/* ===========================================================
   Design tokens
=========================================================== */
:root{
  --ink:        #E8EDE9;
  --ink-soft:   #9AAAA1;
  --paper:      #0E1512;
  --panel:      #151F1B;
  --rule:       #2A3833;
  --pass:       #4FD8A0;
  --pass-bg:    #16362B;
  --pending:    #E0B24D;
  --pending-bg: #392E14;
  --term-bg:    #060B09;
  --term-text:  #D9E4DC;
  --term-dim:   #64857A;
  --header-bg:  rgba(14,21,18,0.85);
  --alt-bg:     rgba(255,255,255,0.02);

  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --wrap: 1080px;
}

:root[data-theme="light"]{
  --ink:        #14201C;
  --ink-soft:   #445048;
  --paper:      #EEF0EA;
  --panel:      #FFFFFF;
  --rule:       #D7DCD3;
  --pass:       #1E7A54;
  --pass-bg:    #E4F0E9;
  --pending:    #8A6A1C;
  --pending-bg: #F1EADA;
  --term-bg:    #101815;
  --term-text:  #D9E4DC;
  --term-dim:   #7FA394;
  --header-bg:  rgba(238,240,234,0.9);
  --alt-bg:     rgba(20,32,28,0.03);
}

*, *::before, *::after{ box-sizing: border-box; }

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

body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s ease, color 0.2s ease;
}

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

a{ color: inherit; }

.skip-link{
  position:absolute; left:-9999px; top:auto;
  background: var(--ink); color: var(--paper);
  padding: 10px 16px; z-index: 100; font-family: var(--font-mono);
}
.skip-link:focus{ left: 16px; top: 16px; }

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

/* ===========================================================
   Header
=========================================================== */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--rule);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 64px;
}
.brand{
  font-family: var(--font-mono);
  font-weight:600;
  font-size: 0.95rem;
  text-decoration:none;
  letter-spacing: -0.01em;
}
.brand-dim{ color: var(--ink-soft); }

.main-nav{
  display:flex; gap: 28px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.main-nav a{ text-decoration:none; color: var(--ink-soft); }
.main-nav a:hover{ color: var(--ink); }

.header-cta{
  font-size: 0.8rem;
  padding: 8px 14px;
}

.header-actions{
  display:flex; align-items:center; gap: 14px;
}

.theme-toggle{
  display:flex; align-items:center; justify-content:center;
  width: 36px; height: 36px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.theme-toggle:hover{ border-color: var(--pass); }
.theme-toggle svg{ width: 17px; height: 17px; }
.theme-toggle .icon-moon{ display:none; }
:root[data-theme="light"] .theme-toggle .icon-sun{ display:none; }
:root[data-theme="light"] .theme-toggle .icon-moon{ display:block; }

@media (max-width: 720px){
  .main-nav{ display:none; }
}

/* ===========================================================
   Buttons
=========================================================== */
.btn{
  display:inline-flex; align-items:center; gap:6px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-decoration:none;
  padding: 12px 20px;
  border-radius: 3px;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary{
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover{ background: var(--pass); }

.btn-ghost{
  border-color: var(--ink);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover{ background: var(--ink); color: var(--paper); }

/* ===========================================================
   Hero
=========================================================== */
.hero{ padding: 64px 0 40px; }

.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: start;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pass);
  margin: 0 0 18px;
}

.hero-title{
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
}
.hero-title em{ font-style: italic; color: var(--pass); }

.hero-lede{
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 28px;
}

.hero-actions{ display:flex; gap: 14px; flex-wrap: wrap; }

/* Terminal console */
.console{
  background: var(--term-bg);
  color: var(--term-text);
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(0,0,0,0.6);
}
.console-head{
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.console-tag{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--term-dim);
  letter-spacing: 0.04em;
}
.console-body{
  margin:0;
  padding: 22px 20px 26px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
}
.c-prompt{ color: var(--pass); }
.c-out{ color: var(--term-text); }
.c-dim{ color: var(--term-dim); }
.c-pass{ color: #7FD8AE; display:inline-block; margin-top:4px; }

.cursor{
  display:inline-block;
  width: 8px; height: 1em;
  background: #7FD8AE;
  margin-left: 6px;
  vertical-align: text-bottom;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink{ 50%{ opacity: 0; } }

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
}

/* Stat strip */
.stat-strip{
  list-style:none; margin: 40px 0 0; padding:0;
  display:flex; flex-wrap: wrap; gap: 12px;
}
.stat-pill{
  display:flex; align-items:center; gap:8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 9px 14px;
  border-radius: 999px;
}
.stat-pill .dot{
  width:7px; height:7px; border-radius:50%;
  background: var(--pass);
  flex: none;
}

/* ===========================================================
   Sections
=========================================================== */
.section{ padding: 76px 0; border-top: 1px solid var(--rule); }
.section-alt{ background: var(--alt-bg); }

.section-grid{
  display:grid;
  grid-template-columns: 180px 1fr;
  gap: 48px;
}
@media (max-width: 720px){
  .section-grid{ grid-template-columns: 1fr; gap: 20px; }
}

.label-tag{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  position: sticky;
  top: 90px;
}

.lead-text{
  font-size: 1.15rem;
  max-width: 62ch;
  margin: 0 0 32px;
}
.lead-text-tight{ margin-bottom: 40px; }

