/* Agenta · agenta.work
   Layout: one dark scroll story. The ring opens in the hero, a Signal pulse travels the page, and the ring closes, live, at the form.
   Tokens follow the Agenta brand guidelines v1.2. Dark theme throughout, by design. */
:root {
  --ink: #0E0E0F; --ink-900: #161618; --ink-800: #1F1F22; --ink-700: #2C2C30; --ink-600: #48484D;
  --g500: #6E6E73; --g400: #8C8C8C; --g300: #B4B4AE; --paper-200: #D9D8D2; --paper: #F4F3EF;
  --signal: #FF5B1F; --signal-300: #FF9A73; --ok: #3DD68C; --danger: #FF5C7A;
  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --wrap: 1240px; --r: 14px; --r-lg: 22px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--paper); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--ink); }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 500; text-wrap: balance; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--signal); color: var(--ink); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--paper); color: var(--ink); padding: 10px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { top: 12px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: 100%; max-width: calc(var(--wrap) + 2 * max(24px, env(safe-area-inset-left, 0px))); margin: 0 auto; padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: max(24px, env(safe-area-inset-right, 0px)); }
section { position: relative; }
.band { padding-block: clamp(80px, 12vw, 160px); }

/* Type */
.eyebrow { font: 500 12.5px/1.2 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--signal); display: inline-flex; align-items: center; gap: 10px; }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 4px rgba(255, 91, 31, .18); animation: pulse 2.4s var(--ease) infinite; }
.label { font: 500 12px/1.2 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--g400); }
.display { font-size: clamp(54px, 9vw, 128px); line-height: .92; letter-spacing: -.045em; }
.h2 { font-size: clamp(36px, 5.2vw, 68px); line-height: 1.02; letter-spacing: -.035em; }
.h3 { font-size: clamp(22px, 2.2vw, 28px); line-height: 1.2; letter-spacing: -.02em; }
.serif { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -.01em; }
.signal { color: var(--signal); }
.lead { font-size: clamp(18px, 1.6vw, 21px); line-height: 1.55; color: var(--g300); max-width: 34em; }
.muted { color: var(--g400); }
.small { font-size: 15px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 52px; padding: 0 26px; border-radius: 999px; font-weight: 500; font-size: 16px; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform .25s var(--ease), background-color .25s, border-color .25s, color .25s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--signal); color: var(--ink); }
.btn-primary:hover { background: #ff6d36; }
.btn-ghost { border-color: var(--ink-600); color: var(--paper); background: transparent; }
.btn-ghost:hover { border-color: var(--g400); }
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }
.link { color: var(--paper); text-decoration: none; border-bottom: 1px solid var(--ink-600); padding-bottom: 2px; transition: border-color .2s; }
.link:hover { border-color: var(--signal); }

/* Header */
.site-header { position: fixed; top: env(safe-area-inset-top, 0px); left: 0; right: 0; z-index: 50; transition: background-color .3s, border-color .3s; border-bottom: 1px solid transparent; }
.site-header.scrolled { background: rgba(14, 14, 15, .82); -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%); border-bottom-color: var(--ink-700); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand img { height: 26px; width: auto; }
.nav-links { display: flex; gap: 34px; list-style: none; margin: 0; padding: 0; }
.nav-links a { text-decoration: none; color: var(--g300); font-size: 15px; transition: color .2s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--paper); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-actions .btn { height: 42px; padding: 0 18px; font-size: 14.5px; }
.nav-cta { opacity: 0; transform: translateY(-6px); pointer-events: none; transition: opacity .3s, transform .3s var(--ease); }
.nav-cta.show { opacity: 1; transform: none; pointer-events: auto; }
.wa { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--ink-600); display: grid; place-items: center; color: var(--g300); transition: border-color .2s, color .2s; }
.wa:hover { border-color: var(--g400); color: var(--paper); }
.menu-btn { display: none; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--ink-600); background: none; cursor: pointer; place-items: center; }
.menu-btn span, .menu-btn span::before { display: block; width: 16px; height: 1.5px; background: var(--paper); position: relative; transition: transform .3s var(--ease); }
.menu-btn span::before { content: ""; position: absolute; top: 5px; }
.menu-btn span { transform: translateY(-2.5px); }
.menu-open .menu-btn span { transform: rotate(45deg); }
.menu-open .menu-btn span::before { transform: translateY(-5px) rotate(-90deg); }
.mobile-menu { display: none; }

