:root {
  --void: #050505;
  --surface: #0d0f0e;
  --surface-2: #141715;
  --white: #f7f8f2;
  --white-soft: rgba(247, 248, 242, .68);
  --hairline: rgba(247, 248, 242, .14);
  --hairline-strong: rgba(247, 248, 242, .28);
  --signal: #baff19;
  --signal-soft: rgba(186, 255, 25, .16);
  --cyan: #70e6e3;
  --max: 1700px;
  --page: clamp(28px, 4vw, 74px);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

html { background: var(--void); }
body {
  color: var(--white);
  background:
    radial-gradient(circle at 75% 8%, rgba(186, 255, 25, .065), transparent 28vw),
    var(--void);
}
.section-shell { width: min(var(--max), calc(100% - var(--page) * 2)); }

.topbar {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 100;
  width: min(var(--max), calc(100vw - var(--page) * 2));
  min-height: 64px;
  margin: 0;
  padding: 9px 10px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(5,5,5,.7));
  box-shadow: 0 18px 70px rgba(0,0,0,.34), inset 0 1px rgba(255,255,255,.08);
  backdrop-filter: blur(24px) saturate(1.2);
  transform: translateX(-50%);
  animation: ref-nav-in .85s var(--ease-out) .15s both;
}
.topbar::after {
  content: "";
  position: absolute;
  left: 34px;
  right: 34px;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, var(--signal) calc(var(--page-progress, 0) * 100%), transparent 0);
  pointer-events: none;
}
.brand { margin-left: 2px; }
.brand-mark {
  width: 42px;
  height: 42px;
  color: var(--void);
  background: var(--white);
  box-shadow: none;
}
.brand-text { font-weight: 500; color: rgba(255,255,255,.76); }
.main-nav { margin-right: 2px; gap: clamp(18px, 3vw, 52px); }
.main-nav > a::after { background: var(--signal); }
.nav-cta {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 19px;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  color: var(--white) !important;
  background: rgba(255,255,255,.035);
}
.nav-cta:hover { color: var(--void) !important; background: var(--signal); }

.hero {
  position: relative;
  width: 100%;
  min-height: 100svh;
  padding: 0;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(5,5,5,.95), rgba(5,5,5,.48) 51%, rgba(5,5,5,.1)),
    radial-gradient(circle at 74% 28%, rgba(109, 132, 122, .44), transparent 27%),
    linear-gradient(135deg, #101715 0%, #07100d 42%, #1a211d 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  opacity: .46;
  background:
    linear-gradient(115deg, transparent 0 45%, rgba(186,255,25,.17) 45.1% 45.35%, transparent 45.5%),
    linear-gradient(25deg, transparent 0 63%, rgba(112,230,227,.12) 63.1% 63.3%, transparent 63.45%),
    repeating-linear-gradient(90deg, transparent 0 89px, rgba(255,255,255,.045) 90px 91px),
    repeating-linear-gradient(0deg, transparent 0 89px, rgba(255,255,255,.04) 90px 91px);
  -webkit-mask-image: linear-gradient(90deg, transparent 20%, #000 58%, transparent);
  mask-image: linear-gradient(90deg, transparent 20%, #000 58%, transparent);
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -2;
  width: min(58vw, 940px);
  aspect-ratio: 1;
  right: -5vw;
  top: -17vw;
  border: 1px solid rgba(186,255,25,.26);
  border-radius: 50%;
  box-shadow:
    0 0 0 8vw rgba(186,255,25,.015),
    0 0 0 16vw rgba(186,255,25,.012),
    inset 0 0 120px rgba(186,255,25,.06);
  animation: ref-orbit-pulse 9s ease-in-out infinite;
}
.hero-layers { opacity: .9; }
.hero-layer { filter: blur(90px); opacity: .18; }
.hero-layer-1 { background: var(--signal); }
.hero-layer-2 { background: var(--cyan); }
.hero-layer-3 { background: #5f70ff; opacity: .12; }
.hero-grid-bg { display: none; }
.hero-code-plane {
  position: absolute;
  right: clamp(30px, 7vw, 130px);
  top: 19%;
  display: grid;
  gap: 13px;
  width: min(38vw, 620px);
  padding: 26px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(5,10,8,.38);
  transform: translate3d(var(--hero-shift-x, 0), var(--hero-shift-y, 0), 0) perspective(900px) rotateY(-15deg) rotateX(7deg);
  transition: transform .18s linear;
  box-shadow: 0 30px 90px rgba(0,0,0,.35);
  opacity: .42;
}
.hero-code-plane::before {
  content: "01  public class TCHK {";
  color: var(--signal);
  font: 11px/1.5 var(--mono);
}
.hero-code-plane::after {
  content: "02    Product ship(Idea idea) → RUNNING_SYSTEM\\A03  }";
  white-space: pre;
  color: rgba(255,255,255,.55);
  font: 11px/1.7 var(--mono);
}
.hero-code-plane span {
  padding: 9px 0;
  border-top: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.46);
  font: 9px/1.2 var(--mono);
  letter-spacing: .08em;
}
.hero > .hero-content {
  position: relative;
  z-index: 3;
  padding-top: clamp(128px, 15vh, 190px);
  padding-bottom: 245px;
}
.hero-meta { margin: 0 0 25px; }
.hero-grid {
  margin-inline: 0;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: clamp(36px, 7vw, 120px);
  align-items: end;
}
.hero-copy { min-width: 0; }
.hero .eyebrow {
  width: fit-content;
  margin-bottom: 18px;
  padding: 9px 13px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  color: rgba(255,255,255,.78);
  background: rgba(255,255,255,.04);
}
.hero h1 {
  max-width: none;
  margin: 0;
  padding: 0;
  letter-spacing: 0;
  line-height: .82;
}
.hero-name {
  display: block;
  color: var(--white) !important;
  font-size: clamp(92px, 13.4vw, 220px);
  font-weight: 900;
  transform-origin: left bottom;
  animation: ref-title-in 1.2s var(--ease-out) .3s both;
}
.hero h1 small {
  display: block;
  margin-top: 21px;
  color: rgba(247,248,242,.84);
  font: 800 clamp(29px, 4.05vw, 68px)/.92 var(--sans);
  letter-spacing: -.045em;
  animation: ref-mask-in 1.05s var(--ease-out) .48s both;
}
.hero-intro {
  max-width: 680px;
  margin: 29px 0 0;
  color: rgba(255,255,255,.7);
  font-size: clamp(16px, 1.2vw, 20px);
  line-height: 1.75;
}
.hero-actions { margin-top: 27px; }
.button { border-radius: 999px; }
.button-primary { color: #071006; background: var(--signal); }
.button-secondary { background: rgba(255,255,255,.035); backdrop-filter: blur(12px); }
.hero-index {
  border: 1px solid var(--hairline);
  border-radius: 24px;
  background: rgba(5,5,5,.36);
  backdrop-filter: blur(18px);
}
.index-number { color: var(--signal); }

