:root{
  --navy:#16232E; --navy-deep:#101B24; --navy-mid:#1A2B38;
  --paper:#E9EDF1; --paper-dim:#B9C4CD;
  --steel:#5B8AA6; --steel-lt:#8FB4CC; --amber:#D98E3F; --slate:#8696A4;
  --line:rgba(233,237,241,0.12); --max:920px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0; background:var(--navy); color:var(--paper);
  font-family:'IBM Plex Sans',sans-serif; line-height:1.6; -webkit-font-smoothing:antialiased;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;} *{animation:none !important; transition:none !important;}}
a{color:var(--amber); text-decoration:none;}
a:hover{text-decoration:underline;}
a:focus-visible,button:focus-visible{outline:2px solid var(--amber); outline-offset:3px;}

/* Nav */
.site-nav{position:sticky; top:0; z-index:50; background:rgba(16,27,36,0.92);
  backdrop-filter:blur(6px); border-bottom:1px solid var(--line);}
.nav-inner{max-width:var(--max); margin:0 auto; padding:16px 28px;
  display:flex; align-items:center; justify-content:space-between;}
.nav-mark{font-family:'IBM Plex Mono',monospace; font-size:13px; letter-spacing:0.14em;
  color:var(--amber); text-transform:uppercase;}
.nav-mark:hover{text-decoration:none;}
.nav-links{display:flex; gap:26px; list-style:none; margin:0; padding:0;}
.nav-links a{color:var(--paper-dim); font-size:14px; font-weight:500; letter-spacing:0.02em;
  padding:4px 0; border-bottom:2px solid transparent;}
.nav-links a:hover{color:var(--paper); text-decoration:none;}
.nav-links a[aria-current="page"]{color:var(--paper); border-bottom-color:var(--amber);}

/* Shared type */
.wrap{max-width:var(--max); margin:0 auto; padding:72px 28px;}
.eyebrow{font-family:'IBM Plex Mono',monospace; color:var(--steel-lt); font-size:13px;
  letter-spacing:0.16em; text-transform:uppercase; margin:0 0 18px;}
.section-num{font-family:'IBM Plex Mono',monospace; color:var(--amber); font-size:13px;
  letter-spacing:0.1em; display:block; margin-bottom:10px;}
h1,h2{font-family:'Space Grotesk',sans-serif; margin:0;}
h2{font-size:clamp(1.5rem,3vw,2rem); font-weight:600; color:var(--paper);}
.section-head{margin-bottom:36px;}

/* Buttons */
.btn{display:inline-block; padding:12px 22px; font-family:'IBM Plex Mono',monospace;
  font-size:13px; letter-spacing:0.05em; border-radius:2px;
  transition:transform .15s ease, background .15s ease;}
.btn-primary{background:var(--amber); color:var(--navy-deep); font-weight:500;}
.btn-primary:hover{background:#e6a15b; text-decoration:none; transform:translateY(-1px);}
.btn-ghost{border:1px solid var(--line); color:var(--paper-dim);}
.btn-ghost:hover{border-color:var(--steel); color:var(--paper); text-decoration:none;}
.cta{display:flex; gap:14px; flex-wrap:wrap;}

/* Landing hero */
.hero{position:relative; min-height:min(82vh,700px); display:flex; align-items:center;
  padding:90px 28px; overflow:hidden; border-bottom:1px solid var(--line); background:var(--navy-deep);}
.hero-photo{position:absolute; top:0; right:0; height:100%; width:66%;
  background:url(img/hero.jpg) 50% 55%/cover;
  -webkit-mask-image:linear-gradient(to right,transparent 0,rgba(0,0,0,.3) 32%,#000 62%);
  mask-image:linear-gradient(to right,transparent 0,rgba(0,0,0,.3) 32%,#000 62%);}
.hero::after{content:''; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(to bottom,rgba(16,27,36,.45) 0,transparent 28%,transparent 72%,rgba(22,35,46,.9) 100%);}
.hero-inner{max-width:calc(var(--max) - 56px); width:100%; margin:0 auto; position:relative; z-index:2;}
.hero h1{font-weight:700; font-size:clamp(2rem,4.8vw,3.4rem); line-height:1.06;
  letter-spacing:-0.01em; max-width:560px; margin:0 0 22px;}
.hero h1 .sub{display:block; font-weight:500; color:var(--steel-lt);
  font-size:0.52em; line-height:1.3; letter-spacing:0; margin-top:14px;}
.hero p.lead{font-size:1.06rem; color:var(--paper-dim); max-width:540px; margin:0 0 32px;}

