/* ============================================================
   TOKENS — repris à l'identique, + mapping vers les variables
   Bootstrap pour que les composants Bootstrap (btn, card, form...)
   héritent automatiquement de la charte du site.
   ============================================================ */
:root{
  --bg:#FFFFFF;
  --bg-soft:#F6F6F8;
  --ink:#14141A;
  --ink-soft:#68686F;
  --line:#E7E7EB;

  --accent:#3355FF;
  --accent-dark:#2543DB;
  --accent-soft:#EEF1FF;

  --pink:#FF4D8D;
  --pink-soft:#FFEAF2;
  --yellow:#FFB93C;
  --yellow-soft:#FFF6E3;
  --green:#17C48D;
  --green-soft:#E7FBF3;

  --tint-hero:#F4F6FF;
  --tint-about:#FFF3F8;
  --tint-skills:#FFF9EC;
  --tint-parcours:#EEF6FF;
  --tint-projets:#F1FBF6;
  --tint-contact-1:#3355FF;
  --tint-contact-2:#FF4D8D;

  --font-display:'Inter','Helvetica Neue',Arial,sans-serif;
  --font-body:'Inter','Helvetica Neue',Arial,sans-serif;
  --font-mono:'IBM Plex Mono','Courier New',monospace;

  --ease:cubic-bezier(.16,1,.3,1);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;

  /* --- Surcharge des variables Bootstrap --- */
  --bs-body-font-family:var(--font-body);
  --bs-body-color:var(--ink);
  --bs-link-color:var(--accent);
  --bs-link-hover-color:var(--accent-dark);
  --bs-primary:var(--accent);
  --bs-primary-rgb:51,85,255;
  --bs-border-color:var(--line);
  --bs-body-bg:var(--bg);
}

html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
body{-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.65;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;color:var(--ink);}

.mono{font-family:var(--font-mono);}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:12px 18px;z-index:999;font-family:var(--font-mono);font-size:13px;border-radius:6px;}
.skip-link:focus{left:24px;top:24px;}

.accent{color:var(--accent);}

.eyebrow{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;font-weight:500;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent);}

.section{padding:88px 0;border-bottom:1px solid var(--line);position:relative;overflow:hidden;}
.section-head{max-width:600px;margin-bottom:44px;position:relative;z-index:1;}
.section-title{font-size:clamp(28px,4vw,38px);line-height:1.1;}
.section-sub{margin-top:14px;color:var(--ink-soft);font-size:16px;}

#about{background:var(--tint-about);}
#skills{background:var(--tint-skills);}
#parcours{background:var(--tint-parcours);}
#projets{background:var(--tint-projets);}
#about .row,#skills .row,#parcours .timeline,#projets .filters,#projets .row{position:relative;z-index:1;}

.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;pointer-events:none;z-index:0;}
@media (prefers-reduced-motion:reduce){.blob-float{animation:none !important;}}
.blob-float{animation:blobfloat 16s ease-in-out infinite;}
@keyframes blobfloat{
  0%,100%{transform:translate(0,0) scale(1);}
  50%{transform:translate(24px,-18px) scale(1.08);}
}

.reveal{
  opacity:0;transform:translateY(28px) scale(.97);filter:blur(8px);
  transition:opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease);
  transition-delay:calc(var(--i,0) * 80ms);
  will-change:transform,opacity,filter;
}
.reveal.in-view{opacity:1;transform:translateY(0) scale(1);filter:blur(0);}

/* ============================================================
   BOUTONS — on garde les classes Bootstrap .btn .btn-primary
   mais on les habille avec l'identité visuelle du site (dégradé,
   effet de brillance au survol, effet aimant en JS).
   ============================================================ */
.btn{
  position:relative;overflow:hidden;font-family:var(--font-display);font-weight:700;font-size:14.5px;
  padding:14px 26px;border-radius:100px;border:1.5px solid var(--ink);
  display:inline-flex;align-items:center;gap:9px;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), color .3s, border-color .3s, background .3s;
}
.btn.btn-sm{padding:9px 17px;font-size:13px;}
.btn-primary{
  background:linear-gradient(135deg, var(--accent) 0%, var(--pink) 100%) !important;
  color:#fff !important;border-color:transparent !important;
}
.btn-primary::before{
  content:"";position:absolute;inset:0;background:linear-gradient(120deg, transparent 30%, rgba(255,255,255,.55) 50%, transparent 70%);
  transform:translateX(-120%);transition:transform .6s var(--ease);
}
.btn-primary:hover::before{transform:translateX(120%);}
.btn-primary:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 16px 32px -10px rgba(255,77,141,.5);}
.btn-ghost{background:transparent;color:var(--ink);}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--accent);color:var(--accent);background:var(--accent-soft);}
.btn .arrow{transition:transform .3s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn:active{transform:scale(.96);}

