*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#0a0a0f;
  --bg-alt:#0e0e16;
  --surface:#13131d;
  --card:#111119;
  --card-hover:#171722;
  --cyan:#00d4ff;
  --cyan-dim:rgba(0,212,255,.12);
  --cyan-glow:rgba(0,212,255,.25);
  --neon-pink:#ff2d75;
  --neon-pink-glow:rgba(255,45,117,.3);
  --purple:#7c3aed;
  --purple-glow:rgba(124,58,237,.3);
  --text:#f0f0f5;
  --text-secondary:#a0a0b8;
  --text-dim:#7e7e9a;
  --border:#1a1a28;
  --border-light:#252538;
  --radius:14px;
  --radius-sm:8px;
  --ease:cubic-bezier(.4,0,.2,1);
  --ease-out-expo:cubic-bezier(.16,1,.3,1);
}

html{scroll-behavior:smooth}

body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--text);
  line-height:1.65;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--border) 1px,transparent 1px),
    linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:60px 60px;opacity:.12;
}

/* Particle canvas */
#particles{position:fixed;inset:0;z-index:0;pointer-events:none}

a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Bebas Neue','Impact',sans-serif;font-weight:400;letter-spacing:.04em}

/* ===== NAV ===== */
nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding:max(1.1rem,env(safe-area-inset-top)) 2rem 1.1rem;
  background:rgba(10,10,15,.6);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid transparent;
  display:flex;align-items:center;justify-content:space-between;
  transition:.35s var(--ease);
}
nav.scrolled{padding:.7rem 2rem;border-color:var(--border);background:rgba(10,10,15,.92)}

.logo{
  font-family:'Bebas Neue',sans-serif;font-size:1.6rem;letter-spacing:.06em;
  display:flex;align-items:center;gap:.45rem;min-height:44px;
}
.logo span{color:var(--cyan)}

.nav-right{display:flex;align-items:center;gap:1rem;flex:1;justify-content:flex-end;min-width:0}
.nav-controls{
  display:flex;align-items:center;gap:.75rem;flex-shrink:0;
  position:relative;z-index:50;pointer-events:auto;
}
.nav-links{
  display:flex;gap:1.2rem;list-style:none;
  flex:1 1 0;min-width:0;max-width:min(100%,calc(100vw - 16rem));
  justify-content:center;
  flex-wrap:nowrap;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{
  font-size:.85rem;font-weight:500;color:var(--text-secondary);
  letter-spacing:.03em;text-transform:uppercase;
  transition:color .3s var(--ease),background .3s var(--ease);position:relative;
  min-height:44px;display:inline-flex;align-items:center;
  padding:.35rem .65rem;border-radius:var(--radius-sm);
}
.nav-links a::after{
  content:'';position:absolute;bottom:2px;left:.65rem;right:.65rem;width:auto;height:1.5px;
  background:var(--cyan);transform:scaleX(0);transition:transform .3s var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--cyan);background:rgba(0,212,255,.08)}
.nav-links a.active::after{transform:scaleX(1)}

/* Nav CTA button */
.nav-cta{
  display:inline-flex;align-items:center;
  padding:.45rem 1.1rem;border-radius:100px;
  font-size:.78rem;font-weight:600;font-family:'Inter',sans-serif;
  letter-spacing:.03em;
  background:var(--cyan);color:var(--bg);
  text-decoration:none;white-space:nowrap;
  transition:background .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
  min-height:44px;
  box-shadow:0 0 16px var(--cyan-dim);
}
.nav-cta:hover{
  background:#00b8d9;
  box-shadow:0 0 24px var(--cyan-glow);
  transform:translateY(-1px);
}

/* Lang toggle */
.lang-toggle{
  display:flex;border:1px solid var(--border-light);border-radius:100px;
  overflow:hidden;flex-shrink:0;position:relative;z-index:1;margin-left:0;
}
.lang-btn{
  padding:.45rem .75rem;font-size:.75rem;font-weight:600;
  font-family:'Inter',sans-serif;letter-spacing:.04em;
  background:transparent;color:var(--text-dim);border:none;
  cursor:pointer;transition:.25s var(--ease);
  min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;
}
.lang-btn.active{
  background:var(--cyan);
  color:var(--bg);
  box-shadow:0 0 0 2px rgba(0,212,255,.4);
}
.lang-btn:not(.active):hover{color:var(--text)}

