:root{
  --bg:        #0B0F14;
  --bg-alt:    #0F141B;
  --surface:   #151C25;
  --surface-2: #1B2430;
  --border:    #26313F;
  --text:      #E9ECEF;
  --text-dim:  #97A2B0;
  --text-faint:#5D6875;
  --accent:    #C9A24B;   /* brass / amber */
  --accent-2:  #5B93AC;   /* steel signal blue */
  --ok:        #6FA98A;   /* status green, used sparingly */
  --radius:    10px;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'Inter', -apple-system, sans-serif;
  --maxw: 1120px;

  --header-bg: rgba(11,15,20,0.78);
  --dot-color: rgba(255,255,255,0.035);
  --selection-text: #161116;
  --btn-primary-text: #161116;
  --btn-primary-hover: #dcb45f;
  --terminal-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
  --terminal-dot: #3a4552;
}

html[data-theme="light"]{
  --bg:        #F6F3EC;
  --bg-alt:    #FFFFFF;
  --surface:   #FFFFFF;
  --surface-2: #F0ECE1;
  --border:    #E1DACB;
  --text:      #1B2430;
  --text-dim:  #4E5966;
  --text-faint:#7C8794;
  --accent:    #A9812F;   /* darker brass for AA contrast on light */
  --accent-2:  #2F6E8C;   /* darker steel blue for AA contrast on light */
  --ok:        #3E8A67;

  --header-bg: rgba(246,243,236,0.82);
  --dot-color: rgba(0,0,0,0.045);
  --selection-text: #FFFFFF;
  --btn-primary-text: #FFFFFF;
  --btn-primary-hover: #8C6A22;
  --terminal-shadow: 0 30px 60px -20px rgba(27,36,48,0.18);
  --terminal-dot: #D8D0BE;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background 0.25s ease, color 0.25s ease;
}
body{
  background-image:
    radial-gradient(circle at 1px 1px, var(--dot-color) 1px, transparent 0);
  background-size: 28px 28px;
}

::selection{ background:var(--accent); color:var(--selection-text); }

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

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  font-family:var(--mono);
  font-size:0.8rem;
  color:var(--accent-2);
  letter-spacing:0.02em;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:16px; height:1px;
  background:var(--accent-2);
  display:inline-block;
}

/* ---------- NAV ---------- */
header{
  position:fixed; top:0; left:0; right:0;
  z-index:100;
  background:var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}
nav.wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
  gap:16px;
}
.brand{
  font-family:var(--mono);
  font-weight:600;
  font-size:0.95rem;
  display:flex;
  align-items:center;
  gap:8px;
}
.brand .dot{
  width:8px; height:8px; border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 8px var(--ok);
  flex-shrink:0;
}
.nav-links{
  display:flex;
  gap:32px;
  font-size:0.88rem;
  font-family:var(--mono);
  margin-left:auto;
}
.nav-links a{
  color:var(--text-dim);
  position:relative;
  padding:4px 0;
  transition:color 0.2s ease;
}
.nav-links a:hover{ color:var(--text); }
.nav-links a::after{
  content:"";
  position:absolute; left:0; bottom:-2px;
  width:0; height:1px;
  background:var(--accent);
  transition:width 0.2s ease;
}
.nav-links a:hover::after{ width:100%; }

.nav-cta{
  font-family:var(--mono);
  font-size:0.82rem;
  border:1px solid var(--accent);
  color:var(--accent);
  padding:8px 16px;
  border-radius:6px;
  transition:background 0.2s ease, color 0.2s ease;
}
.nav-cta:hover{ background:var(--accent); color:var(--btn-primary-text); }

.theme-toggle{
  display:flex;
  align-items:center;
  justify-content:center;
  width:36px; height:36px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text-dim);
  border-radius:6px;
  cursor:pointer;
  font-size:0.95rem;
  transition:border-color 0.2s ease, color 0.2s ease;
  flex-shrink:0;
}
.theme-toggle:hover{ border-color:var(--accent-2); color:var(--accent-2); }
.theme-toggle .fa-sun{ display:none; }
html[data-theme="light"] .theme-toggle .fa-sun{ display:inline; }
html[data-theme="light"] .theme-toggle .fa-moon{ display:none; }

