:root{
  --graphite:#181B1F;--graphite2:#22262B;--bone:#F3EFE6;--card:#F7F4ED;
  --amber:#F15C28;--amber-deep:#C8431A;--blue:#1668A8;--green:#5C7A3A;
  --rule:#CFC8B8;--ink2:#585C61;--ink3:#3A3E43;
  --sans:'IBM Plex Sans',sans-serif;--serif:'Spectral',Georgia,serif;
  --radius:5px;--maxw:1140px;
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden}
body{margin:0;font-family:var(--sans);color:var(--ink3);background:var(--bone)}
a{color:inherit}

 /* ============================================================
   Programme Hero
   Clean Energy Science & Engineering identity
   ============================================================ */

   .phero {
    position: relative;
    isolation: isolate;
    min-height: 520px;
    display: flex;
    align-items: flex-end;
    background: var(--graphite);
    color: var(--bone);
    overflow: hidden;
  }
  
  .phero-media {
    position: absolute;
    inset: 0;
    z-index: -2;
    background-image: url("https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=2200&q=80");
    background-size: cover;
    background-position: center;
    filter: saturate(.72) contrast(1.04);
  }
  
  .phero-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
      linear-gradient(
        180deg,
        rgba(18,21,25,.56),
        rgba(18,21,25,.78) 58%,
        rgba(18,21,25,.96)
      ),
      linear-gradient(
        90deg,
        rgba(18,21,25,.72),
        rgba(18,21,25,.18) 76%
      );
  }
  
  .phero .wrap {
    padding-top: 96px;
    padding-bottom: 82px;
  }
  
  .crumb {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    align-items: center;
    margin-bottom: 20px;
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: #9DA1A6;
  }
  
  .crumb a {
    color: inherit;
    text-decoration: none;
  }
  
  .crumb a:hover {
    color: var(--amber);
  }
  
  .crumb .sep {
    color: #5C6066;
  }
  
  .crumb .cur {
    color: var(--amber);
  }
  
  .hero-eyebrow {
    margin-bottom: 16px;
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: var(--amber);
  }
  
  .phero h1 {
    max-width: 17ch;
    margin: 0;
    color: #FBF8F1;
    font-family: var(--serif);
    font-size: clamp(38px, 5.3vw, 66px);
    font-weight: 500;
    line-height: 1.04;
    letter-spacing: -.7px;
    text-shadow: 0 1px 30px rgba(0,0,0,.25);
  }
  
  .phero h1 em {
    font-style: italic;
    font-weight: 400;
    color: #FBF8F1;
  }
  
  .phero .sub {
    margin-top: 24px;
    max-width: 60ch;
    color: #DAD5C9;
    font-family: var(--serif);
    font-size: clamp(17px, 1.65vw, 20px);
    font-weight: 300;
    line-height: 1.62;
  }
  
  .phero-cta {
    margin-top: 34px;
    display: flex;
    gap: 13px;
    flex-wrap: wrap;
    align-items: center;
  }
  
  .phero .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 12px 22px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    text-decoration: none;
    transition:
      transform .18s ease,
      background .18s ease,
      color .18s ease,
      border-color .18s ease;
  }
  
  .phero .btn:hover {
    transform: translateY(-1px);
  }
  
  .phero .btn.solid {
    background: var(--amber);
    border-color: var(--amber);
    color: #fff;
  }
  
  .phero .btn.solid:hover {
    background: var(--amber-deep);
    border-color: var(--amber-deep);
    color: #fff;
  }
  
  .phero .btn.light {
    background: transparent;
    border-color: rgba(243,239,230,.58);
    color: var(--bone);
  }
  
  .phero .btn.light:hover {
    background: var(--bone);
    border-color: var(--bone);
    color: var(--graphite);
  }
  
  .hero-note {
    font-family: var(--serif);
    font-size: 14px;
    font-style: italic;
    color: #C9C4B8;
  }
  
  /* Responsive hero */
  @media (max-width: 900px) {
    .phero {
      min-height: 560px;
    }
  
    .phero .wrap {
      padding-top: 92px;
      padding-bottom: 72px;
    }
  
    .phero h1 {
      max-width: 15ch;
    }
  }
  
  @media (max-width: 760px) {
    .phero {
      min-height: 620px;
    }
  
    .phero .wrap {
      padding-top: 96px;
      padding-bottom: 64px;
    }
  
    .phero h1 {
      font-size: clamp(36px, 11vw, 52px);
      max-width: 13ch;
    }
  
