:root {
  --black: #111111;
  --black-2: #1d1d1d;
  --yellow: #ffc400;
  --yellow-dark: #d9a500;
  --green: #18a957;
  --paper: #ffffff;
  --mist: #f4f4f2;
  --ink: #111111;
  --muted: #5d5d5d;
  --line: #e3e3df;
  --radius: 14px;
  --max: 1160px;
  --font: "Helvetica Neue", Helvetica, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font-family: var(--font); font-size: 17px; line-height: 1.6; color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
[hidden] { display: none !important; }

h1, h2, h3 { line-height: 1.02; margin: 0 0 .5em; font-weight: 900; font-style: italic; letter-spacing: -0.02em; text-transform: uppercase; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.15rem; letter-spacing: 0; line-height: 1.25; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.hl { color: var(--yellow); }
.eyebrow { font-size: .78rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--yellow); margin-bottom: .9em; }
.eyebrow-dark { color: var(--yellow-dark); }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 34em; }

.checker { height: 12px; background: repeating-conic-gradient(var(--black) 0 25%, #fff 0 50%) 0 0 / 12px 12px; }

.btn { display: inline-block; padding: .9em 1.6em; border-radius: 6px; background: var(--yellow); color: var(--black); font: inherit; font-weight: 900; font-style: italic; text-transform: uppercase; letter-spacing: .02em; text-decoration: none; border: 2px solid var(--yellow); cursor: pointer; transition: background .15s, transform .15s; }
.btn:hover { background: #ffd23d; border-color: #ffd23d; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-ghost:hover { background: #fff; color: var(--black); border-color: #fff; }
.btn-ghost-dark { background: transparent; color: var(--black); border-color: var(--black); }
.btn-ghost-dark:hover { background: var(--black); color: #fff; border-color: var(--black); }
.btn-small { padding: .55em 1.1em; font-size: .88rem; }
.btn-full { width: 100%; text-align: center; }
.btn:focus-visible, .chip:focus-visible, .deliv:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid var(--yellow-dark); outline-offset: 3px; }

.site-header { position: sticky; top: 0; z-index: 10; background: var(--black); color: #fff; }
.header-inner { display: flex; align-items: center; height: 72px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { border-radius: 10px; }
.wordmark { display: flex; flex-direction: column; font-weight: 900; font-size: 1.2rem; line-height: 1; letter-spacing: -0.01em; }
.wordmark b { font-style: italic; font-size: .95rem; color: var(--yellow); letter-spacing: .22em; margin-top: 3px; }
.wordmark-light { color: #fff; }
.nav { display: flex; gap: 24px; margin-left: auto; }
.nav a { text-decoration: none; font-weight: 700; font-size: .9rem; text-transform: uppercase; letter-spacing: .06em; color: rgba(255,255,255,.75); }
.nav a:hover { color: var(--yellow); }

.hero { padding: 64px 0 72px; color: #fff; background:
  radial-gradient(circle at 85% 20%, rgba(255,196,0,.16), transparent 45%),
  repeating-linear-gradient(90deg, transparent 0 46%, rgba(255,255,255,.06) 46% 54%, transparent 54% 100%) center / 100% 40px,
  var(--black-2); }
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 48px; }
.hero .lead { color: rgba(255,255,255,.8); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-board { display: grid; gap: 12px; }
.lap { display: flex; justify-content: space-between; align-items: center; gap: 12px; background: var(--black); border: 2px solid #333; border-left: 6px solid var(--yellow); border-radius: 10px; padding: 18px 22px; transform: skewX(-6deg); }
.lap span { font-size: .74rem; font-weight: 800; letter-spacing: .18em; color: rgba(255,255,255,.55); }
.lap strong { font-size: 1.3rem; font-weight: 900; font-style: italic; text-transform: uppercase; }
.lap-final { border-left-color: var(--green); background: linear-gradient(90deg, var(--black), #12311f); }

.strip { background: var(--yellow); }
.strip-inner { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 32px; padding-top: 12px; padding-bottom: 12px; font-weight: 800; font-size: .95rem; }

.section { padding: 80px 0; }
.section-alt { background: var(--mist); }
.section-dark { background: var(--black); color: #fff; }
.section-dark .lead { color: rgba(255,255,255,.78); }

