/* ============================================================
   SYFTER, shared design system (all pages)
   ============================================================ */
:root {
  --bg: #0A0A0F;
  --bg-soft: #0E0E15;
  --ink: #FFFFFF;
  --ink-dim: rgba(255,255,255,0.55);
  --ink-faint: rgba(255,255,255,0.28);
  --accent: #69BDFF;
  --accent-dim: rgba(105,189,255,0.35);
  --accent-faint: rgba(105,189,255,0.10);
  --red: #FF3355;
  --glass: rgba(255,255,255,0.035);
  --glass-border: rgba(255,255,255,0.09);
  --font-sans: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 350;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.has-cursor, body.has-cursor a, body.has-cursor button { cursor: none; }

::selection { background: var(--accent); color: var(--bg); }

h1, h2, h3 { font-weight: 480; letter-spacing: -0.03em; line-height: 1.08; }
a { color: inherit; }

/* ---------- ambient background ---------- */
#ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
#vignette {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse 120% 100% at 50% 40%, transparent 55%, rgba(0,0,0,0.5) 100%);
}
main { position: relative; z-index: 3; }

/* ---------- type utilities ---------- */
.mono {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.mono .tick { color: var(--accent); }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}
.section-label::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--accent-dim);
}

/* ---------- glass ---------- */
.glass {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
}
.glass::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(105,189,255,0.25), transparent 30%, transparent 70%, rgba(105,189,255,0.12));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}

/* ---------- buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.05rem 2.2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 100px;
  text-decoration: none;
  will-change: transform;
  transition: border-color 0.4s var(--ease-out), background 0.4s var(--ease-out), color 0.4s var(--ease-out);
}
.btn .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  transition: transform 0.4s var(--ease-out);
}
.btn:hover { border-color: var(--accent-dim); background: var(--accent-faint); }
.btn:hover .dot { transform: scale(1.4); }
.btn-solid {
  background: var(--accent);
  color: #08223A;
  border-color: var(--accent);
  font-weight: 500;
}
.btn-solid .dot { background: #08223A; box-shadow: none; }
.btn-solid:hover { background: #8DCEFF; color: #08223A; }

/* ---------- custom cursor ---------- */
#cursor-dot, #cursor-ring {
  position: fixed;
  top: 0; left: 0;
  z-index: 9999;
  pointer-events: none;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
#cursor-dot { width: 5px; height: 5px; background: var(--accent); }
#cursor-ring {
  width: 34px; height: 34px;
  border: 1px solid rgba(255,255,255,0.35);
  transition: width 0.35s var(--ease-out), height 0.35s var(--ease-out),
              border-color 0.35s var(--ease-out), background 0.35s var(--ease-out);
}
body.cursor-hover #cursor-ring {
  width: 56px; height: 56px;
  border-color: var(--accent);
  background: rgba(105,189,255,0.06);
}

/* ---------- nav ---------- */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 2.4rem;
  padding: 1.15rem 32px;
  transition: background 0.5s var(--ease-out), border-color 0.5s var(--ease-out), backdrop-filter 0.5s;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(10,10,15,0.72);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  border-bottom-color: rgba(255,255,255,0.06);
}
#nav .nav-logo {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.32em;
  text-decoration: none;
  color: var(--ink);
}
#nav .nav-logo em { color: var(--accent); font-style: normal; }
#nav .nav-logo img { height: 26px; width: auto; display: block; }
#nav .nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1.9rem;
}
#nav .nav-links a:not(.btn) {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-dim);
  transition: color 0.3s;
  padding: 0.4rem 0;
}
#nav .nav-links a:not(.btn):hover, #nav .nav-links a.active { color: var(--accent); }
#nav .nav-links .btn { padding: 0.65rem 1.4rem; font-size: 0.62rem; }
#nav-burger {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 8px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  padding: 0.55rem 0.9rem;
}
#nav-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}
#nav-menu.open { display: flex; }
#nav-menu a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-dim);
}
#nav-menu a:hover { color: var(--accent); }

/* ---------- corner stamps ---------- */
.chrome {
  position: fixed;
  z-index: 10;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  pointer-events: none;
  user-select: none;
}
#stamp-bl { bottom: 28px; left: 32px; }
#stamp-br { bottom: 28px; right: 32px; text-align: right; }

/* ---------- layout ---------- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 6vw; }
.container-narrow { max-width: 860px; margin: 0 auto; padding: 0 6vw; }

