/* ============================================================
   PROMOGO — Design system futuriste (v3 — responsive + tight)
   ============================================================ */
:root{
  --bg:#05060f;
  --bg-2:#0a0d1f;
  --surface:#0f1330;
  --surface-2:#141a3d;
  --border:rgba(120,160,255,.14);
  --text:#e8ecff;
  --muted:#8892b8;
  --primary:#00d4ff;
  --primary-2:#7b5cff;
  --accent:#ff6b9d;
  --gold:#ffb347;
  --grad-1:linear-gradient(135deg,#00d4ff 0%,#7b5cff 50%,#ff6b9d 100%);
  --grad-2:linear-gradient(135deg,#0a0d1f 0%,#141a3d 100%);
  --shadow-glow:0 0 40px rgba(0,212,255,.25), 0 0 80px rgba(123,92,255,.15);
  --radius:16px;
  --container:1200px;
  --header-h:70px;
  --section-pad:4rem;          /* compact */
  --section-pad-sm:2.5rem;
  --font-display:'Space Grotesk', system-ui, sans-serif;
  --font-mono:'JetBrains Mono', monospace;
}
html.zh body, body[lang="zh"]{font-family:'Noto Sans SC',var(--font-display);}
body[dir="rtl"]{font-family:'Noto Sans Arabic',var(--font-display);}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-display);
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
  overflow-x:hidden;
  min-height:100vh;
  position:relative;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--primary)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none}
.container{max-width:var(--container);margin-inline:auto;padding-inline:1.25rem;width:100%}
.muted{color:var(--muted)} .small{font-size:.85rem}

/* Background canvases */
#bg-neural,#bg-coderain{position:fixed;inset:0;z-index:-1;pointer-events:none;width:100vw;height:100vh}
#bg-coderain{opacity:.14;mix-blend-mode:screen}
body::before{content:"";position:fixed;inset:0;z-index:-2;background:
  radial-gradient(1200px 600px at 10% 10%, rgba(0,212,255,.10), transparent 60%),
  radial-gradient(1000px 600px at 90% 80%, rgba(123,92,255,.10), transparent 60%),
  var(--bg);
}
.cursor-glow{position:fixed;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,255,.18),transparent 60%);pointer-events:none;z-index:1;transform:translate(-50%,-50%);transition:opacity .3s;mix-blend-mode:screen}
@media (max-width:900px){.cursor-glow{display:none}}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(5,6,15,.65);border-bottom:1px solid var(--border);transition:transform .3s,background .3s}
.site-header.scrolled{background:rgba(5,6,15,.9)}
.site-header.hide{transform:translateY(-100%)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;letter-spacing:.04em;font-size:1.05rem}
.brand img{filter:drop-shadow(0 0 12px rgba(0,212,255,.5));width:38px;height:38px}
.primary-nav{display:flex;gap:1.4rem;align-items:center}
.primary-nav a{font-size:.92rem;color:var(--muted);position:relative;padding:.3rem 0}
.primary-nav a:hover{color:var(--text)}
.primary-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:1px;background:var(--grad-1);transform:scaleX(0);transform-origin:right;transition:transform .35s}
.primary-nav a:hover::after{transform:scaleX(1);transform-origin:left}
.cta-link{padding:.45rem .95rem!important;border:1px solid var(--border);border-radius:999px;color:var(--text)!important}
.cta-link:hover{border-color:var(--primary);box-shadow:0 0 20px rgba(0,212,255,.3)}
.lang-switch{position:relative}
.lang-switch button{display:inline-flex;align-items:center;gap:.3rem;padding:.4rem .75rem;border:1px solid var(--border);border-radius:999px;font-family:var(--font-mono);font-size:.78rem}
.lang-switch ul{position:absolute;top:100%;right:0;margin-top:.4rem;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:.4rem;min-width:140px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.2s;box-shadow:0 20px 40px rgba(0,0,0,.5);z-index:60}
.lang-switch.open ul{opacity:1;visibility:visible;transform:translateY(0)}
.lang-switch ul a{display:block;padding:.5rem .8rem;border-radius:8px;font-size:.9rem}
.lang-switch ul a:hover{background:var(--surface-2);color:var(--primary)}
.burger{display:none;flex-direction:column;gap:5px;padding:.5rem}
.burger span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

