/* ==========================================================================
   PAXION — LAYOUT
   Navbar, hero, grid de 12 colunas, footer.
   ========================================================================== */

/* ---------------------------------------------------------------------- */
/* Navbar                                                                   */
/* ---------------------------------------------------------------------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:200;
  height:var(--nav-h); display:flex; align-items:center;
  background:transparent; border-bottom:1px solid transparent;
  transition:background var(--duration-ui) var(--ease-out), border-color var(--duration-ui) var(--ease-out), backdrop-filter var(--duration-ui) var(--ease-out);
}
.nav.is-scrolled{
  background:rgba(5,9,15,.72); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{ display:flex; align-items:center; justify-content:space-between; width:100%; }

.nav-brand{ display:flex; flex-direction:column; gap:2px; }
.nav-brand .mark{
  font-family:var(--font-mono); font-size:18px; letter-spacing:.02em; color:var(--text);
}
.nav-brand .mark .x{ color:var(--accent); }
.nav-brand .tag{
  font-family:var(--font-mono); font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:var(--text-faint);
}

.nav-links{ display:flex; align-items:center; gap:44px; }
.nav-links a{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--text-muted); position:relative; padding:6px 0; transition:color var(--duration-ui) var(--ease-out);
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:1px; background:var(--accent);
  transition:width var(--duration-ui) var(--ease-out);
}
.nav-links a:hover{ color:var(--text); }
.nav-links a:hover::after{ width:100%; }
.nav-links a:focus-visible{ outline:1px solid var(--accent); outline-offset:4px; }

.nav-cta{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  padding:11px 20px; border:1px solid var(--line-strong); border-radius:100px; color:var(--accent);
  transition:all var(--duration-ui) var(--ease-out);
}
.nav-cta:hover{ background:var(--accent); color:var(--bg-deep); border-color:var(--accent); }
.nav-cta:focus-visible{ outline:1px solid var(--accent); outline-offset:4px; }

.nav-toggle{ display:none; width:32px; height:32px; position:relative; }
.nav-toggle span{
  position:absolute; left:6px; right:6px; height:1px; background:var(--text);
  transition:transform var(--duration-ui) var(--ease-out), opacity var(--duration-ui) var(--ease-out);
}
.nav-toggle span:nth-child(1){ top:12px; }
.nav-toggle span:nth-child(2){ top:20px; }
.nav-toggle.is-open span:nth-child(1){ transform:translateY(4px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ transform:translateY(-4px) rotate(-45deg); }

.nav-mobile{
  position:fixed; inset:var(--nav-h) 0 0 0; z-index:190;
  background:rgba(5,9,15,.98); backdrop-filter:blur(20px);
  display:flex; flex-direction:column; justify-content:center; gap:8px;
  padding:0 var(--gutter);
  transform:translateY(-8px); opacity:0; pointer-events:none;
  transition:opacity var(--duration-ui) var(--ease-out), transform var(--duration-ui) var(--ease-out);
}
.nav-mobile.is-open{ opacity:1; transform:translateY(0); pointer-events:auto; }
.nav-mobile a{
  font-size:34px; font-family:var(--font-sans); font-weight:500; color:var(--text);
  padding:14px 0; border-bottom:1px solid var(--line);
}
.nav-mobile .nav-cta{ margin-top:24px; align-self:flex-start; }

/* ---------------------------------------------------------------------- */
/* Hero                                                                     */
/* ---------------------------------------------------------------------- */
.hero{
  min-height:100vh; display:flex; align-items:center;
  padding:calc(var(--nav-h) + var(--space-6)) 0 var(--space-6);
  position:relative; border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid; grid-template-columns:1.05fr .95fr; gap:var(--space-6); align-items:center;
}
.hero-text .index-label{ margin-bottom:26px; }
.hero-text h1{
  font-size:clamp(40px, 5.6vw, 78px); letter-spacing:-0.02em; line-height:1.04; margin-bottom:28px;
}
.hero-text h1 em{ font-style:normal; color:var(--accent); }
.hero-text .lede{
  font-size:17px; color:var(--text-muted); max-width:460px; margin-bottom:40px;
}
.hero-cta{ display:flex; align-items:center; gap:28px; flex-wrap:wrap; }

