/* ================= NORTHA — SISTEMA VISUAL INSTITUCIONAL ================= */
:root{
  --bg-0:#080c14; --bg-1:#0c1420; --bg-2:#101c2c; --line:#1c2a3c;
  --teal:#1fb3a3; --teal-bright:#5fd9c9; --text-0:#f2f0ea; --text-1:#aab4c0; --text-2:#6b7788;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-0); color:var(--text-0); font-family:'Inter',sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
.serif{ font-family:'Fraunces', serif; }
.mono{ font-family:'IBM Plex Mono', monospace; }
a{ color:inherit; text-decoration:none; }
::selection{ background:var(--teal); color:var(--bg-0); }
.wrap{ max-width:1080px; margin:0 auto; padding:0 32px; }
@media(max-width:640px){ .wrap{ padding:0 20px; } }

/* ---------- NAV ---------- */
header.site-nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  background:rgba(8,12,20,0.86); backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 32px; max-width:1080px; margin:0 auto; gap:20px;
}
.brand{ display:flex; align-items:center; gap:9px; flex-shrink:0; }
.brand svg{ width:24px; height:24px; }
.brand-name{ font-family:'Fraunces',serif; font-weight:600; font-size:17px; }
.nav-links{ display:flex; gap:26px; font-size:14px; color:var(--text-1); flex-wrap:wrap; }
.nav-links a:hover, .nav-links a.active{ color:var(--teal-bright); }
.nav-toggle{ display:none; background:none; border:none; color:var(--text-0); font-size:22px; cursor:pointer; }
@media(max-width:800px){
  .nav-links{
    display:none; position:absolute; top:100%; left:0; right:0;
    background:var(--bg-0); border-bottom:1px solid var(--line);
    flex-direction:column; padding:16px 32px 24px; gap:16px;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:block; }
}

/* ---------- HERO SHARED ---------- */
.page-hero{ padding:150px 0 80px; border-bottom:1px solid var(--line); position:relative; }
.page-hero::before{
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse 900px 460px at 50% -12%, rgba(31,179,163,0.13), transparent 60%);
  pointer-events:none;
}
.eyebrow{
  font-family:'IBM Plex Mono',monospace; font-size:12px; letter-spacing:0.12em; text-transform:uppercase;
  color:var(--teal-bright); margin-bottom:18px; position:relative; z-index:1;
}
h1.hero-title{
  font-family:'Fraunces',serif; font-weight:600; font-size:clamp(30px,4.6vw,52px);
  line-height:1.1; letter-spacing:-0.01em; max-width:760px; position:relative; z-index:1;
}
p.hero-sub{ font-size:17px; color:var(--text-1); max-width:600px; margin-top:20px; position:relative; z-index:1; }

/* ---------- SECTION SHARED ---------- */
section{ padding:80px 0; border-bottom:1px solid var(--line); }
section:last-of-type{ border-bottom:none; }
.section-kicker{
  font-family:'IBM Plex Mono',monospace; font-size:11.5px; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--teal-bright); margin-bottom:14px; display:flex; align-items:center; gap:10px;
}
.section-kicker::before{ content:''; width:20px; height:1px; background:var(--teal); }
h2.section-title{
  font-family:'Fraunces',serif; font-weight:600; font-size:clamp(24px,3vw,34px); line-height:1.18; letter-spacing:-0.01em;
}
p.section-lead{ color:var(--text-1); font-size:16px; margin-top:14px; max-width:600px; }
p.body-text{ color:var(--text-1); font-size:15.5px; margin-bottom:16px; max-width:640px; }
p.body-text strong{ color:var(--text-0); }

/* ---------- CARDS / GRIDS ---------- */
.card-grid{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
@media(max-width:760px){ .grid-2, .grid-3{ grid-template-columns:1fr; } }
.card{ background:var(--bg-1); padding:32px 28px; }
.card-title{ font-family:'Fraunces',serif; font-weight:600; font-size:19px; margin-bottom:10px; }
.card-desc{ font-size:14.5px; color:var(--text-1); line-height:1.55; }
.card-icon{ width:32px; height:32px; color:var(--teal-bright); margin-bottom:16px; }

/* ---------- QUOTE / MANIFESTO BLOCK ---------- */
.quote-block{
  border-left:2px solid var(--teal); padding:6px 0 6px 26px; margin:28px 0;
  font-family:'Fraunces',serif; font-size:19px; font-style:italic; color:var(--text-0); line-height:1.5;
}

/* ---------- TIMELINE (used sparingly, order carries meaning) ---------- */
.timeline{ display:flex; flex-direction:column; gap:0; }
.timeline-item{ display:flex; gap:20px; padding:22px 0; border-bottom:1px solid var(--line); }
.timeline-item:last-child{ border-bottom:none; }
.timeline-mark{
  font-family:'IBM Plex Mono',monospace; color:var(--teal-bright); font-size:13px;
  flex-shrink:0; width:64px; padding-top:2px;
}
.timeline-body h3{ font-family:'Fraunces',serif; font-weight:600; font-size:16.5px; margin-bottom:6px; }
.timeline-body p{ font-size:14.5px; color:var(--text-1); }

/* ---------- BUTTONS ---------- */
.btn{ display:inline-block; font-size:14px; font-weight:600; padding:13px 26px; border-radius:3px; cursor:pointer; border:none; transition:all .2s ease; }
.btn-primary{ background:var(--teal); color:var(--bg-0); }
.btn-primary:hover{ background:var(--teal-bright); }
.btn-ghost{ border:1px solid var(--line); color:var(--text-0); background:transparent; }
.btn-ghost:hover{ border-color:var(--teal); color:var(--teal-bright); }

/* ---------- FOOTER ---------- */
footer.site-footer{ padding:48px 0; }
.foot-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:18px; }
.foot-brand{ display:flex; align-items:center; gap:9px; color:var(--text-2); font-size:13px; }
.foot-links{ display:flex; gap:22px; font-size:13px; color:var(--text-2); flex-wrap:wrap; }
.foot-links a:hover{ color:var(--teal-bright); }

/* ---------- DISCLAIMER (used on Roadmap) ---------- */
.disclaimer-box{
  background:var(--bg-1); border:1px dashed var(--line); border-radius:4px;
  padding:18px 22px; font-size:13.5px; color:var(--text-2); margin-bottom:32px;
}