/* CORPO SOLUTIONS
   Layout: left-aligned editorial pages on graphite; one bold moment per page
   (the big C in the hero, the yellow contact band). Brand yellow is used
   as a field and a signal, not sprinkled on everything. */

@font-face { font-family: 'Bricolage'; src: url(../fonts/bricolage.woff2) format('woff2'); font-weight: 200 800; font-stretch: 75% 100%; font-display: swap; }
@font-face { font-family: 'Instrument Sans'; src: url(../fonts/instrument-sans.woff2) format('woff2'); font-weight: 400 700; font-stretch: 75% 100%; font-display: swap; }

:root {
  color-scheme: dark;
  --ink: #0A0B0D;      /* page */
  --ink-2: #101215;    /* raised bands */
  --ink-3: #16191D;    /* screens, cards */
  --line: #24282E;
  --line-2: #343a42;
  --paper: #ECEAE4;    /* type and the C */
  --fog: #A4A8AF;      /* secondary text */
  --mute: #6C7179;
  --sun: #FFC72C;      /* brand */
  --sun-2: #FFD864;
  --sun-ink: #171200;  /* text on yellow */
  --rc: #FF9F0A;       /* RaceCraft's own orange, only on its card */
  --ok: #3DD68C;

  --display: 'Bricolage', 'Instrument Sans', system-ui, sans-serif;
  --body: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --wrap: 1200px;
  --gutter: clamp(16px, 4.5vw, 56px);
  --r: 20px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 90px; }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: var(--body); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
[hidden] { display: none !important; }
::selection { background: var(--sun); color: var(--sun-ink); }
:focus-visible { outline: 2px solid var(--sun); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: calc(var(--wrap) + 2 * var(--gutter)); margin: 0 auto; padding-block: 0; padding-left: max(var(--gutter), env(safe-area-inset-left, 0px)); padding-right: max(var(--gutter), env(safe-area-inset-right, 0px)); }
.wrap.narrow { max-width: calc(880px + 2 * var(--gutter)); }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--sun); color: var(--sun-ink); padding: 10px 14px; border-radius: 10px; font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; }

.display { font-family: var(--display); font-weight: 720; font-stretch: 86%; letter-spacing: -0.025em; word-spacing: .04em; line-height: .96; margin: 0; text-wrap: balance; }
h2.display { font-size: clamp(38px, 5.6vw, 76px); }
h3 { font-family: var(--display); font-weight: 650; font-stretch: 88%; letter-spacing: -0.015em; line-height: 1.1; margin: 0; }
.lead { font-size: clamp(18px, 1.7vw, 21px); color: var(--fog); max-width: 56ch; margin: 26px 0 0; line-height: 1.55; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 52px; padding: 0 24px; border-radius: 999px; font-weight: 600; font-size: 16px; text-decoration: none; border: 1px solid transparent; white-space: nowrap; cursor: pointer; transition: transform .2s var(--ease), background-color .2s, border-color .2s, color .2s, box-shadow .25s; }
.btn:active { transform: scale(.97); }
.btn-sun { background: var(--sun); color: var(--sun-ink); box-shadow: 0 10px 30px -12px #ffc72caa; }
.btn-sun:hover { background: var(--sun-2); box-shadow: 0 14px 36px -12px #ffc72ccc; }
.btn-ghost { border-color: var(--line-2); color: var(--paper); }
.btn-ghost:hover { border-color: var(--paper); }
.btn-sm { height: 40px; padding: 0 18px; font-size: 14.5px; }
.btn-rc { background: var(--rc); color: #1a1000; }
.btn-rc:hover { background: #ffb340; }

/* Header */
.nav { position: fixed; top: 12px; left: 50%; transform: translateX(-50%); z-index: 50; width: min(1200px, calc(100% - 24px)); display: flex; align-items: center; gap: 18px; padding: 8px 8px 8px 18px; border-radius: 999px; border: 1px solid transparent; transition: background-color .3s, border-color .3s, backdrop-filter .3s; }
.nav.scrolled, .page .nav { background: #101215d9; border-color: var(--line); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--display); font-weight: 750; font-stretch: 85%; letter-spacing: .06em; font-size: 18px; color: var(--paper); }
.brand .mark { width: 26px; height: 25px; color: var(--paper); }
.nav-links { display: flex; gap: 2px; margin-left: 12px; }
.nav-links a { text-decoration: none; color: var(--fog); font-size: 14.5px; font-weight: 550; padding: 8px 13px; border-radius: 999px; transition: color .2s, background-color .2s; }
.nav-links a:hover { color: var(--paper); background: #ffffff0d; }
.nav-end { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.lang { display: flex; padding: 3px; border-radius: 999px; border: 1px solid var(--line); }
.lang a { font-size: 12.5px; font-weight: 650; color: var(--mute); text-decoration: none; padding: 5px 10px; border-radius: 999px; }
.lang a:hover { color: var(--paper); }
.lang a[aria-current="true"] { background: #ffffff17; color: var(--paper); }

