:root {
  --accent: #4F7DFF;
  --accent-rgb: 79, 125, 255;
  --bg: #08090B;
  --fg: #E7E9EE;
  --muted: #A8AEBA;
  --muted-2: #9AA0AC;
  --muted-3: #6E7480;
  --muted-4: #5F6470;
  --border: rgba(255, 255, 255, .06);
  --border-2: rgba(255, 255, 255, .08);
  --max: 1240px;
  --pad-x: clamp(16px, 4vw, 48px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Manrope', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, canvas, svg { max-width: 100%; }
a { color: var(--fg); text-decoration: none; }
a:hover { color: var(--accent); }
::selection { background: rgba(var(--accent-rgb), .3); }

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .35; transform: scale(.82); }
}
@keyframes caret {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .pulse, .caret { animation: none !important; }
}

.page {
  min-height: 100vh;
  background: radial-gradient(120% 80% at 78% -10%, rgba(var(--accent-rgb), .10), transparent 60%), var(--bg);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .8s cubic-bezier(.22,.61,.36,1), transform .8s cubic-bezier(.22,.61,.36,1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.dot.green { background: #22D39A; }
.dot.pulse { animation: pulseDot 2.6s ease-in-out infinite; }
.dim { opacity: .34; }
.mono { font-family: 'JetBrains Mono', monospace; }
.muted-3 { color: var(--muted-3); }
.accent-text { color: var(--accent); }
.accent-dot { background: var(--accent); }
.caret { animation: caret 1.1s steps(1) infinite; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(8, 9, 11, .72);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px var(--pad-x);
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: .02em;
  white-space: nowrap;
}
.nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  overflow-x: auto;
  scrollbar-width: none;
  font-size: 13px;
  letter-spacing: .01em;
}
.nav::-webkit-scrollbar { display: none; }
.nav > a {
  opacity: .68;
  white-space: nowrap;
  transition: opacity .2s, color .2s;
  flex: none;
}
.nav > a:hover { opacity: 1; }

.lang-toggle {
  display: flex;
  align-items: center;
  padding: 3px;
  gap: 2px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  flex: none;
}
.lang-btn {
  appearance: none;
  border: none;
  cursor: pointer;
  border-radius: 999px;
  padding: 4px 9px;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: .04em;
  transition: background .2s, color .2s;
  background: transparent;
  color: rgba(231, 233, 238, .55);
}
.lang-btn.active {
  background: var(--accent);
  color: #08090B;
}

/* hero */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(48px, 9vh, 110px) var(--pad-x) clamp(56px, 8vh, 96px);
  display: grid;
  gap: clamp(36px, 5vw, 64px);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 430px), 1fr));
  align-items: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 12px 6px 10px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: clamp(20px, 3vw, 28px);
}
.hero-title {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: clamp(38px, 8.4vw, 82px);
  line-height: .98;
  letter-spacing: -.03em;
  text-wrap: balance;
}
.hero-lead {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 30em;
  font-size: clamp(16px, 2.1vw, 20px);
  line-height: 1.55;
  color: var(--muted);
  text-wrap: pretty;
}
.hero-role {
  margin: 14px 0 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(12px, 1.5vw, 13.5px);
  color: var(--muted-3);
  letter-spacing: .01em;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 40px);
}
.social-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(14px, 2.4vw, 26px);
  margin-top: clamp(30px, 4vw, 42px);
  padding-top: clamp(22px, 3vw, 28px);
  border-top: 1px solid var(--border-2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
}
.social-row a { opacity: .7; transition: opacity .2s, color .2s; }
.social-row a:hover { opacity: 1; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 10px;
  font-size: 14.5px;
  letter-spacing: .01em;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--accent);
  color: #08090B;
  font-weight: 600;
  box-shadow: 0 14px 34px -18px var(--accent);
}
.btn-primary:hover { color: #08090B; }
.btn-ghost {
  border: 1px solid rgba(255, 255, 255, .14);
  color: var(--fg);
  font-weight: 500;
}
.btn-ghost:hover { border-color: rgba(255, 255, 255, .28); color: var(--fg); }

.canvas-card {
  position: relative;
  border: 1px solid var(--border-2);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(20, 23, 29, .9), rgba(11, 12, 15, .9));
  overflow: hidden;
  box-shadow: 0 40px 90px -50px rgba(0, 0, 0, .9);
}
.canvas-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted-3);
}
.canvas-topbar .dots { display: flex; gap: 6px; }
.canvas-topbar .dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
}
.graph-canvas {
  display: block;
  width: 100%;
  height: clamp(280px, 46vw, 420px);
  touch-action: pan-y;
}
.canvas-hint {
  padding: 12px 14px;
  border-top: 1px solid var(--border-2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--muted-3);
}

/* sections */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(56px, 9vh, 110px) var(--pad-x);
  border-top: 1px solid var(--border);
}
.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: clamp(24px, 4vw, 36px);
}
.section-title {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.18;
  letter-spacing: -.02em;
  text-wrap: balance;
}
.section-title.narrow {
  margin-bottom: clamp(28px, 4vw, 44px);
  font-size: clamp(24px, 4.6vw, 44px);
  line-height: 1.14;
  letter-spacing: -.025em;
  max-width: 24em;
}
.body-text {
  margin: 0 0 18px;
  font-size: clamp(15px, 1.8vw, 17.5px);
  line-height: 1.72;
  color: var(--muted);
  max-width: 40em;
  text-wrap: pretty;
}
.body-text:last-child { margin-bottom: 0; }

