/* Trepa Technologies — instructors.trepatech.com
   Dark theme. Tokens taken from TREPA_BRAND.md v1.0. Do not mix in light-theme values. */

:root{
  --bg:#161820; --deep:#0C0C12; --surface:#1A1C24; --raised:#262730; --border:#373846;
  --text:#F7F7F7; --text-2:#B1B2BB; --text-3:#8D8D96;
  --accent:#006AFF; --accent-alt:#1F9EFF; --band:#0851C5;
  --warn:#FFD602;
  --r:8px; --r-sm:6px;
  --wrap:1160px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:16px; line-height:1.55; -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
h1,h2,h3{margin:0 0 .5rem; line-height:1.2; letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3rem); font-weight:800}
h2{font-size:clamp(1.5rem,2.6vw,2rem); font-weight:700}
h3{font-size:1.25rem; font-weight:700}
p{margin:0 0 1rem}
.wrap{width:100%; max-width:var(--wrap); margin:0 auto; padding:0 24px}

.eyebrow{
  font-family:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-weight:700; font-size:11px; line-height:1.4; text-transform:uppercase;
  letter-spacing:1.4px; color:var(--accent); margin:0 0 .5rem;
}
.lede{color:var(--text-2); font-size:1.0625rem; line-height:1.65; max-width:68ch}

/* header */
.site-header{position:sticky; top:0; z-index:20; background:rgba(22,24,32,.92);
  backdrop-filter:blur(10px); border-bottom:1px solid var(--border)}
.header-inner{display:flex; align-items:center; justify-content:space-between; gap:24px; height:72px}
/* Logo and photos layer a background-image over a text fallback. If the file is
   missing the layer paints nothing and the fallback beneath shows through — no
   JavaScript, which lets the CSP block scripts outright. */
.logo{position:relative; display:inline-flex; align-items:center; height:26px}
.logo-fallback{display:inline-flex; align-items:center; gap:.4em; font-weight:800;
  letter-spacing:.06em; font-size:1rem; white-space:nowrap}
.logo-fallback i{color:var(--accent); font-style:normal}
.logo-img{display:block; width:190px; height:26px;
  background:url('../img/trepa-academy-onDark.png') no-repeat left center/contain}
.site-nav{display:flex; align-items:center; gap:24px}
.site-nav a{color:var(--text-2); font-size:.875rem; font-weight:500}
.site-nav a:hover{color:var(--text)}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  border-radius:var(--r); padding:.6rem 1.1rem; border:0; cursor:pointer;
  font-family:"Roboto Mono",ui-monospace,monospace; font-weight:700; font-size:11px;
  letter-spacing:.68px; text-transform:uppercase; white-space:nowrap;
}
.btn-primary{background:var(--accent); color:#fff}
.btn-primary:hover{background:#0058d6; color:#fff}
.btn-secondary{background:rgba(255,255,255,.1); color:var(--text);
  font-family:Inter,sans-serif; font-weight:500; font-size:.875rem; letter-spacing:0; text-transform:none}
.btn-secondary:hover{background:rgba(255,255,255,.16)}

/* hero */
.hero{padding:88px 0 56px; background:
  radial-gradient(900px 420px at 15% -10%, rgba(0,106,255,.16), transparent 65%), var(--bg)}
.hero h1{max-width:18ch; margin-bottom:1rem}

/* sections */
.section{padding:64px 0}
.section-alt{background:var(--deep); border-top:1px solid var(--border)}
.section h2{margin-bottom:.75rem}

.grid{display:grid; gap:20px; margin-top:32px}
.instructor-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.standards-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.work-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}

.card{background:var(--surface); border:1px solid var(--border); border-radius:var(--r); padding:24px}
.standard h3{font-size:1.0625rem; margin-bottom:.5rem}
.standard p{color:var(--text-2); font-size:.9375rem; margin:0}

/* instructor cards */
.instructor-card{display:flex; flex-direction:column; padding:0; overflow:hidden;
  transition:border-color .15s ease, transform .15s ease}
.instructor-card:hover{border-color:var(--accent); transform:translateY(-2px)}
.card-photo{position:relative; aspect-ratio:4/3; background:var(--raised); overflow:hidden}
.photo-fallback{position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:2.5rem; color:var(--accent); letter-spacing:.05em}
.photo-img{position:absolute; inset:0; background:no-repeat center center/cover}
.card-body{padding:22px 24px 24px}
.card-role{font-family:"Roboto Mono",monospace; font-weight:700; font-size:11px;
  letter-spacing:1.4px; text-transform:uppercase; color:var(--accent);
  margin:0 0 .5rem; display:flex; align-items:center; gap:8px; flex-wrap:wrap}
.card-name{font-size:1.25rem; margin-bottom:.5rem}
.post-nominals{display:block; font-size:.8125rem; font-weight:500; color:var(--text-3);
  letter-spacing:.02em; margin-top:.2rem}
.card-headline{color:var(--text-2); font-size:.9375rem; margin-bottom:1rem}
.chips{list-style:none; display:flex; flex-wrap:wrap; gap:8px; padding:0; margin:0 0 1.1rem}
.chips li{background:var(--raised); border:1px solid var(--border); border-radius:var(--r-sm);
  padding:.25rem .6rem; font-size:.75rem; color:var(--text-2)}
.card-cta{font-family:"Roboto Mono",monospace; font-weight:700; font-size:11px;
  letter-spacing:.68px; text-transform:uppercase; color:var(--accent)}

.tag{display:inline-block; border-radius:var(--r-sm); padding:.15rem .5rem;
  font-size:10px; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  font-family:"Roboto Mono",monospace}
.tag-warn{background:rgba(255,214,2,.14); color:var(--warn); border:1px solid rgba(255,214,2,.35)}
.tag-block{display:block; padding:.6rem .8rem; letter-spacing:.04em; margin:1rem 0; line-height:1.5}

