/* =====================================================================
   Thomas Lhermerout — CV Web
   Identité : encre nuit + or (cohérente avec le CV PDF)
   ===================================================================== */

/* ---------- Fonts ---------- */
@font-face{font-family:'Playfair';src:url('../fonts/Playfair.ttf') format('truetype');font-weight:400 900;font-display:swap;}
@font-face{font-family:'Inter';src:url('../fonts/Inter.ttf') format('truetype');font-weight:100 900;font-display:swap;}
@font-face{font-family:'Manrope';src:url('../fonts/Manrope.ttf') format('truetype');font-weight:200 800;font-display:swap;}

/* ---------- Tokens ---------- */
:root{
  --ink-0:#080d19;
  --ink-1:#0b1120;
  --ink-2:#0e1424;
  --ink-3:#131c30;
  --panel:#16203a;
  --gold:#d8b36a;
  --gold-soft:#e7cf9d;
  --gold-deep:#b8954c;
  --paper:#f6f3ec;
  --text:#e9edf5;
  --muted:#8b96a8;
  --muted-2:#6b7688;
  --line:rgba(216,179,106,.18);
  --line-soft:rgba(255,255,255,.08);
  --radius:16px;
  --maxw:1120px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:84px;}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--ink-1);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
::selection{background:var(--gold);color:var(--ink-1);}

/* ---------- Layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{
  font-family:'Manrope';font-weight:700;font-size:.72rem;
  letter-spacing:.32em;text-transform:uppercase;color:var(--gold);
  display:inline-flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:linear-gradient(90deg,var(--gold),transparent);}
.section{padding:110px 0;position:relative;}
.section-head{margin-bottom:56px;max-width:640px;}
.section-head h2{
  font-family:'Playfair';font-weight:800;font-size:clamp(2rem,4.2vw,3.1rem);
  line-height:1.05;margin-top:18px;letter-spacing:.3px;
}
.section-head h2 .accent{color:var(--gold);}
.section-head p{color:var(--muted);margin-top:14px;font-size:1.02rem;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Manrope';font-weight:600;font-size:.94rem;letter-spacing:.02em;
  padding:14px 26px;border-radius:40px;cursor:pointer;border:1px solid transparent;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease),color .35s var(--ease);
}
.btn svg{width:18px;height:18px;}
.btn-gold{
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));
  color:var(--ink-1);box-shadow:0 12px 30px -12px rgba(216,179,106,.7);
}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 18px 40px -12px rgba(216,179,106,.85);}
.btn-ghost{border-color:rgba(255,255,255,.22);color:var(--text);}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-3px);}

/* ---------- Navbar ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .4s var(--ease),backdrop-filter .4s var(--ease),border-color .4s var(--ease),padding .4s var(--ease);
  border-bottom:1px solid transparent;padding:22px 0;
}
.nav.stuck{
  background:rgba(9,14,26,.82);backdrop-filter:blur(14px);
  border-bottom-color:var(--line-soft);padding:14px 0;
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;gap:12px;font-family:'Playfair';font-weight:700;font-size:1.15rem;}
.brand .mono{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(140deg,var(--gold),var(--gold-deep));
  color:var(--ink-1);display:flex;align-items:center;justify-content:center;
  font-family:'Manrope';font-weight:800;font-size:1rem;letter-spacing:-.02em;
}
.brand span .sub{display:block;font-family:'Manrope';font-weight:500;font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  font-family:'Manrope';font-weight:500;font-size:.86rem;letter-spacing:.04em;
  color:var(--muted);position:relative;padding:4px 0;transition:color .3s var(--ease);
}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:width .3s var(--ease);}
.nav-links a:hover,.nav-links a.active{color:var(--text);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-cta{margin-left:6px;padding:10px 20px;font-size:.85rem;}
.burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:6px;}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s var(--ease);}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(160deg,var(--ink-0) 0%,var(--ink-2) 55%,var(--ink-1) 100%);}
.hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(900px 500px at 82% 20%,rgba(216,179,106,.14),transparent 55%),
            radial-gradient(700px 500px at 8% 90%,rgba(216,179,106,.06),transparent 50%);}
.hero .grid-lines{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(circle at 70% 40%,#000,transparent 78%);}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;width:100%;padding-top:90px;padding-bottom:60px;}
.hero-copy .eyebrow{margin-bottom:22px;}
.hero-copy h1{font-family:'Playfair';font-weight:800;font-size:clamp(2.8rem,6.4vw,5rem);line-height:1;letter-spacing:.5px;}
.hero-copy h1 .last{display:block;color:var(--gold);}
.hero-role{font-family:'Manrope';font-weight:500;font-size:clamp(1rem,1.7vw,1.22rem);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:24px;}
.hero-lead{color:#c3ccdb;max-width:520px;margin-top:24px;font-size:1.05rem;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px;}
.hero-meta{display:flex;gap:34px;margin-top:44px;flex-wrap:wrap;}
.hero-meta .item{}
.hero-meta .k{font-family:'Playfair';font-weight:800;font-size:1.7rem;color:var(--gold);}
.hero-meta .v{font-family:'Manrope';font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:2px;}

