/* =========================================================
   Louckmane SAWADOGO — Portfolio
   Palette : vert agroécologie + bleu biotechnologie
   ========================================================= */

:root{
  --green-900:#0f3d2a;
  --green-700:#1f6f50;
  --green-500:#2f8b63;
  --green-100:#e7f2ea;
  --blue-900:#12365c;
  --blue-700:#1c4e80;
  --blue-100:#e8f0f8;
  --gold:#e3b23c;
  --bg:#faf9f6;
  --bg-alt:#f2f6f2;
  --ink:#1c2622;
  --ink-soft:#5b6b64;
  --white:#ffffff;
  --border:#e2e8e2;

  --font-display:'Fraunces', Georgia, serif;
  --font-body:'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 45px -20px rgba(15,61,42,.25);
  --shadow-sm:0 8px 20px -12px rgba(15,61,42,.2);
  --max-w:1180px;
  --transition:.35s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.15;letter-spacing:-.01em}
[hidden]{display:none !important}

.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.in-view{opacity:1;transform:translateY(0)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:.95rem;
  transition:transform var(--transition),box-shadow var(--transition),background var(--transition);
  white-space:nowrap;
}
.btn-primary{background:var(--green-700);color:var(--white);box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--green-900);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{border:1.5px solid var(--border);color:var(--ink)}
.btn-ghost:hover{border-color:var(--green-700);color:var(--green-700);transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(250,249,246,.97);
  border-bottom:1px solid transparent;
  transition:border-color var(--transition),box-shadow var(--transition);
}
/* Note: backdrop-filter is intentionally avoided here — it would make this
   header the containing block for its position:fixed mobile nav descendant,
   breaking full-viewport coverage of the mobile menu. */
.site-header.scrolled{border-color:var(--border);box-shadow:0 4px 20px -12px rgba(0,0,0,.1)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}

.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--green-700),var(--blue-700));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:.95rem;letter-spacing:.02em;flex:none;
}
.brand-name{font-size:.95rem;color:var(--ink);display:flex;flex-direction:column;line-height:1.1}
.brand-name strong{font-weight:700}

.main-nav ul{display:flex;align-items:center;gap:2px}
.main-nav a{
  display:block;padding:10px 16px;border-radius:999px;font-size:.92rem;font-weight:500;
  color:var(--ink-soft);transition:color var(--transition),background var(--transition);
}
.main-nav a:hover{color:var(--green-700);background:var(--green-100)}
.main-nav a.nav-cta{background:var(--green-700);color:#fff}
.main-nav a.nav-cta:hover{background:var(--green-900);color:#fff}

.header-actions{display:flex;align-items:center;gap:14px}
.lang-toggle{
  display:flex;align-items:center;gap:2px;
  border:1.5px solid var(--border);border-radius:999px;padding:3px;
  transition:border-color var(--transition);
}
.lang-toggle:hover{border-color:var(--green-700)}
.lang-btn{
  font-size:.78rem;font-weight:700;letter-spacing:.03em;
  padding:6px 10px;border-radius:999px;color:var(--ink-soft);
  transition:background var(--transition),color var(--transition);
}
.lang-btn.active{background:var(--green-700);color:#fff}

.nav-toggle{display:none;flex-direction:column;gap:5px;width:26px;padding:4px}
.nav-toggle span{height:2px;background:var(--ink);border-radius:2px;transition:var(--transition)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:120px 0 60px;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero-blob{position:absolute;top:-10%;right:-15%;width:60vw;max-width:720px;opacity:.16;animation:float 14s ease-in-out infinite}
.dot-grid{
  position:absolute;left:-40px;bottom:6%;width:220px;height:220px;
  background-image:radial-gradient(var(--green-700) 1.6px, transparent 1.6px);
  background-size:18px 18px;opacity:.15;
}
@keyframes float{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-24px) rotate(4deg)}}

.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}

.eyebrow,.section-eyebrow{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--green-700);margin-bottom:14px;
}
.hero-text h1{font-size:clamp(2.4rem,5vw,3.6rem);color:var(--ink)}
.hero-text h1 span{color:var(--green-700)}
.hero-role{font-size:1.15rem;font-weight:600;color:var(--blue-700);margin-top:14px}
.hero-tagline{margin-top:18px;font-size:1.05rem;color:var(--ink-soft);max-width:52ch}

.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}

.hero-badges{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:36px}
.hero-badges li{display:flex;align-items:center;gap:8px;font-size:.85rem;font-weight:600;color:var(--ink-soft)}
.badge-dot{width:7px;height:7px;border-radius:50%;background:var(--gold)}