.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px;background:none;border:none;min-width:44px;min-height:44px;align-items:center;justify-content:center}
.burger span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.3s var(--ease)}

/* ===== HERO ===== */
.hero{
  min-height:100vh;display:flex;flex-direction:column;
  justify-content:center;padding:8rem 2rem 5rem;
  position:relative;overflow:hidden;
}
.hero-inner{max-width:900px;margin:0 auto;width:100%;position:relative;z-index:1}

.hero-glow{
  position:absolute;width:700px;height:700px;border-radius:50%;
  background:radial-gradient(circle,var(--cyan-glow),transparent 65%);
  top:30%;right:-15%;filter:blur(100px);pointer-events:none;
  animation:drift 8s ease-in-out infinite;
}
.hero-glow-2{
  position:absolute;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,var(--neon-pink-glow),transparent 65%);
  bottom:10%;left:-10%;filter:blur(80px);pointer-events:none;opacity:.4;
  animation:drift 10s ease-in-out infinite reverse;
}
@keyframes drift{0%,100%{transform:translate(0,0)}50%{transform:translate(20px,-30px)}}

.hero-tag{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.4rem 1rem;border-radius:100px;font-size:.8rem;font-weight:500;
  border:1px solid var(--border-light);background:var(--surface);
  color:var(--cyan);margin-bottom:2rem;
  animation:fadeUp .8s var(--ease) both;
}
.hero-tag::before{
  content:'';width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 8px var(--cyan);animation:blink 2s infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}

.hero h1{
  font-size:clamp(3.2rem,8vw,6.5rem);line-height:.95;
  letter-spacing:.02em;margin-bottom:1.5rem;
  animation:fadeUp .8s .15s var(--ease) both;
}
.hero h1 .accent{
  background:linear-gradient(90deg,var(--cyan),var(--purple),var(--neon-pink),var(--cyan));
  background-size:300% 100%;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  animation:shimmer 6s linear infinite;
}
@keyframes shimmer{0%{background-position:0% 50%}100%{background-position:300% 50%}}

.hero-slogan{
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(1.3rem,2.5vw,1.7rem);
  letter-spacing:.08em;color:var(--text-secondary);
  margin-bottom:1.8rem;
  animation:fadeUp .8s .25s var(--ease) both;
}
.hero-slogan .accent{
  background:linear-gradient(90deg,var(--cyan),var(--purple),var(--neon-pink),var(--cyan));
  background-size:300% 100%;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  animation:shimmer 6s linear infinite;
}

.hero-sub{
  font-family:'Inter',sans-serif;
  font-size:clamp(1.05rem,2.2vw,1.3rem);
  color:var(--text-secondary);max-width:580px;
  line-height:1.7;margin-bottom:2.5rem;font-weight:300;
  animation:fadeUp .8s .35s var(--ease) both;
}

.hero-ctas{
  display:flex;gap:1rem;flex-wrap:wrap;
  animation:fadeUp .8s .5s var(--ease) both;
}

@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.8rem 1.8rem;border-radius:100px;font-size:.88rem;
  font-weight:600;font-family:'Inter',sans-serif;
  cursor:pointer;border:none;transition:.3s var(--ease);
  min-height:44px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),#0099cc);color:var(--bg);
  box-shadow:0 0 24px var(--cyan-dim),0 4px 16px rgba(0,0,0,.4);
  position:relative;overflow:hidden;
}
.btn-primary::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);
  transform:translateX(-100%);transition:none;
}
.btn-primary:hover{box-shadow:0 0 40px var(--cyan-glow),0 8px 24px rgba(0,0,0,.5);transform:translateY(-2px)}
.btn-primary:hover::after{transform:translateX(100%);transition:transform .6s var(--ease)}
.btn-ghost{
  background:transparent;color:var(--text);
  border:1px solid var(--border-light);
}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}