.hero > .case-orbit {
  position: absolute;
  z-index: 5;
  left: 0;
  right: 0;
  bottom: 0;
  height: 330px;
  pointer-events: none;
}
.case-title {
  position: absolute;
  left: 50%;
  bottom: 156px;
  z-index: 7;
  width: min(520px, calc(100vw - 40px));
  text-align: center;
  transform: translateX(-50%);
  transition: transform .45s var(--ease-out), opacity .45s var(--ease-out);
}
.case-title span { display: block; font: 900 clamp(28px, 2.6vw, 45px)/1 var(--sans); }
.case-title p { margin: 8px 0 0; color: rgba(255,255,255,.44); font: 10px/1 var(--mono); letter-spacing: .12em; }
.case-track {
  position: absolute;
  inset: auto 0 0;
  overflow: hidden visible;
  pointer-events: auto;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}
.case-row {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: clamp(7px, .7vw, 13px);
  width: 100vw;
  padding: 0 clamp(24px, 2.7vw, 52px) 20px;
  align-items: end;
}
.orbit-card {
  position: relative;
  height: clamp(170px, 11.6vw, 220px);
  padding: 14px;
  overflow: hidden;
  color: var(--white);
  border: 1px solid var(--hairline-strong);
  border-radius: 20px;
  background:
    radial-gradient(circle at 90% 12%, color-mix(in srgb, var(--orbit-color) 36%, transparent), transparent 42%),
    rgba(255,255,255,.07);
  backdrop-filter: blur(16px);
  transform: translateY(calc(100% - 46px));
  transition: transform .56s var(--ease-out), border-color .4s ease, box-shadow .4s ease;
  cursor: pointer;
}
.orbit-card::before {
  content: "";
  position: absolute;
  inset: 42px 12px 12px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 12px;
  background:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 20px 20px;
}
.orbit-preview {
  position: absolute;
  z-index: 1;
  inset: 53px 14px 35px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  background: rgba(3,8,10,.36);
}
.orbit-preview::after {
  content: "";
  position: absolute;
  inset: -30% 0 auto;
  height: 34%;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--orbit-color) 42%, transparent), transparent);
  opacity: 0;
}
.orbit-preview > span {
  position: absolute;
  display: block;
  border-radius: 2px;
  background: rgba(255,255,255,.13);
  transition: transform .5s var(--ease-out), background .5s ease;
}
.orbit-preview > span:nth-child(1) { inset: 8px 8px auto; height: 7px; }
.orbit-preview > span:nth-child(2) { inset: 23px auto 8px 8px; width: 22%; }
.orbit-preview > span:nth-child(3) { inset: 23px 8px 44% 34%; background: color-mix(in srgb, var(--orbit-color) 34%, rgba(255,255,255,.1)); }
.orbit-preview > span:nth-child(4) { inset: 62% 8px 8px 34%; }
.case-row:not(.is-user-exploring) .orbit-card.is-auto-active,
.orbit-card:hover,
.orbit-card:focus-visible {
  transform: translateY(8px);
  border-color: rgba(255,255,255,.55);
  box-shadow: 0 18px 60px color-mix(in srgb, var(--orbit-color) 25%, transparent);
  outline: none;
}
.case-row:not(.is-user-exploring) .orbit-card.is-auto-active .orbit-preview::after,
.orbit-card:hover .orbit-preview::after,
.orbit-card:focus-visible .orbit-preview::after {
  opacity: 1;
  animation: orbit-scan 1.45s ease-in-out infinite;
}
.case-row:not(.is-user-exploring) .orbit-card.is-auto-active .orbit-preview > span:nth-child(3),
.orbit-card:hover .orbit-preview > span:nth-child(3),
.orbit-card:focus-visible .orbit-preview > span:nth-child(3) {
  transform: scaleY(.72) translateY(4px);
  background: color-mix(in srgb, var(--orbit-color) 72%, rgba(255,255,255,.18));
}
.orbit-card:hover,
.orbit-card:focus-visible {
  z-index: 3;
}
.orbit-card b { position: relative; z-index: 2; display: block; font-size: 12px; line-height: 1.25; }
.orbit-card small {
  position: absolute;
  z-index: 2;
  left: 14px;
  bottom: 14px;
  color: rgba(255,255,255,.5);
  font: 9px/1 var(--mono);
}
.orbit-card i {
  position: absolute;
  right: 16px;
  bottom: 14px;
  color: var(--orbit-color);
  font-style: normal;
}
.case-orbit.is-page-scrolled .case-title {
  opacity: .9;
  transform: translate(-50%, -54px);
}
.case-orbit.is-page-scrolled .orbit-card { transform: translateY(8px); }