.config { display: grid; grid-template-columns: 1.25fr .75fr; gap: 40px; align-items: start; }
fieldset { border: 0; padding: 0; margin: 0 0 22px; }
legend { font-weight: 900; font-style: italic; text-transform: uppercase; font-size: .95rem; margin-bottom: 10px; padding: 0; }
.sizes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.sizes label { display: flex; flex-direction: column; gap: 4px; font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
select { font: inherit; font-size: 1rem; font-weight: 700; color: var(--ink); padding: .65em .5em; border: 2px solid var(--line); border-radius: 8px; background: #fff; width: 100%; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font: inherit; font-weight: 700; padding: .6em 1.15em; border-radius: 8px; border: 2px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; }
.chip:hover { border-color: var(--black); }
.chip.is-active { background: var(--black); border-color: var(--black); color: #fff; }
.delivery { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.deliv { font: inherit; text-align: left; display: flex; flex-direction: column; gap: 4px; padding: 16px 18px; border-radius: 12px; border: 2px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; }
.deliv span { color: var(--muted); font-size: .92rem; }
.deliv:hover { border-color: var(--black); }
.deliv.is-active { border-color: var(--yellow-dark); background: #fff8dc; box-shadow: inset 6px 0 0 var(--yellow); }

.summary { position: sticky; top: 96px; background: var(--black); color: #fff; border-radius: 18px; padding: 24px; overflow: hidden; }
.summary::before { content: ""; display: block; height: 10px; margin: -24px -24px 20px; background: repeating-conic-gradient(var(--yellow) 0 25%, var(--black) 0 50%) 0 0 / 10px 10px; }
.summary-head { margin: 0; font-size: .78rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--yellow); }
.summary-size { margin: 4px 0 16px; font-size: 1.25rem; font-weight: 900; font-style: italic; text-transform: uppercase; }
.summary dl { margin: 0; display: grid; gap: 10px; }
.summary dl div { display: flex; justify-content: space-between; gap: 10px; padding-bottom: 10px; border-bottom: 1px dashed #3a3a3a; font-size: .94rem; }
.summary dt { color: rgba(255,255,255,.7); }
.summary dd { margin: 0; font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.summary-total { display: flex; justify-content: space-between; align-items: baseline; margin: 16px 0 8px; }
.summary-total span { font-weight: 800; text-transform: uppercase; letter-spacing: .1em; font-size: .85rem; }
.summary-total strong { font-size: 2rem; font-weight: 900; color: var(--yellow); font-variant-numeric: tabular-nums; }
.summary-note { color: rgba(255,255,255,.7); font-size: .88rem; margin-bottom: 16px; }

.workshops { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.ws-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.ws-list li { display: flex; gap: 18px; align-items: flex-start; background: var(--black-2); border: 1px solid #2c2c2c; border-radius: var(--radius); padding: 18px 20px; }
.ws-list strong { display: block; font-size: 1.05rem; }
.ws-list div span { color: rgba(255,255,255,.7); }
.ws-num { flex: none; font-weight: 900; font-style: italic; font-size: 1.5rem; color: var(--yellow); }

.laps { list-style: none; margin: 30px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.laps li { border: 2px solid var(--line); border-radius: var(--radius); padding: 24px 22px; }
.laps p { margin: 0; color: var(--muted); }
.lap-num { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--yellow); font-weight: 900; font-style: italic; font-size: 1.3rem; margin-bottom: 14px; }

.faq { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.faq .lead { margin-bottom: 1.4em; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.faq-list { display: grid; gap: 10px; }
.faq-list details { background: #fff; border-radius: 12px; padding: 2px 20px; border-left: 5px solid var(--yellow); }
.faq-list summary { cursor: pointer; font-weight: 800; padding: 15px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font-size: 1.4rem; line-height: 1; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list p { margin: 0 0 16px; color: var(--muted); }

.site-footer { background: var(--black); color: rgba(255,255,255,.7); font-size: .88rem; }
.footer-inner { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; padding-top: 22px; padding-bottom: 24px; }
.footer-inner p { margin: 0; }

@media (max-width: 960px) {
  .nav { display: none; }
  .header-inner .btn-small { margin-left: auto; }
}
@media (max-width: 880px) {
  .hero-inner, .config, .workshops, .faq { grid-template-columns: 1fr; gap: 34px; }
  .hero { padding: 44px 0 56px; }
  .hero-board { max-width: 420px; width: 100%; }
  .summary { position: static; }
  .laps { grid-template-columns: 1fr; }
  .section { padding: 58px 0; }
}
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .wordmark { font-size: 1rem; }
  .wordmark b { font-size: .8rem; }
  .delivery { grid-template-columns: 1fr; }
  .sizes { gap: 6px; }
  .strip-inner { justify-content: flex-start; font-size: .86rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}