/* =========================================================
   Gaëtan Steib · CV  |  Thème néo-tech / espace
   ========================================================= */

:root{
  --bg:#05060f;
  --bg2:#0a0c1c;
  --panel:rgba(18,20,38,.55);
  --panel-border:rgba(0,229,255,.16);
  --neon:#00e5ff;
  --neon2:#b14dff;
  --neon3:#ff2fb0;
  --text:#e9ebff;
  --muted:#8b8fb5;
  --font-display:'Orbitron',sans-serif;
  --font-body:'Rajdhani',system-ui,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background:radial-gradient(1200px 800px at 70% -10%,#141737 0%,var(--bg) 60%);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
  line-height:1.6;
  font-size:17px;
}
a{color:inherit;text-decoration:none;}
strong{color:var(--neon);font-weight:600;}

/* ---------- FOND SPATIAL ---------- */
#stars{position:fixed;inset:0;z-index:0;pointer-events:none;}
.glow{position:fixed;border-radius:50%;filter:blur(110px);opacity:.32;z-index:0;pointer-events:none;animation:float 16s ease-in-out infinite;}
.glow.a{width:460px;height:460px;background:var(--neon);top:-140px;left:-120px;}
.glow.b{width:420px;height:420px;background:var(--neon2);bottom:-160px;right:-120px;animation-delay:-6s;}
.glow.c{width:340px;height:340px;background:var(--neon3);top:45%;left:65%;animation-delay:-10s;}
@keyframes float{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(40px,-40px) scale(1.15);}}
.grid-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,229,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(177,77,255,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 75%);
}

/* ---------- BADGES / LOADER (partagés avec le splash) ---------- */
.badge{
  display:inline-block;font-family:var(--font-display);
  font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--neon);border:1px solid rgba(0,229,255,.4);border-radius:100px;
  padding:8px 18px;box-shadow:0 0 18px rgba(0,229,255,.22);
  animation:pulse 2.6s ease-in-out infinite;
}
@keyframes pulse{50%{box-shadow:0 0 30px rgba(0,229,255,.5);}}

.loader{width:170px;height:170px;position:relative;margin:0 auto;}
.ring{position:absolute;inset:0;border-radius:50%;border:3px solid transparent;}
.ring.r1{border-top-color:var(--neon);animation:spin 1.6s linear infinite;box-shadow:0 0 20px rgba(0,229,255,.4);}
.ring.r2{inset:22px;border-right-color:var(--neon2);animation:spin 2.2s linear infinite reverse;box-shadow:0 0 20px rgba(177,77,255,.4);}
.ring.r3{inset:44px;border-bottom-color:var(--neon3);animation:spin 1.9s linear infinite;box-shadow:0 0 20px rgba(255,47,176,.4);}
@keyframes spin{to{transform:rotate(360deg);}}
.loader .core{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:900;font-size:2rem;color:var(--neon);text-shadow:0 0 14px rgba(0,229,255,.7);}

.status{margin-top:8px;font-size:.98rem;color:var(--muted);letter-spacing:.05em;}
.dots::after{content:'';animation:dots 1.6s steps(4,end) infinite;}
@keyframes dots{0%{content:'';}25%{content:'.';}50%{content:'..';}75%{content:'...';}}
.bar{margin:26px auto 0;width:min(320px,72vw);height:5px;border-radius:100px;background:rgba(255,255,255,.08);overflow:hidden;}
.bar span{display:block;height:100%;width:40%;border-radius:100px;
  background:linear-gradient(90deg,var(--neon),var(--neon2),var(--neon3));
  box-shadow:0 0 16px rgba(0,229,255,.6);animation:slide 1.6s ease-in-out infinite;}
@keyframes slide{0%{transform:translateX(-120%);}100%{transform:translateX(320%);}}

/* ---------- SPLASH ---------- */
.splash{
  position:fixed;inset:0;z-index:100;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;
  background:radial-gradient(1000px 700px at 50% 30%,#12142e,var(--bg) 70%);
  transition:opacity .8s ease,visibility .8s ease;
}
.splash.hidden{opacity:0;visibility:hidden;}
.splash-name{font-family:var(--font-display);font-size:1.6rem;font-weight:700;letter-spacing:.08em;
  background:linear-gradient(90deg,var(--neon),var(--neon2),var(--neon3));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,5vw,60px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,padding .3s ease;
}
.nav.scrolled{background:rgba(5,6,15,.7);border-color:var(--panel-border);padding-top:12px;padding-bottom:12px;}
.logo{font-family:var(--font-display);font-weight:900;font-size:1.3rem;letter-spacing:.06em;color:var(--text);}
.logo span{color:var(--neon);}
.nav nav{display:flex;gap:22px;align-items:center;}
.nav nav a{font-weight:500;font-size:.98rem;color:var(--muted);transition:color .2s;position:relative;}
.nav nav a:hover{color:var(--neon);}
.nav nav a.cta{color:var(--neon);border:1px solid rgba(0,229,255,.45);border-radius:100px;padding:6px 16px;}
.nav nav a.cta:hover{background:rgba(0,229,255,.12);box-shadow:0 0 18px rgba(0,229,255,.3);}