.ai-workflow,
.proof-lab,
.projects,
.capabilities,
.about,
.contact {
  width: min(var(--max), calc(100% - var(--page) * 2));
}
.ai-workflow { margin-top: clamp(90px, 10vw, 150px); border-radius: 28px; }
.proof-lab, .projects, .capabilities, .about, .contact { padding-top: clamp(94px, 10vw, 150px); }
.section-heading {
  align-items: start;
  padding-bottom: 34px;
}
.section-heading .eyebrow,
.about .eyebrow,
.contact .eyebrow { color: var(--signal); }
.section-heading h2,
.about h2,
.contact h2 {
  font-size: clamp(58px, 7vw, 118px);
  line-height: .86;
  letter-spacing: -.055em;
}
.section-heading > p { max-width: 460px; line-height: 1.75; }

.proof-lab { position: relative; }
.proof-heading h2 {
  max-width: 980px;
  line-height: .98;
  letter-spacing: -.04em;
}
.proof-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 10px 0 18px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: 24px;
  background: rgba(255,255,255,.025);
}
.proof-metrics article {
  position: relative;
  min-height: 210px;
  padding: 24px;
  border-right: 1px solid var(--hairline);
  transition: color .35s ease, background .35s ease, transform .45s var(--ease-out);
}
.proof-metrics article:last-child { border-right: 0; }
.proof-metrics article::before {
  content: "";
  position: absolute;
  inset: auto 24px 0;
  height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease-out);
}
.proof-metrics article:hover {
  color: var(--void);
  background: var(--signal);
  transform: translateY(-4px);
}
.proof-metrics article:hover::before { transform: scaleX(1); }
.proof-metrics strong {
  display: block;
  color: var(--signal);
  font: 500 clamp(56px, 6vw, 94px)/.85 var(--mono);
  letter-spacing: -.09em;
}
.proof-metrics article:hover strong { color: var(--void); }
.proof-metrics span {
  display: block;
  margin-top: 28px;
  font-size: clamp(15px, 1.2vw, 19px);
  font-weight: 700;
  line-height: 1.35;
}
.proof-metrics small {
  position: absolute;
  right: 20px;
  bottom: 20px;
  color: rgba(255,255,255,.38);
  font: 8px/1 var(--mono);
  letter-spacing: .08em;
  writing-mode: vertical-rl;
}
.proof-metrics article:hover small { color: rgba(5,5,5,.55); }

