/* =========================================================
   URBEX — base: tokens, type, layout, shared components
   ========================================================= */
:root {
  --ink: #111110;
  --ink-2: #191918;
  --ink-3: #232321;
  --bone: #EDE8E0;
  --bone-2: #C9C3BA;
  --mute: #A6A097;
  --line: rgba(237, 232, 224, .14);
  --draft: rgba(237, 232, 224, .2);
  --draft-hi: rgba(237, 232, 224, .62);
  --paper: #EFEBE4;
  --paper-2: #E4DED4;
  --ink-on-paper: #141413;
  --mute-on-paper: #5E5A54;
  --red: #C8161E;
  --red-hi: #E2343C;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
  --nav-h: 84px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: 'Jost', system-ui, sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; }
::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 2px solid var(--red-hi); outline-offset: 3px; }

.mono {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.muted { color: var(--mute); }
.wrap { max-width: 1360px; margin: 0 auto; padding: 0 40px; }
.sec { padding: 130px 0; }
.sec--tight { padding-top: 60px; }
.paper { background: var(--paper); color: var(--ink-on-paper); }
.ink-2 { background: var(--ink-2); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.h2 { margin: 22px 0 0; font-weight: 300; font-size: clamp(34px, 4.4vw, 64px); line-height: 1.02; letter-spacing: -.02em; }
.giant { margin: 26px 0 0; font-weight: 200; letter-spacing: -.03em; font-size: clamp(64px, 11vw, 184px); line-height: .88; }
.giant em { font-style: normal; color: var(--red); font-weight: 300; }
.lead { margin: 24px 0 0; font-weight: 300; font-size: clamp(28px, 3.4vw, 50px); line-height: 1.12; max-width: 1150px; letter-spacing: -.015em; }
.intro { margin: 0; max-width: 520px; font-size: 19px; line-height: 1.6; color: var(--bone-2); font-weight: 300; }

/* section header (title-block strip, quiet) */
.rot { display: flex; align-items: center; gap: 14px; font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.rot .rn { display: flex; align-items: center; gap: 10px; }
.rot .rn::before { content: ""; width: 8px; height: 8px; background: var(--red); }
.rot .rt { color: var(--bone); }
.rot .rl { width: 120px; height: 1px; background: var(--draft); }
.paper .rot { color: var(--mute-on-paper); }
.paper .rot .rt { color: var(--ink-on-paper); }
.paper .rot .rl { background: rgba(20, 20, 19, .2); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  min-height: 48px; padding: 0 8px 0 22px;
  border: 0; border-radius: 2px;
  font-size: 15px; font-weight: 500; text-decoration: none; cursor: pointer;
  transition: background-color 200ms ease, color 200ms ease, transform 160ms var(--ease-out);
}
.btn:active { transform: scale(.97); }
.btn .ic { position: relative; width: 34px; height: 34px; border-radius: 2px; overflow: hidden; flex: none; }
.btn .ic svg { position: absolute; left: 50%; top: 50%; margin: -7px 0 0 -7px; transition: transform 250ms var(--ease-out); }
.btn .ic .a2 { transform: translateX(-200%); }
.btn .ic.diag .a2 { transform: translate(-160%, 160%); }
.btn--red { background: var(--red); color: #fff; }
.btn--red .ic { background: rgba(255, 255, 255, .16); }
.btn--bone { background: var(--bone); color: var(--ink); }
.btn--bone .ic { background: var(--ink); color: var(--bone); }
.btn--ghost { background: rgba(17, 17, 16, .35); color: var(--bone); box-shadow: inset 0 0 0 1px rgba(237, 232, 224, .35); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.btn--ghost .ic { background: rgba(237, 232, 224, .14); }
@media (hover: hover) and (pointer: fine) {
  .btn--red:hover { background: var(--red-hi); }
  .btn--bone:hover { background: #fff; }
  .btn--ghost:hover { background: rgba(237, 232, 224, .14); }
  .btn:hover .ic .a1, a:hover > .btn .ic .a1 { transform: translateX(200%); }
  .btn:hover .ic .a2, a:hover > .btn .ic .a2 { transform: translateX(0); }
  .btn:hover .ic.diag .a1, a:hover > .btn .ic.diag .a1 { transform: translate(160%, -160%); }
  .btn:hover .ic.diag .a2, a:hover > .btn .ic.diag .a2 { transform: translate(0, 0); }
}

.ul { text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size 250ms var(--ease-out), color 200ms ease; }
@media (hover: hover) and (pointer: fine) { .ul:hover { background-size: 100% 1px; } }