/* Hero */
.hero { padding-top: calc(76px + clamp(48px, 9vw, 120px)); padding-bottom: clamp(64px, 9vw, 120px); overflow: hidden; }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-copy { display: flex; flex-direction: column; gap: 28px; min-width: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-tools { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; color: var(--g400); font-size: 14px; }
.hero-tools .label { color: var(--g500); }

/* Agent stage */
.stage { position: relative; width: 100%; max-width: 560px; aspect-ratio: 1; justify-self: end; }
.stage-glow { position: absolute; inset: 14%; border-radius: 50%; background: radial-gradient(closest-side, rgba(255, 91, 31, .32), rgba(255, 91, 31, .08) 55%, transparent 72%); filter: blur(6px); }
.stage-orbit { position: absolute; inset: 6%; border-radius: 50%; border: 1px solid var(--ink-700); }
.stage-orbit.o2 { inset: -4%; border-color: rgba(44, 44, 48, .6); }
.ring { position: absolute; inset: 22%; animation: spin 30s linear infinite; }
.ring svg { width: 100%; height: 100%; overflow: visible; }
.ring .arc { transform-origin: 60px 60px; }
.ring .arc-team { animation: draw-team 1.4s var(--ease) both; }
.ring .arc-agent { animation: draw-agent 1.4s .25s var(--ease) both; }
.agent-dot { position: absolute; left: 50%; top: 50%; width: 16px; height: 16px; margin: -8px 0 0 -8px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 6px rgba(255, 91, 31, .18), 0 0 28px 6px rgba(255, 91, 31, .55); will-change: transform; z-index: 3; }
.agent-dot::after { content: ""; position: absolute; inset: -10px; border-radius: 50%; border: 1px solid var(--signal); opacity: 0; }
.agent-dot.hit::after { animation: ping .8s var(--ease); }
.task { position: absolute; left: 50%; top: 50%; z-index: 2; display: flex; align-items: center; gap: 10px; padding: 9px 14px 9px 10px; border-radius: 999px; background: rgba(22, 22, 24, .92); border: 1px solid var(--ink-700); font: 500 12.5px/1 var(--mono); color: var(--g300); white-space: nowrap; transform: translate(-50%, -50%) scale(.9); opacity: 0; transition: opacity .45s var(--ease), transform .45s var(--ease), border-color .3s, color .3s; }
.task.in { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.task.run { border-color: rgba(255, 91, 31, .7); color: var(--paper); }
.task.done { border-color: rgba(61, 214, 140, .55); color: var(--paper); }
.task.out { opacity: 0; transform: translate(-50%, -60%) scale(.96); }
.task i { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; flex: none; border: 1px solid var(--ink-600); font-style: normal; }
.task.run i { border-color: var(--signal); border-top-color: transparent; animation: spin .8s linear infinite; }
.task.done i { border-color: var(--ok); background: var(--ok); }
.task.done i::before { content: ""; width: 7px; height: 4px; border: 2px solid var(--ink); border-top: 0; border-right: 0; transform: rotate(-45deg) translate(1px, -1px); }
.stage-log { position: absolute; left: 50%; bottom: -2%; transform: translateX(-50%); width: min(92%, 380px); height: 66px; overflow: hidden; font: 400 12px/22px var(--mono); color: var(--g500); mask-image: linear-gradient(to bottom, transparent, #000 40%); -webkit-mask-image: linear-gradient(to bottom, transparent, #000 40%); }
.stage-log div { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stage-log b { color: var(--g300); font-weight: 500; }
.stage-log .ok { color: var(--ok); }

/* Section heads */
.head { display: flex; flex-direction: column; gap: 20px; max-width: 760px; }
.head.center { margin: 0 auto; text-align: center; align-items: center; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: center; }

