:root{
  --teal:#3a9a96; --teal-dark:#2b7774; --teal-soft:#e6f3f2;
  --ink:#1c2526; --muted:#5b6869; --line:#dbe5e4;
  --bg:#fbfcfc; --card:#ffffff;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --teal:#5cc0bb; --teal-dark:#8fd8d4; --teal-soft:#16302f;
    --ink:#e8eeee; --muted:#9fb0b0; --line:#2a3a3a;
    --bg:#0f1616; --card:#162020;
  }
}
:root[data-theme="dark"]{
    --teal:#5cc0bb; --teal-dark:#8fd8d4; --teal-soft:#16302f;
    --ink:#e8eeee; --muted:#9fb0b0; --line:#2a3a3a;
    --bg:#0f1616; --card:#162020;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Open Sans",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
h1,h2,h3,.nav a,.tag{font-family:Montserrat,sans-serif}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* Nav */
.nav{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:Montserrat;font-weight:800;letter-spacing:.04em;text-decoration:none}
.logo span{color:var(--teal)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav ul{display:flex;gap:28px;list-style:none}
.theme-toggle{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;display:grid;place-items:center;transition:border-color .2s,color .2s}
.theme-toggle:hover{border-color:var(--teal);color:var(--teal)}
.nav-right ul{margin-right:16px}
.lang-switch{height:40px;min-width:40px;padding:0 10px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);display:grid;place-items:center;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-decoration:none;transition:border-color .2s,color .2s}
.lang-switch:hover{border-color:var(--teal);color:var(--teal)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .sun{display:none}
:root[data-theme="dark"] .theme-toggle .sun{display:block}
:root[data-theme="dark"] .theme-toggle .moon{display:none}
.nav ul a{text-decoration:none;font-size:.85rem;font-weight:600;color:var(--muted);transition:color .2s}
.nav ul a:hover{color:var(--teal)}

/* Hero */
.hero{position:relative;overflow:hidden;padding:96px 0 110px}
.hero::before{content:"";position:absolute;width:760px;height:760px;border-radius:50%;background:var(--teal);right:-260px;top:-300px}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-family:Montserrat;font-weight:700;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);margin-bottom:18px}
.hero h1{font-size:clamp(2.6rem,6vw,4.4rem);line-height:1.02;font-weight:800;letter-spacing:-.01em;margin-bottom:22px}
.hero p.lead{font-size:1.15rem;color:var(--muted);max-width:34em;margin-bottom:34px}
.btns{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-family:Montserrat;font-weight:700;font-size:.9rem;text-decoration:none;transition:transform .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:18px;height:18px;flex:none}
.btn.primary{background:var(--teal);color:#fff}
.btn.primary:hover{background:var(--teal-dark)}
.btn.ghost{border:2px solid var(--line)}
.btn.ghost:hover{border-color:var(--teal)}
.portrait{justify-self:center;position:relative}
.portrait img{width:min(340px,70vw);height:auto;display:block;border-radius:50%;box-shadow:0 30px 60px -20px rgba(0,0,0,.35)}
.portrait::after{content:"";position:absolute;inset:-14px;border:2px dashed #fff;border-radius:50%;opacity:.6}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-top:-50px;position:relative}
.stat{background:var(--card);padding:28px 24px;text-align:center}
.stat b{display:block;font-family:Montserrat;font-size:2.3rem;font-weight:800;color:var(--teal);line-height:1.1}
.stat span{font-size:.88rem;color:var(--muted)}

/* Sections */
section{padding:96px 0 0}
.sec-head{margin-bottom:44px}
.sec-head h2{font-size:clamp(1.7rem,3.5vw,2.3rem);font-weight:800;text-transform:uppercase;letter-spacing:.02em}
.sec-head h2::after{content:"";display:block;width:64px;height:4px;background:var(--teal);border-radius:4px;margin-top:14px}

/* About */
.about{display:grid;grid-template-columns:1.2fr 1fr;gap:48px}
.about p{margin-bottom:16px;font-size:1.05rem}
.pillars{display:grid;gap:14px}
.pillar{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:12px;padding:18px 20px}
.pillar h3{font-size:.95rem;margin-bottom:4px}
.pillar p{font-size:.92rem;color:var(--muted);margin:0}