/* ============================================================
   NAVBAR (Bootstrap navbar + habillage custom)
   ============================================================ */
.navbar{background:rgba(255,255,255,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding-top:0;padding-bottom:0;min-height:72px;}
.navbar .container{min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--ink);}
.brand-mark{width:32px;height:32px;background:linear-gradient(135deg,var(--accent),var(--pink));color:#fff;border-radius:9px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;}
.nav-link{color:var(--ink-soft) !important;position:relative;padding:6px 0 !important;font-size:14.5px;font-weight:600;transition:color .2s;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;width:0;background:linear-gradient(90deg,var(--accent),var(--pink));transition:width .25s var(--ease);margin:0 auto;}
.nav-link:hover{color:var(--ink) !important;}
.nav-link:hover::after,.nav-link.active::after{width:100%;}
.nav-link.active{color:var(--ink) !important;}
.navbar-toggler{border:none;padding:8px;box-shadow:none !important;}
.navbar-toggler:focus{box-shadow:none;}
.navbar-collapse{background:#fff;}
@media (max-width:991.98px){
  .navbar-collapse.show,.navbar-collapse.collapsing{padding:20px 0 26px;border-top:1px solid var(--line);}
  .navbar-nav{gap:2px;}
  .nav-link{padding:14px 4px !important;border-bottom:1px solid var(--line);}
  .nav-cta{margin-top:16px;justify-content:center;width:100%;}
}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding:150px 0 90px;position:relative;overflow:hidden;background:var(--tint-hero);}
.hero-title{font-size:clamp(38px,6vw,58px);line-height:1.06;}
.hero-bio{margin-top:22px;color:var(--ink-soft);font-size:17px;max-width:520px;}
.hero-stats{max-width:480px;}
.hero-stat{flex:1;padding-right:20px;border-right:1px solid var(--line);}
.hero-stat:last-child{border-right:none;padding-right:0;}
.hero-stat b{display:block;font-family:var(--font-display);font-size:26px;background:linear-gradient(135deg,var(--accent),var(--pink));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.hero-stat span{font-family:var(--font-mono);font-size:11px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em;}

.hero-visual{position:relative;width:100%;max-width:400px;margin:0 auto;}
@media (min-width:992px){.hero-visual{margin:0 0 0 auto;}}
.hero-photo{position:relative;z-index:1;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/5;box-shadow:0 30px 60px -22px rgba(255,77,141,.35);}
.hero-photo img{width:100%;height:100%;object-fit:cover;}

/* ============================================================
   ABOUT
   ============================================================ */
.about-text p{color:var(--ink-soft);font-size:17px;max-width:620px;}
.about-text p + p{margin-top:14px;}
.spec-list{border-top:1px solid var(--line);}
.spec-row{display:flex;justify-content:space-between;padding:15px 2px;border-bottom:1px solid var(--line);font-size:14px;}
.spec-row span:first-child{color:var(--ink-soft);}
.spec-row span:last-child{font-weight:600;text-align:right;}

/* ============================================================
   SKILLS (Bootstrap card)
   ============================================================ */
.skill-card{background:#fff;padding:28px;border-radius:var(--r-md);border:none;box-shadow:0 10px 26px -18px rgba(20,20,26,.2);transition:transform .3s var(--ease),box-shadow .3s var(--ease);}
.skill-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px -18px rgba(20,20,26,.28);}
.skill-card h3{font-size:14px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);margin-bottom:16px;font-weight:700;}
.tag-list{display:flex;flex-wrap:wrap;gap:9px;}
.tag{
  font-size:13.5px;font-weight:600;padding:8px 14px;border-radius:100px;border:1.5px solid var(--line);color:var(--ink);
  transition:transform .25s var(--ease),border-color .2s,color .2s,background .2s;
}
.tag:nth-child(4n+1):hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);transform:translateY(-3px) rotate(-2deg);}
.tag:nth-child(4n+2):hover{border-color:var(--pink);color:var(--pink);background:var(--pink-soft);transform:translateY(-3px) rotate(2deg);}
.tag:nth-child(4n+3):hover{border-color:var(--yellow);color:#B5780A;background:var(--yellow-soft);transform:translateY(-3px) rotate(-2deg);}
.tag:nth-child(4n+4):hover{border-color:var(--green);color:var(--green);background:var(--green-soft);transform:translateY(-3px) rotate(2deg);}