.proof-console {
  --proof-x: 74%;
  --proof-y: 24%;
  position: relative;
  overflow: hidden;
  min-height: 660px;
  border: 1px solid rgba(112,230,227,.35);
  border-radius: 28px;
  background:
    linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px),
    radial-gradient(circle at var(--proof-x) var(--proof-y), rgba(112,230,227,.11), transparent 28%),
    #07100e;
  background-size: 34px 34px, 34px 34px, auto, auto;
  box-shadow: inset 0 0 100px rgba(0,0,0,.4), 0 38px 120px rgba(0,0,0,.32);
}
.proof-console::before {
  content: "";
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  top: 44px;
  height: 1px;
  opacity: .38;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: proof-scan 7s linear infinite;
  pointer-events: none;
}
.proof-console::after {
  content: "";
  position: absolute;
  z-index: 0;
  left: var(--proof-x);
  top: var(--proof-y);
  width: 360px;
  aspect-ratio: 1;
  border: 1px solid rgba(112,230,227,.1);
  border-radius: 50%;
  box-shadow: 0 0 0 52px rgba(112,230,227,.018), 0 0 0 104px rgba(112,230,227,.012);
  transform: translate(-50%, -50%);
  transition: left .18s linear, top .18s linear;
  pointer-events: none;
}
.proof-console-head {
  position: relative;
  z-index: 2;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid rgba(112,230,227,.2);
  color: rgba(255,255,255,.52);
  font: 8px/1 var(--mono);
  letter-spacing: .1em;
}
.proof-console-state { display: inline-flex; align-items: center; gap: 7px; color: var(--signal); }
.proof-console-state i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 14px var(--signal);
  animation: demo-live-pulse 1.8s ease-out infinite;
}
.proof-console-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  min-height: 612px;
}
.proof-tabs {
  display: flex;
  flex-direction: column;
  padding: 18px;
  border-right: 1px solid rgba(112,230,227,.17);
  background: rgba(0,0,0,.2);
}
.proof-tabs button {
  position: relative;
  display: grid;
  grid-template-columns: 31px 1fr;
  gap: 3px 9px;
  align-items: center;
  padding: 18px 12px;
  color: rgba(255,255,255,.46);
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: color .28s ease, padding .38s var(--ease-out), background .28s ease;
}
.proof-tabs button::after {
  content: "↗";
  position: absolute;
  right: 11px;
  top: 18px;
  opacity: 0;
  transform: translate(-7px, 7px);
  transition: opacity .28s ease, transform .38s var(--ease-out);
}
.proof-tabs button:hover,
.proof-tabs button:focus-visible,
.proof-tabs button.is-active {
  padding-left: 18px;
  color: var(--void);
  background: var(--signal);
  outline: none;
}
.proof-tabs button:is(:hover, :focus-visible, .is-active)::after { opacity: 1; transform: none; }
.proof-tabs button span { grid-row: 1 / span 2; color: var(--cyan); font: 9px/1 var(--mono); }
.proof-tabs button:is(:hover, :focus-visible, .is-active) span { color: rgba(5,5,5,.55); }
.proof-tabs button b { font-size: 14px; }
.proof-tabs button small { font: 7px/1 var(--mono); letter-spacing: .07em; }
.proof-panels { position: relative; min-width: 0; }
.proof-panel {
  min-height: 612px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
  grid-template-rows: 1fr auto;
  gap: 30px 48px;
  padding: clamp(36px, 5vw, 76px);
  animation: proof-panel-in .58s var(--ease-out) both;
}
.proof-panel[hidden] { display: none; }
.proof-panel-copy { align-self: center; }
.proof-panel-copy > small {
  color: var(--cyan);
  font: 8px/1 var(--mono);
  letter-spacing: .13em;
}
.proof-panel-copy h3 {
  max-width: 760px;
  margin: 24px 0;
  font-size: clamp(36px, 3.75vw, 62px);
  line-height: 1.08;
  letter-spacing: -.035em;
  text-wrap: balance;
}
.proof-panel-copy p { max-width: 720px; color: rgba(255,255,255,.62); font-size: 14px; line-height: 1.9; }
.proof-list {
  align-self: center;
  display: grid;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255,255,255,.14);
  list-style: none;
}
.proof-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 5px 10px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.proof-list li > span { grid-row: 1 / span 2; color: var(--signal); font: 8px/1 var(--mono); }
.proof-list b { font-size: 14px; }
.proof-list small { color: rgba(255,255,255,.42); font: 8px/1.4 var(--mono); }
.proof-seal {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  width: fit-content;
  min-width: 270px;
  padding: 15px 18px;
  color: var(--void);
  background: var(--signal);
  transform: rotate(-2deg);
}
.proof-seal strong { grid-row: 1 / span 2; margin-right: 15px; font: 700 43px/.86 var(--mono); }
.proof-seal span { font: 800 17px/1 var(--sans); }
.proof-seal small { margin-top: 5px; font: 7px/1 var(--mono); }
.proof-seal-agent { background: var(--cyan); }
.agent-trace {
  align-self: center;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}
.agent-trace li {
  position: relative;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 4px 10px;
  padding: 13px 14px;
  border-left: 1px solid var(--signal);
  background: rgba(186,255,25,.045);
}
.agent-trace li + li { margin-top: 6px; }
.agent-trace li span { grid-row: 1 / span 2; color: var(--signal); font: 8px/1 var(--mono); }
.agent-trace b { font: 10px/1 var(--mono); letter-spacing: .08em; }
.agent-trace small { color: rgba(255,255,255,.4); font: 7px/1 var(--mono); }
.bank-rails {
  align-self: center;
  display: grid;
  gap: 8px;
}
.bank-rails > div {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  min-height: 76px;
  padding: 0 17px;
  border: 1px solid rgba(255,255,255,.13);
  background: rgba(255,255,255,.035);
  transition: border-color .25s ease, transform .35s var(--ease-out);
}
.bank-rails > div:hover { border-color: var(--cyan); transform: translateX(6px); }
.bank-rails span { color: var(--cyan); font: 8px/1 var(--mono); }
.bank-rails b { font-size: 15px; }
.bank-rails small { color: rgba(255,255,255,.38); font: 7px/1 var(--mono); }
.payment-loop {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--signal);
  font: 8px/1 var(--mono);
}
.payment-loop i { flex: 1; height: 1px; background: linear-gradient(90deg, var(--signal), rgba(186,255,25,.1)); }
.recognition-ledger {
  align-self: center;
  display: grid;
  border-top: 1px solid rgba(255,255,255,.14);
}
.recognition-ledger > div {
  display: grid;
  grid-template-columns: 50px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.recognition-ledger time { color: var(--signal); font: 9px/1 var(--mono); }
.recognition-ledger b { font-size: 13px; }
.recognition-ledger span { color: rgba(255,255,255,.35); font: 7px/1 var(--mono); }
.proof-certificates {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.proof-certificates span {
  padding: 8px 11px;
  border: 1px solid rgba(112,230,227,.28);
  color: var(--cyan);
  background: rgba(112,230,227,.055);
  font: 8px/1 var(--mono);
}

.project-controls {
  position: sticky;
  top: 98px;
  z-index: 15;
  margin: 20px 0 26px;
  padding: 12px;
  border: 1px solid var(--hairline);
  border-radius: 20px;
  background: rgba(5,5,5,.72);
  backdrop-filter: blur(20px);
}
.filter-button { border-radius: 999px; }
.filter-button:hover,
.filter-button:focus-visible,
.filter-button.is-active { color: var(--void); background: var(--signal); border-color: var(--signal); }

