/* Atelier Farbton – Demo-Konzept von SPAQI LABS. Light, warm, confident craft. */
:root {
  --paper: #f3efe7; --paper-2: #ebe5d9; --ink: #1d1f1c; --ink-2: #4c4f49; --muted: #7b7a72;
  --green: #2f3b36; --green-2: #3d4c45; --terra: #c4532f; --terra-2: #a8441f; --line: rgba(29, 31, 28, .12);
  --wrap: 1180px; --gutter: clamp(20px, 5vw, 44px); --r: 22px; --ease: cubic-bezier(.22, 1, .36, 1);
  --sans: "Inter", "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color-scheme: light;
}
* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; letter-spacing: -.035em; line-height: 1.04; font-weight: 700; }
p { margin: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2.5px solid var(--terra); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: calc(var(--wrap) + 2 * var(--gutter)); margin: 0 auto; padding-inline: var(--gutter); }

/* demo marking */
.demo-bar { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 4px 18px; padding: 9px var(--gutter); background: var(--green); color: #dfe6e1; font-size: 13.5px; text-align: center; }
.demo-bar b { color: #fff; font-weight: 600; }
.demo-bar a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.demo-badge { position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); z-index: 40; padding: 9px 14px; border-radius: 999px; background: var(--green); color: #fff; font-size: 12.5px; font-weight: 600; letter-spacing: .02em; border: 1px solid rgba(255, 255, 255, .28); box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .45); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px; border-radius: 999px; border: 1.5px solid transparent; font-weight: 600; font-size: 15.5px; letter-spacing: -.01em; cursor: pointer; transition: transform .35s var(--ease), background .3s, color .3s, border-color .3s, box-shadow .35s var(--ease); }
.btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: scale(.98); }
.btn-accent { background: var(--terra); color: #fff; box-shadow: 0 10px 26px -12px rgba(196, 83, 47, .8); }
.btn-accent:hover { background: var(--terra-2); box-shadow: 0 14px 34px -12px rgba(196, 83, 47, .9); }
.btn-dark { background: var(--green); color: #fff; }
.btn-dark:hover { background: var(--ink); }
.btn-line { border-color: rgba(29, 31, 28, .25); }
.btn-line:hover { border-color: var(--ink); background: rgba(29, 31, 28, .04); }
.btn-line-light { border-color: rgba(255, 255, 255, .3); color: #fff; background: transparent; }
.btn-line-light:hover { border-color: #fff; }

/* nav */
.nav { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 28px; height: 76px; padding: 0 max(var(--gutter), calc((100vw - var(--wrap)) / 2)); background: rgba(243, 239, 231, .86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s, height .3s; }
.nav.is-scrolled { border-bottom-color: var(--line); height: 66px; }
.logo { display: inline-flex; align-items: center; gap: 11px; font-size: 19px; letter-spacing: -.02em; min-height: 44px; }
.logo svg { width: 36px; height: 36px; }
.logo b { font-weight: 800; }
.links { display: flex; gap: 4px; margin-left: auto; }
.links a { padding: 9px 14px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--ink-2); transition: background .25s, color .25s; }
.links a:hover { background: rgba(29, 31, 28, .06); color: var(--ink); }
.nav-cta { min-height: 44px; padding: 0 20px; font-size: 14.5px; }
.burger { display: none; margin-left: auto; position: relative; width: 46px; height: 46px; border-radius: 50%; border: 1.5px solid var(--line); background: transparent; cursor: pointer; }
.burger span { position: absolute; left: 14px; right: 14px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .35s var(--ease), top .35s var(--ease); }
.burger span:first-child { top: 18px; } .burger span:last-child { top: 26px; }
.burger[aria-expanded="true"] span:first-child { top: 22px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { top: 22px; transform: rotate(-45deg); }
.menu { position: fixed; inset: 0; z-index: 25; display: flex; flex-direction: column; justify-content: center; gap: 4px; padding: 100px var(--gutter) 40px; background: var(--paper); }
.menu a:not(.btn) { font-size: 36px; font-weight: 700; letter-spacing: -.03em; padding: 10px 0; border-bottom: 1px solid var(--line); }
.menu .btn { margin-top: 26px; }

/* reveal */
.reveal, .up { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease) var(--d, 0s), transform .9s var(--ease) var(--d, 0s); }
.reveal.is-in, .is-loaded .up { opacity: 1; transform: none; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--terra); margin-bottom: 18px; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }
.eyebrow.light { color: #f0a383; }
.head { margin-bottom: clamp(40px, 6vw, 72px); }
.head.center { text-align: center; }
.head h2 { font-size: clamp(36px, 5vw, 62px); }
section { position: relative; }

