/* ---------- Tokens ---------- */
:root{
  --ink:#14181B;
  --concrete:#EDEAE2;
  --concrete-2:#E2DED3;
  --blueprint:#22394E;
  --blueprint-deep:#182A3A;
  --hivis:#D7E14A;
  --rust:#C1531B;
  --steel:#686F73;
  --line:#C7C2B4;
  --white:#FBFAF6;

  --font-display:"Space Grotesk", sans-serif;
  --font-body:"IBM Plex Sans", sans-serif;
  --font-mono:"IBM Plex Mono", monospace;

  --maxw:1180px;
  --edge:6vw;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

body{
  margin:0;
  background:var(--concrete);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

.skip-link{
  position:absolute;left:-999px;top:0;
  background:var(--ink);color:var(--white);
  padding:.75rem 1.25rem;z-index:999;
}
.skip-link:focus{left:1rem;top:1rem;}

:focus-visible{outline:2px solid var(--rust);outline-offset:3px;}

.grid-overlay{
  position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:
    linear-gradient(rgba(34,57,78,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,57,78,.035) 1px, transparent 1px);
  background-size:44px 44px;
  mix-blend-mode:multiply;
}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(237,234,226,.96);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;
  padding:1.1rem var(--edge);
  display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:baseline;gap:.6rem;font-family:var(--font-display);}
.brand-mark{font-size:1.35rem;font-weight:700;letter-spacing:.02em;}
.brand-drawing-no{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.08em;color:var(--steel);}

.main-nav ul{
  list-style:none;display:flex;gap:2rem;margin:0;padding:0;
}
.main-nav a{
  font-size:.85rem;font-weight:500;letter-spacing:.02em;
  display:flex;align-items:center;gap:.4rem;
  padding:.3rem 0;border-bottom:1px solid transparent;
  transition:border-color .2s ease, color .2s ease;
}
.main-nav a:hover{border-color:var(--ink);}
.main-nav .idx{
  font-family:var(--font-mono);font-size:.65rem;color:var(--rust);
}
.nav-cta{
  background:var(--ink);color:var(--concrete) !important;
  padding:.5rem .9rem !important;border-radius:2px;
}
.nav-cta .idx{color:var(--hivis);}
.nav-cta:hover{border-color:transparent !important;background:var(--blueprint);}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:38px;height:38px;background:none;border:1px solid var(--ink);cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);margin:0 7px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;justify-content:flex-end;
  overflow:hidden;
  color:var(--white);
}
.hero-media{position:absolute;inset:0;z-index:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(20,24,27,.55) 0%, rgba(20,24,27,.35) 40%, rgba(20,24,27,.85) 100%),
    linear-gradient(90deg, rgba(20,24,27,.65) 0%, rgba(20,24,27,.1) 45%, rgba(20,24,27,.55) 100%);
}
.hero-markup{position:absolute;inset:0;width:100%;height:100%;z-index:1;}
.hero-markup line, .hero-markup circle{
  stroke:var(--hivis);stroke-width:1.5;fill:none;
}
.hero-markup circle{fill:var(--hivis);}
.draw-line line{
  stroke-dasharray:900;stroke-dashoffset:900;
  animation:drawline 1.6s ease forwards;
}
.draw-line circle{opacity:0;animation:fadein .4s ease forwards;animation-delay:1.4s;}
#leaderArch{animation-delay:.4s;}
#leaderSpan line{animation-delay:.7s;}
#leaderSpan circle{animation-delay:2.1s;}
#tickTop line{animation-delay:1s;}
@keyframes drawline{to{stroke-dashoffset:0;}}
@keyframes fadein{to{opacity:1;}}

.hero-content{
  position:relative;z-index:2;
  max-width:var(--maxw);margin:0 auto;
  width:100%;padding:0 var(--edge) 6.5rem;
}
.hero-eyebrow{
  font-family:var(--font-mono);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--hivis);margin:0 0 1rem;
}
.hero-name{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(3.2rem, 9vw, 7rem);
  line-height:.94;letter-spacing:-.01em;
  margin:0 0 1.4rem;
}
.hero-role{
  max-width:36em;font-size:1.15rem;color:rgba(251,250,246,.86);
  margin:0 0 2.2rem;
}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;}

.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 1.5rem;font-weight:500;font-size:.95rem;
  border-radius:2px;border:1px solid transparent;transition:transform .18s ease, background .2s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--hivis);color:var(--ink);}
.btn-primary:hover{background:#e5ee6c;}
.btn-ghost{border-color:rgba(251,250,246,.55);color:var(--white);}
.btn-ghost:hover{background:rgba(251,250,246,.1);}