.project-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.project-card,
.project-card:nth-child(n) {
  grid-column: 1;
  min-height: clamp(420px, 42vw, 650px);
  padding: clamp(25px, 3.4vw, 54px);
  border: 1px solid var(--hairline);
  border-radius: 28px;
  background:
    radial-gradient(circle at 86% 14%, color-mix(in srgb, var(--card-base) 27%, transparent), transparent 30%),
    linear-gradient(135deg, #151a17, #090c0b 66%);
  box-shadow: none;
}
.project-card:nth-child(even) {
  background:
    radial-gradient(circle at 13% 17%, color-mix(in srgb, var(--card-base) 25%, transparent), transparent 28%),
    linear-gradient(225deg, #151a17, #090c0b 66%);
}
.project-card:hover,
.project-card:focus-visible {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--card-base) 58%, white);
  outline: none;
  box-shadow: 0 28px 100px rgba(0,0,0,.46), 0 0 64px color-mix(in srgb, var(--card-base) 10%, transparent);
}
.project-card .project-card-top,
.project-card .project-card-body,
.project-card .project-card-footer { max-width: 48%; }
.project-card:nth-child(even) .project-card-top,
.project-card:nth-child(even) .project-card-body,
.project-card:nth-child(even) .project-card-footer { margin-left: 52%; }
.project-card-body h3 {
  margin-top: clamp(70px, 9vw, 150px);
  font-size: clamp(44px, 5.5vw, 92px);
  line-height: .92;
}
.project-card-body p { max-width: 620px; font-size: clamp(13px, 1vw, 16px); }
.project-card .card-cover {
  top: 11%;
  right: 4%;
  bottom: 9%;
  width: 44%;
  border-radius: 18px;
  transform: perspective(1000px) rotateY(-7deg) rotateX(2deg);
}
.project-card:nth-child(even) .card-cover {
  left: 4%;
  right: auto;
  transform: perspective(1000px) rotateY(7deg) rotateX(2deg);
}
.project-card:nth-child(even):hover .card-cover { transform: perspective(1000px) rotateY(1deg) translate(5px,-5px); }
.project-card::after { width: 310px; height: 310px; }
.project-card .card-arrow { width: 48px; height: 48px; }

.capability-grid {
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  border: 0;
}
.capability-grid article {
  grid-column: span 4;
  min-height: 390px;
  padding: 28px;
  border: 1px solid var(--hairline);
  border-radius: 26px;
  background: rgba(255,255,255,.045);
}
.capability-grid article:first-child { grid-column: span 5; }
.capability-grid article:nth-child(2) { grid-column: span 7; }
.capability-grid article:nth-child(3) {
  grid-column: span 12;
  min-height: 290px;
  background:
    radial-gradient(circle at 85% 20%, rgba(186,255,25,.16), transparent 25%),
    rgba(255,255,255,.045);
}
.capability-grid h3 { margin-top: 130px; font-size: clamp(28px, 3vw, 48px); }
.capability-grid article:nth-child(3) h3 { margin-top: 70px; }

.about {
  grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr);
  gap: 18px;
}
.about-stamp {
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  border-radius: 28px;
  color: var(--void);
  background: var(--signal);
  transform: none;
  font-size: clamp(56px, 7vw, 110px);
}
.about-copy {
  padding: clamp(28px, 5vw, 70px);
  border: 1px solid var(--hairline);
  border-radius: 28px;
  background:
    radial-gradient(circle at 85% 15%, rgba(112,230,227,.1), transparent 24%),
    rgba(255,255,255,.035);
}
.about-copy > p:last-of-type { max-width: 760px; }

.contact {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contact h2 { max-width: 1220px; font-size: clamp(60px, 8vw, 132px); }
.contact-links { border-top-color: var(--hairline); }
.contact-links a {
  padding: 24px 0;
  color: var(--white);
  border-bottom-color: var(--hairline);
  border-radius: 0;
}
.contact-links a::before { background: var(--signal); }
.footer { width: min(var(--max), calc(100% - var(--page) * 2)); }

.project-dialog { width: min(1180px, calc(100% - 28px)); max-height: calc(100dvh - 28px); }
.dialog-project { border: 1px solid var(--hairline-strong); border-radius: 28px; }
.dialog-evidence-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(234,240,236,.2);
  color: rgba(234,240,236,.48);
  font: 8px/1.5 var(--mono);
}
.dialog-evidence-footer > span { max-width: 640px; }
.dialog-evidence-footer > small { color: rgba(234,240,236,.32); font: inherit; letter-spacing: .07em; }
.dialog-evidence-footer .repo-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 13px;
  color: var(--void);
  border-radius: 999px;
  background: var(--project-accent);
  font: 700 9px/1 var(--mono);
  transition: transform .28s var(--ease-out), box-shadow .28s ease;
}
.dialog-evidence-footer .repo-link:hover,
.dialog-evidence-footer .repo-link:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--project-accent) 24%, transparent);
  outline: none;
}
.dialog-evidence-footer .repo-link i { font-style: normal; }
.dialog-close { color: var(--void); background: var(--signal); }
.resume-card { color: var(--void); background: var(--signal); border-radius: 28px; }
.contact-dialog {
  width: min(680px, calc(100% - 30px));
  padding: 0;
  overflow: visible;
}
.contact-dialog::backdrop { background: rgba(4, 11, 16, .88); backdrop-filter: blur(10px); }
.contact-card {
  padding: clamp(32px, 6vw, 66px);
  border: 1px solid var(--hairline-strong);
  border-radius: 28px;
  color: var(--white);
  background:
    radial-gradient(circle at 88% 8%, rgba(186,255,25,.18), transparent 29%),
    #0b100e;
}
.contact-card h2 {
  margin: 28px 0 38px;
  font-size: clamp(45px, 7vw, 78px);
  line-height: .92;
  letter-spacing: -.055em;
}
.contact-detail-list { display: grid; border-top: 1px solid var(--hairline); }
.contact-detail-list a {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 15px;
  align-items: center;
  min-height: 78px;
  border-bottom: 1px solid var(--hairline);
  transition: color .25s ease, padding .3s var(--ease-out), background .25s ease;
}
.contact-detail-list a:hover,
.contact-detail-list a:focus-visible {
  padding-inline: 12px;
  color: var(--void);
  background: var(--signal);
  outline: none;
}
.contact-detail-list span { font: 9px/1 var(--mono); letter-spacing: .1em; opacity: .65; }
.contact-detail-list strong { font-size: clamp(17px, 3vw, 25px); overflow-wrap: anywhere; }
.contact-detail-list i { font-style: normal; }

