/* ---------- Fonts (self-hosted Inter variable) ---------- */
@font-face {
  font-family: "Inter";
  src: url("assets/fonts/inter-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  src: url("assets/fonts/inter-greek-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}

/* ---------- Tokens ---------- */
:root {
  --ink: #141821;
  --ink-2: #1c212c;
  --ink-3: #2a303c;
  --paper: #ffffff;
  --paper-2: #f5f5f3;
  --line: #e4e4e0;
  --line-dark: rgba(255, 255, 255, 0.1);
  --text: #141821;
  --muted: #5f6470;
  --muted-light: rgba(255, 255, 255, 0.62);
  --signal: #7ee0a8;

  --wrap: 1160px;
  --gutter: clamp(16px, 4vw, 32px);
  --radius: 14px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3 { margin: 0; font-weight: 500; letter-spacing: -0.025em; line-height: 1.08; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -48px; z-index: 100; background: #fff; color: var(--ink); padding: 8px 14px; border-radius: 8px; }
.skip:focus { top: 12px; }

.eyebrow, .label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.eyebrow { color: var(--muted-light); }
.label { color: var(--muted); }

/* ---------- Brand ---------- */
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand__mark { width: 22px; height: 25px; }
.wordmark {
  font-weight: 400;
  font-size: 15px;
  letter-spacing: 0.52em;
  margin-right: -0.52em; /* cancel trailing tracking */
  line-height: 1;
}
.wordmark__light { opacity: .55; margin-left: .35em; }
.wordmark-stack { display: inline-flex; flex-direction: column; align-items: center; gap: 8px; }
.wordmark--sub { font-size: 9px; letter-spacing: 0.9em; margin-right: -0.9em; opacity: 0.6; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px; padding: 0 22px;
  border-radius: 999px;
  font: 500 15px/1 var(--font);
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--small { height: 38px; padding: 0 16px; font-size: 14px; }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: #e9ebef; }
.btn--ghost { color: #fff; border-color: rgba(255,255,255,.28); }
.btn--ghost:hover { border-color: #fff; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--ink-3); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  color: #fff;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(20, 24, 33, 0.82);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-color: var(--line-dark);
}
.nav__inner { display: flex; align-items: center; gap: 32px; height: 72px; }
.nav__links { display: flex; gap: 28px; margin-left: auto; font-size: 15px; }
.nav__links a { color: var(--muted-light); transition: color .2s; }
.nav__links a:hover { color: #fff; }
.nav__toggle { display: none; }
.mobile-menu { display: none; }

@media (max-width: 760px) {
  .nav__links, .nav__inner > .btn { display: none; }
  .nav__toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    margin-left: auto; width: 40px; height: 40px; padding: 0 9px;
    background: none; border: 0; cursor: pointer;
  }
  .nav__toggle span { height: 1.5px; background: #fff; border-radius: 2px; transition: transform .25s, opacity .25s; }
  .nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  .nav.is-open { background: var(--ink); }
  .mobile-menu:not([hidden]) {
    display: flex; flex-direction: column;
    padding: 8px var(--gutter) 24px;
    background: var(--ink);
  }
  .mobile-menu a { padding: 14px 0; font-size: 20px; border-bottom: 1px solid var(--line-dark); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column;
  background: radial-gradient(1200px 700px at 78% 40%, #1f2533 0%, var(--ink) 60%);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero__field { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hero__inner {
  flex: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
  padding-top: 120px;
  padding-bottom: 48px;
  width: 100%;
}
.hero h1 { font-size: clamp(42px, 5.6vw, 76px); margin: 22px 0 26px; }
.hero .dim { color: rgba(255,255,255,.42); }
.hero .lede { max-width: 30em; color: var(--muted-light); font-size: clamp(17px, 1.4vw, 19px); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero__foot {
  display: flex; justify-content: space-between; width: 100%;
  padding-top: 20px; padding-bottom: 28px;
  font-size: 13px; color: var(--muted-light);
  border-top: 1px solid var(--line-dark);
  letter-spacing: 0.04em;
}

.status { display: inline-flex; align-items: center; gap: 9px; }
.status i {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(126,224,168,.6);
  animation: pulse 2.4s infinite;
}
.status--dark i { background: #2fb36b; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(126,224,168,.55); }
  70% { box-shadow: 0 0 0 9px rgba(126,224,168,0); }
  100% { box-shadow: 0 0 0 0 rgba(126,224,168,0); }
}