/* hero */
.hero { padding: clamp(40px, 6vw, 80px) 0 clamp(70px, 9vw, 120px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 70px); align-items: center; }
.hero h1 { font-size: clamp(48px, 7.2vw, 100px); letter-spacing: -.055em; line-height: .96; font-weight: 800; }
.stroke { position: relative; color: var(--terra); white-space: nowrap; }
.stroke::after { content: ""; position: absolute; left: -2%; right: -2%; bottom: .04em; height: .16em; border-radius: 1em; background: var(--terra); opacity: .22; transform-origin: left; transform: scaleX(0); transition: transform 1.2s var(--ease) .9s; }
.is-loaded .stroke::after { transform: scaleX(1); }
.lead { margin-top: 26px; max-width: 520px; font-size: clamp(17px, 1.5vw, 20px); color: var(--ink-2); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.facts { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 46px 0 0; padding: 0; border-top: 1px solid var(--line); }
.facts li { padding: 18px 16px 0 0; }
.facts b { display: block; font-size: 15.5px; letter-spacing: -.01em; }
.facts span { display: block; font-size: 14px; color: var(--muted); }

.room { position: relative; border-radius: 28px; overflow: hidden; background: var(--paper-2); box-shadow: 0 40px 80px -40px rgba(47, 59, 54, .55), 0 0 0 1px rgba(29, 31, 28, .06); }
.room-svg { width: 100%; height: auto; }
.wall { fill: var(--wall); transition: fill .9s var(--ease); }
.fresh-clip { transform-box: fill-box; transform-origin: left; transform: scaleX(0); }
.is-loaded .fresh-clip { animation: paint 2.4s cubic-bezier(.6, .05, .3, 1) .7s forwards; }
@keyframes paint { to { transform: scaleX(1); } }
.roller { position: absolute; top: 4%; left: 0; height: 74%; width: 34px; pointer-events: none; opacity: 0; }
.roller-head { position: absolute; left: 0; top: 0; width: 26px; height: 54%; border-radius: 13px; background: linear-gradient(90deg, #7f9180, #a7b6a8); box-shadow: 0 8px 18px rgba(0, 0, 0, .25); }
.roller-handle { position: absolute; left: 12px; top: 54%; width: 3px; height: 46%; background: #5b4a3a; border-radius: 2px; }
.roller-handle::after { content: ""; position: absolute; left: -5px; bottom: 0; width: 13px; height: 36%; border-radius: 6px; background: #2f3b36; }
.is-loaded .roller { animation: roll 2.4s cubic-bezier(.6, .05, .3, 1) .7s forwards; }
@keyframes roll { 0% { opacity: 1; left: -4%; } 92% { opacity: 1; left: 98%; } 100% { opacity: 0; left: 104%; } }
.swatch-card { position: absolute; left: 20px; bottom: 20px; display: flex; align-items: center; gap: 12px; padding: 10px 16px 10px 10px; border-radius: 16px; background: rgba(255, 255, 255, .88); backdrop-filter: blur(8px); box-shadow: 0 14px 30px -14px rgba(0, 0, 0, .35); opacity: 0; transform: translateY(10px); transition: opacity .7s var(--ease) 3s, transform .7s var(--ease) 3s; }
.is-loaded .swatch-card { opacity: 1; transform: none; }
.swatch-card .sw { width: 38px; height: 38px; border-radius: 10px; transition: background .9s var(--ease); }
.swatch-card small { display: block; font-size: 12px; color: var(--muted); }
.swatch-card b { display: block; font-size: 15px; }

/* services */
.services { padding: clamp(80px, 10vw, 140px) 0; background: #fbf9f5; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { padding: 30px; border-radius: var(--r); background: #fff; border: 1px solid var(--line); transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .3s, opacity .9s var(--ease) var(--d, 0s); }
.card:hover { transform: translateY(-6px); box-shadow: 0 30px 50px -30px rgba(47, 59, 54, .45); border-color: rgba(196, 83, 47, .35); }
.ico { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 16px; background: var(--paper); transition: background .35s; }
.ico svg { width: 28px; height: 28px; fill: none; stroke: var(--green); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: stroke .35s; }
.card:hover .ico { background: var(--terra); }
.card:hover .ico svg { stroke: #fff; }
.card h3 { font-size: 22px; margin: 26px 0 10px; letter-spacing: -.02em; }
.card p { color: var(--ink-2); font-size: 15.5px; }