/* Hero */
.hero { position: relative; padding: clamp(130px, 15vw, 170px) 0 clamp(60px, 8vw, 100px); overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: -20% -10% auto auto; width: 70vw; height: 70vw; background: radial-gradient(closest-side, #ffc72c14, transparent 70%); pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(48px, 6.6vw, 104px); font-weight: 750; font-stretch: 86%; letter-spacing: -0.025em; word-spacing: .04em; line-height: .94; }
.hero h1 { animation: rise 1s var(--ease) both; }
.hero .lead { animation: rise 1s var(--ease) .12s both; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero .ctas { animation: rise 1s var(--ease) .22s both; }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }

/* The C: the logo, drawn in on load, with a yellow line running round it. */
.machine { position: relative; display: flex; justify-content: center; align-items: center; }
.ring { width: min(100%, 560px); height: auto; overflow: visible; }
.ring path { fill: none; stroke-dasharray: 100; }
.ring-base { stroke: var(--paper); stroke-width: 10; stroke-dashoffset: 100; animation: draw 1.6s var(--ease) .2s forwards; }
.ring-time { stroke: var(--sun); stroke-width: 1.4; stroke-dasharray: 22 78; stroke-dashoffset: 100; opacity: 0; animation: show .6s ease 1.6s forwards, orbit 6s linear 1.6s infinite; }
.ring-sq { fill: var(--sun); transform-box: fill-box; transform-origin: center; animation: pop .7s var(--ease) 1.3s both, pulse 6s var(--ease) 2s infinite; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes show { to { opacity: .95; } }
@keyframes orbit { from { stroke-dashoffset: 100; } to { stroke-dashoffset: -100; } }
@keyframes pop { from { transform: scale(0); } to { transform: scale(1); } }
@keyframes pulse { 0%, 88%, 100% { transform: scale(1); } 94% { transform: scale(1.5); } }

/* Sections */
.section { padding: clamp(90px, 11vw, 150px) 0 0; }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 24px 60px; align-items: end; }
.sec-lead { margin: 0; color: var(--fog); font-size: 18px; max-width: 46ch; }

/* Services: typographic rows, two columns */
.svc-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(28px, 4vw, 60px); margin-top: clamp(40px, 6vw, 70px); }
.svc { position: relative; display: block; padding: 32px 0 34px; border-top: 1px solid var(--line); text-decoration: none; }
.svc::before { content: ''; position: absolute; left: 0; top: -1px; height: 2px; width: 100%; background: var(--sun); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.svc:hover::before, .svc:focus-visible::before { transform: scaleX(1); }
.svc h3 { font-size: clamp(26px, 2.7vw, 36px); transition: color .25s; }
.svc:hover h3 { color: var(--sun); }
.svc p { color: var(--fog); margin: 12px 0 0; max-width: 52ch; }
.tags { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tags li { font-size: 13px; font-weight: 550; color: var(--fog); border: 1px solid var(--line-2); padding: 4px 11px; border-radius: 999px; }
.tags.big li { font-size: 14px; padding: 6px 14px; }
.go { display: inline-block; margin-top: 20px; font-size: 14.5px; font-weight: 600; color: var(--paper); border-bottom: 1px solid var(--line-2); padding-bottom: 2px; transition: border-color .25s, color .25s; }
.svc:hover .go { border-color: var(--sun); color: var(--sun); }
.svc-list:not(.compact) .svc:last-child:nth-child(odd) { grid-column: 1 / -1; }
.svc-list.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.svc-list.compact .svc h3 { font-size: 24px; }