.hero-tag{
  position:absolute;left:0;bottom:0;z-index:2;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;
  background:var(--ink);color:var(--concrete);
  padding:.5rem var(--edge);width:100%;
  border-top:1px solid rgba(255,255,255,.15);
}

.scroll-cue{
  display:none;
}

/* ---------- Ticker ---------- */
.ticker-strip{
  background:var(--blueprint);color:var(--concrete);
  overflow:hidden;white-space:nowrap;
  border-bottom:1px solid rgba(255,255,255,.12);
  padding:.85rem 0;
}
.ticker-track{
  display:inline-flex;gap:1.5rem;align-items:center;
  animation:tickerMove 32s linear infinite;
}
.ticker-track span{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;
}
.ticker-track span:nth-child(2n){color:var(--hivis);font-size:.6rem;}
@keyframes tickerMove{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}

/* ---------- Sections ---------- */
.section{
  max-width:var(--maxw);margin:0 auto;
  padding:6.5rem var(--edge);
}
.section-head{margin-bottom:3rem;max-width:42em;}
.section-index{
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.1em;
  color:var(--rust);text-transform:uppercase;
}
.section-head h2{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.9rem, 3.4vw, 2.7rem);
  margin:.6rem 0 0;letter-spacing:-.01em;
}
.section-sub{color:var(--steel);font-size:1.02rem;margin:.9rem 0 0;}

/* reveal-on-scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- About ---------- */
.about-grid{
  display:grid;grid-template-columns:1fr 1.3fr;gap:3.5rem;
}
.about-photo{position:relative;}
.about-photo img{
  width:100%;aspect-ratio:4/5;object-fit:cover;filter:grayscale(.15) contrast(1.03);
}
.photo-frame-marks span{
  position:absolute;width:16px;height:16px;border:1.5px solid var(--rust);
}
.photo-frame-marks span:nth-child(1){top:-8px;left:-8px;border-right:none;border-bottom:none;}
.photo-frame-marks span:nth-child(2){top:-8px;right:-8px;border-left:none;border-bottom:none;}
.photo-frame-marks span:nth-child(3){bottom:-8px;left:-8px;border-right:none;border-top:none;}
.photo-frame-marks span:nth-child(4){bottom:-8px;right:-8px;border-left:none;border-top:none;}

.about-copy .lede{font-size:1.2rem;font-weight:500;line-height:1.5;}
.about-copy p{color:#34383B;}

.title-block{
  grid-column:1 / -1;margin:1rem 0 0;
  border:1px solid var(--ink);
  display:grid;grid-template-columns:repeat(3,1fr);
}
.tb-row{
  padding:.9rem 1.1rem;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);
}
.tb-row:nth-child(3n){border-right:none;}
.tb-row:nth-last-child(-n+3){border-bottom:none;}
.tb-row dt{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--steel);margin-bottom:.3rem;
}
.tb-row dd{margin:0;font-weight:500;font-size:.95rem;}

/* ---------- Experience / revision table ---------- */
.rev-table{border-top:1px solid var(--ink);}
.rev-head, .rev-row{
  display:grid;grid-template-columns:90px 130px 1fr;gap:1.5rem;
  padding:1.1rem 0;border-bottom:1px solid var(--line);
}
.rev-head{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--steel);border-bottom-color:var(--ink);
}
.rev-no{font-family:var(--font-mono);font-weight:500;color:var(--rust);}
.rev-date{font-family:var(--font-mono);font-size:.85rem;color:var(--steel);}
.rev-desc strong{font-family:var(--font-display);font-weight:600;}
.rev-desc{color:#34383B;}

/* ---------- Project ---------- */
.project-diagram{
  position:relative;background:var(--white);border:1px solid var(--line);
  padding:1.5rem;margin-bottom:3rem;
}
.project-diagram img{width:100%;}
.spec-grid{
  display:grid;grid-template-columns:repeat(3, 1fr);
  border-top:1px solid var(--line);margin-top:1.5rem;
}
.spec{
  padding:1rem 1.2rem;border-right:1px solid var(--line);border-top:1px solid var(--line);
}
.spec:nth-child(3n){border-right:none;}
.spec:nth-child(-n+3){border-top:none;}
.spec-label{
  display:block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--steel);margin-bottom:.3rem;
}
.spec-value{font-family:var(--font-display);font-weight:600;font-size:1.35rem;color:var(--blueprint);}