.hero-visual{
  position:relative; aspect-ratio:1/1; display:flex; align-items:center; justify-content:center;
}
.hero-orb-frame{
  position:relative; width:88%; aspect-ratio:1/1; border-radius:50%;
  overflow:hidden; will-change:transform;
}
.hero-orb-frame img{
  width:100%; height:100%; object-fit:cover;
  filter:hue-rotate(150deg) saturate(1.3) brightness(.9) contrast(1.05);
  mix-blend-mode:screen; opacity:.85;
}
.hero-orb-frame::before{
  content:''; position:absolute; inset:0; border-radius:50%;
  background:radial-gradient(circle at 50% 35%, rgba(76,224,179,.18), rgba(5,9,15,.9) 72%);
  mix-blend-mode:multiply;
}
.hero-orb-frame::after{
  content:''; position:absolute; inset:0; border-radius:50%; border:1px solid var(--line-strong);
}
.hero-rings{ position:absolute; inset:0; pointer-events:none; }
.hero-rings svg{ width:100%; height:100%; }
.hero-coord{
  position:absolute; font-family:var(--font-mono); font-size:10px; letter-spacing:.1em; color:var(--text-faint);
}
.hero-coord.c1{ top:2%; left:0; }
.hero-coord.c2{ bottom:0; right:2%; text-align:right; }

.scroll-indicator{
  position:absolute; bottom:34px; left:var(--gutter);
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-size:10px; letter-spacing:.18em; color:var(--text-faint);
}
.scroll-indicator .line{ width:1px; height:34px; background:linear-gradient(var(--accent), transparent); position:relative; overflow:hidden; }
.scroll-indicator .line::after{
  content:''; position:absolute; top:-100%; left:0; width:100%; height:100%; background:var(--accent);
  animation:scrollline 2.2s var(--ease-soft) infinite;
}
@keyframes scrollline{ 0%{ top:-100%; } 60%{ top:100%; } 100%{ top:100%; } }

/* ---------------------------------------------------------------------- */
/* 12-column technical grid helper                                         */
/* ---------------------------------------------------------------------- */
.grid-12{ display:grid; grid-template-columns:repeat(12, 1fr); gap:var(--space-5); }

/* ---------------------------------------------------------------------- */
/* Section head shared pattern                                              */
/* ---------------------------------------------------------------------- */
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:var(--space-5); margin-bottom:var(--space-6); flex-wrap:wrap; }
.section-head h2{ font-size:clamp(28px, 4vw, 46px); max-width:640px; }
.section-head .desc{ color:var(--text-muted); font-size:15px; max-width:320px; }

/* ---------------------------------------------------------------------- */
/* Footer                                                                   */
/* ---------------------------------------------------------------------- */
.footer{ border-top:1px solid var(--line); padding:var(--space-6) 0 var(--space-5); }
.footer-grid{ display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:var(--space-5); }
.footer-brand{ font-family:var(--font-mono); font-size:20px; }
.footer-brand .x{ color:var(--accent); }
.footer-meta{ font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; color:var(--text-faint); text-transform:uppercase; line-height:1.9; }
.footer-note{ font-size:12px; color:var(--text-faint); margin-top:var(--space-4); max-width:400px; }

@media (max-width:1024px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; max-width:420px; margin:0 auto; }
}
@media (max-width:760px){
  .nav-links, .nav-cta{ display:none; }
  .nav-toggle{ display:block; }
  .hero{ padding-top:calc(var(--nav-h) + var(--space-4)); min-height:auto; }
  .hero-text .lede{ max-width:none; }
  .section-head{ flex-direction:column; align-items:flex-start; }
}