/* Drop — landing site. Dependency-free static CSS.
   Deploys to Cloudflare Pages, GitHub Pages, Netlify, or Vercel as-is. */

:root {
  --bg:       #0A0510;
  --bg-2:     #120A1E;
  --surface:  #170D26;
  --line:     rgba(255, 255, 255, 0.09);
  --line-2:   rgba(255, 255, 255, 0.16);
  --ink:      #F4EEFF;
  --muted:    #A99CC4;
  --magenta:  #FF2E9A;
  --violet:   #8A5CFF;
  --cyan:     #25E6C8;
  --grad: linear-gradient(100deg, #FF2E9A 0%, #8A5CFF 52%, #25E6C8 100%);

  --display: 'Syne', system-ui, sans-serif;
  --body:    'Space Grotesk', system-ui, sans-serif;
  --mono:    'Space Mono', ui-monospace, monospace;

  --wrap: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(900px 520px at 78% -8%, rgba(138, 92, 255, 0.22), transparent 60%),
    radial-gradient(760px 480px at 10% 4%, rgba(255, 46, 154, 0.16), transparent 58%),
    var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---- Eyebrow / labels ---- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

/* ---- Header ---- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 5, 16, 0.62);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.04em;
  text-decoration: none;
  display: inline-flex; align-items: baseline; gap: 2px;
}
.wordmark .caret { color: var(--magenta); font-size: 0.7em; transform: translateY(-1px); }
.head-meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.head-meta b { color: var(--ink); font-weight: 400; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--body); font-weight: 600; font-size: 15px;
  padding: 13px 22px; border-radius: 999px;
  text-decoration: none; border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary {
  background: var(--grad); color: #0A0510;
  box-shadow: 0 6px 30px rgba(255, 46, 154, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 38px rgba(138, 92, 255, 0.4); }
.btn-ghost { color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }

/* ---- Hero ---- */
.hero { position: relative; padding: clamp(56px, 11vw, 128px) 0 0; }
.hero .wrap { position: relative; z-index: 2; }
.hero h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(54px, 13vw, 168px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 22px 0 0;
}
.hero h1 .grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero .sub {
  max-width: 30ch;
  font-size: clamp(18px, 2.3vw, 22px);
  color: var(--muted);
  margin: 26px 0 0;
}
.hero .sub b { color: var(--ink); font-weight: 500; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin: 34px 0 0; }
.hero-cta .note {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted);
}

/* ---- Spectrum signature ---- */
.spectrum {
  position: relative; z-index: 1;
  display: flex; align-items: flex-end; gap: 3px;
  height: clamp(90px, 16vw, 168px);
  margin: clamp(40px, 7vw, 84px) 0 0;
  padding: 0 24px;
  max-width: var(--wrap);
  margin-left: auto; margin-right: auto;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.spectrum .bar {
  flex: 1 1 0;
  height: 100%;
  border-radius: 3px 3px 0 0;
  background: var(--grad);
  transform-origin: bottom;
  transform: scaleY(var(--h, 0.3));
  opacity: 0.92;
  animation: eq var(--dur, 1.4s) ease-in-out var(--delay, 0s) infinite alternate;
}
@keyframes eq {
  from { transform: scaleY(calc(var(--h, 0.3) * 0.34)); opacity: 0.6; }
  to   { transform: scaleY(var(--h, 0.3)); opacity: 0.95; }
}
.spectrum-line {
  height: 1px; border: none;
  background: linear-gradient(90deg, transparent, var(--line-2), transparent);
  max-width: var(--wrap); margin: 0 auto;
}

/* ---- Marquee ---- */
.marquee {
  overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 18px 0; margin-top: 0;
  background: rgba(255, 255, 255, 0.012);
}
.marquee-track {
  display: inline-flex; gap: 0; white-space: nowrap;
  animation: scroll 38s linear infinite;
}
.marquee-track span {
  font-family: var(--display); font-weight: 700; font-size: 18px;
  text-transform: uppercase; letter-spacing: 0.02em; color: var(--muted);
  padding: 0 26px;
}
.marquee-track span::after { content: "●"; color: var(--magenta); margin-left: 26px; font-size: 9px; vertical-align: middle; }
@keyframes scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---- Section scaffold ---- */
.section { padding: clamp(72px, 12vw, 140px) 0; }
.section-head { max-width: 64ch; }
.section-head h2 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(30px, 5vw, 50px); line-height: 1.04;
  letter-spacing: -0.02em; margin: 16px 0 0;
}

