/* =====================
   SKILLFORGE THEME
   Dark, creative, amber-on-midnight
   ===================== */

:root {
  --bg: #0D0F1A;
  --bg-alt: #13151F;
  --bg-card: #181B26;
  --accent: #F5A623;
  --accent-dim: #C4831C;
  --text: #EDE8DF;
  --text-muted: #8B8A86;
  --border: #252836;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- NAV ---- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,15,26,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.nav-tagline {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-cta {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid var(--accent-dim);
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}
.nav-cta:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ---- HERO ---- */
.hero {
  padding: 80px 24px 90px;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(245,166,35,0.06) 0%, transparent 70%),
    var(--bg);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text {}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
  font-family: var(--font-head);
  font-weight: 600;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}
.hero-headline em {
  font-style: normal;
  color: var(--accent);
}
.hero-lede {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.stat {}
.stat-value {
  display: block;
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}
.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ---- WORKSPACE CARD ---- */
.workspace-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.workspace-header {
  background: var(--bg-alt);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}
.ws-dots {
  display: flex;
  gap: 6px;
}
.ws-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}
.ws-dots span:nth-child(1) { background: #FF5F57; }
.ws-dots span:nth-child(2) { background: #FFBD2E; }
.ws-dots span:nth-child(3) { background: #28CA41; }
.ws-title {
  font-family: var(--font-head);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}
.ws-body { padding: 18px 20px 20px; }
.ws-task {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
}
.ws-task:last-of-type { border-bottom: none; }
.ws-tag {
  background: rgba(245,166,35,0.15);
  color: var(--accent);
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.ws-text { color: var(--text-muted); line-height: 1.4; }
.ws-status {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.ws-status.done { background: rgba(40,202,65,0.12); color: #28CA41; }
.ws-status.active { background: rgba(245,166,35,0.15); color: var(--accent); }
.ws-status { background: var(--bg-alt); color: var(--text-muted); }
.ws-progress {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin: 16px 0 8px;
  overflow: hidden;
}
.ws-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  border-radius: 2px;
  transition: width 0.4s ease;
}
.ws-eta {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-head);
}

/* ---- SHARED SECTION STYLES ---- */
.section-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-headline {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 48px;
}

/* ---- COURSEWORK / WORKFLOW ---- */
.coursework {
  padding: 90px 24px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.coursework > * { max-width: 1100px; margin: 0 auto; }
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.workflow-card {
  background: var(--bg-card);
  padding: 28px 24px;
}
.wfc-num {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.workflow-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.workflow-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---- MANIFESTO ---- */
.manifesto {
  padding: 100px 24px;
  background:
    radial-gradient(ellipse 50% 60% at 10% 50%, rgba(245,166,35,0.04) 0%, transparent 60%),
    var(--bg);
}
.manifesto-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.manifesto-quote {
  border-left: 2px solid var(--accent);
  padding-left: 28px;
}
.manifesto-quote p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 12px;
}
.manifesto-statement h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 18px;
}
.manifesto-statement p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---- CATALOG ---- */
.catalog {
  padding: 90px 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.catalog > * { max-width: 1100px; margin: 0 auto; }
.catalog-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.catalog-headline {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 48px;
}
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.catalog-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: border-color 0.2s;
}
.catalog-card:hover { border-color: var(--accent-dim); }
.catalog-engine {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.engine-icon {
  font-family: var(--font-head);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-transform: uppercase;
  padding: 0 2px;
}
.catalog-info { flex: 1; min-width: 0; }
.catalog-info h3 {
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.catalog-meta { display: flex; align-items: center; gap: 8px; }
.catalog-lessons {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.catalog-status {
  font-family: var(--font-head);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 4px;
}
.catalog-status.complete {
  background: rgba(40,202,65,0.12);
  color: #28CA41;
}
.catalog-status.in-progress {
  background: rgba(245,166,35,0.12);
  color: var(--accent);
}
.catalog-empty {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ---- CURRICULUM ---- */
.curriculum {
  padding: 90px 24px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.curriculum > * { max-width: 1100px; margin: 0 auto; }
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  transition: border-color 0.2s;
}
.course-card:hover { border-color: var(--accent-dim); }
.course-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.course-format, .course-level {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
}
.course-format { background: var(--bg-alt); color: var(--text-muted); }
.course-level { background: rgba(245,166,35,0.12); color: var(--accent); }
.course-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}
.course-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}
.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.course-tags span {
  font-size: 0.68rem;
  color: var(--text-muted);
  background: var(--bg-alt);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* ---- DIFFERENCE ---- */
.difference {
  padding: 90px 24px;
  border-top: 1px solid var(--border);
}
.diff-header { max-width: 1100px; margin: 0 auto 48px; }
.diff-header > * { max-width: none; }
.diff-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 40px;
}
.diff-col { background: var(--bg-card); padding: 36px 32px; }
.diff-col h4 {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.diff-col.human h4 { color: var(--text-muted); }
.diff-col.agent h4 { color: var(--accent); }
.diff-col ul { list-style: none; }
.diff-col ul li {
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.4;
  position: relative;
  padding-left: 20px;
}
.diff-col ul li:last-child { border-bottom: none; }
.diff-col ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent-dim);
  font-size: 0.75rem;
}
.diff-verdict {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}
.diff-verdict p {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* ---- CLOSING ---- */
.closing {
  padding: 100px 24px;
  background:
    radial-gradient(ellipse 80% 40% at 50% 100%, rgba(245,166,35,0.07) 0%, transparent 70%),
    var(--bg);
  border-top: 1px solid var(--border);
}
.closing-inner { max-width: 700px; margin: 0 auto; text-align: center; }
.closing-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.2);
  color: var(--accent);
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 28px;
}
.closing h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 18px;
}
.closing p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 36px 24px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
}
.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
  flex: 1;
}
.footer-sub {
  font-size: 0.75rem;
  color: var(--accent-dim);
  font-family: var(--font-head);
}