.mock-ai-ppt {
  display: grid;
  grid-template-columns: 82px 1fr;
  min-height: 360px;
  color: #dce7e2;
  background: #09100e;
  font-family: var(--sans);
}
.ppt-sidebar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 15px 9px;
  border-right: 1px solid rgba(255,255,255,.1);
  background: #0d1714;
}
.ppt-sidebar strong { margin-bottom: 13px; color: var(--signal); font: 700 12px/1 var(--mono); }
.ppt-sidebar button {
  padding: 8px;
  color: #82928b;
  border: 1px solid transparent;
  background: transparent;
  text-align: left;
  font-size: 9px;
}
.ppt-sidebar button.is-active { color: #071006; border-color: var(--signal); background: var(--signal); }
.ppt-sidebar small { margin-top: auto; color: #52635b; font: 7px/1.3 var(--mono); }
.mock-ai-ppt > main { min-width: 0; }
.mock-ai-ppt > main > header {
  display: flex;
  justify-content: space-between;
  min-height: 46px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  color: #a9b8b1;
}
.mock-ai-ppt > main > header button {
  padding: 7px 9px;
  color: var(--signal);
  border: 1px solid color-mix(in srgb, var(--signal) 44%, transparent);
  border-radius: 5px;
  background: rgba(217,255,63,.06);
  font: 8px/1 var(--mono);
}
.ppt-flow {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  color: #63736c;
  font: 7px/1 var(--mono);
}
.ppt-flow span.is-done { color: #79bbb0; }
.ppt-flow span.is-active { color: var(--signal); }
.ppt-flow i { flex: 1; height: 1px; background: rgba(255,255,255,.11); }
.ppt-canvas {
  display: grid;
  grid-template-columns: 105px 1fr 120px;
  gap: 12px;
  padding: 16px;
}
.ppt-outline,
.ppt-agent {
  display: grid;
  align-content: start;
  gap: 6px;
  padding: 10px;
  border: 1px solid rgba(255,255,255,.1);
  background: #0d1714;
}
.ppt-outline b,
.ppt-agent b { margin-bottom: 5px; color: #d8e5df; font-size: 8px; }
.ppt-outline span,
.ppt-agent p { margin: 0; padding: 6px; color: #72817a; font-size: 7px; }
.ppt-outline span.is-active { color: #071006; background: var(--signal); }
.ppt-slide {
  position: relative;
  min-height: 230px;
  padding: 24px;
  overflow: hidden;
  color: #102019;
  background:
    radial-gradient(circle at 82% 18%, rgba(112,230,227,.5), transparent 28%),
    #e9eee7;
}
.ppt-slide::after {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  right: -60px;
  bottom: -80px;
  border: 18px solid var(--signal);
  border-radius: 50%;
}
.ppt-slide small { font: 7px/1 var(--mono); }
.ppt-slide h4 { margin: 54px 0 0; font-size: clamp(19px, 3vw, 37px); line-height: .95; }
.ppt-bars { display: flex; gap: 4px; margin-top: 16px; }
.ppt-bars i { width: 24px; height: 3px; background: #102019; }
.ppt-bars i:first-child { width: 52px; background: #6e8a7e; }
.ppt-agent p { border-left: 2px solid #4e6d61; background: rgba(255,255,255,.025); }
.ppt-agent p.running { color: var(--signal); border-left-color: var(--signal); }

