/* ==========================================================================
   Club de Fuséonautique — feuille de style partagée
   Palette : papier technique + encre + accent flamme
   Typo     : Space Grotesk (affichage) / Inter (texte) / IBM Plex Mono (data)
   ========================================================================== */

:root{
  --bg:        #F5F5F2;
  --bg-raised: #FFFFFF;
  --ink:       #14171C;
  --muted:     #666B72;
  --line:      #DCDCD5;
  --line-soft: #E8E8E3;
  --accent:    #E1512E;   /* flamme — usage restreint */
  --accent-ink:#B23D1F;
  --deep:      #1F3A5F;   /* bleu profond — secondaire */
  --paper-grid: rgba(20,23,28,0.045);

 --font-display: Futura, "Century Gothic", "Segoe UI", sans-serif;
  --font-body:    -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "SFMono-Regular", Consolas, Menlo, monospace;
  
  --max: 1120px;
  --pad: 24px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background:
    linear-gradient(var(--paper-grid) 1px, transparent 1px) 0 0/100% 44px,
    var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display:block; }

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

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before{
  content:"";
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 1px;
  display:inline-block;
  transform: rotate(45deg);
}

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.4em;
}
h1{ font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.05; }
h2{ font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1.15; }
h3{ font-size: 1.1rem; }
p{ margin: 0 0 1em; color: var(--ink); }
.muted{ color: var(--muted); }

.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  border: 1px solid var(--ink);
  transition: background .15s ease, color .15s ease, border-color .15s ease, transform .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--deep);
  outline-offset: 2px;
}
.btn-primary{ background: var(--ink); color: var(--bg); }
.btn-primary:hover{ background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-ghost{ background: transparent; color: var(--ink); }
.btn-ghost:hover{ background: var(--ink); color: var(--bg); }

/* ---------- Header / nav ---------- */
.topbar{
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: var(--bg);
}
.topbar .wrap{
  display:flex; justify-content: space-between; align-items:center;
  padding-top: 8px; padding-bottom: 8px;
  text-transform: uppercase;
}

header.site-header{
  position: sticky; top: 0; z-index: 40;
  background: rgba(245,245,242,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav-row{
  display:flex; align-items:center; justify-content: space-between;
  padding: 16px 0;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.05rem;
  letter-spacing: -0.01em;
}
.brand .mark{
  width: 26px; height: 26px;
  flex: none;
}
nav.main-nav ul{
  display:flex; gap: 28px; list-style:none; margin:0; padding:0;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.03em;
}
nav.main-nav a{
  position: relative; color: var(--muted); padding: 4px 0;
}
nav.main-nav a:hover{ color: var(--ink); }
nav.main-nav a[aria-current="page"]{ color: var(--ink); }
nav.main-nav a[aria-current="page"]::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px; background: var(--accent);
}
.nav-toggle{
  display:none;
  background:none; border:1px solid var(--line); border-radius:3px;
  width:38px; height:34px; cursor:pointer;
  align-items:center; justify-content:center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:18px; height:2px; background: var(--ink); position:relative;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }

@media (max-width: 760px){
  .nav-toggle{ display:flex; }
  nav.main-nav{
    display:none;
    position:absolute; left:0; right:0; top: 100%;
    background: var(--bg); border-bottom: 1px solid var(--line);
  }
  nav.main-nav.open{ display:block; }
  nav.main-nav ul{ flex-direction:column; gap:0; padding: 6px var(--pad) 18px; }
  nav.main-nav li{ border-top: 1px solid var(--line-soft); }
  nav.main-nav a{ display:block; padding: 14px 0; }
  nav.main-nav a[aria-current="page"]::after{ display:none; }
}

/* ---------- Hero ---------- */
.hero{ padding: 64px 0 40px; }
.hero-grid{
  display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items:center;
}
@media (max-width: 860px){ .hero-grid{ grid-template-columns: 1fr; } }
.hero h1{ margin-top: 14px; }
.hero .lede{ font-size: 1.08rem; max-width: 46ch; color: var(--muted); }
.hero-cta{ display:flex; gap:14px; margin-top: 28px; flex-wrap: wrap; }

.trajectory{ width:100%; height:auto; }
.trajectory .path{
  fill:none; stroke: var(--accent); stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 900; stroke-dashoffset: 900;
  animation: draw 1.8s ease forwards .2s;
}
.trajectory .grid-line{ stroke: var(--line); stroke-width:1; }
.trajectory .dot{ fill: var(--ink); opacity:0; animation: fadein .4s ease forwards 1.9s; }
.trajectory .tag{ font-family: var(--font-mono); font-size: 10px; fill: var(--muted); opacity:0; animation: fadein .4s ease forwards 2s; }
@keyframes draw{ to{ stroke-dashoffset: 0; } }
@keyframes fadein{ to{ opacity:1; } }

.divider-motif{ width:100%; height:28px; opacity:0.6; margin: 8px 0; }
.divider-motif path{ fill:none; stroke: var(--line); stroke-width:1.5; }

/* ---------- Sections / cards ---------- */
section{ padding: 56px 0; }
.section-head{ margin-bottom: 32px; max-width: 60ch; }
hr.rule{ border:none; border-top:1px solid var(--line); margin: 0; }

.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.grid-2{ display:grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
@media (max-width: 860px){ .grid-3, .grid-2{ grid-template-columns: 1fr; } }

.card{
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 24px;
}
.card .idx{ font-family: var(--font-mono); font-size:12px; color: var(--accent); letter-spacing:0.06em; }

.tile{
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 22px;
  background: var(--bg-raised);
  transition: border-color .15s ease, transform .15s ease;
  display:block;
}
.tile:hover{ border-color: var(--ink); transform: translateY(-2px); }
.tile h3{ margin-bottom:6px; }
.tile .go{ font-family: var(--font-mono); font-size:12px; color: var(--muted); }

/* ---------- Footer ---------- */
footer.site-footer{
  border-top: 1px solid var(--line);
  padding: 36px 0;
  margin-top: 40px;
}
.footer-grid{
  display:flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  font-size: 14px; color: var(--muted);
}
.footer-grid .col{ min-width: 200px; }
.footer-grid h4{
  font-family: var(--font-mono); font-size: 12px; letter-spacing:0.08em;
  text-transform: uppercase; color: var(--ink); margin: 0 0 10px;
}
.footer-grid ul{ list-style:none; margin:0; padding:0; }
.footer-grid li{ margin-bottom:6px; }
.footer-grid a:hover{ color: var(--ink); }
.footer-bottom{
  font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
  margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line-soft);
  display:flex; justify-content: space-between; flex-wrap:wrap; gap:8px;
}

/* ---------- Page header (interior pages) ---------- */
.page-head{ padding: 48px 0 8px; }
.page-head h1{ margin-top: 10px; }

/* ---------- Events ---------- */
.tabs{ display:flex; gap:6px; margin: 28px 0 8px; border-bottom: 1px solid var(--line); }
.tab-btn{
  font-family: var(--font-mono); font-size: 13px; letter-spacing:0.04em;
  padding: 10px 4px; margin-right: 22px; background:none; border:none; cursor:pointer;
  color: var(--muted); border-bottom: 2px solid transparent; position:relative; top:1px;
}
.tab-btn[aria-selected="true"]{ color: var(--ink); border-bottom-color: var(--accent); }
.tab-panel{ display:none; padding-top: 8px; }
.tab-panel.active{ display:block; }

.event-row{
  display:grid; grid-template-columns: 130px 1fr auto; gap: 20px; align-items:start;
  padding: 22px 0; border-bottom: 1px solid var(--line-soft);
}
@media (max-width: 700px){ .event-row{ grid-template-columns: 1fr; gap:6px; } }
.event-date{ font-family: var(--font-mono); font-size: 13px; color: var(--accent-ink); white-space:nowrap; }
.event-loc{ font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); }
.badge{
  font-family: var(--font-mono); font-size: 11px; letter-spacing:0.06em;
  border: 1px solid var(--line); border-radius: 3px; padding: 3px 8px; color: var(--muted);
  align-self:start; white-space:nowrap;
}

/* ---------- Membership / inscriptions ---------- */
.plan{ display:flex; flex-direction:column; height:100%; }
.plan .price{ font-family: var(--font-display); font-size: 2rem; margin: 6px 0 14px; }
.plan .price small{ font-family: var(--font-mono); font-size: 13px; color: var(--muted); font-weight:400; }
.plan ul{ list-style:none; padding:0; margin: 0 0 20px; flex:1; }
.plan li{ padding: 7px 0; border-top: 1px solid var(--line-soft); font-size: 14.5px; }
.plan li:first-child{ border-top:none; }

.steps{ counter-reset: step; }
.step{ display:grid; grid-template-columns: 46px 1fr; gap:18px; padding: 18px 0; border-top: 1px solid var(--line-soft); }
.step:first-child{ border-top:none; }
.step .num{
  counter-increment: step;
  font-family: var(--font-mono); color: var(--accent-ink); font-size: 14px;
}
.step .num::before{ content: "0" counter(step); }

form.form-card{
  background: var(--bg-raised); border:1px solid var(--line); border-radius:4px; padding: 28px;
}
.field{ margin-bottom: 18px; }
.field label{
  display:block; font-family: var(--font-mono); font-size: 12px; letter-spacing:0.05em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 6px;
}
.field input, .field select, .field textarea{
  width:100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 3px;
  background: var(--bg); font-family: var(--font-body); font-size: 14.5px; color: var(--ink);
}
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width:600px){ .field-row{ grid-template-columns: 1fr; } }
.form-note{ font-size: 13px; color: var(--muted); margin-top: 14px; }

/* ---------- Gallery ---------- */
.gallery-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
@media (max-width: 860px){ .gallery-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .gallery-grid{ grid-template-columns: 1fr; } }
figure.photo{ margin:0; border:1px solid var(--line); border-radius:4px; overflow:hidden; background: var(--bg-raised); }
figure.photo .frame{ aspect-ratio: 4/3; position:relative; overflow:hidden; }
figure.photo .frame svg{ width:100%; height:100%; display:block; }
figure.photo figcaption{
  padding: 12px 14px; font-family: var(--font-mono); font-size: 12px; color: var(--muted);
  display:flex; justify-content:space-between; gap:8px; border-top:1px solid var(--line-soft);
}
figure.photo figcaption .cap-title{ color: var(--ink); }
.gallery-note{
  border:1px dashed var(--line); border-radius:4px; padding:18px 20px; color:var(--muted); font-size:14px; margin-top: 28px;
}

/* ---------- Contact ---------- */
.contact-list{ list-style:none; margin:0; padding:0; }
.contact-list li{ padding: 16px 0; border-top:1px solid var(--line-soft); display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.contact-list li:first-child{ border-top:none; }
.contact-list .label{ font-family: var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:0.05em; color:var(--muted); }
.contact-list .value a:hover{ color: var(--accent-ink); }

.map-block{
  border:1px solid var(--line); border-radius:4px; aspect-ratio: 23/12; position:relative; overflow:hidden;
  background: var(--bg-raised);
}
.map-block svg{ width:100%; height:100%; }

figure.photo .frame img{
  width:100%; height:100%; object-fit:cover; display:block;
  cursor: zoom-in;
}

/* Aperçu agrandi au survol */
.img-preview-overlay{
  position: fixed;
  inset: 0;
  background: rgba(20,23,28,0.85);
  display:flex; align-items:center; justify-content:center;
  z-index: 100;
  padding: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .15s ease;
}
.img-preview-overlay.visible{ opacity: 1; }
.img-preview-overlay img{
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.45);
}