:root{
  --bg:#F6F2EA;
  --panel:#FFFFFF;
  --panel-2:#F1EBDE;
  --line:#DAD0BC;
  --line-soft:#E7E0D0;
  --text:#33302A;
  --muted:#6E6656;
  --muted-dim:#9C927C;
  --cyan:#8FA383;
  --amber:#C97C5D;
  --amber-dim:#D9A98D;
  --rose:#C97C94;
  --rose-dim:#E3B9C6;
  --radius:2px;
  --mono:'IBM Plex Mono', ui-monospace, monospace;
  --sans:'IBM Plex Sans', system-ui, sans-serif;
  --display:'Fraunces', Georgia, serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; transition-duration:0.01ms !important;}
}

/* soft watercolor wash */
.bg-grid{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(ellipse 60% 40% at 15% 0%, rgba(143,163,131,0.16), transparent 60%),
    radial-gradient(ellipse 50% 35% at 90% 15%, rgba(201,124,93,0.12), transparent 60%),
    radial-gradient(ellipse 45% 35% at 75% 70%, rgba(201,124,148,0.14), transparent 60%),
    radial-gradient(ellipse 55% 45% at 50% 100%, rgba(143,163,131,0.10), transparent 65%);
}

a{color:inherit;}
a:focus-visible, button:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

.wrap{max-width:920px; margin:0 auto; padding:0 28px; position:relative; z-index:1;}

.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--rose);
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px 0;
}
.eyebrow::before{
  content:"";
  width:8px; height:8px;
  border:1px solid var(--rose);
  transform:rotate(45deg);
  flex-shrink:0;
}

/* NAV */
header.site-nav{
  position:sticky; top:0; z-index:10;
  background:rgba(246,242,234,0.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:920px; margin:0 auto; padding:16px 28px;
  display:flex; justify-content:space-between; align-items:center;
  font-family:var(--mono); font-size:13px;
}
.nav-mark{color:var(--text); text-decoration:none; letter-spacing:0.03em; font-weight:500;}
.nav-mark span{color:var(--amber);}
.nav-links{display:flex; gap:22px; list-style:none; margin:0; padding:0;}
.nav-links a{text-decoration:none; color:var(--muted); transition:color .15s;}
.nav-links a:hover{color:var(--cyan);}
@media (max-width:640px){
  .nav-links{display:none;}
}

/* HERO */
.hero{
  padding:88px 0 64px;
  position:relative;
}
.hero-diagram{
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted-dim);
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:0;
  margin-bottom:28px;
}
.node{
  border:1px solid var(--line);
  padding:5px 12px;
  color:var(--muted);
  background:var(--panel);
  white-space:nowrap;
}
.node.active{color:var(--rose); border-color:var(--rose);}
.arrow{color:var(--line); padding:0 6px; letter-spacing:-1px;}

h1.hero-title{
  font-family:var(--display);
  font-weight:500;
  font-size:clamp(34px, 6vw, 58px);
  line-height:1.08;
  margin:0 0 20px 0;
  letter-spacing:-0.01em;
}
h1.hero-title .accent{color:var(--rose);}
.hero-sub{
  color:var(--muted);
  font-size:17px;
  max-width:600px;
  margin:0 0 32px 0;
}
.hero-meta{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--muted-dim);
  display:flex; flex-wrap:wrap; gap:6px 22px;
  border-top:1px solid var(--line-soft);
  padding-top:20px;
}
.hero-meta strong{color:var(--muted); font-weight:500;}
.hero-actions{
  margin-top:32px;
  display:flex; gap:14px; flex-wrap:wrap;
}
.btn{
  font-family:var(--mono);
  font-size:13px;
  text-decoration:none;
  padding:11px 20px;
  border:1px solid var(--line);
  color:var(--text);
  display:inline-flex; align-items:center; gap:8px;
  transition:border-color .15s, color .15s, background .15s;
  background:none;
  cursor:pointer;
}
.btn:hover{border-color:var(--cyan); color:var(--cyan);}
.btn.primary{
  background:var(--cyan); color:#FFFFFF; border-color:var(--cyan); font-weight:600;
}
.btn.primary:hover{background:#7C9370;}

