/* ============ Tokens ============ */
:root{
  --bg: #111111;
  --bg-raised: #191919;
  --bg-raised-2: #212121;
  --ink: #F2F2F0;
  --ink-soft: #B4B4BC;
  --muted: #77777F;
  --line: #232327;
  --line-soft: #1A1A1D;
  --accent: #F2F2F0;
  --accent-soft: rgba(255,255,255,0.10);
  --accent-ink: #FFFFFF;
  --max-w: 760px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 28px;
  --space-lg: 56px;
  --space-xl: 104px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 900px 650px at -8% -12%, rgba(255,255,255,0.14), transparent 62%),
    radial-gradient(rgba(255,255,255,0.28) 1.1px, transparent 1.1px);
  background-size: 100% 100%, 22px 22px;
  background-repeat: no-repeat, repeat;
  background-attachment: fixed, fixed;
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

::selection{ background: var(--accent-soft); color: var(--accent-ink); }
a{ color: inherit; text-decoration: none; }

.wrap{
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: clamp(20px, 6vw, 0px);
  padding-right: clamp(20px, 6vw, 0px);
}

.mono{ font-family: 'JetBrains Mono', ui-monospace, monospace; }

.eyebrow{
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 var(--space-sm) 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

h1, h2, h3{
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}

/* ============ Nav ============ */
header.site-nav{
  padding: 0;
  position: sticky;
  top: 16px;
  z-index: 20;
  background: transparent;
  pointer-events: none; /* let dots/glow show through the gaps */
}
header.site-nav .nav-shell{ pointer-events: auto; }

.nav-shell{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: clamp(20px, 6vw, 0px);
  padding-right: clamp(20px, 6vw, 0px);
}

.avatar{
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, #F2F2F0, #6E6E72);
  border: 1px solid rgba(255,255,255,0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 14px;
  color: #141414;
  overflow: hidden;
}
.avatar img{ width: 100%; height: 100%; object-fit: cover; display: block; }

.nav-pill{
  display: flex;
  gap: 18px;
  align-items: center;
  background: rgba(255,255,255,0.045);
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 11px 22px;
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-wrap: wrap;
  box-shadow: 0 6px 20px rgba(0,0,0,0.28);
}
.nav-pill a{
  color: var(--ink-soft);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-pill a:hover{ color: var(--ink); border-color: var(--accent); }
.nav-pill a.active{ color: var(--accent-ink); border-color: var(--accent); }

.nav-spacer{ width: 38px; flex-shrink: 0; }
@media (max-width: 620px){
  .nav-spacer{ display: none; }
}

/* ============ About: two-column layout ============ */
.wrap-wide{
  max-width: 1080px;
  margin: 0 auto;
  padding-left: clamp(20px, 6vw, 0px);
  padding-right: clamp(20px, 6vw, 0px);
}
.about-grid{
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 56px;
  align-items: start;
  padding-top: clamp(40px, 7vw, 72px);
}
.about-heading{ font-size: clamp(38px, 6vw, 60px); }
.about-body{ margin-top: var(--space-lg); max-width: 560px; }
.about-body p{ margin: 0 0 20px 0; color: var(--ink-soft); font-size: 16.5px; }
.about-body strong{ color: var(--ink); font-weight: 600; }

.about-photo{
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #2A2A30, #111114);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.about-photo img{ width: 100%; height: 100%; object-fit: cover; display: block; }
.about-photo .placeholder-text{
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  padding: 0 24px;
  line-height: 1.6;
}

.social-list{ list-style: none; margin: var(--space-md) 0 0 0; padding: 0; display: flex; flex-direction: column; }
.social-list li{ border-top: 1px solid var(--line-soft); }
.social-list li:first-child{ border-top: none; }
.social-list a{
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 2px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  transition: color 0.15s ease;
}
.social-list a:hover{ color: var(--accent-ink); }
.social-icon{
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--bg-raised-2);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--ink-soft);
}
.social-icon svg{ width: 16px; height: 16px; }
.social-icon.mono-badge{ font-family: 'JetBrains Mono', monospace; font-size: 10.5px; font-weight: 700; color: var(--accent-ink); }

@media (max-width: 820px){
  .about-grid{ grid-template-columns: 1fr; gap: var(--space-lg); }
  .about-photo{ max-width: 380px; }
}

