/* ==========================================================================
   Polices auto-hébergées : Plus Jakarta Sans et JetBrains Mono.
   Fichiers variables, sous-ensembles latin et latin étendu uniquement.
   Évite deux connexions tierces au premier chargement, ce qui compte
   surtout sur réseau mobile.
   ========================================================================== */

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url('assets/fonts/jetbrains-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url('assets/fonts/jetbrains-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url('assets/fonts/jakarta-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url('assets/fonts/jakarta-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ==========================================================================
   Jérémy DIAZ · jeremydiaz.xyz
   Design : clair, sobre, beaucoup d'espace blanc
   Accents : rouge (offensif) · bleu (défensif) · gris ardoise (systèmes)
   ========================================================================== */

:root{
  /* Neutres */
  --ink:#0e1420;
  --ink-2:#333d4f;
  --muted:#697487;
  --line:#e7eaf0;
  --line-soft:#f0f2f6;
  --bg:#ffffff;
  --bg-alt:#f7f8fb;
  --bg-soft:#fbfcfd;

  /* Accents */
  --red:#c8263c;
  --red-soft:#fdf1f3;
  --red-line:#f3d4da;
  --blue:#1e56c8;
  --blue-soft:#eef3fd;
  --blue-line:#d2e0f7;
  --slate:#4a5568;
  --slate-soft:#f2f4f7;
  --slate-line:#dfe3ea;

  /* Typo */
  --font:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  /* Layout */
  --maxw:1160px;
  --gutter:24px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(14,20,32,.04),0 2px 8px rgba(14,20,32,.04);
  --shadow-md:0 2px 4px rgba(14,20,32,.04),0 12px 32px rgba(14,20,32,.07);
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 24px);-webkit-text-size-adjust:100%}

body{
  margin:0;
  -webkit-tap-highlight-color:rgba(200,38,60,.12);
  font-family:var(--font);
  font-size:17px;
  line-height:1.65;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

h1,h2,h3,h4,h5{
  color:var(--ink);margin:0;line-height:1.18;letter-spacing:-.02em;font-weight:700;
  overflow-wrap:break-word;
}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
dl,dd,dt{margin:0}

.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--ink);color:#fff;padding:12px 20px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0}

:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}

/* ============================ HEADER ============================ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 20px rgba(14,20,32,.04)}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:32px}

.brand{
  font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.03em;flex-shrink:0;
  padding:4px 0;position:relative;
}
.brand::after{
  content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;
  background:var(--red);border-radius:2px;transition:width .3s ease;
}
.brand:hover::after{width:100%}

.nav{display:flex;gap:4px;margin-left:auto}
.nav a{
  position:relative;padding:8px 13px;border-radius:8px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav a:hover{color:var(--ink);background:var(--bg-alt)}
.nav a.is-active{color:var(--ink);font-weight:600}
.nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--red);border-radius:2px;
}

.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}

.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;
  border-radius:10px;cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:17px;height:1.5px;background:var(--ink);margin:3px 0;transition:transform .25s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ============================ BOUTONS ============================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 22px;border-radius:11px;
  font-family:var(--font);font-size:15px;font-weight:600;letter-spacing:-.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:#1b2436;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:#cfd6e2;background:var(--bg-alt);transform:translateY(-1px)}
.btn-sm{padding:9px 15px;font-size:14px;border-radius:9px}
.btn-sm svg{width:15px;height:15px}

/* ============================ HERO ============================ */
.hero{padding:84px 0 40px;position:relative}
.hero::before{
  content:"";position:absolute;inset:0 0 auto;height:520px;z-index:-1;
  background:
    radial-gradient(760px 340px at 12% -8%,rgba(200,38,60,.055),transparent 70%),
    radial-gradient(700px 320px at 88% 4%,rgba(30,86,200,.05),transparent 70%);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.32fr) minmax(0,.68fr);gap:64px;align-items:center}


.hero h1{
  font-size:clamp(2.9rem,6.2vw,4.5rem);
  font-weight:800;letter-spacing:-.035em;margin-bottom:18px;
}
.hero-role{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.role{
  font-size:13.5px;font-weight:600;padding:6px 13px;border-radius:8px;letter-spacing:-.005em;
}
.role-red{color:var(--red);background:var(--red-soft);border:1px solid var(--red-line)}
.role-blue{color:var(--blue);background:var(--blue-soft);border:1px solid var(--blue-line)}
.role-slate{color:var(--slate);background:var(--slate-soft);border:1px solid var(--slate-line)}

