/* ── variables ─────────────────────────────────────────────── */
:root{
  --bg:#f3f2ee; --surface:#fafaf8; --ink:#111318; --muted:#64686f; --dim:#a0a4ac;
  --line:rgba(0,0,0,0.07); --line-soft:rgba(0,0,0,0.04);
  --accent:#2040c4; --accent-hover:#1530a0; --accent-soft:#e8ecfb;
  --nav-bg:rgba(243,242,238,0.88);
  --shadow:0 20px 50px -16px rgba(0,0,0,.18);
  --display:'Bricolage Grotesque',system-ui,sans-serif;
  --sans:'Hanken Grotesk',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
html[data-theme="dark"]{
  --bg:#07080d; --surface:#0c0e18; --ink:#e4e7f5; --muted:#78809e; --dim:#464e6a;
  --line:rgba(255,255,255,0.07); --line-soft:rgba(255,255,255,0.04);
  --accent:#4d7cfe; --accent-hover:#6d94ff; --accent-soft:rgba(77,124,254,0.12);
  --nav-bg:rgba(7,8,13,0.88);
  --shadow:0 20px 60px -16px rgba(0,0,0,.8);
  --glow:rgba(77,124,254,0.18);
}

/* ── reset ──────────────────────────────────────────────────── */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:var(--accent) transparent}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--accent-hover)}

/* ── noise overlay ──────────────────────────────────────────── */
body::before{
  content:'';position:fixed;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:180px;
  pointer-events:none;z-index:9997;opacity:.025;
}

/* ── base ───────────────────────────────────────────────────── */
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased;transition:background-color .35s,color .35s}
a{color:inherit;text-decoration:none}
@media(hover:hover){body{cursor:none}a,button{cursor:none}}

/* ── custom cursor ──────────────────────────────────────────── */
#cur-dot{position:fixed;width:7px;height:7px;background:var(--accent);border-radius:50%;pointer-events:none;z-index:9999;transform:translate(-50%,-50%);transition:width .2s,height .2s,background .2s,opacity .2s;will-change:left,top}
#cur-ring{position:fixed;width:40px;height:40px;border:1.5px solid var(--accent);border-radius:50%;pointer-events:none;z-index:9998;transform:translate(-50%,-50%);opacity:.45;transition:width .35s cubic-bezier(0.16,1,0.3,1),height .35s cubic-bezier(0.16,1,0.3,1),opacity .35s,border-color .35s;will-change:left,top}
#cur-dot.on-link{width:12px;height:12px}
#cur-ring.on-link{width:64px;height:64px;opacity:.18}
@media(hover:none){#cur-dot,#cur-ring{display:none}}

/* ── scroll progress ────────────────────────────────────────── */
#scroll-bar{position:fixed;top:0;left:0;height:2px;width:0%;background:var(--accent);z-index:10000;transition:width .08s linear}

/* ── hero video background ──────────────────────────────────── */
#heroBg{position:fixed;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none;z-index:0;opacity:.35}
#heroOverlay{position:fixed;inset:0;pointer-events:none;z-index:1;background:linear-gradient(to bottom,rgba(7,8,13,.55) 0%,rgba(7,8,13,.3) 50%,rgba(7,8,13,.85) 100%)}
html:not([data-theme="dark"]) #heroBg{opacity:.28}
html:not([data-theme="dark"]) #heroOverlay{background:linear-gradient(to bottom,rgba(243,242,238,.35) 0%,rgba(243,242,238,.1) 40%,rgba(243,242,238,.6) 100%)}

/* ── canvas bg ──────────────────────────────────────────────── */
#netCanvas{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:2;opacity:.25}
nav{position:sticky;z-index:300!important}
#cur-dot{z-index:9999!important}
#cur-ring{z-index:9998!important}
div.wrap,section,.marquee-band,footer{position:relative;z-index:3}

/* ── wrap ───────────────────────────────────────────────────── */
.wrap{max-width:1040px;margin:0 auto;padding:0 36px}