.hero-meta{
  margin-top:4rem;display:flex;gap:3rem;
  animation:fadeUp .8s .65s var(--ease) both;
}
.hero-meta-item{text-align:left}
.hero-meta-item .num{
  font-family:'Bebas Neue',sans-serif;font-size:2.4rem;letter-spacing:.04em;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 8px var(--cyan-glow));
}
.hero-meta-item .label{font-size:.8rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em}

/* ===== TRUST BAR (logos) ===== */
.trust-bar{
  position:relative;z-index:1;padding:3rem 2rem;
  border-bottom:1px solid var(--border);
}
.trust-bar-inner{
  max-width:900px;margin:0 auto;text-align:center;
}
.trust-bar-label{
  font-family:'Inter',sans-serif;font-size:.75rem;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);
  margin-bottom:1.5rem;
}
.trust-logos{
  display:flex;align-items:center;justify-content:center;
  gap:2.5rem;flex-wrap:wrap;
}
.trust-logo{
  font-family:'Inter',sans-serif;font-size:.95rem;font-weight:700;
  letter-spacing:.02em;color:var(--text-dim);
  filter:grayscale(1) brightness(.6);
  transition:.4s var(--ease);cursor:default;
  padding:.5rem .75rem;border-radius:var(--radius-sm);
}
.trust-logo:hover{
  filter:grayscale(0) brightness(1);color:var(--cyan);
}

/* ===== TESTIMONIAL ===== */
.testimonial{
  position:relative;z-index:1;padding:3.5rem 2rem;
  background:var(--bg-alt);border-bottom:1px solid var(--border);
  text-align:center;
}
.testimonial-inner{max-width:640px;margin:0 auto}
.testimonial-quote{
  font-family:'Inter',sans-serif;font-size:1.05rem;font-weight:300;
  color:var(--text-secondary);line-height:1.8;font-style:italic;
  margin-bottom:1.2rem;position:relative;
}
.testimonial-quote::before{
  content:'\201C';font-family:'Bebas Neue',sans-serif;
  font-size:4rem;color:var(--cyan);opacity:.3;
  position:absolute;top:-.8rem;left:-.4rem;line-height:1;
}
.testimonial-author{
  font-family:'Inter',sans-serif;font-size:.82rem;font-weight:600;
  color:var(--text-dim);letter-spacing:.04em;
}

/* ===== SECTIONS ===== */
section{padding:7rem 2rem;position:relative;z-index:1}
.container{max-width:1060px;margin:0 auto}
.section-label{
  font-family:'Inter',sans-serif;font-size:.75rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:.75rem;
  display:flex;align-items:center;gap:.6rem;
}
.section-title{font-size:clamp(2rem,5vw,3.2rem);line-height:1;margin-bottom:.75rem;letter-spacing:.03em}
.section-desc{
  font-family:'Inter',sans-serif;color:var(--text-secondary);
  max-width:520px;font-size:.98rem;line-height:1.7;margin-bottom:3.5rem;font-weight:300;
}

/* ===== ABOUT ===== */
.about{background:var(--bg-alt)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}

.about-photo-wrap{
  display:flex;flex-direction:column;align-items:center;gap:2rem;
}
/* Fallback for browsers without @property (Firefox <128) */
.about-photo{
  width:220px;height:220px;border-radius:50%;overflow:hidden;
  border:3px solid var(--cyan);
  box-shadow:0 0 40px var(--cyan-dim),0 8px 32px rgba(0,0,0,.4);
  position:relative;flex-shrink:0;
}
/* Progressive enhancement: animated conic border */
@supports (background: conic-gradient(red,blue)) {
  @property --photo-angle{syntax:"<angle>";initial-value:0deg;inherits:false}
  .about-photo{
    border-color:transparent;
    background-image:linear-gradient(var(--card),var(--card)),
      conic-gradient(from var(--photo-angle,0deg),var(--cyan),var(--purple),var(--neon-pink),var(--cyan));
    background-origin:border-box;background-clip:padding-box,border-box;
    animation:photoRotate 8s linear infinite;
  }
  @keyframes photoRotate{to{--photo-angle:360deg}}
}
.about-photo::after{
  content:'';position:absolute;inset:0;border-radius:50%;
  background:linear-gradient(135deg,rgba(0,212,255,.08),transparent 60%);
  pointer-events:none;
}
.about-photo img{
  width:100%;height:100%;object-fit:cover;object-position:center 35%;
  filter:grayscale(15%) contrast(1.05);
  transition:.5s var(--ease);
}
.about-photo:hover img{filter:grayscale(0) contrast(1.08);transform:scale(1.04)}
.about-photo:hover{border-color:var(--cyan);box-shadow:0 0 50px var(--cyan-glow),0 8px 32px rgba(0,0,0,.4)}
.about-text p{
  font-family:'Inter',sans-serif;color:var(--text-secondary);
  font-size:.95rem;line-height:1.8;margin-bottom:1.2rem;font-weight:300;
}
.about-text strong{color:var(--text);font-weight:600}
.about-text .hl{color:var(--cyan);font-weight:500}

