/* ============================
   VARIABLES DARK / LIGHT
   ============================ */
:root {
  --bg:       #0f172a;
  --bg2:      #1e293b;
  --bg3:      #334155;
  --card:     rgba(30,41,59,.8);
  --border:   rgba(99,140,255,.15);
  --blue:     #3b82f6;
  --blue-d:   #2563eb;
  --blue-l:   #60a5fa;
  --accent:   #06b6d4;
  --text:     #f1f5f9;
  --text2:    #94a3b8;
  --text3:    #64748b;
  --wa:       #25d366;
  --green:    #22c55e;
  --white:    #ffffff;
  --r:        .3s cubic-bezier(.4,0,.2,1);
}
[data-theme="light"] {
  --bg:    #f8fafc;
  --bg2:   #f1f5f9;
  --bg3:   #e2e8f0;
  --card:  rgba(255,255,255,.9);
  --border:rgba(59,130,246,.2);
  --text:  #0f172a;
  --text2: #475569;
  --text3: #94a3b8;
}

/* ============================
   RESET
   ============================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Roboto',sans-serif;background:var(--bg);color:var(--text);transition:background var(--r),color var(--r);line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
button{border:none;cursor:pointer;font-family:inherit}
input,textarea,select{font-family:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 28px}
span{color:var(--blue-l)}

/* ============================
   HEADER
   ============================ */
#header{
  position:fixed;top:0;width:100%;z-index:1000;
  transition:background var(--r),box-shadow var(--r);
}
#header.scrolled{
  background:rgba(15,23,42,.95);
  backdrop-filter:blur(14px);
  box-shadow:0 1px 20px rgba(0,0,0,.25);
}
[data-theme="light"] #header.scrolled{background:rgba(248,250,252,.95);}
.navbar{
  display:flex;align-items:center;gap:20px;
  max-width:1180px;margin:0 auto;padding:18px 28px;
}
.logo{font-size:1.2rem;font-weight:900;display:flex;align-items:center;gap:8px;color:var(--text)}
.logo i{color:var(--blue)}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-item{
  padding:7px 14px;border-radius:8px;font-size:.88rem;font-weight:500;
  color:var(--text2);transition:color var(--r),background var(--r);
}
.nav-item:hover,.nav-item.active{color:var(--text);background:var(--bg2)}
.nav-actions{display:flex;align-items:center;gap:10px}
.theme-btn{
  width:36px;height:36px;border-radius:50%;
  background:var(--bg2);border:1px solid var(--border);
  color:var(--text2);font-size:.95rem;display:grid;place-items:center;
  transition:all var(--r);
}
.theme-btn:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-wa{
  display:flex;align-items:center;gap:7px;
  background:linear-gradient(135deg,var(--wa),#128c7e);
  color:#fff;padding:8px 18px;border-radius:99px;
  font-weight:700;font-size:.85rem;white-space:nowrap;
  transition:transform var(--r),box-shadow var(--r);
  box-shadow:0 3px 12px rgba(37,211,102,.3);
}
.btn-wa:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(37,211,102,.4)}
.btn-wa span{display:inline}
.burger{
  display:none;flex-direction:column;gap:5px;
  background:var(--bg2);border:1px solid var(--border);padding:8px;border-radius:8px;
}
.burger span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:var(--r)}
.burger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ============================
   HERO
   ============================ */
.hero{
  min-height:100vh;display:flex;align-items:center;padding-top:80px;
  background:radial-gradient(ellipse 60% 50% at 70% 50%,rgba(59,130,246,.08) 0%,transparent 70%);
}
.hero-inner{
  display:grid;grid-template-columns:auto 1fr;gap:56px;align-items:center;padding:60px 28px;
}
.hero-photo-col{display:flex;flex-direction:column;align-items:center;gap:14px}
.photo-frame{
  width:200px;height:200px;border-radius:50%;overflow:hidden;position:relative;
  border:3px solid var(--blue);
  box-shadow:0 0 0 6px rgba(59,130,246,.12),0 16px 48px rgba(59,130,246,.2);
  background:var(--bg2);flex-shrink:0;
}
.photo-frame img{width:100%;height:100%;object-fit:cover}
.photo-ph{
  position:absolute;inset:0;display:none;align-items:center;justify-content:center;
  font-size:3.5rem;color:var(--blue);opacity:.4;
}
.status-badge{
  display:flex;align-items:center;gap:7px;
  background:var(--card);border:1px solid var(--border);border-radius:99px;
  padding:5px 14px;font-size:.8rem;font-weight:600;color:var(--text2);
}
.dot-green{
  width:8px;height:8px;border-radius:50%;background:var(--green);flex-shrink:0;
  box-shadow:0 0 0 3px rgba(34,197,94,.2);animation:pulse-g 2s ease infinite;
}
@keyframes pulse-g{50%{box-shadow:0 0 0 6px rgba(34,197,94,.05)}}

