:root{
  --bg:#0b0d12;
  --panel:#121827;
  --text:#e8eefc;
  --muted:#a7b2d6;
  --border:rgba(255,255,255,.10);
  --brand:#7aa2ff;
  --brand2:#34d399;
  --shadow: 0 8px 30px rgba(0,0,0,.35);
  --radius:18px;
  --max: 1060px;

  --ease: cubic-bezier(.2,.8,.2,1);
  --t-fast: 120ms;
  --t-med: 180ms;
  --lift: -3px;
}

:root[data-theme="light"]{
  --bg:#f6f7fb;
  --panel:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --border:rgba(2,6,23,.10);
  --brand:#2563eb;
  --brand2:#059669;
  --shadow: 0 10px 30px rgba(2,6,23,.08);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* Subtle background grain (PNG) */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;

  background-image: url("../img/noise.png");
  background-repeat: repeat;

  opacity: 0.035;
  mix-blend-mode: overlay;
}

/* Keep content above the grain */
.nav, .wrap{
  position: relative;
  z-index: 1;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; text-underline-offset: 3px; }

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 16px;
}

.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav-inner{
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.2px;
}

.badge{
  font-size: 12px;
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  transition: background var(--t-med) var(--ease), border-color var(--t-med) var(--ease);
}

.links{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
}

.links a{
  color: var(--muted);
  font-weight: 650;
  padding: 8px 10px;
  border-radius: 12px;
  transition: background var(--t-med) var(--ease), color var(--t-med) var(--ease),
              transform var(--t-med) var(--ease);
}

.links a:hover{
  color: var(--text);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  text-decoration:none;
  transform: translateY(-1px);
}

.links a.active{
  color: var(--text);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--border);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  font-weight: 750;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 85%, transparent);
  box-shadow: var(--shadow);
  text-decoration:none !important;

  transition: transform var(--t-med) var(--ease),
              box-shadow var(--t-med) var(--ease),
              background var(--t-med) var(--ease),
              border-color var(--t-med) var(--ease);
}

.btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 34px rgba(0,0,0,.42);
}

.btn:active{
  transform: translateY(-1px);
}

.btn.primary{
  background: linear-gradient(135deg, var(--brand), color-mix(in srgb, var(--brand2) 55%, var(--brand)));
  border: none;
  color: #081022;
}

.btn.primary:hover{
  filter: brightness(1.03);
}

.btn.ghost{
  background: transparent;
  box-shadow: none;
}

.btn.ghost:hover{
  background: color-mix(in srgb, var(--panel) 60%, transparent);
  box-shadow: none;
}

.icon-btn{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  color: var(--text);
  border-radius: 14px;
  padding: 9px 10px;
  cursor: pointer;

  transition: transform var(--t-med) var(--ease),
              background var(--t-med) var(--ease),
              border-color var(--t-med) var(--ease);
}

.icon-btn:hover{
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--panel) 85%, transparent);
}

.hero{ padding: 26px 0 12px; }

.grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 960px){
  .grid.two{ grid-template-columns: 1.2fr .8fr; }
  .grid.three{ grid-template-columns: repeat(3, 1fr); }
}

.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);

  transition: transform var(--t-med) var(--ease),
              box-shadow var(--t-med) var(--ease),
              border-color var(--t-med) var(--ease);
}

.card:hover{
  transform: translateY(var(--lift));
  border-color: color-mix(in srgb, var(--brand) 35%, var(--border));
  box-shadow: 0 14px 46px rgba(0,0,0,.44);
}

.card h2{ margin: 0 0 8px; font-size: 20px; letter-spacing: -0.2px; }
.card p{ margin: 0 0 10px; color: var(--muted); }

.kicker{ color: var(--muted); font-weight: 650; }

h1{
  margin: 0 0 8px;
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -0.8px;
}

.subtitle{
  margin: 0 0 16px;
  color: var(--muted);
  max-width: 70ch;
}

.pills{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.pill{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: color-mix(in srgb, var(--panel) 70%, transparent);

  transition: transform var(--t-med) var(--ease),
              background var(--t-med) var(--ease),
              border-color var(--t-med) var(--ease),
              color var(--t-med) var(--ease);
}

.pill:hover{
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--brand) 30%, var(--border));
  color: var(--text);
}

.row{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.project-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
}

.project-title{
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.2px;
}

.small{ font-size: 14px; color: var(--muted); }

hr.sep{
  border:0;
  border-top: 1px solid var(--border);
  margin: 14px 0;
}

.footer{
  margin-top: 22px;
  padding: 18px 0 38px;
  color: var(--muted);
  font-size: 14px;
}

.code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  padding: 2px 6px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--muted);
}

.list{
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

/* Project images */
.project-media{
  display:block;
  border-radius: 14px;
  overflow:hidden;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}

.project-media img{
  display:block;
  width:100%;
  height: 120px; /* homepage cards */
  object-fit: cover;
  transform: scale(1);
  transition: transform var(--t-med) var(--ease), filter var(--t-fast) var(--ease);
}

.project-media.tall img{ height: 150px; } /* homepage cards (tall) */

.card:hover .project-media img{
  transform: scale(1.02);
  filter: brightness(1.03);
}

/* Projects page: compact side-by-side cards */
.projects-page .project-card{
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  align-items: start;
}

.projects-page .project-card .project-top{
  grid-column: 1 / -1;
}

.projects-page .project-card .project-media{
  grid-column: 1;
  border-radius: 12px;
}

.projects-page .project-card .project-media img{
  height: 64px;
}

.projects-page .project-card .list,
.projects-page .project-card p,
.projects-page .project-card .row{
  grid-column: 2;
}

@media (max-width: 720px){
  .projects-page .project-card{
    grid-template-columns: 1fr;
  }
  .projects-page .project-card .project-top,
  .projects-page .project-card .project-media,
  .projects-page .project-card .list,
  .projects-page .project-card p,
  .projects-page .project-card .row{
    grid-column: 1;
  }
  .projects-page .project-card .project-media img{
    height: 150px;
  }
}

.notice{
  background: color-mix(in srgb, var(--brand) 18%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--brand) 45%, var(--border));
  color: var(--text);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.embed{
  width:100%;
  height: 900px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}

/* Typing headline */
.headline{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0;
}

.headline-base{
  white-space: nowrap;
}

.headline-punct{
  white-space: nowrap;
}

.typed-wrap{
  display: inline-flex;
  align-items: baseline;
}

.typed-wrap.hidden{
  display: none;
}

.typed-space{
  white-space: pre;
}

.cursor{
  display: inline-block;
  margin-left: 2px;
  color: var(--muted);
  animation: blink 1.2s step-end infinite;
}

.cursor.hidden{
  display: none;
}

@keyframes blink{
  50% { opacity: 0; }
}

/* Accessible focus */
:focus-visible{
  outline: 3px solid color-mix(in srgb, var(--brand) 65%, transparent);
  outline-offset: 3px;
  border-radius: 12px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* About page avatar */
.about-hero{
  display:flex;
  gap: 14px;
  align-items: center;
}

.avatar{
  width: 160px;
  height: 160px;
  border-radius: 999px;
  object-fit: cover;

  /* visible ring */
  box-shadow:
    0 0 0 3px rgba(255,255,255,.25),
    0 10px 30px rgba(0,0,0,.35);

  background: color-mix(in srgb, var(--panel) 70%, transparent);
}

@media (max-width: 520px){
  .about-hero{
    flex-direction: column;
    align-items: flex-start;
  }
  .avatar{
    width: 120px;
    height: 120px;
  }
}