foil: var(--blue); --pat: var(--white); }
.van[data-wrap="yellow"] { --foil: var(--yellow); --pat: var(--ink); }
.van[data-wrap="green"] { --foil: var(--green); --pat: var(--white); }
.van[data-wrap="black"] { --foil: var(--black); --pat: var(--signal); }
.van[data-wrap="white"] { --foil: var(--white); --pat: var(--blue); }
.van__foil { fill: var(--foil); transition: fill .3s ease; }
.van__ink { fill: var(--pat); }
.van__pat { opacity: 0; transition: opacity .3s ease; }
.van[data-pattern="stripes"] .van__pat--stripes, .van[data-pattern="dots"] .van__pat--dots { opacity: .9; }
.van__edge { stroke: #000; stroke-opacity: .5; stroke-width: 3; }
.van__glass { fill: #243242; }
.van__label { fill: var(--paper); opacity: .92; }
.van__text { font-family: var(--font-display); font-weight: 700; font-size: 26px; letter-spacing: .04em; fill: var(--ink); }
.van__wheel circle:first-child { fill: #15171a; }
.van__hub { fill: #9aa0a6; }
.van__shadow { fill: #000; opacity: .35; }
.van figcaption { font-size: .85rem; opacity: .7; margin-top: 8px; }

/* Projekte */
.tiles { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.tile { position: relative; aspect-ratio: 4 / 3; display: flex; align-items: flex-end; padding: 14px; border: 2px solid var(--ink); overflow: hidden; }
.tile span { position: relative; background: var(--paper); padding: 4px 10px; font-size: 1.3rem; font-weight: 700; }
.tile--a { background: repeating-linear-gradient(-30deg, var(--orange) 0 18px, var(--paper) 18px 36px); }
.tile--b { background: radial-gradient(circle, var(--blue) 30%, transparent 31%) 0 0 / 28px 28px, var(--paper2); }
.tile--c { background: repeating-linear-gradient(0deg, var(--black) 0 10px, var(--paper2) 10px 40px); }
.tile--d { background: linear-gradient(90deg, var(--yellow) 0 50%, var(--ink) 50% 100%); }
.tile--e { background: repeating-linear-gradient(45deg, var(--green) 0 8px, var(--paper) 8px 16px); }
.tile--f { background: var(--ink); color: var(--signal); }
.tile--f::before { content: "OPEN"; position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--font-display); font-size: 5rem; font-weight: 700; color: var(--signal); text-shadow: 0 0 18px var(--signal); }

.twocol { display: grid; gap: 40px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { border: 2px solid var(--ink); padding: 4px 12px; font-size: 1.05rem; font-weight: 700; }
.chips--ink li { background: var(--ink); color: var(--paper); }

/* Ablauf */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); counter-reset: s; }
.steps li { border-top: 6px solid var(--ink); padding-top: 14px; }
.steps__n { display: block; font-size: 4.5rem; font-weight: 700; line-height: 1; color: var(--signal); }
.steps h3 { font-size: 1.6rem; margin: .25rem 0 .5rem; }
.steps p { margin: 0; }

/* FAQ */
details { border-bottom: 2px solid var(--ink); padding: 14px 0; }
summary { cursor: pointer; font-weight: 700; font-size: 1.1rem; }
details p { margin: .75rem 0 0; }

/* Formular */
.form { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
.form label { display: grid; gap: 4px; font-weight: 700; }
.form__wide { grid-column: 1 / -1; }
.form input, .form select, .form textarea { padding: 10px 12px; border: 2px solid var(--ink); background: var(--paper); color: var(--ink); border-radius: 0; }
.form .btn { justify-self: start; }
.form__status { grid-column: 1 / -1; margin: 0; font-weight: 700; min-height: 1.5em; }
@media (max-width: 600px) { .form { grid-template-columns: 1fr; } }

/* Fuss */
.foot { background: var(--ink); color: var(--paper); padding: 28px 0; font-size: .95rem; }
.foot__inner { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.foot p { margin: 0; }
.linkbtn { background: none; border: 0; color: inherit; text-decoration: underline; cursor: pointer; padding: 0; }

dialog { border: 3px solid var(--ink); background: var(--paper); color: var(--ink); max-width: 480px; padding: 24px; }
dialog::backdrop { background: rgba(0, 0, 0, .6); }
dialog h2 { font-size: 2rem; margin-bottom: 1rem; }

/* Grösserer Bildschirm */
@media (min-width: 860px) {
  :root { --gutter: 32px; }
  .studio { grid-template-columns: 1fr 1.2fr; }
}

/* Einblenden beim Scrollen, nur mit JavaScript und ohne reduzierte Bewegung */
@media (scripting: enabled) and (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(28px); transition: opacity .5s ease, transform .5s ease; }
  .reveal.is-visible { opacity: 1; transform: none; }
  .cards .reveal:nth-child(2), .tiles .reveal:nth-child(2), .steps .reveal:nth-child(2) { transition-delay: .08s; }
  .cards .reveal:nth-child(3), .tiles .reveal:nth-child(3), .steps .reveal:nth-child(3) { transition-delay: .16s; }
  .cards .reveal:nth-child(4), .tiles .reveal:nth-child(4), .steps .reveal:nth-child(4) { transition-delay: .24s; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker__track { animation: none; }
  * { transition: none !important; }
}