.nav-toggle{
  display:none;
  background:none; border:none; color:var(--text);
  font-size:1.4rem; cursor:pointer;
}

.mobile-menu{ display:none; }

@media (max-width:860px){
  .nav-links, .nav-cta{ display:none; }
  .nav-toggle{ display:block; }
  .mobile-menu{
    flex-direction:column;
    gap:0;
    background:var(--bg-alt);
    border-bottom:1px solid var(--border);
  }
  .mobile-menu.open{ display:flex; }
  .mobile-menu a{
    padding:16px 28px;
    border-top:1px solid var(--border);
    font-family:var(--mono);
    font-size:0.9rem;
    color:var(--text-dim);
  }
  .mobile-menu a.cta{ color:var(--accent); }
}

/* ---------- HERO ---------- */
.hero{
  padding:150px 0 90px;
  position:relative;
}
.hero .wrap{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-family:var(--mono);
  font-size:clamp(1.8rem, 3.6vw, 2.7rem);
  font-weight:700;
  line-height:1.25;
  margin-bottom:18px;
  color:var(--text);
}
.hero h1 .accent{ color:var(--accent); }
.hero p.lede{
  color:var(--text-dim);
  font-size:1.05rem;
  max-width:46ch;
  margin-bottom:28px;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.btn{
  font-family:var(--mono);
  font-size:0.88rem;
  padding:13px 22px;
  border-radius:6px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
  border:1px solid transparent;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{
  background:var(--accent);
  color:var(--btn-primary-text);
  font-weight:600;
}
.btn-primary:hover{ background:var(--btn-primary-hover); }
.btn-ghost{
  border-color:var(--border);
  color:var(--text);
}
.btn-ghost:hover{ border-color:var(--accent-2); color:var(--accent-2); }

/* terminal card */
.terminal{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;
  overflow:hidden;
  box-shadow:var(--terminal-shadow);
}
.terminal-bar{
  display:flex;
  align-items:center;
  gap:8px;
  padding:12px 16px;
  background:var(--surface-2);
  border-bottom:1px solid var(--border);
}
.terminal-bar span{
  width:11px; height:11px; border-radius:50%;
  background:var(--terminal-dot);
}
.terminal-bar .path{
  margin-left:10px;
  font-family:var(--mono);
  font-size:0.76rem;
  color:var(--text-faint);
}
.terminal-body{
  padding:22px 20px;
  font-family:var(--mono);
  font-size:0.84rem;
  line-height:1.85;
  overflow-x:auto;
}
.terminal-body .cmd{ color:var(--accent-2); }
.terminal-body .key{ color:var(--accent-2); }
.terminal-body .str{ color:var(--accent); }
.terminal-body .num{ color:var(--ok); }
.terminal-body .punc{ color:var(--text-faint); }
.terminal-body .comment{ color:var(--text-faint); }
.cursor{
  display:inline-block;
  width:7px; height:14px;
  background:var(--accent);
  margin-left:2px;
  animation:blink 1s steps(1) infinite;
  vertical-align:middle;
}
@keyframes blink{ 50%{ opacity:0; } }

/* ---------- SECTION SHELL ---------- */
section{ padding:90px 0; }
.section-head{ margin-bottom:44px; max-width:640px; }
.section-head h2{
  font-family:var(--sans);
  font-weight:800;
  font-size:clamp(1.5rem, 3vw, 2.1rem);
  color:var(--text);
}
.section-head p{
  color:var(--text-dim);
  margin-top:10px;
  font-size:0.98rem;
}
.divider{
  border:none;
  border-top:1px solid var(--border);
}

