/* Reset simple */
* { box-sizing: border-box; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

:root{
  --bg: #0b0f17;
  --bg2:#0f1624;
  --card:#121b2b;
  --text:#e7eaf0;
  --muted:#a8b0c2;
  --line: rgba(255,255,255,.08);
  --accent:#6ee7ff;
  --accent2:#a78bfa;
  --radius: 18px;
}

body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial;
  background: radial-gradient(1200px 800px at 20% 0%, rgba(110,231,255,.12), transparent 60%),
              radial-gradient(900px 700px at 80% 10%, rgba(167,139,250,.12), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container{
  width: min(1100px, 92%);
  margin: 0 auto;
}

.section{
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.section-alt{
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.02));
}

.section-head{
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}

.section-head p{ color: var(--muted); max-width: 70ch; }
h1,h2,h3{ line-height: 1.15; }
h1{ font-size: clamp(2rem, 3.2vw, 3rem); letter-spacing: -0.02em; }
h2{ font-size: clamp(1.4rem, 2.1vw, 2rem); letter-spacing: -0.02em; }
h3{ font-size: 1.05rem; }

#tech .tech-text {
  max-width: 72ch;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  margin-top: 1rem;
}

#tech .tech-text p {
  line-height: 1.75;
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
}

#tech .tech-highlight {
  margin-top: 0.5rem;
  padding-left: 1rem;
  margin-bottom: 1rem;
  border-left: 3px solid #6ee7ff;
  color: #ffffff;
  font-weight: 500;
}

/* Résultats & apprentissages */

#resultats .results-points {
  margin-top: 2rem;
  max-width: 70ch;
}

#resultats .results-points ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: rgba(255,255,255,0.85);
}

#resultats .results-points li {
  line-height: 1.6;
}

#resultats .results-points strong {
  color: #ffffff;
  font-weight: 600;
}


/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11,15,23,.65);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 12px;
}

.logo{
  display: inline-flex;
  align-items: center;
  gap: 20px;
  font-weight: 700;
}

.logo-mark{
  width: 120px;
  display: grid;
  place-items: center;
  background: transparent;
}

.logo-text{ opacity: .95; }

.nav{
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.95rem;
}

.nav a{
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
  transition: .2s;
}

.nav a:hover{
  color: var(--text);
  background: rgba(255,255,255,.04);
}

/* Boutons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(110,231,255,.18), rgba(167,139,250,.18));
  transition: transform .08s ease, background .2s ease;
  font-weight: 600;
}

.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }

.btn-ghost{
  background: rgba(255,255,255,.02);
}

.btn-small{
  padding: 10px 12px;
  font-size: .92rem;
}

/* Hero */
.hero{
  padding: 64px 0 56px;
  border-top: none;
}

.hero-grid{
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 32px;
  align-items: center;
}

.badge{
  display: inline-flex;
  width: fit-content;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255,255,255,.02);
  margin-bottom: 14px;
}

.subtitle{
  color: var(--muted);
  margin-top: 12px;
  max-width: 65ch;
}

.hero-actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.meta{
  margin-top: 18px;
  display: grid;
  gap: 6px;
  color: var(--muted);
}

.meta strong{ color: var(--text); font-weight: 600; }

.mockup{
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: 0 12px 50px rgba(0,0,0,.35);
}

.mockup img{
  height: 360px;
  width: 100%;
  object-position: top;
}

/* Cards */
.cards{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card{
  background: rgba(18,27,43,.75);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.card p{ color: var(--muted); margin-top: 8px; }

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

.tags li{
  font-size: .9rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.02);
  color: var(--muted);
}

.bullets{
  margin-top: 10px;
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.bullets li{
  padding-left: 14px;
  position: relative;
}

.bullets li::before{
  content:"";
  width: 6px; height: 6px;
  border-radius: 999px;
  background: rgba(110,231,255,.7);
  position: absolute;
  left: 0; top: 10px;
}

/* Lists */
.grid-2{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.list{
  display: grid;
  gap: 12px;
}

.list-item{
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.02);
}

.dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  margin-top: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}

/* Gallery */
.gallery{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.shot{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(18,27,43,.6);
}

.shot img{
  width: 100%;
  object-position: top;
}

.shot figcaption{
  padding: 12px;
  color: var(--muted);
  font-size: .95rem;
}

/* Quote */
.quote{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255,255,255,.02);
}

.quote p{ font-size: 1.05rem; }
.quote span{ display:block; margin-top: 10px; color: var(--muted); }

/* Contact */
.contact{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.contact-actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Footer */
.footer{
  border-top: 1px solid var(--line);
  padding: 18px 0;
  color: var(--muted);
}

.footer-inner{
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.small{ font-size: .95rem; }

/* Responsive */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .mockup img{ height: 280px; }
  .cards{ grid-template-columns: 1fr; }
  .gallery{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .nav{ display: none; }
}