.interactive-demo { position: relative; }
.demo-bar-actions,
.demo-live {
  display: flex;
  align-items: center;
}
.demo-bar-actions { gap: 12px; }
.demo-live { gap: 5px; color: #9ba8a2; font-size: 8px; }
.demo-live i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(217,255,63,.45);
  animation: demo-live-pulse 1.8s ease-out infinite;
}
.demo-bar-actions button {
  padding: 4px 7px;
  color: #d8e2dd;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 4px;
  background: rgba(255,255,255,.05);
  font: 8px/1 var(--mono);
  cursor: pointer;
}
.demo-viewport { position: relative; overflow: hidden; }
.interactive-demo .mock-app :is(
  nav a,
  nav span,
  aside a,
  button,
  .lumen-menu nav b,
  .lumen-session-tabs span,
  .mini-tabbar span,
  .ppt-flow span,
  .ppt-outline span,
  .lumen-session article,
  .meeting-card,
  .mini-quick > div,
  .h5-filter span,
  .h5-house-list article,
  .teacher-scroll article,
  .subject-grid > div,
  .venue-scroll article,
  .property-grid > div,
  .property-house-row,
  .property-notice-row,
  .editor-tabs span,
  .value-grid b,
  .product-row article,
  .car-list-mini article,
  .admin-cards article,
  .lab-tabs > *,
  .hotel-card
) {
  cursor: pointer;
  transition: filter .22s ease, box-shadow .22s ease, transform .22s var(--ease-out), outline-color .22s ease;
}
.interactive-demo .mock-app :is(
  nav a,
  nav span,
  aside a,
  button,
  .lumen-menu nav b,
  .lumen-session-tabs span,
  .mini-tabbar span,
  .ppt-flow span,
  .ppt-outline span,
  .lumen-session article,
  .meeting-card,
  .mini-quick > div,
  .h5-filter span,
  .h5-house-list article,
  .teacher-scroll article,
  .subject-grid > div,
  .venue-scroll article,
  .property-grid > div,
  .property-house-row,
  .property-notice-row,
  .editor-tabs span,
  .value-grid b,
  .product-row article,
  .car-list-mini article,
  .admin-cards article,
  .lab-tabs > *,
  .hotel-card
):hover {
  z-index: 2;
  filter: brightness(1.08);
  box-shadow: 0 9px 22px rgba(0,0,0,.13);
  transform: translateY(-2px);
}
.interactive-demo .mock-app .is-demo-selected {
  position: relative;
  outline: 2px solid color-mix(in srgb, var(--project-accent) 75%, #fff);
  outline-offset: -2px;
  box-shadow: 0 0 24px color-mix(in srgb, var(--project-accent) 24%, transparent);
}
.interactive-demo .mock-app button.is-demo-complete {
  filter: saturate(1.25) brightness(1.08);
  transform: scale(.97);
}
.demo-toast {
  position: absolute;
  z-index: 20;
  right: 14px;
  bottom: 14px;
  max-width: min(290px, calc(100% - 28px));
  padding: 10px 13px;
  color: #eaf1ed;
  border: 1px solid color-mix(in srgb, var(--project-accent) 45%, rgba(255,255,255,.15));
  border-radius: 8px;
  background: rgba(6,14,18,.9);
  box-shadow: 0 14px 38px rgba(0,0,0,.3);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(.96);
  transition: opacity .24s ease, transform .32s var(--ease-out);
  font: 9px/1.35 var(--mono);
}
.demo-toast.is-visible { opacity: 1; transform: translateY(0) scale(1); }
.ppt-slide.is-switching { animation: demo-slide-switch .48s var(--ease-out); }

@keyframes ref-nav-in {
  from { opacity: 0; transform: translate(-50%, -18px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}
@keyframes ref-title-in {
  from { opacity: 0; clip-path: inset(0 100% 0 0); transform: translateY(42px) scaleX(.86); }
  to { opacity: 1; clip-path: inset(0); transform: translateY(0) scaleX(1); }
}
@keyframes ref-mask-in {
  from { opacity: 0; clip-path: inset(0 0 100% 0); transform: translateY(25px); }
  to { opacity: 1; clip-path: inset(0); transform: translateY(0); }
}
@keyframes ref-orbit-pulse {
  0%, 100% { transform: scale(1); opacity: .62; }
  50% { transform: scale(1.035); opacity: .9; }
}
@keyframes orbit-scan {
  0% { transform: translateY(-10%); }
  100% { transform: translateY(390%); }
}
@keyframes demo-live-pulse {
  70% { box-shadow: 0 0 0 6px rgba(217,255,63,0); }
  100% { box-shadow: 0 0 0 0 rgba(217,255,63,0); }
}
@keyframes demo-slide-switch {
  from { opacity: .55; transform: translateX(9px) scale(.985); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}
@keyframes proof-scan {
  0% { transform: translateY(0); opacity: 0; }
  8%, 92% { opacity: .38; }
  100% { transform: translateY(610px); opacity: 0; }
}
@keyframes proof-panel-in {
  from { opacity: 0; transform: translateY(16px); clip-path: inset(0 0 14% 0); }
  to { opacity: 1; transform: translateY(0); clip-path: inset(0); }
}

@media (max-width: 1100px) {
  .hero-content { padding-bottom: 220px; }
  .case-orbit { height: 270px; }
  .case-title { bottom: 125px; }
  .case-row { grid-template-columns: repeat(4, minmax(150px, 1fr)); width: max-content; min-width: 100vw; }
  .orbit-card:nth-child(n+5) { display: none; }
  .hero-code-plane { opacity: .24; }
  .proof-metrics { grid-template-columns: repeat(2, 1fr); }
  .proof-metrics article:nth-child(2) { border-right: 0; }
  .proof-metrics article:nth-child(-n+2) { border-bottom: 1px solid var(--hairline); }
  .proof-console-grid { grid-template-columns: 210px minmax(0, 1fr); }
  .proof-panel { grid-template-columns: 1fr; }
  .proof-list,
  .agent-trace,
  .bank-rails,
  .recognition-ledger { align-self: start; }
  .project-card .project-card-top,
  .project-card .project-card-body,
  .project-card .project-card-footer { max-width: 52%; }
  .project-card:nth-child(even) .project-card-top,
  .project-card:nth-child(even) .project-card-body,
  .project-card:nth-child(even) .project-card-footer { margin-left: 48%; }
}