/* Timeline */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--line)}
.job{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 28px;margin-bottom:22px;transition:box-shadow .25s,transform .25s}
.job:hover{box-shadow:0 18px 40px -22px rgba(0,0,0,.3);transform:translateY(-2px)}
.job::before{content:"";position:absolute;left:-33px;top:30px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:4px solid var(--teal)}
.job-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 20px;margin-bottom:12px}
.job h3{font-size:1.08rem;text-transform:uppercase}
.job h3 em{font-style:normal;color:var(--teal)}
.date{font-style:italic;color:var(--muted);font-size:.92rem}
.job ul{padding-left:18px}
.job li{margin-bottom:6px}
.job li::marker{color:var(--teal)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:.75rem;font-weight:600;padding:5px 12px;border-radius:999px;background:var(--teal-soft);color:var(--teal-dark)}

/* Clients */
.clients{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.client{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center;font-family:Montserrat;font-weight:700;font-size:.88rem;display:flex;align-items:center;justify-content:center;min-height:72px}
.client-group{margin-bottom:32px}
.group-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px;margin-bottom:14px}
.group-head h3{font-size:1rem;text-transform:uppercase;letter-spacing:.03em}
.group-head span{font-size:.75rem;font-family:Montserrat;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--teal-soft);color:var(--teal-dark)}
.client small{display:block;font-weight:500;color:var(--muted);font-size:.72rem;margin-top:2px}

/* Skills */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.card h3{font-size:1rem;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.icon{width:36px;height:36px;border-radius:10px;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center;flex:none}
.icon svg{width:20px;height:20px}
.lang{margin-bottom:12px}
.lang-row{display:flex;justify-content:space-between;font-size:.9rem;margin-bottom:5px}
.bar{height:6px;background:var(--line);border-radius:6px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--teal);border-radius:6px}

/* Education */
.edu{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.edu .card .date{display:block;margin-bottom:8px}
.edu .card h3{display:block;line-height:1.35}
.edu ul{padding-left:18px;color:var(--muted);font-size:.93rem}
.edu li::marker{color:var(--teal)}

/* Contact */
.contact{margin:96px 0 0;background:var(--teal);color:#fff;border-radius:24px;padding:56px 48px;display:grid;grid-template-columns:1.3fr 1fr;gap:36px;align-items:center;position:relative;overflow:hidden}
.contact::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.08);right:-80px;bottom:-140px}
.contact h2{font-size:clamp(1.6rem,3.5vw,2.2rem);font-weight:800;margin-bottom:10px}
.contact p{opacity:.9}
.contact-list{list-style:none;display:grid;gap:12px;position:relative;z-index:1}
.contact-list a,.contact-list span{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:600;background:rgba(255,255,255,.14);padding:14px 18px;border-radius:12px;transition:background .2s}
.contact-list a:hover{background:rgba(255,255,255,.24)}
.contact-list svg{width:20px;height:20px;flex:none}
footer{text-align:center;color:var(--muted);font-size:.85rem;padding:40px 0}

/* Reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* Responsive */
@media (max-width:860px){
  .nav ul{display:none}
  .hero{padding:64px 0 90px}
  .hero::before{width:520px;height:520px;right:-200px;top:-280px}
  .hero .wrap,.about,.contact,.edu{grid-template-columns:1fr}
  .portrait{order:-1}
  .portrait img{width:min(240px,60vw)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid3{grid-template-columns:1fr}
  .contact{padding:40px 24px}
}
@media (max-width:480px){
  .wrap{padding:0 16px}
  .job{padding:22px 20px}
  .timeline{padding-left:26px}
  .job::before{left:-25px}
  .timeline::before{left:4px}
}

/* Utilitaires */
.card h3.spaced{margin-top:22px}
.school{color:var(--teal)}
.bar i.lvl-c1{width:90%}
.bar i.lvl-a2{width:35%}