.hero-photo{justify-self:center;position:relative;}
.hero-photo .halo{position:absolute;inset:-30px;border-radius:50%;background:radial-gradient(circle,rgba(216,179,106,.28),transparent 68%);filter:blur(6px);animation:pulse 6s ease-in-out infinite;}
.hero-photo .ring{position:relative;width:min(360px,72vw);aspect-ratio:1;border-radius:50%;padding:6px;
  background:conic-gradient(from 140deg,var(--gold),var(--gold-soft),var(--gold-deep),var(--gold));
  box-shadow:0 40px 80px -30px rgba(0,0,0,.8);}
.hero-photo .ring::after{content:"";position:absolute;inset:6px;border-radius:50%;border:3px solid var(--ink-1);}
.hero-photo img{width:100%;height:100%;border-radius:50%;object-fit:cover;position:relative;z-index:2;}
.hero-photo .chip{position:absolute;z-index:3;background:rgba(14,20,36,.9);border:1px solid var(--line);backdrop-filter:blur(8px);
  border-radius:14px;padding:11px 16px;display:flex;align-items:center;gap:10px;box-shadow:0 18px 40px -18px rgba(0,0,0,.7);}
.hero-photo .chip .dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(216,179,106,.2);}
.hero-photo .chip .t{font-family:'Manrope';font-size:.8rem;font-weight:600;}
.hero-photo .chip .s{font-size:.68rem;color:var(--muted);}
.hero-photo .chip.c1{top:8%;left:-6%;animation:float 5s ease-in-out infinite;}
.hero-photo .chip.c2{bottom:10%;right:-8%;animation:float 5s ease-in-out infinite .8s;}

.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted);}
.scroll-cue .mouse{width:24px;height:38px;border:2px solid var(--muted);border-radius:14px;position:relative;}
.scroll-cue .mouse::after{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);width:4px;height:7px;border-radius:3px;background:var(--gold);animation:wheel 1.8s ease-in-out infinite;}
.scroll-cue span{font-family:'Manrope';font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;}

@keyframes pulse{0%,100%{opacity:.7;transform:scale(1);}50%{opacity:1;transform:scale(1.05);}}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-12px);}}
@keyframes wheel{0%{opacity:0;transform:translate(-50%,0);}40%{opacity:1;}100%{opacity:0;transform:translate(-50%,12px);}}