/* ---- Features ---- */
.features {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 18px; margin-top: clamp(38px, 6vw, 64px);
}
.feature {
  border: 1px solid var(--line); border-radius: 18px;
  padding: 30px 26px 34px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0));
  position: relative; overflow: hidden;
  transition: border-color .2s ease, transform .2s ease;
}
.feature:hover { border-color: var(--line-2); transform: translateY(-3px); }
.feature .tag {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--magenta);
}
.feature h3 {
  font-family: var(--display); font-weight: 700; font-size: 23px;
  margin: 14px 0 10px; line-height: 1.12;
}
.feature p { color: var(--muted); font-size: 15.5px; }
.feature .glyph {
  position: absolute; top: -14px; right: 6px;
  font-family: var(--display); font-weight: 800; font-size: 86px;
  color: rgba(255,255,255,0.045); line-height: 1; user-select: none;
}

/* ---- CTA band ---- */
.cta-band {
  border: 1px solid var(--line-2); border-radius: 24px;
  padding: clamp(40px, 7vw, 72px);
  background:
    radial-gradient(600px 300px at 80% 0%, rgba(37, 230, 200, 0.14), transparent 60%),
    radial-gradient(600px 320px at 0% 100%, rgba(255, 46, 154, 0.16), transparent 60%),
    var(--surface);
  text-align: center;
}
.cta-band h2 {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(30px, 6vw, 58px); line-height: 0.98;
  letter-spacing: -0.02em; text-transform: uppercase;
}
.cta-band p { color: var(--muted); margin: 18px auto 30px; max-width: 46ch; }

/* ---- Footer ---- */
.site-foot { border-top: 1px solid var(--line); padding: 56px 0 64px; }
.foot-grid { display: flex; flex-wrap: wrap; gap: 28px; justify-content: space-between; align-items: flex-start; }
.foot-brand .wordmark { font-size: 26px; }
.foot-brand p { color: var(--muted); font-size: 14.5px; margin-top: 12px; max-width: 34ch; }
.foot-links { display: flex; gap: 30px; flex-wrap: wrap; }
.foot-col h4 {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted); font-weight: 400; margin-bottom: 12px;
}
.foot-col a { display: block; text-decoration: none; color: var(--ink); font-size: 15px; padding: 4px 0; opacity: 0.85; }
.foot-col a:hover { opacity: 1; color: var(--cyan); }
.foot-legal {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; color: var(--muted);
}

/* ---- Legal / long-form doc pages ---- */
.doc { padding: clamp(48px, 8vw, 92px) 0 96px; }
.doc-inner { max-width: 760px; margin: 0 auto; }
.doc .back {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; display: inline-block; margin-bottom: 28px;
}
.doc .back:hover { color: var(--cyan); }
.doc h1 {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(36px, 7vw, 60px); letter-spacing: -0.02em; line-height: 1; text-transform: uppercase;
}
.doc .meta { color: var(--muted); font-family: var(--mono); font-size: 13px; margin: 16px 0 8px; }
.doc .draft-flag {
  margin: 26px 0 40px; padding: 16px 18px; border-radius: 12px;
  border: 1px solid rgba(255, 46, 154, 0.4); background: rgba(255, 46, 154, 0.07);
  color: var(--ink); font-size: 14.5px;
}
.doc h2 {
  font-family: var(--display); font-weight: 700; font-size: 24px;
  margin: 44px 0 14px; letter-spacing: -0.01em;
}
.doc h2 .num { color: var(--magenta); font-family: var(--mono); font-size: 15px; margin-right: 12px; }
.doc p, .doc li { color: #D8CFEA; font-size: 16px; }
.doc p { margin: 0 0 16px; }
.doc ul { margin: 0 0 16px; padding-left: 22px; }
.doc li { margin: 0 0 9px; }
.doc strong { color: var(--ink); }
.doc a { color: var(--cyan); }

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .features { grid-template-columns: 1fr; }
  .head-meta { display: none; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding: 0 18px; }
  .hero h1 { font-size: clamp(40px, 13vw, 56px); }
  .hero .sub { max-width: none; }
  .hero-cta .btn { flex: 1 1 auto; justify-content: center; }
  .spectrum { padding: 0 18px; }
}

/* ---- A11y ---- */
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .spectrum .bar { animation: none; transform: scaleY(var(--h, 0.3)); }
  .marquee-track { animation: none; }
}