.about-visual{
  border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;
}
.about-card{
  padding:2rem;border-bottom:1px solid var(--border);
  transition:.3s var(--ease);
}
.about-card:last-child{border-bottom:none}
.about-card:hover{background:var(--surface)}
.about-card-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem}
.about-card-icon{
  width:36px;height:36px;border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;font-size:1rem;
  background:var(--cyan-dim);color:var(--cyan);flex-shrink:0;
}
.about-card h3{font-family:'Inter',sans-serif;font-size:.9rem;font-weight:600;letter-spacing:0}
.about-card p{
  font-family:'Inter',sans-serif;color:var(--text-dim);font-size:.85rem;
  line-height:1.6;padding-left:calc(36px + .75rem);
}

/* ===== EXPERTISE ===== */
.expertise-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;perspective:800px}
.exp-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:2rem;
  transition:border-color .35s var(--ease),background .35s var(--ease),box-shadow .35s var(--ease);
  position:relative;overflow:hidden;
  transform-style:preserve-3d;will-change:transform;
}
.exp-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple),var(--neon-pink));
  opacity:0;transition:opacity .35s var(--ease);
}
/* Fallback hover: solid cyan border */
.exp-card:hover{
  border-color:rgba(0,212,255,.25);background:var(--card-hover);
  box-shadow:0 20px 40px rgba(0,0,0,.3),0 0 30px var(--cyan-dim);
}
.exp-card:hover::before{opacity:1}
/* Progressive enhancement: animated conic border on hover */
@supports (background: conic-gradient(red,blue)) {
  @property --card-angle{syntax:"<angle>";initial-value:0deg;inherits:false}
  .exp-card::after{
    content:'';position:absolute;inset:-1px;border-radius:var(--radius);
    background:conic-gradient(from var(--card-angle,0deg),transparent 40%,var(--cyan) 50%,var(--purple) 55%,transparent 65%);
    z-index:-1;opacity:0;transition:opacity .5s var(--ease);
  }
  .exp-card:hover{border-color:transparent}
  .exp-card:hover::after{opacity:1;animation:cardBorderSpin 3s linear infinite}
  @keyframes cardBorderSpin{to{--card-angle:360deg}}
}

.exp-icon{
  width:44px;height:44px;border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;margin-bottom:1.2rem;
  background:var(--cyan-dim);color:var(--cyan);
  border:1px solid rgba(0,212,255,.15);
}
.exp-card h3{font-family:'Inter',sans-serif;font-size:1.05rem;font-weight:600;margin-bottom:.6rem;letter-spacing:0}
.exp-card p{font-family:'Inter',sans-serif;color:var(--text-secondary);font-size:.88rem;line-height:1.7;font-weight:300}
.exp-tags{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:1rem}
.exp-tag{
  padding:.25rem .65rem;border-radius:100px;font-size:.75rem;font-weight:500;
  background:var(--surface);border:1px solid var(--border);
  color:var(--text-dim);font-family:'Inter',sans-serif;
}

