@font-face { font-family: "Inter"; src: url("/fonts/inter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "JBMono"; src: url("/fonts/mono.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }

:root {
  --ink: #14213d;
  --ink-2: #2b3a5c;
  --muted: #5b6680;
  --bg: #fbfaf7;
  --bg-alt: #f2efe8;
  --card: #ffffff;
  --line: #e4e0d6;
  --accent: #f26b3a;
  --accent-ink: #b8431a;
  --accent-soft: #fde5da;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(20,33,61,.06), 0 8px 24px rgba(20,33,61,.06);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JBMono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 17px; }
img { max-width: 100%; }
a { color: var(--accent-ink); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5.2vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 750; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
.mono { font-family: var(--mono); }
.small { font-size: .88rem; color: var(--muted); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 780px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; background: var(--accent); color: #fff; font-weight: 650; text-decoration: none; padding: .85em 1.4em; border-radius: 999px; border: 2px solid var(--accent); transition: transform .15s, background .15s, box-shadow .15s; font-size: 1rem; cursor: pointer; font-family: inherit; }
.btn:hover { background: var(--accent-ink); border-color: var(--accent-ink); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(242,107,58,.3); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); border-color: var(--ink); color: #fff; box-shadow: none; }
.btn-sm { padding: .55em 1.1em; font-size: .95rem; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(251,250,247,.88); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.nav.scrolled { border-bottom-color: var(--line); }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.logo { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--ink); color: #fff; font-size: 1.6rem; font-weight: 700; line-height: 1; padding-bottom: 4px; }
.logo.xl { width: 96px; height: 96px; font-size: 3.8rem; border-radius: 24px; background: var(--accent); }
.brand-txt { display: flex; flex-direction: column; line-height: 1.1; }
.brand-txt strong { font-size: 1.2rem; letter-spacing: -0.01em; }
.brand-txt small { font-size: .78rem; color: var(--muted); }
.menu { display: flex; align-items: center; gap: 28px; }
.menu a:not(.btn) { color: var(--ink-2); text-decoration: none; font-weight: 550; font-size: .98rem; }
.menu a:not(.btn):hover { color: var(--accent-ink); }
.menu .btn { color: #fff; }
.menu-btn { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.menu-btn span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: transform .2s, opacity .2s; }

/* Hero */
.hero { padding: 56px 0 72px; overflow: hidden; }
.hero-in { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 700; color: var(--accent-ink); margin-bottom: .8em; }
.hl { color: var(--accent); }
.lead { font-size: 1.2rem; color: var(--ink-2); max-width: 36em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.6em; }

.hero-art { display: flex; flex-direction: column; gap: 18px; }
.screen { background: var(--ink); border-radius: var(--radius); padding: 14px 20px 22px; box-shadow: var(--shadow); }
.screen-bar { display: flex; gap: 6px; margin-bottom: 14px; }
.screen-bar i { width: 10px; height: 10px; border-radius: 50%; background: #3b4a6b; }
.typed { color: #e9ecf4; font-size: 1.05rem; min-height: 3.3em; margin: 0; }
.caret { display: inline-block; width: .55em; height: 1.15em; background: var(--accent); vertical-align: text-bottom; margin-left: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.kb { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 6px; }
.kb .row { display: flex; gap: 6px; justify-content: center; }
.kb .row:nth-child(2) { padding-left: 14px; }
.kb .row:nth-child(3) { padding-left: 28px; }
.kb b { flex: 0 1 38px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 8px; background: var(--bg-alt); border: 1px solid var(--line); border-bottom-width: 3px; font-family: var(--mono); font-size: .8rem; font-weight: 600; color: var(--ink-2); transition: background .12s, color .12s, transform .12s; }
.kb b.home { background: #e8ecf5; }
.kb b.f { position: relative; }
.kb b.f::after { content: ""; position: absolute; bottom: 5px; width: 8px; height: 2px; border-radius: 2px; background: var(--ink-2); }
.kb b.space { flex: 0 1 240px; aspect-ratio: auto; height: 30px; }
.kb b.on { background: var(--accent); color: #fff; border-color: var(--accent-ink); transform: translateY(1px); }