/* ============================================================
   PARCOURS
   ============================================================ */
.timeline{max-width:760px;position:relative;}
.tl-item{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);}
.tl-item:first-child{border-top:1px solid var(--line);}
.tl-date{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-soft);padding-top:3px;}
.tl-title{font-size:17px;font-weight:700;}
.tl-org{color:var(--ink-soft);font-size:14px;margin-top:3px;}
.tl-desc{color:var(--ink-soft);font-size:14.5px;margin-top:8px;max-width:560px;}
.tl-type{
  display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.05em;
  padding:3px 9px;border-radius:100px;margin-bottom:8px;
}
.tl-type::before{content:"";width:6px;height:6px;border-radius:50%;}
.is-exp .tl-type{background:var(--pink-soft);color:#D63A73;}
.is-exp .tl-type::before{background:var(--pink);}
.is-formation .tl-type{background:var(--accent-soft);color:var(--accent-dark);}
.is-formation .tl-type::before{background:var(--accent);}
@media (max-width:575.98px){.tl-item{grid-template-columns:1fr;gap:4px;}}

/* ============================================================
   PROJECTS
   ============================================================ */
.filters{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:36px;}
.filter-btn{
  font-size:13px;font-weight:600;padding:9px 17px;border:1.5px solid var(--line);border-radius:100px;
  background:#fff;color:var(--ink-soft);transition:all .25s var(--ease);
}
.filter-btn:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px);}
.filter-btn.active{background:var(--cat-color,var(--ink));border-color:var(--cat-color,var(--ink));color:#fff;box-shadow:0 8px 20px -8px var(--cat-color,rgba(20,20,26,.4));}

#projectGrid{perspective:1400px;}

.project-card{
  position:relative;border-radius:var(--r-md);overflow:hidden;background:#fff;border:1px solid var(--line);
  display:flex;flex-direction:column;transform-style:preserve-3d;text-decoration:none;height:100%;
  transition:transform .35s var(--ease), box-shadow .4s var(--ease), border-color .35s, opacity .3s var(--ease);
}
.project-card:hover{transform:translateY(-8px) rotate(-.4deg);box-shadow:0 26px 44px -20px var(--cat-color, rgba(20,20,26,.35));border-color:transparent;}
.project-card.tilting{transition:box-shadow .4s var(--ease), border-color .35s;}
.project-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--cat-color,var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease);z-index:2;
}
.project-card:hover::before{transform:scaleX(1);}
.project-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-soft);}
.project-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.project-card:hover .project-thumb img{transform:scale(1.08) rotate(.5deg);}
.project-cat{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--cat-color,var(--accent));font-weight:700;}
.project-body{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column;}
.project-title{font-size:17px;margin-top:6px;color:var(--ink);}
.project-desc{color:var(--ink-soft);font-size:13.5px;margin-top:8px;flex:1;line-height:1.5;}
.project-link-row{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:700;margin-top:16px;color:var(--ink);}
.project-link-row .arrow{transition:transform .3s var(--ease);}
.project-card:hover .project-link-row .arrow{transform:translateX(5px);}
.project-card:hover .project-link-row{color:var(--cat-color,var(--accent));}

.empty-state{border:1.5px dashed var(--line);border-radius:var(--r-md);padding:44px 24px;text-align:center;color:var(--ink-soft);font-family:var(--font-mono);font-size:13px;}

#projectGrid.filtering .project-card{opacity:0;transform:translateY(14px) scale(.97);}

/* ============================================================
   CONTACT
   ============================================================ */
#contact{
  background:linear-gradient(135deg, var(--tint-contact-1) 0%, var(--tint-contact-2) 100%);
  color:#fff;
}
#contact .eyebrow{color:#fff;opacity:.85;}
#contact .eyebrow::before{background:#fff;}
#contact .section-title{color:#fff;}
#contact .contact-info p{color:rgba(255,255,255,.85);}
#contact .contact-link{border-color:rgba(255,255,255,.35);color:#fff;}
#contact .contact-link:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.12);}
#contact .form-label{color:rgba(255,255,255,.8) !important;}
#contact .form-control{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff;}
#contact .form-control::placeholder{color:rgba(255,255,255,.5);}
#contact .form-control:focus{border-color:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.18);background:rgba(255,255,255,.14);color:#fff;}
#contact .form-note{color:rgba(255,255,255,.7);}
#contact .btn-primary{background:#fff !important;color:var(--accent) !important;border-color:#fff !important;}
#contact .btn-primary::before{background:linear-gradient(120deg, transparent 30%, rgba(51,85,255,.18) 50%, transparent 70%);}
#contact .btn-primary:hover{box-shadow:0 16px 32px -10px rgba(0,0,0,.35);}
#contact .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5);}
#contact .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}

.contact-info p{color:var(--ink-soft);max-width:400px;}
.contact-links{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.contact-link{
  display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:600;
  padding:15px 18px;border:1.5px solid var(--line);border-radius:var(--r-sm);transition:border-color .2s,transform .2s;
  text-decoration:none;
}
.contact-link:hover{border-color:var(--accent);color:var(--accent);transform:translateX(4px);}