@media (max-width:1024px){
  .primary-nav{gap:1rem}
  .primary-nav a{font-size:.88rem}
}
@media (max-width:900px){
  :root{--section-pad:3rem;--section-pad-sm:2rem}
  .primary-nav{position:fixed;top:var(--header-h);left:0;right:0;flex-direction:column;background:rgba(5,6,15,.97);padding:1.5rem;gap:1rem;backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transform:translateY(-110%);transition:transform .35s;max-height:calc(100vh - var(--header-h));overflow-y:auto}
  .primary-nav.open{transform:translateY(0)}
  .burger{display:flex}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.5rem;border-radius:999px;font-weight:600;font-size:.92rem;letter-spacing:.02em;transition:transform .2s, box-shadow .3s, background .3s;cursor:pointer;white-space:nowrap}
.btn-primary{background:var(--grad-1);color:#06121f;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 50px rgba(0,212,255,.55)}
.btn-ghost{border:1px solid var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(0,212,255,.05)}

/* Hero — compact */
.hero{min-height:auto;display:flex;align-items:center;padding:calc(var(--header-h) + 3rem) 0 3rem;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center}
.hero h1{font-size:clamp(2.1rem,4.8vw,4.2rem);line-height:1.05;font-weight:700;letter-spacing:-.02em;margin-bottom:1.2rem}
.hero h1 .grad{background:var(--grad-1);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(.98rem,1.3vw,1.15rem);color:var(--muted);max-width:600px;margin-bottom:1.6rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-visual{position:relative;aspect-ratio:1;max-width:520px;margin-inline:auto;width:100%}
.hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:30%;filter:drop-shadow(0 30px 80px rgba(123,92,255,.5));animation:floatY 7s ease-in-out infinite}
.hero-visual::before{content:"";position:absolute;inset:-30px;background:conic-gradient(from 0deg,var(--primary),var(--primary-2),var(--accent),var(--primary));border-radius:50%;opacity:.22;filter:blur(50px);animation:spin 18s linear infinite;z-index:-1}

@media (max-width:900px){
  .hero{padding:calc(var(--header-h) + 1.5rem) 0 2rem;text-align:center}
  .hero-grid{grid-template-columns:1fr;gap:2rem}
  .hero p.lead{margin-inline:auto}
  .hero-cta{justify-content:center}
  .hero-visual{max-width:340px;order:-1}
}
@media (max-width:480px){
  .hero-visual{max-width:260px}
  .hero h1{font-size:2rem}
}

/* Scroll indicator */
.scroll-indicator{position:absolute;left:50%;bottom:1rem;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.5rem;color:var(--muted);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase}
.scroll-indicator::after{content:"";width:1px;height:34px;background:linear-gradient(var(--primary),transparent);animation:scrollDot 2s infinite}
@media (max-width:900px){.scroll-indicator{display:none}}

/* Sections — compact spacing */
section{padding:var(--section-pad) 0;position:relative}
section + section{padding-top:0}                /* supprime le double-padding entre sections successives */
.section-head{text-align:center;max-width:760px;margin:0 auto 2.2rem}
.section-head .eyebrow{display:inline-block;font-family:var(--font-mono);color:var(--primary);font-size:.74rem;letter-spacing:.25em;text-transform:uppercase;margin-bottom:.6rem}
.section-head h2{font-size:clamp(1.8rem,3.2vw,2.8rem);font-weight:700;letter-spacing:-.02em;margin-bottom:.7rem;line-height:1.15}
.section-head h2 .grad{background:var(--grad-1);-webkit-background-clip:text;background-clip:text;color:transparent}
.section-head p{color:var(--muted);font-size:1rem}

@media (max-width:600px){
  .section-head{margin-bottom:1.6rem}
  .section-head p{font-size:.92rem}
}