/* ---------- ABOUT ---------- */
.about{
  display:grid;
  grid-template-columns: 240px 1fr;
  gap:52px;
  align-items:start;
}
.avatar-wrap{
  position:relative;
}
.avatar-wrap img{
  border-radius:12px;
  border:1px solid var(--border);
  filter:grayscale(15%);
}
.avatar-tag{
  margin-top:14px;
  font-family:var(--mono);
  font-size:0.76rem;
  color:var(--text-faint);
  display:flex; align-items:center; gap:8px;
}
.avatar-tag .dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 6px var(--ok);
}
.about-text p{
  color:var(--text-dim);
  margin-bottom:16px;
  font-size:1rem;
}
.about-text strong{ color:var(--text); font-weight:600; }

.facts{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:16px;
  margin-top:28px;
}
.fact{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:10px;
  padding:16px 18px;
}
.fact .n{
  font-family:var(--mono);
  font-size:1.5rem;
  color:var(--accent);
  font-weight:700;
}
.fact .l{
  font-size:0.78rem;
  color:var(--text-dim);
  margin-top:4px;
}

/* ---------- EXPERIENCE ---------- */
.timeline{
  position:relative;
  padding-left:28px;
  border-left:1px solid var(--border);
}
.tl-item{
  position:relative;
  padding-bottom:44px;
}
.tl-item:last-child{ padding-bottom:0; }
.tl-item::before{
  content:"";
  position:absolute;
  left:-33px; top:4px;
  width:10px; height:10px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--accent-2);
}
.tl-item.current::before{
  background:var(--ok);
  border-color:var(--ok);
  box-shadow:0 0 0 4px rgba(111,169,138,0.15);
}
.tl-head{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px 20px;
  align-items:baseline;
  margin-bottom:6px;
}
.tl-role{ font-size:1.08rem; font-weight:700; color:var(--text); }
.tl-org{ color:var(--accent-2); font-size:0.92rem; margin-bottom:10px; }
.tl-date{
  font-family:var(--mono);
  font-size:0.78rem;
  color:var(--text-faint);
  white-space:nowrap;
}
.badge-current{
  font-family:var(--mono);
  font-size:0.68rem;
  color:var(--ok);
  border:1px solid rgba(111,169,138,0.4);
  padding:2px 8px;
  border-radius:20px;
  margin-left:8px;
}
.tl-item ul{ margin-top:6px; }
.tl-item li{
  color:var(--text-dim);
  font-size:0.94rem;
  position:relative;
  padding-left:18px;
  margin-bottom:6px;
}
.tl-item li::before{
  content:"›";
  position:absolute; left:0; color:var(--accent);
}

/* ---------- PROJECTS ---------- */
.project-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:22px;
}
.project-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;
  padding:26px;
  transition:border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  display:flex;
  flex-direction:column;
  height:100%;
  cursor:pointer;
}
.project-card:hover,
.project-card:focus-visible{
  border-color:var(--accent-2);
  transform:translateY(-4px);
  box-shadow:0 16px 32px -18px rgba(0,0,0,0.35);
}
.project-card:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; }

.project-link{
  margin-top:16px;
  font-family:var(--mono);
  font-size:0.8rem;
  color:var(--accent-2);
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:gap 0.2s ease, color 0.2s ease;
}
.project-card:hover .project-link,
.project-card:focus-visible .project-link{
  gap:12px;
  color:var(--accent);
}
.project-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  margin-bottom:14px;
}
.project-icon{
  width:38px; height:38px;
  border-radius:8px;
  background:var(--surface-2);
  border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  color:var(--accent);
  font-size:1rem;
}
.project-date{
  font-family:var(--mono);
  font-size:0.72rem;
  color:var(--text-faint);
}
.project-card h3{
  font-size:1.08rem;
  margin-bottom:10px;
  color:var(--text);
}
.project-card p{
  color:var(--text-dim);
  font-size:0.92rem;
  margin-bottom:16px;
  flex-grow:1;
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag{
  font-family:var(--mono);
  font-size:0.7rem;
  color:var(--accent-2);
  border:1px solid rgba(91,147,172,0.35);
  padding:3px 9px;
  border-radius:20px;
}