    .phero .sub {
      font-size: 16px;
      line-height: 1.62;
    }
  
    .phero-cta {
      align-items: stretch;
      flex-direction: column;
    }
  
    .phero .btn {
      width: 100%;
    }
  
    .hero-note {
      text-align: center;
    }
  }
  
  @media (max-width: 480px) {
    .phero h1 {
      font-size: 36px;
    }
  
    .crumb,
    .hero-eyebrow {
      font-size: 10px;
      line-height: 1.5;
    }
  
    .phero .sub {
      font-size: 15px;
    }
  }

  
/* Content container — same rule used on /program and /bachelor.
   Sections run full-width (backgrounds, borders); .wrap caps content at --maxw. */
.wrap{width:min(var(--maxw), calc(100% - 80px));margin:0 auto}

/* ===================== FACTS BAR ===================== */
.facts-bar{background:var(--bone);border-bottom:1px solid var(--rule)}
.facts-bar .wrap{display:grid;grid-template-columns:repeat(5,1fr)}
.fact{text-align:center;padding:18px 14px;border-right:1px solid var(--rule)}
.fact:last-child{border-right:none}
.fact-n{font-family:var(--serif);font-size:22px;color:var(--graphite);line-height:1;font-variant-numeric:lining-nums}
.fact-l{font-size:13px;color:var(--ink2);margin-top:5px;line-height:1.4}

/* ===================== SECTION SHELL ===================== */
.sec{padding:60px 0}
.sec.alt{background:var(--bone)}
.sec.tinted{background:var(--card)}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--amber-deep);margin-bottom:10px}
.sec-h2{font-family:var(--serif);font-size:clamp(24px,2.6vw,34px);font-weight:500;color:var(--graphite);margin-bottom:12px;line-height:1.18;letter-spacing:-.4px}
.sec-h2 em{font-style:italic;font-weight:400;color:var(--amber-deep)}
.sec-h2.light{color:#fff}
.sec-lead{font-family:var(--serif);font-size:16px;color:var(--ink3);line-height:1.65;max-width:680px;margin-bottom:32px}

/* ===================== CURRICULUM INTRO ===================== */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-bottom:48px}
.intro-grid .body-p{font-size:15px;color:var(--ink3);line-height:1.75;margin:0 0 14px}
.intro-grid .body-p:last-child{margin-bottom:0}
.img-slot{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--graphite2)}
.img-slot-cover img{width:100%;height:100%;object-fit:cover;display:block}
.img-slot-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,21,25,.08),rgba(18,21,25,.42));z-index:1}
.img-slot-label{position:absolute;left:12px;bottom:12px;font-size:10px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.88);background:rgba(18,21,25,.5);padding:4px 9px;border-radius:3px;z-index:2}

/* ===================== STRUCTURE PILLS ===================== */
.structure-pills{display:flex;gap:0;border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden;margin-bottom:36px}
.structure-pill{flex:1;padding:18px 12px;text-align:center;border-right:1px solid var(--rule);position:relative}
.structure-pill:last-child{border-right:none}
.structure-pill.spec-phase{background:rgba(241,92,40,.05);border-top:2px solid var(--amber)}
.structure-pill-year{font-family:var(--serif);font-size:22px;color:var(--graphite);line-height:1}
.structure-pill.spec-phase .structure-pill-year{color:var(--amber-deep)}
.structure-pill-label{font-size:11.5px;color:var(--ink2);margin-top:4px}
.structure-pill-ects{font-size:10px;font-weight:600;color:var(--amber-deep);margin-top:5px}
.structure-pill-badge{font-size:9px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-top:6px;display:inline-block;padding:2px 7px;border-radius:3px}
.structure-pill-badge.bsc{background:rgba(22,104,168,.10);color:var(--blue)}
.structure-pill-badge.spec{background:rgba(241,92,40,.14);color:var(--amber-deep)}