.chip {
  min-height: 44px; padding: 0 18px; border: 0; border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(237, 232, 224, .3);
  background: transparent; color: var(--bone); font-size: 14px; cursor: pointer;
  transition: background-color 200ms ease, color 200ms ease, box-shadow 200ms ease, transform 160ms var(--ease-out);
}
.chip:active { transform: scale(.96); }
@media (hover: hover) and (pointer: fine) { .chip:hover { box-shadow: inset 0 0 0 1px var(--bone); } }
.chip[aria-pressed="true"] { background: var(--bone); color: var(--ink); box-shadow: inset 0 0 0 1px var(--bone); }
.paper .chip { color: var(--ink-on-paper); box-shadow: inset 0 0 0 1px rgba(20, 20, 19, .2); }
.paper .chip[aria-pressed="true"] { background: var(--ink-on-paper); color: var(--paper); box-shadow: none; }

/* segmented control with sliding thumb */
.seg { position: relative; display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; padding: 5px; border-radius: 2px; background: var(--paper-2); }
.seg .thumb { position: absolute; top: 5px; bottom: 5px; left: 5px; border-radius: 2px; background: var(--ink-on-paper); transition: transform 300ms var(--ease-in-out); }
.seg button { position: relative; z-index: 1; min-height: 44px; padding: 0 22px; border: 0; background: transparent; color: var(--ink-on-paper); font-size: 14px; white-space: nowrap; cursor: pointer; transition: color 200ms ease; }
.seg button[aria-pressed="true"] { color: var(--paper); }
.seg--dark { background: var(--ink-3); }
.seg--dark .thumb { background: var(--bone); }
.seg--dark button { color: var(--bone); }
.seg--dark button[aria-pressed="true"] { color: var(--ink); }

/* ---------- navigation ---------- */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; background: var(--red); transform-origin: 0 50%; transform: scaleX(0); z-index: 60; }
.nav { position: sticky; top: 0; z-index: 50; height: var(--nav-h); display: flex; align-items: center; background: rgba(17, 17, 16, .78); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.nav--overlay { margin-bottom: calc(var(--nav-h) * -1); background: transparent; border-bottom-color: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; transition: background-color 300ms ease, border-color 300ms ease; }
.nav--overlay.is-solid { background: rgba(17, 17, 16, .78); border-bottom-color: var(--line); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.nav__in { width: 100%; max-width: 1360px; margin: 0 auto; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img:first-child { height: 30px; width: auto; }
.brand img:last-child { height: 15px; width: auto; }
.nav__links { display: flex; gap: 2px; padding: 5px; border-radius: 2px; box-shadow: inset 0 0 0 1px var(--line); background: rgba(17, 17, 16, .35); }
.nav__links a { text-decoration: none; font-size: 14px; padding: 10px 16px; border-radius: 2px; transition: background-color 150ms ease; }
.nav__links a[aria-current="page"] { background: rgba(237, 232, 224, .14); }
@media (hover: hover) and (pointer: fine) { .nav__links a:hover { background: rgba(237, 232, 224, .1); } }
.nav__actions { display: flex; align-items: center; gap: 10px; }
.icon-btn { width: 44px; height: 44px; border: 0; border-radius: 2px; background: rgba(17, 17, 16, .4); box-shadow: inset 0 0 0 1px var(--line); color: var(--bone); display: grid; place-items: center; cursor: pointer; transition: background-color 150ms ease, color 150ms ease, transform 160ms var(--ease-out); }
.icon-btn:active { transform: scale(.95); }
.icon-btn[aria-pressed="true"] { background: var(--red); color: #fff; box-shadow: none; }
@media (hover: hover) and (pointer: fine) { .icon-btn:not([aria-pressed="true"]):hover { background: rgba(237, 232, 224, .14); } }
.menu-btn { display: none; }
.back svg { transition: transform 250ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .back:hover svg { transform: translateX(-3px); } }

.mobile-menu { position: fixed; inset: 0; z-index: 70; background: var(--ink); padding: 24px 20px; display: flex; flex-direction: column; opacity: 0; visibility: hidden; transition: opacity 250ms var(--ease-out), visibility 0s linear 250ms; }
.mobile-menu.is-open { opacity: 1; visibility: visible; transition: opacity 250ms var(--ease-out); }
.mobile-menu__top { display: flex; justify-content: space-between; align-items: center; height: 60px; }
.mobile-menu a.big { display: block; text-decoration: none; font-size: 40px; font-weight: 300; letter-spacing: -.02em; padding: 14px 0; border-bottom: 1px solid var(--line); opacity: 0; transform: translateY(14px); transition: opacity 300ms var(--ease-out), transform 300ms var(--ease-out); }
.mobile-menu.is-open a.big { opacity: 1; transform: none; }
.mobile-menu.is-open a.big:nth-child(2) { transition-delay: 40ms; }
.mobile-menu.is-open a.big:nth-child(3) { transition-delay: 80ms; }
.mobile-menu.is-open a.big:nth-child(4) { transition-delay: 120ms; }