.hero-lead{font-size:18.5px;line-height:1.72;color:var(--ink-2);max-width:62ch;margin-bottom:22px}

.hero-mobility{
  display:flex;gap:11px;align-items:flex-start;
  font-size:15px;color:var(--muted);max-width:56ch;margin-bottom:34px;
}
.hero-mobility svg{width:19px;height:19px;flex-shrink:0;margin-top:3px;fill:none;stroke:var(--red);stroke-width:1.6}
.hero-mobility strong{color:var(--ink);font-weight:600}

.hero-cta{display:flex;flex-wrap:wrap;gap:12px}

.hero-side{display:flex;justify-content:center}
.photo{margin:0;position:relative;width:100%;max-width:330px}
.photo::after{
  content:"";position:absolute;inset:14px -14px -14px 14px;z-index:-1;
  border:1px solid var(--line);border-radius:var(--radius-lg);
}
.photo img{
  width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:center 18%;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:var(--bg-alt);
}

/* ---- Plateformes (HTB / Root-Me / GitHub) ---- */
.platforms{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin-top:72px;padding-top:44px;border-top:1px solid var(--line);
}
.platform{
  display:flex;align-items:center;gap:15px;
  padding:19px 20px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.platform:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d7dde7}
.platform img,.platform .gh-icon{width:40px;height:40px;object-fit:contain;flex-shrink:0}
.platform-rm img{transform:scale(1.18)}
.platform .gh-icon{color:var(--ink)}
.platform-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.platform-name{font-weight:700;color:var(--ink);font-size:15.5px;letter-spacing:-.015em}
.platform-desc{font-size:13.2px;color:var(--muted);line-height:1.5}
.platform-go{margin-left:auto;color:var(--muted);font-size:15px;transition:transform .25s ease,color .25s ease}
.platform:hover .platform-go{transform:translate(2px,-2px);color:var(--ink)}
.platform-htb:hover{border-color:#9fca3a}
.platform-rm:hover{border-color:#b9bec7}
.platform-gh:hover{border-color:#adb5c2}

/* ============================ SECTIONS ============================ */
.section{padding:104px 0}
.section-alt{background:var(--bg-alt);border-block:1px solid var(--line)}

.kicker{
  font-family:var(--mono);font-size:12px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--red);
  margin:0 0 16px;display:flex;align-items:center;gap:11px;
}
.kicker::after{content:"";flex:1;max-width:60px;height:1px;background:var(--red-line)}

.section-title{font-size:clamp(1.85rem,3.4vw,2.6rem);letter-spacing:-.03em;margin-bottom:20px;max-width:20ch}
.section-title-wide{max-width:30ch}
.section-title:last-child{margin-bottom:56px}
.section-intro{font-size:17.5px;color:var(--muted);max-width:66ch;margin-bottom:56px;line-height:1.72}
.section-intro strong{color:var(--ink);font-weight:600}

/* ============================ À PROPOS ============================ */
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.18fr);gap:56px;align-items:start}
.about-title{font-size:clamp(1.7rem,3.1vw,2.35rem);letter-spacing:-.03em}
.about-text p{font-size:17.5px;line-height:1.78}
.about-text strong{color:var(--ink);font-weight:600}
.about-mail a{
  font-weight:600;color:var(--ink);border-bottom:2px solid var(--red-line);
  padding-bottom:1px;transition:border-color .2s ease;
}
.about-mail a:hover{border-bottom-color:var(--red)}

.facts{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:72px;padding-top:44px;border-top:1px solid var(--line);
}
.fact{display:flex;flex-direction:column;gap:8px}
.fact-num{font-size:34px;font-weight:800;color:var(--ink);letter-spacing:-.04em;line-height:1}
.fact-label{font-size:13.8px;color:var(--muted);line-height:1.55}

/* ============================ COMPÉTENCES ============================ */
.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.skill-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 30px;position:relative;overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.skill-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.skill-card::before{content:"";position:absolute;inset:0 0 auto;height:3px}
.skill-red::before{background:var(--red)}
.skill-blue::before{background:var(--blue)}
.skill-slate::before{background:var(--slate)}

.skill-head{margin-bottom:26px;padding-bottom:22px;border-bottom:1px solid var(--line-soft)}
.skill-red .skill-blue .skill-slate .skill-head h3{font-size:21px;letter-spacing:-.025em;line-height:1.3}
.skill-head h3 span{display:block;font-size:14.5px;font-weight:500;margin-top:5px}
.skill-red .skill-head h3 span{color:var(--red)}
.skill-blue .skill-head h3 span{color:var(--blue)}
.skill-slate .skill-head h3 span{color:var(--slate)}