/* 02 Leak */
.leak { overflow: hidden; }
.leak-field { position: relative; height: 440px; margin-top: 64px; }
.chip { position: absolute; left: 0; top: 0; display: inline-flex; align-items: center; gap: 10px; padding: 12px 18px; border-radius: 999px; background: var(--ink-900); border: 1px solid var(--ink-700); font-size: 15px; color: var(--g300); white-space: nowrap; will-change: transform, opacity; }
.chip .t { font: 500 12px/1 var(--mono); color: var(--g500); }
.leak-ring { position: absolute; right: 4%; top: 50%; width: 220px; height: 220px; margin-top: -110px; }
.leak-ring svg { width: 100%; height: 100%; animation: spin 30s linear infinite; }
.leak-ring .glow { position: absolute; inset: -30%; border-radius: 50%; background: radial-gradient(closest-side, rgba(255, 91, 31, .28), transparent 70%); }
.leak-note { position: absolute; right: 4%; top: calc(50% + 130px); width: 220px; text-align: center; }
.leak-caption { margin-top: 18px; }

/* 03 Agent demo */
.demo { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; margin-top: 64px; }
.panel { background: var(--ink-900); border: 1px solid var(--ink-700); border-radius: var(--r-lg); overflow: hidden; min-width: 0; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--ink-700); }
.panel-head .who { display: flex; align-items: center; gap: 12px; font-size: 15px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--ink-700); display: grid; place-items: center; font: 500 13px/1 var(--mono); color: var(--g300); }
.status { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--ink-600); font: 500 11.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--g300); transition: color .3s, border-color .3s; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--g500); }
.status.running { color: var(--signal); border-color: rgba(255, 91, 31, .6); }
.status.running::before { background: var(--signal); animation: pulse 1.4s infinite; }
.status.done { color: var(--ok); border-color: rgba(61, 214, 140, .5); }
.status.done::before { background: var(--ok); }
.chat { display: flex; flex-direction: column; gap: 12px; padding: 24px 22px 28px; min-height: 420px; }
.msg { max-width: 82%; padding: 12px 16px; border-radius: 16px; font-size: 15px; line-height: 1.5; transition: opacity .4s var(--ease), transform .4s var(--ease); }
.msg.them { align-self: flex-start; background: var(--ink-800); border-bottom-left-radius: 4px; }
.msg.us { align-self: flex-end; background: #2a1a12; border: 1px solid rgba(255, 91, 31, .35); border-bottom-right-radius: 4px; }
.msg .meta { display: block; margin-top: 6px; font: 400 11px/1 var(--mono); color: var(--g500); }
.msg.pending { opacity: 0; transform: translateY(8px); }
.typing { align-self: flex-end; display: none; gap: 4px; padding: 14px 16px; border-radius: 16px; background: #2a1a12; border: 1px solid rgba(255, 91, 31, .35); }
.typing.on { display: inline-flex; }
.typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--signal-300); animation: blink 1s infinite; }
.typing span:nth-child(2) { animation-delay: .15s; }
.typing span:nth-child(3) { animation-delay: .3s; }
.timeline { list-style: none; margin: 0; padding: 26px 22px; display: flex; flex-direction: column; }
.step { position: relative; display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; gap: 14px; padding-bottom: 26px; }
.step:last-child { padding-bottom: 0; }
.step::before { content: ""; position: absolute; left: 12px; top: 26px; bottom: 0; width: 1px; background: var(--ink-700); }
.step:last-child::before { display: none; }
.step .node { width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--ink-600); display: grid; place-items: center; background: var(--ink-900); transition: border-color .3s, background-color .3s; }
.step .node::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ink-600); transition: background-color .3s; }
.step .ev { font: 500 13.5px/1.3 var(--mono); color: var(--g400); transition: color .3s; }
.step .desc { font-size: 14.5px; color: var(--g500); margin-top: 4px; }
.step time { font: 400 12px/1.3 var(--mono); color: var(--g500); }
.step.on .node { border-color: var(--signal); }
.step.on .node::after { background: var(--signal); }
.step.on .ev { color: var(--paper); }
.step.ok .node { border-color: var(--ok); }
.step.ok .node::after { background: var(--ok); }
.step.ok .ev { color: var(--paper); }
.panel-foot { display: flex; justify-content: space-between; gap: 12px; padding: 16px 22px; border-top: 1px solid var(--ink-700); font: 400 12px/1.4 var(--mono); color: var(--g500); }
.replay { background: none; border: 0; padding: 0; cursor: pointer; font: inherit; color: var(--g300); text-decoration: underline; text-underline-offset: 3px; }

