/* ============
   Rixweb Theme
   ============ */
:root{
  --brand-dark:#0b1e2e;
  --brand-mid:#13324d;
  --brand-accent:#2aa0ff;
  --brand-accent-2:#6ac6ff;
  --text:#e6eef6;
  --muted:#a6b5c5;
  --bg:#07131e;
  --card:#0d2132;
  --border:#1b3750;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --radius:16px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,"Noto Sans","Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 50% -50%, rgba(42,160,255,.12), transparent 60%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-accent);text-decoration:none}
a:hover,a:focus{text-decoration:underline}
p{margin:0 0 1rem}
h1,h2,h3{line-height:1.2;margin:0 0 .6rem}
h1{font-size:clamp(2rem,3.4vw,3rem)}
h2{font-size:clamp(1.6rem,2.4vw,2.1rem)}
h3{font-size:1.125rem}
.container{width:min(1120px,92%);margin:0 auto}
.small{font-size:.9375rem}
.muted{color:var(--muted)}
.lead{font-size:clamp(1.05rem,1.4vw,1.25rem)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip-link{position:absolute;left:-999px;top:auto}
.skip-link:focus{left:1rem;top:1rem;background:var(--brand-accent);color:#001018;padding:.5rem .75rem;border-radius:6px}

/* Header / Nav */
.site-header{
  position:sticky;top:0;z-index:40;
  background:linear-gradient(180deg, rgba(7,19,30,.92), rgba(7,19,30,.75));
  backdrop-filter:saturate(110%) blur(8px);
  border-bottom:1px solid rgba(255,255,255,.04)
}
.site-header.is-scrolled{box-shadow:var(--shadow)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:1rem}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-weight:700;color:#eaf5ff;letter-spacing:.3px}
.brand-logo{width:36px;height:36px;object-fit:contain;filter:drop-shadow(0 0 12px rgba(42,160,255,.25))}
.brand-logo.small{width:28px;height:28px}
.brand-text{text-transform:uppercase;font-size:1rem}
.site-nav ul{display:flex;align-items:center;gap:.75rem;list-style:none;padding:0;margin:0}
.site-nav a{display:inline-block;padding:.4rem .6rem;border-radius:8px;color:var(--text)}
.site-nav a.active,.site-nav a:hover{background:rgba(106,198,255,.08);text-decoration:none}
.nav-toggle,.sub-toggle{display:none}
.has-sub{position:relative}
.has-sub .sub{
  display:none;position:absolute;top:100%;left:0;
  background:var(--card);border:1px solid var(--border);border-radius:10px;padding:.4rem;
  box-shadow:var(--shadow);width:220px
}
.has-sub:hover .sub{display:block}
.sub a{display:block;padding:.5rem .6rem;border-radius:8px}
.sub a:hover{background:rgba(106,198,255,.08)}
@media (max-width:920px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;font-size:20px;border-radius:8px;background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--border)}
  .site-nav{position:absolute;inset:64px 0 auto 0;background:var(--bg);border-bottom:1px solid var(--border);display:none}
  .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .site-nav a{padding:.9rem 1rem;border-radius:0}
  .has-sub .sub{position:static;width:100%;box-shadow:none;border:none;padding:0}
  .has-sub .sub a{padding-left:2rem}
  .has-sub:hover .sub{display:none}
  .has-sub .sub-toggle{display:block;width:100%;text-align:left;background:none;color:var(--text);border:none;padding:.9rem 1rem}
}

