:root {
  --bg: #07061a;
  --bg2: #0d0a2a;
  --ink: #f4f2ff;
  --ink2: #c3bfe6;
  --ink3: #8e89c0;
  --line: rgba(185, 166, 255, .18);
  --glass: rgba(16, 12, 46, .55);
  --walker: #7df5d6;
  --health: #c3a6ff;
  --secure: #7dffb8;
  --home: #8be0ff;
  --server: #ffc27a;
  --agents: #cdb8ff;
  --grad: linear-gradient(100deg, #7df5d6 0%, #6f8cff 45%, #a98bff 75%, #ff7eb6 100%);
  --display: "Unbounded", "Inter", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--bg); color-scheme: dark; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--body);
  font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--display); margin: 0; letter-spacing: -0.02em; line-height: 1.05; }
em { font-style: normal; font-weight: 300; }
.c-walker { color: var(--walker); } .c-health { color: var(--health); } .c-secure { color: var(--secure); }
.c-home { color: var(--home); } .c-server { color: var(--server); } .c-agents { color: var(--agents); }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { font-size: 13px; letter-spacing: .32em; color: var(--ink3); font-weight: 600; margin: 0 0 18px; }

/* ---------- header ---------- */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 50; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 16px clamp(16px, 4vw, 48px);
  background: linear-gradient(180deg, rgba(7, 6, 26, .85), rgba(7, 6, 26, 0));
  transition: background .3s, backdrop-filter .3s, border-color .3s; border-bottom: 1px solid transparent;
}
.top.solid { background: rgba(7, 6, 26, .78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom-color: var(--line); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-family: var(--display); font-size: 17px; font-weight: 300; white-space: nowrap; }
.brand b { font-weight: 700; }
.top nav { display: flex; align-items: center; gap: clamp(10px, 2.2vw, 28px); font-size: 15px; }
.top nav a { text-decoration: none; color: var(--ink2); transition: color .2s; }
.top nav a:hover { color: #fff; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; min-height: 44px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .04); color: #fff !important;
}
@media (max-width: 760px) { .top nav a:not(.pill) { display: none; } }

/* ---------- film ---------- */
.film { position: relative; height: 900vh; }
.stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
#gl { position: absolute; inset: 0; width: 100%; height: 100%; display: block; background: radial-gradient(120% 90% at 50% 40%, #1a1450 0%, #07061a 60%); }
.vignette { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(130% 100% at 50% 50%, transparent 55%, rgba(4, 3, 16, .75) 100%); }

.chapter {
  position: absolute; left: clamp(16px, 6vw, 96px); top: 50%; transform: translateY(-50%);
  width: min(520px, calc(100vw - 32px)); opacity: 0; pointer-events: none; will-change: opacity, transform;
}
.chapter.on { pointer-events: auto; }
.chapter h2 { font-size: clamp(38px, 5.4vw, 72px); font-weight: 700; }
.chapter .title { display: flex; align-items: center; gap: 18px; margin: 6px 0 14px; }
.chapter .title svg { width: 64px; height: 64px; flex: none; filter: drop-shadow(0 8px 30px rgba(111, 140, 255, .35)); }
.chapter .tag { font-family: var(--display); font-weight: 300; font-size: clamp(19px, 2vw, 25px); color: #fff; margin: 0 0 12px; }
.chapter p { color: var(--ink2); margin: 0 0 14px; text-shadow: 0 2px 18px rgba(0, 0, 0, .6); }
.status { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink2) !important; }
.status.live { color: #062016 !important; background: var(--walker); border-color: transparent; }
.status.dev { color: #1b0f3d !important; background: var(--health); border-color: transparent; }
.link { display: inline-flex; align-items: center; gap: 8px; color: var(--walker); font-weight: 600; text-decoration: none; min-height: 44px; }
.link:hover { gap: 12px; }

.hero { width: min(860px, calc(100vw - 32px)); }
.hero h1 { font-size: clamp(38px, 6.2vw, 96px); font-weight: 800; letter-spacing: -0.04em; }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .06em; white-space: nowrap; }
.hero h1 .ch { display: inline-block; will-change: transform; }
.hero .lede { font-size: clamp(17px, 1.6vw, 21px); max-width: 600px; color: var(--ink2); margin: 22px 0 30px; }
.cue { display: flex; align-items: center; gap: 12px; font-size: 13px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink3) !important; }
.cue span { width: 1px; height: 44px; background: linear-gradient(var(--walker), transparent); animation: cue 2.2s ease-in-out infinite; }
@keyframes cue { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