/* Work */
.rc-card { margin-top: clamp(40px, 6vw, 70px); display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(28px, 4vw, 56px); align-items: center; padding: clamp(28px, 4vw, 52px); border-radius: 28px; background: radial-gradient(90% 120% at 100% 0%, #ff9f0a26, transparent 60%), linear-gradient(180deg, #17150f, #111214); border: 1px solid #ff9f0a33; overflow: hidden; }
.badge { display: inline-block; font-size: 13px; font-weight: 650; color: var(--rc); background: #ff9f0a17; border: 1px solid #ff9f0a40; padding: 5px 12px; border-radius: 999px; }
.rc-copy h3 { display: flex; align-items: center; gap: 14px; margin-top: 22px; font-size: clamp(36px, 4.4vw, 56px); font-stretch: 80%; font-weight: 750; }
.rc-copy h3 img { width: 44px; height: 44px; border-radius: 11px; }
.rc-copy p { color: var(--fog); margin: 18px 0 0; font-size: 17.5px; max-width: 50ch; }
.facts { list-style: none; padding: 0; margin: 22px 0 28px; display: grid; gap: 8px; }
.facts li { position: relative; padding-left: 20px; font-size: 15.5px; }
.facts li::before { content: ''; position: absolute; left: 2px; top: .62em; width: 7px; height: 7px; background: var(--rc); border-radius: 2px; }
.rc-shot { display: block; border-radius: 14px; overflow: hidden; border: 1px solid #ffffff1a; box-shadow: 0 40px 90px -30px #000; transform: perspective(1400px) rotateY(-9deg) rotateX(3deg); transform-origin: left center; transition: transform .7s var(--ease); }
.rc-card:hover .rc-shot { transform: perspective(1400px) rotateY(-3deg) rotateX(1deg); }
.work { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.work-card { border-radius: var(--r); background: var(--ink-2); border: 1px solid var(--line); overflow: hidden; transition: border-color .3s, transform .4s var(--ease); }
.work-card:hover { border-color: #ffc72c55; transform: translateY(-4px); }
.work-art { aspect-ratio: 4 / 3; background: linear-gradient(140deg, #181c22, #111317); border-bottom: 1px solid var(--line); }
.work-art svg { width: 100%; height: 100%; display: block; }
.work-body { padding: 22px 22px 26px; }
.tag { font-size: 12.5px; font-weight: 650; color: var(--sun); }
.work-body h3 { font-size: 21px; margin-top: 8px; }
.work-body p { margin: 10px 0 0; color: var(--fog); font-size: 15px; line-height: 1.55; }

/* Process */
.steps { list-style: none; padding: 0; margin: clamp(40px, 6vw, 70px) 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; counter-reset: s; }
.steps li { position: relative; padding: 0 28px 0 0; }
.steps li::before { content: ''; position: absolute; left: 0; right: 0; top: 30px; height: 1px; background: var(--line-2); }
.steps .n { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 60px; height: 60px; border-radius: 50%; background: var(--ink); border: 1px solid var(--line-2); font-family: var(--display); font-weight: 750; font-size: 24px; color: var(--sun); }
.steps h3 { font-size: 24px; margin-top: 22px; }
.steps p { color: var(--fog); margin: 10px 0 0; font-size: 15.5px; max-width: 30ch; }
.why { margin-top: clamp(80px, 10vw, 130px); padding-top: clamp(50px, 6vw, 70px); border-top: 1px solid var(--line); }
.why-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 4vw, 56px); margin-top: 40px; }
.why-grid h3 { font-size: 23px; }
.why-grid p { color: var(--fog); margin: 10px 0 0; font-size: 16px; }

/* FAQ */
.faq { margin-top: 36px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; font-size: 19px; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary i { flex-shrink: 0; position: relative; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line-2); transition: transform .3s var(--ease), background-color .2s, border-color .2s; }
.faq summary i::before, .faq summary i::after { content: ''; position: absolute; left: 50%; top: 50%; width: 11px; height: 2px; background: var(--paper); transform: translate(-50%, -50%); }
.faq summary i::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq details[open] summary i { transform: rotate(45deg); background: var(--sun); border-color: var(--sun); }
.faq details[open] summary i::before, .faq details[open] summary i::after { background: var(--sun-ink); }
.faq details > div { color: var(--fog); padding: 0 50px 24px 0; max-width: 70ch; }
.faq a, .prose a { color: var(--sun); text-decoration: none; border-bottom: 1px solid #ffc72c66; }
.faq a:hover, .prose a:hover { border-color: var(--sun); }

/* Contact: the yellow band */
.contact { margin-top: clamp(100px, 12vw, 160px); background: var(--sun); color: var(--sun-ink); position: relative; overflow: hidden; }
.contact::after { content: ''; position: absolute; right: -6vw; top: 50%; width: 46vw; height: 46vw; max-width: 620px; max-height: 620px; transform: translateY(-50%); border: clamp(40px, 7vw, 96px) solid #00000012; border-right-color: transparent; border-radius: 50%; transform: translateY(-50%) rotate(-45deg); pointer-events: none; }
.contact .wrap { position: relative; z-index: 1; padding-block: clamp(80px, 11vw, 140px); }
.contact h2 { font-size: clamp(46px, 8vw, 116px); max-width: 12ch; }
.contact-lead { font-size: clamp(18px, 1.8vw, 22px); margin: 24px 0 0; max-width: 46ch; color: #171200cc; }
.mail-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; margin-top: 44px; }
.mail { font-family: var(--display); font-weight: 700; font-stretch: 85%; font-size: clamp(28px, 4.6vw, 58px); letter-spacing: -0.02em; color: var(--sun-ink); text-decoration: none; border-bottom: 3px solid var(--sun-ink); line-height: 1.15; overflow-wrap: anywhere; }
.mail:hover { border-bottom-color: transparent; }
.copy { display: inline-flex; align-items: center; gap: 8px; font: inherit; font-weight: 600; font-size: 15px; color: var(--sun); background: var(--sun-ink); border: 0; border-radius: 999px; padding: 11px 18px; cursor: pointer; }
.copy:hover { background: #2a2205; }
.contact :focus-visible { outline-color: var(--sun-ink); }