.hero-text{animation:fadeUp .7s ease both}
.eyebrow{font-size:.95rem;color:var(--blue);font-weight:500;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.hero-text h1{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:900;line-height:1.15;margin-bottom:10px;color:var(--text)}
.hero-text h1 span{color:var(--blue-l)}
.typed-wrap{font-size:1.15rem;font-weight:500;color:var(--text2);margin-bottom:16px;min-height:1.8rem}
#typed{color:var(--accent);font-weight:700}
.cursor{color:var(--accent);animation:blink .7s step-end infinite}
@keyframes blink{50%{opacity:0}}
.hero-desc{color:var(--text2);max-width:520px;margin-bottom:28px;font-size:.95rem}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--blue-d));
  color:#fff;padding:11px 26px;border-radius:99px;font-weight:700;font-size:.9rem;
  display:inline-flex;align-items:center;gap:8px;
  transition:transform var(--r),box-shadow var(--r);
  box-shadow:0 4px 16px rgba(59,130,246,.3);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(59,130,246,.45)}
.btn-primary.full{width:100%;justify-content:center;border-radius:10px;padding:13px}
.btn-outline{
  color:var(--blue-l);padding:11px 26px;border-radius:99px;
  border:2px solid var(--blue);font-weight:600;font-size:.9rem;
  display:inline-flex;align-items:center;gap:8px;
  transition:background var(--r),color var(--r),transform var(--r);
}
.btn-outline:hover{background:var(--blue);color:#fff;transform:translateY(-2px)}
.hero-socials{display:flex;gap:10px;flex-wrap:wrap}
.hero-socials a{
  width:38px;height:38px;border-radius:50%;border:1.5px solid var(--border);
  display:grid;place-items:center;color:var(--text2);font-size:.95rem;
  transition:all var(--r);
}
.hero-socials a:hover{border-color:var(--blue);color:var(--blue);background:rgba(59,130,246,.1);transform:translateY(-3px)}

/* ============================
   SECTIONS
   ============================ */
.section{padding:80px 0}
.sec-alt{background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{text-align:center;margin-bottom:48px}
.tag{
  display:inline-block;background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.2);
  color:var(--blue-l);padding:4px 16px;border-radius:99px;
  font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:clamp(1.7rem,3.5vw,2.4rem);font-weight:900;color:var(--text)}
.section-head p{color:var(--text2);font-size:.93rem;margin-top:8px}
.link{display:inline-flex;align-items:center;gap:6px;color:var(--blue-l);font-weight:600;font-size:.87rem;transition:gap var(--r),color var(--r)}
.link:hover{gap:10px;color:var(--accent)}

/* ============================
   À PROPOS
   ============================ */
.about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:56px;align-items:start}
.about-text p{color:var(--text2);margin-bottom:16px;font-size:.95rem}
.about-text strong{color:var(--text)}
.about-stats{display:flex;gap:32px;margin-top:28px;padding-top:24px;border-top:1px solid var(--border)}
.astat{text-align:center}
.astat strong{font-size:2rem;font-weight:900;color:var(--blue-l);line-height:1}
.astat sup{font-size:1.2rem;color:var(--blue-l);font-weight:900}
.astat span{display:block;font-size:.8rem;color:var(--text2);margin-top:4px}

