:root{
  --ink:#12201c;
  --paper:#eef1ea;
  --paper-2:#e2e7dc;
  --signal:#2f6f4f;
  --signal-bright:#4fae7a;
  --wire:#c9d2bf;
  --amber:#c17d2e;
  --display:"Fraunces","Georgia",serif;
  --body:"Inter","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.55;
}
a{color:var(--signal);}
.wrap{max-width:960px;margin:0 auto;padding:0 28px;}

.pulse-bg{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(var(--wire) 1px, transparent 1px);
  background-size:100% 44px;
  opacity:.35;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 85%);
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

/* Top navigation */
nav.topnav{
  border-bottom:1px solid var(--wire);
  position:sticky;top:0;background:var(--paper);z-index:10;
}
nav.topnav .wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:20px;padding-bottom:20px;flex-wrap:wrap;gap:14px;
}
nav.topnav .brand{
  font-family:var(--display);font-weight:600;font-size:20px;color:var(--ink);
  text-decoration:none;
}
nav.topnav .links{
  display:flex;gap:26px;flex-wrap:wrap;
}
nav.topnav .links a{
  font-family:var(--mono);font-size:13px;text-transform:uppercase;letter-spacing:.06em;
  color:#57685f;text-decoration:none;padding-bottom:3px;border-bottom:2px solid transparent;
}
nav.topnav .links a:hover{color:var(--ink);}
nav.topnav .links a.active{color:var(--signal);border-bottom-color:var(--signal);}

header.page-head{
  padding:56px 0 40px;
  border-bottom:1px solid var(--wire);
}
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--signal);
  margin-bottom:18px;
}
h1{
  font-family:var(--display);
  font-weight:600;
  font-size:clamp(34px,5.5vw,54px);
  line-height:1.05;
  margin:0 0 16px;
  letter-spacing:-.01em;
}
.tagline{
  font-size:18px;
  max-width:600px;
  color:#2c3b34;
  margin-bottom:0;
}
.stat-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  margin-top:36px;
  border-top:1px solid var(--wire);
}
.stat{padding:18px 20px 0 0;border-right:1px solid var(--wire);}
.stat:last-child{border-right:none;}
.stat .num{font-family:var(--mono);font-size:26px;color:var(--signal);display:block;}
.stat .label{font-size:12.5px;color:#57685f;text-transform:uppercase;letter-spacing:.06em;}

.contact-links{display:flex;gap:18px;margin-top:26px;flex-wrap:wrap;}
.btn{
  font-family:var(--mono);
  font-size:13px;
  text-decoration:none;
  padding:10px 16px;
  border:1px solid var(--ink);
  border-radius:2px;
  color:var(--ink);
  transition:.15s;
  display:inline-block;
  cursor:pointer;
  background:none;
}
.btn:hover{background:var(--ink);color:var(--paper);}
.btn.primary{background:var(--signal);border-color:var(--signal);color:#fff;}
.btn.primary:hover{background:var(--signal-bright);border-color:var(--signal-bright);}

main section{padding:56px 0;border-bottom:1px solid var(--wire);}
main section:last-of-type{border-bottom:none;}
.sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:32px;}
.sec-num{font-family:var(--mono);color:var(--amber);font-size:13px;}
h2{font-family:var(--display);font-size:28px;margin:0;font-weight:600;}

/* About */
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;}
@media(max-width:720px){.about-grid{grid-template-columns:1fr;}}
.about-grid p{margin:0 0 16px;}
.facts{background:var(--paper-2);border:1px solid var(--wire);border-radius:6px;padding:20px 22px;}
.facts dt{font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:#57685f;margin-top:14px;}
.facts dt:first-child{margin-top:0;}
.facts dd{margin:3px 0 0;font-size:15px;}

/* Skills */
.skill-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;}
.skill-card{background:var(--paper-2);border:1px solid var(--wire);border-radius:6px;padding:16px 18px;}
.skill-card .k{font-family:var(--mono);font-size:11px;color:var(--signal);text-transform:uppercase;letter-spacing:.08em;}
.skill-card .v{font-size:15px;margin-top:6px;}

/* Timeline */
.tl{border-left:2px solid var(--wire);margin-left:6px;}
.tl-item{position:relative;padding:0 0 32px 28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-7px;top:4px;
  width:12px;height:12px;border-radius:50%;
  background:var(--paper);border:2px solid var(--signal);
}
.tl-date{font-family:var(--mono);font-size:12px;color:var(--amber);}
.tl-title{font-weight:600;font-size:17px;margin:4px 0 6px;}
.tl-desc{font-size:15px;color:#33443c;}
.tl-desc a{font-family:var(--mono);font-size:12.5px;}