/* ===================== ACCORDION ===================== */
.accordion-wrap{border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden}
.acc-item{border-bottom:1px solid var(--rule)}
.acc-item:last-child{border-bottom:none}
.acc-item.spec-item{background:rgba(241,92,40,.03)}
.acc-trigger{width:100%;background:none;border:none;padding:20px 24px;display:flex;align-items:center;gap:16px;cursor:pointer;font-family:inherit;text-align:left;transition:background .15s}
.acc-trigger:hover{background:var(--card)}
.acc-item.spec-item .acc-trigger:hover{background:rgba(241,92,40,.06)}
.acc-year-dot{width:32px;height:32px;border-radius:50%;background:var(--graphite);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.acc-year-dot.amber{background:var(--amber)}
.acc-year-dot span{font-family:var(--serif);font-size:13px;color:#fff}
.acc-trigger-info{flex:1;min-width:0}
.acc-trigger-title{font-family:var(--serif);font-size:17px;font-weight:600;color:var(--graphite);margin-bottom:3px}
.acc-item.spec-item .acc-trigger-title{color:var(--amber-deep)}
.acc-trigger-meta{font-size:12px;color:var(--ink2)}
.acc-trigger-badges{display:flex;gap:6px;margin-top:6px}
.acc-badge{font-size:10px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;padding:2px 8px;border-radius:3px}
.acc-badge.bsc{background:rgba(22,104,168,.10);color:var(--blue)}
.acc-badge.spec{background:rgba(241,92,40,.14);color:var(--amber-deep)}
.acc-chevron{font-size:18px;color:var(--ink2);transition:transform .2s;flex-shrink:0;line-height:1}
.acc-chevron.open{transform:rotate(180deg)}
.acc-body{display:none;padding:0 24px 24px;border-top:1px solid var(--rule)}
.acc-body.open{display:block}

.course-table-wrap{overflow-x:auto}
.course-table{width:100%;border-collapse:collapse;font-size:13px;margin-bottom:12px;min-width:520px}
.course-table th{padding:9px 12px;text-align:left;font-size:10px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--ink2);border-bottom:1px solid var(--rule);background:var(--card)}
.course-table td{padding:10px 12px;border-bottom:1px solid var(--bone);vertical-align:top;line-height:1.45}
.course-table tr:last-child td{border-bottom:none}
.course-table tbody tr:hover td{background:rgba(241,92,40,.04)}
.course-name{color:var(--graphite);font-weight:500}
.course-code{display:inline-block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10.5px;color:var(--amber-deep);margin-right:8px;letter-spacing:.02em}
.course-dept{display:inline-block;font-size:10px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:2px 7px;border-radius:3px;line-height:1.3}
.course-dept.plant{background:rgba(241,92,40,.10);color:var(--amber-deep)}
.course-dept.apps{background:rgba(22,104,168,.10);color:var(--blue)}
.course-dept.smart{background:rgba(92,122,58,.12);color:var(--green)}
.course-dept.elective{background:var(--card);color:var(--ink2);border:1px solid var(--rule)}
.course-dept.all{background:var(--card);color:var(--ink2)}
.course-type{font-size:11px;color:var(--ink2)}
.course-ects{font-size:12px;color:var(--graphite);font-weight:600;text-align:right;white-space:nowrap}
.sem-divider{background:var(--card);padding:7px 12px;font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink2)}
.course-dl-cell{text-align:right;white-space:nowrap}
.course-dl{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;color:var(--amber-deep);text-decoration:none;transition:color .15s}
.course-dl:hover{color:var(--amber)}
.course-dl-none{color:var(--ink2);opacity:.5}
.acc-year-note{background:rgba(241,92,40,.06);border:1px solid rgba(241,92,40,.2);border-radius:var(--radius);padding:11px 14px;font-size:12px;color:var(--ink3);line-height:1.6;margin-top:6px}
.acc-year-note strong{color:var(--amber-deep);font-weight:600}
.acc-year-note.dark{background:rgba(241,92,40,.08);border-color:rgba(241,92,40,.25)}

/* ===================== IMAGE BREAK ===================== */
.img-break{margin:0;background:var(--card)}
.img-break-inner{display:grid;grid-template-columns:3fr 2fr;gap:16px}

/* ===================== SPECIALISATION TRACKS ===================== */
.spec-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.spec-card{background:var(--bone);border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden}
.spec-card.t-plant{border-top:3px solid var(--amber)}
.spec-card.t-apps{border-top:3px solid var(--blue)}
.spec-card.t-smart{border-top:3px solid var(--green)}
.spec-card-img{height:150px;position:relative;background:var(--graphite2);display:flex;align-items:center;justify-content:center}
.spec-card-img-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,21,25,.12),rgba(18,21,25,.45))}
.spec-card-body{padding:16px 18px}
.spec-card-title{font-family:var(--serif);font-size:15px;font-weight:600;color:var(--graphite);margin-bottom:7px;line-height:1.2}
.spec-card-desc{font-size:12.5px;color:var(--ink2);line-height:1.6;margin-bottom:11px}
.spec-card-courses{display:flex;flex-wrap:wrap;gap:5px}
.spec-course-tag{font-size:10px;color:var(--ink3);background:var(--card);border:1px solid var(--rule);padding:3px 8px;border-radius:3px}