.hero-photo{display:flex;justify-content:center}
.photo-frame{
  position:relative;width:min(360px,90%);aspect-ratio:3/4;border-radius:28px;overflow:hidden;
  box-shadow:var(--shadow);border:6px solid var(--white);
  background:linear-gradient(160deg,var(--green-100),var(--blue-100));
}
.photo-frame img{width:100%;height:100%;object-fit:cover;object-position:top center}

.scroll-cue{
  position:absolute;left:50%;bottom:28px;transform:translateX(-50%);
  color:var(--green-700);opacity:.6;animation:bob 2.2s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ---------- Sections ---------- */
.section{padding:110px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:640px;margin-bottom:56px}
.section-head h2{font-size:clamp(1.9rem,3.4vw,2.6rem)}
.section-lead{margin-top:14px;color:var(--ink-soft);font-size:1.05rem}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:center}
.about-photo{position:relative}
.about-photo img{border-radius:24px;box-shadow:var(--shadow);position:relative;z-index:1;aspect-ratio:4/5;object-fit:cover}
.about-photo-frame{
  position:absolute;inset:18px -18px -18px 18px;border:2px solid var(--gold);border-radius:24px;z-index:0;
}
.about-text h2{margin-bottom:22px}
.about-text p{color:var(--ink-soft);margin-bottom:14px}
.about-stats{display:flex;gap:36px;margin-top:32px;padding-top:28px;border-top:1px solid var(--border)}
.stat{display:flex;flex-direction:column}
.stat-value{font-family:var(--font-display);font-size:2.1rem;color:var(--green-700);font-weight:600}
.stat-label{font-size:.85rem;color:var(--ink-soft)}

/* ---------- Timeline (Formation) ---------- */
.timeline{position:relative;max-width:820px;margin:0 auto}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--border);
}
.timeline-item{position:relative;padding-left:44px;margin-bottom:36px}
.timeline-item:last-child{margin-bottom:0}
.timeline-dot{
  position:absolute;left:0;top:6px;width:20px;height:20px;border-radius:50%;
  background:var(--white);border:3px solid var(--green-700);
}
.timeline-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 28px;transition:transform var(--transition),box-shadow var(--transition);
}
.timeline-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.timeline-date{display:inline-block;font-size:.8rem;font-weight:700;color:var(--blue-700);letter-spacing:.03em;margin-bottom:8px}
.timeline-card h3{font-size:1.2rem;margin-bottom:4px}
.timeline-place{color:var(--ink-soft);font-size:.95rem;margin-bottom:10px}
.pill{
  display:inline-block;background:var(--green-100);color:var(--green-900);
  font-size:.78rem;font-weight:700;padding:6px 14px;border-radius:999px;margin-top:6px;
}

.thesis-block{margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}
.thesis-label{font-size:.78rem;font-weight:700;color:var(--blue-700);text-transform:uppercase;letter-spacing:.03em;margin-bottom:6px}
.thesis-title{font-size:.92rem;font-style:italic;color:var(--ink);line-height:1.5;margin-bottom:6px}
.thesis-meta{font-size:.85rem;color:var(--ink-soft);margin-bottom:0}

/* ---------- Experience cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.exp-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 28px;transition:transform var(--transition),box-shadow var(--transition);
}
.exp-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.exp-icon{
  width:48px;height:48px;border-radius:12px;background:var(--blue-100);color:var(--blue-700);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.exp-icon svg{width:24px;height:24px}
.exp-card h3{font-size:1.15rem;margin:4px 0 2px}
.exp-card ul{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.exp-card li{position:relative;padding-left:18px;font-size:.92rem;color:var(--ink-soft)}
.exp-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* ---------- Projects ---------- */
.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.project-card{
  background:var(--white);border:1px solid var(--border);border-radius:20px;
  padding:36px;transition:transform var(--transition),box-shadow var(--transition);
}
.project-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.project-head{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.project-logo{
  width:56px;height:56px;border-radius:14px;flex:none;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.project-logo-clagec{background:var(--green-100);color:var(--green-700)}
.project-logo-clagec svg{width:28px;height:28px}
.project-logo-apex{background:#f4effb;padding:8px}
.project-logo-apex img{object-fit:contain;width:100%;height:100%}
.project-head h3{font-size:1.3rem}
.project-role{font-size:.85rem;font-weight:700;color:var(--blue-700);margin-top:2px}
.project-full-name{color:var(--ink-soft);font-size:.9rem;margin-bottom:16px;font-style:italic}
.project-card p{margin-bottom:12px;font-size:.95rem}
.project-card ul{margin:6px 0 16px;display:flex;flex-direction:column;gap:9px}
.project-card li{position:relative;padding-left:18px;font-size:.92rem;color:var(--ink-soft)}
.project-card li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--green-700)}
.project-impact{
  font-size:.88rem;color:var(--green-900);background:var(--green-100);
  padding:14px 16px;border-radius:12px;margin-top:16px;margin-bottom:0;
}

