:root {
  --ocean-cyan: #00B7C2;
  --midnight-navy: #071A2E;
  --accent-orange: #FF7A00; /* Use sparingly */
  --clay: #B47C57;
  --mist: #F3F6F9;
  --carbon: #1E222A;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--mist);
  color: var(--carbon);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container { width: 90%; max-width: 1100px; margin: auto; padding: 2rem 0; }

.header, .footer {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--midnight-navy); color: #fff; padding: 1rem 2rem;
}

.header nav a, .footer a { color: #fff; margin-left: 1rem; text-decoration: none; }
.header nav a:focus, .header nav a:hover { text-decoration: underline; }

.logo { font-weight: 800; letter-spacing: 1px; }

.hero {
  text-align: center; padding: 5rem 2rem;
  background: var(--ocean-cyan); color: #fff;
}

.hero h1 { font-size: clamp(2rem, 3.5vw, 3rem); line-height: 1.2; }

.cta-buttons { margin-top: 2rem; display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

.btn {
  padding: 0.8rem 1.2rem; border-radius: 8px; text-decoration: none; display: inline-block;
  font-weight: 600; border: 2px solid transparent;
}

.btn.primary { background: var(--accent-orange); color: #fff; }
.btn.primary:focus { outline: 3px solid #fff; outline-offset: 2px; }

.btn.secondary { background: #fff; color: var(--ocean-cyan); border-color: var(--ocean-cyan); }
.btn.secondary:focus { outline: 3px solid var(--ocean-cyan); outline-offset: 2px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; margin-top: 1rem; }

.card {
  padding: 1.25rem; background: #fff; border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.socials a { margin-right: 1rem; color: var(--ocean-cyan); }

.visually-hidden {
  position: absolute !important; height: 1px; width: 1px; overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; clip-path: inset(50%); border: 0; padding: 0; margin: -1px;
}

h1, h2, h3 { color: #0f1926; }

/* Skip link visible on focus */
.visually-hidden:focus {
  position: fixed !important; top: 0; left: 0; right: 0; height: auto; width: auto; margin: 0;
  clip: auto; clip-path: none; padding: .5rem 1rem; background: var(--midnight-navy); color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}

/* Layout rhythm */
:root {
  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --radius: 10px;
  --shadow-1: 0 2px 8px rgba(0,0,0,.06);
  --shadow-2: 0 8px 24px rgba(7,26,46,.18);
}

/* Sticky header polish */
.header { position: sticky; top: 0; z-index: 10; box-shadow: 0 1px 0 rgba(0,0,0,.06); }
.nav-link[aria-current="page"] { text-decoration: underline; text-underline-offset: 6px; }

/* Hero overlay + width constraint */
.hero { position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,26,46,.28), rgba(7,26,46,.18));
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 800px; margin: 0 auto; }
.subhead { margin-top: .75rem; font-size: clamp(1.05rem, 1.2vw, 1.15rem); opacity: .95; }

/* Chips (Assess/Pilot/Scale) */
.chips { display: flex; gap: .5rem; margin-top: 1rem; justify-content: center; flex-wrap: wrap; }
.chip {
  background: #fff; color: var(--ocean-cyan); border: 2px solid var(--ocean-cyan);
  padding: .35rem .65rem; border-radius: 999px; font-weight: 600; font-size: .9rem;
}

/* Cards + hover */
.card, .app-card { transition: transform .15s ease, box-shadow .15s ease; }
.card:hover, .app-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }

/* Apps grid */
.apps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--space-2); margin-top: var(--space-2); }
.app-card { display: flex; align-items: center; gap: var(--space-2); background: #fff; border-radius: var(--radius); padding: var(--space-2); box-shadow: var(--shadow-1); text-decoration: none; color: inherit; }
.app-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--midnight-navy); color: #fff; display: grid; place-items: center; font-weight: 800; }

/* Sectors strip (chips) */
.chip-row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.chip { --bd: var(--ocean-cyan); display: inline-flex; align-items: center; gap: .4rem; padding: .4rem .7rem; border-radius: 999px; font-weight: 700; font-size: .9rem; border: 2px solid var(--bd); }
.chip.solid { background: #fff; color: var(--ocean-cyan); }
.chip.outline { background: transparent; color: var(--ocean-cyan); }

/* Wins strip */
.wins-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-2); margin-top: var(--space-2); }
.wins-row li { list-style: none; background: #fff; border-radius: var(--radius); padding: var(--space-2); box-shadow: var(--shadow-1); }
.wins-row strong { color: var(--ocean-cyan); }

/* Buttons: stronger states */
.btn { transition: transform .05s ease, box-shadow .1s ease, background-color .1s ease, color .1s ease; }
.btn:hover { box-shadow: var(--shadow-2); transform: translateY(-1px); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-1); }

/* Focus visibility across the site */
:focus-visible { outline: 3px solid #ffffff; outline-offset: 2px; }
.nav-link:focus-visible { outline-color: var(--accent-orange); }

/* Section spacing tuning */
section.container + section.container { margin-top: var(--space-4); }