/* SECTIONS */
section{padding:64px 0; border-top:1px solid var(--line-soft);}
section#about{border-top:none;}
h2.section-title{
  font-family:var(--display);
  font-size:28px;
  font-weight:500;
  margin:0 0 32px 0;
  letter-spacing:-0.005em;
}

/* ABOUT */
.about-grid{display:grid; grid-template-columns: 1.5fr 1fr; gap:48px;}
@media (max-width:720px){.about-grid{grid-template-columns:1fr;}}
.about-text p{color:var(--muted); margin:0 0 16px 0;}
.about-text p:last-child{margin-bottom:0;}
.about-text strong{color:var(--text); font-weight:600;}
.side-panel{
  border:1px solid var(--line);
  background:var(--panel);
  padding:20px 22px;
  height:fit-content;
  box-shadow:0 4px 20px rgba(51,48,42,0.05);
}
.side-panel h3{
  font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--rose); margin:0 0 14px 0;
}
.side-panel ul{list-style:none; margin:0; padding:0; font-size:13.5px;}
.side-panel li{
  display:flex; justify-content:space-between; gap:12px;
  padding:8px 0; border-bottom:1px solid var(--line-soft); color:var(--muted);
}
.side-panel li:last-child{border-bottom:none;}
.side-panel li span:last-child{color:var(--text); text-align:right;}

/* EXPERIENCE */
.job{
  display:grid;
  grid-template-columns: 190px 1fr;
  gap:28px;
  padding:28px 0;
  border-bottom:1px solid var(--line-soft);
}
.job:first-of-type{padding-top:0;}
.job:last-of-type{border-bottom:none; padding-bottom:0;}
@media (max-width:640px){.job{grid-template-columns:1fr; gap:8px;}}
.job-period{
  font-family:var(--mono); font-size:12px; color:var(--muted-dim);
  padding-top:3px;
}
.job-period .dur{display:block; color:var(--muted); margin-top:4px;}
.job-title{font-size:18px; font-weight:600; margin:0 0 2px 0;}
.job-org{color:var(--cyan); font-size:14px; font-family:var(--mono); margin:0 0 14px 0;}
.job ul{margin:0; padding:0 0 0 18px; color:var(--muted);}
.job li{margin-bottom:9px; font-size:14.5px;}
.job li:last-child{margin-bottom:0;}
.job li strong{color:var(--text); font-weight:600;}
.tech-line{
  font-family:var(--mono); font-size:11.5px; color:var(--muted-dim);
  margin-top:14px; padding-top:14px; border-top:1px dashed var(--line-soft);
}

/* PROJECTS */
.project-card{
  border:1px solid var(--line);
  background:var(--panel);
  margin-bottom:20px;
  position:relative;
  overflow:hidden;
  box-shadow:0 4px 20px rgba(51,48,42,0.05);
  text-decoration:none;
  display:block;
}
.project-card.coming-soon{
  opacity:0.45;
  pointer-events:none;
  filter:grayscale(60%);
}
.project-card:last-child{margin-bottom:0;}
.project-head{
  padding:22px 24px 18px;
  display:flex; justify-content:space-between; align-items:flex-start; gap:16px;
  flex-wrap:wrap;
}
.project-head h3{font-size:19px; margin:0 0 6px 0; font-weight:600; color:var(--text);}
.project-tag{
  font-family:var(--mono); font-size:11px; color:var(--rose);
  border:1px solid var(--rose-dim); padding:3px 9px; white-space:nowrap;
  text-transform:uppercase; letter-spacing:.06em;
}
.project-desc{color:var(--muted); font-size:14.5px; margin:0; padding:0 24px 20px;}
.project-flow{
  font-family:var(--mono); font-size:11.5px; color:var(--muted-dim);
  padding:14px 24px; border-top:1px solid var(--line-soft); background:var(--panel-2);
  display:flex; align-items:center; flex-wrap:wrap; gap:2px;
}
.project-flow .fnode{color:var(--cyan);}
.project-impact{
  padding:14px 24px; border-top:1px solid var(--line-soft);
  font-size:13px; color:var(--muted);
}
.project-impact strong{color:var(--text);}
.project-skills{
  padding:14px 24px 20px; display:flex; flex-wrap:wrap; gap:8px;
}
.chip{
  font-family:var(--mono); font-size:11.5px; color:var(--muted);
  border:1px solid var(--line); padding:4px 10px;
}