.project-copy{max-width:52em;color:#34383B;font-size:1.03rem;}
.project-copy p{margin:0 0 1.1rem;}

.project-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:2.6rem;
}
.project-strip figure{margin:0;}
.project-strip img{aspect-ratio:4/3;object-fit:cover;width:100%;}
.project-strip figcaption{
  font-family:var(--font-mono);font-size:.72rem;color:var(--steel);margin-top:.5rem;
}

/* ---------- Achievements ---------- */
.achievement-photo{
  margin:0;border:1px solid var(--line);background:var(--white);padding:.6rem;
}
.achievement-photo img{width:100%;display:block;}

/* ---------- Drawings note ---------- */
.drawings{background:var(--blueprint);color:var(--concrete);padding:0;}
.drawings-inner{
  display:grid;grid-template-columns:1fr 1fr;
  max-width:var(--maxw);margin:0 auto;
}
.drawings-photo img{width:100%;height:100%;object-fit:cover;min-height:360px;}
.drawings-copy{
  padding:4rem var(--edge);display:flex;flex-direction:column;justify-content:center;
}
.drawings-copy .section-index{color:var(--hivis);}
.drawings-copy h3{
  font-family:var(--font-display);font-size:clamp(1.6rem,2.6vw,2.1rem);
  margin:.6rem 0 1rem;font-weight:600;
}
.drawings-copy p{color:rgba(237,234,226,.82);max-width:32em;}

/* ---------- Gallery ---------- */
.gallery-grid{
  display:grid;grid-template-columns:repeat(4, 1fr);gap:1rem;
}
.gallery-item{
  position:relative;padding:0;border:none;background:none;cursor:pointer;
  aspect-ratio:1/1;overflow:hidden;
}
.gallery-item img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(.55) contrast(1.02);
  transition:filter .35s ease, transform .5s ease;
}
.gallery-item:hover img{filter:grayscale(0);transform:scale(1.06);}
.gi-cap{
  position:absolute;left:0;right:0;bottom:0;
  font-family:var(--font-mono);font-size:.68rem;color:var(--white);
  background:linear-gradient(180deg, transparent, rgba(20,24,27,.85));
  padding:1.6rem .7rem .55rem;text-align:left;
  opacity:0;transform:translateY(6px);
  transition:opacity .3s ease, transform .3s ease;
}
.gallery-item:hover .gi-cap, .gallery-item:focus-visible .gi-cap{opacity:1;transform:translateY(0);}

/* ---------- Education ---------- */
.edu-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:3rem;
  border-top:1px solid var(--ink);padding-top:2.5rem;
}
.edu-uni{font-family:var(--font-display);font-weight:600;font-size:1.3rem;margin:0 0 .2rem;}
.edu-year{font-family:var(--font-mono);font-size:.8rem;color:var(--rust);margin:0 0 1.2rem;}
.edu-main p{color:#34383B;}
.edu-secondary{
  font-family:var(--font-mono);font-size:.82rem;color:var(--steel);
  margin-top:1rem;padding-top:1rem;border-top:1px solid var(--line);
}
.research-label{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--steel);
}
.research-title{
  font-family:var(--font-display);font-weight:500;font-style:normal;
  font-size:1.08rem;margin:.6rem 0 .9rem;line-height:1.4;
}
.research-note{color:var(--steel);font-size:.92rem;}

/* ---------- Certifications ---------- */
.cert-grid{
  display:grid;grid-template-columns:repeat(3, 1fr);gap:1.2rem;
}
.cert-card{
  border:1px solid var(--ink);padding:1.4rem 1.3rem;background:var(--white);
  position:relative;
}
.cert-card::before{
  content:"";position:absolute;top:0;left:0;width:28px;height:3px;background:var(--rust);
}
.cert-issuer{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--rust);
}
.cert-name{
  font-family:var(--font-display);font-weight:600;font-size:1.05rem;
  margin:.6rem 0 .5rem;line-height:1.35;
}
.cert-meta{font-family:var(--font-mono);font-size:.76rem;color:var(--steel);margin:0;}

.skills-strip{
  margin-top:3rem;padding-top:2rem;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;
}
.skills-label{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--steel);
}
.skills-tags{display:flex;flex-wrap:wrap;gap:.6rem;}
.skills-tags span{
  font-family:var(--font-mono);font-size:.78rem;
  border:1px solid var(--line);padding:.4rem .8rem;color:var(--ink);
}