/* level indicator: the page rises like the building */
.lvl { position: fixed; right: 18px; top: 50%; height: 380px; margin-top: -190px; width: 84px; z-index: 40; pointer-events: none; display: none; mix-blend-mode: difference; color: #fff; opacity: .55; }
@media (min-width: 1100px) { .lvl { display: block; } }
.lvl__track { position: absolute; right: 12px; top: 0; bottom: 0; width: 1px; background: rgba(255, 255, 255, .4); }
.lvl__mark { position: absolute; right: 0; top: 0; display: flex; align-items: center; gap: 6px; transform: translateY(380px); will-change: transform; }
.lvl__mark i { width: 0; height: 0; border-style: solid; border-width: 7px 6px 0 6px; border-color: #fff transparent transparent transparent; margin-top: -7px; }
.lvl__mark span { order: -1; font: 500 10px/1 'IBM Plex Mono', monospace; letter-spacing: .06em; padding: 3px 0; border-bottom: 1px solid #fff; margin-top: -16px; }

/* ---------- drafting overlay on images (hover) ---------- */
.draft { position: absolute; inset: 0; pointer-events: none; z-index: 2; }
.draft .c { position: absolute; width: 16px; height: 16px; border: 0 solid rgba(237, 232, 224, .7); opacity: 0; transition: opacity 200ms ease, transform 300ms var(--ease-out); }
.draft .tl { left: 12px; top: 12px; border-left-width: 1px; border-top-width: 1px; transform: translate(-6px, -6px); }
.draft .tr { right: 12px; top: 12px; border-right-width: 1px; border-top-width: 1px; transform: translate(6px, -6px); }
.draft .bl { left: 12px; bottom: 12px; border-left-width: 1px; border-bottom-width: 1px; transform: translate(-6px, 6px); }
.draft .br { right: 12px; bottom: 12px; border-right-width: 1px; border-bottom-width: 1px; transform: translate(6px, 6px); }
.draft .dh { position: absolute; left: 44px; right: 44px; bottom: 26px; height: 12px; border-left: 1px solid rgba(237, 232, 224, .92); border-right: 1px solid rgba(237, 232, 224, .92); opacity: 0; transition: opacity 200ms ease; }
.draft .dh::before { content: ""; position: absolute; left: 0; right: 0; top: 6px; height: 1px; background: rgba(237, 232, 224, .92); transform: scaleX(0); transition: transform 450ms var(--ease-out); }
.draft .dv { position: absolute; left: 26px; top: 44px; bottom: 60px; width: 12px; border-top: 1px solid rgba(237, 232, 224, .92); border-bottom: 1px solid rgba(237, 232, 224, .92); opacity: 0; transition: opacity 200ms ease; }
.draft .dv::before { content: ""; position: absolute; top: 0; bottom: 0; left: 6px; width: 1px; background: rgba(237, 232, 224, .92); transform: scaleY(0); transition: transform 450ms var(--ease-out); }
.draft b { position: absolute; padding: 3px 8px; background: rgba(17, 17, 16, .78); color: var(--bone); font: 400 10px/1 'IBM Plex Mono', monospace; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.draft .dh b { left: 50%; top: -1px; transform: translateX(-50%); }
.draft .dv b { left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(-90deg); }
@media (hover: hover) and (pointer: fine) {
  .has-draft:hover .draft .c { opacity: 1; transform: none; }
  .has-draft:hover .draft .dh, .has-draft:hover .draft .dv { opacity: 1; }
  .has-draft:hover .draft .dh::before { transform: scaleX(1); }
  .has-draft:hover .draft .dv::before { transform: scaleY(1); }
}

.ph { position: relative; overflow: hidden; border-radius: 2px; background: var(--ink-3); }
.ph img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- footer title block ---------- */
.foot { padding: 90px 0 0; border-top: 1px solid var(--line); }
.foot__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.foot__grid a { display: table; color: var(--mute); margin: 12px 0 0; }
.foot__grid a:hover { color: var(--bone); }
.foot__word { width: 100%; height: auto; margin-top: 80px; }
.tb { display: grid; grid-template-columns: 96px 2fr 2fr 1fr 1fr 1.3fr; margin-top: 48px; box-shadow: inset 0 0 0 1px var(--draft); }
.tb > div { padding: 16px 18px; border-left: 1px solid var(--draft); display: flex; flex-direction: column; justify-content: space-between; gap: 10px; min-height: 96px; }
.tb > div:first-child { border-left: 0; align-items: center; justify-content: center; }
.tb > div:first-child img { width: 52px; height: auto; }
.tb span { font: 400 10px/1 'IBM Plex Mono', monospace; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.tb b { font-weight: 400; font-size: 16px; line-height: 1.35; }
.tb .code b { font-size: 44px; font-weight: 200; line-height: 1; letter-spacing: -.02em; }
.foot__bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 28px 0 36px; color: var(--mute); }