/* about */
.about-grid {
  display: grid;
  gap: clamp(28px, 5vw, 64px);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 330px), 1fr));
}
.facts-list {
  display: grid;
  gap: 10px;
  align-content: start;
}
.fact-row {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 16px 18px;
  border: 1px solid var(--border-2);
  border-radius: 12px;
  background: rgba(255, 255, 255, .015);
  transition: border-color .25s, background .25s;
}
.fact-row:hover {
  border-color: rgba(var(--accent-rgb), .35);
  background: rgba(var(--accent-rgb), .05);
}
.fact-row .fact-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
}
.fact-row .fact-v {
  font-size: 14.5px;
  line-height: 1.5;
  color: #C9CDD6;
}

/* process */
.steps-grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
}
.step-card {
  position: relative;
  padding: clamp(20px, 2.8vw, 28px);
  border: 1px solid var(--border-2);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .022), rgba(255, 255, 255, 0));
  transition: border-color .3s, transform .3s;
}
.step-card:hover {
  border-color: rgba(var(--accent-rgb), .4);
  transform: translateY(-3px);
}
.step-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted-3);
  margin-bottom: 14px;
}
.step-head .rule { height: 1px; flex: 1; background: rgba(255, 255, 255, .12); }
.step-card h3 {
  margin: 0 0 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: clamp(17px, 2.2vw, 21px);
  letter-spacing: -.01em;
}
.step-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--muted-2);
  text-wrap: pretty;
}

/* work */
.work-head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: clamp(28px, 4vw, 44px);
}
.projects-list { display: grid; gap: clamp(14px, 2vw, 20px); }
.project-card {
  position: relative;
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--border-2);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .022), rgba(255, 255, 255, 0));
  overflow: hidden;
  transition: border-color .3s, transform .3s, background .3s;
}
.project-card:hover {
  border-color: rgba(var(--accent-rgb), .4);
  transform: translateY(-3px);
}
.project-grid {
  display: grid;
  gap: clamp(18px, 3vw, 44px);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}
.project-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted-3);
  margin-bottom: 14px;
}
.project-meta .rule { height: 1px; width: 26px; background: rgba(255, 255, 255, .16); }
.project-meta .kind { letter-spacing: .1em; text-transform: uppercase; }
.project-card h3 {
  margin: 0 0 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: clamp(20px, 2.9vw, 30px);
  line-height: 1.2;
  letter-spacing: -.02em;
  text-wrap: balance;
}
.project-summary {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted-2);
  max-width: 34em;
}
.tech-row { display: flex; flex-wrap: wrap; gap: 7px; }
.tech-pill {
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #B4B9C4;
}
.project-psr {
  display: grid;
  gap: 1px;
  background: var(--border-2);
  border: 1px solid var(--border-2);
  border-radius: 12px;
  overflow: hidden;
}
.psr-block { padding: 16px 18px; background: #0B0C0F; }
.psr-block.result { background: rgba(var(--accent-rgb), .07); }
.psr-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-3);
  margin-bottom: 7px;
}
.psr-block.result .psr-label { color: var(--accent); }
.psr-value { font-size: 14.5px; line-height: 1.55; color: #C9CDD6; }
.psr-block.result .psr-value { color: #E2E5EB; }

/* stack */
.stack-grid {
  display: grid;
  gap: clamp(16px, 2.5vw, 24px);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.stack-card {
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--border-2);
  border-radius: 14px;
  background: rgba(255, 255, 255, .015);
  transition: border-color .3s;
}
.stack-card:hover { border-color: rgba(var(--accent-rgb), .3); }
.stack-head {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
}
.stack-head .dot { width: 5px; height: 5px; }
.stack-head span:last-child {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  letter-spacing: .01em;
}
.stack-items { display: flex; flex-wrap: wrap; gap: 7px; }
.stack-pill {
  padding: 6px 11px;
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: #ADB3BE;
  transition: color .2s, border-color .2s;
}
.stack-pill:hover { color: #fff; border-color: rgba(var(--accent-rgb), .5); }

/* contact */
.contact-section { padding-bottom: clamp(40px, 6vh, 64px); padding-top: clamp(64px, 11vh, 130px); }
.contact-title {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: clamp(30px, 6.6vw, 66px);
  line-height: 1.02;
  letter-spacing: -.03em;
  text-wrap: balance;
  max-width: 22em;
}
.contact-lead {
  margin: clamp(18px, 3vw, 26px) 0 clamp(28px, 4vw, 40px);
  font-size: clamp(15px, 1.9vw, 18px);
}

/* contact form */
.contact-form {
  display: grid;
  gap: 14px;
  max-width: 42em;
}
.form-row {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}
.field {
  display: grid;
  gap: 7px;
  font-size: 13.5px;
}
.field-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted-3);
}
.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-2);
  border-radius: 10px;
  background: rgba(255, 255, 255, .02);
  color: var(--fg);
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 14.5px;
  line-height: 1.5;
  transition: border-color .2s, background .2s;
  resize: vertical;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(var(--accent-rgb), .5);
  background: rgba(var(--accent-rgb), .04);
}
.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 6px;
}
.form-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.5;
}
.form-status.pending { color: var(--muted-3); }
.form-status.success { color: #22D39A; }
.form-status.error { color: #F0673C; }
.contact-social { margin-top: clamp(28px, 4vw, 40px); padding-top: clamp(22px, 3vw, 28px); }

/* footer */
.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px var(--pad-x) 40px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--muted-4);
}