/* H2AI — shared site styles */

:root{
  --bg: #080D14;
  --bg-alt: #0D1A2A;
  --card: #0D2035;
  --card-border: #16324a;
  --accent: #5BB8F5;
  --accent-dark: #2A6AAA;
  --accent-deep: #1A5B8A;
  --text: #F4F8FB;
  --text-muted: #8EAABF;
  --green: #2FBF71;
  --radius: 14px;
  --maxw: 1160px;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }

a{ color: inherit; text-decoration:none; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / Nav */
header.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(8,13,20,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-border);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 24px;
  max-width: var(--maxw);
  margin:0 auto;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:1.15rem;
  letter-spacing:0.02em;
}

.brand img{ height:36px; width:auto; }

nav.links{
  display:flex;
  align-items:center;
  gap: 8px;
}

nav.links a{
  padding: 8px 16px;
  border-radius: 8px;
  color: var(--text-muted);
  font-weight:500;
  font-size:0.95rem;
  transition: color .15s ease, background .15s ease;
}

nav.links a:hover{ color:var(--text); background: rgba(91,184,245,0.08); }

nav.links a.active{ color: var(--text); background: rgba(91,184,245,0.12); }

.menu-toggle{
  display:none;
  background:none;
  border:1px solid var(--card-border);
  border-radius:8px;
  color:var(--text);
  padding:8px 10px;
  cursor:pointer;
}

/* Hero */
.hero{
  padding: 90px 24px 70px;
  text-align:center;
  background:
    radial-gradient(circle at 50% -10%, rgba(91,184,245,0.16), transparent 55%),
    var(--bg);
}

.eyebrow{
  display:inline-block;
  color: var(--accent);
  font-weight:600;
  font-size:0.8rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  margin-bottom: 18px;
}

.hero h1{
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  line-height:1.15;
  margin: 0 auto 20px;
  max-width: 880px;
  font-weight: 700;
}

.hero p.lead{
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 34px;
}

.btn-row{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}

.btn{
  display:inline-block;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight:600;
  font-size:0.95rem;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  border: 1px solid transparent;
}

.btn-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color:#04101c;
}
.btn-primary:hover{ transform: translateY(-1px); }

.btn-secondary{
  border-color: var(--card-border);
  color: var(--text);
}
.btn-secondary:hover{ border-color: var(--accent-deep); background: rgba(91,184,245,0.06); }

/* Milestone badges */
.milestones{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:16px;
  max-width: 920px;
  margin: 56px auto 0;
}

.milestone{
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px 18px;
}

.milestone .tag{
  color: var(--accent);
  font-size:0.72rem;
  font-weight:700;
  letter-spacing:0.1em;
  text-transform:uppercase;
  margin-bottom:8px;
}

.milestone .big{
  font-size:1.05rem;
  font-weight:700;
  margin-bottom:4px;
}

.milestone .sub{
  color: var(--text-muted);
  font-size:0.88rem;
}

/* Video embed */
.video-frame{
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--card-border);
  background: var(--card);
}

.video-frame iframe{
  position: absolute;
  top:0; left:0;
  width:100%; height:100%;
  border:0;
}

/* Sections */
section{ padding: 76px 24px; }
section.alt{ background: var(--bg-alt); }

.section-head{
  text-align:center;
  max-width: 700px;
  margin: 0 auto 48px;
}

.section-head .eyebrow{ margin-bottom: 10px; }

.section-head h2{
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 14px;
  font-weight:700;
}

.section-head p{
  color: var(--text-muted);
  font-size:1.05rem;
  margin:0;
}

/* Cards grid */
.grid{
  display:grid;
  gap: 22px;
}

.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
.grid-6{ grid-template-columns: repeat(6, 1fr); }

.card{
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.card .kicker{
  color: var(--accent);
  font-size:0.72rem;
  font-weight:700;
  letter-spacing:0.1em;
  text-transform:uppercase;
  margin-bottom:10px;
}

.card h3{
  margin: 0 0 6px;
  font-size:1.25rem;
}

.card .subtitle{
  color: var(--accent);
  font-size:0.92rem;
  font-weight:600;
  margin-bottom:14px;
}

