:root{
    --white:#FFFFFF;
    --ink:#171818;
    --ink-soft:#4B4D4F;
    --line:#E6E5E2;
    --line-strong:#D8D7D3;
    --orange:#E2571C;
    --orange-dark:#C7460F;
    --paper:#FAFAF8;

    --font-display:'Space Grotesk', sans-serif;
    --font-body:'Inter', sans-serif;
    --font-mono:'IBM Plex Mono', monospace;
  }

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

  html{ scroll-behavior:smooth; }

  body{
    background:var(--white);
    color:var(--ink);
    font-family:var(--font-body);
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
  }

  a{ color:inherit; text-decoration:none; }

  img{ max-width:100%; display:block; }

  .wrap{
    max-width:1180px;
    margin:0 auto;
    padding:0 32px;
  }

  /* ---------- NAV ---------- */

  header.site{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(255,255,255,0.92);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }

  .nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:16px 32px;
    max-width:1180px;
    margin:0 auto;
  }

  .brand{
    display:flex;
    align-items:center;
    gap:10px;
  }

  .brand img{ height:34px; width:auto; }

  .brand span{
    font-family:var(--font-display);
    font-weight:700;
    font-size:19px;
    letter-spacing:-0.01em;
  }

  nav.links{
    display:flex;
    align-items:center;
    gap:32px;
  }

  nav.links a{
    font-size:14px;
    font-weight:500;
    color:var(--ink-soft);
    transition:color .15s ease;
  }

  nav.links a:hover{ color:var(--ink); }

  .btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-family:var(--font-body);
    font-weight:600;
    font-size:14px;
    padding:10px 20px;
    border-radius:3px;
    border:1.5px solid var(--ink);
    transition:all .15s ease;
    white-space:nowrap;
  }

  .btn.primary{
    background:var(--orange);
    border-color:var(--orange);
    color:#fff;
  }

  .btn.primary:hover{ background:var(--orange-dark); border-color:var(--orange-dark); }

  .btn.ghost:hover{ background:var(--ink); color:#fff; }

  .menu-toggle{ display:none; }

  /* ---------- HERO ---------- */

  .hero{
    padding:96px 0 88px;
    position:relative;
    overflow:hidden;
  }

  .hero .eyebrow{
    font-family:var(--font-mono);
    font-size:12.5px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--orange);
    font-weight:600;
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:24px;
  }

  .hero .eyebrow::before{
    content:'';
    width:28px;
    height:2px;
    background:var(--orange);
  }

  .hero h1{
    font-family:var(--font-display);
    font-size:clamp(40px, 6vw, 74px);
    font-weight:700;
    line-height:1.02;
    letter-spacing:-0.02em;
    max-width:840px;
  }

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

  .hero .sub{
    margin-top:26px;
    max-width:560px;
    font-size:17px;
    color:var(--ink-soft);
    line-height:1.65;
  }

  .hero .tagline{
    margin-top:20px;
    font-family:var(--font-mono);
    font-size:12.5px;
    letter-spacing:0.1em;
    text-transform:uppercase;
    color:var(--ink);
    font-weight:500;
  }

  .hero .tagline span{ color:var(--line-strong); margin:0 10px; }

  .hero-actions{
    margin-top:40px;
    display:flex;
    gap:14px;
    flex-wrap:wrap;
  }

  .btn.big{ padding:14px 26px; font-size:15px; }

  /* ---------- ROUTE / SIGNATURE DIVIDER ---------- */

  .route{
    padding:6px 0 0;
  }

  .route svg{ width:100%; height:auto; display:block; }

  /* ---------- SECTION HEADERS ---------- */

  section{ padding:88px 0; }

  section.tint{ background:var(--paper); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

  .section-head{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    gap:24px;
    margin-bottom:56px;
    flex-wrap:wrap;
  }

  .section-head .label{
    font-family:var(--font-mono);
    font-size:12.5px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--orange);
    font-weight:600;
    margin-bottom:14px;
    display:block;
  }

  .section-head h2{
    font-family:var(--font-display);
    font-size:clamp(28px,3.4vw,40px);
    font-weight:700;
    letter-spacing:-0.01em;
    max-width:560px;
  }

