:root {
  --ink: #0b1712;
  --deep: #12261c;
  --moss: #6c8a41;
  --lichen: #a7bb6a;
  --snow: #eef1ea;
  --mist: #c8d0c3;
  --ember: #ff6a1f;
  --ember-hot: #ffc27a;
  --display: 'Inter Tight', 'Inter', system-ui, sans-serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --gutter: clamp(20px, 3.4vw, 56px);
  color-scheme: dark;
}
* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; overflow: hidden; overscroll-behavior: none; }
body { background: var(--ink); color: var(--snow); font: 400 16px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
#gl { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
#dissolve { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 30; }

/* ---------- header ---------- */
.top { position: fixed; inset: 0 0 auto; z-index: 20; display: flex; align-items: center; justify-content: space-between; padding: 26px var(--gutter); pointer-events: none; }
.top > * { pointer-events: auto; }
.top::before { content: ''; position: absolute; inset: 0 0 -40px; z-index: -1; background: linear-gradient(rgba(8, 20, 15, 0.5), transparent); opacity: var(--top-scrim, 0.35); transition: opacity 0.8s; pointer-events: none; }
body[data-tone='light'] { --top-scrim: 1; }
body[data-tone='light'] .panel::before { background: radial-gradient(closest-side, rgba(8, 20, 15, 0.62), rgba(8, 20, 15, 0.32) 55%, transparent); }
.brand { display: flex; align-items: center; gap: 10px; font: 800 22px/1 var(--display); color: var(--snow); text-decoration: none; letter-spacing: -0.03em; }
.brand i { width: 10px; height: 10px; background: var(--ember); box-shadow: 0 0 0 3px rgba(255, 106, 31, 0.18), 0 0 18px rgba(255, 106, 31, 0.6); animation: pulse 2.4s ease-in-out infinite; }
.brand span { color: var(--ember); font: 500 12px/1 var(--mono); letter-spacing: 0; margin-left: -6px; transform: translateY(-6px); }
.nav { display: flex; gap: 6px; }
.nav button { font: 500 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 10px 12px; color: rgba(238, 241, 234, 0.72); position: relative; transition: color 0.25s; }
.nav button::after { content: ''; position: absolute; left: 12px; right: 12px; bottom: 3px; height: 2px; background: var(--ember); transform: scaleX(0); transform-origin: left; transition: transform 0.4s cubic-bezier(0.2, 0.75, 0.15, 1); }
.nav button:hover, .nav button.on { color: var(--snow); }
.nav button.on::after { transform: scaleX(1); }
.nav .cta { border: 2px solid rgba(238, 241, 234, 0.4); margin-left: 8px; }
.nav .cta:hover { border-color: var(--ember); }
.nav .cta::after { display: none; }
.nav button:focus-visible, .brand:focus-visible, #hint:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; }
@keyframes pulse { 50% { box-shadow: 0 0 0 5px rgba(255, 106, 31, 0.1), 0 0 26px rgba(255, 106, 31, 0.8); } }

/* ---------- panels ---------- */
#panels { position: fixed; inset: 0; z-index: 10; pointer-events: none; }
.panel { position: absolute; left: var(--gutter); top: clamp(110px, 17vh, 190px); width: min(560px, 44vw); visibility: hidden; }
.panel::before { content: ''; position: absolute; inset: -140px -200px -120px -240px; z-index: -1; pointer-events: none;
  background: radial-gradient(closest-side, rgba(8, 20, 15, 0.55), rgba(8, 20, 15, 0.25) 55%, transparent); opacity: 0; transition: opacity 0.8s; }
.panel.on { visibility: visible; pointer-events: auto; }
.panel.on::before { opacity: 1; }
.eyebrow { font: 500 12px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ember-hot); display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.eyebrow::before { content: ''; width: 8px; height: 8px; background: var(--ember); box-shadow: 0 0 12px rgba(255, 106, 31, 0.8); }
.eyebrow b { font-weight: 400; color: var(--ember); }
h1, h2 { font: 800 clamp(44px, 5.4vw, 88px)/1 var(--display); letter-spacing: -0.04em; text-wrap: balance; }
h1 em, h2 em { font-style: normal; color: var(--ember-hot); }
.lede { margin-top: 26px; font-size: clamp(15px, 1.12vw, 18px); line-height: 1.6; max-width: 40ch; color: rgba(238, 241, 234, 0.9); text-shadow: 0 1px 2px rgba(8, 20, 15, 1), 0 0 4px rgba(8, 20, 15, 0.95), 0 0 12px rgba(8, 20, 15, 0.85), 0 2px 24px rgba(8, 20, 15, 0.8); }
h1, h2 { text-shadow: 0 2px 30px rgba(8, 20, 15, 0.45); }