.field label,.form-label{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);margin-bottom:7px;}
.form-control{
  background:var(--bg-soft);border:1.5px solid var(--line);border-radius:var(--r-sm) !important;padding:13px 15px;
  color:var(--ink);font-size:15px;transition:border-color .2s,box-shadow .2s;box-shadow:none;
}
.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);background:var(--bg-soft);color:var(--ink);}
textarea.form-control{resize:vertical;min-height:120px;}
.form-note{font-family:var(--font-mono);font-size:11.5px;color:var(--ink-soft);margin-top:10px;}

.form-status{margin-top:14px;font-size:14px;font-weight:600;min-height:1.3em;}
.form-status.success{color:var(--green);}
.form-status.error{color:var(--pink);}
#contact .form-status.success,#contact .form-status.error{color:#fff;}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none !important;}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{padding:36px 0;font-size:13px;color:var(--ink-soft);}
.footer a{font-weight:700;color:var(--ink);text-decoration:none;}
.footer a:hover{color:var(--accent);}

.to-top{
  position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;border:none;opacity:0;pointer-events:none;
  transition:opacity .3s,transform .3s,background .3s;z-index:150;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{background:linear-gradient(135deg,var(--accent),var(--pink));transform:translateY(-3px) scale(1.06);}

/* ============================================================
   PROJECT DETAIL PAGE
   ============================================================ */
.detail-back{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--ink-soft);
  margin-bottom:28px;transition:color .2s,gap .2s;text-decoration:none;
}
.detail-back:hover{color:var(--accent);gap:12px;}
.detail-hero-img{width:100%;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/9;background:var(--bg-soft);margin-bottom:36px;}
.detail-hero-img img{width:100%;height:100%;object-fit:cover;}
.detail-meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:18px;}
.detail-title{font-size:clamp(28px,4.5vw,42px);line-height:1.1;margin-bottom:22px;}
.detail-desc{color:var(--ink-soft);font-size:17px;max-width:680px;line-height:1.7;}
.detail-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.detail-nav-link{
  display:block;padding:20px;border:1px solid var(--line);border-radius:var(--r-md);transition:border-color .25s,transform .25s;text-decoration:none;height:100%;
}
.detail-nav-link:hover{border-color:var(--accent);transform:translateY(-3px);}
.detail-nav-link .label{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;color:var(--ink-soft);display:block;margin-bottom:6px;}
.detail-nav-link.next{text-align:right;}
.detail-nav{margin-top:70px;padding-top:36px;border-top:1px solid var(--line);}

.detail-section{margin-top:64px;}
.detail-section-title{font-size:22px;margin-bottom:20px;}
.detail-card{background:var(--bg-soft);border:none;border-radius:var(--r-md);padding:26px 28px;height:100%;transition:transform .3s var(--ease),box-shadow .3s var(--ease);}
.detail-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px -20px rgba(20,20,26,.25);}
.detail-card h3{font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);margin-bottom:14px;font-weight:700;}
.detail-card p{color:var(--ink);font-size:15px;line-height:1.7;}
.detail-card ul{display:flex;flex-direction:column;gap:11px;margin-top:2px;list-style:none;padding:0;}
.detail-card li{display:flex;gap:10px;font-size:15px;line-height:1.5;color:var(--ink);}
.detail-card li::before{content:"";flex-shrink:0;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-top:8px;}

.detail-body p{color:var(--ink-soft);font-size:16px;line-height:1.8;max-width:720px;}
.detail-body p + p{margin-top:16px;}

.detail-stat{padding:26px 20px;border-radius:var(--r-md);background:linear-gradient(135deg,var(--accent-soft),var(--pink-soft));text-align:center;height:100%;transition:transform .35s var(--ease),box-shadow .35s var(--ease);}
.detail-stat:hover{transform:translateY(-6px) scale(1.02);box-shadow:0 20px 36px -18px rgba(20,20,26,.28);}
.detail-stat b{display:block;font-size:30px;font-family:var(--font-display);background:linear-gradient(135deg,var(--accent),var(--pink));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.detail-stat span{font-size:12.5px;color:var(--ink-soft);margin-top:6px;display:block;}

.detail-gallery-item{border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;background:var(--bg-soft);}
.detail-gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.detail-gallery-item:hover img{transform:scale(1.07);}

.detail-quote{border-left:3px solid var(--accent);padding:4px 0 4px 26px;margin:8px 0;}
.detail-quote p{font-size:19px;line-height:1.6;font-weight:600;color:var(--ink);font-family:var(--font-display);}
.detail-quote span{display:block;margin-top:12px;font-family:var(--font-mono);font-size:12.5px;color:var(--ink-soft);}

.detail-tools{display:flex;flex-wrap:wrap;gap:9px;margin-top:4px;}
.detail-not-found{padding:120px 0;text-align:center;}