/* ── nav ────────────────────────────────────────────────────── */
nav{position:sticky;top:0;z-index:50;background:var(--nav-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft);transition:background-color .35s,border-color .35s}
/* iOS Safari needs the -webkit- prefix ; sinon, navbar opaque pour éviter que le texte transparaisse derrière */
@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){nav{background:var(--bg)}}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:1.05rem;letter-spacing:-.01em}
.brand .dot{color:var(--accent)}
.brand-avatar{position:relative;flex:0 0 auto;width:30px;height:30px;border-radius:50%;overflow:hidden;background:var(--accent-soft);border:1px solid var(--line)}
.brand-avatar img{width:100%;height:100%;object-fit:cover;object-position:center 5%;display:block}
.brand-avatar .brand-ph{display:none;position:absolute;inset:0;background:var(--accent-soft)}
.nav-right{display:flex;align-items:center;gap:22px}
.links{display:flex;gap:26px}
.links a{font-size:.92rem;color:var(--muted);transition:color .2s}
.links a:hover{color:var(--accent)}
.toggles{display:flex;gap:8px}
.tgl{font-family:var(--mono);font-size:.78rem;color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:8px;height:32px;min-width:34px;padding:0 9px;display:inline-flex;align-items:center;justify-content:center;transition:border-color .2s,color .2s}
.tgl:hover{border-color:var(--accent);color:var(--accent)}
.burger{display:none;flex-direction:column;justify-content:center;align-items:flex-start;gap:5px;width:36px;height:36px;padding:7px 8px;border:1px solid var(--line);border-radius:8px;background:transparent;transition:border-color .2s}
.burger:hover{border-color:var(--accent)}
.burger span{display:block;width:100%;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s,opacity .25s,width .25s;transform-origin:center}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0;width:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:640px){
  .burger{display:flex}
  .links{display:none;flex-direction:column;gap:0;position:fixed;top:64px;left:0;right:0;background:var(--nav-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line-soft);padding:12px 0;z-index:49}
  @supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.links{background:var(--bg)}}
  .links.open{display:flex}
  .links a{padding:14px 36px;font-size:1rem;border-bottom:1px solid var(--line-soft)}
  .links a:last-child{border-bottom:none}
}

/* ── hero ───────────────────────────────────────────────────── */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:120px 0 80px;gap:26px}
.hero-eyebrow{font-family:var(--mono);font-size:.78rem;color:var(--accent);letter-spacing:.1em;text-transform:uppercase;font-weight:500}
#heroName{font-family:var(--display);font-weight:800;font-size:clamp(4.2rem,11.5vw,10rem);line-height:.88;letter-spacing:-.04em;overflow:hidden}
.name-line{display:block;overflow:hidden}
.name-char{display:inline-block;animation:charIn .95s cubic-bezier(0.16,1,0.3,1) both}
.name-dot{color:var(--accent)}
@keyframes charIn{from{transform:translateY(110%);opacity:0}to{transform:translateY(0);opacity:1}}
.hero-sub{font-size:clamp(.95rem,1.8vw,1.15rem);color:var(--muted);max-width:50ch;line-height:1.65}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-scroll{display:flex;align-items:center;gap:12px;opacity:0;animation:fadeUp .6s ease 2.8s forwards;margin-top:8px}
.scroll-line{display:block;width:36px;height:1px;background:var(--dim)}
.scroll-label{font-family:var(--mono);font-size:.68rem;color:var(--dim);letter-spacing:.14em;text-transform:uppercase}

/* ── buttons ────────────────────────────────────────────────── */
.btn{font-size:.92rem;font-weight:600;padding:13px 26px;border-radius:10px;display:inline-flex;align-items:center;gap:8px;transition:background .2s,border-color .2s,color .2s,box-shadow .2s}
.btn.primary{background:var(--accent);color:#fff;box-shadow:0 4px 20px rgba(32,64,196,.35)}
.btn.primary:hover{background:var(--accent-hover);box-shadow:0 6px 28px rgba(32,64,196,.5)}
html[data-theme="dark"] .btn.primary{color:#07080d;box-shadow:0 4px 24px rgba(77,124,254,.3)}
html[data-theme="dark"] .btn.primary:hover{box-shadow:0 8px 32px rgba(77,124,254,.5)}
.btn.ghost{border:1px solid var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.mag{transition:transform .35s cubic-bezier(0.16,1,0.3,1),background .2s,border-color .2s,color .2s,box-shadow .2s!important}

