:root{
  --bg: #ffffff;
  --text: #000000;
  --muted: #444;
  --accent: #111111;
  --card-shadow: rgba(0,0,0,0.06);
  --container: 1100px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.5;
}
.container{max-width:var(--container);margin:0 auto;padding:2rem}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.logo{font-weight:700;font-size:1.25rem;text-decoration:none;color:var(--text)}
.logo img{height:40px;max-width:160px;display:inline-block;vertical-align:middle}
.logo-text{display:inline-block;margin-left:0.5rem;font-weight:700}
.nav{display:flex;gap:1rem;align-items:center}
.nav a{color:var(--text);text-decoration:none;padding:0.25rem 0.5rem;border-radius:6px}
.nav a:hover{background:rgba(0,0,0,0.04)}
.nav.open{display:flex}
.nav-toggle{display:none;background:transparent;border:0;font-size:1.6rem}

.hero{position:relative;overflow:hidden;padding:3.5rem 0 5rem}
.hero-inner{position:relative;z-index:2}
.hero-title{font-size:4rem;margin:0 0 0.5rem;letter-spacing:0.02em;line-height:1}
.hero-sub{margin:0 0 1rem;font-weight:600;color:var(--muted)}
.hero-tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}
.hero-tags span{font-size:.9rem;background:rgba(0,0,0,0.03);padding:.4rem .6rem;border-radius:999px}
.hero-desc{max-width:60ch}
.cta{display:inline-block;margin-top:1rem;background:var(--accent);color:var(--bg);padding:.75rem 1rem;border-radius:8px;text-decoration:none}

.hero-canvas{position:absolute;inset:0;z-index:1;opacity:.12;pointer-events:none;width:100%;height:100%}

.presentation h2,.domains h2{margin-top:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.card{background:var(--bg);border-radius:12px;padding:1rem;border:1px solid rgba(0,0,0,0.04);box-shadow:0 6px 18px var(--card-shadow);transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,0,0,0.08)}

.site-footer{display:flex;justify-content:space-between;align-items:center;padding:2rem 0;border-top:1px solid rgba(0,0,0,0.04)}
.site-footer a{color:var(--text);text-decoration:none}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

/* Contact layout */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.contact-form label{display:block;margin-bottom:0.75rem}
.contact-form input,.contact-form textarea{width:100%;padding:.6rem;border:1px solid rgba(0,0,0,0.08);border-radius:8px}

/* Responsive */
@media (max-width:900px){
  .hero-title{font-size:2.6rem}
  .nav{display:none}
  /* Full-screen fixed dark overlay so links sit above all content and are clickable */
  .nav.open{display:flex;flex-direction:column;position:fixed;inset:0;background:rgba(0,0,0,0.88);padding-top:84px;align-items:center;justify-content:flex-start;gap:1rem;z-index:1400;backdrop-filter:blur(6px)}
  .nav a{display:block;padding:1rem 1.25rem;font-size:1.05rem;font-weight:600;color:var(--bg);width:100%;max-width:420px;text-align:center;border-radius:10px}
  .nav a:hover{background:rgba(255,255,255,0.06)}
  .nav .nav-divider{height:1px;width:100%;max-width:420px;background:rgba(255,255,255,0.06);margin:0.25rem 0}
  /* URLs under items removed - only page names are shown */
  .nav-toggle{display:block}
  /* make toggle a white pill with black text for better visibility */
  .nav-toggle{
    background:var(--bg);
    color:var(--text);
    border:1px solid rgba(0,0,0,0.08);
    padding:.45rem .8rem;
    display:inline-flex;align-items:center;justify-content:center;gap:.25rem;font-weight:700
  }
  .nav-toggle:focus{outline:none;box-shadow:0 6px 18px rgba(0,0,0,0.14)}
  .contact-grid{grid-template-columns:1fr}
  .hero-inner{text-align:center}
  .container{padding:1rem}
}

@media (max-width:600px){
  .hero{padding:2.25rem 0 3rem}
  .hero-title{font-size:2.2rem}
  .hero-sub{font-size:0.95rem}
  .hero-desc{font-size:.95rem;max-width:46ch;margin:0 auto}
  .card{padding:.8rem}
  .logo{font-size:1.05rem}
}

@media (max-width:420px){
  .hero-title{font-size:1.9rem}
  .nav.open{top:56px}
    /* bring the toggle button above the overlay and enlarge touch target */
      .nav-toggle{z-index:1500;padding:.35rem .6rem;border-radius:8px;background:var(--bg);color:var(--text);border:1px solid rgba(0,0,0,0.08)}

      /* visible elevated state when menu is open */
      .nav-toggle[aria-expanded="true"]{box-shadow:0 10px 30px rgba(0,0,0,0.18)}

      /* When overlay open, ensure header links (if visible) use light colors */
      .nav.open + .header-inner a, .nav.open .logo-text{color:var(--bg)}
  .site-footer{flex-direction:column;gap:.75rem;align-items:flex-start}
}

/* make logo image smaller on very small screens */
@media (max-width:420px){
  .logo img{height:30px}
  .logo-text{font-size:0.95rem}
}


/* small improvements for focus and touch */
.nav a:focus{outline:2px solid rgba(0,0,0,0.08);outline-offset:2px}
.cta{transition:transform .15s ease,box-shadow .15s ease}
.cta:active{transform:translateY(1px)}

/* small helper */
h1,h2,h3{color:var(--text)}
ul{padding-left:1.25rem}

/* Partners grid */
.partners-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem;margin-top:1rem}
.partner-card{background:var(--bg);border-radius:12px;padding:1.25rem;border:1px solid rgba(0,0,0,0.04);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.partner-logo{max-width:180px;height:auto;margin-bottom:.75rem}
.partners-page p{max-width:70ch}

@media (max-width:600px){
  .partner-logo{max-width:140px}
}