/* ===================== DOWNLOAD BAND ===================== */
.download-band{background:var(--card);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:36px 0}
.download-band .wrap{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.download-title{font-family:var(--serif);font-size:20px;font-weight:600;color:var(--graphite);margin-bottom:6px}
.download-sub{font-size:13px;color:var(--ink2);line-height:1.6;max-width:62ch}
.download-actions{display:flex;gap:10px;flex-direction:column;align-items:flex-end}
.btn-solid{background:var(--graphite);color:var(--bone);border:none;padding:12px 24px;font-size:13px;font-weight:600;border-radius:var(--radius);cursor:pointer;font-family:inherit;white-space:nowrap;transition:background .18s}
.btn-solid:hover{background:var(--graphite2)}

/* ===================== APPLY BAND ===================== */
.apply-band{background:var(--graphite);padding:48px 0}
.apply-band .wrap{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.apply-eyebrow{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);margin-bottom:10px}
.apply-title{font-family:var(--serif);font-size:clamp(22px,2.4vw,30px);font-weight:500;color:#FBF8F1;margin-bottom:8px;line-height:1.25}
.apply-sub{font-size:14px;color:#A7A296;line-height:1.6}
.apply-actions{display:flex;gap:10px;flex-direction:column;align-items:flex-end}
/* lead-gen CTA — the only place the asymmetric radius is used */
.btn-amber-lg{background:var(--amber);color:#fff;border:1px solid var(--amber);padding:13px 28px;font-size:14px;font-weight:600;border-radius:3px 14px 14px 3px;cursor:pointer;font-family:inherit;white-space:nowrap;transition:background .18s,border-color .18s}
.btn-amber-lg:hover{background:var(--amber-deep);border-color:var(--amber-deep)}
.btn-outline-lt{background:transparent;color:rgba(243,239,230,.72);border:1px solid rgba(243,239,230,.3);padding:11px 22px;font-size:13px;border-radius:var(--radius);cursor:pointer;font-family:inherit;white-space:nowrap;transition:border-color .18s,color .18s}
.btn-outline-lt:hover{color:var(--bone);border-color:var(--bone)}

/* ===================== RESPONSIVE ===================== */
/* .wrap gutter steps — identical to program-style.css */
@media(max-width:1200px){ .wrap{width:min(100% - 64px, var(--maxw))} }
@media(max-width:768px){ .wrap{width:min(100% - 44px, var(--maxw))} }
@media(max-width:480px){ .wrap{width:min(100% - 36px, var(--maxw))} }

@media(max-width:900px){
  .sec{padding:54px 0}
  .facts-bar .wrap{grid-template-columns:repeat(2,1fr)}
  .fact:nth-child(2n){border-right:none}
  .fact{border-bottom:1px solid var(--rule)}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .structure-pills{flex-wrap:wrap}
  .structure-pill{flex:1 1 50%;border-bottom:1px solid var(--rule)}
  .spec-grid{grid-template-columns:1fr}
  .img-break-inner{grid-template-columns:1fr}
  .download-band,.apply-band{padding:36px 0}
  .download-band .wrap,.apply-band .wrap{grid-template-columns:1fr;gap:24px}
  .download-actions,.apply-actions{flex-direction:row;flex-wrap:wrap;align-items:stretch}
}
@media(max-width:560px){
  .facts-bar .wrap{grid-template-columns:1fr}
  .fact{border-right:none}
  .structure-pill{flex:1 1 100%}
  .acc-trigger{padding:16px}
  .acc-body{padding:0 16px 18px}
}
/* ===== Per-course description disclosure ===== */
.course-toggle{
  display:inline-flex; align-items:center; gap:0;
  width:100%; background:none; border:0; margin:0; padding:0;
  font:inherit; color:var(--graphite); font-weight:500;
  text-align:left; cursor:pointer;
}
.course-arrow{
  display:inline-flex; flex-shrink:0; margin-right:9px;
  color:var(--amber-deep); transition:transform .2s ease;
}
.course-toggle[aria-expanded="true"] .course-arrow{ transform:rotate(90deg); }
.course-toggle:hover{ color:var(--amber-deep); }

.course-desc-row td{ padding:0 !important; border:0 !important; background:var(--card); }
.course-table tbody tr.course-desc-row:hover td{ background:var(--card); }
.course-desc{ max-height:0; overflow:hidden; transition:max-height .28s ease; }
.course-desc > p{
  margin:0; padding:4px 14px 13px 31px;
  font-size:12.5px; line-height:1.55; color:var(--ink3); max-width:72ch;
}
.course-desc-row.open .course-desc{ max-height:260px; }