/* ============================================================
   Corvara Systems — shared site styles (multi-page)
   Built on top of the reusable background/ module.
   Tokens mirror the launch page's night palette; interior
   pages sit on a dark scrim so text stays legible over every
   time-of-day scene.
   ============================================================ */

:root{
  /* Official Corvara palette: Ink #0D1112 · Teal #305D64 · Reverse Teal #6E9BA4 · Dark Ground #101314 */
  --base:#0b0f10;
  --ink:#eef3f3;
  --muted:#8ba0a6;
  --muted-dim:#6b8288;
  --teal:#305D64;
  --teal-bright:#6E9BA4;
  --teal-glow:rgba(110,155,164,.5);
  --panel:rgba(12,20,24,.55);
  --panel-border:rgba(110,155,164,.18);
  --panel-border-hover:rgba(110,155,164,.55);
  --nav-bg:rgba(13,17,18,.74);
  --shadow-soft:0 1px 2px rgba(0,0,0,.5), 0 2px 22px rgba(0,0,0,.5);
  --maxw:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Rajdhani",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--base);
  line-height:1.5;
  min-height:100dvh;
  position:relative;
  overflow-x:hidden;
  display:flex;
  flex-direction:column;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* Dark legibility scrim over the fixed scene (interior pages).
   Sits above the background module (z<0) but below content. */
.scrim{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,9,12,.68) 0%,rgba(6,9,12,.82) 55%,rgba(4,7,10,.94) 100%);
}

/* ---------------- Header / nav ---------------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;
  padding:.7rem max(clamp(1rem,4vw,2.2rem),env(safe-area-inset-right)) .7rem max(clamp(1rem,4vw,2.2rem),env(safe-area-inset-left));
  background:var(--nav-bg);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(110,155,164,.10);
}
.brand{display:flex;align-items:center;gap:.6rem}
.brand img{height:36px;width:auto;display:block}
@media (max-width:400px){.brand img{height:32px}}
.nav{display:flex;align-items:center;gap:.35rem}
.nav a{
  font-weight:600;font-size:.8rem;letter-spacing:.13em;text-transform:uppercase;
  color:#d3dde0;padding:.55rem .9rem;border-radius:999px;
  transition:color .25s,background .25s
}
.nav a:hover{color:#fff;background:rgba(110,155,164,.12)}
.nav a.active{color:#fff;background:rgba(110,155,164,.16)}
.nav a.cta{
  color:#eef3f3;border:1px solid var(--panel-border-hover);
  margin-left:.4rem
}
.nav a.cta:hover{background:rgba(110,155,164,.12);color:var(--teal-bright)}
.nav-toggle{
  display:none;background:transparent;border:0;cursor:pointer;padding:.4rem;
  color:#eef3f3
}
.nav-toggle svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.6}

@media (max-width:720px){
  .nav-toggle{display:block}
  .nav{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;padding:0 .8rem;background:#0b0f11;
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .nav.open{
    max-height:360px;padding-top:.5rem;padding-bottom:1rem;
    border-bottom:1px solid rgba(110,155,164,.12);
  }
  .nav a{padding:.85rem .6rem;letter-spacing:.14em}
  .nav a.cta{margin:.4rem 0 0;text-align:center}
}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;
  font-family:inherit;font-weight:600;font-size:.8rem;letter-spacing:.16em;
  text-transform:uppercase;padding:.8rem 1.5rem;border-radius:999px;
  transition:transform .25s,background .25s,border-color .25s,color .25s;
  border:1px solid transparent
}
.btn-primary{background:var(--teal);color:#fff;border-color:var(--teal)}
.btn-primary:hover{background:var(--teal-bright);border-color:var(--teal-bright);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--panel-border-hover)}
.btn-ghost:hover{color:var(--teal-bright);border-color:var(--teal-bright);transform:translateY(-2px)}

/* ---------------- Layout / sections ---------------- */
main{flex:1 0 auto;position:relative;z-index:5}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:max(clamp(1rem,4vw,2rem),env(safe-area-inset-left));padding-right:max(clamp(1rem,4vw,2rem),env(safe-area-inset-right))}

