@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/SpaceGrotesk-Medium.ttf") format("truetype");
  font-weight: 400 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/SpaceGrotesk-Bold.ttf") format("truetype");
  font-weight: 600 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/JetBrainsMono-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/JetBrainsMono-SemiBold.ttf") format("truetype");
  font-weight: 500 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #070809;
  --bg2: #101216;
  --bg3: #161b22;
  --line: rgba(126, 200, 245, .12);
  --line2: rgba(232, 236, 241, .14);
  --text: #e8ecf1;
  --muted: #9aa3ad;
  --faint: #7a8490;
  --chrome: #d5dbe3;
  --chrome-dim: #8b939e;
  --accent: #7ec8f5;
  --accent-hot: #3d8fd1;
  --accent-ink: #071018;
  --accent-hover: #9ad4f8;
  --steel: #2a3038;
  --ok: #7ecf9a;
  --warn: #e2c37a;
  --bad: #e58f8f;
  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
  --shadow: 0 16px 40px rgba(0, 0, 0, .5);
  --font: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-out: var(--ease);
  --dur-fast: 120ms;
  --dur: 180ms;
  --dur-slow: 280ms;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.skip-link {
  position: absolute;
  left: var(--space-3);
  top: var(--space-3);
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .875rem;
  transform: translateY(-200%);
  transition: transform var(--dur-fast) ease;
}
.skip-link:focus {
  transform: none;
  outline: 2px solid var(--text);
  outline-offset: 2px;
}
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 520px at 85% -8%, rgba(126,200,245, .14), transparent 55%),
    radial-gradient(700px 480px at -5% 40%, rgba(61,143,209, .07), transparent 50%),
    radial-gradient(600px 400px at 50% 100%, rgba(42, 48, 56, .45), transparent 55%),
    var(--bg);
  background-attachment: fixed;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1060px, calc(100% - 3rem)); margin: 0 auto; }

/* ——— beta notice ——— */
.beta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3) var(--space-5);
  margin: var(--space-4) 0 0;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
  font-size: .875rem;
  line-height: 1.45;
  color: var(--muted);
}
.beta-bar strong {
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-right: var(--space-3);
}
.beta-bar a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.beta-bar a:hover { color: var(--text); }

/* ——— nav ——— */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 4.25rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  letter-spacing: .18em;
  font-size: .8125rem;
  transition: color var(--dur) var(--ease);
}
.brand:hover { color: var(--accent); }
.brand img {
  width: 24px;
  height: 24px;
  border-radius: var(--radius);
  transition: transform var(--dur-slow) var(--ease);
}
.brand:hover img { transform: rotate(-6deg) scale(1.05); }
.nav-links {
  display: flex;
  gap: var(--space-5);
  align-items: center;
  font-size: .875rem;
}
.nav-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--line2);
  border-radius: var(--radius);
  background: var(--bg2);
  cursor: pointer;
}
.nav-menu-btn span {
  display: block;
  width: 1.1rem;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
  border-radius: 1px;
  transition: transform var(--dur) ease, opacity var(--dur) ease;
}
.nav-menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(0, 0, 0, .55);
}
.nav-drawer-backdrop[hidden],
.nav-drawer[hidden] {
  display: none !important;
}
.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 50;
  width: min(18rem, 88vw);
  height: 100%;
  padding: 5rem var(--space-5) var(--space-5);
  display: grid;
  gap: var(--space-1);
  align-content: start;
  background: var(--bg2);
  border-left: 1px solid var(--line);
  box-shadow: -12px 0 40px rgba(0, 0, 0, .35);
}
.nav-drawer-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line2);
  border-radius: var(--radius);
  background: var(--bg3);
  color: var(--text);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
  padding: 0;
}
.nav-drawer-close:hover { border-color: var(--accent); color: var(--accent); }
.nav-drawer a {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  color: var(--text);
  font-weight: 500;
}
.nav-drawer a:hover,
.nav-drawer a[aria-current="page"] { background: var(--bg3); }
.nav-drawer a.btn { text-align: center; margin-top: var(--space-2); }
.nav-drawer a.btn-primary {
  color: var(--accent-ink);
  background: var(--accent);
}
.nav-drawer a.btn-primary:hover {
  color: var(--accent-ink);
  background: var(--accent-hover);
}
.nav-drawer a.btn-ghost { color: var(--text); }
body.nav-open { overflow: hidden; }
.nav-links > a:not(.btn) {
  position: relative;
  color: var(--muted);
  transition: color var(--dur) ease;
}
.nav-links > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -.35rem;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease);
}
.nav-links > a:not(.btn):hover,
.nav-links > a[aria-current="page"] { color: var(--text); }
.nav-links > a:not(.btn):hover::after,
.nav-links > a[aria-current="page"]::after { transform: scaleX(1); }