  .section-head p{
    max-width:380px;
    color:var(--ink-soft);
    font-size:15px;
    line-height:1.6;
  }

  /* ---------- PATHS / COURSES ---------- */

  .paths{
    display:grid;
    grid-template-columns:repeat(2, 1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }

  .path-card{
    background:var(--white);
    padding:40px;
    display:flex;
    flex-direction:column;
    gap:18px;
    position:relative;
    transition:background .2s ease;
  }

  .path-card:hover{ background:var(--paper); }

  .path-card:nth-child(5){ grid-column:1 / -1; }

  .path-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
  }

  .path-code{
    font-family:var(--font-mono);
    font-size:12px;
    font-weight:600;
    letter-spacing:0.08em;
    color:var(--orange);
    border:1px solid var(--orange);
    padding:4px 10px;
    border-radius:2px;
  }

  .path-top-left{
    display:flex;
    align-items:center;
    gap:8px;
    flex-wrap:wrap;
  }

  .path-price{
    font-family:var(--font-mono);
    font-size:12px;
    font-weight:600;
    letter-spacing:0.04em;
    color:var(--ink-soft);
    padding:4px 10px;
    border:1px solid var(--line-strong);
    border-radius:2px;
  }

  .path-arrow{
    width:20px;
    height:20px;
    color:var(--ink-soft);
    transition:transform .2s ease, color .2s ease;
  }

  .path-card:hover .path-arrow{
    transform:translateX(4px);
    color:var(--orange);
  }

  .path-card h3{
    font-family:var(--font-display);
    font-size:23px;
    font-weight:700;
    letter-spacing:-0.01em;
  }

  .path-card p.desc{
    color:var(--ink-soft);
    font-size:14.5px;
    line-height:1.6;
  }

  .path-topics{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-top:auto;
    padding-top:8px;
  }

  .path-topics span{
    font-size:12px;
    font-family:var(--font-mono);
    color:var(--ink-soft);
    background:var(--paper);
    border:1px solid var(--line-strong);
    padding:5px 10px;
    border-radius:2px;
  }

  .path-card:hover .path-topics span{ background:var(--white); }

  .path-link{
    position:absolute;
    inset:0;
  }

  /* ---------- ABOUT ---------- */

  .about{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:64px;
    align-items:start;
  }

  .about .lead{
    font-family:var(--font-display);
    font-size:26px;
    font-weight:600;
    line-height:1.35;
    letter-spacing:-0.01em;
  }

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

  .about-stats{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:32px;
  }

  .about-stats div h4{
    font-family:var(--font-mono);
    font-size:12px;
    letter-spacing:0.1em;
    text-transform:uppercase;
    color:var(--orange);
    font-weight:600;
    margin-bottom:8px;
  }

  .about-stats div p{
    color:var(--ink-soft);
    font-size:14.5px;
    line-height:1.55;
  }

  /* ---------- REGISTER CTA ---------- */

  .cta-band{
    background:var(--ink);
    color:#fff;
    padding:80px 0;
  }

  .cta-band .wrap{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:40px;
    flex-wrap:wrap;
  }

  .cta-band h2{
    font-family:var(--font-display);
    font-size:clamp(26px,3.4vw,38px);
    font-weight:700;
    letter-spacing:-0.01em;
    max-width:480px;
  }

  .cta-band p{
    color:#B9BAB8;
    margin-top:12px;
    font-size:15px;
    max-width:440px;
  }

  .cta-band .btn.ghost{
    border-color:#fff;
    color:#fff;
  }

  .cta-band .btn.ghost:hover{
    background:#fff;
    color:var(--ink);
  }

  /* ---------- CONTACT ---------- */

  .contact-grid{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }

  .contact-card{
    background:var(--white);
    padding:32px 28px;
    display:flex;
    flex-direction:column;
    gap:14px;
    transition:background .2s ease;
  }

  .contact-card:hover{ background:var(--paper); }

  .contact-icon{
    width:34px;
    height:34px;
    border:1.5px solid var(--ink);
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
  }

  .contact-icon svg{ width:16px; height:16px; }

  .contact-card h4{
    font-family:var(--font-display);
    font-size:16px;
    font-weight:700;
  }