.skills-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}
.stab{
  padding:5px 14px;border-radius:99px;font-size:.8rem;font-weight:600;
  background:var(--bg2);border:1px solid var(--border);color:var(--text2);
  transition:all var(--r);cursor:pointer;
}
[data-theme="light"] .stab{background:var(--bg3)}
.stab.active,.stab:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.skill-bars{display:flex;flex-direction:column;gap:14px;margin-bottom:20px}
.skill-item.hidden{display:none}
.skill-label{display:flex;align-items:center;gap:7px;margin-bottom:5px;font-size:.88rem;font-weight:500}
.skill-label i{color:var(--blue);font-size:.85rem}
.skill-pct{margin-left:auto;color:var(--blue-l);font-weight:700;font-size:.82rem}
.skill-bar{height:6px;background:var(--bg3);border-radius:4px;overflow:hidden}
.skill-fill{height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--accent));border-radius:4px;transition:width 1s cubic-bezier(.4,0,.2,1)}
.stack-icons{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.stack-icons span{
  width:44px;height:44px;border-radius:10px;
  background:var(--bg2);border:1px solid var(--border);
  display:grid;place-items:center;font-size:1.3rem;color:var(--blue-l);
  transition:all var(--r);cursor:default;
}
[data-theme="light"] .stack-icons span{background:var(--bg3)}
.stack-icons span:hover{background:var(--blue);color:#fff;border-color:var(--blue);transform:translateY(-3px)}

/* ============================
   TIMELINE (Expérience + Formation)
   ============================ */
.timeline-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.tl-title{font-size:1rem;font-weight:700;color:var(--text2);display:flex;align-items:center;gap:9px;margin-bottom:28px}
.tl-title i{color:var(--blue);font-size:1rem}
.timeline{position:relative;padding-left:24px}
.timeline::before{content:'';position:absolute;left:7px;top:0;bottom:0;width:2px;background:var(--border)}
.tl-item{position:relative;margin-bottom:28px}
.tl-dot{
  position:absolute;left:-24px;top:4px;
  width:16px;height:16px;border-radius:50%;
  background:var(--blue);border:3px solid var(--bg);
  box-shadow:0 0 0 3px rgba(59,130,246,.2);
}
.tl-dot-alt{background:var(--accent)}
.tl-content{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px 20px}
.tl-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.tl-period{font-size:.78rem;color:var(--text3);font-weight:500}
.badge-now{background:rgba(34,197,94,.12);color:var(--green);border:1px solid rgba(34,197,94,.3);padding:2px 10px;border-radius:99px;font-size:.72rem;font-weight:700}
.tl-content h4{font-size:.97rem;font-weight:700;color:var(--text);margin-bottom:5px}
.tl-org{font-size:.82rem;color:var(--blue-l);font-weight:500;margin-bottom:6px;display:flex;align-items:center;gap:6px}
.tl-desc{font-size:.85rem;color:var(--text2);line-height:1.6}

/* ============================
   SERVICES
   ============================ */
.srv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.srv-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:28px 22px;position:relative;overflow:hidden;
  transition:transform var(--r),border-color var(--r),box-shadow var(--r);
}
.srv-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--blue),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform var(--r);
}
.srv-card:hover{transform:translateY(-6px);border-color:rgba(59,130,246,.35);box-shadow:0 16px 40px rgba(59,130,246,.15)}
.srv-card:hover::before{transform:scaleX(1)}
.srv-card.featured{border-color:rgba(59,130,246,.4)}
.srv-card.featured::before{transform:scaleX(1)}
.srv-badge{position:absolute;top:14px;right:14px;background:linear-gradient(135deg,var(--blue),var(--accent));color:#fff;padding:2px 10px;border-radius:99px;font-size:.7rem;font-weight:700}
.srv-icon{width:52px;height:52px;border-radius:12px;background:rgba(59,130,246,.12);border:1px solid var(--border);display:grid;place-items:center;font-size:1.35rem;color:var(--blue-l);margin-bottom:16px}
.srv-card h3{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:10px}
.srv-card p{color:var(--text2);font-size:.87rem;line-height:1.7;margin-bottom:16px}