.finale { left: 50%; top: 11%; transform: translateX(-50%); width: min(980px, calc(100vw - 32px)); text-align: center; }
.finale .big { font-size: clamp(28px, 4vw, 56px); font-weight: 800; }

.labels { position: absolute; inset: 0; pointer-events: none; }
.labels span {
  position: absolute; transform: translate(-50%, 0); font-family: var(--display); font-size: 13px; letter-spacing: .06em;
  padding: 6px 12px; border-radius: 999px; background: rgba(8, 6, 28, .6); border: 1px solid var(--line); white-space: nowrap; opacity: 0;
}

.rail { position: absolute; right: clamp(12px, 3vw, 40px); top: 50%; transform: translateY(-50%); list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.rail li { display: flex; align-items: center; justify-content: flex-end; gap: 10px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink3); }
.rail li::after { content: ""; width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--ink3); transition: all .3s; }
.rail li span { opacity: 0; transition: opacity .3s; }
.rail li.on { color: #fff; }
.rail li.on span { opacity: 1; }
.rail li.on::after { background: var(--walker); border-color: var(--walker); box-shadow: 0 0 12px var(--walker); }
@media (max-width: 760px) {
  .rail { display: none; }
  .hero { top: 34%; }
  .chapter:not(.hero):not(.finale) { top: auto; bottom: 7vh; transform: none; }
  .chapter .title svg { width: 48px; height: 48px; }
  .chapter p:not(.tag):not(.status) { font-size: 15px; }
}

/* ---------- sections after the film ---------- */
section:not(.film) { position: relative; padding: clamp(90px, 12vw, 160px) clamp(16px, 6vw, 96px); max-width: 1320px; margin: 0 auto; }
section h2 { font-size: clamp(38px, 6vw, 88px); font-weight: 800; margin-bottom: 26px; }
.intro { font-size: clamp(18px, 1.7vw, 22px); color: var(--ink2); max-width: 760px; margin: 0 0 48px; }
.card { padding: 28px; border-radius: 24px; background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(10px); }
.card h3 { font-size: 22px; font-weight: 500; margin: 6px 0 10px; }
.card p { color: var(--ink2); margin: 0; }
.num { font-family: var(--display); font-size: 14px; color: var(--walker); }
.principles, .services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 900px) { .principles, .services { grid-template-columns: minmax(0, 1fr); } }
.manifesto::before {
  content: ""; position: absolute; inset: 10% -10% auto auto; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(111, 140, 255, .18), transparent 65%); pointer-events: none;
}

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 1000px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid { grid-template-columns: minmax(0, 1fr); } }
.app {
  display: flex; gap: 18px; align-items: flex-start; padding: 24px; border-radius: 24px; text-decoration: none;
  background: var(--glass); border: 1px solid var(--line); transition: transform .3s, border-color .3s;
}
a.app:hover { transform: translateY(-4px); border-color: rgba(125, 245, 214, .5); }
.app svg { width: 64px; height: 64px; flex: none; }
.app h3 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.app p { color: var(--ink2); margin: 0 0 12px; font-size: 15px; }
.badge { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink2); }
.badge.live { background: var(--walker); color: #062016; border-color: transparent; }
.badge.dev { background: var(--health); color: #1b0f3d; border-color: transparent; }
.forming { margin-top: 56px; }
.forming > p { color: var(--ink3); letter-spacing: .2em; text-transform: uppercase; font-size: 13px; margin: 0 0 14px; }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.track { display: flex; gap: 14px; width: max-content; }
.track span { font-family: var(--display); font-weight: 300; font-size: clamp(22px, 3vw, 38px); color: var(--ink2); padding: 8px 22px; border-radius: 999px; border: 1px solid var(--line); white-space: nowrap; }

