:root {
  --bg: #0c0c0f;
  --surface: #151519;
  --surface2: #1c1c22;
  --border: #262630;
  --border-hover: #3a3a4a;
  --orange: #f5a623;
  --orange-hover: #fbb63d;
  --orange-dim: rgba(245,166,35,0.08);
  --orange-glow: rgba(245,166,35,0.18);
  --orange-border: rgba(245,166,35,0.30);
  --text: #eaeaf0;
  --muted: #a0a0b4;
  --muted2: #6e6e84;
  --green: #4ade80;
  --green-dim: rgba(74,222,128,0.10);
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-pill: 100px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 1200px;
  height: 800px;
  background: radial-gradient(ellipse, rgba(245,166,35,0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 100px;
  position: relative;
  z-index: 1;
}

/* ── Top bar ── */
.topbar {
  padding: 28px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}

.restart-btn {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s;
}
.restart-btn:hover { border-color: var(--orange); color: var(--orange); }
.restart-btn.visible { display: block; }

/* ── Progress ── */
.progress-wrap {
  margin-top: 36px;
  display: none;
}
.progress-wrap.visible { display: block; }

.progress-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.progress-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted2);
  transition: color 0.3s;
}
.progress-label.active { color: var(--orange); }
.progress-label.done { color: var(--muted); }

.progress-track {
  height: 3px;
  background: var(--border);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--orange);
  border-radius: var(--radius-pill);
  transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
  width: 0%;
}

/* ── Screens ── */
.screen {
  display: none;
  animation: fadeUp 0.45s ease both;
}
.screen.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Hero (screen 0) ── */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--orange);
  border: 1px solid var(--orange-border);
  background: var(--orange-dim);
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  margin-bottom: 28px;
}

h1 {
  font-family: var(--font);
  font-weight: 800;
  font-size: clamp(48px, 8vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}

h1 .accent { color: var(--orange); }

.hero-sub {
  margin-top: 24px;
  font-size: 17px;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.7;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.start-btn {
  margin-top: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--orange);
  color: var(--bg);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s;
}
.start-btn:hover { background: var(--orange-hover); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(245,166,35,0.25); }

/* ── Step header ── */
.step-header {
  padding: 52px 0 36px;
}

.step-number {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
}

.step-q {
  font-family: var(--font);
  font-weight: 800;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.step-hint {
  margin-top: 12px;
  font-size: 15px;
  font-weight: 400;
  color: var(--muted);
}

/* ── Option cards ── */
.options-grid {
  display: grid;
  gap: 12px;
}
.options-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.options-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.opt-card {
  padding: 22px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.opt-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--orange-dim);
  opacity: 0;
  transition: opacity 0.2s;
}

.opt-card:hover { border-color: var(--border-hover); }
.opt-card:hover::before { opacity: 1; }

.opt-card.selected {
  border-color: var(--orange);
  background: var(--surface);
}
.opt-card.selected::before { opacity: 1; }

.opt-icon {
  font-size: 28px;
  margin-bottom: 10px;
  display: block;
  position: relative;
  z-index: 1;
}

.opt-cat {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--surface2);
  color: var(--muted);
  border: 1px solid var(--border);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.opt-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}

.opt-desc {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

.opt-check {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--bg);
  opacity: 0;
  transform: scale(0.6);
  transition: all 0.2s cubic-bezier(0.34,1.56,0.64,1);
  z-index: 2;
}
.opt-card.selected .opt-check { opacity: 1; transform: scale(1); }

/* Version pills (step 3 for upgraders) */
.version-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.vpill {
  padding: 10px 22px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}
.vpill:hover { border-color: var(--orange); color: var(--orange); }
.vpill.selected { border-color: var(--orange); color: var(--orange); background: var(--orange-dim); }

/* ── Nav buttons ── */
.step-nav {
  margin-top: 36px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn-next {
  padding: 14px 32px;
  background: var(--orange);
  color: var(--bg);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s;
  opacity: 0.4;
  pointer-events: none;
}
.btn-next.enabled { opacity: 1; pointer-events: all; }
.btn-next.enabled:hover { background: var(--orange-hover); transform: translateY(-1px); }

.btn-back {
  padding: 14px 22px;
  background: var(--surface);
  color: var(--muted);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-back:hover { color: var(--text); border-color: var(--border-hover); }

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--surface);
  color: var(--muted);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s;
}
.download-btn:hover { color: var(--text); border-color: var(--border-hover); }

.result-actions {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

.skip-link {
  margin-left: auto;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.skip-link:hover { color: var(--text); }

/* ── Results ── */
.result-header {
  padding: 52px 0 0;
}

.path-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-dim);
  border: 1px solid rgba(74,222,128,0.25);
  color: var(--green);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.path-badge::before { content: '●'; font-size: 8px; }

.path-title {
  font-family: var(--font);
  font-weight: 800;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.path-title .accent { color: var(--orange); }

.path-summary {
  margin-top: 20px;
  font-size: 16px;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.7;
  max-width: 620px;
  border-left: 3px solid var(--border);
  padding-left: 18px;
}

/* Version alert */
.version-alert {
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--orange-dim);
  border: 1px solid var(--orange-border);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  display: none;
}
.version-alert.show { display: block; }
.version-alert strong { color: var(--orange); }

/* Course steps */
.path-courses {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.path-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0;
  animation: fadeUp 0.4s ease both;
}

/* Connector line */
.step-spine {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.step-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface2);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 700;
  font-size: 14px;
  color: var(--muted);
  flex-shrink: 0;
  transition: all 0.2s;
  margin-top: 20px;
}

.path-step:first-child .step-dot {
  background: var(--orange-dim);
  border-color: var(--orange);
  color: var(--orange);
}

.step-line {
  width: 2px;
  flex: 1;
  background: var(--border);
  margin: 4px 0;
  min-height: 20px;
}

.path-step:last-child .step-line { display: none; }

/* Course card */
.course-card {
  margin: 12px 0 16px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  transition: all 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
  position: relative;
  overflow: hidden;
}

.course-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--orange);
  opacity: 0;
  transition: opacity 0.2s;
}

.course-card:hover {
  border-color: rgba(245,166,35,0.35);
  transform: translateX(4px);
}
.course-card:hover::before { opacity: 1; }

.course-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.cat-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--surface2);
  color: var(--muted);
  border: 1px solid var(--border);
}

.cat-tag.highlight {
  background: var(--orange-dim);
  color: var(--orange);
  border-color: var(--orange-border);
}

.version-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(124,106,247,0.10);
  color: #a89cf7;
  border: 1px solid rgba(124,106,247,0.25);
}

.course-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.3;
}

.course-desc {
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-why {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--orange);
  font-style: italic;
  font-weight: 400;
  line-height: 1.5;
}

.course-link-hint {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted2);
  font-size: 18px;
  transition: all 0.2s;
}
.course-card:hover .course-link-hint { color: var(--orange); transform: translateY(-50%) translate(2px, -2px); }

/* Secondary suggestion */
.secondary-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.secondary-title {
  font-family: var(--font);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--muted);
  margin-bottom: 16px;
}

.also-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}

.also-card {
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

.also-card:hover { border-color: var(--border-hover); transform: translateY(-1px); }

.also-name { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.3; }
.also-cats { font-size: 12px; font-weight: 400; color: var(--muted); margin-top: 4px; }

/* Responsive */
@media (max-width: 600px) {
  .options-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .options-grid.cols-2 { grid-template-columns: 1fr; }
  .path-step { grid-template-columns: 44px 1fr; }
}