/* =============== Base =============== */
:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,0.06);
  --panel-2: rgba(255,255,255,0.10);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.72);
  --muted-2: rgba(255,255,255,0.55);
  --border: rgba(255,255,255,0.12);
  --shadow: 0 14px 44px rgba(0,0,0,0.35);
  --radius: 18px;
  --radius-sm: 14px;
  --max: 1120px;
  --pad: 20px;

  --accent: #5eead4;     /* turquoise */
  --accent-2: #60a5fa;   /* bleu */
  --danger: #fb7185;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(900px 480px at 10% 10%, rgba(96,165,250,0.22), transparent 60%),
    radial-gradient(760px 520px at 90% 20%, rgba(94,234,212,0.18), transparent 60%),
    radial-gradient(600px 480px at 60% 90%, rgba(251,113,133,0.10), transparent 60%),
    linear-gradient(180deg, #070b14 0%, #0b1220 45%, #070b14 100%);
  line-height: 1.5;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }

img{ max-width: 100%; height: auto; display: block; }

.container{
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* =============== Header / Nav =============== */
.header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(7,11,20,0.58);
  border-bottom: 1px solid var(--border);
}

.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.brand-badge{
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(94,234,212,0.22), rgba(96,165,250,0.22));
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.22);
}

.nav-links{
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.nav-links a{
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid transparent;
}

.nav-links a.active{
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border-color: var(--border);
}

.nav-links a:hover{
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

/* =============== Hero =============== */
.hero{
  padding: 54px 0 26px;
}

.hero-grid{
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
  align-items: stretch;
}

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

.card-inner{
  padding: 22px;
}

.kicker{
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.h1{
  margin: 14px 0 10px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.6px;
}

.lead{
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 62ch;
}

.cta-row{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none !important;
}

.btn.primary{
  background: linear-gradient(135deg, rgba(94,234,212,0.18), rgba(96,165,250,0.18));
  border-color: rgba(255,255,255,0.16);
}

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

.meta{
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.meta .item{
  padding: 14px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
}

.meta .label{
  color: var(--muted-2);
  font-size: 13px;
}

.meta .value{
  font-weight: 700;
  margin-top: 4px;
}

/* =============== Sections =============== */
.section{
  padding: 18px 0 52px;
}

.section-title{
  font-size: 22px;
  margin: 0 0 12px;
  letter-spacing: -0.3px;
}

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

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

.feature{
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  min-height: 120px;
}

.feature h3{
  margin: 0 0 8px;
  font-size: 16px;
}

.feature p{
  margin: 0;
  color: var(--muted);
}

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

.pill{
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

/* =============== Forms =============== */
.form{
  display: grid;
  gap: 12px;
}

.field{
  display: grid;
  gap: 6px;
}

label{
  font-size: 13px;
  color: var(--muted);
}

input, textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.18);
  color: var(--text);
  outline: none;
}

textarea{ min-height: 120px; resize: vertical; }

.help{
  font-size: 13px;
  color: var(--muted-2);
}

.notice{
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--muted);
}

.notice.success{ border-color: rgba(94,234,212,0.35); }
.notice.error{ border-color: rgba(251,113,133,0.45); color: rgba(251,113,133,0.95); }

/* =============== Footer =============== */
.footer{
  border-top: 1px solid var(--border);
  background: rgba(7,11,20,0.55);
  padding: 18px 0;
  color: var(--muted-2);
  font-size: 13px;
}

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

/* =============== Responsive =============== */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
}