/* ============================
   BLOG
   ============================ */
.cat-filters{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:36px}
.cat-btn{
  padding:6px 16px;border-radius:99px;font-size:.8rem;font-weight:600;
  background:var(--bg2);border:1px solid var(--border);color:var(--text2);
  transition:all var(--r);cursor:pointer;
}
[data-theme="light"] .cat-btn{background:var(--bg3)}
.cat-btn:hover,.cat-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.blog-card{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:transform var(--r),box-shadow var(--r),border-color var(--r)}
.blog-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(59,130,246,.15);border-color:rgba(59,130,246,.3)}
.blog-img{position:relative;height:160px;background:linear-gradient(135deg,rgba(30,41,59,1),rgba(15,23,42,1));display:grid;place-items:center}
[data-theme="light"] .blog-img{background:linear-gradient(135deg,#dbeafe,#eff6ff)}
.blog-ph{font-size:3rem;color:rgba(59,130,246,.35)}
.blog-img img{width:100%;height:100%;object-fit:cover}
.cat-label{position:absolute;top:12px;left:12px;background:var(--blue);color:#fff;padding:2px 10px;border-radius:99px;font-size:.7rem;font-weight:700}
.blog-body{padding:18px}
.blog-meta{display:flex;gap:12px;font-size:.76rem;color:var(--text3);margin-bottom:8px;flex-wrap:wrap}
.blog-body h3{font-size:.93rem;font-weight:700;color:var(--text);line-height:1.4;margin-bottom:7px}
.blog-body p{color:var(--text2);font-size:.84rem;line-height:1.6;margin-bottom:12px}

/* ============================
   CONTACT
   ============================ */
.alert-ok{
  background:rgba(34,197,94,.08);border:1px solid rgba(34,197,94,.25);
  border-radius:10px;padding:12px 18px;margin-bottom:28px;
  color:#86efac;font-weight:500;display:flex;align-items:center;gap:9px;font-size:.9rem;
}
.contact-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:start}
.contact-left{display:flex;flex-direction:column;gap:14px}
.info-card{
  display:flex;align-items:center;gap:14px;
  background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px 18px;
  transition:border-color var(--r),transform var(--r);
}
.info-card:hover{border-color:rgba(59,130,246,.3);transform:translateX(4px)}
.info-card>i{font-size:1.3rem;color:var(--blue-l);width:30px;text-align:center;flex-shrink:0}
.info-card strong{display:block;font-size:.78rem;color:var(--text3);margin-bottom:2px;font-weight:600}
.info-card a{color:var(--text);font-size:.88rem}
.info-card a:hover{color:var(--blue-l)}
.info-card span{color:var(--text);font-size:.88rem}
.dispo-row{display:flex;align-items:center;gap:8px;color:var(--text2);font-size:.85rem}
.contact-socials{display:flex;gap:10px;flex-wrap:wrap}
.contact-socials a{
  width:38px;height:38px;border-radius:50%;border:1.5px solid var(--border);
  display:grid;place-items:center;color:var(--text2);font-size:.95rem;transition:all var(--r);
}
.contact-socials a:hover{border-color:var(--blue);color:var(--blue);background:rgba(59,130,246,.1);transform:translateY(-2px)}
.btn-wa-big{
  display:flex;align-items:center;justify-content:center;gap:9px;
  background:linear-gradient(135deg,var(--wa),#128c7e);color:#fff;
  padding:13px 24px;border-radius:99px;font-weight:700;font-size:.9rem;
  transition:transform var(--r),box-shadow var(--r);box-shadow:0 4px 18px rgba(37,211,102,.3);
}
.btn-wa-big:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(37,211,102,.4)}