.walker-head { display: flex; gap: 28px; align-items: center; margin-bottom: 18px; }
.walker-logo { width: clamp(84px, 10vw, 128px); height: clamp(84px, 10vw, 128px); flex: none; filter: drop-shadow(0 18px 50px rgba(111, 140, 255, .45)); }
.walker h2 { margin-bottom: 10px; }
.walker .tag { font-family: var(--display); font-weight: 300; font-size: clamp(20px, 2.4vw, 30px); margin: 0; }
.shots { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 10px 0 48px; }
@media (max-width: 900px) { .shots { grid-template-columns: minmax(0, 1fr); } }
.shots figure { margin: 0; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); background: #000; }
.shots img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.shots figcaption { padding: 14px 18px; font-size: 14px; color: var(--ink2); background: var(--glass); }
.features { list-style: none; padding: 0; margin: 0 0 44px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px 32px; }
@media (max-width: 900px) { .features { grid-template-columns: minmax(0, 1fr); } }
.features li { display: flex; flex-direction: column; gap: 4px; border-top: 1px solid var(--line); padding-top: 16px; }
.features b { font-family: var(--display); font-weight: 500; font-size: 18px; }
.features span { color: var(--ink2); font-size: 15px; }
.ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 24px; border-radius: 999px;
  text-decoration: none; font-weight: 600; border: 1px solid var(--line); background: rgba(255, 255, 255, .04); transition: transform .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); background: rgba(255, 255, 255, .08); }
.btn.primary { background: var(--grad); color: #0b0826; border: none; }
.note { color: var(--ink3); font-size: 14px; margin-top: 18px; }

.studio .services { margin-bottom: 40px; }
.foot { padding: 48px clamp(16px, 6vw, 96px) 40px; border-top: 1px solid var(--line); display: grid; gap: 24px; }
.foot-brand { display: flex; gap: 14px; align-items: center; }
.foot-brand div { display: flex; flex-direction: column; }
.foot-brand span { color: var(--ink3); font-size: 14px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.foot nav a { display: inline-flex; align-items: center; gap: 8px; color: var(--ink2); text-decoration: none; min-height: 44px; }
.foot nav a:hover { color: #fff; }
.legal { color: var(--ink3); font-size: 13px; margin: 0; max-width: 900px; }

/* Reveal start state is set by JS only, so the page reads fine without it. */
@media (prefers-reduced-motion: reduce) {
  .cue span { animation: none; }
}

/* ---------- FAQ ---------- */
.qa { display: grid; gap: 14px; max-width: 900px; }
.qa details { border: 1px solid var(--line); border-radius: 20px; background: var(--glass); padding: 0 24px; }
.qa summary { cursor: pointer; list-style: none; padding: 22px 0; display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 44px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; font-family: var(--display); font-size: 24px; color: var(--walker); transition: transform .25s; }
.qa details[open] summary::after { transform: rotate(45deg); }
.qa h3 { font-size: 18px; font-weight: 500; line-height: 1.35; }
.qa p { color: var(--ink2); margin: 0 0 22px; }
.note a { color: var(--walker); }

/* ---------- content pages ---------- */
.page main { padding-top: 90px; }
.page-hero h1 { font-size: clamp(44px, 7vw, 96px); font-weight: 800; }
.page-hero .tag { font-family: var(--display); font-weight: 300; font-size: clamp(20px, 2.4vw, 30px); margin: 10px 0 18px; }
.crumbs { display: flex; gap: 10px; font-size: 14px; color: var(--ink3); margin-bottom: 28px; }
.crumbs a { color: var(--ink2); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 900px) { .steps { grid-template-columns: minmax(0, 1fr); } }
.reqs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 32px; margin: 0; }
@media (max-width: 760px) { .reqs { grid-template-columns: minmax(0, 1fr); } }
.reqs div { border-top: 1px solid var(--line); padding-top: 14px; }
.reqs dt { font-family: var(--display); font-weight: 500; font-size: 18px; }
.reqs dd { margin: 4px 0 0; color: var(--ink2); }
.page section:not(.film) { padding-top: clamp(60px, 8vw, 110px); padding-bottom: 0; }
.page .foot { margin-top: 110px; }

.page section h2 { font-size: clamp(30px, 4.2vw, 56px); }

.contact { margin: 0 0 28px; max-width: 900px; }
.contact h3 { font-size: 26px; font-weight: 700; }
.contact p { margin: 8px 0 20px; font-size: 17px; }
.contact a:not(.btn) { color: var(--walker); }