:root {
  --bg: #0b0f16;
  --bg-raised: rgba(255, 255, 255, 0.025);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #eef2f6;
  --text-soft: #9aa7b4;
  --text-faint: #5c6875;
  --brand: #2bb888;
  --brand-bright: #34d399;
  --brand-ink: #7fe0bf;
  --brand-wash: rgba(43, 184, 136, 0.12);
  --bad: #f0647e;
  --bad-wash: rgba(240, 100, 126, 0.12);
  --warn: #e8b45a;
  --warn-wash: rgba(232, 180, 90, 0.12);
  --cyan: #38bdf8;
  --cyan-ink: #7dd3fc;
  --cyan-wash: rgba(56, 189, 248, 0.12);
  --violet: #a78bfa;
  --violet-ink: #c4b5fd;
  --violet-wash: rgba(167, 139, 250, 0.12);
  --radius: 16px;
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

/* clip (with hidden fallback) keeps decorative glows from expanding the
   layout viewport on small screens, so text wraps against the true width. */
html, body { overflow-x: hidden; overflow-x: clip; }

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

::selection { background: rgba(43, 184, 136, 0.35); }

a { color: inherit; text-decoration: none; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- backdrop ---------- */
.backdrop {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0.25) 45%, transparent 80%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0.25) 45%, transparent 80%);
}
.glow {
  position: absolute; z-index: -1; pointer-events: none;
  width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43,184,136,0.16) 0%, rgba(43,184,136,0.05) 40%, transparent 70%);
  filter: blur(20px);
}
.glow.glow-violet {
  background: radial-gradient(circle, rgba(167,139,250,0.12) 0%, rgba(167,139,250,0.04) 40%, transparent 70%);
}
.hero .glow-violet { top: -100px; left: auto; right: -220px; transform: none; }
.page-hero .glow-violet { top: -180px; left: auto; right: -260px; transform: none; }
.cta .glow-violet { bottom: -480px; left: 16%; transform: none; }

/* accent text */
.c-cyan { color: var(--cyan); }
.c-violet { color: var(--violet); }
.c-green { color: var(--brand-bright); }
.strip .c-cyan { color: var(--cyan-ink); }
.strip .c-violet { color: var(--violet-ink); }
.strip .c-green { color: var(--brand-ink); }

/* ---------- nav ---------- */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(11, 15, 22, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.logo-mark { width: 32px; height: 32px; display: block; flex-shrink: 0; }
.logo-mark svg {
  width: 100%; height: 100%; display: block;
  filter: drop-shadow(0 0 8px rgba(52, 211, 153, 0.28));
}
.cta-mark { width: 64px; height: 64px; margin: 0 auto 24px; display: block; }
.cta-mark svg {
  width: 100%; height: 100%; display: block;
  filter: drop-shadow(0 0 16px rgba(52, 211, 153, 0.32));
  animation: spin 14s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.byline-mark { width: 22px; height: 22px; display: inline-block; flex-shrink: 0; }
.byline-mark svg { width: 100%; height: 100%; display: block; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; color: var(--text-soft); }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-links .btn { color: #06130d; }
.nav-toggle {
  display: none;
  width: 38px; height: 38px;
  background: transparent; color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 9px;
  place-items: center; cursor: pointer;
}
@media (max-width: 640px) {
  .nav-toggle { display: grid; }
  .nav-links {
    display: none;
    position: fixed; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 24px 20px;
    background: #0d121a;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 24px 40px -20px rgba(0, 0, 0, 0.7);
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { display: block; padding: 13px 0; font-size: 15px; border-bottom: 1px solid var(--border); }
  .nav-links .btn { margin-top: 16px; justify-content: center; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 10px;
  font-size: 14px; font-weight: 600; letter-spacing: 0.01em;
  background: var(--brand-bright); color: #06130d;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
}
.btn:hover { background: #4be0ab; transform: translateY(-1px); box-shadow: 0 8px 24px -8px rgba(52, 211, 153, 0.45); }
.btn.ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn.ghost:hover { background: rgba(255,255,255,0.05); box-shadow: none; }
.btn.lg { padding: 13px 26px; font-size: 15px; border-radius: 12px; }
.btn.sm { padding: 8px 14px; font-size: 13px; border-radius: 9px; }