/* Legacy band */
.legacy { background: var(--ink); color: #e9ecf4; }
.legacy-in { padding-top: 28px; padding-bottom: 28px; }
.legacy p { margin: 0; font-size: 1.08rem; max-width: 60em; }
.legacy strong { color: #fff; }

/* Sections */
.section { padding: 88px 0; }
.section.alt { background: var(--bg-alt); }
.sub { font-size: 1.1rem; color: var(--ink-2); max-width: 44em; margin-bottom: 2.2em; }
.grid { display: grid; gap: 20px; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.card p { color: var(--ink-2); margin: 0; }
.ico { display: inline-block; font-family: var(--mono); font-weight: 700; color: var(--accent); background: var(--accent-soft); border-radius: 8px; padding: 4px 10px; font-size: .9rem; margin-bottom: 14px; }
.course { border-top: 4px solid var(--accent); }
.tag { display: inline-block; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--muted) !important; margin-bottom: .6em !important; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.pill-card { border-radius: var(--radius); padding: 26px; background: var(--ink); color: #e9ecf4; }
.pill-card h3 { color: #fff; }
.pill-card p { margin: 0; }
.pill-card.accent { background: var(--accent); color: #fff; }
.note { margin-top: 28px; color: var(--ink-2); }
.note small { color: var(--muted); }

/* Typing tester */
.tester { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.target { font-size: 1.15rem; line-height: 1.8; background: var(--bg-alt); border-radius: 12px; padding: 18px 20px; margin-bottom: 16px; user-select: none; -webkit-user-select: none; }
.target span.ok { color: #1d7a4c; }
.target span.ko { color: #fff; background: #d64545; border-radius: 3px; }
.target span.cur { box-shadow: inset 0 -3px 0 var(--accent); }
.tester textarea { width: 100%; font-size: 1.05rem; padding: 14px 16px; border: 2px solid var(--line); border-radius: 12px; resize: vertical; background: #fff; color: var(--ink); }
.tester textarea:focus { outline: none; border-color: var(--accent); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 18px 0 10px; text-align: center; }
.stats div { background: var(--bg-alt); border-radius: 12px; padding: 12px 8px; }
.stats strong { display: block; font-size: 1.7rem; font-family: var(--mono); line-height: 1.2; }
.stats span { font-size: .82rem; color: var(--muted); }
.verdict { min-height: 1.6em; font-weight: 600; color: var(--ink-2); }

/* Contact */
.contact-in { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: center; }
.info { list-style: none; padding: 0; margin: 0 0 8px; display: grid; gap: 18px; }
.info li { display: grid; grid-template-columns: 110px 1fr; gap: 12px; align-items: baseline; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
.info .k { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; color: var(--muted); }
.info .v { font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.info .v.big { font-size: 1.6rem; font-weight: 750; font-family: var(--mono); }
.contact-card { background: var(--ink); color: #e9ecf4; border-radius: 24px; padding: 40px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 12px; box-shadow: var(--shadow); }
.contact-card .mono { font-size: 1.4rem; letter-spacing: .2em; margin: 8px 0 0; color: #fff; }
.contact-card .small { color: #aab3c8; margin: 0; }

/* Footer */
.foot { background: #0e1830; color: #aab3c8; padding: 36px 0; font-size: .95rem; }
.foot-in { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: flex-end; }
.foot p { margin: 0; }
.foot strong { color: #fff; }
.foot a { color: #fff; }
.foot .small { color: #7f8aa3; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 960px) {
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: 1fr; }
  .hero-in, .contact-in { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding-top: 32px; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .menu-btn { display: block; }
  .menu { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px 20px; display: none; }
  .menu.open { display: flex; }
  .menu a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .menu .btn { margin-top: 14px; }
  .menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .g4, .split { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .kb { padding: 10px; gap: 4px; }
  .kb .row { gap: 4px; }
  .kb .row:nth-child(2) { padding-left: 8px; }
  .kb .row:nth-child(3) { padding-left: 16px; }
  .kb b { border-radius: 6px; font-size: .68rem; }
  .tester { padding: 18px; }
  .target { font-size: 1rem; padding: 14px; }
  .stats strong { font-size: 1.35rem; }
  .info li { grid-template-columns: 1fr; gap: 2px; }
  .brand-txt small { font-size: .72rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .caret { animation: none; }
}