/* 04 Loop (sticky) */
.loop-wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); margin-top: 72px; }
.loop-sticky { position: sticky; top: 110px; align-self: start; }
.loop-dial { position: relative; width: 100%; max-width: 480px; aspect-ratio: 1; margin: 0 auto; }
.loop-dial svg { width: 100%; height: 100%; overflow: visible; }
.loop-dial .track { fill: none; stroke: var(--ink-700); stroke-width: 1.5; }
.loop-dial .prog { fill: none; stroke: var(--signal); stroke-width: 3; stroke-linecap: round; transition: stroke-dashoffset .6s var(--ease); }
.loop-node { position: absolute; transform: translate(-50%, -50%); display: flex; align-items: center; justify-content: center; padding: 10px 16px; border-radius: 999px; background: var(--ink-900); border: 1px solid var(--ink-600); font-size: 15px; color: var(--g400); white-space: nowrap; transition: color .3s, border-color .3s, background-color .3s; }
.loop-node b { font: 500 11.5px/1 var(--mono); color: var(--g500); margin-right: 8px; transition: color .3s; }
.loop-node.on { color: var(--paper); border-color: var(--signal); background: #1d1410; }
.loop-node.on b { color: var(--signal); }
.loop-node.past { color: var(--g300); border-color: var(--ink-600); }
.loop-center { position: absolute; inset: 30%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 6px; }
.loop-center .big { font-size: clamp(30px, 3.4vw, 44px); letter-spacing: -.03em; line-height: 1; }
.loop-steps { display: flex; flex-direction: column; gap: 22vh; padding-block: 8vh 20vh; }
.loop-step { display: flex; flex-direction: column; gap: 14px; opacity: .38; transition: opacity .4s; }
.loop-step.on { opacity: 1; }
.loop-step .gets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.tag { display: inline-flex; padding: 7px 12px; border-radius: 999px; border: 1px solid var(--ink-700); font-size: 13.5px; color: var(--g300); }

/* 05 Offer */
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 64px; }
.card { position: relative; display: flex; flex-direction: column; gap: 18px; padding: 30px 26px 26px; border-radius: var(--r-lg); background: var(--ink-900); border: 1px solid var(--ink-700); text-decoration: none; min-width: 0; transition: border-color .3s, transform .35s var(--ease), background-color .3s; }
.card:hover { border-color: var(--ink-600); transform: translateY(-4px); background: #19191b; }
.card .ico { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--ink-800); border: 1px solid var(--ink-700); color: var(--paper); }
.card .ico svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; color: var(--g400); font-size: 15px; }
.card li::before { content: "→ "; color: var(--g500); }
.card .more { margin-top: auto; font-size: 14.5px; color: var(--g300); }
.card:hover .more { color: var(--signal); }
.card:hover .ico { color: var(--signal); }
.card:hover .ico .spin { animation: spin 2.4s linear infinite; transform-origin: 12px 12px; }
.card:hover .ico .flow { animation: flow 1.2s linear infinite; }
.card:hover .ico .lift { animation: lift 1.2s var(--ease) infinite alternate; }
.card:hover .ico .turn { animation: turn 2s var(--ease) infinite alternate; transform-origin: 12px 12px; }

/* 06 Tools marquee */
.tools { padding-block: 72px; border-top: 1px solid var(--ink-800); border-bottom: 1px solid var(--ink-800); overflow: hidden; }
.marquee { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.marquee ul { display: flex; gap: 56px; padding-right: 56px; margin: 0; list-style: none; }
.marquee li { font-size: clamp(22px, 2.4vw, 30px); letter-spacing: -.02em; color: var(--ink-600); white-space: nowrap; transition: color .3s; }
.marquee li:hover { color: var(--g300); }
.tools:hover .marquee { animation-play-state: paused; }
.tools .label { display: block; text-align: center; margin-bottom: 34px; }