/* ---------- Hero: Pallas's cat (manul) ---------- */
.manul {
  justify-self: end;
  width: min(100%, 460px);
  aspect-ratio: 360 / 316;
}
.manul__svg { width: 100%; height: 100%; overflow: visible; }
.manul__svg * { transform-box: fill-box; }

/* slow breathing */
.manul__breathe { transform-origin: 50% 100%; animation: manul-breathe 4.2s ease-in-out infinite; }
@keyframes manul-breathe { 50% { transform: scale(1.012, 1.02); } }

/* unimpressed half-lidded eyes, with a slow blink */
.manul__lid { transform-origin: 50% 0; transform: scaleY(var(--lid, .36)); animation: manul-blink 5.5s infinite; transition: transform .25s; }
@keyframes manul-blink {
  0%, 90%, 100% { transform: scaleY(var(--lid, .36)); }
  93%, 95%      { transform: scaleY(1); }
}
.manul:hover .manul__lid { --lid: .58; }   /* smug squint on hover */

/* pupils follow the pointer (set from main.js) */
.manul__pupil { transform: translate(var(--px, 0px), var(--py, 0px)); transition: transform .35s cubic-bezier(.2,.7,.2,1); }

/* ear twitch now and then */
.manul__ear--r { transform-origin: 20% 90%; animation: manul-ear 7s ease-in-out infinite; }
.manul__ear--l { transform-origin: 80% 90%; animation: manul-ear 9s ease-in-out -4s infinite; }
@keyframes manul-ear { 0%, 86%, 100% { transform: rotate(0); } 89% { transform: rotate(-14deg); } 92% { transform: rotate(4deg); } }

/* lazy tail swish */
.manul__tail { transform-origin: 0% 100%; animation: manul-tail 3.6s ease-in-out infinite alternate; }
@keyframes manul-tail { from { transform: rotate(-6deg); } to { transform: rotate(8deg); } }

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; padding-top: 96px; gap: 8px; }
  .manul { order: -1; justify-self: center; width: min(74vw, 300px); margin-bottom: -6px; }
}

/* ---------- Sections ---------- */
.section { padding: clamp(80px, 11vw, 140px) 0; }
.section--tint { background: var(--paper-2); }
.section__head { max-width: 640px; margin-bottom: clamp(40px, 6vw, 64px); }
.section__head h2 { font-size: clamp(34px, 4.6vw, 56px); margin-top: 16px; }
.section__lede { margin-top: 20px; color: var(--muted); font-size: 18px; }

/* Feature card */
.feature {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  background: #fff;
}
.feature__art {
  position: relative;
  min-height: 420px;
  background: linear-gradient(135deg, #1a1f2b, #0e1118);
  display: grid; place-items: center;
  overflow: hidden;
}
.feature__grid {
  position: absolute; inset: -1px;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 50% 50%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 20%, transparent 75%);
}
.feature__mark { position: relative; width: 72px; height: auto; aspect-ratio: 212/237; color: rgba(255,255,255,.14); }
.feature__tag {
  position: absolute; left: 20px; bottom: 18px;
  font-size: 11px; letter-spacing: .24em; text-transform: uppercase;
  color: rgba(255,255,255,.45);
}
.feature__body { padding: clamp(28px, 4vw, 52px); display: flex; flex-direction: column; gap: 18px; }
.feature__body h3 { font-size: clamp(28px, 3vw, 38px); }
.feature__body > p:not(.label) { color: var(--muted); }
.redacted {
  background: var(--ink); color: var(--ink);
  border-radius: 4px; padding: 0 .15em;
  transition: color .3s;
  cursor: help;
}
.redacted:hover { color: #fff; }
.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 6px 0 10px; border-top: 1px solid var(--line); }
.specs div { padding: 14px 0; border-bottom: 1px solid var(--line); }
.specs dt { font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.specs dd { margin: 4px 0 0; font-weight: 500; }
.feature .btn { align-self: flex-start; }

.upcoming { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.upcoming__card {
  display: flex; align-items: center; gap: 22px;
  padding: 26px 28px;
  border: 1px dashed #cfd0cb;
  border-radius: var(--radius);
  color: var(--muted);
}
.upcoming__num { font-size: 28px; font-weight: 300; color: #b3b5b0; letter-spacing: -0.02em; }

@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; }
  .feature__art { min-height: 260px; }
  .upcoming { grid-template-columns: 1fr; }
}

/* Pillars */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pillar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px 36px;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.pillar:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -24px rgba(20,24,33,.3); }
.pillar__num { font-size: 13px; letter-spacing: .2em; color: var(--muted); }
.pillar h3 { font-size: 22px; margin: 40px 0 12px; }
.pillar p { color: var(--muted); font-size: 16px; }
@media (max-width: 860px) { .pillars { grid-template-columns: 1fr; } .pillar h3 { margin-top: 24px; } }