/* ---------- hero (home) ---------- */
.hero { position: relative; padding: 160px 0 96px; }
.hero .glow { top: -160px; left: 50%; transform: translateX(-72%); }
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
@media (max-width: 900px) {
  .hero { padding: 128px 0 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
}

.eyebrow {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--brand-ink);
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}
.eyebrow::before {
  content: ""; width: 24px; height: 1px; background: var(--brand);
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 5.4vw, 58px);
  font-weight: 700; line-height: 1.06; letter-spacing: -0.03em;
  margin-bottom: 22px;
}
h1 .accent { color: var(--brand-bright); }

.lede { font-size: 18px; color: var(--text-soft); max-width: 480px; margin-bottom: 34px; }

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* ---------- terminal card ---------- */
.terminal {
  position: relative;
  background: rgba(13, 18, 26, 0.85);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05) inset, 0 30px 60px -30px rgba(0,0,0,0.8);
  overflow: hidden;
  font-family: var(--font-mono); font-size: 12.5px;
}
.terminal-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.dots { display: flex; gap: 6px; }
.dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.12); }
.terminal-title { color: var(--text-faint); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.live {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
  font-size: 10px; letter-spacing: 0.12em; color: var(--brand-ink);
}
.live::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-bright);
  box-shadow: 0 0 8px var(--brand-bright);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.35; } }

.terminal-body { padding: 16px 8px 14px; overflow-x: auto; }
.trow {
  display: flex; gap: 14px; align-items: baseline;
  padding: 5px 12px; border-radius: 8px;
  white-space: nowrap;
  opacity: 0; transform: translateY(6px);
  animation: rowin 0.5s ease-out forwards;
}
.trow:nth-child(1) { animation-delay: 0.25s; }
.trow:nth-child(2) { animation-delay: 0.55s; }
.trow:nth-child(3) { animation-delay: 0.85s; }
.trow:nth-child(4) { animation-delay: 1.2s; }
.trow:nth-child(5) { animation-delay: 1.75s; }
.trow:nth-child(6) { animation-delay: 2.1s; }
.trow:nth-child(7) { animation-delay: 3.1s; }
@keyframes rowin { to { opacity: 1; transform: translateY(0); } }

.t-time { color: var(--text-faint); }
.t-kind { width: 74px; flex-shrink: 0; color: var(--text-soft); }
.t-detail { color: var(--text); }
.t-detail .path { color: var(--text-soft); }
.t-ok { margin-left: auto; color: var(--brand); }
.trow.flag { background: var(--bad-wash); }
.trow.flag .t-kind { color: var(--bad); }
.trow.flag .t-ok { color: var(--warn); }
.trow.signal .t-kind { color: var(--warn); }
.trow.policy .t-kind { color: var(--violet); }
.trow.human .t-kind { color: var(--brand-bright); }
.terminal-foot {
  border-top: 1px solid var(--border);
  padding: 11px 20px;
  font-size: 11.5px; color: var(--text-faint);
  display: flex; gap: 8px; flex-wrap: wrap;
  opacity: 0; animation: rowin 0.5s ease-out 3.6s forwards;
}
.terminal-foot b { color: var(--brand-ink); font-weight: 500; }
@media (max-width: 640px) {
  .terminal { font-size: 11.5px; }
  .trow { gap: 10px; }
  .t-kind { width: 64px; }
}

/* ---------- agents strip ---------- */
.strip {
  padding: 20px 0 8px;
  text-align: center;
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-faint);
}
.strip b { color: var(--text-soft); font-weight: 500; }