@media (max-width: 780px) {
  :root { --page: 18px; }
  .topbar { top: 12px; width: calc(100vw - 24px); min-height: 56px; }
  .brand-mark { width: 38px; height: 38px; }
  .main-nav { top: 60px; right: 0; border-radius: 18px; }
  .hero { min-height: 100svh; }
  .hero-content { padding-top: 108px; padding-bottom: 175px; }
  .hero-grid { grid-template-columns: 1fr; gap: 26px; }
  .hero-name { font-size: clamp(76px, 26vw, 118px); }
  .hero h1 small { font-size: clamp(24px, 7.5vw, 32px); line-height: .98; }
  .hero-intro { max-width: calc(100vw - 36px); font-size: 14px; overflow-wrap: anywhere; }
  .hero-index { display: none; }
  .hero-code-plane { top: 31%; right: -22%; width: 78vw; opacity: .16; }
  .case-row { grid-template-columns: repeat(3, minmax(140px, 1fr)); }
  .orbit-card:nth-child(n+4) { display: none; }
  .case-title { bottom: 118px; }
  .case-title span { font-size: 22px; }
  .ai-workflow { border-radius: 20px; }
  .ai-workflow-head h2 { font-size: clamp(36px, 11vw, 48px); overflow-wrap: anywhere; }
  .proof-metrics { border-radius: 18px; }
  .proof-metrics article { min-height: 180px; padding: 18px; }
  .proof-metrics span { margin-top: 22px; font-size: 14px; }
  .proof-metrics small { right: 12px; bottom: 14px; }
  .proof-console { min-height: 0; border-radius: 18px; }
  .proof-console::after { display: none; }
  .proof-console-head { padding: 0 12px; }
  .proof-console-head > span:first-child { max-width: 54%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .proof-console-grid { grid-template-columns: 1fr; min-height: 0; }
  .proof-tabs {
    flex-direction: row;
    gap: 6px;
    overflow-x: auto;
    padding: 10px;
    border-right: 0;
    border-bottom: 1px solid rgba(112,230,227,.17);
    scrollbar-width: none;
  }
  .proof-tabs::-webkit-scrollbar { display: none; }
  .proof-tabs button {
    flex: 0 0 155px;
    grid-template-columns: 24px 1fr;
    padding: 13px 10px;
    border: 1px solid rgba(255,255,255,.1);
  }
  .proof-tabs button:hover,
  .proof-tabs button:focus-visible,
  .proof-tabs button.is-active { padding-left: 13px; }
  .proof-panel {
    min-height: 700px;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 28px;
    padding: 28px 20px;
  }
  .proof-panel-copy { align-self: start; }
  .proof-panel-copy h3 {
    font-size: clamp(34px, 10vw, 46px);
    line-height: 1.08;
    letter-spacing: -.025em;
  }
  .proof-seal { grid-column: 1; min-width: 230px; }
  .payment-loop,
  .proof-certificates { grid-column: 1; }
  .payment-loop { flex-wrap: wrap; }
  .payment-loop i { min-width: 20px; }
  .recognition-ledger > div { grid-template-columns: 42px 1fr; }
  .recognition-ledger span { display: none; }
  .section-heading h2, .about h2, .contact h2 { font-size: clamp(50px, 16vw, 76px); }
  .project-controls { position: relative; top: auto; border-radius: 16px; }
  .project-card,
  .project-card:nth-child(n) { min-height: 570px; padding: 22px; }
  .project-card .project-card-top,
  .project-card .project-card-body,
  .project-card .project-card-footer,
  .project-card:nth-child(even) .project-card-top,
  .project-card:nth-child(even) .project-card-body,
  .project-card:nth-child(even) .project-card-footer {
    max-width: 100%;
    margin-left: 0;
  }
  .project-card-body h3 { margin-top: 30px; font-size: clamp(36px, 11vw, 55px); }
  .project-card .card-cover,
  .project-card:nth-child(even) .card-cover {
    top: auto;
    left: 22px;
    right: 22px;
    bottom: 72px;
    width: auto;
    height: 210px;
    transform: none;
  }
  .project-card .project-card-footer { margin-top: auto; }
  .dialog-evidence-footer { align-items: flex-start; flex-direction: column; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article,
  .capability-grid article:first-child,
  .capability-grid article:nth-child(2),
  .capability-grid article:nth-child(3) { grid-column: 1; min-height: 280px; }
  .capability-grid h3,
  .capability-grid article:nth-child(3) h3 { margin-top: 74px; }
  .about { grid-template-columns: 1fr; }
  .about-stamp { min-height: 260px; }
  .contact { min-height: 80svh; }
  .mock-ai-ppt { grid-template-columns: 58px 1fr; }
  .ppt-canvas { grid-template-columns: 75px 1fr; }
  .ppt-agent { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-name,
  .hero h1 small,
  .topbar,
  .hero::after { animation: none !important; }
  .orbit-card { transform: translateY(8px); }
  .orbit-preview::after,
  .demo-live i,
  .ppt-slide.is-switching,
  .proof-console::before,
  .proof-console-state i,
  .proof-panel { animation: none !important; }
  .interactive-demo *,
  .demo-toast { transition-duration: .01ms !important; }
}