/* ---------- CONTENU ---------- */
.content{position:relative;z-index:2;max-width:960px;margin:0 auto;padding:0 clamp(20px,5vw,40px) 80px;opacity:0;transition:opacity 1s ease;}
.content.show{opacity:1;}

.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- HERO ---------- */
.hero{min-height:92vh;display:flex;flex-direction:column;justify-content:center;gap:18px;padding-top:80px;}
.hero h1{font-family:var(--font-display);font-size:clamp(2.6rem,8vw,5rem);font-weight:900;line-height:1.02;letter-spacing:.01em;
  background:linear-gradient(90deg,var(--neon),var(--neon2),var(--neon3),var(--neon));background-size:300% auto;
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shine 7s linear infinite;}
@keyframes shine{to{background-position:300% center;}}
.hero .role{font-family:var(--font-display);font-size:clamp(1.05rem,2.6vw,1.5rem);font-weight:500;color:var(--text);letter-spacing:.02em;}
.hero .role .sep{color:var(--neon2);}
.hero .tagline{max-width:640px;font-size:1.15rem;color:var(--muted);}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px;}
.btn{font-family:var(--font-display);font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;font-weight:500;
  padding:13px 26px;border-radius:100px;transition:all .25s ease;border:1px solid transparent;}
.btn.primary{background:linear-gradient(90deg,var(--neon),var(--neon2));color:#05060f;box-shadow:0 0 24px rgba(0,229,255,.35);}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(177,77,255,.55);}
.btn.ghost{border-color:rgba(0,229,255,.4);color:var(--neon);}
.btn.ghost:hover{background:rgba(0,229,255,.1);transform:translateY(-2px);}
.hero-meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:14px;color:var(--muted);font-size:.98rem;}

/* ---------- SECTIONS ---------- */
.section{padding:60px 0;}
.section-title{font-family:var(--font-display);font-size:clamp(1.5rem,4vw,2.1rem);font-weight:700;margin-bottom:34px;letter-spacing:.02em;}
.section-title .hash{color:var(--neon2);}

/* A propos */
.about-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:34px;align-items:start;}
.about-text{font-size:1.12rem;color:#c7cbef;}
.stats{list-style:none;display:flex;flex-direction:column;gap:14px;}
.stats li{background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;padding:16px 20px;backdrop-filter:blur(6px);}
.stats li strong{display:block;font-family:var(--font-display);font-size:1.7rem;color:var(--neon);}
.stats li span{color:var(--muted);font-size:.95rem;}

/* Compétences */
.skills-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.skill-card{background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;padding:24px;backdrop-filter:blur(6px);transition:transform .25s,border-color .25s,box-shadow .25s;}
.skill-card:hover{transform:translateY(-4px);border-color:rgba(0,229,255,.4);box-shadow:0 12px 40px rgba(0,229,255,.12);}
.skill-card h3{font-family:var(--font-display);font-size:1.05rem;font-weight:500;color:var(--neon);margin-bottom:16px;letter-spacing:.03em;}
.tags{display:flex;flex-wrap:wrap;gap:9px;}
.tags span{font-size:.9rem;padding:6px 13px;border-radius:100px;background:rgba(0,229,255,.07);border:1px solid rgba(0,229,255,.22);color:#d6dbff;}

/* Timeline */
.timeline{display:flex;flex-direction:column;gap:44px;}
.tl-company .company{font-family:var(--font-display);font-size:1.2rem;font-weight:700;color:var(--text);margin-bottom:20px;padding-bottom:8px;border-bottom:1px solid var(--panel-border);}
.tl-company .company small{color:var(--muted);font-family:var(--font-body);font-weight:400;font-size:.85rem;}
.tl-item{position:relative;padding-left:30px;margin-bottom:22px;}
.tl-item::before{content:'';position:absolute;left:5px;top:6px;bottom:-22px;width:1px;background:linear-gradient(var(--neon),transparent);}
.tl-item:last-child::before{display:none;}
.tl-dot{position:absolute;left:0;top:4px;width:12px;height:12px;border-radius:50%;background:var(--neon);box-shadow:0 0 12px var(--neon);}
.tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.tl-head .job{font-weight:700;font-size:1.12rem;color:var(--text);}
.tl-head small{color:var(--muted);font-size:.85rem;}
.badge-small{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;padding:3px 10px;border-radius:100px;border:1px solid rgba(177,77,255,.4);color:var(--neon2);}
.badge-small.current{border-color:rgba(0,229,255,.5);color:var(--neon);box-shadow:0 0 12px rgba(0,229,255,.25);}
.period{display:block;color:var(--muted);font-size:.92rem;margin:3px 0 10px;}
.tl-body ul{list-style:none;display:flex;flex-direction:column;gap:5px;}
.tl-body ul li{position:relative;padding-left:18px;color:#c7cbef;}
.tl-body ul li::before{content:'▹';position:absolute;left:0;color:var(--neon2);}