.contact-form{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:32px;display:flex;flex-direction:column;gap:16px;
}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fg{display:flex;flex-direction:column;gap:5px}
.fg label{font-size:.8rem;font-weight:600;color:var(--text2)}
.fg input,.fg textarea,.fg select{
  background:var(--bg2);border:1.5px solid var(--border);border-radius:8px;
  color:var(--text);padding:10px 14px;font-size:.9rem;outline:none;
  transition:border-color var(--r),box-shadow var(--r);-webkit-appearance:none;
}
.fg input::placeholder,.fg textarea::placeholder{color:var(--text3)}
.fg select option{background:var(--bg2)}
.fg input:focus,.fg textarea:focus,.fg select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,130,246,.12)}
.fg textarea{resize:vertical;min-height:100px}

/* ============================
   FOOTER
   ============================ */
.footer{background:var(--bg);border-top:1px solid var(--border);padding:48px 0}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center}
.footer-inner>p{color:var(--text2);font-size:.88rem}
.f-socials{display:flex;gap:10px}
.f-socials a{width:38px;height:38px;border-radius:50%;border:1.5px solid var(--border);display:grid;place-items:center;color:var(--text2);font-size:.9rem;transition:all var(--r)}
.f-socials a:hover{background:var(--blue);border-color:var(--blue);color:#fff;transform:translateY(-2px)}
.f-links{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}
.f-links a{color:var(--text2);font-size:.85rem;font-weight:500;transition:color var(--r)}
.f-links a:hover{color:var(--blue-l)}
.copy{color:var(--text3);font-size:.78rem}

/* ============================
   FLOATING WA + TOP
   ============================ */
.wa-float{
  position:fixed;bottom:24px;right:24px;z-index:900;
  width:54px;height:54px;border-radius:50%;
  background:linear-gradient(135deg,var(--wa),#128c7e);
  display:grid;place-items:center;font-size:1.6rem;color:#fff;
  box-shadow:0 4px 18px rgba(37,211,102,.4);
  transition:transform var(--r);animation:pulse-wa 3s ease infinite;
}
.wa-float:hover{transform:scale(1.1);animation:none}
@keyframes pulse-wa{50%{box-shadow:0 4px 18px rgba(37,211,102,.4),0 0 0 10px rgba(37,211,102,0)}}
.top-btn{
  position:fixed;bottom:90px;right:24px;z-index:900;
  width:40px;height:40px;border-radius:50%;
  background:var(--blue);color:#fff;font-size:.85rem;
  opacity:0;pointer-events:none;
  transition:opacity var(--r),transform var(--r);box-shadow:0 3px 14px rgba(59,130,246,.3);
}
.top-btn.show{opacity:1;pointer-events:all}
.top-btn:hover{transform:translateY(-3px)}

/* ============================
   ANIMATION
   ============================ */
.fade-up{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.fade-up.in{opacity:1;transform:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

/* ============================
   RESPONSIVE
   ============================ */
@media(max-width:1024px){
  .srv-grid{grid-template-columns:repeat(2,1fr)}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .timeline-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .navbar{padding:14px 18px}
  .btn-wa span{display:none}
  .nav-links{
    position:fixed;top:62px;left:0;right:0;
    background:rgba(15,23,42,.97);backdrop-filter:blur(16px);
    flex-direction:column;align-items:center;padding:14px;gap:4px;
    transform:translateY(-110%);transition:transform var(--r);
    border-bottom:1px solid var(--border);
  }
  [data-theme="light"] .nav-links{background:rgba(248,250,252,.97)}
  .nav-links.open{transform:none}
  .burger{display:flex}
  .hero-inner{grid-template-columns:1fr;text-align:center;gap:32px}
  .hero-photo-col{order:-1}
  .hero-btns,.hero-socials{justify-content:center}
  .hero-desc{margin:0 auto 24px}
  .photo-frame{width:160px;height:160px}
  .srv-grid,.blog-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .row-2{grid-template-columns:1fr}
  .section{padding:56px 0}
  .contact-form{padding:22px 16px}
  .about-stats{gap:20px}
}
@media(max-width:480px){
  .hero-btns{flex-direction:column;width:100%}
  .btn-primary,.btn-outline{justify-content:center}
}