/* ===================================================================
   TOKENS
=================================================================== */
:root{
  /* dark theme (default) */
  --ink:        #1B1A17;
  --ink-2:      #232019;
  --ivory:      #F3EEE3;
  --ivory-dim:  #C9C2B2;
  --forest:     #4C7259;
  --forest-dim: #2F4A3C;
  --bronze:     #C9924F;
  --bronze-dim: #A8763E;
  --teal:       #5C8A87;

  --bg:         var(--ink);
  --bg-2:       var(--ink-2);
  --text:       var(--ivory);
  --text-dim:   var(--ivory-dim);
  --accent:     var(--bronze);
  --accent-2:   var(--forest);
  --line:       rgba(243,238,227,0.14);
  --line-soft:  rgba(243,238,227,0.08);
  --shadow:     0 20px 60px rgba(0,0,0,0.35);

  --font-display: "Fraunces", Georgia, serif;
  --font-body:    "Space Grotesk", -apple-system, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  --container: 1180px;
  --radius: 6px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

html[data-theme="light"]{
  --bg:        var(--ivory);
  --bg-2:      #EAE3D3;
  --text:      var(--ink);
  --text-dim:  #5B554A;
  --accent:    var(--bronze-dim);
  --accent-2:  var(--forest-dim);
  --line:      rgba(27,26,23,0.12);
  --line-soft: rgba(27,26,23,0.07);
  --shadow:    0 20px 50px rgba(27,26,23,0.10);
}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background .5s var(--ease), color .5s var(--ease);
  overflow-x:hidden;
}

.container{ max-width:var(--container); margin:0 auto; padding:0 32px; }
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
kbd{ font-family:var(--font-mono); font-size:.72rem; padding:2px 6px; border:1px solid var(--line); border-radius:4px; background:var(--bg-2); }
.visually-hidden{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--accent); color:var(--ink);
  padding:10px 16px; z-index:999; font-family:var(--font-mono); font-size:.85rem;
}
.skip-link:focus{ left:12px; top:12px; }

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

/* subtle grain/texture, very light */
.hero__grain{
  position:absolute; inset:0; pointer-events:none; opacity:.05; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===================================================================
   LOADER
=================================================================== */
.loader{
  position:fixed; inset:0; z-index:2000; background:var(--ink); color:var(--ivory);
  display:flex; align-items:center; justify-content:center;
  transition:opacity .6s var(--ease), visibility .6s var(--ease);
}
.loader.is-hidden{ opacity:0; visibility:hidden; pointer-events:none; }
.loader__inner{ font-family:var(--font-mono); display:flex; align-items:center; gap:10px; font-size:.95rem; }
.loader__prompt{ color:var(--bronze); }
.loader__bar{ width:140px; height:2px; background:rgba(243,238,227,0.15); position:relative; overflow:hidden; }
.loader__fill{ position:absolute; left:0; top:0; bottom:0; width:0%; background:var(--bronze); transition:width .25s linear; }
.loader__pct{ color:var(--ivory-dim); width:38px; }

/* ===================================================================
   CUSTOM CURSOR
=================================================================== */
.cursor-dot,.cursor-ring{ position:fixed; top:0; left:0; pointer-events:none; z-index:1900; border-radius:50%; transform:translate(-50%,-50%); }
.cursor-dot{ width:5px; height:5px; background:var(--accent); }
.cursor-ring{ width:30px; height:30px; border:1px solid var(--line); transition:transform .15s var(--ease), border-color .15s; }
.cursor-ring.is-active{ transform:translate(-50%,-50%) scale(1.6); border-color:var(--accent); }
@media (hover:none), (max-width:820px){ .cursor-dot,.cursor-ring{ display:none; } }

/* ===================================================================
   SCROLL PROGRESS
=================================================================== */
.scroll-progress{ position:fixed; top:0; left:0; height:2px; width:0%; background:var(--accent); z-index:1500; transition:width .1s linear; }

