:root {
  color-scheme: dark;
  --bg: #05070d;
  --bg-elevated: #09111d;
  --surface: #0d1522;
  --panel: #111b2a;
  --panel-strong: #172337;
  --ink: #f5f7fb;
  --muted: #c0cad8;
  --subtle: #92a0b4;
  --line: rgba(188, 203, 225, 0.24);
  --line-strong: rgba(139, 220, 28, 0.52);
  --green: #76b900;
  --green-bright: #a8ff4a;
  --cyan: #54dcff;
  --blue: #7aa7ff;
  --shadow: 0 20px 56px rgba(0, 0, 0, 0.34);
  --max: 1160px;
  --section-y: clamp(3rem, 7vw, 6rem);
  --section-y-hero: clamp(3rem, 6vw, 5rem);
  --gap: clamp(1rem, 2.5vw, 1.5rem);
  --gap-lg: clamp(1.5rem, 4vw, 3rem);
  --card-pad: clamp(1rem, 2vw, 1.35rem);
  --radius: 20px;
  --radius-sm: 14px;
  --h1: clamp(2.35rem, 6vw, 4.75rem);
  --h2: clamp(1.75rem, 4vw, 3.25rem);
  --h3: clamp(1.05rem, 2vw, 1.25rem);
  --body: clamp(0.98rem, 1.1vw, 1.05rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(118, 185, 0, 0.13), transparent 28rem),
    radial-gradient(circle at 85% 8%, rgba(57, 213, 255, 0.12), transparent 30rem),
    linear-gradient(180deg, #05070d 0%, #07101a 42%, #04060b 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: var(--body);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

a { color: inherit; overflow-wrap: anywhere; }
img, svg { display: block; max-width: 100%; height: auto; }
code, pre { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; }
:where(a, button, [tabindex]):focus-visible {
  outline: 3px solid rgba(84, 220, 255, 0.92);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  background: var(--green);
  color: #041006;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-weight: 800;
  transition: top 160ms ease;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(0.75rem, 2vw, 1.25rem);
  width: 100%;
  padding: 0.85rem clamp(0.9rem, 3vw, 2.25rem);
  background: rgba(5, 7, 13, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.logo, .nav-links, .site-footer nav, .hero-actions, .contact-grid, .github-section {
  display: flex;
  align-items: center;
}
.logo {
  min-width: 0;
  gap: 0.7rem;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.logo-mark {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid var(--line-strong);
  color: var(--green-bright);
  background: linear-gradient(135deg, rgba(118,185,0,.16), rgba(57,213,255,.05));
  border-radius: 0.7rem;
  font-size: 0.78rem;
}
.nav-links { min-width: 0; flex-wrap: wrap; justify-content: center; gap: clamp(0.55rem, 1.6vw, 1.2rem); color: var(--muted); font-size: clamp(0.84rem, 1.4vw, 0.92rem); }
.nav-links a, .site-footer a { text-decoration: none; }
.nav-links a:hover, .site-footer a:hover { color: var(--green-bright); }
.nav-cta, .button, .text-link {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}
.nav-cta { flex: 0 0 auto; padding: 0.58rem 0.9rem; font-size: 0.9rem; background: rgba(118, 185, 0, 0.08); }
.nav-cta:hover, .button:hover, .text-link:hover { transform: translateY(-2px); border-color: var(--green-bright); background-color: rgba(168, 255, 74, 0.1); }

.section-shell {
  width: min(var(--max), calc(100% - clamp(1.5rem, 5vw, 4rem)));
  margin: 0 auto;
  padding: var(--section-y) 0;
  min-width: 0;
}
.hero {
  min-height: min(760px, calc(100svh - 4rem));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.82fr);
  gap: var(--gap-lg);
  align-items: center;
  padding-top: var(--section-y-hero);
  padding-bottom: var(--section-y-hero);
}
.kicker {
  margin: 0 0 1rem;
  color: var(--green-bright);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3, p, li, dd, dt, strong, span, em, code { overflow-wrap: anywhere; }
h1 {
  max-width: 14ch;
  margin-bottom: 1rem;
  font-size: var(--h1);
  line-height: 0.98;
  letter-spacing: -0.038em;
}
h2 {
  max-width: 17ch;
  margin-bottom: 1rem;
  font-size: var(--h2);
  line-height: 1.05;
  letter-spacing: -0.028em;
}
h3 { font-size: var(--h3); line-height: 1.25; }
.hero-lead, .section-heading p, .section-copy p, .feature-card p, .cta-card p, .site-footer p {
  color: var(--muted);
}
.hero-lead { max-width: 42rem; font-size: clamp(1.02rem, 1.7vw, 1.22rem); }
.hero-actions { flex-wrap: wrap; gap: 0.8rem; margin: 1.5rem 0; }
.button, .text-link { display: inline-flex; align-items: center; justify-content: center; min-width: 0; min-height: 2.7rem; padding: 0.72rem 1rem; }
.button.primary { background: linear-gradient(135deg, var(--green), var(--cyan)); color: #031006; border: 0; }
.button.secondary, .text-link { background: rgba(255, 255, 255, 0.04); }
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
}
.hero-metrics div, .feature-card, .profile-card, .terminal-card, .evidence-card, .cta-card, .doc-grid a, .report-stack a, .contact-grid a, .spec-grid div {
  background: linear-gradient(180deg, rgba(20, 29, 43, 0.92), rgba(10, 15, 24, 0.92));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.hero-metrics div { min-width: 0; padding: 0.9rem; border-radius: var(--radius-sm); }
.hero-metrics dt { color: var(--subtle); font-size: 0.72rem; text-transform: uppercase; letter-spacing: .16em; }
.hero-metrics dd { margin: 0.2rem 0 0; font-weight: 900; }
.hero-visual img, .panel-illustration, .wide-illustration {
  filter: drop-shadow(0 24px 50px rgba(0, 0, 0, 0.42));
}
.hero-visual, .section-copy, .section-heading, .profile-card, .terminal-card, .cta-card, .report-stack, .doc-grid, .contact-grid { min-width: 0; }
.hero-visual img { width: min(100%, 560px); margin-inline: auto; }