/* color world */
.colors { padding: clamp(90px, 11vw, 150px) 0; }
.colors-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 6vw, 90px); align-items: center; }
.colors-copy h2 { font-size: clamp(38px, 5vw, 64px); }
.colors-copy > p:not(.eyebrow):not(.mood) { margin-top: 20px; color: var(--ink-2); max-width: 460px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.chip { display: inline-flex; align-items: center; gap: 10px; min-height: 46px; padding: 0 16px 0 8px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff; font-weight: 600; font-size: 14.5px; cursor: pointer; transition: border-color .25s, transform .25s var(--ease), box-shadow .25s; }
.chip i { width: 30px; height: 30px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .1); }
.chip:hover { transform: translateY(-2px); }
.chip.is-active { border-color: var(--ink); box-shadow: 0 8px 20px -12px rgba(0, 0, 0, .5); }
.mood { margin-top: 22px; min-height: 52px; color: var(--ink-2); }
.light-toggle { display: inline-flex; margin: 10px 0 26px; padding: 4px; border-radius: 999px; background: var(--paper-2); }
.light-toggle button { min-height: 40px; padding: 0 18px; border: 0; border-radius: 999px; background: transparent; font-weight: 600; font-size: 14px; color: var(--muted); cursor: pointer; transition: background .3s, color .3s; }
.light-toggle button.is-active { background: #fff; color: var(--ink); box-shadow: 0 4px 12px -6px rgba(0, 0, 0, .3); }
.colors-copy .btn { display: flex; width: max-content; }
.room-lg { border-radius: 32px; }
.evening { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(200deg, rgba(255, 170, 90, .28), rgba(40, 30, 60, .42)); mix-blend-mode: multiply; opacity: 0; transition: opacity .9s var(--ease); }
.room.is-evening .evening { opacity: 1; }

/* promise */
.promise { padding: clamp(90px, 11vw, 150px) 0; background: var(--green); color: #eef1ee; }
.promise .eyebrow { color: #f0a383; }
.promise-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255, 255, 255, .12); border-radius: var(--r); overflow: hidden; }
.pr { padding: 34px 28px; background: var(--green); }
.pr span { font-size: 13px; font-weight: 700; color: #f0a383; letter-spacing: .1em; }
.pr h3 { font-size: 22px; margin: 26px 0 10px; color: #fff; }
.pr p { font-size: 15px; color: #b9c4bd; }

/* process */
.process { padding: clamp(90px, 11vw, 150px) 0; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; }
.steps li { position: relative; padding: 28px 26px 30px; border-radius: var(--r); background: #fff; border: 1px solid var(--line); }
.steps li b { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--paper); color: var(--terra); font-size: 17px; font-weight: 800; }
.steps li:not(:last-child)::after { content: ""; position: absolute; top: 49px; right: -17px; width: 18px; height: 2px; background: var(--terra); opacity: .5; }
.steps h3 { font-size: 20px; margin: 22px 0 8px; letter-spacing: -.02em; }
.steps p { color: var(--ink-2); font-size: 15px; }

/* faq */
.faq { padding: clamp(80px, 10vw, 140px) 0; border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(30px, 5vw, 80px); align-items: start; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 64px; padding: 16px 0; font-size: 18px; font-weight: 600; letter-spacing: -.015em; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: #fff; border: 1px solid var(--line); font-size: 20px; font-weight: 500; transition: transform .35s var(--ease), background .3s, color .3s; }
.faq-list details[open] summary::after { transform: rotate(45deg); background: var(--terra); color: #fff; border-color: transparent; }
.faq-list details p { padding: 0 50px 22px 0; color: var(--ink-2); animation: fade .5s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(-6px); } }