  .contact-card p{
    font-size:13.5px;
    color:var(--ink-soft);
  }

  .contact-card .go{
    margin-top:auto;
    font-family:var(--font-mono);
    font-size:12px;
    color:var(--orange);
    font-weight:600;
    display:flex;
    align-items:center;
    gap:6px;
  }

  /* ---------- FOOTER ---------- */

  footer{
    border-top:1px solid var(--line);
    padding:40px 0;
  }

  footer .wrap{
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:16px;
  }

  footer .brand span{ font-size:16px; }

  footer p{
    font-size:13px;
    color:var(--ink-soft);
  }

  footer .tag{
    font-family:var(--font-mono);
    font-size:12px;
    color:var(--ink-soft);
    letter-spacing:0.05em;
  }

  /* ---------- RESPONSIVE ---------- */

  @media (max-width: 860px){
    nav.links{ display:none; }
    .about{ grid-template-columns:1fr; }
    .contact-grid{ grid-template-columns:repeat(2,1fr); }
  }

  @media (max-width: 640px){
    .wrap{ padding:0 20px; }
    .nav{ padding:14px 20px; }
    .paths{ grid-template-columns:1fr; }
    .path-card:nth-child(5){ grid-column:auto; }
    .contact-grid{ grid-template-columns:1fr; }
    .hero{ padding:64px 0 56px; }
    section{ padding:64px 0; }
    .cta-band .wrap{ flex-direction:column; align-items:flex-start; }
  }

  @media (prefers-reduced-motion: reduce){
    *{ transition:none !important; scroll-behavior:auto !important; }
  }


/* ---------- DETAIL PAGE ---------- */

.breadcrumb{
  padding:20px 0 0;
}

.breadcrumb .wrap{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--ink-soft);
}

.breadcrumb a{ color:var(--ink-soft); transition:color .15s ease; }
.breadcrumb a:hover{ color:var(--orange); }

.detail-hero{
  padding:56px 0 64px;
}

.detail-top{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:24px;
  flex-wrap:wrap;
}

.detail-hero h1{
  font-family:var(--font-display);
  font-size:clamp(34px, 5vw, 56px);
  font-weight:700;
  letter-spacing:-0.02em;
  line-height:1.05;
  max-width:760px;
}

.detail-hero .sub{
  margin-top:22px;
  max-width:600px;
  font-size:16.5px;
  color:var(--ink-soft);
  line-height:1.65;
}

.detail-meta{
  display:flex;
  gap:40px;
  margin-top:36px;
  flex-wrap:wrap;
}

.detail-meta div h4{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--orange);
  font-weight:600;
  margin-bottom:6px;
}

.detail-meta div p{
  font-size:14.5px;
  color:var(--ink);
  font-weight:500;
}

.detail-actions{
  margin-top:36px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

.syllabus{
  display:flex;
  flex-direction:column;
}

.syllabus-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:28px;
  padding:32px 0;
  border-top:1px solid var(--line);
}

.syllabus-item:last-child{ border-bottom:1px solid var(--line); }

.syllabus-num{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:600;
  color:var(--orange);
}

.syllabus-item h3{
  font-family:var(--font-display);
  font-size:21px;
  font-weight:700;
  letter-spacing:-0.01em;
  margin-bottom:10px;
}

.syllabus-item p{
  color:var(--ink-soft);
  font-size:15px;
  line-height:1.65;
  max-width:640px;
}

.note-box{
  margin-top:40px;
  padding:24px 28px;
  border:1px solid var(--line-strong);
  background:var(--paper);
  border-radius:3px;
}

.note-box p{
  font-size:14px;
  color:var(--ink-soft);
  line-height:1.6;
}

.note-box strong{ color:var(--ink); }

.other-paths{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}

.other-paths a{
  background:var(--white);
  padding:22px 20px;
  font-family:var(--font-mono);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:0.04em;
  color:var(--ink-soft);
  transition:background .15s ease, color .15s ease;
}

.other-paths a:hover{
  background:var(--paper);
  color:var(--orange);
}

@media (max-width: 640px){
  .syllabus-item{ grid-template-columns:1fr; gap:10px; }
  .other-paths{ grid-template-columns:1fr 1fr; }
}