/* ── sections ───────────────────────────────────────────────── */
section{padding:80px 0;border-top:1px solid var(--line-soft);transition:border-color .35s}
.sec-num{font-family:var(--mono);font-size:.75rem;color:var(--dim);letter-spacing:.06em;margin-bottom:12px}
.sec-num b{color:var(--accent);font-weight:500}
h2{font-family:var(--display);font-weight:700;font-size:clamp(1.8rem,4vw,2.6rem);letter-spacing:-.025em;margin-bottom:24px}
.lead{font-size:1.08rem;color:var(--muted);max-width:64ch;line-height:1.7}
.lead b{color:var(--ink);font-weight:600}

/* ── about (2-col) ──────────────────────────────────────────── */
.about-grid{display:grid;grid-template-columns:160px 1fr;gap:48px;align-items:start}
@media(max-width:640px){.about-grid{grid-template-columns:1fr}}

/* ── skills grid ────────────────────────────────────────────── */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:10px}
.skill{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px;position:relative;overflow:hidden;transition:transform .4s cubic-bezier(0.16,1,0.3,1),box-shadow .4s,border-color .25s,background-color .35s;will-change:transform;transform-style:preserve-3d;cursor:default}
.skill::before{content:'';position:absolute;inset:0;background:radial-gradient(500px circle at var(--mx,50%) var(--my,50%),var(--spot,rgba(32,64,196,.1)),transparent 60%);opacity:0;transition:opacity .4s;pointer-events:none;z-index:0}
.skill:hover::before{opacity:1}
.skill:hover{transform:translateY(-4px) scale(1.015);box-shadow:var(--shadow),0 0 0 1px var(--accent)}
.skill>*{position:relative;z-index:1}
.skill *{cursor:default}
html[data-theme="dark"] .skill{--spot:rgba(77,124,254,.09)}
.skill h3{font-family:var(--display);font-size:1rem;font-weight:600;margin-bottom:8px}
.skill p{font-size:.9rem;color:var(--muted);line-height:1.55}

/* ── tools grid ────────────────────────────────────────────── */
.tools-label{font-family:var(--mono);font-size:.75rem;color:var(--dim);letter-spacing:.08em;text-transform:uppercase;margin:40px 0 16px}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.tool{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 10px 14px;display:flex;flex-direction:column;align-items:center;gap:9px;transition:transform .3s cubic-bezier(0.16,1,0.3,1),border-color .25s,box-shadow .3s;cursor:default}
.tool:hover{transform:translateY(-4px) scale(1.06);border-color:var(--accent);box-shadow:0 10px 30px rgba(77,124,254,.18)}
.tool-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center}
.tool-icon img{width:36px;height:36px;object-fit:contain;transition:filter .3s}
/* light mode: brand colors, slightly dimmed */
.tool-icon img{filter:opacity(.7)}
.tool:hover .tool-icon img{filter:opacity(1)}
/* dark mode: invert to white */
html[data-theme="dark"] .tool-icon img{filter:brightness(0) invert(1) opacity(.75)}
html[data-theme="dark"] .tool:hover .tool-icon img{filter:brightness(0) invert(1) opacity(1)}
.tool span{font-family:var(--mono);font-size:.64rem;color:var(--muted);text-align:center;letter-spacing:.03em;line-height:1.3}
.ttext{font-family:var(--mono);font-size:.6rem;font-weight:700;color:var(--accent);border:1px solid var(--accent);border-radius:5px;padding:4px 5px;text-align:center;line-height:1.2;width:36px;height:36px;display:flex;align-items:center;justify-content:center}
/* logos larges (bandeau) : ajustement taille */
.tool-img-contain{width:64px!important;height:28px!important;object-fit:contain!important}
html[data-theme="dark"] .tool-icon img.tool-img-contain{filter:brightness(0) invert(1) opacity(.75)}
html[data-theme="dark"] .tool:hover .tool-icon img.tool-img-contain{filter:brightness(0) invert(1) opacity(1)}
/* MikroTik même traitement */
html[data-theme="dark"] .tool-icon img[src="img/logo-mikrotik.svg"]{filter:brightness(0) invert(1) opacity(.75)}
html[data-theme="dark"] .tool:hover .tool-icon img[src="img/logo-mikrotik.svg"]{filter:brightness(0) invert(1) opacity(1)}

