/* Layout: one-page site, seções trocadas pela navegação; grade técnica só na abertura. Tokens do design system Vortex Infra. */
:root{
  --blue-50:#EAF5FC;--blue-100:#CDE8F8;--blue-300:#6FBDEA;--blue-500:#2090E0;--blue-600:#1577C2;--blue-700:#115F9C;--blue-900:#0E3A5E;
  --teal-500:#008390;
  --n0:#FFFFFF;--n50:#F6F8FA;--n100:#EDF1F5;--n200:#DCE3EB;--n300:#C2CCD6;--n400:#9AA7B4;--n500:#6B7885;--n700:#353F47;--n800:#222A30;--n900:#11161A;
  --bg:var(--n50);--card:var(--n0);--sunken:var(--n100);--inverse:var(--n900);
  --fg:var(--n700);--fg-strong:var(--n900);--muted:var(--n500);--subtle:var(--n400);
  --brand:var(--blue-500);--brand-strong:var(--blue-700);--link:var(--blue-600);--soft:var(--blue-50);
  --border:var(--n200);--border-2:var(--n300);
  --grid:rgba(32,144,224,.22);
  --logo:url("/assets/logo-vortex.png");--logo-w:url("/assets/logo-vortex-white.png");
  --display:'Space Grotesk','IBM Plex Sans',system-ui,sans-serif;
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --shadow-xs:0 1px 2px rgba(17,22,26,.06);
  --focus:0 0 0 3px rgba(32,144,224,.3);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0F1419;--card:#161C23;--sunken:#1B232C;--inverse:#0B0F13;
  --fg:#C9D2DB;--fg-strong:#F2F5F8;--muted:#8E9BA8;--subtle:#6B7885;
  --brand:#43A6E2;--brand-strong:#6FBDEA;--link:#6FBDEA;--soft:#13263A;
  --border:#263039;--border-2:#34414D;--grid:rgba(111,189,234,.18);color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0F1419;--card:#161C23;--sunken:#1B232C;--inverse:#0B0F13;
  --fg:#C9D2DB;--fg-strong:#F2F5F8;--muted:#8E9BA8;--subtle:#6B7885;
  --brand:#43A6E2;--brand-strong:#6FBDEA;--link:#6FBDEA;--soft:#13263A;
  --border:#263039;--border-2:#34414D;--grid:rgba(111,189,234,.18);color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;color:var(--fg-strong);line-height:1.1;letter-spacing:-.02em;margin:0 0 16px;text-wrap:balance}
h1{font-size:clamp(34px,5vw,56px)}h2{font-size:clamp(26px,3.2vw,34px)}h3{font-size:22px}h4{font-size:18px}
p{margin:0 0 16px;text-wrap:pretty;max-width:68ch}
a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:none;box-shadow:var(--focus);border-radius:4px}
.eyebrow{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);margin:0 0 12px}
.wrap{max-width:1120px;margin:0 auto;padding-inline:20px}
.mono{font-family:var(--mono);font-size:13px;color:var(--muted)}

/* Header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:100;background:var(--card);border-bottom:1px solid var(--border)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:12px;color:inherit}
.brand:hover{text-decoration:none}
.logo{width:118px;height:36px;background:var(--logo) no-repeat left center/contain}
:root[data-theme="dark"] .logo{background-image:var(--logo-w)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .logo{background-image:var(--logo-w)}}
.brand span{font-family:var(--display);font-weight:600;font-size:18px;color:var(--fg-strong);letter-spacing:-.01em;padding-top:2px}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav a{font-size:14px;font-weight:500;color:var(--fg);padding:8px 10px;border-radius:4px;border-bottom:2px solid transparent}
nav a:hover{background:var(--sunken);text-decoration:none}
nav a[aria-current="page"]{color:var(--brand-strong);border-bottom-color:var(--brand)}
.lang{display:flex;gap:2px;font-family:var(--mono);font-size:12px}
.lang a{border:1px solid var(--border);color:var(--muted);padding:4px 8px;border-radius:3px}
.lang a:hover{text-decoration:none;color:var(--fg)}
.lang a[aria-current="true"]{color:var(--fg-strong);border-color:var(--border-2);background:var(--sunken)}

/* Pages */

section{padding-block:56px}
section+section{border-top:1px solid var(--border)}
section.sunken{background:var(--sunken)}