/* profile */
.profile-hero{padding:48px 0 40px; background:
  radial-gradient(760px 380px at 8% -20%, rgba(0,106,255,.15), transparent 65%), var(--bg);
  border-bottom:1px solid var(--border)}
.profile-hero-inner{display:grid; grid-template-columns:280px 1fr; gap:40px; align-items:start}
.profile-photo{position:relative; aspect-ratio:1; border-radius:var(--r); overflow:hidden;
  background:var(--raised); border:1px solid var(--border)}
.profile-photo .photo-fallback{font-size:3.5rem}
.back{display:inline-block; color:var(--text-3); font-size:.875rem; margin-bottom:1.25rem}
.back:hover{color:var(--text)}
.profile-intro h1{margin-bottom:.75rem}
.profile-intro .post-nominals{font-size:1rem; margin-top:.35rem}
.link-row{display:flex; flex-wrap:wrap; gap:10px; margin-top:1.25rem}

.stats{display:flex; flex-wrap:wrap; gap:40px; margin-top:36px; padding-top:28px;
  border-top:1px solid var(--border)}
.stat .figure{font-size:1.75rem; font-weight:700; color:var(--accent); margin:0}
.stat-label{color:var(--text-3); font-size:.8125rem; margin:0}

.profile-body{padding:56px 24px 72px; max-width:900px}
.block{margin-bottom:48px}
.block p{color:var(--text-2)}
.block > h2{margin-bottom:1rem}

.cred-list,.course-list{list-style:none; padding:0; margin:0; display:grid; gap:12px}
.cred{padding:18px 20px}
.cred-label{font-weight:600; color:var(--text); margin:0}
.cred-detail{color:var(--text-2); font-size:.9375rem; margin:.15rem 0 0}
.cred-meta{font-family:"Roboto Mono",monospace; font-size:11px; letter-spacing:.9px;
  text-transform:uppercase; color:var(--text-3); margin:.5rem 0 0}

.service .service-line{font-weight:600; color:var(--text); margin:0 0 .75rem}
.bullets{margin:0; padding-left:1.15rem; color:var(--text-2)}
.bullets li{margin-bottom:.4rem}

.course{display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:16px 20px; transition:border-color .15s ease}
.course:hover{border-color:var(--accent)}
.course .arrow{color:var(--accent)}

.venture h3{margin-bottom:.25rem}
.venture-tagline{color:var(--accent-alt); font-size:.9375rem; margin-bottom:.75rem}
.fineprint{color:var(--text-3); font-size:.8125rem; margin:1rem 0 0; line-height:1.5}
.venture .btn{margin-top:.25rem}

.work-type{font-family:"Roboto Mono",monospace; font-weight:700; font-size:11px;
  letter-spacing:1.4px; text-transform:uppercase; color:var(--accent); margin:0 0 .4rem}
.work h3{font-size:1.0625rem}
.work p{font-size:.9375rem}
.inline-link{color:var(--accent-alt); font-size:.875rem; font-weight:500}
.inline-link:hover{color:var(--accent)}

.contractor-note{background:var(--deep); margin-top:8px}
.contractor-note p{color:var(--text-2); font-size:.9375rem; margin:0}
.contractor-note strong{color:var(--text)}

.pager-row{display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  margin-top:48px; padding-top:28px; border-top:1px solid var(--border)}
.pager{color:var(--text-2); font-size:.9375rem}
.pager:hover{color:var(--accent)}
.pager-row .next{margin-left:auto; text-align:right}

/* draft banner — only ever rendered on unlisted preview pages */
.draft-banner{background:rgba(255,214,2,.08); border-bottom:1px solid rgba(255,214,2,.35);
  padding:20px 0}
.draft-banner p{color:var(--text-2); font-size:.9375rem; margin:0; max-width:70ch}
.draft-banner strong{color:var(--text)}
.draft-banner a{color:var(--accent-alt); text-decoration:underline}

/* footer */
.site-footer{background:var(--deep); border-top:1px solid var(--border); padding:56px 0 32px; margin-top:auto}
.footer-top{display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; margin-bottom:40px}
.footer-blurb{color:var(--text-3); font-size:.875rem; margin-top:1rem; max-width:34ch}
.footer-heading{font-family:"Roboto Mono",monospace; font-weight:700; font-size:11px;
  letter-spacing:1.4px; text-transform:uppercase; color:var(--text); margin:0 0 .9rem}
.footer-links{display:flex; flex-direction:column; gap:.6rem}
.footer-links a{color:var(--text-3); font-size:.875rem}
.footer-links a:hover{color:var(--text)}

.legal{border:1px solid var(--border); border-radius:var(--r); padding:24px; background:var(--surface)}
.legal p{color:var(--text-2); font-size:.8125rem; line-height:1.65; margin:0; max-width:none}
.copyright{color:var(--text-3); font-size:.8125rem; margin:28px 0 0}

@media (max-width:900px){
  .profile-hero-inner{grid-template-columns:1fr; gap:28px}
  .profile-photo{max-width:220px}
  .footer-top{grid-template-columns:1fr 1fr; gap:32px}
}
@media (max-width:640px){
  .header-inner{height:64px}
  .site-nav a:not(.btn){display:none}
  .hero{padding:56px 0 40px}
  .section{padding:48px 0}
  .footer-top{grid-template-columns:1fr}
  .stats{gap:28px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important}
}

/* per-instructor photos */
.photo-garry-corker{background-image:url('../img/instructors/garry-corker.png')}
.photo-placeholder-instructor-two{background-image:url('../img/instructors/placeholder.svg')}
.photo-placeholder-instructor-three{background-image:url('../img/instructors/placeholder.svg')}