/* Nexora — shared site styles. Design tokens per the site plan §5. */

:root {
  --navy: #0B1F3A;
  --navy-dark: #081527;
  --accent: #2E5C8A;
  --amber: #B8721D;
  --ink: #16202E;
  --muted: #5B6675;
  --line: #E2E6EC;
  --bg: #FBFBFC;
  --card: #FFFFFF;
  --radius: 3px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(84px + env(safe-area-inset-top, 0px));
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

a { color: var(--accent); }
img { max-width: 100%; display: block; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header / nav */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy); color: #fff;
  padding-top: env(safe-area-inset-top, 0px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: 1080px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; }
.brand img { width: 28px; height: 28px; }
.brand span { font-weight: 700; font-size: 1rem; letter-spacing: 0.02em; }

nav.primary { display: flex; align-items: center; gap: 26px; }
nav.primary a {
  color: #C3CEE0; text-decoration: none; font-size: 0.92rem; font-weight: 500;
  margin-right: 26px;
}
nav.primary a:last-of-type { margin-right: 0; }
nav.primary a:hover, nav.primary a.active { color: #fff; }
.btn-cta {
  background: #fff; color: var(--navy) !important; padding: 9px 18px;
  border-radius: 999px; font-weight: 600; font-size: 0.88rem;
}
.btn-cta:hover { background: #E9EEF6; }

.nav-toggle {
  display: none; background: none; border: none; color: #fff; font-size: 1.4rem; cursor: pointer;
}

@media (max-width: 780px) {
  nav.primary { position: fixed; inset: 60px 0 auto 0; background: var(--navy); flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 24px 16px; transform: translateY(-8px); opacity: 0; pointer-events: none; transition: all 0.15s ease; border-bottom: 1px solid rgba(255,255,255,0.1); }
  nav.primary.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  nav.primary a { padding: 10px 0; width: 100%; }
  .btn-cta { margin-top: 6px; }
  .nav-toggle { display: block; }
}

/* Hero */
.hero {
  background: var(--navy); color: #fff; padding: 64px 0 76px;
}
.hero .eyebrow { color: #7FA0CC; font-family: 'IBM Plex Mono', monospace; font-size: 0.85rem; margin-bottom: 14px; }
.hero h1 { font-size: 2.4rem; font-weight: 800; line-height: 1.15; margin: 0 0 18px; max-width: 680px; letter-spacing: -0.01em; }
.hero p.lede { color: #C3CEE0; font-size: 1.1rem; max-width: 560px; margin: 0 0 30px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; }
.hero-visual { position: relative; }
.hero-visual img {
  width: 100%; max-width: 380px; margin: 0 auto; border-radius: 8px;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 260px; margin: 0 auto 8px; }
}

/* Capability / feature image cards */
.feature-media {
  border-radius: var(--radius); overflow: hidden; margin-bottom: 16px;
  border: 1px solid var(--line); height: 230px;
}
.feature-media img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; }
.card.with-media { padding: 0; overflow: hidden; }
.card.with-media .card-body { padding: 20px 22px 22px; }
.card.with-media .feature-media { margin-bottom: 0; border: none; border-bottom: 1px solid var(--line); }

.btn {
  display: inline-block; text-decoration: none; font-weight: 600; font-size: 0.95rem;
  padding: 12px 24px; border-radius: 999px; border: 1px solid transparent;
}
.btn-primary { background: #fff; color: var(--navy); }
.btn-primary:hover { background: #E9EEF6; }
.btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-secondary:hover { border-color: #fff; }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-dark); }

/* Page header (non-home) */
.page-header { background: var(--navy); color: #fff; padding: 52px 0 44px; }
.page-header h1 { font-size: 2rem; font-weight: 800; margin: 0 0 10px; letter-spacing: -0.01em; }
.page-header p { color: #C3CEE0; max-width: 620px; margin: 0; font-size: 1.02rem; }

/* Sections */
main { display: block; }
section.block { padding: 64px 0; border-bottom: 1px solid var(--line); }
section.block:last-of-type { border-bottom: none; }
section.block.tight { padding: 48px 0; }
section.block.alt { background: var(--card); }

.section-head { max-width: 640px; margin: 0 0 36px; }
.section-head .kicker { color: var(--accent); font-family: 'IBM Plex Mono', monospace; font-size: 0.82rem; font-weight: 600; margin-bottom: 8px; }
.section-head h2 { font-size: 1.6rem; font-weight: 700; margin: 0 0 10px; letter-spacing: -0.01em; }
.section-head p { color: var(--muted); margin: 0; font-size: 1.02rem; }

h3 { font-size: 1.1rem; font-weight: 700; margin: 0 0 8px; }
p { margin: 0 0 14px; }
ul { padding-left: 20px; margin: 0 0 14px; }
li { margin-bottom: 6px; }

/* Card grid */
.grid { display: grid; gap: 20px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 780px) { .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; 
}
.card h3 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card .tag { display: inline-block; font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; color: var(--accent); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; margin-bottom: 12px; }

/* Numbered approach list */
.approach { counter-reset: ap; }
.approach .card { display: flex; gap: 16px; align-items: flex-start; }
.approach .card::before {
  counter-increment: ap; content: counter(ap);
  flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%;
  background: var(--navy); color: #fff; font-weight: 700; font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
}

/* CTA band */
.cta-band {
  background: var(--navy); color: #fff; padding: 52px 0; text-align: center;
}
.cta-band h2 { font-size: 1.5rem; margin: 0 0 10px; font-weight: 700; }
.cta-band p { color: #C3CEE0; margin: 0 0 24px; }

/* Contact form */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
@media (max-width: 780px) { .contact-grid { grid-template-columns: 1fr; } }
form.contact-form label { display: block; font-size: 0.85rem; font-weight: 600; margin: 0 0 6px; color: var(--ink); }
form.contact-form input, form.contact-form textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius);
  font-family: inherit; font-size: 0.95rem; margin-bottom: 16px; background: #fff; color: var(--ink);
}
form.contact-form textarea { min-height: 130px; resize: vertical; }
form.contact-form button { cursor: pointer; }
.form-note { font-size: 0.82rem; color: var(--muted); margin-top: 4px; }
.contact-details .item { margin-bottom: 22px; }
.contact-details .item .label { font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem; color: var(--accent); margin-bottom: 4px; }

/* Footer */
footer.site { background: var(--navy-dark); color: #9FB0CB; padding: 40px 0 calc(28px + env(safe-area-inset-bottom, 0px)); font-size: 0.86rem; }
footer.site .foot-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; align-items: center; }
footer.site a { color: #C3CEE0; }
footer.site .foot-brand { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 700; }
footer.site .foot-brand img { width: 20px; height: 20px; }
footer.site .security-note { margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 0.8rem; color: #7A88A0; }

.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 4px; }
.pill { border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-size: 0.8rem; color: var(--muted); }