.skill-list{display:flex;flex-direction:column;gap:19px}
.skill-list dt{
  font-size:12.2px;font-weight:700;color:var(--ink);
  text-transform:uppercase;letter-spacing:.07em;margin-bottom:5px;
}
.skill-list dd{font-size:14.8px;line-height:1.62;color:var(--muted);overflow-wrap:break-word}

/* ============================ PROJETS ET WRITE-UPS ============================ */
.block-title{
  font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink);
  margin:0 0 24px;padding-bottom:14px;border-bottom:1px solid var(--line);
}
.block-title-spaced{margin-top:64px}
.block-more{margin:24px 0 0}
.block-intro{font-size:15.5px;color:var(--muted);margin:-8px 0 24px;max-width:70ch}
.diff-note{color:var(--blue);background:var(--blue-soft)}

.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pj-card{
  display:flex;flex-direction:column;gap:10px;
  padding:26px 26px 24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pj-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d7dde7}
.pj-name{font-size:17.5px;font-weight:700;color:var(--ink);letter-spacing:-.025em}
.pj-desc{font-size:14.6px;color:var(--muted);line-height:1.6;flex:1}
.pj-meta{display:flex;flex-wrap:wrap;gap:7px}
.pj-meta li{
  font-family:var(--mono);font-size:11.5px;padding:3px 9px;border-radius:6px;
  color:var(--slate);background:var(--slate-soft);
}
.pj-meta .pj-stars{color:var(--red);background:var(--red-soft)}
.pj-go{font-size:13.5px;font-weight:600;color:var(--ink);margin-top:4px}
.pj-card:hover .pj-go{color:var(--red)}

.writeups{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.wu-card{
  display:flex;flex-direction:column;gap:11px;
  padding:24px 26px 26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.wu-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d7dde7}
.wu-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.wu-card-os{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
}
.wu-card-diff,.wu-meta em{
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  padding:3px 9px;border-radius:100px;font-style:normal;
}
.diff-easy{color:#15803d;background:#eef7f1}
.diff-medium{color:#b45309;background:#fdf4e7}
.diff-hard{color:var(--red);background:var(--red-soft)}
.wu-card-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.03em}
.wu-card-desc{font-size:14.4px;color:var(--muted);line-height:1.6;flex:1}
.wu-card-tags{display:flex;flex-wrap:wrap;gap:6px}
.wu-card-tags li{
  font-size:12px;padding:3px 9px;border:1px solid var(--line);border-radius:100px;
  color:var(--ink-2);background:var(--bg-soft);
}
.wu-card-go{font-size:13.5px;font-weight:600;color:var(--ink);margin-top:4px}
.wu-card:hover .wu-card-go{color:var(--red)}

/* ============================ EXPÉRIENCES ============================ */
.timeline{display:flex;flex-direction:column;gap:28px}
.xp{
  display:grid;grid-template-columns:238px minmax(0,1fr);gap:44px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px 40px;
}
.xp-aside{position:sticky;top:calc(var(--header-h) + 32px);align-self:start}
.xp-logo{
  width:88px;height:48px;margin-bottom:20px;display:flex;align-items:center;
}
.xp-logo img{max-height:100%;width:auto;object-fit:contain}
.xp-date{
  font-family:var(--mono);font-size:12.5px;color:var(--muted);
  margin-bottom:10px;letter-spacing:.01em;
}
.xp-place{font-size:15px;font-weight:700;color:var(--ink);margin:0;letter-spacing:-.015em}
.xp-place span{display:block;font-size:13.5px;font-weight:400;color:var(--muted);margin-top:3px}

.xp-body h3{font-size:24px;letter-spacing:-.028em;margin-bottom:26px}
.xp-block{margin-bottom:26px}
.xp-block:last-child{margin-bottom:0}
.xp-block h4{
  font-size:12.2px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;
  margin-bottom:13px;display:inline-block;padding:5px 11px;border-radius:7px;
}
.tag-red{color:var(--red);background:var(--red-soft)}
.tag-blue{color:var(--blue);background:var(--blue-soft)}
.tag-slate{color:var(--slate);background:var(--slate-soft)}