/* ---------- PROJECT MODAL ---------- */
.modal-overlay{
  position:fixed;
  inset:0;
  z-index:200;
  background:rgba(6,8,11,0.68);
  backdrop-filter:blur(4px);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  opacity:0;
  visibility:hidden;
  transition:opacity 0.25s ease;
}
.modal-overlay.open{
  opacity:1;
  visibility:visible;
}
.modal-overlay[hidden]{ display:none; }

.modal-box{
  background:var(--bg-alt);
  border:1px solid var(--border);
  border-radius:16px;
  max-width:720px;
  width:100%;
  max-height:88vh;
  overflow-y:auto;
  position:relative;
  transform:translateY(16px) scale(0.98);
  transition:transform 0.25s ease;
  box-shadow:0 40px 80px -24px rgba(0,0,0,0.55);
}
.modal-overlay.open .modal-box{
  transform:translateY(0) scale(1);
}

.modal-close{
  position:absolute;
  top:14px; right:14px;
  z-index:2;
  width:36px; height:36px;
  border-radius:50%;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
  font-size:1rem;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:border-color 0.2s ease, color 0.2s ease;
}
.modal-close:hover{ border-color:var(--accent); color:var(--accent); }

.modal-media{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  background:var(--surface-2);
  border-bottom:1px solid var(--border);
  overflow:hidden;
  border-radius:16px 16px 0 0;
}
.modal-media-img{
  width:100%; height:100%;
  object-fit:cover;
  display:block;
}
.modal-media-img[hidden]{ display:none; }
.modal-media-fallback{
  position:absolute; inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:2.4rem;
  color:var(--text-faint);
  background:
    radial-gradient(circle at 30% 20%, rgba(201,162,75,0.12), transparent 55%),
    radial-gradient(circle at 80% 80%, rgba(91,147,172,0.12), transparent 55%);
}
.modal-media-fallback[hidden]{ display:none; }

.modal-thumbs{
  display:flex;
  gap:8px;
  padding:12px 24px 0;
  overflow-x:auto;
}
.modal-thumbs:empty{ display:none; }
.modal-thumbs img{
  width:64px; height:44px;
  object-fit:cover;
  border-radius:6px;
  border:1px solid var(--border);
  cursor:pointer;
  flex-shrink:0;
  opacity:0.65;
  transition:opacity 0.2s ease, border-color 0.2s ease;
}
.modal-thumbs img:hover{ opacity:1; }
.modal-thumbs img.active{ opacity:1; border-color:var(--accent); }

.modal-body{ padding:24px; }
.modal-head{
  display:flex;
  align-items:center;
  gap:16px;
  margin-bottom:18px;
}
.modal-head h3{
  font-size:1.25rem;
  color:var(--text);
  margin-top:2px;
}
.modal-overview{
  color:var(--text-dim);
  font-size:0.96rem;
  margin-bottom:22px;
}
.modal-subhead{
  font-family:var(--mono);
  font-size:0.78rem;
  text-transform:uppercase;
  letter-spacing:0.04em;
  color:var(--accent-2);
  margin-bottom:10px;
}
.modal-features{
  margin-bottom:22px;
}
.modal-features li{
  color:var(--text-dim);
  font-size:0.92rem;
  position:relative;
  padding-left:18px;
  margin-bottom:8px;
}
.modal-features li::before{
  content:"›";
  position:absolute; left:0; color:var(--accent);
}
.modal-links{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:22px;
}

@media (max-width:560px){
  .modal-overlay{ padding:0; }
  .modal-box{ max-height:100vh; height:100%; border-radius:0; }
  .modal-media{ border-radius:0; }
}

/* ---------- SKILLS ---------- */
.skills-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:22px;
}
.skill-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;
  padding:22px;
}
.skill-card h4{
  font-family:var(--mono);
  font-size:0.8rem;
  color:var(--accent-2);
  text-transform:uppercase;
  letter-spacing:0.04em;
  margin-bottom:14px;
}
.pill-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.pill{
  background:var(--surface-2);
  border:1px solid var(--border);
  color:var(--text-dim);
  font-size:0.82rem;
  padding:6px 12px;
  border-radius:6px;
}

