:root{
  --ink: #0E1116;
  --ink-soft: #12161D;
  --panel: #161B23;
  --panel-2: #1D232E;
  --line: #262C37;
  --line-soft: #1D222B;
  --text: #EDEFF4;
  --muted: #8D96A6;
  --muted-2: #616B7C;
  --indigo: #6C7CFF;
  --indigo-soft: rgba(108,124,255,0.14);
  --indigo-dim: #4C56B8;
  --copper: #E8A15A;
  --copper-soft: rgba(232,161,90,0.14);
  --copper-dim: #C97F3C;
  --online: #58D68D;
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --maxw: 1180px;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin:0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img,svg{ display:block; max-width:100%; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; cursor:pointer; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}

p{ margin:0; }

::selection{ background: var(--indigo); color: #fff; }

:focus-visible{
  outline: 2px solid var(--copper);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--copper);
  letter-spacing: 0.01em;
}
.eyebrow::before{
  content:'';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 4px var(--copper-soft);
}

.section{ padding: 108px 0; border-top: 1px solid var(--line-soft); }
.section.tight{ padding: 88px 0; }
.section-head{ max-width: 620px; margin-bottom: 56px; }
.section-head h2{ font-size: clamp(1.8rem, 3vw, 2.5rem); }
.section-head p{ color: var(--muted); font-size: 1.05rem; margin-top: 16px; max-width: 54ch; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn:active{ transform: scale(0.98); }
.btn-primary{
  background: var(--text);
  color: var(--ink);
}
.btn-primary:hover{ background: var(--copper); }
.btn-ghost{
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover{ border-color: var(--muted); background: var(--panel); }
.btn-block{ width:100%; }

header{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(14,17,22,0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
header.scrolled{ border-bottom-color: var(--line-soft); background: rgba(14,17,22,0.92); }
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 76px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}
.logo .mark{
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--indigo), var(--copper));
  display:flex; align-items:center; justify-content:center;
}
.logo .mark svg{ width:16px; height:16px; }

.nav-links{
  display:flex; align-items:center; gap: 36px;
}
.nav-links a{
  font-size: 0.92rem;
  color: var(--muted);
  transition: color 0.2s ease;
  position: relative;
}
.nav-links a:hover{ color: var(--text); }

.nav-actions{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none;
  background:none; border:none; color: var(--text);
  padding: 6px;
}

@media (max-width: 880px){
  .nav-links{
    position: fixed;
    inset: 76px 0 auto 0;
    background: var(--ink-soft);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 32px 20px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .nav-links.open{ opacity:1; transform: translateY(0); pointer-events:auto; }
  .nav-links a{ padding: 14px 0; width:100%; border-bottom: 1px solid var(--line-soft); }
  .nav-toggle{ display:block; }
  .nav-actions .btn-ghost{ display:none; }
}

.hero{
  padding: 84px 0 96px;
  overflow: hidden;
  position: relative;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items:center;
}
.hero h1{
  font-size: clamp(2.5rem, 4.8vw, 4rem);
  margin-top: 20px;
}
.hero h1 span{ color: var(--indigo); }
.hero-sub{
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 46ch;
  margin-top: 22px;
}
.hero-actions{ display:flex; gap:14px; margin-top: 34px; flex-wrap: wrap; }

.hero-commits{
  display:flex;
  gap: 36px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.commit b{
  display:block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text);
}
.commit span{
  display:block;
  font-size: 0.85rem;
  color: var(--muted-2);
  margin-top: 4px;
  max-width: 16ch;
}