/* ---------- Profile ---------- */
.about{background:var(--ink-1);}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.about-lead{font-family:'Playfair';font-size:clamp(1.4rem,2.6vw,1.9rem);line-height:1.4;font-weight:500;}
.about-lead b{color:var(--gold);font-weight:700;}
.about-body p{color:#b9c2d1;margin-bottom:16px;}
.about-body p b{color:var(--text);}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px;}
.fact{background:var(--ink-3);border:1px solid var(--line-soft);border-radius:14px;padding:16px 18px;transition:border-color .3s var(--ease),transform .3s var(--ease);}
.fact:hover{border-color:var(--line);transform:translateY(-3px);}
.fact .ic{width:34px;height:34px;border-radius:9px;background:rgba(216,179,106,.12);display:flex;align-items:center;justify-content:center;margin-bottom:10px;}
.fact .ic svg{width:18px;height:18px;stroke:var(--gold);}
.fact .lbl{font-family:'Manrope';font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);}
.fact .val{font-weight:600;font-size:.98rem;margin-top:2px;}

/* ---------- AI banner (robot.jpg parallax) ---------- */
.banner{position:relative;min-height:440px;display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(8,13,25,.92),rgba(8,13,25,.55)),url('../img/robot.jpg');
  background-size:cover;background-position:center;background-attachment:fixed;}
.banner .wrap{position:relative;z-index:2;max-width:760px;}
.banner .eyebrow{color:var(--gold-soft);}
.banner h2{font-family:'Playfair';font-weight:800;font-size:clamp(2rem,4.4vw,3.2rem);line-height:1.08;margin:18px 0 16px;}
.banner h2 .accent{color:var(--gold);}
.banner p{color:#cfd6e2;font-size:1.08rem;max-width:600px;}
.banner .tick{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.banner .tick span{font-family:'Manrope';font-size:.82rem;padding:8px 16px;border-radius:30px;border:1px solid var(--line);background:rgba(216,179,106,.08);color:var(--gold-soft);}

/* ---------- Education timeline ---------- */
.edu{background:var(--ink-2);}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:38px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--gold),rgba(216,179,106,.15));}
.tl-item{position:relative;margin-bottom:34px;}
.tl-item:last-child{margin-bottom:0;}
.tl-node{position:absolute;left:-38px;top:2px;width:20px;height:20px;border-radius:50%;background:var(--ink-2);border:3px solid var(--gold);box-shadow:0 0 0 5px var(--ink-2),0 0 0 6px rgba(216,179,106,.2);display:flex;align-items:center;justify-content:center;}
.tl-node i{width:6px;height:6px;border-radius:50%;background:var(--gold);}
.tl-card{background:var(--ink-3);border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px 26px;transition:transform .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);}
.tl-card:hover{transform:translateX(6px);border-color:var(--line);box-shadow:-8px 12px 30px -18px rgba(0,0,0,.7);}
.tl-year{font-family:'Manrope';font-weight:700;font-size:.78rem;letter-spacing:.1em;color:var(--gold);display:inline-block;margin-bottom:8px;}
.tl-card h3{font-family:'Playfair';font-weight:700;font-size:1.35rem;line-height:1.2;}
.tl-org{color:var(--muted);font-size:.95rem;margin-top:4px;}
.tl-org .loc{color:var(--muted-2);}
.tl-desc{color:#aeb8c6;font-size:.92rem;margin-top:10px;}

/* ---------- Skills ---------- */
.skills{background:var(--ink-1);}
.skill-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.skill-card{background:var(--ink-3);border:1px solid var(--line-soft);border-radius:var(--radius);padding:28px 24px;position:relative;overflow:hidden;transition:transform .4s var(--ease),border-color .4s var(--ease);}
.skill-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--gold),transparent);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);}
.skill-card:hover{transform:translateY(-8px);border-color:var(--line);}
.skill-card:hover::before{transform:scaleX(1);}
.skill-card .ic{width:52px;height:52px;border-radius:14px;background:linear-gradient(150deg,var(--panel),var(--ink-2));display:flex;align-items:center;justify-content:center;margin-bottom:18px;border:1px solid var(--line-soft);}
.skill-card .ic svg{width:26px;height:26px;stroke:var(--gold);}
.skill-card h3{font-family:'Manrope';font-weight:700;font-size:1.08rem;margin-bottom:8px;}
.skill-card p{color:var(--muted);font-size:.9rem;}