/* Cards — alignement homogène (style promogoga.vercel.app) */
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:1.4rem;
  align-items:stretch;
}
@media (min-width:900px){
  .cards{grid-template-columns:repeat(3,1fr)}     /* 3 colonnes alignées comme la source */
}
@media (max-width:899px) and (min-width:600px){
  .cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:599px){
  .cards{grid-template-columns:1fr;gap:1rem}
}
.card{position:relative;display:flex;flex-direction:column;background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .35s,border-color .3s,box-shadow .35s;height:100%}
.card::before{content:"";position:absolute;inset:0;background:var(--grad-1);opacity:0;transition:opacity .3s;pointer-events:none;z-index:0;mix-blend-mode:overlay}
.card:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.4);box-shadow:0 30px 60px rgba(0,0,0,.5),0 0 30px rgba(0,212,255,.15)}
.card:hover::before{opacity:.06}
.card-img{aspect-ratio:16/10;overflow:hidden;background:#0a0d1f;position:relative;flex-shrink:0}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .card-img img{transform:scale(1.06)}
.card-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(5,6,15,.85))}
.card-body{position:relative;padding:1.25rem 1.25rem 1.4rem;z-index:1;display:flex;flex-direction:column;flex:1}
.card-eyebrow{display:flex;gap:.4rem;flex-wrap:wrap;font-family:var(--font-mono);font-size:.68rem;color:var(--primary);text-transform:uppercase;letter-spacing:.15em;margin-bottom:.7rem}
.card-eyebrow span{padding:.18rem .55rem;border:1px solid var(--border);border-radius:999px}
.card h3{font-size:1.25rem;margin-bottom:.5rem;font-weight:600;line-height:1.25}
.card p{color:var(--muted);font-size:.92rem;margin-bottom:.9rem}
.card .features{margin-bottom:1rem}
.card .features li{padding-left:1.3rem;position:relative;font-size:.85rem;color:var(--muted);margin-bottom:.35rem}
.card .features li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border:1px solid var(--primary);transform:rotate(45deg);box-shadow:0 0 8px var(--primary)}
.card .more{font-family:var(--font-mono);font-size:.82rem;color:var(--primary);display:inline-flex;align-items:center;gap:.4rem;margin-top:auto}
.card .more::after{content:"→";transition:transform .2s}
.card:hover .more::after{transform:translateX(4px)}

/* Team */
.team-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:1.4rem;
}
@media (min-width:900px){.team-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:599px){.team-grid{grid-template-columns:repeat(2,1fr);gap:1rem}}
.member{text-align:center}
.member-photo{aspect-ratio:1;border-radius:50%;overflow:hidden;margin:0 auto .9rem;width:min(160px,80%);border:2px solid transparent;background:linear-gradient(var(--surface),var(--surface)) padding-box,var(--grad-1) border-box;position:relative;transition:transform .35s}
.member-photo img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.member:hover .member-photo{transform:scale(1.06) rotate(-2deg)}
.member h4{margin-bottom:.2rem;font-size:1rem}
.member .role{color:var(--primary);font-family:var(--font-mono);font-size:.78rem;letter-spacing:.05em}
.member .short{color:var(--muted);font-size:.78rem;margin-top:.2rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;gap:2rem}}
.contact-info ul{margin-top:1.2rem;display:grid;gap:.7rem}
.contact-info li{display:flex;align-items:center;gap:.7rem;color:var(--muted);font-size:.95rem}
.contact-info li::before{content:"◆";color:var(--primary);font-size:.6rem}
.contact-info .big-email{display:inline-block;font-size:1.25rem;font-weight:600;background:var(--grad-1);-webkit-background-clip:text;background-clip:text;color:transparent;margin-top:.5rem;word-break:break-all}
.contact-form{background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--border);border-radius:var(--radius);padding:1.6rem}
.contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:600px){.contact-form .row{grid-template-columns:1fr}}
.contact-form label{display:block;font-size:.74rem;color:var(--muted);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.35rem}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:.8rem .95rem;background:rgba(5,6,15,.6);border:1px solid var(--border);border-radius:10px;color:var(--text);font-family:inherit;font-size:.93rem;transition:border-color .2s,box-shadow .2s}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,212,255,.15)}
.contact-form .field{margin-bottom:.95rem}
.contact-form textarea{min-height:110px;resize:vertical}
.contact-form .submit-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.8rem}
.contact-form .legal{font-size:.7rem;color:var(--muted);max-width:60%}
.flash{padding:.9rem;border-radius:10px;margin-bottom:1rem;font-size:.9rem}
.flash.success{background:rgba(0,212,170,.1);border:1px solid rgba(0,212,170,.4);color:#7fffd4}
.flash.error{background:rgba(255,80,120,.1);border:1px solid rgba(255,80,120,.4);color:#ff8aa3}

