/* ==========================================================================
   FutureCertLabs - Modern SaaS Global Styles
   Theme: Vibrant Orange + Crisp White
   Typography: Plus Jakarta Sans
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Modern Colors */
  --primary: #f97316;       /* Vibrant Orange */
  --primary-light: #fb923c;
  --primary-dark: #ea580c;
  --secondary: #f43f5e;     /* Rose Accent */
  
  --background: #f8fafc;    /* Very light slate/blue tint for background */
  --surface: #ffffff;
  
  --text-main: #0f172a;     /* Very dark slate for sharp contrast */
  --text-muted: #64748b;
  
  --border: #e2e8f0;
  
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* Typography */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  
  /* Modern Soft Shadows (Tinted) */
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 24px -4px rgba(249, 115, 22, 0.12);
  --shadow-hover: 0 20px 40px -8px rgba(249, 115, 22, 0.2);

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--background);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
}

.section-title {
  text-align: center;
  font-size: 3rem;
  margin-bottom: 4rem;
  letter-spacing: -0.03em;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-cols-4, .grid-cols-3, .grid-cols-2 { grid-template-columns: 1fr; }
  .section-title { font-size: 2.25rem; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.4);
  color: white;
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  border-color: var(--primary);
  background-color: rgba(249, 115, 22, 0.05);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.03);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.card:hover::before {
  opacity: 1;
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  background-color: rgba(249, 115, 22, 0.1);
  color: var(--primary);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  transition: var(--transition);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 5rem;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.02em;
}

.nav-brand svg {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-main);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 5rem;
    left: 0;
    width: 100%;
    background: var(--surface);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--border);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
}

/* Footer */
.footer {
  background-color: #0B0F19; /* Very dark, premium modern footer */
  color: white;
  padding: 5rem 0 2rem;
  border-top: 1px solid #1e293b;
}

.footer p, .footer a {
  color: #94a3b8;
  font-size: 0.95rem;
}

.footer a:hover {
  color: white;
}

.footer h3, .footer h4 {
  color: white;
  margin-bottom: 1.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  margin-top: 4rem;
  padding-top: 2rem;
  text-align: center;
}

/* Inputs */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--surface);
  color: var(--text-main);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.1);
}

/* Gradient Text Utility */
.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}