/* ===================================================================
   NAV
=================================================================== */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  border-bottom:1px solid transparent;
  transition:border-color .4s, background .4s;
}
.nav.is-scrolled{ background:color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter:blur(10px); border-color:var(--line); }
.nav__inner{ max-width:var(--container); margin:0 auto; padding:18px 32px; display:flex; align-items:center; justify-content:space-between; }
.nav__mark{ font-family:var(--font-display); font-weight:600; font-size:1.2rem; letter-spacing:.02em; }
.nav__mark-dot{ color:var(--accent); }
.nav__links{ display:flex; gap:28px; font-size:.88rem; }
.nav__links a{ opacity:.8; position:relative; }
.nav__links a:hover{ opacity:1; }
.nav__links a::after{ content:""; position:absolute; left:0; right:0; bottom:-6px; height:1px; background:var(--accent); transform:scaleX(0); transition:transform .25s var(--ease); }
.nav__links a:hover::after{ transform:scaleX(1); }
.nav__actions{ display:flex; align-items:center; gap:14px; }
.nav__cmd{
  font-family:var(--font-mono); font-size:.78rem; display:flex; align-items:center; gap:8px;
  background:none; border:1px solid var(--line); color:var(--text-dim); padding:7px 10px; border-radius:var(--radius); cursor:pointer;
}
.nav__cmd:hover{ border-color:var(--accent); color:var(--text); }
.nav__theme{ background:none; border:1px solid var(--line); width:34px; height:34px; border-radius:50%; cursor:pointer; position:relative; color:var(--text); }
.theme-icon{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-size:.9rem; transition:opacity .3s, transform .3s; }
html[data-theme="dark"] .theme-icon--sun{ opacity:0; transform:scale(.4) rotate(45deg); }
html[data-theme="light"] .theme-icon--moon{ opacity:0; transform:scale(.4) rotate(-45deg); }
.nav__burger{ display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; }
.nav__burger span{ width:22px; height:1.5px; background:var(--text); }

.mobile-menu{
  position:fixed; top:0; right:0; height:100vh; width:min(320px,80vw); background:var(--bg-2); z-index:999;
  display:flex; flex-direction:column; gap:22px; padding:100px 32px; transform:translateX(100%); transition:transform .4s var(--ease);
  border-left:1px solid var(--line); font-family:var(--font-display); font-size:1.3rem;
}
.mobile-menu.is-open{ transform:translateX(0); }

@media (max-width:900px){
  .nav__links{ display:none; }
  .nav__burger{ display:flex; }
}

/* ===================================================================
   BUTTONS
=================================================================== */
.btn{ font-family:var(--font-body); font-weight:600; font-size:.92rem; padding:13px 24px; border-radius:3px; display:inline-flex; align-items:center; gap:8px; cursor:pointer; border:1px solid transparent; transition:transform .2s var(--ease), background .25s, color .25s, border-color .25s; }
.btn--solid{ background:var(--accent); color:var(--ink); }
.btn--solid:hover{ transform:translateY(-2px); background:var(--bronze); }
.btn--ghost{ border-color:var(--line); color:var(--text); }
.btn--ghost:hover{ border-color:var(--accent); color:var(--accent); }

/* ===================================================================
   HERO
=================================================================== */
.hero{ position:relative; min-height:100vh; display:flex; flex-direction:column; justify-content:center; padding:140px 32px 60px; overflow:hidden; }
.hero__grid{ max-width:var(--container); margin:0 auto; width:100%; display:grid; grid-template-columns:1.25fr 1fr; gap:64px; align-items:center; }
.hero__eyebrow{ font-family:var(--font-mono); font-size:.82rem; color:var(--accent); letter-spacing:.04em; margin-bottom:22px; }
.hero__title{ font-family:var(--font-display); font-size:clamp(2.1rem, 4vw, 3.4rem); line-height:1.15; font-weight:500; margin:0 0 26px; letter-spacing:-.01em; }
.hero__title em{ font-style:italic; color:var(--accent); font-weight:500; }
.hero__sub{ max-width:46ch; color:var(--text-dim); font-size:1.05rem; margin-bottom:34px; }
.hero__actions{ display:flex; gap:16px; flex-wrap:wrap; }

