/* Reality ASM public site. Two brand colours: ink navy and ember orange. */
@font-face { font-family: "Plex"; src: url("fonts/IBMPlexSans-VF.woff2") format("woff2"); font-weight: 100 700; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/IBMPlexMono-Regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/IBMPlexMono-Medium.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --ink: #0B1526;
  --ink-2: #16233A;
  --ink-3: #24334F;
  --ember: #FF5B2E;
  --ember-dark: #E4481D;
  --paper: #FFFFFF;
  --paper-2: #F5F6F8;
  --line: #E2E5EB;
  --text: #0B1526;
  --muted: #566074;
  --faint: #8A93A3;
  --on-ink: #E9EDF4;
  --on-ink-muted: #9AA6BA;
  --ok: #1E9E6A;
  --bad: #D2402A;
  --radius: 10px;
  --wrap: 1160px;
  font-family: "Plex", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--paper);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }
a { color: inherit; }
.mono { font-family: "Plex Mono", ui-monospace, monospace; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.nav .wrap { height: 64px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 650; font-size: 18px; letter-spacing: -.01em; }
.brand img { height: 30px; width: auto; }
.brand b { color: var(--ember); font-weight: 650; }
.nav-links { display: flex; gap: 22px; margin-left: 8px; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 15px; }
.nav-links a:hover { color: var(--text); }
.nav .grow { flex: 1; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 42px; padding: 0 18px; border-radius: 8px;
  font: inherit; font-size: 15px; font-weight: 550; text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: background .15s, border-color .15s; }
.btn-primary { background: var(--ember); color: #fff; }
.btn-primary:hover { background: var(--ember-dark); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--text); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--ink-3); }
.btn[disabled] { opacity: .55; cursor: default; }
.link { color: var(--ember-dark); text-decoration: none; font-weight: 550; }
.link:hover { text-decoration: underline; }

/* hero */
.hero { padding: 72px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.02fr 1fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 550; color: var(--ember-dark); text-transform: uppercase; letter-spacing: .08em; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ember); }
h1 { font-size: clamp(36px, 5vw, 56px); line-height: 1.06; letter-spacing: -.025em; margin: 14px 0 18px; font-weight: 650; }
.lede { font-size: 19px; color: var(--muted); max-width: 540px; margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-size: 14px; color: var(--faint); }
.shot { border-radius: 12px; overflow: hidden; background: var(--ink); box-shadow: 0 30px 60px -30px rgba(11,21,38,.45), 0 0 0 1px rgba(11,21,38,.06); }
.shot img { width: 100%; }
.shot-caption { font-size: 13px; color: var(--faint); margin-top: 10px; }

/* facts strip */
.facts { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper-2); }
.facts .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.fact { padding: 26px 20px; border-left: 1px solid var(--line); }
.fact:first-child { border-left: 0; padding-left: 0; }
.fact b { display: block; font-size: 30px; font-weight: 600; letter-spacing: -.02em; }
.fact span { color: var(--muted); font-size: 14px; }

/* sections */
section { padding: 88px 0; }
h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.12; letter-spacing: -.02em; margin: 10px 0 14px; font-weight: 650; }
.sub { color: var(--muted); font-size: 18px; max-width: 640px; margin: 0; }
.feature { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; margin-top: 72px; }
.feature.flip { grid-template-columns: 1.15fr 1fr; }
.feature.flip .feature-text { order: 2; }
.feature h3 { font-size: 26px; letter-spacing: -.015em; margin: 8px 0 12px; font-weight: 650; }
.feature p { color: var(--muted); margin: 0 0 14px; }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.ticks li { padding-left: 26px; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 9px; width: 12px; height: 7px; border-left: 2px solid var(--ember); border-bottom: 2px solid var(--ember); transform: rotate(-45deg); }
.tag { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }

/* dark band */
.band { background: var(--ink); color: var(--on-ink); }
.band .sub { color: var(--on-ink-muted); }
.proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.proof div { border: 1px solid var(--ink-3); border-radius: var(--radius); padding: 22px; background: var(--ink-2); }
.proof b { font-family: "Plex Mono", monospace; font-weight: 500; color: #fff; font-size: 22px; display: block; margin-bottom: 6px; }
.proof span { color: var(--on-ink-muted); font-size: 15px; }
.grid-shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 44px; }
.grid-shots figure { margin: 0; }
.grid-shots img { border-radius: 8px; aspect-ratio: 16/10; object-fit: cover; width: 100%; box-shadow: 0 0 0 1px var(--line); }
.grid-shots figcaption { font-size: 14px; color: var(--muted); margin-top: 8px; }

.beta { text-align: center; }
.beta .sub { margin: 0 auto 26px; }

/* footer */
footer { border-top: 1px solid var(--line); padding: 36px 0 44px; font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 18px 32px; align-items: center; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { text-decoration: none; }
footer a:hover { color: var(--text); }
footer .grow { flex: 1; }