/* ============ Projects: hero + card grid ============ */
.projects-hero{
  text-align: center;
  padding-top: clamp(48px, 8vw, 88px);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-badge{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 8px 8px 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: var(--space-lg);
}
.hero-badge-strong{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-raised-2);
  color: var(--ink);
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
}
.hero-badge-strong svg{ width: 11px; height: 11px; }

.projects-heading{ font-size: clamp(32px, 5.4vw, 50px); line-height: 1.14; max-width: 820px; }
.projects-heading .accent-word{ color: var(--accent); }
.projects-sub{ margin-top: 22px; max-width: 580px; color: var(--ink-soft); font-size: 16.5px; }

.projects-hero-actions{ margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.btn-light{
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: var(--ink);
  color: var(--bg);
  padding: 13px 22px;
  border-radius: 10px;
  transition: opacity 0.15s ease;
}
.btn-light:hover{ opacity: 0.8; }
.btn-dark-outline{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: 1px solid var(--line);
  padding: 13px 22px;
  border-radius: 10px;
  color: var(--ink);
  transition: border-color 0.15s ease;
}
.btn-dark-outline:hover{ border-color: var(--accent); }
.btn-dark-outline svg{ width: 15px; height: 15px; }

.projects-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: var(--space-xl);
}
.project-card{
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.project-banner{
  aspect-ratio: 16 / 10;
  position: relative;
  background-size: 26px 26px;
  background-image: repeating-linear-gradient(115deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 26px);
}
.banner-lazymind{ background-color: #1E1A33; }
.banner-agent{ background-color: #122A3D; }
.banner-datamanager{ background-color: #17301F; }
.banner-nn{ background-color: #332617; }
.project-banner::after{
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 75% 25%, rgba(255,255,255,0.10), transparent 60%);
}
.project-index-badge{
  position: absolute; top: 12px; left: 12px;
  background: rgba(0,0,0,0.45);
  padding: 4px 9px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,0.75);
  z-index: 1;
}
.project-card-body{ padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.project-card-body h3{ font-size: 18px; color: var(--ink); }
.project-card-date{ font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: var(--muted); margin-top: -8px; }
.project-card-body p{ font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); margin: 0; }
.project-card-tags{ display: flex; flex-wrap: wrap; gap: 8px; }
.pill-tag{
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  background: var(--bg-raised-2);
  border: 1px solid var(--line);
  padding: 5px 11px;
  border-radius: 999px;
  color: var(--ink-soft);
}
.project-card-actions{ display: flex; gap: 10px; margin-top: auto; padding-top: 8px; flex-wrap: wrap; }
.btn-outline-accent{
  display: inline-flex; align-items: center; gap: 7px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  padding: 9px 14px; border-radius: 9px;
  border: 1px solid var(--accent); color: var(--accent-ink);
  transition: background 0.15s ease;
}
.btn-outline-accent:hover{ background: var(--accent-soft); }
.btn-outline-accent svg{ width: 14px; height: 14px; }
.btn-dark-arrow{
  display: inline-flex; align-items: center; gap: 7px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  padding: 9px 14px; border-radius: 9px;
  background: var(--bg-raised-2); border: 1px solid var(--line); color: var(--ink);
  transition: border-color 0.15s ease;
}
.btn-dark-arrow:hover{ border-color: var(--accent); }
.btn-dark-arrow svg{ width: 12px; height: 12px; }

@media (max-width: 900px){
  .projects-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px){
  .projects-grid{ grid-template-columns: 1fr; }
}

/* ============ Hero ============ */
.hero{ padding-top: clamp(44px, 8vw, 84px); padding-bottom: var(--space-lg); }
@media (min-width: 700px){
  .hero{ transform: translateX(-100px); }
}
.hero h1{ font-size: clamp(32px, 5.4vw, 52px); line-height: 1.1; }
.hero h1 .line{ display: block; }
.hero h1 .accent-word{ color: var(--accent); }

.hero-body{ margin-top: var(--space-md); max-width: 640px; }
.hero-body p{ margin: 0 0 14px 0; color: var(--ink-soft); font-size: 16.5px; }
.hero-body strong{ color: var(--ink); font-weight: 600; }

