/* =========================================
   FORCEOS — Workforce Intelligence
   Theme CSS
   ========================================= */

/* --- Tokens --- */
:root {
  --bg:          #0F1623;
  --bg-2:        #131C2E;
  --bg-card:     #161E2D;
  --fg:          #E8ECF1;
  --fg-2:        #8A9AB5;
  --fg-3:        #5A6A85;
  --accent:      #3B82F6;
  --accent-dim:  rgba(59,130,246,0.12);
  --amber:       #F59E0B;
  --amber-dim:   rgba(245,158,11,0.15);
  --border:      rgba(255,255,255,0.06);
  --radius:      8px;
  --radius-lg:   16px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'Fraunces', serif; font-weight: 600; line-height: 1.2; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Layout --- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 32px; }

/* --- Nav --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,22,35,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.nav-links { display: flex; gap: 32px; }
.nav-link { color: var(--fg-2); font-size: 0.875rem; font-weight: 500; transition: color 0.2s; }
.nav-link:hover { color: var(--fg); }
.nav-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 8px 20px;
  border-radius: 100px;
  transition: background 0.2s, color 0.2s;
}
.nav-cta:hover { background: var(--accent); color: #fff; }

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-inner { padding: 0 20px; }
}

/* --- Section label --- */
.section-label {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-intro {
  color: var(--fg-2);
  font-size: 1.1rem;
  max-width: 540px;
  margin-bottom: 56px;
}

/* --- Hero --- */
.hero {
  padding: 100px 0 80px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-2);
  margin-bottom: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 100px;
}
.label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.hero-headline {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-accent {
  font-style: italic;
  color: var(--amber);
  font-weight: 400;
}
.hero-sub {
  font-size: 1.25rem;
  color: var(--fg-2);
  max-width: 520px;
  line-height: 1.6;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; align-items: center; margin-bottom: 64px; }
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 8px;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-ghost {
  color: var(--fg-2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.btn-ghost:hover { color: var(--fg); }
.hero-stats {
  display: flex;
  gap: 40px;
  align-items: center;
  padding: 24px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: fit-content;
}
.stat { display: flex; flex-direction: column; }
.stat-value { font-family: 'Fraunces', serif; font-size: 1.75rem; font-weight: 700; color: var(--fg); }
.stat-label { font-size: 0.8rem; color: var(--fg-3); font-weight: 500; margin-top: 2px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

@media (max-width: 640px) {
  .hero { padding: 64px 0 56px; }
  .hero-inner { padding: 0 20px; }
  .hero-headline { font-size: 2.8rem; }
  .hero-stats { flex-direction: column; gap: 20px; padding: 20px 24px; }
  .stat-divider { width: 40px; height: 1px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}

/* --- Proof Bar --- */
.proof-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  padding: 20px 0;
}
.proof-bar .proof-bar-inner,
.proof-bar > .proof-bar-inner,
.proof-items {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.proof-label {
  font-size: 0.8rem;
  color: var(--fg-3);
  font-weight: 500;
  margin-right: 32px;
  white-space: nowrap;
}
.proof-items { display: flex; align-items: center; gap: 20px; }
.proof-item { font-size: 0.875rem; color: var(--fg-2); font-weight: 500; }
.proof-sep { width: 4px; height: 4px; border-radius: 50%; background: var(--fg-3); }

/* --- Problem --- */
.problem { padding: 100px 0; }
.problem-inner { max-width: 1100px; margin: 0 auto; padding: 0 32px; }
.problem-headline {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 56px;
  max-width: 600px;
}
.problem-accent { color: var(--fg-2); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color 0.3s;
}
.problem-card:hover { border-color: rgba(59,130,246,0.3); }
.problem-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.problem-card h4 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}
.problem-card p { color: var(--fg-2); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px; }
.problem-stat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--amber);
  background: var(--amber-dim);
  padding: 4px 10px;
  border-radius: 100px;
}

@media (max-width: 768px) {
  .problem { padding: 64px 0; }
  .problem-inner { padding: 0 20px; }
  .problem-grid { grid-template-columns: 1fr; }
}