/* request wizard */
.request { padding: clamp(90px, 11vw, 150px) 0; background: var(--ink); color: #f2efe8; }
.request-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 6vw, 90px); align-items: start; }
.request h2 { font-size: clamp(36px, 4.6vw, 58px); color: #fff; }
.request-copy > p:not(.eyebrow) { margin-top: 20px; color: #b5b2aa; max-width: 440px; }
.request-points { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 12px; }
.request-points li { display: flex; gap: 12px; align-items: center; color: #e2ded5; }
.request-points li::before { content: ""; flex: none; width: 22px; height: 22px; border-radius: 50%; background: rgba(240, 163, 131, .18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.3l2.2 2.2 4.8-5' fill='none' stroke='%23f0a383' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat; }
.wizard { padding: clamp(24px, 3.4vw, 40px); border-radius: 26px; background: #262823; border: 1px solid rgba(255, 255, 255, .08); }
.wiz-top { display: flex; align-items: center; gap: 16px; margin-bottom: 26px; font-size: 13.5px; color: #a9a59c; }
.wiz-bar { flex: 1; height: 4px; border-radius: 4px; background: rgba(255, 255, 255, .1); overflow: hidden; }
.wiz-bar i { display: block; height: 100%; width: 33.3%; background: var(--terra); border-radius: inherit; transition: width .6s var(--ease); }
.wiz-step { border: 0; margin: 0; padding: 0; min-width: 0; }
.wiz-step.is-active { animation: stepIn .6s var(--ease); }
@keyframes stepIn { from { opacity: 0; transform: translateX(16px); } }
.wiz-step legend { font-size: 22px; font-weight: 700; letter-spacing: -.02em; color: #fff; margin-bottom: 20px; padding: 0; }
.pick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pick label { position: relative; cursor: pointer; }
.pick input { position: absolute; opacity: 0; pointer-events: none; }
.pick span { display: flex; align-items: center; min-height: 54px; padding: 0 16px; border-radius: 14px; border: 1.5px solid rgba(255, 255, 255, .14); font-weight: 600; font-size: 15px; transition: all .25s var(--ease); }
.pick input:checked + span { border-color: var(--terra); background: rgba(196, 83, 47, .14); color: #fff; }
.pick input:focus-visible + span { outline: 2px solid var(--terra); outline-offset: 2px; }
.lbl { display: flex; justify-content: space-between; align-items: baseline; margin: 18px 0 8px; font-size: 14.5px; color: #cfcac0; }
.lbl:first-of-type { margin-top: 0; }
.lbl output { font-weight: 700; color: #fff; }
.opt { color: #8f8b83; font-size: 12.5px; }
.wizard input[type="text"], .wizard select, .wizard textarea { width: 100%; min-height: 50px; padding: 12px 15px; border-radius: 12px; border: 1.5px solid rgba(255, 255, 255, .14); background: #1d1f1b; color: #fff; font-size: 16px; }
.wizard input:focus, .wizard select:focus, .wizard textarea:focus { outline: none; border-color: var(--terra); }
.wizard ::placeholder { color: #75726b; }
input[type="range"] { width: 100%; accent-color: var(--terra); height: 28px; }
.wiz-error { margin-top: 14px; color: #f3a58c; font-size: 14px; }
.wiz-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px; }
.wiz-nav #wiz-next { margin-left: auto; }
.wiz-done { text-align: center; padding: 10px 0; animation: stepIn .6s var(--ease); }
.done-ico { display: inline-grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: var(--terra); }
.done-ico svg { width: 30px; height: 30px; fill: none; stroke: #fff; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 30; stroke-dashoffset: 30; animation: check .6s var(--ease) .2s forwards; }
@keyframes check { to { stroke-dashoffset: 0; } }
.wiz-done h3 { font-size: 26px; color: #fff; margin: 18px 0 10px; }
.wiz-done p { color: #cfcac0; }
.demo-note { margin: 18px auto 22px; max-width: 420px; padding: 12px 14px; border-radius: 12px; background: rgba(255, 255, 255, .06); font-size: 13.5px; color: #a9a59c !important; }

/* footer */
.footer { padding: 40px 0 calc(90px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); }
.footer-grid { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; font-size: 14px; color: var(--muted); }
.footer-demo { margin-left: auto; }
.footer-demo a { text-decoration: underline; text-underline-offset: 3px; color: var(--ink); }

/* responsive */
@media (max-width: 1000px) {
  .hero-grid, .colors-grid, .faq-grid, .request-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .promise-grid, .steps { grid-template-columns: 1fr 1fr; }
  .steps li::after { display: none; }
}
@media (max-width: 860px) { .links, .nav-cta { display: none; } .burger { display: block; } }
@media (max-width: 600px) {
  body { font-size: 16px; }
  .nav { height: 64px; }
  .hero h1 { font-size: clamp(44px, 13vw, 60px); }
  .actions .btn { width: 100%; }
  .facts { grid-template-columns: 1fr; }
  .facts li { padding: 14px 0 0; }
  .cards, .promise-grid, .steps, .pick { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .colors-copy .btn { width: 100%; }
  .faq-list details p { padding-right: 0; }
  .footer-demo { margin-left: 0; }
  .demo-bar { font-size: 12.5px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-delay: 0s !important; transition-duration: .001ms !important; transition-delay: 0s !important; }
  .reveal, .up { opacity: 1; transform: none; }
  .fresh-clip { transform: none; }
  .roller { display: none; }
}