/* 07 Humans */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 64px; background: var(--ink-700); border: 1px solid var(--ink-700); border-radius: var(--r-lg); overflow: hidden; }
.pillar { background: var(--ink); padding: 36px 30px; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.pillar .n { font: 500 12px/1 var(--mono); color: var(--g500); letter-spacing: .14em; }
.switch-demo { margin-top: 8px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 16px; border-radius: 14px; background: var(--ink-900); border: 1px solid var(--ink-700); }
.switch-demo .nm { display: flex; flex-direction: column; gap: 4px; font-size: 14.5px; min-width: 0; }
.switch-demo .st { font: 500 11.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--signal); }
.switch-demo.off .st { color: var(--g500); }
.toggle { position: relative; width: 52px; height: 30px; flex: none; border-radius: 999px; border: 1px solid var(--ink-600); background: #2a1a12; cursor: pointer; transition: background-color .3s, border-color .3s; }
.toggle::after { content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: var(--signal); transform: translateX(22px); transition: transform .3s var(--ease), background-color .3s; }
.toggle[aria-checked="false"] { background: var(--ink-800); }
.toggle[aria-checked="false"]::after { transform: none; background: var(--g500); }
.approve { margin-top: 8px; padding: 14px 16px; border-radius: 14px; background: var(--ink-900); border: 1px solid var(--ink-700); display: flex; flex-direction: column; gap: 10px; font-size: 14.5px; }
.approve .row { display: flex; gap: 8px; }
.approve button { flex: 1; height: 36px; border-radius: 999px; border: 1px solid var(--ink-600); background: none; cursor: pointer; font-size: 13.5px; color: var(--g300); }
.approve button:hover { border-color: var(--g400); color: var(--paper); }
.approve .res { font: 500 12px/1.4 var(--mono); color: var(--g500); min-height: 1.4em; }

/* 08 Founding */
.founding { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(32px, 6vw, 96px); align-items: start; margin-top: 8px; }
.founding-card { padding: 34px; border-radius: var(--r-lg); border: 1px solid var(--ink-700); background: var(--ink-900); display: flex; flex-direction: column; gap: 18px; }
.checks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.checks li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; color: var(--g300); }
.checks li::before { content: ""; width: 18px; height: 18px; margin-top: 4px; border-radius: 50%; border: 1px solid var(--signal); background: radial-gradient(circle, var(--signal) 0 3px, transparent 3.5px); }

/* 09 Close + form */
.close { overflow: hidden; }
.close-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.close-copy { display: flex; flex-direction: column; gap: 26px; position: sticky; top: 120px; }
.close-ring { width: 200px; height: 200px; position: relative; }
.close-ring svg { width: 100%; height: 100%; overflow: visible; }
.close-ring .arc { transition: transform 1.6s var(--ease), fill 1s .9s; transform-origin: 60px 60px; }
.close-ring .a1 { transform: rotate(-110deg) translate(-8px, -10px); }
.close-ring .a2 { transform: rotate(110deg) translate(8px, 10px); fill: var(--ink-600); }
.close-ring.formed .a1, .close-ring.formed .a2 { transform: none; }
.close-ring.formed .a2 { fill: var(--signal); }
.close-ring .glow { position: absolute; inset: -40%; border-radius: 50%; background: radial-gradient(closest-side, rgba(255, 91, 31, .3), transparent 70%); opacity: 0; transition: opacity 1s 1.2s; }
.close-ring.formed .glow { opacity: 1; }
.contact-list { display: flex; flex-direction: column; gap: 12px; margin-top: 4px; font-size: 15.5px; }
.contact-list a { text-decoration: none; color: var(--g300); }
.contact-list a:hover { color: var(--paper); }
.contact-list .label { display: inline-block; width: 92px; }