/* ---------- sections ---------- */
section { position: relative; padding: 96px 0; }
.band-top { border-top: 1px solid var(--border); }
.section-head { max-width: 560px; margin-bottom: 56px; }
h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 38px);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.15;
  margin-bottom: 14px;
}
.section-head p { color: var(--text-soft); font-size: 16.5px; }

/* pillars and tiles */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px 30px;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.card:hover { border-color: rgba(43,184,136,0.4); transform: translateY(-3px); background: rgba(255,255,255,0.035); }
.card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
.card-icon {
  width: 42px; height: 42px; border-radius: 11px;
  background: var(--brand-wash);
  border: 1px solid rgba(43,184,136,0.3);
  display: grid; place-items: center;
  color: var(--brand-bright);
}
.card-index { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); letter-spacing: 0.1em; }
.card h3 { font-family: var(--font-display); font-size: 20px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 10px; }
.card p { color: var(--text-soft); font-size: 14.5px; }
.card .btn { margin-top: 18px; }
.card.compact { padding: 24px; }
.card.compact h3 { font-size: 17px; margin-bottom: 8px; }
.tile-num { font-family: var(--font-mono); font-size: 12px; color: var(--brand-ink); letter-spacing: 0.1em; margin-right: 8px; }

/* per-card accent variants */
.card.accent-cyan .card-icon { color: var(--cyan); background: var(--cyan-wash); border-color: rgba(56,189,248,0.3); }
.card.accent-cyan .card-index, .card.accent-cyan .tile-num { color: var(--cyan-ink); }
.card.accent-cyan:hover { border-color: rgba(56,189,248,0.45); }
.card.accent-violet .card-icon { color: var(--violet); background: var(--violet-wash); border-color: rgba(167,139,250,0.3); }
.card.accent-violet .card-index, .card.accent-violet .tile-num { color: var(--violet-ink); }
.card.accent-violet:hover { border-color: rgba(167,139,250,0.45); }
.card.accent-amber .card-icon { color: var(--warn); background: var(--warn-wash); border-color: rgba(232,180,90,0.3); }
.card.accent-amber .card-index, .card.accent-amber .tile-num { color: var(--warn); }
.card.accent-amber:hover { border-color: rgba(232,180,90,0.45); }

/* how it works */
#how { border-top: 1px solid var(--border); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding: 28px 4px 0; border-top: 1px solid var(--border-strong); }
.step::before {
  content: ""; position: absolute; top: -1px; left: 0;
  width: 56px; height: 1px; background: var(--brand-bright);
}
.step-num {
  font-family: var(--font-mono); font-size: 12px; color: var(--brand-ink);
  letter-spacing: 0.14em; margin-bottom: 14px; display: block;
}
.step h3 { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.step p { color: var(--text-soft); font-size: 14.5px; }
.step.s-cyan::before { background: var(--cyan); }
.step.s-cyan .step-num { color: var(--cyan-ink); }
.step.s-violet::before { background: var(--violet); }
.step.s-violet .step-num { color: var(--violet-ink); }

