/* ============================================================
   8bitTrading — landing (dark precision)
   near-black canvas · Space Mono · one green accent · quiet motion
   ============================================================ */

@font-face {
  font-family: 'Space Mono';
  src: url('public/vendor/fonts/space-mono-400.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Space Mono';
  src: url('public/vendor/fonts/space-mono-700.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}

:root {
  --bg: #0a0a0b;
  --bg-raise: #0f0f11;
  --text: #ececf1;
  --muted: #85858e;
  --faint: #55555c;
  --accent: #3dd68c;
  --hairline: rgba(255, 255, 255, 0.08);
  --font-sans: 'Space Mono', ui-monospace, Menlo, monospace;
  --font-mono: 'Space Mono', ui-monospace, Menlo, monospace;
  --pad-x: 48px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(61, 214, 140, 0.25); }

/* ---------- nav ---------- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px var(--pad-x);
  z-index: 20;
  transition: background 0.4s ease, backdrop-filter 0.4s ease;
}
nav.scrolled {
  background: rgba(10, 10, 11, 0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}

/* ---------- mobile menu toggle ---------- */
.nav-toggle {
  display: none;
  position: relative;
  z-index: 2;
  background: none;
  border: 0;
  padding: 8px;
  margin: -8px;
  cursor: pointer;
  color: var(--text);
}
.nav-toggle-box { display: block; width: 22px; height: 14px; position: relative; }
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.2s ease;
}
.nav-toggle-bar { top: 6px; }
.nav-toggle-bar::before { content: ''; top: -6px; }
.nav-toggle-bar::after  { content: ''; top: 6px; }
body.nav-open .nav-toggle-bar { transform: rotate(45deg); }
body.nav-open .nav-toggle-bar::before { opacity: 0; }
body.nav-open .nav-toggle-bar::after { transform: rotate(-90deg) translateX(6px); }

.wordmark {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}
.wordmark span { color: var(--muted); font-weight: 400; }
.wordmark {
  display: inline-flex;
  align-items: center;
  /* positioned so it paints above the mobile overlay, same as .nav-toggle */
  position: relative;
  z-index: 2;
}
.wordmark .logo-mark { height: 22px; width: auto; display: block; }

.nav-links { display: flex; gap: 32px; }
.nav-links a {
  font-size: 13.5px;
  font-weight: 400;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s ease;
}
.nav-links a:hover { color: var(--text); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
}

#tape {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
}

.hero-content {
  position: relative;
  z-index: 5;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 var(--pad-x);
  max-width: 1280px;
  margin: 0 auto;
  pointer-events: none;
}
.hero-content > * { pointer-events: auto; }

.kicker {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 28px;
}
.dim { color: var(--faint); }

h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.06;
}
h1 .line { display: block; overflow: hidden; }
h1 .line > span { display: inline-block; }

.sub {
  margin-top: 26px;
  font-size: clamp(1rem, 1.25vw, 1.1rem);
  font-weight: 400;
  line-height: 1.65;
  color: var(--muted);
  max-width: 33rem;
}
.sub strong { color: var(--text); font-weight: 700; display: block; margin-top: 0.5em; }

.cta-row {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 7px;
  padding: 11px 20px;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.btn-primary { background: var(--text); color: #0c0c0d; }
.btn-primary:hover { background: #ffffff; transform: translateY(-1px); }
.btn .arrow { transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1); }
.btn-primary:hover .arrow { transform: translateX(3px); }
.btn-ghost { color: var(--muted); border: 1px solid var(--hairline); }
.btn-ghost:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.2); }

.status-line {
  position: absolute;
  left: var(--pad-x);
  bottom: 30px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--faint);
  z-index: 6;
}
.status-line .tick { color: var(--accent); }

.scroll-cue {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 36px;
  overflow: hidden;
  z-index: 6;
}
.scroll-cue::after {
  content: '';
  position: absolute;
  left: 0; top: -100%;
  width: 1px; height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.5));
  animation: cue 2.2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}
@keyframes cue {
  0%   { top: -100%; }
  55%  { top: 100%; }
  100% { top: 100%; }
}

/* ---------- features ---------- */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--pad-x) 40px;
}