.contact-row{ margin-top: var(--space-md); display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.contact-link{
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.contact-link:hover{ border-color: var(--accent); background: var(--accent-soft); }
.contact-link.primary{ background: var(--ink); color: var(--bg); border-color: var(--ink); }
.contact-link.primary:hover{ background: var(--accent); border-color: var(--accent); color: var(--bg); }

/* ============ Showcase strip ============ */
.showcase{ border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: var(--space-md) 0; }
.showcase-row{ display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 28px; max-width: var(--max-w); margin: 0 auto; padding-left: clamp(20px, 6vw, 0px); padding-right: clamp(20px, 6vw, 0px); }
.showcase-item{
  display: flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace; font-weight: 600;
  font-size: clamp(14px, 2.4vw, 18px); letter-spacing: 0.02em;
  color: var(--ink-soft); cursor: default; transition: color 0.18s ease;
}
.showcase-item:hover{ color: var(--ink); }
.showcase-item .icon{ width: 20px; height: 20px; opacity: 0.5; transition: opacity 0.18s ease, transform 0.18s ease; flex-shrink: 0; color: var(--ink-soft); }
.showcase-item:hover .icon{ opacity: 1; transform: translateY(-1px); color: var(--accent); }
.showcase-item svg{ display: block; width: 100%; height: 100%; }

/* ============ Photo strip ============ */
.photo-strip-wrap{ padding: var(--space-lg) 0; }
.photo-strip{
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px clamp(20px, 6vw, calc((100vw - var(--max-w)) / 2 + 20px)) 12px;
  margin: 0 clamp(-20px, -6vw, calc(-1 * ((100vw - var(--max-w)) / 2 + 20px)));
  scrollbar-width: none;
}
.photo-strip::-webkit-scrollbar{ display: none; }
.photo-tile{
  position: relative;
  flex: 0 0 auto;
  width: clamp(150px, 22vw, 210px);
  aspect-ratio: 3 / 4;
  border-radius: 16px;
  scroll-snap-align: start;
  overflow: hidden;
  border: 1px solid var(--line);
}
.photo-tile img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
  display: block;
}
.photo-tile::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.10) 0%, rgba(0,0,0,0) 35%, rgba(0,0,0,0.60) 100%);
  z-index: 1;
  pointer-events: none;
}
.photo-tile .tile-content{
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px;
}
.photo-tile .cap-top{ font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: rgba(255,255,255,0.65); }
.photo-tile .cap-bottom{ font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 700; color: rgba(255,255,255,0.92); line-height: 1.3; }
.photo-tile .cap-bottom.small{ font-family: 'JetBrains Mono', monospace; font-weight: 500; font-size: 10px; color: rgba(255,255,255,0.55); }
.ph1{ background: radial-gradient(circle at 30% 20%, #2b2620, #0e0c0a 70%); }
.ph2{ background: radial-gradient(circle at 70% 80%, #2a1c3d, #0c0a10 70%); }
.ph3{ background: linear-gradient(160deg, #7a5a3a 0%, #3c3350 55%, #14131c 100%); }
.ph4{ background: radial-gradient(circle at 60% 30%, #17324a, #0a1116 75%); }
.ph5{ background: linear-gradient(150deg, #4a3a2c 0%, #201a17 100%); }

/* ============ Sections generic ============ */
section{ padding: var(--space-xl) 0; }
section.tight{ padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.section-head{ margin-bottom: var(--space-lg); }
.section-head h2{ font-size: clamp(24px, 3.4vw, 30px); }

/* ============ Projects ============ */
.project{ padding: var(--space-lg) 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 56px 1fr; gap: 8px 20px; }
.project:last-child{ padding-bottom: 0; }
.project-index{ font-family: 'JetBrains Mono', monospace; color: var(--muted); font-size: 13px; padding-top: 4px; }
.project-head{ display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 16px; }
.project-title{ font-size: 20px; font-weight: 700; letter-spacing: -0.01em; color: var(--ink); }
.project-date{ font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--muted); letter-spacing: 0.03em; white-space: nowrap; }
.project-tags{ margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag{ font-family: 'JetBrains Mono', monospace; font-size: 11.5px; letter-spacing: 0.02em; color: var(--accent-ink); background: var(--accent-soft); padding: 4px 10px; border-radius: 5px; }
.project-bullets{ margin: 16px 0 0 0; padding: 0; list-style: none; color: var(--ink-soft); font-size: 15.5px; }
.project-bullets li{ position: relative; padding-left: 18px; margin-bottom: 8px; }
.project-bullets li::before{ content: "—"; position: absolute; left: 0; color: var(--muted); }
.project-link{ margin-top: 16px; display: inline-flex; align-items: center; gap: 6px; font-family: 'JetBrains Mono', monospace; font-size: 12.5px; letter-spacing: 0.03em; text-transform: uppercase; color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 2px; transition: color 0.15s ease, border-color 0.15s ease; }
.project-link:hover{ color: var(--accent); border-color: var(--accent); }
.project-link svg{ width: 12px; height: 12px; }

