:root{
  --bg:#f6f7f9; --surface:#ffffff; --surface-2:#eceff3; --text:#14181f; --muted:#5a6473; --muted-2:#b7c0cc;
  --line:#dfe3e9; --accent:#0e7c66; --accent-2:#0a5f4e; --accent-soft:#e1f3ee; --ok:#16a34a; --err:#c0392b;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px rgba(16,24,40,.06);
  --radius:14px; --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0d1117; --surface:#141a22; --surface-2:#1c2430; --text:#e6eaf0; --muted:#97a3b4; --muted-2:#3a4656;
    --line:#253040; --accent:#34d3a6; --accent-2:#5ee3bd; --accent-soft:#12302a; --shadow:none; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0d1117; --surface:#141a22; --surface-2:#1c2430; --text:#e6eaf0; --muted:#97a3b4; --muted-2:#3a4656;
  --line:#253040; --accent:#34d3a6; --accent-2:#5ee3bd; --accent-soft:#12302a; --shadow:none; color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,3vw,2.1rem)}
h3{font-size:1.05rem}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.dim{color:var(--muted)}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);font-size:1.05rem}
.brand:hover{text-decoration:none}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--accent);color:var(--bg);font-size:.8rem;letter-spacing:.04em}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:var(--muted);padding:8px 12px;border-radius:8px;font-size:.95rem}
.nav a:hover{color:var(--text);background:var(--surface-2);text-decoration:none}
.nav .nav-cta{color:var(--accent)}
.tools{display:flex;align-items:center;gap:6px}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang button{border:0;background:transparent;color:var(--muted);padding:6px 9px;font:600 .78rem/1 inherit;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--accent);color:var(--bg)}
.icon-btn{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--text);cursor:pointer}
.menu-btn{display:none}

/* hero */
.hero{padding:72px 0 56px}
.hero-in{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 18px;padding:5px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.85rem;font-weight:600}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok)}
h1{font-size:clamp(2.4rem,6vw,3.6rem);margin-bottom:6px}
.role{font-size:1.25rem;color:var(--muted);margin:0 0 18px;font-weight:500}
.lead{font-size:1.1rem;max-width:58ch;margin:0 0 28px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:10px;font-weight:600;font-size:1rem;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:var(--bg)}
.btn-primary:hover{background:var(--accent-2)}
.btn-primary:disabled{opacity:.6;cursor:wait}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2)}
.stats{display:flex;flex-wrap:wrap;gap:32px;list-style:none;padding:0;margin:36px 0 0}
.stats li{display:flex;flex-direction:column}
.stats b{font-size:1.6rem}
.stats span{color:var(--muted);font-size:.88rem}
.hero-photo{display:flex;flex-direction:column;align-items:center;gap:18px}
.photo-frame{position:relative;width:min(300px,70vw);aspect-ratio:1;border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--surface-2)}
.photo-frame img,.photo-placeholder{width:100%;height:100%;object-fit:cover;display:block}
.status-dot{position:absolute;right:16px;bottom:16px;width:16px;height:16px;border-radius:50%;background:var(--ok);border:3px solid var(--surface)}
.term{margin:0;width:min(340px,80vw);padding:14px 16px;border-radius:12px;background:#0b0f14;color:#c9d4e2;font:13px/1.55 var(--mono);border:1px solid #222b37;overflow:hidden}
.term .c{color:#5ee3bd}.term .ok{color:#4ade80}

/* sections */
.section{padding:80px 0}
.section.alt{background:var(--surface);border-block:1px solid var(--line)}
.section-lead{color:var(--muted);max-width:62ch;margin:0 0 36px}
.two-col{display:grid;grid-template-columns:1fr 2fr;gap:48px}
.prose p{margin:0 0 1em}
.checks{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px}
.checks li{padding-left:28px;position:relative}
.checks li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-size:.75rem;font-weight:700}

/* plans */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.plan{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.plan.featured{border-color:var(--accent);box-shadow:var(--shadow)}
.badge{position:absolute;top:-12px;left:24px;background:var(--accent);color:var(--bg);font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:999px}
.price{margin:4px 0;color:var(--muted)}
.price b{font-size:2rem;color:var(--text)}
.plan-for{color:var(--muted);font-size:.92rem;margin:0 0 16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.plan ul{list-style:none;padding:0;margin:0;display:grid;gap:9px;font-size:.95rem}
.plan li{padding-left:22px;position:relative}
.plan li::before{content:"";position:absolute;left:2px;top:.6em;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.note{margin:24px 0 0;color:var(--muted);font-size:.95rem}

/* skills */
.skills{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.skill{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.skill p{margin:0;color:var(--muted);font-size:.93rem}

/* timeline */
.timeline{list-style:none;padding:0;margin:0;border-left:2px solid var(--line);margin-left:6px}
.timeline>li{position:relative;padding:0 0 36px 28px}
.timeline>li::before{content:"";position:absolute;left:-8px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--accent);border:3px solid var(--surface)}
.when{font:600 .85rem var(--mono);color:var(--accent)}
.timeline h3{margin:6px 0 2px;font-size:1.15rem}
.where{color:var(--muted);margin:0 0 10px}
.timeline ul{margin:0;padding-left:18px;display:grid;gap:6px}

/* hardware */
.tag{display:inline-block;padding:4px 12px;border-radius:999px;border:1px dashed var(--muted-2);color:var(--muted);font-size:.85rem}
.hw-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.hw-card{display:flex;flex-direction:column;gap:8px;padding:18px;border-radius:12px;background:var(--surface);border:1px solid var(--line);font-size:.93rem}
.hw-ico{font-size:1.5rem;color:var(--accent)}

/* contact */
.contact-meta{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:14px}
.contact-meta span{display:block;color:var(--muted);font-size:.85rem}
.form{display:grid;gap:14px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{display:grid;gap:6px;font-size:.9rem;font-weight:600}
.form input,.form select,.form textarea{width:100%;padding:11px 12px;border-radius:9px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:400 1rem/1.4 inherit}
.form textarea{resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-status{margin:0;min-height:1.5em;font-size:.95rem}
.form-status.ok{color:var(--ok)}.form-status.err{color:var(--err)}

.footer{padding:28px 0;color:var(--muted);font-size:.9rem}
.footer-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* responsive */
@media (max-width:920px){
  .plans,.skills{grid-template-columns:1fr 1fr}
  .plans .plan:last-child{grid-column:1/-1}
}
@media (max-width:820px){
  .menu-btn{display:grid}
  .nav{position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;padding:8px 16px 16px;background:var(--bg);border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .tools{margin-left:auto}
  .hero{padding:40px 0}
  .hero-in,.two-col{grid-template-columns:1fr;gap:32px}
  .hero-photo{order:-1}
  .section{padding:56px 0}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  .plans,.skills,.hw-cards,.row2{grid-template-columns:1fr}
  .stats{gap:22px}
  .term{display:none}
}