/* Skills table */
.skills{width:100%; border-collapse:collapse; border:1px solid var(--line);}
.skills th,.skills td{text-align:left; vertical-align:top; font-size:15px;}
.skills thead th{padding:14px 20px; font-family:'IBM Plex Mono',monospace; font-size:11.5px; font-weight:500;
  letter-spacing:.1em; text-transform:uppercase; color:var(--steel-lt); background:var(--navy-deep);}
.skills thead th:first-child{width:34%;}
.skills tbody.area{border-top:1px solid var(--line);}
.area-row th{padding:0; background:var(--navy-mid); font-weight:600; width:34%;}
.area-row td{padding:18px 20px; color:var(--paper-dim); background:transparent; transition:background .2s ease;}
.area-btn{all:unset; box-sizing:border-box; display:flex; gap:12px; align-items:flex-start; width:100%;
  padding:18px 20px; cursor:pointer; color:var(--paper); font-weight:600; font-size:15px; line-height:1.5;}
.area-btn:focus-visible{outline:2px solid var(--amber); outline-offset:-2px;}
.chev{flex:none; width:8px; height:8px; margin-top:8px; border-right:2px solid var(--amber); border-bottom:2px solid var(--amber);
  transform:rotate(-45deg); transition:transform .25s ease;}
.area.open .chev{transform:rotate(45deg);}
.area.open .area-row td,.area-row:hover td{background:rgba(26,43,56,.6);}
.area.open .area-btn{color:#fff;}
.area-detail td{padding:0; background:var(--navy-deep);}
.detail-clip{display:grid; grid-template-rows:0fr; visibility:hidden;
  transition:grid-template-rows .3s ease, visibility 0s linear .3s;}
.area.open .detail-clip{grid-template-rows:1fr; visibility:visible; transition:grid-template-rows .3s ease, visibility 0s;}
.detail-in{overflow:hidden; min-height:0;}
.skill-list{list-style:none; margin:0; padding:22px 20px 26px; display:grid; grid-template-columns:1fr 1fr; gap:22px 36px;
  border-top:2px solid var(--amber);}
.skill-list li strong{display:block; color:var(--paper); font-size:14.5px; font-weight:600; margin-bottom:4px;}
.skill-list li span{display:block; color:var(--paper-dim); font-size:14px; line-height:1.55;}
.skills-hint{color:var(--slate); font-size:13.5px; margin:14px 0 0;}

/* Map */
.map-figure{border:1px solid var(--line); background:var(--navy-deep); padding:10px; margin:0;}
.map-svg{display:block; width:100%; height:auto;}
.st{fill:#1A2B38; stroke:rgba(233,237,241,.13); stroke-width:.7; stroke-linejoin:round;}
.st.on{fill:#2A4256; stroke:rgba(143,180,204,.5);}
.pin .halo{fill:rgba(217,142,63,.22); transform-box:fill-box; transform-origin:center; transition:transform .2s ease;}
.pin .dot{fill:var(--amber); stroke:var(--navy-deep); stroke-width:2;}
.pin:hover .halo{transform:scale(1.5);}
.map-hint{color:var(--slate); font-size:13.5px; margin:-14px 0 14px;}
.map-wrap{position:relative;}
.pin{cursor:pointer; outline:none;}
.pin .hit{fill:transparent;}
.pin.active .halo{transform:scale(1.55); fill:rgba(217,142,63,.4);}
.pin:focus-visible .dot{stroke:var(--paper); stroke-width:3;}
.map-pop{position:absolute; z-index:5; width:270px; max-width:calc(100% - 16px);
  background:var(--navy-mid); border:1px solid var(--steel); border-top:3px solid var(--amber);
  padding:16px 18px 16px; box-shadow:0 10px 30px rgba(0,0,0,.45);}
.map-pop[hidden]{display:none;}
.map-pop h3{font-family:'Space Grotesk',sans-serif; font-size:1rem; font-weight:600; margin:0 24px 10px 0; color:var(--paper);}
.map-pop ul{list-style:none; margin:0; padding:0;}
.map-pop li{color:var(--paper-dim); font-size:14.5px; padding:5px 0; border-top:1px solid var(--line);}
.map-pop li:first-child{border-top:0;}
.pop-close{position:absolute; top:6px; right:8px; width:30px; height:30px; background:none; border:0;
  color:var(--paper-dim); font-size:22px; line-height:1; cursor:pointer;}
.pop-close:hover{color:var(--paper);}
.chips-label{font-family:'IBM Plex Mono',monospace; font-size:11.5px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--steel-lt); margin:26px 0 0;}
.chips{list-style:none; margin:12px 0 0; padding:0; display:flex; flex-wrap:wrap; gap:8px;}
.chips li{border:1px solid var(--line); padding:5px 12px; font-size:13.5px; color:var(--paper-dim);
  font-family:'IBM Plex Mono',monospace; letter-spacing:.02em;}