.about-layout{
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: start;
}
.about-photo{
  margin:0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--panel);
}
.about-photo img{
  display:block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
}
.about-photo figcaption{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  padding: 10px 12px;
  border-top: 1px solid var(--rule);
}

@media (max-width: 720px){
  .about-layout{ grid-template-columns: 1fr; }
  .about-photo{ max-width: 220px; }
}

.skill-groups{
  display: grid;
  gap: 24px;
  margin: 0 0 40px;
}
.skill-group-label{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0 0 10px;
}
.skill-group .chip-list{ margin: 0; }

/* Chip list (skills) */
.chip-list{
  list-style:none; margin: 0 0 40px; padding:0;
  display:flex; flex-wrap:wrap; gap: 10px;
}
.chip-list li{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 7px 12px;
}

.now-heading{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pass);
  margin: 0 0 12px;
}
.now-list{ margin: 0; padding-left: 20px; }
.now-list li{ margin-bottom: 8px; }

/* ===========================================================
   Experience timeline
=========================================================== */
.timeline{
  list-style:none; margin:0; padding:0;
  border-left: 2px solid var(--rule);
}
.role{
  position: relative;
  padding: 0 0 40px 28px;
}
.role::before{
  content:"";
  position:absolute;
  left: -7px; top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--pass-bg);
  border: 2px solid var(--pass);
}
.role:last-child{ padding-bottom: 4px; }

.role-when{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--pass);
  margin-bottom: 6px;
}
.role-main h3{
  margin: 0 0 4px;
  font-size: 1.15rem;
  font-family: var(--font-mono);
}
.role-org{
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.role-context{ color: var(--ink-soft); }

.role-points{ margin: 0 0 14px; padding-left: 20px; }
.role-points li{ margin-bottom: 6px; }

.role-current{
  background: var(--pass-bg);
  border-radius: 8px;
  padding: 18px 20px 18px 34px;
  margin-left: -34px;
  margin-bottom: 8px;
}
.role-current::before{
  left: 8px;
}
.current-tag{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--paper);
  background: var(--pass);
  padding: 3px 9px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
}

.tag-list{
  list-style:none; display:flex; flex-wrap:wrap; gap:8px; margin:0; padding:0;
}
.tag-list li{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--pass-bg);
  color: var(--pass);
  padding: 4px 10px;
  border-radius: 999px;
}

.edu-cert-grid{
  margin-top: 48px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--rule);
}
@media (max-width: 640px){
  .edu-cert-grid{ grid-template-columns: 1fr; }
}
.plain-text{ margin:0; }
.plain-list{ margin:0; padding-left: 20px; }
.plain-list li{ margin-bottom: 6px; }

/* ===========================================================
   Writing queue
=========================================================== */
.writing-queue{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap: 28px; }
.queue-item{
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 22px 24px;
}
.queue-status{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pending);
  background: var(--pending-bg);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.queue-item h3{ margin: 0 0 8px; font-size: 1.05rem; }
.queue-item h3 a{ color: var(--ink); text-decoration: none; }
.queue-item h3 a:hover{ color: var(--pass); }
.queue-item p{ margin: 0 0 14px; color: var(--ink-soft); }

.queue-status-live{
  color: var(--pass);
  background: var(--pass-bg);
}

.read-link{
  display:inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--pass);
  text-decoration: none;
}
.read-link:hover{ text-decoration: underline; }

/* ===========================================================
   Article page
=========================================================== */
.article-wrap{ max-width: 720px; }

.back-link{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-decoration: none;
  margin-bottom: 28px;
}
.back-link:hover{ color: var(--pass); }
.back-link-bottom{ margin-top: 40px; margin-bottom: 0; }

.article-title{
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  line-height: 1.25;
  margin: 0 0 18px;
}

.article-dek{
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin: 0 0 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--rule);
}

.article-prose{ font-size: 1.05rem; }
.article-prose p{ margin: 0 0 22px; }
.article-prose h2{
  font-family: var(--font-mono);
  font-size: 1.3rem;
  margin: 44px 0 18px;
}
.article-prose strong{ color: var(--ink); }
.article-prose code{
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 2px 6px;
  border-radius: 3px;
}

.article-figure{
  margin: 36px 0;
}
.article-figure img{
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--rule);
  display:block;
}
.article-figure figcaption{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 10px;
  font-style: italic;
}
.section-contact{ text-align:center; }
.contact-title{
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  max-width: 20ch;
  margin: 0 auto 32px;
}
.contact-links{
  display:flex; gap: 14px; justify-content:center; flex-wrap: wrap;
  margin-bottom: 56px;
}

.contact-form{
  max-width: 520px;
  margin: 0 auto;
  text-align: left;
}
.hp-field{ position:absolute; left:-9999px; }
.form-row{ margin-bottom: 20px; }
.form-row label{
  display:block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.form-row input,
.form-row textarea{
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 10px 12px;
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus{
  outline: 2px solid var(--pass);
  outline-offset: 1px;
}
.contact-form .btn{
  width: 100%;
  justify-content: center;
  border: none;
  cursor: pointer;
}
.form-status{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--pass);
  margin: 14px 0 0;
  min-height: 1.2em;
}

/* ===========================================================
   Footer
=========================================================== */
.site-footer{
  border-top: 1px solid var(--rule);
  padding: 28px 0 40px;
}
.footer-inner{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
}