/* Footer */
.foot { padding: 64px 0 40px; background: var(--ink); }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, .8fr); gap: 40px; }
.foot-brand p { color: var(--mute); margin: 14px 0 6px; font-size: 15px; }
.foot-mail { color: var(--fog); text-decoration: none; font-size: 15px; }
.foot-mail:hover { color: var(--sun); }
.foot nav { display: flex; flex-direction: column; gap: 8px; }
.foot nav h2 { font-family: var(--body); font-size: 13.5px; font-weight: 650; color: var(--mute); margin: 0 0 6px; }
.foot nav a { color: var(--fog); text-decoration: none; font-size: 15px; }
.foot nav a:hover { color: var(--paper); }
.foot-base { margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--mute); font-size: 13.5px; }

/* Service pages */
.page-hero { padding: clamp(130px, 14vw, 160px) 0 0; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; right: -10vw; top: -10vw; width: 50vw; height: 50vw; background: radial-gradient(closest-side, #ffc72c12, transparent 70%); pointer-events: none; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 26px; font-size: 14px; color: var(--mute); }
.crumbs li + li::before { content: '/'; margin-right: 8px; color: var(--line-2); }
.crumbs a { color: var(--fog); text-decoration: none; }
.crumbs a:hover { color: var(--paper); }
.page-hero h1 { font-size: clamp(44px, 6.4vw, 96px); font-weight: 750; font-stretch: 86%; max-width: 15ch; }
.page-hero .tags { margin-top: 26px; }
.page-body { padding-top: clamp(40px, 6vw, 70px); }
.prose { max-width: 760px; }
.prose section { padding-top: clamp(48px, 6vw, 72px); }
.prose h2 { font-family: var(--display); font-weight: 700; font-stretch: 80%; letter-spacing: -0.02em; line-height: 1.02; font-size: clamp(30px, 3.8vw, 46px); margin: 0; text-wrap: balance; }
.prose p { color: var(--fog); font-size: 18px; line-height: 1.68; margin: 18px 0 0; max-width: 66ch; }
.prose ul { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.prose li { position: relative; padding-left: 22px; color: var(--fog); font-size: 17px; }
.prose li::before { content: ''; position: absolute; left: 2px; top: .62em; width: 7px; height: 7px; background: var(--sun); }

/* 404 */
.nf { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.nf-main { max-width: 620px; }
.nf-mark { width: 84px; height: 80px; color: var(--paper); margin-bottom: 30px; }
.nf h1 { font-size: clamp(44px, 8vw, 84px); }
.nf p { color: var(--fog); font-size: 18px; margin: 20px 0 32px; }

/* Reveal: content is visible without JS; with JS it rises in once. */
.js .rv { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
.js .rv.in { opacity: 1; transform: none; }

@media (max-width: 1020px) {
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  /* On narrower screens the C moves behind the headline, large and faint, cut by the edge. */
  .hero-copy { position: relative; z-index: 1; }
  .machine { position: absolute; z-index: 0; top: -40px; right: 0; width: min(46vw, 420px); pointer-events: none; }
  .ring { width: 100%; }
  .ring-base { stroke: #ECEAE417; }
  .ring-time { stroke: #ffc72c4d; }
  .sec-head { grid-template-columns: minmax(0, 1fr); }
  .rc-card { grid-template-columns: minmax(0, 1fr); }
  .rc-shot { transform: none; }
  .rc-card:hover .rc-shot { transform: none; }
  .work { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 44px; }
  .foot-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav { padding-left: 14px; }
  .nav .btn-sm { display: none; }
  .machine { top: -54px; right: -2vw; width: 84vw; }
  .svc-list, .svc-list.compact { grid-template-columns: minmax(0, 1fr); }
  .steps, .why-grid { grid-template-columns: minmax(0, 1fr); }
  .steps li::before { display: none; }
  .faq details > div { padding-right: 0; }
  .work-art { aspect-ratio: 16 / 10; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .ring-base { stroke-dashoffset: 0; }
  .ring-time { opacity: .95; stroke-dasharray: 100; stroke-dashoffset: 0; }
  .js .rv { opacity: 1; transform: none; }
}