.hero-art{ position: relative; }
.hero-art svg{ width: 100%; height: auto; }

.net-line{
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  transition: stroke-dashoffset 1.4s cubic-bezier(.3,.7,.2,1);
}
.hero-art.loaded .net-line{ stroke-dashoffset: 0; }
.net-node{
  opacity: 0;
  transform-origin: center;
  transform: scale(0.4);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(.3,.7,.2,1);
}
.hero-art.loaded .net-node{ opacity:1; transform: scale(1); }
.net-node.n1{ transition-delay: 0.15s; }
.net-node.n2{ transition-delay: 0.55s; }
.net-node.n3{ transition-delay: 0.95s; }
.net-node.n4{ transition-delay: 1.2s; }
.pulse{
  animation: pulse 2.6s ease-in-out infinite;
}
.pulse.p2{ animation-delay: .6s; }
.pulse.p3{ animation-delay: 1.2s; }
@keyframes pulse{
  0%,100%{ opacity:0.55; }
  50%{ opacity: 1; }
}
.drift{ animation: drift 7s ease-in-out infinite; }
.drift.d2{ animation-delay: 1.4s; animation-duration: 8.5s; }
.drift.d3{ animation-delay: 2.8s; animation-duration: 6.5s; }
@keyframes drift{
  0%,100%{ transform: translateY(0px); }
  50%{ transform: translateY(-9px); }
}

.net-hit-group{
  cursor: pointer;
  outline: none;
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.25s ease;
}
.net-hit-group:hover,
.net-hit-group:focus-visible{
  transform: scale(1.07);
}
.net-hit-group .net-hit{
  fill: #000;
  opacity: 0;
}
.net-hit-group:focus-visible .net-hit{
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
.node-label-group{
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}
.net-hit-group:hover .node-label-group,
.net-hit-group:focus-visible .node-label-group{
  opacity: 1;
}
.node-label-bg{ fill: var(--panel-2); stroke: var(--line); }
.node-label-text{ fill: var(--text); font-family: 'JetBrains Mono', monospace; font-size: 11px; }
.hero-hint{
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted-2);
  margin-top: 18px;
}

.stack-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  overflow:hidden;
}
.stack-card{
  background: var(--ink);
  padding: 30px;
  display:flex;
  gap: 16px;
  align-items:flex-start;
}
.stack-card i{
  font-size: 1.55rem;
  color: var(--indigo);
  flex-shrink:0;
  margin-top: 2px;
}
.stack-card:nth-child(even) i{ color: var(--copper); }
.stack-card h4{ font-family: var(--font-display); font-size: 1rem; color: var(--text); margin-bottom: 6px; font-weight:600; }
.stack-card p{ color: var(--muted); font-size: 0.9rem; }

@media (max-width: 900px){ .stack-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px){ .stack-grid{ grid-template-columns: 1fr; } }

.problem{
  background: var(--panel);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.problem .wrap{ padding: 96px 32px; }
.problem-inner{ max-width: 760px; }
.problem h2{
  font-size: clamp(1.6rem, 3vw, 2.3rem);
}
.problem p{ color: var(--muted); margin-top: 20px; font-size: 1.08rem; max-width: 58ch; }
.problem p + p{ margin-top: 14px; }

.matcher-tabs{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.matcher-tab{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
  transition: all 0.2s ease;
}
.matcher-tab svg{ width:18px; height:18px; opacity:0.8; }
.matcher-tab:hover{ border-color: var(--muted-2); color: var(--text); }
.matcher-tab.active{
  background: var(--indigo-soft);
  border-color: var(--indigo);
  color: var(--text);
}
.matcher-tab.active svg{ opacity:1; }

.matcher-panel{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 44px;
  display:grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}
.matcher-info h3{ font-size: 1.6rem; }
.matcher-info > p{ color: var(--muted); margin-top: 14px; font-size: 1.02rem; max-width: 50ch; }
.matcher-list{ margin-top: 26px; display:flex; flex-direction:column; gap: 13px; }
.matcher-list li{
  display:flex; align-items:flex-start; gap: 11px;
  font-size: 0.96rem;
  color: var(--text);
}
.matcher-list li svg{ flex-shrink:0; margin-top:3px; width:16px; height:16px; color: var(--online); }