/* Hero */
.hero{
  padding:clamp(2rem,5vw,4rem) 0 clamp(2.5rem,6vw,5rem);
  background:
    radial-gradient(800px 400px at 10% 0%, rgba(42,160,255,.18), transparent 60%),
    linear-gradient(180deg, rgba(11,30,46,.4), rgba(11,30,46,0) 50%)
}
.hero-grid{display:grid;grid-template-columns:1.05fr .75fr;gap:clamp(1.5rem,3vw,3rem);align-items:center}
.hero-copy .pill-list{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1rem;}
.pill-list li{list-style:none;padding:.35rem .6rem;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.03);color:var(--muted)}
.hero-card{background:linear-gradient(180deg, rgba(19,50,77,.8), rgba(19,50,77,.5));border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}
.stat{display:grid;grid-template-columns:90px 1fr;align-items:center;gap:.75rem;margin-bottom:.6rem}
.stat-num{width:80px;height:64px;display:grid;place-items:center;border-radius:14px;font-weight:800;font-size:1.25rem;color:#001522;background:linear-gradient(180deg,var(--brand-accent-2),var(--brand-accent));box-shadow:0 0 24px rgba(42,160,255,.35) inset,0 6px 20px rgba(0,0,0,.35)}
.stat-label{color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-size:.75rem}
.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;margin:1rem 0 0}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr}}

/* Buttons */
.btn{display:inline-block;padding:.75rem 1rem;border-radius:12px;background:linear-gradient(180deg,var(--brand-accent-2),var(--brand-accent));color:#001018;font-weight:700;border:1px solid rgba(0,0,0,.15);box-shadow:var(--shadow)}
.btn:hover{filter:brightness(1.05);text-decoration:none}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-small{padding:.5rem .75rem;font-weight:600}
.btn-invert{background:#e6f3ff;color:#001018}

/* Sections / Cards */
.section{padding:clamp(2rem,5vw,4rem) 0}
.section.alt{background:linear-gradient(180deg, rgba(10,26,40,.6), rgba(10,26,40,.2))}
.section-head{text-align:center;margin-bottom:1.5rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
@media (max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-4,.grid-2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem;box-shadow:var(--shadow)}
.link-card{position:relative;transition:transform .16s ease,border-color .16s ease}
.link-card:hover{transform:translateY(-2px);border-color:rgba(106,198,255,.5);text-decoration:none}
.link-arrow{display:inline-block;margin-top:.5rem;font-weight:700}
.tall p{margin-bottom:.5rem}
.check{list-style:none;margin:.4rem 0 0;padding:0;display:grid;gap:.35rem}
.check li{position:relative;padding-left:1.4rem}
.check li:before{content:"✔";position:absolute;left:0;top:0;color:var(--brand-accent-2)}
.check.big li{margin:.2rem 0}

/* Value band (two-up) */
.value-band{padding:clamp(2rem,5vw,4rem) 0}
.value-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:1rem}
.value-grid.reverse{grid-template-columns:.8fr 1.2fr}
.value-card{border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden}
.copy-card{background:var(--card);padding:1.25rem}
/* Big image cards */
.img-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  min-height: 280px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Assign images (add a soft overlay via linear-gradient if you want text to pop) */
.img-card.team {
  background-image:
    linear-gradient(0deg, rgba(7,19,30,.35), rgba(7,19,30,.35)),
    url('../img/Home/home-under-hero.png');
}
.img-card.bridge {
  background-image:
    linear-gradient(0deg, rgba(7,19,30,.35), rgba(7,19,30,.35)),
    url('../img/Home/home-bridge-gap.jpg');
}
@media (max-width:920px){.value-grid,.value-grid.reverse{grid-template-columns:1fr}}

/* Why section */
.why-grid .heavy{padding:1.25rem}
/* Mosaic images */
.img-mosaic {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .6rem;
}
.img-mosaic .tile {
  border: 1px solid var(--border);
  border-radius: 14px;
  min-height: 110px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.img-mosaic .tile.w2 { grid-column: span 2; min-height: 180px; }

/* Assign your actual images */
.img-mosaic .tile.m1 { background-image: url('../img/Home/home-graph-1.png'); }
.img-mosaic .tile.m2 { background-image: url('../img/Home/home-graph-2.png'); }
.img-mosaic .tile.m3 { background-image: url('../img/Home/home-graph-3.png'); }
.img-mosaic .tile.m4 { background-image: url('../img/Home/home-graph-4.png'); }