.term{ background:var(--bg-2); border:1px solid var(--line); border-radius:8px; overflow:hidden; box-shadow:var(--shadow); }
.term__bar{ display:flex; align-items:center; gap:7px; padding:11px 14px; border-bottom:1px solid var(--line); }
.term__dot{ width:9px; height:9px; border-radius:50%; background:var(--line); }
.term__title{ margin-left:8px; font-family:var(--font-mono); font-size:.75rem; color:var(--text-dim); }
.term__body{ padding:20px 18px; font-family:var(--font-mono); font-size:.82rem; line-height:1.9; }
.term__prompt{ color:var(--accent); margin-right:6px; }
.term__out{ color:var(--text-dim); margin:0 0 10px; padding-left:16px; }
.term__muted{ opacity:.6; }
.term__cursor-blink{ animation:blink 1s steps(1) infinite; color:var(--accent); }
@keyframes blink{ 50%{ opacity:0; } }

.scroll-cue{ position:absolute; bottom:34px; left:50%; transform:translateX(-50%); background:none; border:0; color:var(--text-dim); display:flex; flex-direction:column; align-items:center; gap:8px; font-family:var(--font-mono); font-size:.7rem; cursor:pointer; letter-spacing:.08em; }
.scroll-cue__line{ width:1px; height:34px; background:linear-gradient(var(--text-dim), transparent); }

@media (max-width:900px){
  .hero__grid{ grid-template-columns:1fr; }
  .hero{ padding-top:120px; }
}

/* ===================================================================
   SECTION GENERICS
=================================================================== */
.section{ padding:120px 0; border-top:1px solid var(--line-soft); }
.section__eyebrow{ font-family:var(--font-mono); font-size:.8rem; color:var(--accent); letter-spacing:.05em; margin-bottom:16px; }
.section__title{ font-family:var(--font-display); font-size:clamp(1.7rem,3vw,2.5rem); font-weight:500; margin:0 0 44px; letter-spacing:-.01em; }

[data-reveal]{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].is-visible{ opacity:1; transform:translateY(0); }

/* ===================================================================
   ABOUT
=================================================================== */
.about__grid{ display:grid; grid-template-columns:1.4fr 1fr; gap:70px; }
.about__lede{ font-family:var(--font-display); font-size:1.4rem; line-height:1.5; margin-bottom:20px; }
.about__copy p{ color:var(--text-dim); }
.about__copy p:first-child{ color:var(--text); }
.about__facts{ display:flex; flex-direction:column; gap:22px; border-left:1px solid var(--line); padding-left:28px; }
.fact{ display:flex; flex-direction:column; gap:4px; }
.fact__label{ font-family:var(--font-mono); font-size:.72rem; color:var(--text-dim); text-transform:uppercase; letter-spacing:.06em; }
.fact__value{ font-family:var(--font-display); font-size:1.2rem; }
@media (max-width:820px){ .about__grid{ grid-template-columns:1fr; gap:36px; } }

/* ===================================================================
   TOOLBOX
=================================================================== */
.toolbox__search{ margin-bottom:36px; max-width:420px; }
.toolbox__search input{
  width:100%; background:var(--bg-2); border:1px solid var(--line); color:var(--text); font-family:var(--font-mono);
  padding:12px 14px; border-radius:var(--radius); font-size:.88rem;
}
.toolbox__search input:focus{ border-color:var(--accent); outline:none; }
.toolbox__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.tbcard{ background:var(--bg-2); border:1px solid var(--line); border-radius:8px; overflow:hidden; }
.tbcard__head{ font-family:var(--font-mono); font-size:.78rem; color:var(--text-dim); padding:12px 16px; border-bottom:1px solid var(--line); }
.tbcard__list{ list-style:none; margin:0; padding:16px; display:flex; flex-wrap:wrap; gap:9px; }
.tbcard__list li{ font-family:var(--font-mono); font-size:.82rem; padding:7px 11px; border:1px solid var(--line); border-radius:20px; transition:border-color .2s, color .2s; }
.tbcard__list li.is-match{ border-color:var(--accent); color:var(--accent); }
.tbcard__list li.is-dim{ opacity:.25; }
.toolbox__empty{ font-family:var(--font-mono); color:var(--text-dim); margin-top:20px; }
@media (max-width:900px){ .toolbox__grid{ grid-template-columns:1fr; } }

/* ===================================================================
   PROJECTS
=================================================================== */
.filters{ display:flex; gap:10px; margin-bottom:40px; flex-wrap:wrap; }
.filter{ font-family:var(--font-mono); font-size:.78rem; background:none; border:1px solid var(--line); color:var(--text-dim); padding:8px 16px; border-radius:20px; cursor:pointer; transition:border-color .2s, color .2s; }
.filter:hover{ color:var(--text); }
.filter.is-active{ border-color:var(--accent); color:var(--accent); }