.matcher-side{
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 26px;
  align-self: start;
}
.matcher-side .row{
  display:flex; justify-content:space-between; align-items:baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}
.matcher-side .row:first-child{ padding-top:0; }
.matcher-side .row:last-of-type{ border-bottom:none; }
.matcher-side .row .k{ color: var(--muted-2); font-size: 0.85rem; }
.matcher-side .row .v{ font-family: var(--font-mono); font-size: 0.95rem; color: var(--text); text-align:right; }

@media (max-width: 760px){
  .matcher-panel{ grid-template-columns: 1fr; padding: 28px; }
}

.build-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.build-card{ transition: transform 0.25s ease; }
.build-card:hover{ transform: translateY(-4px); }
.build-card:hover .mock{ border-color: var(--indigo); }
.build-text{ padding: 20px 4px 0; }
.build-text h3{ font-size: 1.15rem; }
.build-text p{ color: var(--muted); margin-top: 8px; font-size: 0.94rem; }

@media (max-width: 880px){
  .build-grid{ grid-template-columns: 1fr; }
}

.process-list{
  display:flex;
  flex-direction: column;
}
.process-item{
  display:grid;
  grid-template-columns: 90px 1fr;
  gap: 28px;
  padding: 32px 0;
  border-top: 1px solid var(--line-soft);
}
.process-item:last-child{ border-bottom: 1px solid var(--line-soft); }
.process-num{
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--copper);
  padding-top: 4px;
}
.process-item h3{ font-size: 1.25rem; }
.process-item p{ color: var(--muted); margin-top: 10px; max-width: 60ch; font-size: 0.98rem; }

@media (max-width: 640px){
  .process-item{ grid-template-columns: 1fr; gap: 8px; }
}

.why-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  overflow:hidden;
}
.why-card{
  background: var(--ink);
  padding: 36px;
}
.why-card h3{ font-size: 1.1rem; display:flex; align-items:center; gap:12px; }
.why-card h3 svg{ width:20px; height:20px; color: var(--indigo); flex-shrink:0; }
.why-card p{ color: var(--muted); margin-top: 12px; font-size: 0.95rem; }

@media (max-width: 700px){
  .why-grid{ grid-template-columns: 1fr; }
}

.mock{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow:hidden;
}
.mock-bar{
  display:flex; align-items:center; gap:6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-soft);
  background: var(--panel-2);
}
.mock-bar i{ width:9px; height:9px; border-radius:50%; background: var(--line); display:block; }
.mock-bar span{ margin-left: 8px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted-2); }
.mock-body{ padding: 22px; min-height: 190px; }
.mock h4{ font-family: var(--font-display); font-size: 1rem; color: var(--text); margin-bottom: 6px;}
.mock p{ color: var(--muted); font-size: 0.88rem; }

.fake-block{ height:10px; border-radius:4px; background: var(--line); margin-bottom: 9px; }
.fake-block.w60{ width:60%; }
.fake-block.w80{ width:80%; }
.fake-block.w40{ width:40%; }
.fake-btn{ display:inline-block; margin-top:14px; padding:8px 16px; border-radius:100px; background: var(--indigo-soft); color:var(--indigo); font-size:0.78rem; font-weight:600; }

.chat-line{ display:flex; gap:10px; margin-bottom:14px; align-items:flex-start; }
.chat-dot{ width:26px; height:26px; border-radius:50%; flex-shrink:0; }
.chat-dot.a{ background: linear-gradient(135deg, var(--indigo), var(--indigo-dim)); }
.chat-dot.b{ background: linear-gradient(135deg, var(--copper), var(--copper-dim)); }
.chat-text{ font-size: 0.82rem; color: var(--muted); }
.chat-text b{ color: var(--text); font-size: 0.82rem; }
.chat-tag{ display:inline-block; margin-left:6px; padding: 1px 6px; border-radius:4px; background: var(--online); color:#0B2E1C; font-size:0.62rem; font-weight:700; vertical-align: middle; }