/* ===== PHILOSOPHY ===== */
.philosophy{background:var(--bg-alt)}
.manifesto{
  display:grid;grid-template-columns:1fr;gap:0;
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
}
.manifesto-item{
  padding:2rem 2.5rem;border-bottom:1px solid var(--border);
  display:grid;grid-template-columns:56px 1fr;gap:1.5rem;align-items:start;
  transition:.3s var(--ease);
}
.manifesto-item:last-child{border-bottom:none}
.manifesto-item:hover{background:var(--surface);box-shadow:inset 3px 0 0 var(--cyan)}
.manifesto-num{
  font-family:'Bebas Neue',sans-serif;font-size:2.2rem;line-height:1;padding-top:.15rem;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.manifesto-item h3{font-family:'Inter',sans-serif;font-size:1rem;font-weight:600;margin-bottom:.35rem;letter-spacing:0}
.manifesto-item p{font-family:'Inter',sans-serif;color:var(--text-secondary);font-size:.88rem;line-height:1.7;font-weight:300}

/* ===== CONTACT ===== */
.contact{text-align:center}
.contact .section-title{margin-bottom:.5rem}
.contact-desc{
  font-family:'Inter',sans-serif;color:var(--text-secondary);
  font-size:1rem;line-height:1.7;max-width:480px;margin:0 auto 2.5rem;font-weight:300;
}
.contact-ctas{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:2rem}
.contact-note{
  font-family:'Inter',sans-serif;font-size:.85rem;color:var(--text-dim);
  display:flex;align-items:center;gap:.5rem;justify-content:center;
}

/* ===== FOOTER ===== */
footer{
  padding:2.5rem 2rem;border-top:1px solid var(--border);text-align:center;
  font-family:'Inter',sans-serif;font-size:.82rem;color:var(--text-dim);
}
.footer-links{display:flex;justify-content:center;gap:1.5rem;margin-bottom:1.2rem;flex-wrap:wrap}
.footer-links a{font-size:.82rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em}
.footer-links a:hover{color:var(--cyan)}
footer a{color:var(--cyan);transition:color .3s var(--ease)}
footer a:hover{color:var(--text)}
.footer-legal{
  margin-top:.8rem;font-size:.75rem;color:var(--text-dim);opacity:.6;
  line-height:1.6;
}

/* ===== SCROLL REVEAL ===== */
.reveal{
  opacity:0;transform:translateY(32px) scale(.97);
  filter:blur(4px);
  transition:opacity .8s var(--ease-out-expo),transform .8s var(--ease-out-expo),filter .8s var(--ease-out-expo);
}
.reveal.visible{opacity:1;transform:none;filter:none}
.reveal-d1{transition-delay:.12s}
.reveal-d2{transition-delay:.24s}
.reveal-d3{transition-delay:.36s}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .expertise-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .about-photo{width:160px;height:160px}
}
@media(max-width:768px){
  .nav-links{
    display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:10;
    flex-direction:column;align-items:center;justify-content:center;
    background:rgba(10,10,15,.98);gap:2rem;
  }
  .nav-links.open{display:flex}
  .nav-links a{font-size:1.1rem;min-height:44px;display:inline-flex;align-items:center}
  .nav-links a.active{background:rgba(0,212,255,.1);padding:.5rem 1.2rem;border-radius:var(--radius-sm)}
  .burger{display:flex}
  .nav-cta{display:none}
  .nav-cta-mobile{
    display:inline-flex;align-items:center;justify-content:center;
    padding:.7rem 2rem;border-radius:100px;
    font-size:1rem;font-weight:600;
    background:var(--cyan);color:var(--bg);
    text-decoration:none;margin-top:1rem;
    min-height:48px;min-width:200px;
    box-shadow:0 0 24px var(--cyan-dim);
  }
  .mobile-cta-item{list-style:none}
  /* Overlay stays below .nav-controls so FR/EN + burger stay visible and clickable */
  .nav-controls{z-index:60}
  .nav-right{gap:.75rem;position:relative;justify-content:flex-end}
  body.nav-open{overflow:hidden}
  section{padding:5rem 1.25rem}
  .hero{padding:7rem 1.25rem 4rem}
  .hero-meta{gap:1.5rem;flex-wrap:wrap}
  .manifesto-item{grid-template-columns:40px 1fr;padding:1.5rem;gap:1rem}
}

a:focus-visible,button:focus-visible,.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ===== REDUCED MOTION ===== */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
  }
  .reveal{opacity:1;transform:none;filter:none}
  .hero h1 .accent,.hero-slogan .accent{
    -webkit-text-fill-color:var(--cyan);background:none;
  }
  #particles{display:none}
}