/* humans in the loop */
#humans { border-top: 1px solid var(--border); }
.hitl-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 900px) { .hitl-grid { grid-template-columns: 1fr; gap: 44px; } }
.hitl-lede { color: var(--text-soft); font-size: 16.5px; max-width: 480px; margin-bottom: 26px; }
.hitl-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.hitl-list li { position: relative; padding-left: 28px; color: var(--text-soft); font-size: 14.5px; }
.hitl-list li::before {
  content: ""; position: absolute; left: 0; top: 5px;
  width: 13px; height: 13px; border-radius: 4px;
  background: var(--brand-wash); border: 1px solid rgba(43,184,136,0.5);
}
.hitl-list b { color: var(--text); font-weight: 600; }
.hitl-list.list-x li::before { background: var(--bad-wash); border-color: rgba(240, 100, 126, 0.45); }
.card .hitl-list { margin-top: 14px; gap: 12px; }
.approval-card {
  max-width: 430px; margin-left: auto;
  background: rgba(13, 18, 26, 0.85);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.05) inset, 0 30px 60px -30px rgba(0,0,0,0.8);
}
@media (max-width: 900px) { .approval-card { margin-left: 0; } }
.approval-head {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--warn); margin-bottom: 16px;
}
.approval-head::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--warn); box-shadow: 0 0 8px var(--warn);
  animation: pulse 2s ease-in-out infinite;
}
.approval-title { font-family: var(--font-display); font-size: 17px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 10px; }
.approval-meta { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); margin-bottom: 4px; }
.approval-actions { display: flex; gap: 10px; margin: 18px 0; }
.approval-foot {
  border-top: 1px solid var(--border); padding-top: 13px;
  font-family: var(--font-mono); font-size: 11.5px; color: var(--text-faint);
}
.approval-foot b { color: var(--brand-ink); font-weight: 500; }

/* CTA band */
.cta {
  position: relative;
  border-top: 1px solid var(--border);
  text-align: center; padding: 120px 0;
  overflow: hidden;
}
.cta .glow { bottom: -420px; left: 50%; transform: translateX(-50%); }
.cta h2 { font-size: clamp(30px, 4.4vw, 46px); margin-bottom: 16px; }
.cta p { color: var(--text-soft); font-size: 17px; max-width: 440px; margin: 0 auto 36px; }

/* ---------- sub-pages ---------- */
.page-hero { position: relative; padding: 156px 0 24px; }
.page-hero .glow { top: -220px; left: 50%; transform: translateX(-58%); }
.page-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 4.8vw, 50px);
  font-weight: 700; line-height: 1.08; letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.page-sub { font-size: 17px; color: var(--text-soft); max-width: 560px; }

/* blog */
.post-list { display: grid; gap: 20px; max-width: 720px; }
.post-card {
  display: block;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.post-card:hover { border-color: rgba(43,184,136,0.4); transform: translateY(-2px); background: rgba(255,255,255,0.035); }
.post-meta {
  display: flex; gap: 10px;
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 12px;
}
.post-card h3 { font-family: var(--font-display); font-size: 21px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 8px; }
.post-excerpt { color: var(--text-soft); font-size: 15px; margin-bottom: 14px; }
.post-more { font-family: var(--font-mono); font-size: 12.5px; color: var(--brand-ink); }
.blog-note { margin-top: 28px; font-family: var(--font-mono); font-size: 12.5px; color: var(--text-faint); }
.blog-note a { color: var(--brand-ink); }

/* article */
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12.5px; color: var(--brand-ink);
  margin-bottom: 28px;
}
.back-link:hover { color: var(--brand-bright); }
.article-meta {
  display: flex; gap: 10px; align-items: center;
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 8px;
}
.article-section { padding-top: 24px; }
.prose { max-width: 680px; color: var(--text-soft); font-size: 16.5px; }
.prose p { margin-bottom: 20px; }
.prose h2 { font-size: 23px; margin: 40px 0 14px; }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { color: var(--brand-ink); text-decoration: underline; text-underline-offset: 3px; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 880px; }
@media (max-width: 700px) { .contact-grid { grid-template-columns: 1fr; } }

/* footer */
footer {
  border-top: 1px solid var(--border);
  padding: 36px 0 44px;
  font-size: 13.5px; color: var(--text-faint);
}
.foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot .logo { font-size: 15px; }
.foot .logo-mark { width: 24px; height: 24px; }
.foot a:hover { color: var(--text-soft); }
.foot-links { display: flex; gap: 22px; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .trow, .terminal-foot { opacity: 1 !important; transform: none !important; animation: none !important; transition: none !important; }
  .cta-mark svg { animation: none !important; }
  html { scroll-behavior: auto; }
}