/* Hero */
.hero{background:var(--inverse);color:#DCE3EB;position:relative;padding-block:72px 64px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to right,rgba(0,0,0,.9),rgba(0,0,0,.15));pointer-events:none}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.9fr);gap:40px;align-items:end}
.hero h1{color:#fff;margin-bottom:20px}
.hero p{color:#C2CCD6;font-size:18px;max-width:56ch}
.hero .eyebrow{color:#6FBDEA}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-block;font-weight:500;font-size:14px;padding:11px 18px;border-radius:4px;border:1px solid transparent;transition:background 160ms cubic-bezier(.2,0,0,1)}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--blue-500);color:#fff}.btn-primary:hover{background:var(--blue-600)}
.btn-ghost{border-color:#4C5862;color:#EDF1F5}.btn-ghost:hover{background:rgba(255,255,255,.06)}
.hero-ref{border-left:1.5px solid #2090E0;padding-left:16px}
.hero-ref .eyebrow{color:#6FBDEA;margin-bottom:10px}
.hero-ref .chip{background:rgba(255,255,255,.06);border-color:#353F47;color:#EDF1F5}
.hero-ref p{margin:12px 0 0;font-size:14px}
.hero-ref a{color:#6FBDEA}
.hero h1{font-size:clamp(30px,4.2vw,48px)}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:6px;padding:24px;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;gap:8px;min-width:0}
.card .num{font-family:var(--mono);font-size:12px;color:var(--brand)}
.card h3{font-size:20px;margin:0}
.card p{margin:0;font-size:15px;color:var(--muted)}
.card a{margin-top:auto;font-size:14px;font-weight:500}

/* Bands */
.band{display:grid;grid-template-columns:200px minmax(0,1fr);gap:32px;align-items:start}
.band .eyebrow{margin:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chip{font-family:var(--mono);font-size:13px;color:var(--fg);background:var(--card);border:1px solid var(--border);border-radius:3px;padding:6px 10px}

/* Lists */
ul.tech{padding-left:20px;margin:0 0 16px;max-width:72ch}
ul.tech li{margin-bottom:6px}
.sit{font-size:14px;color:var(--muted);border-left:2px solid var(--blue-300);padding-left:12px;max-width:72ch}
.front{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:32px;padding-block:32px}
.front+.front{border-top:1px solid var(--border)}
.front h3{margin-bottom:8px}.front .num{font-family:var(--mono);color:var(--brand);font-size:13px;display:block;margin-bottom:8px}

/* Projects */
.filters{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 24px}
.filters button{font:inherit;font-size:13px;font-weight:500;background:var(--card);border:1px solid var(--border);color:var(--fg);padding:7px 12px;border-radius:999px;cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--blue-500);border-color:var(--blue-500);color:#fff}
.pgroup h3{font-size:18px;margin:24px 0 10px;padding-top:8px}
.ptable{width:100%;border-collapse:collapse;font-size:14px;background:var(--card);border:1px solid var(--border);border-radius:6px;overflow:hidden}
.ptable th{text-align:left;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500;padding:10px 12px;border-bottom:1px solid var(--border);background:var(--sunken)}
.ptable td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}
.ptable tr:last-child td{border-bottom:0}
.ptable td.name{font-weight:500;color:var(--fg-strong)}
.ptable td.when{font-family:var(--mono);font-size:13px;white-space:nowrap;color:var(--muted);font-variant-numeric:tabular-nums}
.tscroll{overflow-x:auto}
.ptable tr[hidden]{display:none}
.ref{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:8px}
.ref .card{padding:18px;gap:4px}.ref h4{margin:0;font-size:17px}.ref .mono{font-size:12px}

/* Sobre */
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px}
.timeline{list-style:none;padding:0;margin:0;border-left:1px solid var(--border-2)}
.timeline li{padding:0 0 18px 20px;position:relative;font-size:15px}
.timeline li::before{content:"";position:absolute;left:-5px;top:7px;width:9px;height:9px;background:var(--card);border:1.5px solid var(--brand);transform:rotate(45deg)}
.timeline .when{font-family:var(--mono);font-size:12px;color:var(--brand);display:block;margin-bottom:2px}
.pub{list-style:none;padding:0;margin:0 0 24px}
.pub li{padding:12px 0;border-top:1px solid var(--border);font-size:15px;max-width:76ch}
.pub li:last-child{border-bottom:1px solid var(--border)}
.pub .mono{display:block;margin-top:2px}

/* Contact */
.contact{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:40px}
.kv{display:grid;grid-template-columns:120px minmax(0,1fr);gap:10px 16px;font-size:15px}
.kv dt{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding-top:3px}
.kv dd{margin:0;color:var(--fg-strong)}
.copy{font:inherit;font-size:12px;font-family:var(--mono);background:none;border:1px solid var(--border);color:var(--muted);border-radius:3px;padding:2px 8px;margin-left:8px;cursor:pointer}

footer{border-top:1px solid var(--border);padding-block:28px;font-size:13px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
footer .logo{width:92px;height:28px;opacity:.85}

@media (max-width:860px){
  .hero .wrap,.cards,.band,.front,.two,.contact{grid-template-columns:1fr}
  header .wrap{flex-wrap:wrap;padding-block:10px}
  nav{order:3;width:100%}
  .hero{padding-block:48px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

.bio{display:grid;grid-template-columns:160px minmax(0,1fr);gap:24px;align-items:start}
.bio .photo{width:160px;aspect-ratio:4/5;max-width:100%;background:var(--sunken);border:1px solid var(--border);border-radius:6px;object-fit:cover;display:block}
@media (max-width:600px){.bio{grid-template-columns:1fr}}