/* ---------- Signup ---------- */
.signup { background: var(--ink); color: #fff; padding: clamp(80px, 10vw, 128px) 0; }
.signup__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: end; }
.signup h2 { font-size: clamp(38px, 5vw, 64px); margin: 18px 0 18px; }
.signup .lede { color: var(--muted-light); max-width: 28em; }
.signup__form { display: flex; flex-wrap: wrap; gap: 10px; }
.signup__form input {
  flex: 1 1 240px;
  height: 52px; padding: 0 22px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.04);
  color: #fff;
  font: 16px var(--font);
  transition: border-color .2s, background .2s;
}
.signup__form input::placeholder { color: rgba(255,255,255,.4); }
.signup__form input:focus { outline: none; border-color: #fff; background: rgba(255,255,255,.07); }
.signup__form .btn { height: 52px; }
.signup__msg { flex-basis: 100%; min-height: 1.6em; font-size: 14px; color: var(--muted-light); padding-left: 22px; }
.signup__msg.is-ok { color: var(--signal); }
.signup__msg.is-err { color: #ff9b8f; }
@media (max-width: 860px) { .signup__inner { grid-template-columns: 1fr; align-items: start; } }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #fff; border-top: 1px solid var(--line-dark); }
.footer__inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  padding-top: 64px; padding-bottom: 56px;
}
.footer .brand__mark { width: 30px; height: 34px; }
.footer__brand p { margin-top: 22px; color: var(--muted-light); font-size: 15px; }
.footer__col { display: flex; flex-direction: column; gap: 10px; font-size: 15px; }
.footer__col .label { color: rgba(255,255,255,.45); margin-bottom: 6px; }
.footer__col a { color: var(--muted-light); transition: color .2s; }
.footer__col a:hover { color: #fff; }
.footer__base {
  display: flex; justify-content: space-between; gap: 16px;
  padding-top: 22px; padding-bottom: 28px;
  border-top: 1px solid var(--line-dark);
  font-size: 13px; color: rgba(255,255,255,.45);
}
@media (max-width: 760px) {
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Legal pages ---------- */
.nav--solid { background: var(--ink); border-color: var(--line-dark); }
.legal { padding: 136px 0 clamp(80px, 10vw, 120px); }
.legal__head { max-width: 760px; padding-bottom: 40px; margin-bottom: 48px; border-bottom: 1px solid var(--line); }
.legal__head h1 { font-size: clamp(40px, 5.4vw, 64px); margin: 16px 0 14px; }
.legal__meta { color: var(--muted); font-size: 15px; }
.legal__layout { display: grid; grid-template-columns: 220px minmax(0, 720px); gap: clamp(40px, 6vw, 96px); align-items: start; }

.toc { position: sticky; top: 104px; font-size: 14px; }
.toc ol { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 2px; }
.toc a { display: block; padding: 5px 0 5px 12px; color: var(--muted); border-left: 1px solid var(--line); transition: color .2s, border-color .2s; }
.toc a:hover, .toc a.is-active { color: var(--ink); border-color: var(--ink); }

.prose { font-size: 17px; line-height: 1.7; }
.prose .intro { font-size: 19px; color: var(--ink); margin-bottom: 8px; }
.prose section { padding-top: 40px; }
.prose h2 { font-size: 26px; margin-bottom: 16px; }
.prose h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; margin: 26px 0 8px; }
.prose p { color: #3c414c; margin-bottom: 14px; }
.prose ul, .prose ol { color: #3c414c; padding-left: 22px; margin: 0 0 16px; }
.prose li { margin-bottom: 8px; padding-left: 4px; }
.prose a { text-decoration: underline; text-decoration-color: #b9bcc4; text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: var(--ink); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose address { font-style: normal; color: #3c414c; }

.table-wrap { overflow-x: auto; margin: 8px 0 20px; border: 1px solid var(--line); border-radius: 12px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.prose th { font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); background: var(--paper-2); }
.prose tr:last-child td { border-bottom: 0; }

.callout { margin-top: 40px; padding: 32px 32px 18px !important; background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); }

/* Fill-in placeholders — remove every one before publishing */
mark.todo { background: #fff1b8; color: #6b4e00; padding: 1px 5px; border-radius: 4px; font-weight: 500; }

@media (max-width: 900px) {
  .legal__layout { grid-template-columns: 1fr; }
  .toc { display: none; }
  .callout { padding: 24px 20px 10px !important; }
}