/* ---- SAMPLE LESSON ---- */
.sample-lesson {
  padding: 90px 24px;
  border-top: 1px solid var(--border);
}
.sample-lesson > * { max-width: 1100px; margin: 0 auto; }
.sample-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 40px;
  align-items: start;
}
.sample-preview {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.sample-header {
  background: var(--bg-alt);
  padding: 22px 26px;
  border-bottom: 1px solid var(--border);
}
.sp-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(245,166,35,0.12);
  padding: 3px 9px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.sp-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.3;
}
.sp-mechanic {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.sp-steps {
  padding: 0 26px 24px;
}
.sp-step {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.sp-step:last-of-type { border-bottom: none; }
.sp-step-num {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  padding-top: 3px;
}
.sp-step p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.sp-more {
  padding: 14px 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
}
.sp-cta {
  padding: 0 26px 26px;
}
.sp-cta .btn-primary {
  display: inline-block;
  width: 100%;
  text-align: center;
  padding: 12px;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}
.sample-meta {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-card);
}
.sm-item {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}
.sm-item:last-of-type { border-bottom: none; }
.sm-label {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.sm-value {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.4;
}
.sm-built {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 16px 20px;
  font-family: var(--font-head);
  font-size: 0.72rem;
  color: var(--accent-dim);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* ---- BUTTONS ---- */
.btn-primary {
  background: var(--accent);
  color: #0D0F1A;
  border-radius: 10px;
  font-weight: 700;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--accent-dim); }
.btn-ghost {
  display: inline-block;
  padding: 12px 24px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--accent-dim); color: var(--text); }

/* ---- CLOSING CTA ---- */
.closing-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 28px 0 32px;
}
.closing-cta .btn-primary {
  padding: 12px 28px;
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}
.built-by-polsia {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.built-by-polsia a {
  color: var(--accent-dim);
  text-decoration: none;
}
.built-by-polsia a:hover { text-decoration: underline; }

/* ---- SAMPLE FALLBACK ---- */
.sample-fallback {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 32px;
}
.sample-cta-row {
  text-align: center;
}
.sample-cta-row .btn-primary {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}

/* ---- RESPONSIVE ---- */
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .workflow-grid { grid-template-columns: 1fr 1fr; }
  .manifesto-inner { grid-template-columns: 1fr; gap: 40px; }
  .course-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-wrap: wrap; }
}
@media (max-width: 600px) {
  .workflow-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 16px; }
  .stat-divider { display: none; }
}