/* auth pages */
.auth { min-height: 100vh; display: grid; grid-template-columns: minmax(360px, 520px) 1fr; }
.auth-form { padding: 40px 56px; display: flex; flex-direction: column; }
.auth-form .brand { margin-bottom: auto; }
.auth-box { width: 100%; max-width: 380px; margin: 48px 0 auto; }
.auth-box h1 { font-size: 32px; margin: 0 0 6px; }
.auth-box > p { color: var(--muted); margin: 0 0 28px; }
.field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: 14px; font-weight: 550; margin-bottom: 6px; }
.field input { width: 100%; height: 44px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--line); font: inherit; background: #fff; color: var(--text); }
.field input:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(255,91,46,.18); }
.field small { color: var(--faint); font-size: 13px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); margin: 6px 0 20px; }
.check input { margin-top: 4px; accent-color: var(--ember); }
.auth-box .btn { width: 100%; height: 46px; }
.alt { margin-top: 22px; font-size: 15px; color: var(--muted); }
.divider { display: flex; align-items: center; gap: 12px; color: var(--faint); font-size: 13px; margin: 18px 0; }
.divider::before, .divider::after { content: ""; height: 1px; background: var(--line); flex: 1; }
.msg { border-radius: 8px; padding: 10px 12px; font-size: 14px; margin-bottom: 16px; display: none; }
.msg.show { display: block; }
.msg.error { background: #FDECE8; color: #9B2A15; }
.msg.info { background: #EEF3FA; color: #1F3A63; }
.auth-art { background: var(--ink) url("img/ss_saturn.jpg") center/cover; position: relative; color: #fff; display: flex; align-items: flex-end; }
.auth-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,21,38,.1) 30%, rgba(11,21,38,.92)); }
.auth-art blockquote { position: relative; z-index: 1; margin: 0; padding: 48px; max-width: 560px; font-size: 20px; line-height: 1.45; }
.auth-art cite { display: block; margin-top: 12px; font-size: 14px; font-style: normal; color: var(--on-ink-muted); }
.auth-foot { font-size: 13px; color: var(--faint); margin-top: 32px; }
.auth-foot a { color: var(--muted); }

/* legal */
.legal { padding: 56px 0 80px; }
.legal .wrap { max-width: 780px; }
.legal h1 { font-size: 40px; margin-bottom: 6px; }
.legal .updated { color: var(--faint); font-size: 14px; margin-bottom: 36px; }
.legal h2 { font-size: 22px; margin: 36px 0 10px; }
.legal p, .legal li { color: #2B3446; }
.legal ul { padding-left: 22px; }
.legal table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0; }
.legal th, .legal td { text-align: left; border-bottom: 1px solid var(--line); padding: 10px 8px; vertical-align: top; }
.legal th { font-weight: 600; }
.legal .note { background: var(--paper-2); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; font-size: 15px; }

/* cookie notice */
.cookie { position: fixed; right: 20px; bottom: 20px; z-index: 50; max-width: 420px; background: var(--ink); color: var(--on-ink); border-radius: 10px;
  padding: 16px 18px; font-size: 14px; box-shadow: 0 12px 30px rgba(0,0,0,.25); display: none; }
.cookie.show { display: block; }
.cookie p { margin: 0 0 12px; }
.cookie a { color: #fff; }
.cookie .row { display: flex; gap: 10px; }
.cookie .btn { height: 34px; font-size: 14px; }

.nf { min-height: 70vh; display: grid; place-items: center; text-align: center; }

@media (max-width: 920px) {
  .hero .wrap, .feature, .feature.flip { grid-template-columns: 1fr; gap: 28px; }
  .feature.flip .feature-text { order: 0; }
  .facts .wrap { grid-template-columns: repeat(2, 1fr); }
  .fact:nth-child(3) { border-left: 0; padding-left: 0; }
  .proof, .grid-shots { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .auth { grid-template-columns: 1fr; }
  .auth-art { display: none; }
  .auth-form { padding: 28px 22px; }
  section { padding: 64px 0; }
}

/* ASM Teach sign-in */
.choice-grid { display: grid; gap: 14px; }
.choice { display: flex; flex-direction: column; gap: 4px; padding: 18px 20px; border: 1px solid var(--line); border-left: 4px solid var(--ember);
  border-radius: 10px; text-decoration: none; color: var(--text); background: #fff; transition: border-color .15s, transform .15s; }
.choice b { font-size: 18px; }
.choice span { color: var(--muted); font-size: 14px; }
a.choice:hover { border-color: var(--ink); border-left-color: var(--ember); transform: translateY(-1px); }
.choice.off { border-left-color: var(--line); opacity: .7; cursor: default; }
.back { margin: 0 0 18px; }
.check.terms a { font-size: 14px; }
.teach-art { background: linear-gradient(160deg, #0B1526 0%, #12243f 60%, #1d3a2f 100%); }
@media (max-width: 860px) { .auth.teach-auth { grid-template-columns: 1fr; } .teach-auth .auth-art { display: none; } .auth-form { padding: 28px 20px; } }

/* the two doors on the landing page: ASM and ASM Teach */
.doors { padding: 8px 0 48px; }
.doors .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.door { display: flex; flex-direction: column; gap: 8px; padding: 26px 28px; border-radius: 14px; text-decoration: none; color: var(--text);
  border: 1px solid var(--line); border-top: 4px solid var(--ink); background: #fff; transition: transform .15s, box-shadow .15s; }
.door:hover { transform: translateY(-2px); box-shadow: 0 18px 36px -24px rgba(11,21,38,.45); }
.door b { font-size: 26px; letter-spacing: -.01em; }
.door > span:not(.tag):not(.door-go) { color: var(--muted); }
.door-go { margin-top: 6px; font-weight: 600; color: var(--ember-dark); }
.door.teach { background: var(--ink); color: #fff; border-color: var(--ink); border-top-color: var(--ember); }
.door.teach > span:not(.tag):not(.door-go) { color: var(--on-ink-muted); }
.door.teach .tag { color: #FF8A63; }
.door.teach .door-go { color: #FF8A63; }
@media (max-width: 760px) { .doors .wrap { grid-template-columns: 1fr; } }