.page-hero {
  padding-top: calc(14vh + 70px);
  padding-bottom: 10vh;
  position: relative;
}
.page-hero .crumb {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 2.2rem;
}
.page-hero .crumb a { text-decoration: none; color: var(--ink-faint); transition: color 0.3s; }
.page-hero .crumb a:hover { color: var(--accent); }
.page-hero .crumb .sep { color: var(--accent-dim); padding: 0 0.55em; }
.page-hero h1 {
  font-size: clamp(2.4rem, 5.4vw, 4.4rem);
  max-width: 18ch;
}
.page-hero h1 .accent { color: var(--accent); }
.page-hero .lede {
  margin-top: 1.8rem;
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--ink-dim);
  max-width: 56ch;
}
.page-hero .lede strong { color: var(--ink); font-weight: 500; }
.page-hero .hero-stamp {
  position: absolute;
  top: calc(14vh + 70px);
  right: 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: right;
}

section.block { padding-top: 9vh; padding-bottom: 9vh; }

/* ---------- citable fact block (GEO) ---------- */
.fact-block {
  border-left: 2px solid var(--accent);
  background: linear-gradient(90deg, rgba(105,189,255,0.05), transparent 65%);
  padding: 1.8rem 2.2rem;
  border-radius: 0 14px 14px 0;
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  line-height: 1.65;
  color: var(--ink-dim);
  max-width: 70ch;
}
.fact-block strong, .fact-block b { color: var(--ink); font-weight: 500; }

/* ---------- prose (articles, long copy) ---------- */
.prose { max-width: 68ch; }
.prose h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); margin: 3.2rem 0 1.1rem; }
.prose h3 { font-size: 1.15rem; font-weight: 500; margin: 2.2rem 0 0.8rem; }
.prose p { color: var(--ink-dim); margin: 1.1rem 0; font-size: 1rem; line-height: 1.75; }
.prose strong { color: var(--ink); font-weight: 500; }
.prose ul, .prose ol { color: var(--ink-dim); margin: 1.1rem 0 1.1rem 1.3rem; line-height: 1.75; }
.prose li { margin: 0.45rem 0; }
.prose li::marker { color: var(--accent); }
.prose blockquote {
  border-left: 2px solid var(--accent);
  padding: 0.4rem 0 0.4rem 1.6rem;
  margin: 1.8rem 0;
  color: var(--ink);
  font-size: 1.12rem;
}

/* ---------- card grids ---------- */
.grid {
  display: grid;
  gap: 1.1rem;
  perspective: 1200px;
}
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  padding: 2.2rem 2rem 1.9rem;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
  will-change: transform;
  overflow: hidden;
  text-decoration: none;
}
.card .sheen {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.07) 48%, transparent 62%);
  transform: translateX(-130%);
  pointer-events: none;
}
.card .k {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.8rem;
}
.card h3 { font-size: 1.3rem; font-weight: 500; letter-spacing: -0.02em; }
.card p { color: var(--ink-dim); font-size: 0.88rem; margin-top: 0.8rem; line-height: 1.65; }
.card .foot {
  margin-top: auto;
  padding-top: 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.card .foot::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  flex-shrink: 0;
}
.card .big {
  font-size: clamp(2.4rem, 4.4vw, 3.6rem);
  font-weight: 480;
  letter-spacing: -0.04em;
  line-height: 1;
}
.card .big .u { color: var(--accent); }

/* ---------- numbered steps ---------- */
.steps { display: flex; flex-direction: column; gap: 1.1rem; counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.4rem;
  padding: 1.8rem 2rem;
  border-radius: 16px;
}
.step .s-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 4px;
}
.step h3 { font-size: 1.1rem; font-weight: 500; }
.step p { color: var(--ink-dim); font-size: 0.88rem; margin-top: 0.5rem; line-height: 1.65; }

/* ---------- protocol point rows (reused) ---------- */
.points { display: flex; flex-direction: column; gap: 1.1rem; }
.point {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 1.2rem;
  align-items: start;
  padding: 1.9rem 2.1rem;
  border-radius: 16px;
}
.point .p-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  padding-top: 5px;
  letter-spacing: 0.1em;
}
.point .p-tick {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1px solid var(--accent-dim);
  background: var(--accent-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  flex-shrink: 0;
  box-shadow: 0 0 14px rgba(105,189,255,0.2);
}
.point .p-tick svg { width: 13px; height: 13px; overflow: visible; }
.point .p-tick path {
  stroke: var(--accent);
  stroke-width: 2.4;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.point h3 { font-size: 1.18rem; font-weight: 500; }
.point p { color: var(--ink-dim); font-size: 0.9rem; margin-top: 0.5rem; line-height: 1.7; max-width: 60ch; }

/* ---------- role chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding: 0.6rem 1.1rem;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 100px;
  transition: border-color 0.3s, color 0.3s;
}
.chip:hover { border-color: var(--accent-dim); color: var(--accent); }

/* ---------- FAQ ---------- */
.faq { display: flex; flex-direction: column; gap: 0.9rem; max-width: 860px; }
.faq details {
  border: 1px solid var(--glass-border);
  background: var(--glass);
  border-radius: 14px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow: hidden;
}
.faq summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 1.9rem;
  font-weight: 500;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  user-select: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1.1rem;
  transition: transform 0.35s var(--ease-out);
  flex-shrink: 0;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq-a { padding: 0 1.9rem 1.6rem; color: var(--ink-dim); font-size: 0.92rem; line-height: 1.7; max-width: 72ch; }
.faq .faq-a strong { color: var(--ink); font-weight: 500; }

