/* ─────────────────────────────────────────
   Virtual Labor Force — Design System
   Color Palette: Clean Modern Tech
   Tone: Inspirational and Visionary
───────────────────────────────────────── */

/* DESIGN TOKENS */
:root {
  --color-bg:          #ffffff;
  --color-bg-soft:     #f4f6f9;
  --color-bg-dark:     #0a0f1e;
  --color-primary:     #0057ff;
  --color-primary-dark:#0040cc;
  --color-accent:      #00c2ff;
  --color-text:        #1a1a2e;
  --color-text-soft:   #5a6478;
  --color-border:      #e2e8f0;
  --color-white:       #ffffff;

  --font-main:   'Inter', 'Segoe UI', sans-serif;
  --font-mono:   'JetBrains Mono', 'Courier New', monospace;

  --radius:      8px;
  --shadow:      0 4px 24px rgba(0, 87, 255, 0.08);
  --transition:  all 0.2s ease;

  --max-width:   1100px;
  --section-pad: 80px 24px;
}

/* RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

/* LAYOUT */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-pad);
}

.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.section--soft {
  background: var(--color-bg-soft);
}

/* NAVIGATION */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px;
}

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

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  letter-spacing: -0.3px;
}

.nav-logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-soft);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--color-primary);
}

/* HERO */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
  background: var(--color-bg);
}

.hero-tag {
  display: inline-block;
  background: rgba(0, 87, 255, 0.08);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  max-width: 800px;
  margin: 0 auto 24px;
}

.hero h1 span {
  color: var(--color-primary);
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-soft);
  max-width: 600px;
  margin: 0 auto 40px;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* CARDS */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card p {
  color: var(--color-text-soft);
  font-size: 0.95rem;
}

/* SECTION HEADINGS */
.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-sub {
  color: var(--color-text-soft);
  font-size: 1.05rem;
  max-width: 580px;
}

/* FOOTER */
footer {
  background: var(--color-bg-dark);
  color: var(--color-white);
  padding: 48px 24px;
  text-align: center;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-logo span {
  color: var(--color-accent);
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  list-style: none;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-copy {
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
}

/* UTILITY */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-48 { margin-top: 48px; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding: 60px 24px;
  }

  .btn-group {
    flex-direction: column;
    align-items: center;
  }
}
/* TPN callout responsive fix */
@media (max-width: 768px) {
  [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}