/* Experience timeline */
.log{position:relative; padding-left:96px;}
.log::before{content:''; position:absolute; left:56px; top:6px; bottom:6px; width:2px;
  background:linear-gradient(to bottom,var(--amber),var(--steel) 15%,var(--line) 92%);}
.log-entry{position:relative; padding-bottom:52px;}
.log-entry:last-child{padding-bottom:0;}
.log-depth{position:absolute; left:-96px; top:2px; width:70px; text-align:right;
  font-family:'IBM Plex Mono',monospace; color:var(--slate); font-size:12.5px;}
.log-tick{position:absolute; left:-40px; top:6px; width:9px; height:9px; background:var(--amber);
  border-radius:50%; box-shadow:0 0 0 4px var(--navy);}
.log-entry .company{font-family:'Space Grotesk',sans-serif; font-weight:600; font-size:1.15rem; margin:0 0 2px;}
.log-entry .role{color:var(--steel-lt); font-size:14.5px; font-weight:500; margin:0 0 4px;}
.log-entry .loc-dates{color:var(--slate); font-size:12.5px; font-family:'IBM Plex Mono',monospace; margin:0 0 14px;}
.log-entry ul{margin:0; padding-left:18px; color:var(--paper-dim); font-size:14.5px;}
.log-entry li{margin-bottom:7px;}
.log-entry li::marker{color:var(--amber);}
.edu-card{border:1px solid var(--line); padding:26px 28px; max-width:560px;
  display:flex; justify-content:space-between; align-items:baseline; gap:20px; flex-wrap:wrap;}
.edu-card .deg{font-weight:600; font-size:15.5px;}
.edu-card .school{color:var(--paper-dim); font-size:14px; margin-top:4px; display:block;}
.edu-card .yrs{font-family:'IBM Plex Mono',monospace; color:var(--slate); font-size:12.5px; white-space:nowrap;}
.divider{border:0; border-top:1px solid var(--line); margin:0;}

/* About */
.about-text p{font-size:1.08rem; color:var(--paper-dim); max-width:680px; margin:0 0 22px;}
.about-text p:first-child{color:var(--paper);}
.photo-strip{display:grid; grid-template-columns:1fr 1fr; gap:4px; background:var(--navy-deep);
  border-top:1px solid var(--line);}
.photo{position:relative; margin:0; aspect-ratio:3/2; overflow:hidden;}
.photo img{width:100%; height:100%; object-fit:cover; object-position:center 15%; display:block;}
.photo::after{content:''; position:absolute; inset:auto 0 0 0; height:45%;
  background:linear-gradient(to top,rgba(16,27,36,.8),transparent);}
.photo figcaption{position:absolute; left:22px; bottom:18px; z-index:2;
  font-family:'IBM Plex Mono',monospace; font-size:12px; letter-spacing:.12em;
  text-transform:uppercase; color:var(--paper);}

/* Contact */
.contact-links{display:flex; flex-wrap:wrap; gap:24px 56px; margin:32px 0 0;}
.contact-item .k{display:block; font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--slate);
  letter-spacing:.08em; text-transform:uppercase; margin-bottom:6px;}
.contact-item .v{color:var(--paper); font-size:1.2rem; font-weight:500;}
.lead-p{color:var(--paper-dim); max-width:520px; margin:14px 0 0; font-size:1.05rem;}

/* Footer */
footer{border-top:1px solid var(--line); background:var(--navy-deep); padding:28px;}
.foot-inner{max-width:var(--max); margin:0 auto; padding:0 28px; display:flex; justify-content:space-between;
  flex-wrap:wrap; gap:10px; color:var(--slate); font-size:12.5px;}
.foot-inner a{color:var(--paper-dim);}

@media (max-width:760px){
  .nav-mark{display:none;}
  .nav-links{width:100%; justify-content:space-between; gap:10px;}
  .wrap{padding:56px 22px;}
  .hero{min-height:640px; align-items:flex-start; padding:56px 22px 280px;}
  .hero-photo{width:100%; height:320px; top:auto; bottom:0;
    -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 45%);
    mask-image:linear-gradient(to bottom,transparent 0,#000 45%);}
  .skills thead{display:none;}
  .skills tbody.area,.skills tr.area-row,.skills tr.area-detail{display:block;}
  .area-row th{display:block; width:auto;}
  .area-row td{display:block; padding:14px 20px 18px;}
  .area-detail td{display:block;}
  .skill-list{grid-template-columns:1fr; gap:18px;}
  .map-figure{padding:0; aspect-ratio:1.81; overflow:hidden;}
  .map-svg{width:165.5%; max-width:none; margin-left:-6.9%; margin-top:-43.1%;}
  .log{padding-left:60px;}
  .log::before{left:28px;}
  .log-depth{display:none;}
  .log-tick{left:-38px;}
  .photo-strip{grid-template-columns:1fr;}
}