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.74fr);
  gap: var(--gap-lg);
  align-items: center;
}
.section-heading { max-width: 56rem; margin-bottom: clamp(1.5rem, 3vw, 2rem); }
.dark-panel {
  width: min(calc(var(--max) + 2rem), calc(100% - clamp(1rem, 4vw, 3rem)));
  padding-inline: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 90% 10%, rgba(118, 185, 0, 0.12), transparent 24rem),
    linear-gradient(180deg, rgba(15, 23, 36, 0.92), rgba(6, 9, 15, 0.96));
}
.feature-grid { display: grid; gap: var(--gap); }
.feature-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; }
.feature-card, .cta-card { min-width: 0; min-height: 0; padding: var(--card-pad); border-radius: var(--radius-sm); }
.feature-card span, .evidence-card span, .report-stack span {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--green-bright);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.profile-card { display: grid; gap: 1rem; justify-items: center; padding: var(--card-pad); border-radius: var(--radius); text-align: center; }
.profile-avatar {
  width: 220px;
  height: 220px;
  max-width: 100%;
  object-fit: cover;
  object-position: center center;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.32);
}
.profile-card strong { display: block; font-size: 1.3rem; }
.profile-card span { color: var(--muted); }
.spec-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gap); }
.spec-grid div { min-width: 0; min-height: 7rem; padding: var(--card-pad); border-radius: var(--radius-sm); }
.spec-grid span { display: block; color: var(--subtle); text-transform: uppercase; letter-spacing: .14em; font-size: .72rem; }
.spec-grid strong { display: block; margin-top: 0.55rem; font-size: clamp(1rem, 1.6vw, 1.14rem); }
.terminal-card { border-radius: var(--radius); overflow: hidden; }
.terminal-bar { display: flex; gap: 0.45rem; padding: 0.9rem 1rem; border-bottom: 1px solid var(--line); }
.terminal-bar span { width: .72rem; height: .72rem; border-radius: 50%; background: var(--green); opacity: .85; }
pre { margin: 0; padding: var(--card-pad); overflow-x: auto; color: #e4eefc; font-size: clamp(0.78rem, 1.6vw, 0.92rem); white-space: pre-wrap; }
.panel-illustration { width: min(100%, 460px); justify-self: center; }
.wide-illustration { width: min(100%, 960px); margin-inline: auto; }
.evidence-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gap); }
.evidence-card { min-width: 0; min-height: 0; padding: var(--card-pad); border-radius: var(--radius-sm); text-decoration: none; }
.evidence-card strong, .evidence-card em { display: block; }
.evidence-card em { margin-top: .6rem; color: var(--muted); font-style: normal; }
.report-stack { display: grid; gap: 0.75rem; }
.report-stack a, .doc-grid a, .contact-grid a { min-width: 0; padding: 0.95rem; border-radius: var(--radius-sm); text-decoration: none; }
.report-stack a { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.report-stack a:hover, .doc-grid a:hover, .contact-grid a:hover, .evidence-card:hover { border-color: var(--line-strong); transform: translateY(-2px); background-color: rgba(168, 255, 74, 0.06); }
.doc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.9rem; }
.contact-section { text-align: center; }
.contact-section .section-heading { margin-inline: auto; }
.contact-grid { justify-content: center; flex-wrap: wrap; gap: 0.9rem; }
.github-section {
  justify-content: space-between;
  align-items: center;
  gap: var(--gap-lg);
  padding: clamp(1.5rem, 4vw, 2.4rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(118,185,0,.12), rgba(57,213,255,.08));
}
.github-section h2 { max-width: 20ch; }
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: var(--gap-lg);
  padding: 2rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.site-footer strong { color: var(--ink); }
.site-footer nav { flex-wrap: wrap; gap: 1rem; }

.reveal { animation: rise 700ms ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; scroll-behavior: auto !important; transition: none !important; }
}
@media (max-width: 920px) {
  .site-header { flex-wrap: wrap; }
  .nav-links { order: 3; flex-basis: 100%; justify-content: flex-start; }
  .hero, .split-section, .feature-grid.three, .spec-grid, .evidence-grid, .doc-grid { grid-template-columns: minmax(0, 1fr); }
  .hero { min-height: auto; }
  .profile-avatar { width: 180px; height: 180px; }
  .hero-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .github-section, .site-footer { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 700px) {
  .nav-links { display: none; }
  .hero-metrics { grid-template-columns: minmax(0, 1fr); }
  .spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .site-header { align-items: center; }
  .logo span:last-child { max-width: 11rem; white-space: normal; line-height: 1.1; }
  .section-shell { width: min(100% - 1rem, var(--max)); }
  .dark-panel { width: min(100% - 0.75rem, calc(var(--max) + 2rem)); }
  .profile-avatar { width: 140px; height: 140px; }
  h1 { font-size: clamp(2.25rem, 12vw, 3.35rem); }
  h2 { font-size: clamp(1.65rem, 8vw, 2.35rem); }
  .hero-actions .button { width: 100%; }
  .spec-grid { grid-template-columns: minmax(0, 1fr); }
  .report-stack a { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 360px) {
  .site-header { padding-inline: 0.65rem; gap: 0.55rem; }
  .logo-mark { width: 2rem; height: 2rem; }
  .logo span:last-child { max-width: 9rem; font-size: 0.92rem; }
  .nav-cta { padding-inline: 0.72rem; }
}