:root {
  --bg: #0a0a0a;
  --bg-elev: #121214;
  --fg: #f5f5f5;
  --fg-muted: #8a8a8a;
  --fg-dim: #5a5a5a;
  --accent: #7dd3fc;
  --accent-strong: #38bdf8;
  --border: #1f1f22;
  --max: 1200px;
  --pad-x: clamp(1.25rem, 4vw, 3rem);
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #000;
  padding: 0.5rem 1rem;
  font-weight: 600;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.78);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.9rem var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.wordmark {
  color: var(--fg);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.wordmark-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(125, 211, 252, 0.15);
}
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a {
  color: var(--fg-muted);
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--fg); }
.nav-cta {
  color: var(--fg) !important;
  border: 1px solid var(--border);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  transition: background 160ms ease, border-color 160ms ease;
}
.nav-cta:hover {
  background: var(--accent);
  color: #000 !important;
  border-color: var(--accent);
}

@media (max-width: 640px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 12vh, 9rem) var(--pad-x) clamp(4rem, 10vh, 7rem);
  display: grid;
  grid-template-columns: 1fr 2.4fr;
  gap: 3rem;
  align-items: center;
  min-height: 88vh;
}
.hero-inner { max-width: 760px; }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 1.5rem;
  text-transform: uppercase;
}
.hero-title {
  font-size: clamp(2rem, 4.8vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin: 0 0 1.2rem;
}
.accent { color: var(--accent); }
.hero-sub {
  font-size: clamp(0.95rem, 1.35vw, 1.1rem);
  color: var(--fg-muted);
  max-width: 52ch;
  margin: 0 0 2rem;
}
.hero-ctas { display: flex; gap: 0.85rem; flex-wrap: wrap; }
.hero-art {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-art img {
  width: 100%;
  max-width: 900px;
  height: auto;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 1rem; }
  .hero-art { order: -1; max-width: 320px; margin: 0 auto; }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 140ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
  cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover { background: #fff; color: #000; }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--fg-muted); color: var(--fg); }
.btn-large {
  font-size: 1.1rem;
  padding: 1.1rem 1.9rem;
}

/* ---------- SECTIONS ---------- */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 7rem) var(--pad-x);
  border-top: 1px solid var(--border);
}
.section-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: #0a0a0a;
  background: #ffffff;
  text-transform: uppercase;
  margin: 0 0 1.25rem;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}
.section-title {
  font-size: clamp(1.9rem, 4.2vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0 0 2.4rem;
  max-width: 22ch;
}
.prose { max-width: 62ch; color: var(--fg-muted); }
.prose p { margin: 0 0 1.1rem; }
.prose em { color: var(--fg); font-style: normal; font-weight: 600; }
.prose-center {
  max-width: 50ch;
  text-align: center;
  margin: 0 auto 2rem;
  color: var(--fg-muted);
  font-size: 1.1rem;
}

/* ---------- HOW IT WORKS ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  transition: border-color 200ms ease, transform 200ms ease;
}
.card:hover {
  border-color: var(--fg-dim);
  transform: translateY(-2px);
}
.card-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
  letter-spacing: 0.1em;
}
.card h3 {
  font-size: 1.55rem;
  margin: 0 0 0.7rem;
  letter-spacing: -0.01em;
}
.card p { color: var(--fg-muted); margin: 0 0 0.9rem; }
.callout {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--accent);
  border-top: 1px solid var(--border);
  padding-top: 0.85rem;
  margin-top: 1.2rem !important;
}

@media (max-width: 820px) {
  .grid-3 { grid-template-columns: 1fr; }
}

/* ---------- ROADMAP ---------- */
.roadmap {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.roadmap li {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--border);
  align-items: start;
}
.roadmap li:last-child { border-bottom: 1px solid var(--border); }
.roadmap .status {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  justify-self: start;
  white-space: nowrap;
}
.roadmap .done .status   { color: #6ee7b7; border-color: rgba(110, 231, 183, 0.4); }
.roadmap .active .status { color: #fbbf24; border-color: rgba(251, 191, 36, 0.4); }
.roadmap .planned .status{ color: var(--fg-dim); }
.roadmap h3 { margin: 0 0 0.3rem; font-size: 1.15rem; }
.roadmap p  { margin: 0; color: var(--fg-muted); }

@media (max-width: 720px) {
  .roadmap li { grid-template-columns: 1fr; gap: 0.6rem; }
}

/* ---------- GREY BAND ---------- */
.grey-band {
  background: #c0c0c0;
}
.grey-band .section {
  border-top: none;
}
.grey-band .section-title {
  color: #0a0a0a;
}
.grey-band .prose {
  color: #444;
}
.grey-band .prose em {
  color: #0a0a0a;
}
.grey-band .callout {
  color: #0a0a0a;
  border-top-color: rgba(10, 10, 10, 0.2);
}
.grey-band .roadmap li {
  border-top-color: rgba(10, 10, 10, 0.15);
}
.grey-band .roadmap li:last-child {
  border-bottom-color: rgba(10, 10, 10, 0.15);
}
.grey-band .roadmap h3 { color: #1a1a1a; }
.grey-band .roadmap p  { color: #444; }
.grey-band .roadmap .status {
  color: #333;
  border-color: rgba(51, 51, 51, 0.45);
}
.grey-band .roadmap .done .status,
.grey-band .roadmap .active .status,
.grey-band .roadmap .planned .status {
  color: #333;
  border-color: rgba(51, 51, 51, 0.45);
}

/* ---------- TEAM ---------- */
.founders {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}
.founder {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.founder-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  margin-bottom: 1rem;
}
.founder-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 0.2rem;
  letter-spacing: -0.01em;
}
.founder-role-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0 0 0.25rem;
}
.founder-role {
  color: var(--fg-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- CONTACT ---------- */
.section-contact {
  text-align: center;
}
.section-contact .section-title { margin-left: auto; margin-right: auto; }
.email-plain {
  margin-top: 1.25rem;
  font-family: var(--mono);
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* ---------- FOOTER ---------- */
.footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--pad-x);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--fg-dim);
  font-size: 0.9rem;
}
.footer-links { display: flex; gap: 1.4rem; }
.footer-links a { color: var(--fg-muted); }
.footer-links a:hover { color: var(--fg); }

/* ---------- REVEAL ANIMATION ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.in { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}