/* ── marquee ────────────────────────────────────────────────── */
.marquee-band{overflow:hidden;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);padding:14px 0;background:var(--bg);transition:background .35s,border-color .35s}
.marquee-track{display:flex;width:max-content;animation:marquee 36s linear infinite}
.marquee-track:hover{animation-play-state:paused}
.marquee-items{font-family:var(--mono);font-size:.78rem;color:var(--muted);white-space:nowrap;padding-right:0}
.msep{color:var(--accent);margin:0 14px}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ── projects ───────────────────────────────────────────────── */
.proj{display:block;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px;margin-bottom:14px;position:relative;overflow:hidden;transition:transform .5s cubic-bezier(0.16,1,0.3,1),box-shadow .5s,border-color .25s,background-color .35s;will-change:transform;transform-style:preserve-3d}
.proj::before{content:'';position:absolute;inset:0;background:radial-gradient(600px circle at var(--mx,50%) var(--my,50%),var(--spot,rgba(32,64,196,.1)),transparent 60%);opacity:0;transition:opacity .4s;pointer-events:none;z-index:0}
.proj:hover::before{opacity:1}
.proj:hover{box-shadow:var(--shadow),0 0 0 1px var(--accent);border-color:transparent}
.proj>*{position:relative;z-index:1}
html[data-theme="dark"] .proj{--spot:rgba(77,124,254,.09)}
.proj .idx{font-family:var(--mono);font-size:.75rem;color:var(--accent);margin-bottom:6px}
.proj h3{font-family:var(--display);font-size:1.3rem;font-weight:700;margin-bottom:10px;letter-spacing:-.015em}
.proj p{font-size:.96rem;color:var(--muted);max-width:64ch;line-height:1.6}
.proj .stack{font-family:var(--mono);font-size:.74rem;color:var(--dim);margin-top:16px;letter-spacing:.02em}
.proj .arrow{position:absolute;top:28px;right:28px;color:var(--dim);font-size:1.3rem;transition:color .25s,transform .25s}
.proj:hover .arrow{color:var(--accent);transform:translate(4px,-4px)}

/* ── contact ────────────────────────────────────────────────── */
.contact-inner{display:flex;align-items:flex-start;gap:56px}
.contact-text{flex:1;min-width:0}
.contact-avatar{flex:0 0 auto;width:140px;height:140px;border-radius:50%;overflow:hidden;border:1px solid var(--line)}
.contact-avatar img{width:100%;height:100%;object-fit:cover;object-position:center 5%;display:block}
@media(max-width:600px){.contact-inner{flex-direction:column}.contact-avatar{width:120px;height:120px}}
.contact-links{margin-top:20px}
.contact-links a{display:flex;justify-content:space-between;align-items:center;padding:18px 0;border-bottom:1px solid var(--line-soft);font-size:1.02rem;font-weight:500;transition:color .2s,padding-left .25s,border-color .35s}
.contact-links a:hover{color:var(--accent);padding-left:10px}
.contact-links a span{font-family:var(--mono);font-size:.78rem;color:var(--dim)}

/* ── footer ─────────────────────────────────────────────────── */
footer{border-top:1px solid var(--line-soft);padding:32px 0;font-size:.83rem;color:var(--dim);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;transition:border-color .35s}

/* ── reveal ──────────────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.reveal,.name-char,.hero-scroll{animation:none!important;opacity:1!important;transform:none!important}}