/* staggered reveal: each line rises out of a mask */
.rv { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.rv > span { display: inline-block; transform: translateY(105%); transition: transform 0.9s cubic-bezier(0.2, 0.75, 0.15, 1); }
.panel.on .rv > span { transform: none; }
.fade { opacity: 0; transform: translateY(12px); transition: opacity 0.8s, transform 0.9s cubic-bezier(0.2, 0.75, 0.15, 1); }
.panel.on .fade { opacity: 1; transform: none; }

.hint-steps { margin-top: 28px; font: 400 11px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: rgba(238, 241, 234, 0.6); display: flex; gap: 10px; align-items: center; }
.hint-steps span { width: 14px; height: 14px; border: 2px solid var(--ember); animation: blink 1.6s ease-in-out infinite; }
@keyframes blink { 50% { background: var(--ember); } }

/* ---------- contact ---------- */
.panel.contact { top: clamp(92px, 12vh, 140px); width: min(520px, 40vw); }
.panel[data-i="0"] { width: min(660px, 50vw); }
.contact h2 { font-size: clamp(40px, 4.6vw, 74px); }
#contact { margin-top: 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
#contact label { display: grid; gap: 7px; }
#contact .topics { border: 0; padding: 0; margin: 0; min-width: 0; }
#contact .topics legend { padding: 0; margin-bottom: 9px; font: 500 10px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--lichen); }
#contact .topics .chips { display: flex; flex-wrap: wrap; gap: 8px; }
#contact .topics label { display: inline-flex; position: relative; cursor: pointer; }
#contact .topics input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
#contact .topics label span { font: 500 12px/1 var(--mono); letter-spacing: 0.04em; text-transform: none; color: var(--mist); padding: 10px 12px 10px 28px; border: 2px solid rgba(200, 208, 195, 0.22); background: rgba(11, 23, 18, 0.62); position: relative; transition: border-color 0.2s, color 0.2s; }
#contact .topics label span::before { content: ''; position: absolute; left: 11px; top: 50%; width: 8px; height: 8px; margin-top: -4px; border: 2px solid rgba(200, 208, 195, 0.5); }
#contact .topics input:checked + span { border-color: var(--ember); color: var(--snow); }
#contact .topics input:checked + span::before { background: var(--ember); border-color: var(--ember); box-shadow: 0 0 10px rgba(255, 106, 31, 0.8); }
#contact .topics input:focus-visible + span { outline: 2px solid var(--ember); outline-offset: 2px; }
#contact .wide { grid-column: 1 / -1; }
#contact label span { font: 400 10px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--lichen); }
#contact input, #contact textarea { font: inherit; font-size: 15px; color: var(--snow); background: rgba(11, 23, 18, 0.62); border: 2px solid rgba(200, 208, 195, 0.22); padding: 12px 13px; border-radius: 0; resize: none; backdrop-filter: blur(6px); transition: border-color 0.2s, background 0.2s; }
#contact input::placeholder, #contact textarea::placeholder { color: rgba(200, 208, 195, 0.4); }
#contact input:focus, #contact textarea:focus { outline: none; border-color: var(--ember); background: rgba(11, 23, 18, 0.8); }
#contact input[aria-invalid='true'], #contact textarea[aria-invalid='true'] { border-color: #ff9a62; }
#contact button { grid-column: 1 / -1; justify-self: start; display: flex; align-items: center; gap: 12px; margin-top: 6px; padding: 15px 22px; font: 400 12px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; background: var(--ember); color: var(--ink); box-shadow: 0 0 0 0 rgba(255, 106, 31, 0.5), 0 10px 40px -10px rgba(255, 106, 31, 0.8); transition: transform 0.2s, box-shadow 0.3s; }
#contact button:hover { transform: translateY(-2px); box-shadow: 0 0 0 4px rgba(255, 106, 31, 0.22), 0 14px 50px -10px rgba(255, 106, 31, 0.95); }
#contact button:focus-visible { outline: 2px solid var(--snow); outline-offset: 3px; }
#contact button i { width: 8px; height: 8px; background: var(--ink); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
#contact button[disabled] { opacity: 0.6; cursor: progress; }
.sent.err { color: #ff9a62; }
.sent { grid-column: 1 / -1; min-height: 1.4em; font: 400 11px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ember-hot); }