/* Formation */
.edu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.edu-card{background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;padding:24px;backdrop-filter:blur(6px);transition:transform .25s,border-color .25s;}
.edu-card:hover{transform:translateY(-4px);border-color:rgba(177,77,255,.4);}
.edu-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:8px;}
.edu-head h3{font-family:var(--font-display);font-size:1.1rem;color:var(--neon);font-weight:500;}
.edu-title{font-weight:600;margin-bottom:8px;}
.edu-detail{color:#c7cbef;font-size:.98rem;}
.edu-detail.muted{color:var(--muted);font-size:.9rem;}

/* Langues */
.lang-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;}
.lang-card{background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;padding:22px 24px;backdrop-filter:blur(6px);transition:transform .25s,border-color .25s;}
.lang-card:hover{transform:translateY(-4px);border-color:rgba(0,229,255,.4);}
.lang-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:14px;flex-wrap:wrap;}
.lang-head h3{font-family:var(--font-display);font-size:1.15rem;font-weight:500;color:var(--text);}
.lang-level{font-size:.85rem;color:var(--neon);letter-spacing:.03em;}
.lang-bar{height:7px;border-radius:100px;background:rgba(255,255,255,.08);overflow:hidden;}
.lang-bar span{display:block;height:100%;width:var(--pct);border-radius:100px;
  background:linear-gradient(90deg,var(--neon),var(--neon2));box-shadow:0 0 14px rgba(0,229,255,.5);
  transform-origin:left;animation:langfill 1.2s ease forwards;}
@keyframes langfill{from{transform:scaleX(0);}to{transform:scaleX(1);}}
.lang-note{margin-top:10px;color:var(--muted);font-size:.9rem;}

/* Passions */
.passion-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;}
.passion-card{background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;padding:24px;backdrop-filter:blur(6px);transition:transform .25s,border-color .25s,box-shadow .25s;}
.passion-card:hover{transform:translateY(-4px);border-color:rgba(177,77,255,.45);box-shadow:0 12px 40px rgba(177,77,255,.14);}
.passion-icon{font-size:2rem;display:block;margin-bottom:10px;}
.passion-card h3{font-family:var(--font-display);font-size:1.1rem;font-weight:500;color:var(--neon);margin-bottom:8px;}
.passion-card p{color:#c7cbef;font-size:.98rem;margin-bottom:12px;}

/* Projets */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;}
.project-card{background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;padding:24px;backdrop-filter:blur(6px);transition:transform .25s,border-color .25s,box-shadow .25s;display:block;}
.project-card:hover{transform:translateY(-4px);border-color:rgba(0,229,255,.45);box-shadow:0 12px 40px rgba(0,229,255,.14);}
.project-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;}
.project-icon{font-size:1.8rem;}
.project-link{font-size:.85rem;color:var(--neon);font-family:var(--font-display);letter-spacing:.05em;}
.project-card h3{font-size:1.25rem;font-weight:700;margin-bottom:8px;}
.project-card p{color:#c7cbef;margin-bottom:14px;font-size:1rem;}

/* Contact */
.contact{text-align:center;}
.contact .section-title{text-align:left;}
.contact-lead{color:var(--muted);font-size:1.15rem;margin-bottom:26px;}
.contact-links{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.contact-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:100px;
  background:var(--panel);border:1px solid var(--panel-border);color:var(--text);font-weight:600;transition:all .25s;}
.contact-btn:not(.static):hover{transform:translateY(-3px);border-color:rgba(0,229,255,.5);box-shadow:0 0 24px rgba(0,229,255,.25);color:var(--neon);}
.contact-btn.static{cursor:default;color:var(--muted);}
.contact-btn .ci{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--neon),var(--neon2));color:#05060f;font-family:var(--font-display);font-size:.8rem;font-weight:700;}

/* Footer */
.footer{position:relative;z-index:2;text-align:center;padding:30px 20px 40px;color:var(--muted);font-size:.9rem;border-top:1px solid var(--panel-border);margin-top:20px;}

/* ---------- RESPONSIVE ---------- */
@media(max-width:760px){
  .nav nav{gap:14px;}
  .nav nav a:not(.cta){display:none;}
  .about-grid{grid-template-columns:1fr;}
  .skills-grid,.edu-grid{grid-template-columns:1fr;}
}
@media(max-width:480px){
  body{font-size:16px;}
  .hero{min-height:88vh;}
  .hero-actions{flex-direction:column;}
  .btn{text-align:center;}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  .content{opacity:1;}
}