/* ============================================================
   INSIGHTBRIDGE — PUBLIC WEBSITE STYLES
   ============================================================ */
:root {
  --navy: #1863DC;
  --navy-light: #21759b;
  --gold: #1863DC;
  --gold-light: #2575e8;
  --white: #ffffff;
  --off-white: #f4f4f4;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #dddfe3;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #212121;
  --gray-900: #060606;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --info: #1863DC;
  --radius: 12px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-sans); color: var(--gray-800); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* ---- NAVBAR ---- */
.site-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 0 48px; height: 72px; display: flex; align-items: center; justify-content: space-between; background: var(--white); backdrop-filter: blur(12px); border-bottom: 1px solid var(--gray-200); box-shadow: 0 1px 3px rgba(0,0,0,0.04); }
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-brand .brand-text { font-family: var(--font-sans); font-size: 22px; font-weight: 700; color: var(--navy); letter-spacing: -0.5px; }
.nav-brand .brand-accent { color: var(--navy); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--navy); font-size: 14px; font-weight: 500; transition: color 0.2s; letter-spacing: 0.3px; }
.nav-links a:hover, .nav-links a.active { color: var(--navy-light); }
.nav-cta { padding: 9px 24px; background: var(--navy); color: var(--white); border-radius: 8px; font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px; transition: all 0.2s; border: none; cursor: pointer; }
.nav-cta:hover { background: var(--navy-light); transform: translateY(-1px); }

/* ---- HERO ---- */
.hero { min-height: 100vh; display: flex; align-items: center; background: linear-gradient(135deg, #1863DC 0%, #2575e8 50%, #21759b 100%); position: relative; overflow: hidden; padding-top: 72px; }
.hero::before { content: ''; position: absolute; top: -50%; right: -30%; width: 80%; height: 200%; background: radial-gradient(ellipse, rgba(255,255,255,0.08) 0%, transparent 60%); }
.hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 120px; background: linear-gradient(transparent, rgba(24,99,220,0.2)); }
.hero-inner { max-width: 1200px; margin: 0 auto; padding: 80px 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.3); border-radius: 24px; font-size: 12px; color: var(--white); font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 24px; }
.hero h1 { font-family: var(--font-sans); font-size: 52px; font-weight: 800; color: var(--white); line-height: 1.15; letter-spacing: -1px; margin-bottom: 20px; }
.hero h1 .gold { color: var(--white); }
.hero .hero-sub { font-size: 18px; color: rgba(255,255,255,0.85); line-height: 1.7; margin-bottom: 36px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; }
.btn-hero { padding: 14px 32px; border-radius: 10px; font-size: 15px; font-weight: 700; border: none; cursor: pointer; transition: all 0.2s; }
.btn-hero-primary { background: var(--white); color: var(--navy); }
.btn-hero-primary:hover { background: #f0f0f0; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }
.btn-hero-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.4); }
.btn-hero-outline:hover { border-color: var(--white); color: var(--white); background: rgba(255,255,255,0.1); }
.hero-visual { position: relative; }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hero-stat-card { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: 16px; padding: 28px; backdrop-filter: blur(10px); }
.hero-stat-card .num { font-size: 36px; font-weight: 800; color: var(--white); font-family: var(--font-sans); }
.hero-stat-card .lbl { font-size: 13px; color: rgba(255,255,255,0.7); margin-top: 4px; }
.hero-stat-card.featured { grid-column: span 2; background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.25); }

/* ---- SECTIONS ---- */
.section { padding: 100px 48px; max-width: 1200px; margin: 0 auto; background: var(--white); }
.section-dark { background: var(--gray-900); }
.section-gray { background: var(--off-white); }
.section-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--navy); margin-bottom: 12px; }
.section-title { font-family: var(--font-sans); font-size: 38px; font-weight: 700; color: var(--gray-900); line-height: 1.2; margin-bottom: 16px; letter-spacing: -0.5px; }
.section-title.white { color: var(--white); }
.section-sub { font-size: 16px; color: var(--gray-500); max-width: 600px; line-height: 1.7; }
.section-sub.white { color: rgba(255,255,255,0.7); }

/* ---- SERVICES GRID ---- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.service-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 16px; padding: 32px; transition: all 0.3s; box-shadow: 0 1px 4px rgba(0,0,0,0.05); }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 3px 15px rgba(0,0,0,0.12); border-color: var(--navy); }
.service-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 20px; background: linear-gradient(135deg, #1863DC, #21759b); color: var(--white); }
.service-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--gray-900); }
.service-card p { font-size: 14px; color: var(--gray-500); line-height: 1.6; }

/* ---- PROCESS ---- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 48px; }
.process-step { text-align: center; position: relative; }
.process-step .step-num { width: 56px; height: 56px; border-radius: 50%; background: var(--navy); color: var(--white); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; margin: 0 auto 16px; }
.process-step h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--gray-900); }
.process-step p { font-size: 13px; color: var(--gray-500); }

/* ---- TRUST BAR ---- */
.trust-bar { padding: 48px; background: var(--white); border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); }
.trust-inner { max-width: 1200px; margin: 0 auto; display: flex; justify-content: center; align-items: center; gap: 64px; }
.trust-item { text-align: center; }
.trust-item .num { font-size: 28px; font-weight: 800; color: var(--navy); font-family: var(--font-sans); }
.trust-item .lbl { font-size: 12px; color: var(--gray-500); text-transform: uppercase; letter-spacing: 1px; margin-top: 2px; }

/* ---- FOOTER ---- */
.site-footer { background: var(--gray-900); padding: 60px 48px 32px; color: rgba(255,255,255,0.6); }
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.footer-brand { font-family: var(--font-sans); font-size: 20px; color: var(--white); margin-bottom: 12px; }
.footer-brand span { color: var(--navy); }
.footer-col h4 { color: var(--white); font-size: 13px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,0.5); font-size: 14px; margin-bottom: 10px; transition: color 0.2s; }
.footer-col a:hover { color: var(--navy); }
.footer-bottom { max-width: 1200px; margin: 32px auto 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 12px; color: rgba(255,255,255,0.4); display: flex; justify-content: space-between; }

/* ---- TOAST ---- */
#toast-container { position: fixed; top: 80px; right: 24px; z-index: 10000; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 14px 20px; border-radius: 10px; font-size: 13px; font-weight: 500; color: var(--white); box-shadow: 0 8px 32px rgba(0,0,0,0.2); animation: slideIn 0.3s ease; min-width: 300px; display: flex; align-items: center; gap: 10px; }
.toast-success { background: var(--success); }
.toast-warning { background: var(--warning); }
.toast-danger { background: var(--danger); }
.toast-info { background: var(--info); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ---- RESPONSIVE ---- */
@media (max-width: 968px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 36px; }
  .services-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .site-nav { padding: 0 24px; }
  .section { padding: 60px 24px; }
}