.project-list{ display:flex; flex-direction:column; gap:2px; }
.project{ display:grid; grid-template-columns:0.9fr 1.4fr; gap:50px; padding:48px 0; border-top:1px solid var(--line); transition:opacity .3s, max-height .3s; }
.project:last-child{ border-bottom:1px solid var(--line); }
.project.is-hidden{ display:none; }
.project__placeholder{
  aspect-ratio:4/3; background:repeating-linear-gradient(135deg, var(--bg-2), var(--bg-2) 10px, transparent 10px, transparent 20px), var(--bg);
  border:1px dashed var(--line); border-radius:8px; display:flex; align-items:center; justify-content:center; text-align:center;
  font-family:var(--font-mono); font-size:.75rem; color:var(--text-dim); padding:20px;
}
.project__body h3{ font-family:var(--font-display); font-size:1.5rem; margin:0 0 14px; font-weight:500; }
.project__body p{ color:var(--text-dim); margin:0 0 10px; font-size:.94rem; }
.project__body p strong{ color:var(--text); font-weight:600; }
.project__features{ margin:14px 0; padding-left:18px; color:var(--text-dim); font-size:.92rem; }
.project__features li{ margin-bottom:5px; }
.project__tech{ display:flex; gap:8px; flex-wrap:wrap; margin:16px 0; }
.project__tech span{ font-family:var(--font-mono); font-size:.72rem; padding:5px 10px; border:1px solid var(--line); border-radius:20px; color:var(--text-dim); }
.project__links{ display:flex; gap:18px; margin-top:14px; }
.link-btn{ font-family:var(--font-mono); font-size:.82rem; color:var(--accent); border-bottom:1px solid transparent; }
.link-btn:hover{ border-color:var(--accent); }
.link-btn--muted{ color:var(--text-dim); }
@media (max-width:820px){ .project{ grid-template-columns:1fr; gap:24px; } }

/* ===================================================================
   ROADMAP
=================================================================== */
.roadmap__track{ position:relative; padding-left:36px; }
.roadmap__track::before{ content:""; position:absolute; left:9px; top:6px; bottom:6px; width:1px; background:var(--line); }
.rstep{ position:relative; padding-bottom:52px; }
.rstep:last-child{ padding-bottom:0; }
.rstep__marker{ position:absolute; left:-36px; top:0; width:20px; height:20px; border-radius:50%; background:var(--bg-2); border:1px solid var(--line); display:flex; align-items:center; justify-content:center; font-family:var(--font-mono); font-size:.6rem; color:var(--text-dim); }
.rstep.is-done .rstep__marker{ background:var(--accent-2); border-color:var(--accent-2); color:var(--ivory); }
.rstep.is-current .rstep__marker{ background:var(--accent); border-color:var(--accent); color:var(--ink); }
.rstep__tag{ font-family:var(--font-mono); font-size:.72rem; color:var(--text-dim); text-transform:uppercase; letter-spacing:.05em; }
.rstep.is-current .rstep__tag{ color:var(--accent); }
.rstep.is-done .rstep__tag{ color:var(--accent-2); }
.rstep h3{ font-family:var(--font-display); font-weight:500; font-size:1.25rem; margin:6px 0 8px; }
.rstep p{ color:var(--text-dim); max-width:56ch; margin:0; font-size:.94rem; }

/* ===================================================================
   CERTIFICATES
=================================================================== */
.cert-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.cert{ border:1px solid var(--line); border-radius:8px; padding:30px; background:var(--bg-2); }
.cert__org{ font-family:var(--font-mono); font-size:.75rem; color:var(--accent); }
.cert h3{ font-family:var(--font-display); font-weight:500; font-size:1.2rem; margin:10px 0; }
.cert p{ color:var(--text-dim); font-size:.9rem; margin:0; }
@media (max-width:700px){ .cert-grid{ grid-template-columns:1fr; } }