/* ---------- trail markers ---------- */
#markers { position: fixed; inset: 0; z-index: 9; pointer-events: none; }
.mk { position: absolute; left: 0; top: 0; display: grid; grid-template-columns: auto 1fr; column-gap: 12px; align-items: baseline; width: 250px; opacity: 0; transform: translate(-9999px, 0); transition: opacity 0.6s; }
.mk b { grid-row: span 2; font: 400 11px/1 var(--mono); color: var(--ink); background: var(--ember); padding: 5px 6px; align-self: start; }
.mk strong { font: 700 24px/1.05 var(--display); letter-spacing: -0.02em; color: var(--snow); text-shadow: 0 2px 18px rgba(8, 20, 15, 0.9); }
.mk span { font-size: 14px; line-height: 1.45; color: rgba(238, 241, 234, 0.85); margin-top: 6px; text-shadow: 0 1px 10px rgba(8, 20, 15, 0.95); }
.mk.on { opacity: 1; }
.mk.past { opacity: 0.55; }

/* ---------- footer ---------- */
.bottom::before { content: ''; position: absolute; inset: -50px 0 0; z-index: -1; background: linear-gradient(transparent, rgba(8, 20, 15, 0.45)); pointer-events: none; }
.bottom { position: fixed; inset: auto 0 0; z-index: 20; display: flex; justify-content: space-between; align-items: flex-end; padding: 24px var(--gutter); pointer-events: none; font: 400 11px/1.3 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: rgba(238, 241, 234, 0.66); }
#coord { display: flex; gap: 14px; align-items: center; text-shadow: 0 1px 8px rgba(8, 20, 15, 0.8); }
#coord b { font-weight: 400; color: var(--snow); }
#coord i { width: 6px; height: 6px; background: var(--ember); }
.progress { display: flex; align-items: center; gap: 12px; pointer-events: auto; }
#idx { color: var(--snow); }
#pips { display: flex; gap: 6px; }
#pips button { width: 22px; height: 6px; background: rgba(238, 241, 234, 0.22); transition: background 0.3s; padding: 0; }
#pips button:hover { background: rgba(238, 241, 234, 0.5); }
#pips button.on { background: var(--ember); box-shadow: 0 0 10px rgba(255, 106, 31, 0.7); }

#hint { position: fixed; left: 50%; bottom: 26px; z-index: 20; transform: translateX(-50%); display: grid; justify-items: center; gap: 10px; font: 400 10px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: rgba(238, 241, 234, 0.75); transition: opacity 0.5s; }
#hint i { width: 10px; height: 10px; border-right: 3px solid var(--ember); border-bottom: 3px solid var(--ember); transform: rotate(45deg); animation: nudge 1.6s ease-in-out infinite; }
#hint.off { opacity: 0; pointer-events: none; }
@keyframes nudge { 50% { transform: translateY(5px) rotate(45deg); } }