/* ---------- CERTS ---------- */
.cert-list{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:16px;
}
.cert-item{
  display:flex;
  gap:16px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:10px;
  padding:18px 20px;
}
.cert-item i{
  color:var(--accent);
  font-size:1.1rem;
  margin-top:2px;
}
.cert-item h4{
  font-size:0.95rem;
  color:var(--text);
  margin-bottom:4px;
}
.cert-item .cert-date{
  font-family:var(--mono);
  font-size:0.72rem;
  color:var(--text-faint);
}
.cert-item p{
  color:var(--text-dim);
  font-size:0.84rem;
  margin-top:6px;
}

/* ---------- EDUCATION + LANGUAGES ---------- */
.split-2{
  display:grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap:60px;
}
.edu-item{
  padding-bottom:26px;
  margin-bottom:26px;
  border-bottom:1px solid var(--border);
}
.edu-item:last-child{ border-bottom:none; margin-bottom:0; padding-bottom:0; }
.edu-item .tl-date{ margin-bottom:4px; display:block; }
.edu-item h4{ font-size:1rem; color:var(--text); margin-bottom:2px; }
.edu-item .school{ color:var(--accent-2); font-size:0.88rem; margin-bottom:8px; }
.edu-item p{ color:var(--text-dim); font-size:0.88rem; }

.lang-item{
  margin-bottom:18px;
}
.lang-item .lang-head{
  display:flex; justify-content:space-between;
  font-size:0.92rem;
  margin-bottom:6px;
}
.lang-item .lang-head span:first-child{ color:var(--text); font-weight:600; }
.lang-item .lang-head span:last-child{ color:var(--text-faint); font-family:var(--mono); font-size:0.74rem; }
.lang-bar{
  height:5px;
  background:var(--surface-2);
  border-radius:4px;
  overflow:hidden;
  border:1px solid var(--border);
}
.lang-bar i{
  display:block; height:100%;
  background:linear-gradient(90deg, var(--accent-2), var(--accent));
  border-radius:4px;
}

/* ---------- CONTACT ---------- */
.contact-panel{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  padding:56px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.contact-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 50% 0%, rgba(201,162,75,0.09), transparent 60%);
  pointer-events:none;
}
.contact-panel h2{
  font-size:clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom:14px;
}
.contact-panel p{
  color:var(--text-dim);
  max-width:50ch;
  margin:0 auto 30px;
}
.contact-links{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}
.contact-links a{
  display:flex;
  align-items:center;
  gap:10px;
  background:var(--surface-2);
  border:1px solid var(--border);
  padding:12px 20px;
  border-radius:8px;
  font-size:0.9rem;
  transition:border-color 0.2s ease, color 0.2s ease;
}
.contact-links a:hover{
  border-color:var(--accent);
  color:var(--accent);
}
.contact-links i{ color:var(--accent-2); }

footer{
  padding:36px 0;
  text-align:center;
  font-family:var(--mono);
  font-size:0.78rem;
  color:var(--text-faint);
  border-top:1px solid var(--border);
}

/* reveal-on-scroll */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in{
  opacity:1;
  transform:translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:900px){
  .hero .wrap{ grid-template-columns:1fr; }
  .about{ grid-template-columns:1fr; }
  .avatar-wrap{ width:150px; }
  .facts{ grid-template-columns:repeat(3,1fr); }
  .project-grid{ grid-template-columns:1fr; }
  .skills-grid{ grid-template-columns:1fr 1fr; }
  .cert-list{ grid-template-columns:1fr; }
  .split-2{ grid-template-columns:1fr; gap:40px; }
}
@media (max-width:560px){
  .wrap{ padding:0 20px; }
  .hero{ padding:120px 0 60px; }
  .facts{ grid-template-columns:1fr 1fr; }
  .skills-grid{ grid-template-columns:1fr; }
  .contact-panel{ padding:34px 22px; }
  section{ padding:64px 0; }
}