/* PROJECT FILTER (for the projects index) */
.filter-row{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:28px;}
.filter-btn{
  font-family:var(--mono); font-size:12px; color:var(--muted);
  border:1px solid var(--line); padding:6px 14px; background:var(--panel);
  cursor:pointer; transition:border-color .15s, color .15s;
}
.filter-btn:hover{color:var(--rose); border-color:var(--rose-dim);}
.filter-btn.active{color:#fff; background:var(--rose); border-color:var(--rose);}

/* SKILLS */
.skills-grid{display:grid; grid-template-columns:repeat(2, 1fr); gap:20px;}
@media (max-width:640px){.skills-grid{grid-template-columns:1fr;}}
.skill-block{border:1px solid var(--line); background:var(--panel); padding:18px 20px;}
.skill-block h4{
  font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--cyan); margin:0 0 12px 0;
}
.skill-block p{margin:0; font-size:13.5px; color:var(--muted); line-height:1.7;}

/* EDUCATION */
.edu-item{padding:16px 0; border-bottom:1px solid var(--line-soft); display:flex; gap:20px; justify-content:space-between; flex-wrap:wrap;}
.edu-item:last-child{border-bottom:none;}
.edu-item h4{margin:0 0 4px 0; font-size:15px; font-weight:600;}
.edu-item p{margin:0; font-size:13.5px; color:var(--muted);}
.edu-year{font-family:var(--mono); font-size:12px; color:var(--muted-dim); white-space:nowrap;}

/* PROJECT DETAIL PAGE */
.project-detail-head{padding:56px 0 32px;}
.project-detail-head h1{
  font-family:var(--display); font-size:clamp(28px,4vw,40px); font-weight:500;
  margin:14px 0; letter-spacing:-0.01em;
}
.project-detail-meta{
  font-family:var(--mono); font-size:12px; color:var(--muted-dim);
  display:flex; gap:20px; flex-wrap:wrap; margin-bottom:8px;
}
.back-link{
  font-family:var(--mono); font-size:12.5px; color:var(--muted); text-decoration:none;
  display:inline-flex; align-items:center; gap:6px; margin-bottom:24px;
}
.back-link:hover{color:var(--rose);}
.project-detail-body{padding-bottom:64px;}
.project-detail-body p{color:var(--muted); font-size:15px;}
.project-detail-body h2, .project-detail-body h3{
  font-family:var(--display); font-weight:500; margin-top:36px;
}
.project-detail-body ul{color:var(--muted); font-size:14.5px;}
.project-detail-body img{max-width:100%; border:1px solid var(--line); margin:16px 0;}

/* FOOTER / CONTACT */
footer{padding:64px 0 48px; text-align:center;}
.contact-title{font-family:var(--display); font-size:30px; font-weight:500; margin:0 0 12px 0;}
footer p.sub{color:var(--muted); margin:0 0 30px 0;}
.contact-row{
  display:flex; justify-content:center; gap:14px; flex-wrap:wrap; margin-bottom:48px;
}
.copyright{font-family:var(--mono); font-size:11.5px; color:var(--muted-dim);}

.reveal{opacity:0; transform:translateY(14px); transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1; transform:translateY(0);}