.noscript { position: fixed; inset: 40% 10%; font: 600 20px var(--display); }

@media (max-width: 1100px) {
  .nav { gap: 0; }
  .nav button { padding: 10px 8px; }
}
@media (max-width: 860px) {
  :root { --gutter: 20px; }
  .top { padding: 18px var(--gutter); }
  .nav button:not(.cta) { display: none; }
  .panel, .panel.contact, .panel[data-i="0"] { width: calc(100vw - 2 * var(--gutter)); top: 84px; }
  .panel::before { inset: -100px -60px -80px -60px; }
  .eyebrow { margin-bottom: 14px; font-size: 11px; }
  h1, h2 { font-size: clamp(38px, 10.5vw, 60px); }
  .contact h2 { font-size: clamp(34px, 9vw, 52px); }
  .lede { margin-top: 16px; font-size: 15px; }
  .hint-steps { margin-top: 18px; }
  #contact { grid-template-columns: 1fr; gap: 10px; margin-top: 18px; }
  #contact input, #contact textarea { padding: 10px 12px; }
  .panel.contact { max-height: calc(100% - 140px); overflow-y: auto; overscroll-behavior: contain; }
  /* portrait phones: the form fills the space down to the footer, the message box takes the slack */
  @media (orientation: portrait) {
    .panel.contact { bottom: 64px; max-height: none; display: flex; flex-direction: column; }
    .panel.contact.on { pointer-events: none; }
    .panel.contact.on > * { pointer-events: auto; }
    #contact { flex: 1; min-height: 0; grid-template-rows: auto auto auto 1fr auto auto; align-content: stretch; }
    #contact label.wide { grid-template-rows: auto 1fr; }
    #contact textarea { height: 100%; min-height: 72px; }
  }
  /* the glow's negative inset made the scroll box think it overflowed */
  .panel.contact::before { inset: 0; }
  /* text panels float in the middle of the space between header and footer */
  .panel:not(.contact) { bottom: 72px; display: flex; flex-direction: column; justify-content: center; }
  .panel[data-i="4"] { bottom: 236px; }
  .panel.on:not(.contact) { pointer-events: none; }
  .panel.on:not(.contact) > * { pointer-events: auto; }
  .eyebrow { align-self: flex-start; }
  /* trail lines sit as a card above the footer instead of beside the marker */
  .mk { left: var(--gutter) !important; right: var(--gutter); top: auto !important; bottom: 108px; width: auto; transform: none !important; padding: 14px 16px; background: rgba(11, 23, 18, 0.72); backdrop-filter: blur(6px); }
  .mk.past { opacity: 0; }
  .mk strong { font-size: 22px; }
  .bottom { padding: 16px var(--gutter); font-size: 10px; }
  #coord span { display: none; }
  #pips button { width: 14px; }
  #hint { bottom: 64px; }
}
@media (max-width: 860px) and (max-height: 700px) and (orientation: portrait) {
  .eyebrow { margin-bottom: 10px; }
  h1, h2 { font-size: clamp(32px, 9vw, 48px); }
  .lede { margin-top: 12px; font-size: 14px; line-height: 1.5; }
  .hint-steps { margin-top: 12px; }
  /* contact: fit the whole form without scrolling */
  .panel.contact { top: 78px; }
  .contact h2 { font-size: clamp(32px, 9vw, 44px); }
  #contact { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-rows: auto auto 1fr auto auto; gap: 10px; margin-top: 16px; }
  #contact input, #contact textarea { width: 100%; min-width: 0; padding: 10px 12px; font-size: 16px; }
  #contact textarea { min-height: 56px; }
  #contact .topics .chips { gap: 6px; }
  #contact .topics label span { font-size: 11px; padding: 9px 10px 9px 26px; }
  #contact button { margin-top: 4px; }
  .sent { min-height: 0; }
}
@media (max-width: 860px) and (max-height: 600px) and (orientation: portrait) {
  .panel.contact { top: 70px; bottom: 56px; }
  .contact h2 { font-size: 30px; }
  #contact { gap: 8px; margin-top: 10px; }
  #contact label { gap: 5px; }
  #contact input, #contact textarea { padding: 8px 10px; }
  #contact .topics legend { margin-bottom: 6px; }
  #contact .topics label span { padding: 7px 8px 7px 24px; }
  #contact .topics label span::before { left: 8px; }
  #contact textarea { min-height: 44px; }
  #contact button { margin-top: 2px; padding: 12px 18px; }
}
@media (max-height: 560px) and (orientation: landscape) {
  .panel, .panel.contact, .panel[data-i="0"] { top: 70px; width: min(560px, 60vw); }
  .panel:not(.contact), .panel[data-i="4"] { bottom: auto; display: block; }
  .eyebrow { margin-bottom: 10px; }
  h1, h2, .contact h2 { font-size: clamp(30px, 8vh, 52px); }
  .lede { display: block; margin-top: 10px; font-size: 13px; max-width: 46ch; }
  .hint-steps { margin-top: 10px; }
  .panel.contact { max-height: calc(100% - 118px); overflow-y: auto; overscroll-behavior: contain; padding-right: 6px; }
  #contact { grid-template-columns: 1fr 1fr; margin-top: 12px; }
  #contact textarea { height: 64px; }
  .mk { left: auto !important; right: var(--gutter); width: min(340px, 38vw); bottom: 56px; }
  #hint { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .rv > span, .fade { transition-duration: 0.01s; }
}
/* large displays: scale the chrome and type with the canvas */
@media (min-width: 1900px) {
  :root { --gutter: clamp(56px, 3.4vw, 96px); }
  .top { padding: 34px var(--gutter); }
  .brand { font-size: 28px; }
  .nav button { font-size: 14px; padding: 12px 16px; }
  .panel { width: min(760px, 40vw); top: clamp(160px, 17vh, 260px); }
  .panel[data-i="0"] { width: min(980px, 46vw); }
  .panel.contact { width: min(680px, 36vw); }
  h1, h2 { font-size: clamp(88px, 5.4vw, 140px); }
  .contact h2 { font-size: clamp(74px, 4.4vw, 112px); }
  .eyebrow { font-size: 14px; margin-bottom: 28px; }
  .lede { font-size: 20px; margin-top: 32px; }
  .hint-steps, #hint, .bottom { font-size: 13px; }
  .bottom { padding: 32px var(--gutter); }
  #pips button { width: 30px; height: 7px; }
  .mk { width: 320px; }
  .mk strong { font-size: 30px; }
  .mk span { font-size: 16px; }
  #contact label span, #contact .topics legend { font-size: 12px; }
  #contact input, #contact textarea { font-size: 17px; padding: 14px 16px; }
  #contact .topics label span { font-size: 14px; }
  #contact button { font-size: 14px; padding: 18px 26px; }
}