:root{
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e7eaf0;

  --primary: #8fb3c9;       /* bleu pastel */
  --primary-hover: #7aa6bf;
  --soft: #c7dedd;          /* vert doux */
  --danger: #e57373;

  --radius: 18px;
  --shadow: 0 20px 40px rgba(0,0,0,0.06);
}

*{ box-sizing: border-box; }
body{
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container{
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Topbar */
.topbar{
  position: sticky;
  top: 0;
  background: rgba(246,247,249,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.topbar-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
}

.logo{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--soft));
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 800;
  color: white;
  letter-spacing: .6px;
}

.brand-text{
  display:flex;
  flex-direction: column;
  gap: 2px;
}
.brand-text strong{ font-size: 0.98rem; }
.brand-text span{ color: var(--muted); font-size: 0.86rem; }

.nav{
  display:flex;
  align-items:center;
  gap: 14px;
}
.nav a{
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav a:hover{ color: var(--text); }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--primary);
  color: white;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  cursor:pointer;
}
.btn:hover{ background: var(--primary-hover); }

.btn.ghost{
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn.ghost:hover{
  background: #eef2f6;
}

.btn.small{
  padding: 10px 14px;
  font-size: 0.92rem;
}

/* Hero */
.hero{
  padding: 34px 0 12px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 18px;
  align-items: start;
}

h1{
  margin: 0 0 10px;
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: .2px;
}

.lead{
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 1.02rem;
}

.hero-actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.badges{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge{
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #ffffff;
  box-shadow: 0 8px 20px rgba(0,0,0,0.04);
  font-weight: 700;
  color: #384152;
  font-size: 0.88rem;
}

/* Sections */
.section{
  padding: 22px 0;
}

.section.alt{
  padding: 26px 0;
}

.section-title{
  margin: 0 0 14px;
  font-size: 1.3rem;
  font-weight: 700;
}

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.card.highlight{
  border-color: rgba(143,179,201,0.55);
  background: linear-gradient(180deg, #ffffff 0%, #f7fbfd 100%);
}

.small{ font-size: 0.92rem; }
.muted{ color: var(--muted); }

.grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.projects{
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tagline{
  margin-top: 10px;
  color: #475569;
  font-weight: 600;
}

.checklist{
  margin: 10px 0 0;
  padding-left: 18px;
  color: #374151;
  line-height: 1.6;
}

.chips{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.chip{
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f8fafc;
  font-weight: 700;
  font-size: 0.86rem;
  color: #4b5563;
}

.link{
  display:inline-block;
  margin-top: 10px;
  text-decoration: none;
  color: #2b5f78;
  font-weight: 800;
}
.link:hover{ text-decoration: underline; }

.about{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.bullets{
  margin: 10px 0 0;
  padding-left: 18px;
  line-height: 1.7;
  color: #374151;
}

.contact{
  display:grid;
  gap: 10px;
}

.contact-row{
  display:flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fbfbfc;
}

.footer{
  padding: 22px 0 32px;
}

/* Responsive */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr; }
  .projects{ grid-template-columns: 1fr; }
  .about{ grid-template-columns: 1fr; }
  .nav{ display:none; }
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 10px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, #8fb3c9, #c7dedd);
  color: white;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.9rem;
  box-shadow: 0 8px 20px rgba(143, 179, 201, 0.35);
  transition: all 0.25s ease;
}

.demo-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(143, 179, 201, 0.45);
}

/* Cartes projets : même hauteur + bouton en bas */
.card.project{
  display: flex;
  flex-direction: column;
  min-height: 240px; /* ajuste si besoin */
}

.card.project .chips{
  margin-top: auto; /* pousse le bloc "chips" + bouton vers le bas */
}

.card.project .demo-badge,
.card.project .link,
.card.project .github-link{
  align-self: flex-start; /* bouton propre à gauche */
  margin-top: 12px;
}

.card.project .demo-badge{
  width: fit-content;
  min-width: 190px;
  justify-content: center;
}

.project-media {
  margin-top: 12px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(229,231,235,.9);
  background: rgba(255,255,255,.6);
  box-shadow: 0 16px 30px rgba(0,0,0,.06);
}

.project-media img {
  width: 100%;
  display: block;
}

.project-media img {
  transform: scale(1);
  transition: transform .35s ease;
}
.project-media:hover img {
  transform: scale(1.02);
}