.page-hero{
  padding:clamp(7rem,16vh,11rem) 0 clamp(2.5rem,6vh,4rem);
  text-align:center
}
.eyebrow{
  font-weight:600;letter-spacing:.42em;text-indent:.42em;font-size:.7rem;
  text-transform:uppercase;color:var(--teal-bright);margin-bottom:1.1rem
}
h1.page-title{
  font-weight:600;font-size:clamp(2.1rem,6vw,3.6rem);line-height:1.1;
  color:var(--ink);text-shadow:var(--shadow-soft);max-width:16ch;margin:0 auto
}
h1.page-title b{color:var(--teal-bright);font-weight:700}
.lede{
  margin:1.4rem auto 0;max-width:56ch;font-size:clamp(1.05rem,2.4vw,1.35rem);
  font-weight:400;color:var(--ink);opacity:.9;line-height:1.7;text-shadow:0 1px 14px rgba(0,6,9,.6)
}

section.band{padding:clamp(2.5rem,7vh,5rem) 0}
.section-head{text-align:center;margin-bottom:clamp(2rem,5vh,3.2rem)}
.section-head h2{
  font-weight:600;font-size:clamp(1.6rem,4vw,2.4rem);line-height:1.2;color:var(--ink)
}
.section-head h2 b{color:var(--teal-bright);font-weight:700}
.section-head p{margin:1rem auto 0;max-width:52ch;color:var(--muted);font-size:1.05rem}

/* ---------------- Cards / grids ---------------- */
.grid{display:grid;gap:1.1rem}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:860px){.grid.cols-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}}

.card{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;
  padding:1.5rem 1.4rem;backdrop-filter:blur(6px);
  transition:transform .3s,border-color .3s,background .3s
}
.card:hover{transform:translateY(-3px);border-color:var(--panel-border-hover);background:rgba(16,26,32,.62)}
.card h3{
  font-weight:600;font-size:1.12rem;letter-spacing:.06em;color:var(--ink);
  margin-bottom:.5rem;display:flex;align-items:center;gap:.6rem
}
.card h3 .dot{width:7px;height:7px;border-radius:50%;background:var(--teal-bright);
  box-shadow:0 0 10px var(--teal-glow);flex:none}
.card p{color:var(--muted);font-size:.98rem;line-height:1.6}

/* Pill tiles (reused from launch page) */
.tiles{display:flex;flex-wrap:wrap;justify-content:center;gap:.9rem 1rem;max-width:900px;margin:0 auto}
.tile{
  font-weight:600;font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;
  color:#d7e3e5;padding:.6rem 1.25rem;border:1px solid rgba(110,155,164,.24);
  border-radius:999px;background:rgba(120,175,185,.05);backdrop-filter:blur(4px);
  transition:color .3s,border-color .3s,transform .3s
}
.tile:hover{color:var(--teal-bright);border-color:var(--teal);transform:translateY(-2px)}

/* ---------------- CTA band ---------------- */
.cta-band{text-align:center;padding:clamp(3rem,8vh,5.5rem) 0}
.cta-band h2{font-weight:600;font-size:clamp(1.7rem,4.4vw,2.6rem);color:var(--ink);margin-bottom:1rem}
.cta-band h2 b{color:var(--teal-bright);font-weight:700}
.cta-band p{color:var(--muted);max-width:48ch;margin:0 auto 2rem;font-size:1.08rem}
.cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ---------------- Footer ---------------- */
.site-footer{
  position:relative;z-index:5;flex-shrink:0;text-align:center;
  padding:2.4rem 1.2rem 2rem;border-top:1px solid rgba(110,155,164,.10)
}
.site-footer .f-brand{display:flex;align-items:center;justify-content:center;gap:.55rem;margin-bottom:.9rem}
.site-footer .f-brand img{height:22px}
.site-footer .f-links{display:flex;gap:1.4rem;justify-content:center;flex-wrap:wrap;margin-bottom:1.1rem}
.site-footer .f-links a{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);transition:color .25s}
.site-footer .f-links a:hover{color:var(--teal-bright)}
.site-footer .origin{color:var(--teal-bright);opacity:.8;font-size:.72rem;letter-spacing:.2em;margin-bottom:.4rem}
.site-footer .copy{color:var(--muted-dim);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase}

/* ---------------- Reveal on scroll ---------------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------------- Forms ---------------- */
.form{max-width:560px;margin:0 auto;display:grid;gap:1rem;text-align:left}
.form label{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:.35rem;display:block}
.form input,.form textarea{
  width:100%;font-family:inherit;font-size:1rem;color:var(--ink);
  background:rgba(8,14,18,.6);border:1px solid var(--panel-border);border-radius:12px;
  padding:.85rem 1rem;transition:border-color .25s,background .25s
}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--teal-bright);background:rgba(10,18,24,.75)}
.form textarea{min-height:150px;resize:vertical}
.form .btn{justify-content:center;width:100%}