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

:root {
  --bg: #0a0a08;
  --bg-2: #111110;
  --bg-3: #1a1a17;
  --border: rgba(255,255,255,0.08);
  --border-mid: rgba(255,255,255,0.14);
  --text: #e8e6df;
  --text-muted: #7a7870;
  --text-dim: #4a4844;
  --accent-blue: #5b8fd4;
  --accent-blue-dim: rgba(91,143,212,0.12);
  --accent-green: #4ca87a;
  --accent-green-dim: rgba(76,168,122,0.12);
  --accent-amber: #c9852a;
  --accent-amber-dim: rgba(201,133,42,0.12);
  --accent-red: #c05050;
  --accent-red-dim: rgba(192,80,80,0.12);
  --font-display: 'Fraunces', Georgia, serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  min-height: 100vh;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 52px;
  background: rgba(10,10,8,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 400;
  font-style: italic;
  color: var(--text);
  letter-spacing: -.01em;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  overflow-x: auto;
  padding: 0 0.5rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .2s;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

/* SECTION HEADER */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2rem;
}

.section-num { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); }
.section-title { font-family: var(--font-display); font-size: 22px; font-weight: 300; font-style: italic; color: var(--text); letter-spacing: -.01em; }

/* BADGES */
.badge-blue { background: var(--accent-blue-dim); color: var(--accent-blue); border: 1px solid rgba(91,143,212,0.2); }
.badge-green { background: var(--accent-green-dim); color: var(--accent-green); border: 1px solid rgba(76,168,122,0.2); }
.badge-amber { background: var(--accent-amber-dim); color: var(--accent-amber); border: 1px solid rgba(201,133,42,0.2); }
.badge-red { background: var(--accent-red-dim); color: var(--accent-red); border: 1px solid rgba(192,80,80,0.2); }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
}

footer span { font-size: 11px; color: var(--text-dim); }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* PAGE HERO (phase pages) */
.page-hero {
  padding: 120px 2rem 60px;
  max-width: 960px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.page-hero-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px,6vw,68px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -.03em;
  color: var(--text);
  margin-bottom: 1rem;
}

.page-hero-sub {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.75;
}

/* CONTENT SECTION */
.content-section {
  max-width: 960px;
  margin: 0 auto;
  padding: 3rem 2rem;
  border-bottom: 1px solid var(--border);
}

.content-section:last-of-type { border-bottom: none; }

/* TRACK BLOCK */
.track-block {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 4px;
  background: var(--bg-2);
}

.track-block-header {
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: background .2s;
  user-select: none;
  border-bottom: 1px solid transparent;
}

.track-block-header:hover { background: var(--bg-3); }
.track-block.open .track-block-header { border-bottom-color: var(--border); }

.track-block-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  flex: 1;
}

.track-block-count {
  font-size: 11px;
  color: var(--text-dim);
}

.track-block-chevron {
  font-size: 9px;
  color: var(--text-dim);
  transition: transform .3s;
}

.track-block.open .track-block-chevron { transform: rotate(180deg); }

.track-block-body {
  display: none;
  padding: 1.25rem;
  display: none;
}

.track-block.open .track-block-body { display: block; }

/* ITEMS */
.item-list { list-style: none; }

.item { display: flex; align-items: baseline; gap: .75rem; padding: .5rem 0; border-bottom: 1px solid var(--border); }
.item:last-child { border-bottom: none; }

.item-bullet { width: 4px; height: 4px; border-radius: 50%; background: var(--text-dim); flex-shrink: 0; margin-top: 7px; }
.item-text { font-size: 12px; color: var(--text-muted); line-height: 1.55; flex: 1; }
.item-text strong { font-weight: 500; color: var(--text); display: block; }
.item-text .sub { font-size: 11px; color: var(--text-dim); }

/* WHY BOX */
.why-box {
  margin-top: 1rem;
  padding: .75rem 1rem;
  background: rgba(255,255,255,.02);
  border: 1px solid var(--border);
  border-radius: 2px;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.65;
  font-style: italic;
}

.why-box::before {
  content: 'why this matters — ';
  color: var(--text-dim);
  font-style: normal;
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

/* RESOURCES ROW */
.resources-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
  flex-wrap: wrap;
}

.resources-label { font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); white-space: nowrap; padding-top: 4px; min-width: 70px; }

.pill-group { display: flex; flex-wrap: wrap; gap: 5px; }

.pill {
  font-size: 11px;
  padding: 3px 10px;
  border: 1px solid var(--border-mid);
  border-radius: 2px;
  color: var(--text-muted);
  background: transparent;
  text-decoration: none;
  transition: all .15s;
  display: inline-block;
}

.pill:hover { border-color: rgba(255,255,255,.2); color: var(--text); background: rgba(255,255,255,.03); }

/* MILESTONE */
.milestone {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-2);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.milestone-badge { padding: 4px 10px; border-radius: 2px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.milestone-text { font-size: 13px; color: var(--text-muted); line-height: 1.65; padding-top: 3px; }
.milestone-text strong { color: var(--text); font-weight: 500; }

/* PROB BLOCK */
.prob-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .75rem 0;
  border-bottom: 1px solid var(--border);
}
.prob-row:last-child { border-bottom: none; }
.prob-label { font-size: 12px; color: var(--text-muted); flex: 1; }
.prob-bar-wrap { width: 160px; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; flex-shrink: 0; }
.prob-bar { height: 100%; border-radius: 2px; background: var(--accent-green); }
.prob-pct { font-size: 12px; color: var(--accent-green); min-width: 44px; text-align: right; }

/* NAV BETWEEN PAGES */
.page-nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 12px;
  border: 1px solid var(--border);
  padding: .6rem 1rem;
  border-radius: 2px;
  transition: all .15s;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.page-nav-link:hover { border-color: var(--border-mid); color: var(--text); background: var(--bg-2); }
.page-nav-link span { font-size: 10px; color: var(--text-dim); display: block; }