/* Project */
.project-card{background:var(--paper-2);border:1px solid var(--wire);border-radius:8px;padding:28px;margin-bottom:24px;}
.project-card:last-child{margin-bottom:0;}
.project-card h3{font-family:var(--display);font-size:22px;margin:0 0 10px;}
.tag{
  display:inline-block;font-family:var(--mono);font-size:11px;
  background:var(--signal);color:#fff;padding:3px 9px;border-radius:20px;
  margin-right:6px;margin-bottom:10px;
}
.project-links{margin-top:14px;display:flex;gap:14px;font-family:var(--mono);font-size:13px;}

footer{
  padding:40px 0 60px;
  font-family:var(--mono);
  font-size:13px;
  color:#57685f;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
}
footer a{color:var(--signal);}

::selection{background:var(--signal-bright);color:#fff;}

/* Scroll fade-in animations */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
}

/* Staggered children within a revealed section */
.reveal-stagger > *{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s ease, transform .5s ease;
}
.reveal-stagger.is-visible > *{
  opacity:1;
  transform:translateY(0);
}
.reveal-stagger.is-visible > *:nth-child(1){transition-delay:.05s;}
.reveal-stagger.is-visible > *:nth-child(2){transition-delay:.12s;}
.reveal-stagger.is-visible > *:nth-child(3){transition-delay:.19s;}
.reveal-stagger.is-visible > *:nth-child(4){transition-delay:.26s;}
.reveal-stagger.is-visible > *:nth-child(5){transition-delay:.33s;}
.reveal-stagger.is-visible > *:nth-child(6){transition-delay:.40s;}
.reveal-stagger.is-visible > *:nth-child(7){transition-delay:.47s;}

/* Smoother hover lift on cards */
.skill-card, .project-card, .tl-item, .facts{
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.skill-card:hover, .project-card:hover{
  transform:translateY(-3px);
  border-color:var(--signal);
  box-shadow:0 8px 20px -12px rgba(18,32,28,.25);
}

/* Nav link underline animation */
nav.topnav .links a{position:relative;}
nav.topnav .links a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-3px;
  height:2px;background:var(--signal);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
nav.topnav .links a:hover::after{transform:scaleX(1);}
nav.topnav .links a.active::after{transform:scaleX(1);}

/* Animated stat numbers */
.stat .num{transition:color .2s ease;}
.stat:hover .num{color:var(--signal-bright);}

/* Button micro-interaction */
.btn{transition:background .15s ease, color .15s ease, transform .12s ease, border-color .15s ease;}
.btn:active{transform:scale(.97);}

/* Profile photo */
.profile-photo{
  width:132px;height:132px;border-radius:50%;
  object-fit:cover;
  border:3px solid var(--signal);
  box-shadow:0 10px 24px -12px rgba(18,32,28,.35);
  margin-bottom:20px;
  transition:transform .3s ease;
}
.profile-photo:hover{transform:scale(1.04);}

.profile-photo-lg{
  width:100%;max-width:280px;aspect-ratio:1/1;border-radius:16px;
  object-fit:cover;
  border:3px solid var(--wire);
  box-shadow:0 14px 30px -16px rgba(18,32,28,.3);
}

@media (prefers-reduced-motion: reduce){
  .reveal, .reveal-stagger > *{
    opacity:1 !important;transform:none !important;transition:none !important;
  }
}


/* Contact form */
.contact-form{max-width:480px;}
.form-row{margin-bottom:18px;display:flex;flex-direction:column;}
.form-row label{
  font-family:var(--mono);font-size:11.5px;text-transform:uppercase;
  letter-spacing:.08em;color:#57685f;margin-bottom:6px;
}
.form-row input, .form-row textarea{
  font-family:var(--body);font-size:15px;
  padding:10px 12px;border:1px solid var(--wire);border-radius:4px;
  background:var(--paper-2);color:var(--ink);
  resize:vertical;
}
.form-row input:focus, .form-row textarea:focus{outline:none;border-color:var(--signal);}
.contact-form .btn{border:none;cursor:pointer;font-family:var(--mono);}

/* simple page intro (used on sub-pages without full hero) */
.page-intro{padding:48px 0 32px;border-bottom:1px solid var(--wire);}
.page-intro h1{font-size:clamp(30px,4.5vw,42px);}