.term{ font-family: var(--font-mono); font-size: 0.82rem; line-height:1.9; }
.term .g{ color: var(--online); }
.term .c{ color: var(--copper); }
.term .m{ color: var(--muted); }
.term .cursor{ display:inline-block; width:7px; height:14px; background: var(--indigo); vertical-align:middle; animation: blink 1.1s step-end infinite; }
@keyframes blink{ 50%{ opacity:0; } }

.faq-list{ max-width: 760px; }
.faq-item{
  border-bottom: 1px solid var(--line-soft);
}
.faq-q{
  width:100%;
  background:none;
  border:none;
  color: var(--text);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 20px;
  padding: 24px 0;
  text-align:left;
  font-family: var(--font-display);
  font-size: 1.08rem;
}
.faq-q .plus{
  flex-shrink:0;
  width:22px; height:22px;
  position:relative;
}
.faq-q .plus::before, .faq-q .plus::after{
  content:'';
  position:absolute;
  background: var(--muted);
  transition: transform 0.25s ease, background 0.25s ease;
}
.faq-q .plus::before{ width:14px; height:2px; top:10px; left:4px; }
.faq-q .plus::after{ width:2px; height:14px; top:4px; left:10px; }
.faq-item.open .faq-q .plus::after{ transform: rotate(90deg); opacity:0; }
.faq-item.open .faq-q .plus::before{ background: var(--copper); }
.faq-a{
  max-height:0;
  overflow:hidden;
  transition: max-height 0.35s ease;
}
.faq-a p{ color: var(--muted); padding-bottom: 24px; max-width: 60ch; font-size: 0.98rem; }

.final-cta{
  background: linear-gradient(160deg, var(--panel) 0%, var(--ink) 70%);
  border-top: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}
.final-cta .wrap{ padding: 110px 32px; text-align:center; position:relative; z-index:2; }
.final-cta h2{ font-size: clamp(1.9rem, 4vw, 2.9rem); max-width: 18ch; margin: 0 auto; }
.final-cta p{ color: var(--muted); margin: 20px auto 0; max-width: 46ch; font-size: 1.05rem; }
.final-cta .hero-actions{ justify-content:center; margin-top: 34px; }
.glow{
  position:absolute; border-radius:50%;
  filter: blur(90px);
  opacity: 0.28;
  z-index:1;
}
.glow.g1{ width:420px; height:420px; background: var(--indigo); top:-140px; left: 10%; }
.glow.g2{ width:380px; height:380px; background: var(--copper); bottom:-160px; right: 8%; }

footer{ border-top: 1px solid var(--line-soft); padding: 72px 0 0; }
.footer-top{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
}
.footer-brand p{ color: var(--muted); margin-top: 16px; max-width: 32ch; font-size: 0.95rem; }
.footer-col h4{ font-size: 0.82rem; color: var(--muted-2); font-weight:600; margin-bottom: 18px; }
.footer-col ul{ display:flex; flex-direction:column; gap: 12px; }
.footer-col a{ color: var(--muted); font-size: 0.92rem; transition: color 0.2s ease; }
.footer-col a:hover{ color: var(--text); }

.footer-bottom{
  border-top: 1px solid var(--line-soft);
  padding: 26px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p{ color: var(--muted-2); font-size: 0.85rem; }
.holding-tag{
  display:inline-flex; align-items:center; gap:8px;
  font-size: 0.85rem;
  color: var(--muted-2);
}
.holding-tag b{ color: var(--muted); font-weight:600; }

@media (max-width: 760px){
  .footer-top{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px){
  .footer-top{ grid-template-columns: 1fr; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
}

@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-art{ display: none; }
}
@media (max-width: 620px){
  .wrap{ padding: 0 20px; }
  .section{ padding: 76px 0; }
  .matcher-panel{ padding: 24px; }
  .hero{ padding: 56px 0 64px; }
}