/* ============ Skills ============ */
.skills-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.skill-group h3{ font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; color: var(--muted); margin-bottom: 14px; }
.skill-group ul{ margin: 0; padding: 0; list-style: none; font-size: 15px; color: var(--ink); }
.skill-group li{ padding: 7px 0; border-top: 1px solid var(--line); }
.skill-group li:first-child{ border-top: none; }

/* ============ Achievements strip ============ */
.achievements{ border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.achievements-row{ padding: var(--space-md) 0; display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: baseline; font-family: 'JetBrains Mono', monospace; font-size: 13.5px; color: var(--ink-soft); max-width: var(--max-w); margin: 0 auto; padding-left: clamp(20px, 6vw, 0px); padding-right: clamp(20px, 6vw, 0px); }
.achievements-row .num{ color: var(--ink); font-weight: 600; }
.achievements-row .sep{ color: var(--muted); }

/* ============ Education ============ */
.edu-card{ display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.edu-name{ font-size: 19px; font-weight: 700; color: var(--ink); }
.edu-detail{ margin-top: 8px; color: var(--ink-soft); font-size: 15.5px; }
.edu-meta{ font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--muted); text-align: right; white-space: nowrap; }

/* ============ Resume ============ */
.resume-hero{ text-align: left; padding-top: clamp(44px, 8vw, 84px); }
.resume-hero p{ color: var(--ink-soft); max-width: 560px; margin-top: 14px; font-size: 16.5px; }
.btn-resume{
  margin-top: var(--space-md);
  font-family: 'JetBrains Mono', monospace; font-size: 13px; letter-spacing: 0.03em; text-transform: uppercase;
  background: var(--ink); color: var(--bg); padding: 14px 26px; border-radius: 999px;
  display: inline-flex; align-items: center; gap: 8px; transition: background 0.15s ease; white-space: nowrap;
}
.btn-resume:hover{ background: var(--accent); }
.btn-resume svg{ width: 14px; height: 14px; }
.resume-highlights{ margin-top: var(--space-xl); border-top: 1px solid var(--line); padding-top: var(--space-lg); }
.resume-highlights ul{ list-style: none; margin: 0; padding: 0; color: var(--ink-soft); font-size: 15.5px; }
.resume-highlights li{ padding: 12px 0; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; gap: 16px; }
.resume-highlights li:first-child{ border-top: none; }
.resume-highlights .label{ color: var(--ink); font-weight: 600; }

/* ============ Footer ============ */
footer{ padding: var(--space-lg) 0 var(--space-xl) 0; }
.footer-row{ display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 20px; padding-top: var(--space-lg); border-top: 1px solid var(--line); max-width: var(--max-w); margin: 0 auto; padding-left: clamp(20px, 6vw, 0px); padding-right: clamp(20px, 6vw, 0px); }
.footer-links{ display: flex; gap: 18px; font-family: 'JetBrains Mono', monospace; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--ink-soft); }
.footer-links a:hover{ color: var(--accent); }
.footer-meta{ font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--muted); }

/* ============ Responsive ============ */
@media (max-width: 720px){
  .skills-grid{ grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
  .project{ grid-template-columns: 1fr; }
  .project-index{ display: none; }
  .nav-pill{ gap: 12px; padding: 10px 16px; }
  .edu-card{ flex-direction: column; }
  .edu-meta{ text-align: left; }
  .resume-highlights li{ flex-direction: column; gap: 4px; }
}
@media (max-width: 460px){
  .nav-pill a:nth-child(4){ display: none; }
}
@media (prefers-reduced-motion: reduce){
  *{ transition: none !important; scroll-behavior: auto !important; }
}