/* --- How It Works --- */
.how { padding: 100px 0; background: var(--bg-2); }
.how-inner { max-width: 1100px; margin: 0 auto; padding: 0 32px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; margin-bottom: 48px; }
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 28px;
  border-radius: var(--radius);
  position: relative;
}
.step-num {
  font-family: 'Fraunces', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg-3);
  margin-bottom: 16px;
  opacity: 0.5;
}
.step-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  background: var(--amber-dim);
  padding: 3px 8px;
  border-radius: 100px;
  margin-bottom: 8px;
}
.step-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}
.step-desc { color: var(--fg-2); font-size: 0.875rem; line-height: 1.6; }
.step-integrations {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.step-integrations span {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--fg-3);
  background: var(--bg-2);
  padding: 3px 8px;
  border-radius: 100px;
  border: 1px solid var(--border);
}
.how-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--fg-2);
}
.text-link { color: var(--accent); font-weight: 600; transition: opacity 0.2s; }
.text-link:hover { opacity: 0.8; }

@media (max-width: 768px) {
  .how { padding: 64px 0; }
  .how-inner { padding: 0 20px; }
  .steps { grid-template-columns: 1fr; }
}

/* --- Outcomes --- */
.outcomes { padding: 80px 0; background: var(--bg); }
.outcomes-inner { max-width: 1100px; margin: 0 auto; padding: 0 32px; }
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 48px;
}
.outcome {
  background: var(--bg-card);
  padding: 40px 32px;
  text-align: center;
}
.outcome-value {
  font-family: 'Fraunces', serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}
.outcome-context { font-size: 0.95rem; font-weight: 600; color: var(--fg); margin-bottom: 6px; }
.outcome-compare { font-size: 0.8rem; color: var(--fg-3); }

@media (max-width: 768px) {
  .outcomes { padding: 64px 0; }
  .outcomes-inner { padding: 0 20px; }
  .outcomes-grid { grid-template-columns: repeat(2, 1fr); }
  .outcome { padding: 28px 20px; }
  .outcome-value { font-size: 2.4rem; }
}

/* --- Capabilities --- */
.capabilities { padding: 100px 0; background: var(--bg-2); }
.cap-inner { max-width: 1100px; margin: 0 auto; padding: 0 32px; }
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.cap-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: border-color 0.3s;
}
.cap-card--featured {
  border-color: rgba(59,130,246,0.4);
  background: linear-gradient(180deg, rgba(59,130,246,0.06) 0%, var(--bg-card) 100%);
}
.cap-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.cap-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}
.cap-desc { color: var(--fg-2); font-size: 0.875rem; line-height: 1.6; margin-bottom: 20px; }
.cap-features { display: flex; flex-direction: column; gap: 8px; }
.cap-features li {
  font-size: 0.8rem;
  color: var(--fg-2);
  padding-left: 16px;
  position: relative;
}
.cap-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}
.cap-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 100px;
}

@media (max-width: 768px) {
  .capabilities { padding: 64px 0; }
  .cap-inner { padding: 0 20px; }
  .cap-grid { grid-template-columns: 1fr; }
}

/* --- Closing --- */
.closing {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
  text-align: center;
}
.closing-inner { max-width: 700px; margin: 0 auto; padding: 0 32px; }
.closing-headline {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 20px;
  line-height: 1.25;
}
.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-2);
  margin-bottom: 24px;
  line-height: 1.6;
}
.closing-meta {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 32px;
}
.closing-note {
  font-size: 0.8rem;
  color: var(--fg-3);
}

@media (max-width: 640px) {
  .closing { padding: 64px 0; }
  .closing-inner { padding: 0 20px; }
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  background: var(--bg);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand { display: flex; flex-direction: column; gap: 4px; }
.footer-logo {
  font-family: 'Fraunces', serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
}
.footer-tagline { font-size: 0.75rem; color: var(--fg-3); }
.footer-links { display: flex; gap: 32px; }
.footer-links a { font-size: 0.875rem; color: var(--fg-2); transition: color 0.2s; }
.footer-links a:hover { color: var(--fg); }

@media (max-width: 640px) {
  .footer-inner { padding: 0 20px; flex-direction: column; gap: 20px; text-align: center; }
  .footer-links { gap: 20px; flex-wrap: wrap; justify-content: center; }
}