.card p{
  color: var(--text-muted);
  font-size:0.95rem;
  margin: 0 0 8px;
}

.card .meta{
  margin-top: 16px;
  padding-top:16px;
  border-top:1px solid var(--card-border);
  font-size:0.85rem;
  color: var(--text-muted);
}

.card .meta strong{ color: var(--text); }

.pill{
  display:inline-block;
  background: rgba(47,191,113,0.12);
  color: var(--green);
  border:1px solid rgba(47,191,113,0.3);
  border-radius: 999px;
  padding: 4px 12px;
  font-size:0.72rem;
  font-weight:700;
  letter-spacing:0.06em;
  text-transform:uppercase;
  margin-bottom:14px;
}

/* Icon tiles (tech stack) */
.icon-tile{
  text-align:left;
}
.icon-tile .icon-badge{
  width:44px; height:44px;
  border-radius:10px;
  background: rgba(91,184,245,0.12);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:16px;
}
.icon-tile .icon-badge img{ width:22px; height:22px; }
.icon-tile .icon-badge span{ font-weight:800; color: var(--accent); font-size:0.85rem; }

/* Team */
.team-group{ margin-bottom: 64px; }
.team-group:last-child{ margin-bottom:0; }

.team-group h3.group-title{
  font-size:1.3rem;
  margin: 0 0 6px;
}
.team-group p.group-note{
  color: var(--text-muted);
  font-size:0.9rem;
  margin: 0 0 28px;
}

.team-card{
  display:flex;
  gap:18px;
  align-items:flex-start;
}

.team-photo{
  width:84px; height:84px;
  border-radius:50%;
  object-fit:cover;
  border: 2px solid var(--accent-deep);
  flex-shrink:0;
}

.team-photo.placeholder{
  display:flex;
  align-items:center;
  justify-content:center;
  background: var(--bg-alt);
  color: var(--accent);
  font-weight:700;
  font-size:1.4rem;
}

.team-card .role{
  color: var(--accent);
  font-size:0.88rem;
  font-weight:600;
  margin: 2px 0 10px;
}

.team-card .bio{
  color: var(--text-muted);
  font-size:0.9rem;
}

/* Contact / footer */
.contact-block{
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:24px;
}

.contact-block h3{ margin:0 0 6px; font-size:1.3rem; }
.contact-block p{ margin:0; color: var(--text-muted); }
.contact-block .addr{ margin-top:4px; }

footer{
  border-top:1px solid var(--card-border);
  padding: 32px 24px;
  color: var(--text-muted);
  font-size:0.85rem;
}

footer .wrap{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
}

footer nav{ display:flex; gap:18px; }
footer nav a:hover{ color: var(--text); }

.two-col{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items:start;
}

.two-col img{ border-radius: var(--radius); border:1px solid var(--card-border); }

.prose h3{ font-size:1.2rem; margin: 30px 0 10px; }
.prose h3:first-child{ margin-top:0; }
.prose p{ color: var(--text-muted); margin: 0 0 14px; }
.prose strong{ color: var(--text); }

.stat-row{
  display:flex;
  gap: 40px;
  flex-wrap:wrap;
  margin-top: 8px;
}
.stat{ }
.stat .num{ font-size:2rem; font-weight:800; color:var(--accent); }
.stat .label{ color:var(--text-muted); font-size:0.85rem; }

@media (max-width: 900px){
  .grid-3, .grid-4{ grid-template-columns: repeat(2, 1fr); }
  .grid-6{ grid-template-columns: repeat(3, 1fr); }
  .two-col{ grid-template-columns: 1fr; }
  .milestones{ grid-template-columns: 1fr; }
}

@media (max-width: 640px){
  nav.links{
    display:none;
    position:absolute;
    top:100%; left:0; right:0;
    background: var(--bg-alt);
    border-bottom:1px solid var(--card-border);
    flex-direction:column;
    padding: 12px;
    gap:4px;
  }
  nav.links.open{ display:flex; }
  .menu-toggle{ display:block; }
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; }
  .grid-6{ grid-template-columns: repeat(2,1fr); }
  .team-card{ flex-direction:column; align-items:flex-start; }
  .contact-block{ flex-direction:column; align-items:flex-start; }
}