:root {
  color-scheme: dark;
  --bg: #050309;
  --bg-soft: #0d0715;
  --panel: rgba(17, 10, 28, 0.78);
  --panel-strong: rgba(23, 14, 38, 0.92);
  --text: #f8f4ff;
  --muted: #b9adc7;
  --line: rgba(226, 211, 255, 0.16);
  --line-strong: rgba(205, 170, 255, 0.32);
  --purple: #9f67ff;
  --purple-strong: #7f3dff;
  --purple-soft: #d9c0ff;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.48);
  --max: 1180px;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #fbf9ff;
  --bg-soft: #f2edff;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: rgba(255, 255, 255, 0.96);
  --text: #120b1d;
  --muted: #594966;
  --line: rgba(60, 25, 108, 0.16);
  --line-strong: rgba(98, 55, 160, 0.32);
  --purple: #7134d8;
  --purple-strong: #4d1ba6;
  --purple-soft: #8d55e7;
  --shadow: 0 28px 90px rgba(38, 13, 79, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 52% 10%, rgba(126, 66, 219, 0.32), transparent 32rem),
    radial-gradient(circle at 12% 28%, rgba(116, 64, 196, 0.18), transparent 24rem),
    radial-gradient(circle at 90% 20%, rgba(166, 105, 255, 0.12), transparent 22rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .95;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.96) 0 1px, transparent 1.6px),
    radial-gradient(circle, rgba(174,122,255,.78) 0 1.1px, transparent 1.9px),
    radial-gradient(circle, rgba(255,255,255,.55) 0 1px, transparent 1.8px),
    radial-gradient(circle, rgba(211,185,255,.66) 0 1.2px, transparent 2.1px),
    radial-gradient(circle, rgba(255,255,255,.80) 0 .8px, transparent 1.5px);
  background-position: 22px 40px, 90px 140px, 170px 80px, 44px 220px, 15px 11px;
  background-size: 180px 210px, 260px 235px, 360px 310px, 150px 170px, 96px 118px;
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0,0,0,.90) 58%, transparent 100%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(222, 205, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(222, 205, 255, 0.038) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.72), transparent 82%);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  z-index: 100;
  padding: .7rem 1rem;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  transition: top .2s ease;
}
.skip-link:focus { top: 1rem; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter: blur(18px);
}
.nav {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  font-size: 1.04rem;
  font-weight: 760;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: .35rem;
  color: var(--muted);
  font-size: .9rem;
}
.nav-actions a,
.theme-toggle {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .75rem;
  border: 1px solid transparent;
  border-radius: 999px;
}
.nav-actions a:hover,
.theme-toggle:hover {
  border-color: var(--line);
  color: var(--text);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}
.theme-toggle {
  cursor: pointer;
  color: var(--muted);
  background: transparent;
  font: inherit;
}
.theme-toggle img { width: 1.25rem; height: 1.25rem; }
.hero {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 5.25rem 0 3.2rem;
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(360px, 1.12fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5.5rem);
}
.hero-copy-block { max-width: 650px; }
.eyebrow {
  margin-bottom: .9rem;
  color: var(--purple-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0; line-height: 1.02; letter-spacing: -.055em; }
h1 { max-width: 10ch; font-size: clamp(4rem, 8vw, 7.8rem); }
h2 { font-size: clamp(2.0rem, 4.4vw, 4rem); }
h3 { font-size: 1.12rem; letter-spacing: -.02em; }
.lead {
  max-width: 690px;
  margin-top: 1.35rem;
  font-size: clamp(1.2rem, 2.1vw, 1.65rem);
  color: color-mix(in srgb, var(--text) 86%, var(--muted));
}
.plain-note {
  max-width: 620px;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 1.02rem;
}
.source-line {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.3rem;
}
.source-line span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .45rem .7rem;
  color: color-mix(in srgb, var(--text) 88%, var(--muted));
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  font-size: .88rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin-top: 2rem;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .8rem 1.05rem;
  border-radius: 999px;
  font-weight: 720;
  border: 1px solid var(--line-strong);
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary {
  color: white;
  border-color: color-mix(in srgb, var(--purple) 58%, white);
  background: linear-gradient(135deg, var(--purple-strong), var(--purple));
  box-shadow: 0 18px 54px rgba(120, 62, 246, .28);
}
.button-secondary { color: var(--text); background: color-mix(in srgb, var(--panel) 68%, transparent); }
.hero-art {
  border-radius: 3.3rem;
  filter: drop-shadow(0 32px 80px rgba(0,0,0,.40));
}
.hero-art img {
  width: 100%;
  border-radius: 3.3rem;
}
.section {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.2rem 0;
}
.tool-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .85rem;
  padding-top: 1rem;
}
.tool-strip article,
.capability-card,
.statement-card,
.contact-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel-strong) 82%, transparent), color-mix(in srgb, var(--panel) 88%, transparent));
  box-shadow: var(--shadow);
}
.tool-strip article {
  min-height: 170px;
  padding: 1.1rem;
  border-radius: 1.25rem;
}
.tool-strip span {
  display: block;
  margin-bottom: 1.1rem;
  color: var(--purple-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .72rem;
  letter-spacing: .18em;
}
.tool-strip strong {
  display: block;
  margin-bottom: .65rem;
  font-size: 1.05rem;
}
.tool-strip p,
.capability-card p,
.statement-card p,
.contact-card p {
  color: var(--muted);
}
.section-head.compact {
  max-width: 760px;
  margin-bottom: 1.25rem;
}
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .85rem;
}
.capability-card {
  min-height: 185px;
  padding: 1.25rem;
  border-radius: 1.35rem;
}
.capability-card h3 { margin-bottom: .75rem; }
.statement-card {
  border-radius: 1.8rem;
  padding: clamp(1.4rem, 3vw, 2.25rem);
}
.statement-card h2 { max-width: 940px; }
.statement-card p { max-width: 850px; margin-top: 1rem; font-size: 1.04rem; }
.contact-card {
  border-radius: 1.8rem;
  padding: clamp(1.4rem, 3vw, 2.25rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.contact-card > div { max-width: 650px; }
.contact-card p:last-child { margin-top: .9rem; }
.site-footer {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .86rem;
}
.site-footer p:last-child { max-width: 550px; text-align: right; }
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding-top: 3.5rem; }
  h1 { max-width: 12ch; }
  .tool-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .nav { min-height: auto; padding: 1rem 0; align-items: flex-start; }
  .nav-actions { justify-content: flex-end; flex-wrap: wrap; }
  .nav-actions a { display: none; }
  .hero { padding: 2.8rem 0 2rem; }
  h1 { font-size: clamp(3.2rem, 18vw, 5rem); }
  .lead { font-size: 1.12rem; }
  .plain-note { font-size: .98rem; }
  .tool-strip, .capability-grid { grid-template-columns: 1fr; }
  .contact-card, .site-footer { flex-direction: column; align-items: flex-start; }
  .site-footer p:last-child { text-align: left; }
}