/* ---------- Skills ---------- */
.skills-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.skill-block{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;transition:transform var(--transition),box-shadow var(--transition);
}
.skill-block:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.skill-block-icon{
  width:44px;height:44px;border-radius:12px;background:var(--green-100);color:var(--green-700);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.skill-block-icon svg{width:22px;height:22px}
.skill-block h3{font-size:1.02rem;margin-bottom:14px;line-height:1.3}
.skill-block ul{display:flex;flex-direction:column;gap:9px}
.skill-block li{position:relative;padding-left:16px;font-size:.88rem;color:var(--ink-soft)}
.skill-block li::before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--gold)}

.lang-list{gap:12px !important}
.lang-list li{display:flex;align-items:center;justify-content:space-between;padding-left:0;font-size:.9rem;color:var(--ink)}
.lang-list li::before{display:none}
.lang-level{display:flex;gap:4px}
.lang-level i{width:14px;height:6px;border-radius:3px;background:var(--green-700);display:inline-block}
.lang-level i.off{background:var(--border)}
.lang-note{margin-top:16px;font-size:.78rem;color:var(--ink-soft);line-height:1.5}

.cert-strip-list{margin-top:32px;display:flex;flex-direction:column;gap:14px}
.cert-strip{
  display:flex;align-items:center;gap:12px;
  background:var(--blue-100);color:var(--blue-900);padding:16px 22px;border-radius:14px;
  font-size:.88rem;font-weight:600;
}
.cert-strip svg{width:22px;height:22px;flex:none;color:var(--blue-700)}

/* ---------- Contact ---------- */
.section-contact{background:linear-gradient(180deg,var(--bg-alt),var(--bg))}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px}
.contact-info{display:flex;flex-direction:column;gap:14px}
.contact-item{
  display:flex;align-items:center;gap:16px;background:var(--white);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:18px 20px;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.contact-item:not(.contact-item-static):hover{transform:translateX(4px);box-shadow:var(--shadow-sm);border-color:var(--green-700)}
.contact-icon{
  width:42px;height:42px;border-radius:10px;background:var(--green-100);color:var(--green-700);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.contact-icon svg{width:20px;height:20px}
.contact-item strong{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);font-weight:700}
.contact-item span span{font-size:.98rem;font-weight:600;word-break:break-word}

.contact-form{
  background:var(--white);border:1px solid var(--border);border-radius:20px;padding:36px;
}
.form-row{margin-bottom:18px;display:flex;flex-direction:column;gap:7px}
.form-row label{font-size:.85rem;font-weight:700;color:var(--ink)}
.form-row input,.form-row textarea{
  border:1.5px solid var(--border);border-radius:10px;padding:12px 14px;font:inherit;
  background:var(--bg);transition:border-color var(--transition);resize:vertical;
}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--green-700)}
.form-note{margin-top:12px;font-size:.78rem;color:var(--ink-soft);text-align:center}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--border);padding:32px 0}
.footer-inner{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;font-size:.85rem;color:var(--ink-soft)}
.footer-top{font-weight:700;color:var(--green-700)}
.footer-top:hover{text-decoration:underline}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;text-align:center;gap:44px}
  .hero-tagline{margin-left:auto;margin-right:auto}
  .hero-cta,.hero-badges{justify-content:center}
  .hero-photo{order:-1}
  .photo-frame{width:min(280px,70%)}

  .about-grid{grid-template-columns:1fr;gap:40px}
  .about-photo{max-width:340px;margin:0 auto}

  .card-grid{grid-template-columns:repeat(2,1fr)}
  .project-grid{grid-template-columns:1fr}
  .skills-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
}

@media (max-width:980px){
  .main-nav{
    position:fixed;top:76px;left:0;right:0;bottom:0;background:var(--bg);
    padding:28px 24px;transform:translateY(-110%);opacity:0;
    transition:transform var(--transition),opacity var(--transition);
    overflow-y:auto;
  }
  .main-nav.open{transform:translateY(0);opacity:1}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:6px}
  .main-nav a{padding:16px 18px;font-size:1.05rem;border-bottom:1px solid var(--border)}
  .main-nav a.nav-cta{text-align:center;border-bottom:none;margin-top:10px}
  .nav-toggle{display:flex}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .section{padding:80px 0}
  .card-grid{grid-template-columns:1fr}
  .skills-grid{grid-template-columns:1fr}
  .about-stats{gap:24px;flex-wrap:wrap}
  .brand-name{display:none}
}

@media (max-width:480px){
  .hero{padding-top:110px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-badges{flex-direction:column;align-items:center}
  .contact-form{padding:26px}
  .project-card{padding:26px}
}