/* JBS Corp — brand palette (pulled from the live site) + custom component styles.
   Tailwind (via CDN) handles layout/utilities; this file pins exact colors and
   the few interactions Tailwind utilities don't cover. */

:root {
  --navy-900: #1F3767; /* deep navy brand */
  --navy-800: #183B56; /* primary body text / dark UI */
  --blue-700: #0056A7; /* strong blue */
  --blue-600: #1863DC; /* bright royal blue (primary CTA) */
  --cyan-500: #1A92CF; /* primary accent */
  --slate-600: #4E4B66; /* muted secondary text */
  --grey-200: #D0D5D2; /* borders / dividers */
  --ink-900: #212121;
  --accent-orange: #CF531A; /* used sparingly */

  --shadow-card: 0 10px 30px -12px rgba(24, 59, 86, 0.25);
  --shadow-nav: 0 6px 24px -16px rgba(24, 59, 86, 0.45);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Roboto', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--navy-800);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Hero background: white with a subtle navy->cyan geometric wash. */
.hero-bg {
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(26, 146, 207, 0.14), transparent 60%),
    radial-gradient(820px 480px at -5% 10%, rgba(31, 55, 103, 0.08), transparent 55%),
    #ffffff;
}

/* Cyan underline accent on the hero headline keyword. */
.accent-underline {
  position: relative;
  white-space: nowrap;
}
.accent-underline::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 0.28em;
  background: linear-gradient(90deg, var(--cyan-500), rgba(26, 146, 207, 0.35));
  border-radius: 999px;
  z-index: -1;
}

/* Primary button shimmer/lift. */
.btn-primary {
  background: var(--blue-600);
  color: #fff;
  box-shadow: 0 10px 24px -12px rgba(24, 99, 220, 0.65);
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary:hover { background: var(--blue-700); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  border: 1.5px solid var(--grey-200);
  color: var(--navy-800);
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.btn-ghost:hover { border-color: var(--cyan-500); color: var(--cyan-500); }

/* Sticky header: shadow appears once scrolled (toggled in main.js). */
#site-header { transition: box-shadow 0.2s ease, background 0.2s ease; }
#site-header.is-scrolled { box-shadow: var(--shadow-nav); }

/* Desktop dropdown menus. */
.nav-item > .nav-dropdown {
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  box-shadow: var(--shadow-card);
}
.nav-item:hover > .nav-dropdown,
.nav-item:focus-within > .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-link { position: relative; }
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--cyan-500);
  transition: width 0.18s ease;
}
.nav-item:hover .nav-link::after,
.nav-link:hover::after { width: 100%; }

/* Mobile menu slide-in. */
#mobile-menu {
  transform: translateX(100%);
  transition: transform 0.28s ease;
}
#mobile-menu.is-open { transform: translateX(0); }

/* Respect reduced motion. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}