.xp-block ul{display:flex;flex-direction:column;gap:9px}
.xp-block li{position:relative;padding-left:20px;font-size:15.5px;line-height:1.62;color:var(--ink-2)}
.xp-block li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:1.5px;background:#c3cad6;border-radius:1px;
}
.xp-block .tag-red ~ ul li::before{background:var(--red-line)}
.xp-block .tag-blue ~ ul li::before{background:var(--blue-line)}
.xp-block .tag-slate ~ ul li::before{background:var(--slate-line)}

/* ============================ FORMATION ============================ */
.school{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px;margin-bottom:24px;
}
.school-head{display:flex;align-items:center;gap:22px;margin-bottom:38px}
.school-logo{
  width:74px;height:74px;border-radius:14px;border:1px solid var(--line);
  padding:9px;display:grid;place-items:center;flex-shrink:0;background:#fff;
}
.school-logo img{max-width:100%;max-height:100%;object-fit:contain}
.school-head h3{font-size:22px;letter-spacing:-.025em;margin-bottom:6px}
.school-meta{font-size:14.5px;color:var(--muted);margin:0}

.program-title{
  font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;
  color:var(--ink);margin:0 0 24px;padding-bottom:14px;border-bottom:1px solid var(--line);
}
.school .program-title:not(:first-of-type){margin-top:52px}

.modules{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.module{background:#fff;padding:22px 22px 24px;transition:background .2s ease}
.module:hover{background:var(--bg-soft)}
.module h5{font-size:15.5px;letter-spacing:-.02em;margin-bottom:9px;color:var(--ink)}
.module p{font-size:14px;line-height:1.6;color:var(--muted);margin:0}
.module-wide{grid-column:1/-1}
.modules-compact .module{display:flex;align-items:center;min-height:76px;padding:18px 22px}
.modules-compact h5{margin-bottom:0;font-size:15px}


.school-prev{padding:30px 40px}
.school-prev .school-head{margin-bottom:0}

/* ============================ CERTIFICATIONS ============================ */
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cert{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;display:flex;flex-direction:column;align-items:center;text-align:center;
  transition:transform .3s ease,box-shadow .3s ease;
}
.cert:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.cert-badge{height:104px;display:grid;place-items:center;margin-bottom:22px;position:relative}
.cert-badge img{max-height:104px;max-width:145px;width:auto;object-fit:contain}
.cert-status{
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.07em;
  text-transform:uppercase;padding:4px 10px;border-radius:100px;margin:0 0 12px;
}
.status-done{color:#15803d;background:#eef7f1}
.status-progress{color:var(--slate);background:var(--slate-soft)}
.cert h3{font-size:22px;letter-spacing:-.028em;margin-bottom:7px}
.cert-full{font-size:14px;color:var(--ink-2);margin:0 0 8px;line-height:1.5}
.cert-org{font-size:13px;color:var(--muted);margin:0;font-weight:500}


/* ============================ CONTACT ============================ */

/* ============================ CONTACT DISCRET ============================ */
.contact-strip{background:var(--bg-alt);border-top:1px solid var(--line);padding:28px 0}
.contact-strip-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.contact-strip-lead{margin:0;font-size:15px;color:var(--muted)}
.contact-strip-lead strong{color:var(--ink);font-weight:600}
.contact-strip-links{display:flex;flex-wrap:wrap;gap:22px}
.contact-strip-links a{
  font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);padding-bottom:2px;transition:border-color .2s ease;
}
.contact-strip-links a:hover{border-bottom-color:var(--red)}

/* ============================ FOOTER ============================ */
.site-footer{border-top:1px solid var(--line);background:#fff;padding:32px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.site-footer p{margin:0;font-size:14px;color:var(--muted)}
.footer-links{display:flex;gap:22px;flex-wrap:wrap}
.footer-links a{font-size:14px;color:var(--muted);transition:color .2s ease}
.footer-links a:hover{color:var(--ink)}

/* ============================ PAGE 404 ============================ */
.nf{min-height:100vh;display:grid;place-items:center;text-align:center;padding:40px 24px}
.nf-code{font-family:var(--mono);font-size:13px;letter-spacing:.2em;color:var(--red);margin:0 0 20px}
.nf h1{font-size:clamp(2rem,5vw,3rem);letter-spacing:-.035em;margin-bottom:16px}
.nf p{font-size:17px;color:var(--muted);max-width:46ch;margin:0 auto 32px}
.nf-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* ============================ ANIMATIONS ============================ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
.reveal:nth-child(2){transition-delay:70ms}
.reveal:nth-child(3){transition-delay:140ms}
.reveal:nth-child(4){transition-delay:210ms}
.reveal:nth-child(5){transition-delay:280ms}
.reveal:nth-child(6){transition-delay:350ms}
.reveal.is-visible{opacity:1;transform:none}