.form-card { padding: clamp(24px, 3.4vw, 40px); border-radius: var(--r-lg); background: var(--ink-900); border: 1px solid var(--ink-700); }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label, .field legend { font-size: 14px; color: var(--g300); padding: 0; }
.field .opt { color: var(--g500); }
.input { width: 100%; height: 52px; padding: 0 16px; border-radius: 12px; background: var(--ink); border: 1px solid var(--ink-600); outline: none; transition: border-color .2s, box-shadow .2s; font-size: 16px; }
textarea.input { height: 120px; padding: 14px 16px; resize: vertical; line-height: 1.5; }
select.input { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23B4B4AE' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
.input::placeholder { color: var(--g500); }
.input:focus { border-color: var(--signal); box-shadow: 0 0 0 3px rgba(255, 91, 31, .2); }
.field.err .input { border-color: var(--danger); }
.field .error { font-size: 13px; color: var(--danger); min-height: 0; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.picks { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.pick { position: relative; }
.pick input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.pick span { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px; border: 1px solid var(--ink-600); font-size: 14px; color: var(--g300); transition: border-color .2s, color .2s, background-color .2s; }
.pick input:checked + span { border-color: var(--signal); color: var(--paper); background: #24160f; }
.pick input:focus-visible + span { outline: 2px solid var(--signal); outline-offset: 2px; }
.same { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--g400); cursor: pointer; }
.same input { width: 16px; height: 16px; margin: 0; accent-color: var(--signal); }
.input[readonly] { color: var(--g300); }
.consent { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; align-items: start; font-size: 14px; color: var(--g400); }
.consent input { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--signal); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: 6px; }
.form-foot .note { font-size: 13.5px; color: var(--g500); }
.form-status { grid-column: 1 / -1; font-size: 14.5px; color: var(--danger); }
.btn[disabled] { opacity: .6; cursor: progress; }
.success { display: none; flex-direction: column; align-items: flex-start; gap: 18px; padding: 12px 0; }
.form-card.sent .form { display: none; }
.form-card.sent .success { display: flex; }
.success .mini { width: 64px; height: 64px; }

/* FAQ */
.faq { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px); }
.faq details { border-bottom: 1px solid var(--ink-700); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 24px 0; font-size: 19px; letter-spacing: -.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; width: 12px; height: 12px; flex: none; border-right: 1.5px solid var(--g400); border-bottom: 1.5px solid var(--g400); transform: rotate(45deg) translate(-3px, -3px); transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(-135deg) translate(-3px, -3px); }
.faq details p { padding: 0 0 26px; color: var(--g400); max-width: 40em; }

/* Inner pages */
.page-hero { padding-top: calc(76px + clamp(56px, 9vw, 120px)); padding-bottom: clamp(48px, 6vw, 80px); border-bottom: 1px solid var(--ink-800); overflow: hidden; }
.page-hero .wrap { position: relative; display: flex; flex-direction: column; gap: 26px; }
.page-hero .wrap > *:not(.mark) { max-width: min(100%, 900px); }
@media (min-width: 701px) { .page-hero .wrap { padding-right: calc(max(24px, env(safe-area-inset-right, 0px)) + clamp(150px, 20vw, 250px)); } }
@media (max-width: 700px) { .page-hero .mark { display: none; } }
.page-hero .mark { position: absolute; right: max(24px, env(safe-area-inset-right, 0px)); top: -10px; width: clamp(120px, 18vw, 220px); opacity: .9; animation: spin 30s linear infinite; }
.service { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px); padding-block: clamp(64px, 8vw, 110px); border-bottom: 1px solid var(--ink-800); scroll-margin-top: 90px; }
.service .side { display: flex; flex-direction: column; gap: 18px; align-self: start; position: sticky; top: 110px; }
.service .body { display: flex; flex-direction: column; gap: 30px; min-width: 0; }
.kv { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.kv > div { padding: 22px; border-radius: var(--r); background: var(--ink-900); border: 1px solid var(--ink-700); display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.kv ul { margin: 0; padding-left: 18px; color: var(--g300); display: flex; flex-direction: column; gap: 6px; font-size: 15.5px; }
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 56px; }
.plan { padding: 32px 28px; border-radius: var(--r-lg); background: var(--ink-900); border: 1px solid var(--ink-700); display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.plan.rec { border-color: var(--signal); background: #1a1310; }
.plan .price { font-size: 30px; letter-spacing: -.03em; }
.plan ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; color: var(--g300); font-size: 15.5px; }
.plan li::before { content: "✓  "; color: var(--signal); }
.values { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 56px; }
.value { padding: 28px 24px; border-radius: var(--r-lg); border: 1px solid var(--ink-700); display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.founder { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; align-items: center; padding: 36px; border-radius: var(--r-lg); background: var(--ink-900); border: 1px solid var(--ink-700); }
.founder .ph { aspect-ratio: 1; border-radius: 18px; background: var(--ink-800); border: 1px dashed var(--ink-600); display: grid; place-items: center; text-align: center; font: 500 12px/1.5 var(--mono); color: var(--g500); padding: 16px; }
.prose { max-width: 720px; display: flex; flex-direction: column; gap: 18px; color: var(--g300); }
.prose h2 { color: var(--paper); font-size: 26px; letter-spacing: -.02em; margin-top: 22px; }
.prose ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.next-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 32px; }
.next-steps div { padding: 22px; border-radius: var(--r); border: 1px solid var(--ink-700); display: flex; flex-direction: column; gap: 8px; }