/* ===================================================================
   BLOG
=================================================================== */
.blog-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:2px; background:var(--line); border:1px solid var(--line); }
.blog-card{ background:var(--bg); padding:34px; transition:background .25s; }
.blog-card:hover{ background:var(--bg-2); }
.blog-card__meta{ font-family:var(--font-mono); font-size:.72rem; color:var(--text-dim); }
.blog-card__meta .dot{ opacity:.5; }
.blog-card h3{ font-family:var(--font-display); font-weight:500; font-size:1.2rem; margin:12px 0 10px; }
.blog-card p{ color:var(--text-dim); font-size:.9rem; margin:0; }
@media (max-width:700px){ .blog-grid{ grid-template-columns:1fr; } }

/* ===================================================================
   CONTACT
=================================================================== */
.contact__grid{ display:grid; grid-template-columns:0.9fr 1.3fr; gap:60px; }
.contact__intro p{ color:var(--text-dim); margin:16px 0 26px; max-width:40ch; }
.contact__links{ display:flex; flex-direction:column; gap:12px; font-family:var(--font-mono); font-size:.9rem; }
.contact__links a{ width:fit-content; border-bottom:1px solid transparent; }
.contact__links a:hover{ border-color:var(--accent); color:var(--accent); }

.contact__form{ display:flex; flex-direction:column; gap:18px; }
.field{ display:flex; flex-direction:column; gap:7px; }
.field label{ font-family:var(--font-mono); font-size:.75rem; color:var(--text-dim); }
.field input, .field textarea{
  background:var(--bg-2); border:1px solid var(--line); color:var(--text); font-family:var(--font-body);
  padding:12px 14px; border-radius:var(--radius); font-size:.94rem; resize:vertical;
}
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--accent); }
.contact__status{ font-family:var(--font-mono); font-size:.82rem; color:var(--accent); min-height:1em; margin:0; }
@media (max-width:820px){ .contact__grid{ grid-template-columns:1fr; } }

/* ===================================================================
   FOOTER
=================================================================== */
.footer{ padding:50px 0; border-top:1px solid var(--line); }
.footer__inner{ display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap; align-items:center; }
.footer__quote{ font-family:var(--font-display); font-style:italic; color:var(--text-dim); max-width:46ch; margin:0; font-size:.95rem; }
.footer__meta{ display:flex; flex-direction:column; gap:6px; align-items:flex-end; font-family:var(--font-mono); font-size:.78rem; color:var(--text-dim); }

.back-top{
  position:fixed; bottom:28px; right:28px; width:42px; height:42px; border-radius:50%; background:var(--accent); color:var(--ink);
  border:0; cursor:pointer; font-size:1.1rem; opacity:0; visibility:hidden; transform:translateY(10px);
  transition:opacity .3s, transform .3s, visibility .3s; z-index:800;
}
.back-top.is-visible{ opacity:1; visibility:visible; transform:translateY(0); }

/* ===================================================================
   COMMAND PALETTE
=================================================================== */
.cmd-overlay{ position:fixed; inset:0; background:rgba(0,0,0,0.55); z-index:1800; display:flex; align-items:flex-start; justify-content:center; padding-top:14vh; backdrop-filter:blur(3px); }
.cmd-overlay[hidden]{ display:none; }
.cmd-palette{ width:min(560px,90vw); background:var(--bg-2); border:1px solid var(--line); border-radius:10px; box-shadow:var(--shadow); overflow:hidden; }
.cmd-palette__input-row{ display:flex; align-items:center; gap:10px; padding:16px 18px; border-bottom:1px solid var(--line); }
.cmd-palette__prompt{ color:var(--accent); font-family:var(--font-mono); }
.cmd-palette__input-row input{ flex:1; background:none; border:0; color:var(--text); font-family:var(--font-mono); font-size:.95rem; }
.cmd-palette__input-row input:focus{ outline:none; }
.cmd-palette__list{ list-style:none; margin:0; padding:8px; max-height:320px; overflow-y:auto; }
.cmd-palette__list li{ padding:11px 12px; font-family:var(--font-mono); font-size:.86rem; border-radius:6px; cursor:pointer; display:flex; justify-content:space-between; color:var(--text-dim); }
.cmd-palette__list li.is-selected{ background:var(--bg); color:var(--text); }
.cmd-palette__list li span.hint{ color:var(--text-dim); font-size:.7rem; }

/* ===================================================================
   MISC
=================================================================== */
::selection{ background:var(--accent); color:var(--ink); }