/* ── Design Tokens ─────────────────────────────────────────────────────
   Industrial-logistics direction: steel-blue + safety-yellow (a nod to
   moving-crew hi-vis straps), grid-based — efficient and trustworthy,
   vs. the original green gradient/table layout. */
:root {
  --color-navy: #16263b;
  --color-navy-soft: #24395a;
  --color-bg: #eef2f5;
  --color-surface: #ffffff;
  --color-accent: #f4c11d;        /* safety yellow */
  --color-text-muted: #5b6776;

  --font-heading: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'Source Sans 3', Arial, sans-serif;

  --max-width: 72rem;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  --radius: 3px;
  --shadow-soft: 0 10px 26px rgba(22, 38, 59, 0.14);
}

/* ── Reset ──────────────────────────────────────────────────────────── */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-navy);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3 { font-family: var(--font-heading); font-weight: 700; line-height: 1.15; }

/* ── Utilities ──────────────────────────────────────────────────────── */
.container { width: 100%; max-width: var(--max-width); margin-inline: auto; padding-inline: var(--space-md); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.9rem;
  border-radius: var(--radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn--primary { background: var(--color-accent); color: var(--color-navy); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal--in { opacity: 1; transform: translateY(0); }

/* ── Demo Banner ──────────────────────────────────────────────────────── */
.demo-banner {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--color-navy);
  color: #fff;
  text-align: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  z-index: 9999;
  border-top: 2px solid var(--color-accent);
}
.demo-banner a { color: var(--color-accent); text-decoration: underline; }

/* ── Navigation ─────────────────────────────────────────────────────── */
.nav { position: sticky; top: 0; z-index: 100; background: var(--color-navy); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; padding-block: var(--space-sm); }
.nav__brand { font-family: var(--font-heading); font-size: 1.25rem; color: #fff; }
.nav__links { display: flex; gap: var(--space-md); font-weight: 600; font-size: 0.9rem; }
.nav__link { color: #fff; position: relative; padding-bottom: 0.25rem; }
.nav__link::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--color-accent); transition: width 0.25s ease; /* grows on hover/active */
}
.nav__link:hover::after, .nav__link--active::after { width: 100%; }

/* ── Hero ───────────────────────────────────────────────────────────── */
.hero { position: relative; padding-block: var(--space-xl) var(--space-lg); background: var(--color-navy); color: #fff; overflow: hidden; }
.hero__grid {
  /* faint grid lines — logistics/blueprint motif, purely decorative */
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--color-navy-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-navy-soft) 1px, transparent 1px);
  background-size: 3rem 3rem;
  opacity: 0.4;
}
.hero__bar {
  /* safety-yellow corner block, asymmetric placement */
  position: absolute; top: 0; right: 0;
  width: 0.6rem; height: 100%;
  background: var(--color-accent);
}
.hero__inner { position: relative; max-width: 36rem; }
.hero__eyebrow { display: inline-block; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.78rem; color: var(--color-accent); margin-bottom: var(--space-sm); }
.hero__title { font-size: clamp(2.4rem, 5.5vw, 3.8rem); margin-bottom: var(--space-sm); animation: hero-in 0.8s ease both; }
.hero__subtitle { font-size: 1.1rem; color: #c7d0db; max-width: 30rem; margin-bottom: var(--space-md); }
@keyframes hero-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* ── Cards ──────────────────────────────────────────────────────────── */
.services { padding-block: var(--space-lg); }
.section-title { font-size: 2rem; margin-bottom: var(--space-md); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: var(--space-md); }
.card { background: var(--color-surface); padding: var(--space-md); border-radius: var(--radius); border-top: 4px solid var(--color-accent); transition: transform 0.25s ease, box-shadow 0.25s ease; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.card__title { font-size: 1.15rem; margin-bottom: 0.4rem; }
.card__text { color: var(--color-text-muted); font-size: 0.95rem; }

/* ── About / split ──────────────────────────────────────────────────── */
.about { padding-block: var(--space-lg); background: var(--color-surface); }
.about__inner { display: grid; grid-template-columns: 1fr; gap: var(--space-md); }
@media (min-width: 48rem) { .about__inner { grid-template-columns: 1fr 1fr; align-items: center; } }
.about__visual { aspect-ratio: 4 / 3; border-radius: var(--radius); background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-soft) 100%); position: relative; }
.about__visual::after {
  /* yellow corner tab echoing the hero bar, ties the two sections together */
  content: ''; position: absolute; top: 0; left: 0; width: 0.6rem; height: 40%;
  background: var(--color-accent);
}

/* ── Pricing ────────────────────────────────────────────────────────── */
.pricing { padding-block: var(--space-lg); }
.pricing__table { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); }
.pricing__table th, .pricing__table td { text-align: left; padding: 0.9rem var(--space-sm); border-bottom: 1px solid var(--color-bg); }
.pricing__table th { font-family: var(--font-heading); background: var(--color-navy); color: #fff; }

/* ── Contact / Footer ───────────────────────────────────────────────── */
.contact { padding-block: var(--space-lg); background: var(--color-navy-soft); color: #fff; }
.contact .section-title { color: #fff; }
.contact__grid { display: grid; gap: var(--space-sm); grid-template-columns: 1fr; }
@media (min-width: 40rem) { .contact__grid { grid-template-columns: repeat(3, 1fr); } }
.contact__item dt { font-family: var(--font-heading); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-accent); margin-bottom: 0.25rem; }
.footer { padding: var(--space-md); text-align: center; font-size: 0.85rem; color: var(--color-text-muted); padding-bottom: 4.5rem; }