/* ---------- Contact ---------- */
.contact{background:var(--ink);color:var(--concrete);max-width:none;padding-left:0;padding-right:0;}
.contact-inner{max-width:var(--maxw);margin:0 auto;padding:0 var(--edge);}
.contact .section-index{color:var(--hivis);}
.contact h2{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(2rem,4vw,3rem);margin:.6rem 0 0;max-width:16em;
}
.contact .section-sub{color:rgba(237,234,226,.7);}

.approval-block{
  margin-top:3rem;
  display:grid;grid-template-columns:repeat(auto-fit, minmax(230px, 1fr));gap:1rem;
}
.approval-item{
  display:flex;align-items:center;gap:1rem;
  padding:1.15rem 1.25rem;
  border:1px solid rgba(237,234,226,.3);border-radius:3px;
  background:rgba(237,234,226,.04);
  transition:transform .2s ease, background .2s ease, border-color .2s ease;
}
.approval-item:hover{
  transform:translateY(-3px);
  background:rgba(237,234,226,.1);
  border-color:var(--hivis);
}
.approval-item:hover .approval-icon{background:var(--hivis);color:var(--ink);}
.approval-icon{
  flex:0 0 auto;width:42px;height:42px;border-radius:2px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(237,234,226,.12);color:var(--hivis);
  transition:background .2s ease, color .2s ease;
}
.approval-icon svg{width:20px;height:20px;}
.approval-text{display:flex;flex-direction:column;gap:.35rem;min-width:0;}
.approval-item:hover .approval-value{color:var(--hivis);}
.approval-label{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--steel);
}
.approval-value{font-weight:500;font-size:1.02rem;word-break:break-word;}

/* ---------- Footer ---------- */
.site-footer{
  display:flex;justify-content:space-between;align-items:center;
  padding:1.5rem var(--edge);max-width:var(--maxw);margin:0 auto;
  font-family:var(--font-mono);font-size:.7rem;color:var(--steel);
  border-top:1px solid var(--line);
}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed;inset:0;background:rgba(20,24,27,.94);
  display:flex;align-items:center;justify-content:center;
  z-index:1000;opacity:0;pointer-events:none;transition:opacity .25s ease;
  padding:4vh 4vw;
}
.lightbox.open{opacity:1;pointer-events:auto;}
.lightbox img{max-width:100%;max-height:92vh;object-fit:contain;}
.lightbox-close{
  position:absolute;top:1.5rem;right:1.5rem;
  background:none;border:1px solid rgba(251,250,246,.5);color:var(--white);
  width:42px;height:42px;font-size:1.5rem;line-height:1;cursor:pointer;
}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .about-grid{grid-template-columns:1fr;}
  .title-block{grid-template-columns:1fr 1fr;}
  .tb-row:nth-child(3n){border-right:1px solid var(--ink);}
  .tb-row:nth-child(2n){border-right:none;}
  .tb-row:nth-last-child(-n+3){border-bottom:1px solid var(--ink);}
  .tb-row:nth-last-child(-n+2){border-bottom:none;}
  .drawings-inner{grid-template-columns:1fr;}
  .drawings-photo img{min-height:260px;}
  .edu-grid{grid-template-columns:1fr;}
  .cert-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .project-strip{grid-template-columns:1fr 1fr;}
  .approval-block{grid-template-columns:1fr;}
}

@media (max-width:720px){
  .main-nav ul{
    position:fixed;inset:64px 0 0 0;background:var(--concrete);
    flex-direction:column;gap:0;padding:1rem var(--edge);
    transform:translateY(-110%);transition:transform .3s ease;
    border-top:1px solid var(--line);
    z-index:99;overflow-y:auto;
  }
  .main-nav ul.open{transform:translateY(0);}
  .main-nav a{padding:.9rem 0;border-bottom:1px solid var(--line);width:100%;}
  .nav-toggle{display:flex;}
  .rev-head, .rev-row{grid-template-columns:60px 90px 1fr;gap:.8rem;}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .spec:nth-child(2n){border-right:none;}
  .spec:nth-child(3n){border-right:1px solid var(--line);}
  .spec:nth-child(-n+2){border-top:none;}
  .spec:nth-child(3){border-top:1px solid var(--line);}
  .project-strip{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:1fr 1fr;}
  .hero-tag{font-size:.6rem;}
}