/* Footer */
.site-footer { border-top: 1px solid var(--ink-800); padding-block: 64px 40px; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 40px; }
.foot-grid h4 { margin: 0 0 16px; font: 500 12px/1.2 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--g500); }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.foot-grid a { text-decoration: none; color: var(--g300); font-size: 15px; }
.foot-grid a:hover { color: var(--paper); }
.foot-brand { display: flex; flex-direction: column; gap: 18px; }
.foot-brand img { height: 28px; width: auto; align-self: flex-start; }
.foot-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--ink-800); font: 400 12.5px/1.5 var(--mono); color: var(--g500); letter-spacing: .04em; }

/* Keyframes */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
@keyframes ping { from { opacity: .9; transform: scale(.6); } to { opacity: 0; transform: scale(1.8); } }
@keyframes blink { 0%, 100% { opacity: .3; } 50% { opacity: 1; } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes draw-team { from { transform: rotate(-120deg) scale(.85); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes draw-agent { from { transform: rotate(120deg) scale(.85); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes flow { to { stroke-dashoffset: -8; } }
@keyframes lift { to { transform: translateY(-2px); } }
@keyframes turn { to { transform: rotate(45deg); } }

/* Responsive */
@media (max-width: 1080px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .values { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .nav-links, .nav-actions .wa { display: none; }
  .menu-btn { display: grid; }
  .nav-cta { display: none; }
  .mobile-menu { display: block; position: fixed; inset: calc(76px + env(safe-area-inset-top, 0px)) 0 auto; background: var(--ink); border-bottom: 1px solid var(--ink-700); padding: 12px max(24px, env(safe-area-inset-right, 0px)) 28px max(24px, env(safe-area-inset-left, 0px)); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s var(--ease); }
  .menu-open .mobile-menu { opacity: 1; transform: none; pointer-events: auto; }
  .menu-open .site-header { background: var(--ink); }
  .mobile-menu ul { list-style: none; margin: 0 0 20px; padding: 0; }
  .mobile-menu li a { display: block; padding: 14px 0; font-size: 22px; text-decoration: none; border-bottom: 1px solid var(--ink-800); }
  .mobile-menu .btn { width: 100%; }
  .hero-grid, .split, .demo, .loop-wrap, .founding, .close-grid, .faq, .service { grid-template-columns: minmax(0, 1fr); }
  .stage { justify-self: center; max-width: 480px; }
  .loop-sticky { position: sticky; top: 84px; z-index: 2; background: var(--ink); padding-block: 8px; }
  .loop-dial { max-width: 300px; }
  .loop-steps { gap: 40vh; padding-block: 4vh 30vh; }
  .close-copy, .service .side { position: static; }
  .pillars, .plans, .next-steps { grid-template-columns: minmax(0, 1fr); }
  .leak-field { height: 640px; }
  .leak-ring { right: 50%; margin-right: -90px; top: auto; bottom: 40px; margin-top: 0; width: 180px; height: 180px; }
  .leak-note { right: 50%; margin-right: -110px; top: auto; bottom: -10px; }
  .founder { grid-template-columns: minmax(0, 1fr); }
  .founder .ph { max-width: 200px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .cards, .values, .kv, .form { grid-template-columns: minmax(0, 1fr); }
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .loop-node { font-size: 13px; padding: 8px 12px; }
  .loop-node b { display: none; }
  .task { font-size: 11px; padding: 7px 11px 7px 8px; }
  .hero-actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .marquee { animation: none; flex-wrap: wrap; width: auto; }
  .marquee ul[aria-hidden] { display: none; }
  .marquee ul { flex-wrap: wrap; justify-content: center; gap: 18px 40px; }
}