/* Footer */
.site-footer{padding:3rem 0 1.5rem;border-top:1px solid var(--border);background:rgba(5,6,15,.7);backdrop-filter:blur(10px);margin-top:3rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
@media (max-width:780px){.footer-grid{grid-template-columns:1fr 1fr;gap:1.5rem}}
@media (max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{font-size:.8rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.2em;color:var(--primary);margin-bottom:.8rem}
.footer-grid li{margin-bottom:.4rem}
.footer-grid li a{color:var(--muted);font-size:.9rem}
.footer-grid li a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--border);padding-top:1.2rem;text-align:center;color:var(--muted);font-size:.82rem;font-family:var(--font-mono)}

/* Detail pages */
.detail-hero{padding:calc(var(--header-h) + 2.5rem) 0 2.5rem;position:relative}
.detail-hero h1{font-size:clamp(1.8rem,3.6vw,3rem);font-weight:700;margin:.8rem 0;background:var(--grad-1);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.15}
.detail-meta{display:flex;gap:.5rem;flex-wrap:wrap}
.detail-meta span{padding:.25rem .7rem;border:1px solid var(--border);border-radius:999px;font-family:var(--font-mono);font-size:.72rem;color:var(--primary)}
.detail-cover{aspect-ratio:21/9;border-radius:var(--radius);overflow:hidden;margin:1.5rem 0;border:1px solid var(--border)}
.detail-cover img{width:100%;height:100%;object-fit:cover}
.detail-content{max-width:780px;margin:0 auto;font-size:1rem;color:#cdd4ff}
.detail-content p,.detail-content ul{margin-bottom:1rem}
.detail-content ul li{padding-left:1.4rem;position:relative}
.detail-content ul li::before{content:"▸";position:absolute;left:0;color:var(--primary)}
.back{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--font-mono);font-size:.78rem;color:var(--muted)}
.back:hover{color:var(--primary)}

/* Animations */
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.4);opacity:.5}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes scrollDot{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@keyframes reveal{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.reveal{opacity:0}
.reveal.in{animation:reveal .7s ease-out forwards}

/* RTL */
body.rtl .scroll-indicator{letter-spacing:0}
body.rtl .card .more::after{content:"←";transform:scaleX(-1)}
body.rtl .lang-switch ul{right:auto;left:0}

/* Admin */
.admin-shell{min-height:100vh;display:grid;grid-template-columns:240px 1fr;background:var(--bg-2)}
@media (max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:relative;height:auto}}
.admin-sidebar{background:#06091a;border-right:1px solid var(--border);padding:1.5rem 1rem;position:sticky;top:0;height:100vh}
.admin-sidebar .brand{margin-bottom:2rem}
.admin-sidebar nav a{display:block;padding:.7rem .9rem;border-radius:8px;color:var(--muted);font-size:.92rem;margin-bottom:.2rem}
.admin-sidebar nav a.active,.admin-sidebar nav a:hover{background:var(--surface);color:var(--primary)}
.admin-main{padding:1.6rem;max-width:1200px;width:100%;overflow-x:auto}
.admin-main h1{margin-bottom:1.2rem;font-size:1.6rem}
.admin-main table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius);overflow:hidden;font-size:.9rem}
.admin-main th,.admin-main td{padding:.8rem;text-align:left;border-bottom:1px solid var(--border)}
.admin-main th{background:var(--surface-2);font-family:var(--font-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--primary)}
.admin-main input,.admin-main select,.admin-main textarea{width:100%;padding:.7rem;background:rgba(5,6,15,.6);border:1px solid var(--border);border-radius:8px;color:var(--text);font:inherit;margin-bottom:.8rem}
.admin-main .btn{margin-right:.5rem}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .hero-visual img,.hero-visual::before{animation:none}
}