/* ---------- Contact ---------- */
.contact{background:linear-gradient(180deg,var(--ink-1),var(--ink-0));}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start;}
.contact-info .row{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px;}
.contact-info .ic{width:46px;height:46px;flex:none;border-radius:12px;background:rgba(216,179,106,.1);border:1px solid var(--line-soft);display:flex;align-items:center;justify-content:center;}
.contact-info .ic svg{width:20px;height:20px;stroke:var(--gold);}
.contact-info .lbl{font-family:'Manrope';font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);}
.contact-info .val{font-weight:600;font-size:1rem;margin-top:2px;word-break:break-word;}
.contact-info .val a:hover{color:var(--gold);}

.form{background:var(--ink-3);border:1px solid var(--line-soft);border-radius:22px;padding:34px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:18px;}
.field label{display:block;font-family:'Manrope';font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;background:var(--ink-1);border:1px solid var(--line-soft);border-radius:12px;
  padding:14px 16px;color:var(--text);font-family:inherit;font-size:.96rem;transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(216,179,106,.15);}
.field textarea{resize:vertical;min-height:130px;}
.form .btn-gold{width:100%;justify-content:center;margin-top:4px;}
.form-note{font-size:.82rem;color:var(--muted);margin-top:14px;text-align:center;}
.form-msg{display:none;margin-top:16px;padding:14px 16px;border-radius:12px;font-size:.9rem;font-weight:500;}
.form-msg.ok{display:block;background:rgba(216,179,106,.12);border:1px solid var(--line);color:var(--gold-soft);}
.form-msg.err{display:block;background:rgba(255,90,90,.1);border:1px solid rgba(255,90,90,.35);color:#ff9b9b;}

/* ---------- Footer ---------- */
.footer{background:var(--ink-0);border-top:1px solid var(--line-soft);padding:40px 0;}
.footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.footer .brand{font-size:1rem;}
.footer .socials{display:flex;gap:12px;}
.footer .socials a{width:40px;height:40px;border-radius:11px;border:1px solid var(--line-soft);display:flex;align-items:center;justify-content:center;color:var(--muted);transition:.3s var(--ease);}
.footer .socials a:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-3px);}
.footer .socials svg{width:18px;height:18px;}
.copyright{font-family:'Manrope';font-size:.82rem;color:var(--muted);letter-spacing:.04em;}
.copyright b{color:var(--gold);font-weight:600;}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.in{opacity:1;transform:none;}
.reveal[data-d="1"]{transition-delay:.08s;}
.reveal[data-d="2"]{transition-delay:.16s;}
.reveal[data-d="3"]{transition-delay:.24s;}
.reveal[data-d="4"]{transition-delay:.32s;}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero .wrap{grid-template-columns:1fr;text-align:center;gap:44px;}
  .hero-copy .eyebrow,.hero-actions,.hero-meta{justify-content:center;}
  .hero-lead{margin-left:auto;margin-right:auto;}
  .hero-photo{order:-1;}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:36px;}
  .skill-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:720px){
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(78vw,320px);flex-direction:column;justify-content:center;gap:26px;
    background:rgba(9,14,26,.97);backdrop-filter:blur(16px);transform:translateX(100%);transition:transform .4s var(--ease);padding:40px;border-left:1px solid var(--line-soft);}
  .nav-links.open{transform:none;}
  .nav-links a{font-size:1.05rem;}
  .nav-cta{display:none;}
  .burger{display:flex;z-index:70;}
  .burger.x span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .burger.x span:nth-child(2){opacity:0;}
  .burger.x span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .section{padding:80px 0;}
  .form-row{grid-template-columns:1fr;}
  .facts{grid-template-columns:1fr;}
}
@media(max-width:480px){
  .skill-grid{grid-template-columns:1fr;}
  .hero-meta{gap:22px;}
}

/* ---------- Reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
  .banner{background-attachment:scroll;}
}