/* ============================ RESPONSIVE ============================ */
@media (max-width:1080px){
  .hero-grid{gap:44px}
  .skills-grid{grid-template-columns:1fr;gap:20px}
  .skill-card{padding:32px 30px}
  .modules{grid-template-columns:repeat(2,1fr)}
  .projects,.writeups{grid-template-columns:repeat(2,1fr)}
  .certs{grid-template-columns:repeat(2,1fr)}
    .modules-compact{grid-template-columns:repeat(2,1fr)}
  .platforms{grid-template-columns:1fr}
}

@media (max-width:760px){
  :root{--header-h:64px;--gutter:20px}
  /* le flou d'arrière-plan coûte cher au défilement sur mobile : fond opaque */
  .site-header{background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none}
}

@media (max-width:900px){
  .nav{
    position:fixed;inset:var(--header-h) 0 auto;display:none;flex-direction:column;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);padding:14px var(--gutter) 22px;
    box-shadow:0 18px 40px rgba(14,20,32,.09);
  }
  .nav.is-open{display:flex}
  .nav a{padding:13px 12px;font-size:16px;border-radius:9px}
  .nav a.is-active::after{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:12px;justify-content:space-between}
  .brand{font-size:15.5px}

  .hero{padding:52px 0 28px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-side{order:-1;justify-content:flex-start}
  .photo{max-width:230px}
  .photo::after{inset:10px -10px -10px 10px}
  .hero-lead{font-size:17px}
  .platforms{margin-top:52px;padding-top:36px}

  .section{padding:72px 0}
    .about-grid{grid-template-columns:1fr;gap:26px}
  .facts{grid-template-columns:repeat(2,1fr);gap:28px 20px;margin-top:52px;padding-top:36px}

  .xp{grid-template-columns:1fr;gap:26px;padding:30px 26px}
  .xp-aside{position:static;display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding-bottom:22px;border-bottom:1px solid var(--line-soft)}
  .xp-logo{margin-bottom:0;width:72px;height:38px}
  .xp-date{margin-bottom:0;order:3;width:100%}
  .xp-body h3{font-size:21px;margin-bottom:22px}

  .school{padding:30px 26px}
  .school-prev{padding:26px}
  .school-head{gap:16px;margin-bottom:30px}
  .school-logo{width:58px;height:58px}
  .school-head h3{font-size:19px}
}

@media (max-width:620px){
  body{font-size:16px}
  .section{padding:56px 0}
  .hero{padding:40px 0 24px}
  .section-title{margin-bottom:16px}
  .section-intro{margin-bottom:36px}

  /* cibles tactiles : au moins 44 px de haut pour les liens isolés */
  .contact-strip-inner{flex-direction:column;align-items:flex-start;gap:10px}
  .contact-strip-links{gap:4px 18px}
  .contact-strip-links a{min-height:40px;display:inline-flex;align-items:center}
  .footer-links{gap:2px 20px}
  .footer-links a{min-height:40px;display:inline-flex;align-items:center}
  .about-mail a{min-height:40px;display:inline-flex;align-items:center}
  .platform{padding:18px 16px;gap:13px}
  .platform img,.platform .gh-icon{width:34px;height:34px}
  .skill-card{padding:26px 22px}
  .school{padding:26px 20px}
  .cert{padding:20px 18px}
  .pj-card,.wu-card{padding:22px 20px}
  .hero h1{font-size:2.65rem}
  .modules{grid-template-columns:1fr}
  .projects,.writeups{grid-template-columns:1fr}
  .modules-compact{grid-template-columns:1fr}
  .modules-compact .module{min-height:0;padding:15px 18px}
  .certs{grid-template-columns:1fr;gap:16px}
  .cert{flex-direction:row;align-items:center;text-align:left;gap:20px;padding:22px}
  .cert-badge{height:72px;margin-bottom:0;flex-shrink:0}
  .cert-badge img{max-height:72px}
    .btn{width:100%}
  .btn-sm{width:auto}
  .hero-cta{flex-direction:column;align-items:stretch}
  .footer-inner{flex-direction:column;align-items:flex-start;gap:14px}
  .platform{padding:16px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}

/* ============================ IMPRESSION ============================ */
@media print{
  .site-header,.hero-cta,.nav-toggle,.skip-link{display:none!important}
  body{font-size:11pt}
  .section{padding:24px 0;break-inside:avoid}
  .hero::before{display:none}
  a{text-decoration:none;color:#000}
}