/* ============================================================
   Vibe Solutions AI — Shared Styles
   ============================================================ */

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

:root {
  --color-white: #FFFFFF;
  --color-bg-light: #F8FAFC;
  --color-bg-hero: #EFF6FF;
  --color-bg-dark: #0F172A;
  --color-border: #E5E7EB;
  --color-border-blue: #BFDBFE;

  --color-text-primary: #111827;
  --color-text-secondary: #374151;
  --color-text-muted: #6B7280;
  --color-text-faint: #9CA3AF;
  --color-text-slate: #94A3B8;
  --color-text-light: #475569;
  --color-text-footer: #F1F5F9;
  --color-text-footer-light: #F9FAFB;

  --color-blue-600: #2563EB;
  --color-blue-700: #1D4ED8;
  --color-blue-400: #60A5FA;
  --color-blue-300: #93C5FD;
  --color-blue-200: #BFDBFE;
  --color-blue-100: #EFF6FF;
  --color-blue-50: #DBEAFE;

  --color-dark-border: #1E293B;
  --color-dark-mid: #0F172A;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --shadow-card: 0 4px 20px rgba(30, 41, 59, 0.08);
  --shadow-btn: 0 4px 12px rgba(0, 0, 0, 0.2);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text-primary);
  background: var(--color-white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

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

/* ============================================================
   NAVIGATION — shared
   ============================================================ */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 64px;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo-box {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #3B82F6, #1D4ED8);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-logo-box span {
  color: var(--color-white);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.nav-wordmark {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.nav-ai {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-blue-600);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--color-blue-600);
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--color-blue-600);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background 0.2s, transform 0.1s;
}

.nav-btn:hover {
  background: var(--color-blue-700);
  transform: translateY(-1px);
}

.nav-btn-dark {
  background: #111827;
  padding: 10px 18px;
  font-size: 13px;
}

.nav-btn-dark:hover {
  background: #1f2937;
}

/* ============================================================
   BADGE — pill label
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--color-blue-100);
  border: 1px solid var(--color-blue-200);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-blue-700);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-blue-600);
  border-radius: 50%;
  flex-shrink: 0;
}

.section-label {
  display: inline-flex;
  padding: 5px 14px;
  background: var(--color-blue-100);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-blue-600);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ============================================================
   FOOTER — shared
   ============================================================ */

.footer {
  background: var(--color-bg-dark);
  padding: 48px 64px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  width: 100%;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 280px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo-box {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, #3B82F6, #1D4ED8);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer-logo-box span {
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
}

.footer-wordmark {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-footer);
}

.footer-ai {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-blue-400);
}

.footer-tagline {
  font-size: 14px;
  color: var(--color-text-slate);
  line-height: 1.6;
}

.footer-links-group {
  display: flex;
  gap: 48px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-hdr {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-footer);
}

.footer-col a {
  font-size: 13px;
  color: var(--color-text-slate);
  transition: color 0.2s;
}

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

.footer-col .footer-col-faint {
  font-size: 13px;
  color: #475569;
}

.footer-divider {
  height: 1px;
  background: var(--color-dark-border);
  width: 100%;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.footer-copy {
  font-size: 13px;
  color: var(--color-text-light);
}

.footer-bottom-link {
  font-size: 13px;
  color: var(--color-blue-400);
  transition: color 0.2s;
}

.footer-bottom-link:hover {
  color: var(--color-blue-300);
}

/* ============================================================
   UTILITIES
   ============================================================ */

.text-center { text-align: center; }
.w-full { width: 100%; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .nav { padding: 0 32px; }
  .footer { padding: 48px 32px; }
}

@media (max-width: 768px) {
  .nav {
    padding: 0 20px;
    height: 60px;
  }
  .nav-links {
    gap: 16px;
  }
  .nav-link { display: none; }
  .footer {
    padding: 40px 20px;
  }
  .footer-top {
    flex-direction: column;
    gap: 32px;
  }
  .footer-brand { width: 100%; }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}