/* ——— buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 1px solid transparent;
  padding: 12px 16px;
  font: inherit;
  font-weight: 600;
  font-size: .875rem;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius);
  white-space: nowrap;
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 0 0 0 rgba(126,200,245, 0);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--accent-ink);
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(61,143,209, .22);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary[disabled] { opacity: .55; cursor: default; transform: none; box-shadow: none; }
.btn-ghost {
  background: transparent;
  border-color: var(--line2);
  color: var(--text);
  font-weight: 500;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(126,200,245, .05);
}
.btn-lg {
  min-height: 48px;
  padding: 14px 24px;
  font-size: .9375rem;
}

/* ——— page header ——— */
.page-hero {
  padding: clamp(3.5rem, 9vh, 5.5rem) 0 clamp(2.5rem, 5vh, 3.5rem);
  animation: rise .55s var(--ease) both;
}
.label {
  margin: 0 0 1.1rem;
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}
.page-hero h1 {
  margin: 0 0 1.1rem;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -.028em;
  line-height: 1.08;
}
.page-hero > p:not(.label) {
  margin: 0;
  color: var(--muted);
  font-size: 1.0625rem;
  line-height: 1.55;
  max-width: 56ch;
}

section.block {
  padding: clamp(3rem, 7vh, 4.5rem) 0;
  border-top: 1px solid var(--line);
}
section.block > .label { margin-bottom: 2rem; }

code, .mono { font-family: var(--mono); font-size: .88em; color: var(--accent); }

footer { border-top: 1px solid var(--line); margin-top: 1rem; }
.foot-cols {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 2rem;
  padding: 2.5rem 0 2.25rem;
}
.foot-brand { display: grid; gap: .8rem; align-content: start; }
.foot-brand p {
  margin: 0;
  color: var(--faint);
  font-size: .875rem;
  line-height: 1.6;
  max-width: 26ch;
}
.foot-group { display: grid; gap: .6rem; align-content: start; }
.foot-heading {
  margin: 0 0 .15rem;
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--chrome-dim);
}
.foot-group a { color: var(--muted); font-size: .875rem; transition: color var(--dur-fast) ease; }
.foot-group a:hover { color: var(--accent); }
.foot-bar {
  border-top: 1px solid var(--line);
  padding: 1.15rem 0 2rem;
  display: flex;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  flex-wrap: wrap;
  color: var(--faint);
  font-size: .875rem;
}

/* ——— motion ——— */
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
@keyframes brandIn {
  from { opacity: 0; letter-spacing: .32em; transform: translateY(8px); }
  to { opacity: 1; letter-spacing: .18em; transform: none; }
}
@keyframes accentWipe {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-hero, .hero, [data-reveal] { animation: none; opacity: 1; transform: none; transition: none; }
  .brand img, .btn, .nav-links > a:not(.btn)::after { transition: none; }
}

.btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 820px) {
  .wrap { width: calc(100% - 2.25rem); }
  .nav-links { display: none; }
  .nav-menu-btn { display: inline-flex; }
  .foot-cols {
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
    padding-top: 2rem;
  }
  .foot-brand { grid-column: 1 / -1; }
}