.nextp { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; flex-wrap: wrap; padding: 40px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; }
.nextp__t { font-weight: 200; font-size: clamp(40px, 6vw, 96px); letter-spacing: -.02em; line-height: 1; transition: transform 300ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .nextp:hover .nextp__t { transform: translateX(12px); } }

/* ---------- forms ---------- */
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.fld { position: relative; display: flex; flex-direction: column; gap: 8px; }
.fld--full { grid-column: 1 / -1; }
.fld label, .fld .fld__lab { color: var(--mute); transition: color 200ms ease; }
.fld:focus-within label { color: var(--bone); }
.fld input, .fld textarea { background: transparent; border: 0; border-bottom: 1px solid rgba(237, 232, 224, .3); border-radius: 0; color: var(--bone); font: inherit; font-size: 19px; font-weight: 300; padding: 12px 0; outline: none; }
.fld input::placeholder, .fld textarea::placeholder { color: #6F6A63; }
.fld .bar { position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--red); transform: scaleX(0); transform-origin: 0 50%; transition: transform 400ms var(--ease-out); }
.fld input:focus ~ .bar, .fld textarea:focus ~ .bar { transform: scaleX(1); }
.fld textarea { resize: vertical; min-height: 120px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.form-ok { grid-column: 1 / -1; padding: 24px; border-radius: 2px; box-shadow: inset 0 0 0 1px var(--line); display: flex; gap: 16px; align-items: center; transition: opacity 400ms var(--ease-out), transform 400ms var(--ease-out); }
.form-ok[hidden] { display: none; }
@starting-style { .form-ok { opacity: 0; transform: translateY(10px); } }
.form-ok .tick { width: 44px; height: 44px; border-radius: 50%; background: var(--red); display: grid; place-items: center; flex: none; }

/* ---------- preloader ---------- */
.preload { position: fixed; inset: 0; z-index: 100; background: var(--ink); color: var(--bone); display: grid; place-items: center; transition: transform 800ms var(--ease-drawer); }
.preload.is-done { transform: translateY(-100%); }
.preload.is-gone { display: none; }
.preload__mark { position: relative; width: min(220px, 46vw); }
.preload__mark img { width: 100%; height: auto; }
.preload__mark .rise { clip-path: inset(100% 0 0 0); animation: rise 1300ms var(--ease-in-out) 150ms forwards; }
.preload__word { width: min(260px, 56vw); margin: 26px auto 0; opacity: 0; transform: translateY(10px); animation: fin 600ms var(--ease-out) 1000ms forwards; }
.preload__base { position: absolute; left: -12%; right: -12%; bottom: -1px; height: 1px; background: var(--draft-hi); transform: scaleX(0); animation: grow 900ms var(--ease-in-out) forwards; }
.preload__foot { position: absolute; left: 40px; right: 40px; bottom: 36px; display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; color: var(--mute); }
.preload__lvl { font: 300 44px/1 'Jost', sans-serif; color: var(--bone); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.preload__bar { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--red); transform: scaleX(0); transform-origin: 0 50%; transition: transform 200ms linear; }
@keyframes rise { to { clip-path: inset(0 0 0 0); } }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes fin { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
html.no-preload .preload { display: none; }

/* ---------- scroll motion (calm) ---------- */
@supports (animation-timeline: view()) {
  .progress { animation: grow linear both; animation-timeline: scroll(root); }
  .rv { animation: rv linear both; animation-timeline: view(); animation-range: entry 0% entry 45%; }
  .clip { animation: clip linear both; animation-timeline: view(); animation-range: entry 0% entry 60%; }
}
@keyframes rv { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes clip { from { clip-path: inset(3% 3% 3% 3% round 2px); } to { clip-path: inset(0 0 0 0 round 2px); } }
.fade-in { animation: fin 700ms var(--ease-out) 100ms both; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .wrap, .nav__in { padding: 0 20px; }
  .sec { padding: 88px 0; }
  .nav__links, .nav__cta { display: none; }
  .menu-btn { display: grid; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
  .form { grid-template-columns: 1fr; }
  .tb { grid-template-columns: 1fr 1fr; }
  .tb > div { border-left: 0; border-top: 1px solid var(--draft); }
  .tb > div:first-child { display: none; }
  .preload__foot { left: 20px; right: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-delay: 0ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
  .rv, .clip, .progress { animation: none !important; }
  .preload { transition: opacity 200ms ease; }
  .preload.is-done { transform: none; opacity: 0; }
}