.features-head {
  padding: 140px 0 40px;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 18px;
}
.features-head h2 {
  font-size: clamp(1.6rem, 2.7vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.feature {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
  padding: 88px 0;
  border-top: 1px solid var(--hairline);
}
.feature.flip .feature-text { order: 2; }
.feature.flip .feature-visual { order: 1; }

.feature-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 20px;
}
.feature h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.feature p:not(.feature-num) {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted);
  max-width: 30rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.text-link .arrow { transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1); color: var(--accent); }
.text-link:hover .arrow { transform: translateX(4px); }

/* 01 — academy module list */
.module-list { display: flex; flex-direction: column; gap: 10px; }
.module {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 14px 18px;
  background: var(--bg-raise);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.25s ease, color 0.25s ease;
}
.module:hover {
  transform: translateX(4px);
  border-color: rgba(61, 214, 140, 0.35);
  color: var(--text);
}
.module-idx { color: var(--accent); font-size: 11px; }

/* 02 — indicator grid */
.ind-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.ind-tile {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 18px 14px;
  background: var(--bg-raise);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.25s ease, color 0.25s ease;
}
.ind-tile:hover {
  transform: translateY(-3px);
  border-color: rgba(61, 214, 140, 0.35);
  color: var(--text);
}
.ind-tile.hot { color: var(--accent); border-color: rgba(61, 214, 140, 0.3); }
.ind-tile.more { color: var(--faint); }

/* 03 — community chat mock */
.chat-mock {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 26px;
  background: var(--bg-raise);
}
.chat-row { display: flex; align-items: center; gap: 14px; }
.chat-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 4px 8px;
  border-radius: 5px;
  flex: 0 0 auto;
}
.chat-tag.pre   { color: var(--muted);  background: rgba(255, 255, 255, 0.05); }
.chat-tag.lvl   { color: var(--accent); background: rgba(61, 214, 140, 0.1); }
.chat-tag.live  { color: var(--text);   background: rgba(255, 255, 255, 0.08); }
.chat-tag.recap { color: var(--muted);  background: rgba(255, 255, 255, 0.05); }
.chat-bar {
  height: 8px;
  width: var(--w, 60%);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.07);
}
.chat-bar.accent { background: rgba(61, 214, 140, 0.25); }

/* 04 — playbook steps */
.playbook-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pb-step {
  display: flex;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 16px 20px;
  background: var(--bg-raise);
  transition: border-color 0.25s ease;
}
.pb-step:hover { border-color: rgba(61, 214, 140, 0.35); }
.pb-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  width: 22px;
  height: 22px;
  border: 1px solid rgba(61, 214, 140, 0.35);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.pb-label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* footer lives in footer.css — shared with every academy page */

/* ---------- reveal (JS adds .in) ---------- */
.reveal { opacity: 0; transform: translateY(24px); }
.reveal.in {
  opacity: 1;
  transform: none;
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  :root { --pad-x: 24px; }
  .nav-links { gap: 18px; }
  .nav-links a { font-size: 12.5px; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    /* long-hand rather than `inset: 0` — older WebKit ignores the shorthand
       and falls back to the static position, which put the panel in the bar */
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 60;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    background: var(--bg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
  }
  .nav-links a { font-size: 20px; letter-spacing: 0.02em; color: var(--text); }
  body.nav-open .nav-links { opacity: 1; visibility: visible; }
  body.nav-open { overflow: hidden; }
  /* nav.scrolled's backdrop-filter makes the bar a containing block for its
     position:fixed children, which traps the overlay inside the ~70px bar and
     pushes the centred links off the top of the screen. Drop the filter while
     the menu is open — the opaque overlay is what you see anyway. */
  body.nav-open nav {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom-color: transparent;
    transition: none;
    /* the bar outranks the reparented panel so the logo and the close
       button stay visible on top of it */
    z-index: 70;
  }
  /* while open the panel is reparented to <body> (see nav.js) so no ancestor
     filter or transform can capture it; it still needs to clear the bar */
  body.nav-open > .nav-links { z-index: 60; }
}

@media (max-width: 860px) {
  .feature {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 64px 0;
  }
  .feature.flip .feature-text { order: 1; }
  .feature.flip .feature-visual { order: 2; }
  .features-head { padding: 96px 0 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scroll-cue::after { animation: none; }
  .reveal { opacity: 1; transform: none; }
  #tape { opacity: 1; }
}