/* ---------- CTA band ---------- */
.cta-band {
  text-align: center;
  padding: 14vh 6vw;
}
.cta-band h2 { font-size: clamp(2rem, 4.6vw, 3.6rem); }
.cta-band p { margin-top: 1.2rem; color: var(--ink-dim); font-size: 1.05rem; }
.cta-band p .sep { color: var(--accent); padding: 0 0.55em; }
.cta-band .btn { margin-top: 2.6rem; }

/* ---------- footer ---------- */
footer {
  position: relative;
  z-index: 3;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 4.5rem 32px 2.4rem;
  background: transparent;
}
footer .f-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 2.5rem;
  max-width: 1180px;
  margin: 0 auto;
}
footer .f-logo { font-weight: 600; letter-spacing: 0.32em; font-size: 1rem; }
footer .f-logo em { color: var(--accent); font-style: normal; }
footer .f-logo img { height: 30px; width: auto; display: block; }
footer .f-tag {
  margin-top: 1rem;
  color: var(--ink-dim);
  font-size: 0.84rem;
  max-width: 30ch;
  line-height: 1.65;
}
footer .f-head {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.2rem;
}
footer .f-col a {
  display: block;
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.86rem;
  margin: 0.55rem 0;
  transition: color 0.3s;
}
footer .f-col a:hover { color: var(--accent); }
footer address {
  font-style: normal;
  color: var(--ink-dim);
  font-size: 0.86rem;
  line-height: 1.8;
}
footer address a { color: var(--ink-dim); text-decoration: none; }
footer address a:hover { color: var(--accent); }
footer .f-bottom {
  max-width: 1180px;
  margin: 3.5rem auto 0;
  padding-top: 1.8rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
footer .f-cert { color: var(--accent-dim); }
footer .f-cert b { color: var(--accent); font-weight: 400; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  #nav .nav-links { display: none; }
  #nav-burger { display: block; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  footer .f-grid { grid-template-columns: 1fr 1fr; }
  #stamp-bl, #stamp-br { display: none; }
  .page-hero .hero-stamp { display: none; }
  .point { grid-template-columns: auto 1fr; }
  .point .p-num { display: none; }
}
@media (max-width: 560px) {
  footer .f-grid { grid-template-columns: 1fr; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  #ambient { display: none; }
  body { background: radial-gradient(ellipse 90% 70% at 50% 0%, #10131c 0%, var(--bg) 60%); }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ---------- footer social/authority links ---------- */
footer .f-social { margin-top: 1.6rem; display: flex; flex-wrap: wrap; gap: 1.4rem; }
footer .f-social a {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-decoration: none;
  transition: color 0.3s;
}
footer .f-social a:hover { color: var(--accent); }

/* ---------- stat source attribution ---------- */
.card .src {
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- comparison table ---------- */
.compare { overflow-x: auto; margin-top: 2.6rem; }
.compare table { width: 100%; border-collapse: collapse; min-width: 620px; }
.compare th, .compare td {
  text-align: left;
  padding: 1.15rem 1.3rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  font-size: 0.9rem;
  vertical-align: top;
  line-height: 1.6;
}
.compare th {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.compare th.vs { color: var(--accent); }
.compare td { color: var(--ink-dim); }
.compare td:first-child { font-weight: 500; color: var(--ink); white-space: nowrap; }
.compare td.vs, .compare th.vs {
  border-left: 1px solid rgba(105,189,255,0.18);
  background: rgba(105,189,255,0.04);
}
.compare td.vs { color: var(--ink); }

/* ---------- resource library ---------- */
.lib { display: flex; flex-direction: column; max-width: 980px; margin-top: 2.4rem; }
.lib a.lib-row {
  display: grid;
  grid-template-columns: 110px 150px 1fr auto;
  gap: 1.4rem;
  align-items: baseline;
  padding: 1.15rem 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  text-decoration: none;
  transition: background 0.3s;
}
.lib a.lib-row:hover { background: rgba(255,255,255,0.025); }
.lib .lib-date, .lib .lib-cat {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.lib .lib-cat { color: var(--accent); }
.lib .lib-title { color: var(--ink-dim); font-size: 0.96rem; transition: color 0.3s; }
.lib a.lib-row:hover .lib-title { color: var(--ink); }
.lib .lib-arrow { color: var(--ink-faint); font-family: var(--font-mono); font-size: 0.8rem; }
@media (max-width: 760px) {
  .lib a.lib-row { grid-template-columns: 1fr auto; }
  .lib .lib-date, .lib .lib-cat { display: none; }
}

/* ---------- team headshots ---------- */
.person .headshot {
  width: 92px; height: 92px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1.6rem;
  filter: grayscale(1) brightness(0.85);
  border: 1px solid rgba(255,255,255,0.14);
  transition: filter 0.55s var(--ease-out), transform 0.55s var(--ease-out),
              border-color 0.55s var(--ease-out), box-shadow 0.55s var(--ease-out);
  will-change: filter, transform;
}
.person:hover .headshot {
  filter: grayscale(0) brightness(1.02);
  transform: scale(1.07);
  border-color: var(--accent-dim);
  box-shadow: 0 0 28px rgba(105,189,255,0.35);
}
.person:hover h3 { color: var(--accent); transition: color 0.4s var(--ease-out); }
.person h3 { transition: color 0.4s var(--ease-out); }