/* Metrics */
.metric{text-align:center}
.metric-num{font-weight:800;font-size:1.25rem;margin-bottom:.25rem;color:#eaf5ff}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;counter-reset:step;list-style:none;padding:0;margin:0}
.steps li{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem}
.step-badge{width:36px;height:36px;border-radius:10px;background:rgba(106,198,255,.15);color:var(--brand-accent-2);display:grid;place-items:center;font-weight:800;margin-bottom:.5rem}
@media (max-width:920px){.steps{grid-template-columns:1fr}}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1rem;margin:.6rem 0}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin-top:.5rem}

/* Founders */
.founders .founder{display:grid;grid-template-columns:84px 1fr;gap:1rem;align-items:start}
.avatar{width:84px;height:84px;border-radius:999px;display:grid;place-items:center;font-weight:800;font-size:1.5rem;color:#001018;background:radial-gradient(circle at 30% 30%, var(--brand-accent-2), var(--brand-accent));box-shadow:0 0 40px rgba(42,160,255,.35)}

/* CTA band */
.cta-band{padding:2.2rem 0;background:linear-gradient(90deg, var(--brand-mid), var(--brand-dark));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.cta-band-inner{display:grid;gap:.5rem;text-align:center}

/* Footer */
.site-footer{padding:2.2rem 0;background:#071018;border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:1rem;align-items:start}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:.35rem}
.brand-footer{gap:.5rem}
@media (max-width:820px){.footer-grid{grid-template-columns:1fr}}

/* Motion */
@media (prefers-reduced-motion:reduce){.link-card,.stat-num{transition:none!important}}


/* ===== Nav + Dropdown ===== */

.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(120%) blur(6px); }
.site-header .nav-wrap { display:flex; align-items:center; justify-content:space-between; gap:1rem; }

.site-nav ul { display:flex; align-items:center; gap:1.2rem; list-style:none; margin:0; padding:0; }
.site-nav a { text-decoration:none; }
.site-nav a.active { color: var(--brand-accent-2); }

/* Mobile toggle (hidden on wide screens) */
.nav-toggle { background: var(--surface-2, transparent); border:1px solid var(--border); padding:.4rem .6rem; border-radius:.6rem; display:none; }
@media (max-width: 860px){
  .nav-toggle { display:inline-flex; }
  .site-nav { position: absolute; left:0; right:0; top:100%; background: var(--surface, rgba(0,0,0,.5)); border-bottom:1px solid var(--border); display:none; }
  .site-nav.open { display:block; }
  .site-nav ul { flex-direction:column; align-items:flex-start; gap:.2rem; padding: .8rem 1rem; }
}

/* Dropdown core */
.has-sub { position: relative; }
.sub-toggle {
  background: transparent; border:0; cursor:pointer; color:inherit; font:inherit; padding:0;
  display:inline-flex; align-items:center; gap:.35rem;
}

.has-sub .sub {
  position:absolute;
  top:100%;            /* <— sits flush under the button */
  left:0;
  min-width:220px;
  background: var(--surface-2, rgba(10,20,30,.9));
  border:1px solid var(--border);
  border-radius:.8rem;
  box-shadow: var(--shadow, 0 10px 30px rgba(0,0,0,.35));
  padding:.5rem;
  opacity:0; visibility:hidden; transform: translateY(6px);
  pointer-events:none; transition: .16s ease;
  z-index: 1000;
}

.has-sub.open > .sub { opacity:1; visibility:visible; transform:none; pointer-events:auto; }

/* Keep open on hover for desktop pointers */
@media (hover: hover) and (pointer: fine){
  .has-sub:hover > .sub { opacity:1; visibility:visible; transform:none; pointer-events:auto; }
}

/* Mobile: render inline */
@media (max-width: 860px){
  .has-sub .sub {
    position: static; transform:none; opacity:1; visibility:visible; pointer-events:auto;
    background: transparent; border:0; box-shadow:none; padding:.25rem 0 .5rem;
  }
}