/* css/style.css */
:root{
  --bg:#0b0d12;
  --panel:#101522;
  --text:#eef2ff;
  --muted:#aab3cf;
  --line:rgba(255,255,255,.10);
  --accent:#7aa2ff;
  --accent2:#8bffc6;
  --shadow: 0 18px 40px rgba(0,0,0,.35);
  --radius:18px;
  --wrap: 1040px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--text);
  background: var(--bg);
  line-height:1.5;
}

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

.wrap{
  width:min(var(--wrap), calc(100% - 40px));
  margin:0 auto;
}

.skip{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip:focus{
  left:16px;
  top:16px;
  width:auto;
  height:auto;
  padding:10px 12px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  z-index:9999;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(10,12,18,.70);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
}
.brand-mark{
  width:10px;
  height:10px;
  border-radius:50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 4px rgba(122,162,255,.12);
}

.site-nav{
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-link{
  padding:8px 10px;
  border-radius:12px;
  color:var(--muted);
}
.nav-link.active{
  color:var(--text);
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
}

.nav-toggle{
  display:none;
  border:1px solid var(--line);
  background: rgba(255,255,255,.05);
  border-radius:12px;
  padding:10px 12px;
  color:var(--text);
}
.burger{
  display:block;
  width:18px;
  height:2px;
  background: var(--text);
  position:relative;
}
.burger::before,.burger::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background: var(--text);
}
.burger::before{ top:-6px; }
.burger::after{ top:6px; }

@media (max-width: 760px){
  .nav-toggle{ display:inline-flex; }
  .site-nav{
    position:absolute;
    right:20px;
    top:62px;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:10px;
    width:min(240px, calc(100% - 40px));
    background: rgba(16,21,34,.95);
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow: var(--shadow);
    display:none;
  }
  .site-nav.open{ display:flex; }
  .nav-link{ width:100%; }
}

.hero{ padding:54px 0 18px; }
.hero-inner{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:28px;
  align-items:center;
}
.hero-copy h1{
  font-size: clamp(34px, 5vw, 54px);
  line-height:1.05;
  margin:0 0 12px;
}
.lead{
  margin:0 0 18px;
  color:var(--muted);
  font-size: 18px;
  max-width: 60ch;
}
.cta-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin: 16px 0 14px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  font-weight:600;
}

/* FINAL button rules — must be last */
.btn{
  color: var(--text);
  border: 1px solid rgba(255,255,255,.10);
  background: transparent; /* base has no background */
  box-shadow: none;
  transition: background .12s ease, border-color .12s ease, transform .05s ease, opacity .12s ease;
}

/* disabled */
button.btn:disabled,
button.btn[aria-disabled="true"]{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.10);
  opacity: .75;
  cursor: not-allowed;
}

/* enabled (button only, avoids turning <a class="btn"> green) */
button.btn:not(:disabled){
  background: rgba(255, 255, 255, .28);
  border-color: rgba(255, 255, 255, .70);
  opacity: 1;
  cursor: pointer;
}

button.btn:not(:disabled):hover{
  background: rgba(255, 255, 255, .36);
  border-color: rgba(255, 255, 255, .85);
  transform: translateY(-1px);
}

button.btn:not(:disabled):active{
  transform: translateY(0px);
}

.btn:hover{ text-decoration:none; border-color: rgba(255,255,255,.18); }
.btn-ghost{
  background: rgba(255,255,255,.06);
  box-shadow:none;
}
.quick-points{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top: 10px;
}
.chip{
  font-size:13px;
  color: var(--muted);
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  padding:6px 10px;
  border-radius:999px;
}

.hero-photo{
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:16px;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
}
.hero-photo img{
  width:100%;
  height:auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: calc(var(--radius) - 6px);
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.2);
}
.photo-note{
  margin:10px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.photo-note code{
  padding:2px 6px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:8px;
  background: rgba(0,0,0,.25);
}

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

.page-hero{ padding: 34px 0 8px; }
.page-hero h1{
  margin:0 0 10px;
  font-size: clamp(28px, 4.2vw, 42px);
  line-height:1.1;
}

.section{ padding: 22px 0 44px; }

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
@media (max-width: 980px){
  .cards{ grid-template-columns: 1fr; }
}

.card{
  display:block;
  padding:16px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
}
.card h2,.card h3{ margin:0 0 8px; }
.card p{ margin:0; color: var(--muted); }

.projects-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:14px;
}
@media (max-width: 980px){
  .projects-grid{ grid-template-columns: 1fr; }
}
.project{
  padding:16px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
}
.project h2{ margin:0; }
.project p{ margin:10px 0 0; color: var(--muted); }
.project-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
}
.tag-row{ display:flex; gap:6px; flex-wrap:wrap; justify-content:flex-end; }
.tag{
  font-size:12px;
  color: var(--muted);
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  padding:4px 8px;
  border-radius:999px;
}
.project-links{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:14px;
}

.form{ display:grid; gap:12px; }
label{ display:grid; gap:6px; color: var(--muted); font-size: 14px; }
input, textarea{
  width:100%;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  color: var(--text);
  font: inherit;
}
input:focus, textarea:focus{
  outline:none;
  border-color: rgba(122,162,255,.6);
  box-shadow: 0 0 0 4px rgba(122,162,255,.12);
}
.tiny{ font-size: 12px; }

.link-list{
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.pill-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin: 10px 0 0;
  padding:0;
  list-style:none;
}
.pill{
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size: 13px;
}
.check-list{
  margin:10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.check-list li{
  margin: 0 0 8px;
}
.check-list li:last-child{
  margin-bottom: 0;
}

.site-footer{
  border-top:1px solid var(--line);
  background: rgba(10,12,18,.65);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  padding: