/* ASTRA VELA PRO — site vitrine — feuille de style partagée */

:root{
  --bg:            #070c1a;
  --bg-panel:      #0d1530;
  --bg-panel-2:    #101a3a;
  --bg-raised:     #131d42;

  --line:          rgba(148, 175, 224, 0.14);
  --line-strong:   rgba(148, 175, 224, 0.28);

  --text:          #f5f8fd;
  --text-soft:     #dde4f6;
  --text-muted:    #aebadd;
  --text-faint:    #8b96bd;

  --gold:          #e0a530;
  --gold-soft:     #f4c862;
  --gold-dim:      rgba(224, 165, 48, 0.14);

  --cyan:          #37c6d6;
  --cyan-soft:     #8feef6;
  --cyan-dim:      rgba(55, 198, 214, 0.14);

  --red:           #e05a5a;
  --red-soft:      #ff8a8a;

  --green:         #4caf7d;

  --radius-s:  8px;
  --radius-m:  14px;
  --radius-l:  22px;

  --shadow-1: 0 8px 24px rgba(2, 5, 16, 0.35);
  --shadow-2: 0 18px 46px rgba(2, 5, 16, 0.5);

  --font-serif: "Spectral", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:  "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

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

body{
  margin: 0;
  background:
    radial-gradient(1200px 700px at 15% -10%, #101d47 0%, transparent 55%),
    radial-gradient(1000px 600px at 100% 0%, #0e2a3d 0%, transparent 45%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* subtle starfield */
body::before{
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .45;
  background-image:
    radial-gradient(1px 1px at 10% 20%, #ffffff 100%, transparent 0),
    radial-gradient(1px 1px at 80% 10%, #ffffff 100%, transparent 0),
    radial-gradient(1px 1px at 60% 70%, #ffffff 100%, transparent 0),
    radial-gradient(1.5px 1.5px at 30% 85%, #ffffff 100%, transparent 0),
    radial-gradient(1px 1px at 90% 60%, #ffffff 100%, transparent 0),
    radial-gradient(1px 1px at 45% 35%, #ffffff 100%, transparent 0),
    radial-gradient(1px 1px at 25% 55%, #ffffff 100%, transparent 0),
    radial-gradient(1px 1px at 70% 90%, #ffffff 100%, transparent 0);
  background-size: 100% 100%;
}

.container{ max-width: 1180px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

a{ color: inherit; }
img{ max-width: 100%; display: block; }

h1, h2, h3, h4{ font-family: var(--font-serif); font-weight: 600; margin: 0 0 .5em; color: var(--text); }
h1{ font-size: clamp(34px, 5vw, 56px); line-height: 1.08; letter-spacing: .2px; }
h2{ font-size: clamp(26px, 3.4vw, 36px); line-height: 1.15; }
h3{ font-size: 21px; }
p{ margin: 0 0 1em; }

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin-bottom: 14px;
}
.eyebrow::before{ content: "◆"; font-size: 10px; color: var(--gold); }

.lede{ font-size: 18px; color: var(--text-muted); max-width: 62ch; }

/* buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn-gold{
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: #1a1204;
  box-shadow: 0 10px 30px rgba(224, 165, 48, 0.22);
}
.btn-gold:hover{ transform: translateY(-2px); box-shadow: 0 14px 36px rgba(224, 165, 48, 0.32); }
.btn-ghost{
  background: rgba(255,255,255,0.03);
  border-color: var(--line-strong);
  color: var(--text-soft);
}
.btn-ghost:hover{ border-color: var(--cyan); color: var(--cyan-soft); transform: translateY(-2px); }
.btn-sm{ padding: 9px 18px; font-size: 13.5px; }
.btn-block{ width: 100%; }

.pill{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .6px;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
}
.pill-pro{ background: var(--gold-dim); border-color: rgba(224,165,48,.4); color: var(--gold-soft); }
.pill-std{ background: var(--cyan-dim); border-color: rgba(55,198,214,.4); color: var(--cyan-soft); }
.pill-both{ background: rgba(255,255,255,0.04); color: var(--text-muted); }
.pill-free{ background: rgba(76,175,125,.14); border-color: rgba(76,175,125,.4); color: #7fd6ac; }

/* header / nav */
header.site-header{
  position: sticky;
  top: 0;
  z-index: 200;
  backdrop-filter: blur(14px);
  background: rgba(7, 12, 26, 0.86);
  border-bottom: 1px solid var(--line);
}
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 24px;
}
.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}
.brand-mark{
  width: 34px; height: 34px;
  flex: none;
  display: inline-block;
  background:
    radial-gradient(circle at 50% 50%, var(--gold-soft) 0%, var(--gold) 55%, #7a5715 100%);
  clip-path: polygon(50% 0%, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0% 50%, 39% 39%);
}
.brand span{ font-family: var(--font-serif); font-weight: 600; font-size: 19px; letter-spacing: .3px; }
.brand small{ display: block; font-family: var(--font-sans); font-weight: 400; font-size: 11px; letter-spacing: .8px; text-transform: uppercase; color: var(--text-faint); margin-top: 2px; }

.nav-links{
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0; padding: 0;
}
.nav-links a{
  display: block;
  padding: 9px 16px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14.5px;
  font-weight: 500;
  transition: color .15s ease, background .15s ease;
}
.nav-links a:hover{ color: var(--text); background: rgba(255,255,255,0.04); }
.nav-links a.active{ color: var(--gold-soft); background: var(--gold-dim); }

.nav-right{ display: flex; align-items: center; gap: 10px; }
.lang-switch{
  display: flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .4px;
}
.lang-switch a{
  padding: 7px 12px;
  text-decoration: none;
  color: var(--text-faint);
  transition: color .15s ease, background .15s ease;
}
.lang-switch a.active{ background: var(--gold-dim); color: var(--gold-soft); }
.lang-switch a:not(.active):hover{ color: var(--text-soft); }
.menu-toggle{
  display: none;
  background: none; border: 1px solid var(--line-strong);
  color: var(--text); width: 40px; height: 40px; border-radius: 10px;
  font-size: 18px; cursor: pointer;
}

/* hero */
.hero{
  padding: 84px 0 60px;
  position: relative;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.hero-badges{ display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.hero-cta{ display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-note{ margin-top: 18px; font-size: 13.5px; color: var(--text-faint); }

.mockup{
  position: relative;
  border-radius: var(--radius-l);
  padding: 10px;
  background: linear-gradient(160deg, rgba(224,165,48,.35), rgba(55,198,214,.18) 45%, rgba(255,255,255,.05));
  box-shadow: var(--shadow-2);
}
.mockup-inner{
  border-radius: calc(var(--radius-l) - 6px);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--bg-panel);
  position: relative;
}
.mockup-inner img{ width: 100%; height: auto; display: block; }
.mockup-titlebar{
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px;
  background: #0a1024;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
}
.mockup-titlebar .dot{ width: 10px; height: 10px; border-radius: 50%; background: #3a4468; }

/* stats strip */
.stats{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  margin: 54px 0;
}
.stat{ background: var(--bg-panel); padding: 24px 20px; text-align: center; }
.stat b{ display: block; font-family: var(--font-serif); font-size: 26px; color: var(--gold-soft); }
.stat span{ font-size: 12.5px; color: var(--text-faint); }

/* sections */
section{ padding: 78px 0; position: relative; }
.section-head{ max-width: 720px; margin: 0 auto 46px; text-align: center; }
.section-head.left{ margin: 0 0 40px; text-align: left; }

/* feature cards */
.card-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card-grid.cols-4{ grid-template-columns: repeat(4, 1fr); }
.feature-card{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 26px 24px;
  transition: border-color .2s ease, transform .2s ease;
}
.feature-card:hover{ border-color: var(--line-strong); transform: translateY(-3px); }
.feature-card .icon{
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 11px;
  background: var(--cyan-dim);
  color: var(--cyan-soft);
  font-size: 20px;
  margin-bottom: 16px;
}
.feature-card h3{ display: flex; align-items: center; gap: 9px; flex-wrap: wrap; font-size: 17.5px; }
.feature-card p{ color: var(--text-muted); font-size: 14.5px; margin-bottom: 0; }
.feature-card .use{
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--text-faint);
}
.feature-card .use b{ color: var(--cyan-soft); font-weight: 600; }

/* screenshot showcase */
.showcase{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}
.showcase-card{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}
.showcase-card figure{ margin: 0; }
.showcase-card img{ width: 100%; height: auto; display: block; border-bottom: 1px solid var(--line); cursor: zoom-in; }
.showcase-card figcaption{ padding: 14px 16px; }
.showcase-card figcaption b{ display: block; font-size: 14.5px; margin-bottom: 3px; }
.showcase-card figcaption span{ font-size: 12.5px; color: var(--text-faint); }
.showcase-placeholder{
  aspect-ratio: 16/10;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-panel-2);
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 12px;
  border-bottom: 1px solid var(--line);
  text-align: center;
  padding: 20px;
}

/* comparison table */
.table-wrap{ overflow-x: auto; border-radius: var(--radius-m); border: 1px solid var(--line); }
table{ width: 100%; border-collapse: collapse; font-size: 14.5px; background: var(--bg-panel); }
table caption{ text-align: left; padding: 16px 20px 0; color: var(--text-faint); font-size: 13px; }
th, td{ padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--line); }
thead th{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--text-faint);
  background: var(--bg-panel-2);
  white-space: nowrap;
}
tbody tr:last-child td{ border-bottom: none; }
tbody tr:hover{ background: rgba(255,255,255,0.02); }
td.check{ color: var(--green); font-size: 17px; text-align: center; }
td.cross{ color: var(--text-faint); font-size: 15px; text-align: center; }
td.center{ text-align: center; }
.mono{ font-family: var(--font-mono); font-size: 13.5px; }

/* comparison panels (Standard vs Pro) */
.compare-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.compare-card{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 30px 28px;
}
.compare-card.pro{
  border-color: rgba(224,165,48,.4);
  background: linear-gradient(160deg, rgba(224,165,48,.07), var(--bg-panel) 60%);
}
.compare-card h3{ font-size: 22px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.compare-card ul{ list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 11px; }
.compare-card li{ display: flex; gap: 10px; font-size: 14.5px; color: var(--text-soft); }
.compare-card li::before{ content: "✓"; color: var(--cyan-soft); font-weight: 700; flex: none; }
.compare-card.pro li::before{ color: var(--gold-soft); }

/* FAQ accordion */
.faq-list{ display: grid; gap: 12px; max-width: 820px; margin: 0 auto; }
.faq-item{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}
.faq-item summary{
  list-style: none;
  cursor: pointer;
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 600;
  font-size: 16px;
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary::after{
  content: "+";
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--gold-soft);
  transition: transform .2s ease;
  flex: none;
}
.faq-item[open] summary::after{ transform: rotate(45deg); }
.faq-item .faq-body{ padding: 0 22px 20px; color: var(--text-muted); font-size: 14.5px; }
.faq-item .faq-body p:last-child{ margin-bottom: 0; }
.faq-search{
  max-width: 520px;
  margin: 0 auto 36px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
}
.faq-search input{
  flex: 1;
  background: none; border: none; outline: none;
  color: var(--text); font-size: 14.5px; font-family: var(--font-sans);
}
.faq-search input::placeholder{ color: var(--text-faint); }
.faq-empty{ text-align: center; color: var(--text-faint); font-size: 14px; padding: 20px 0; display: none; }

/* download cards */
.dl-platform{ margin-bottom: 44px; }
.dl-platform-head{ display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.dl-platform-head .icon{ font-size: 22px; }
.dl-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.dl-card{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 24px;
}
.dl-card.pro{ border-color: rgba(224,165,48,.35); }
.dl-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}
.dl-row:first-of-type{ border-top: none; padding-top: 0; }
.dl-row .name{ font-size: 14.5px; }
.dl-row .name small{ display: block; color: var(--text-faint); font-size: 12px; font-family: var(--font-mono); margin-top: 2px; }
.dl-row .size{ font-family: var(--font-mono); font-size: 12.5px; color: var(--text-faint); white-space: nowrap; }

.callout{
  display: flex;
  gap: 16px;
  padding: 20px 22px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-strong);
  background: var(--bg-panel);
  margin: 28px 0;
}
.callout .icon{ font-size: 20px; flex: none; line-height: 1.4; }
.callout.warn{ border-color: rgba(224,165,48,.4); background: var(--gold-dim); }
.callout.info{ border-color: rgba(55,198,214,.35); background: var(--cyan-dim); }
.callout.free{ border-color: rgba(76,175,125,.4); background: rgba(76,175,125,.08); }
.callout p{ margin: 0; font-size: 14.5px; color: var(--text-soft); }
.callout p + p{ margin-top: 8px; }

/* contact */
.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: start;
}
.contact-card{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 34px;
}
.email-link{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-radius: var(--radius-m);
  background: var(--bg-panel-2);
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold-soft);
  text-decoration: none;
  margin: 10px 0 20px;
  transition: border-color .2s ease, transform .2s ease;
}
.email-link:hover{ border-color: var(--gold); transform: translateY(-2px); }
.author-quote{
  border-left: 3px solid var(--gold);
  padding-left: 20px;
  font-size: 15px;
  color: var(--text-soft);
  font-style: italic;
}
.author-quote p{ margin-bottom: 1em; }

/* footer */
footer.site-footer{
  border-top: 1px solid var(--line);
  padding: 50px 0 30px;
  margin-top: 40px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 34px;
}
.footer-brand{ display: flex; align-items: center; gap: 10px; color: var(--text-muted); margin-bottom: 12px; }
.footer-col h5{ font-family: var(--font-mono); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-faint); margin: 0 0 14px; }
.footer-col ul{ list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer-col a{ text-decoration: none; color: var(--text-muted); font-size: 14px; }
.footer-col a:hover{ color: var(--gold-soft); }
.footer-bottom{
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  padding-top: 24px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--text-faint);
}

/* lightbox */
body.lightbox-locked{ overflow: hidden; }
.lightbox{
  position: fixed; inset: 0; z-index: 300;
  display: none; align-items: center; justify-content: center;
  padding: 64px 24px 40px;
  background: rgba(4, 6, 14, 0.92);
  backdrop-filter: blur(6px);
}
.lightbox.open{ display: flex; }
.lightbox-figure{ display: flex; flex-direction: column; align-items: center; gap: 14px; max-width: 100%; max-height: 100%; }
.lightbox-img{ display: block; max-width: min(92vw, 1400px); max-height: 78vh; width: auto; height: auto; border-radius: var(--radius-m); border: 1px solid var(--line-strong); box-shadow: var(--shadow-2); background: var(--bg-panel); }
.lightbox-caption{ font-size: 13px; color: var(--text-muted); max-width: 70ch; text-align: center; }
.lightbox-close{
  position: fixed; top: 18px; right: 20px; z-index: 301;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg-panel); border: 1px solid var(--line-strong); color: var(--text);
  font-size: 20px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .2s ease, color .2s ease, transform .15s ease;
}
.lightbox-close:hover{ border-color: var(--cyan); color: var(--cyan-soft); transform: scale(1.06); }

/* back-to-top */
.back-to-top{
  position: fixed;
  right: 22px;
  right: max(22px, env(safe-area-inset-right));
  bottom: 22px;
  bottom: max(22px, env(safe-area-inset-bottom));
  z-index: 150;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  color: var(--cyan-soft);
  font-size: 18px; line-height: 1;
  cursor: pointer;
  align-items: center; justify-content: center;
  box-shadow: var(--shadow-2);
  display: none;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}
.back-to-top.show{ display: flex; }
.back-to-top:hover{ border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }

/* responsive */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .card-grid, .card-grid.cols-4{ grid-template-columns: repeat(2, 1fr); }
  .stats{ grid-template-columns: repeat(2, 1fr); }
  .compare-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .dl-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 720px){
  .nav-links{ display: none; }
  .menu-toggle{ display: flex; align-items: center; justify-content: center; }
  .nav-right .btn{ display: none; }
  .brand small{ display: none; }
  .card-grid, .card-grid.cols-4{ grid-template-columns: 1fr; }
  .stats{ grid-template-columns: 1fr 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .back-to-top{ right: 16px; bottom: 16px; width: 42px; height: 42px; }
  section{ padding: 56px 0; }
}

/* mobile nav panel (shown via JS toggling this class on nav-links) */
@media (max-width: 720px){
  .nav-links.open{
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--line);
    padding: 10px 14px 16px;
    gap: 2px;
  }
  .nav-links.open a{ padding: 12px 14px; }
}


/* presentation video */
.video-frame{
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #050b14;
  box-shadow: 0 18px 50px rgba(0,0,0,.28);
}
.video-frame video{
  display: block;
  width: 100%;
  height: auto;
}