@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

:root {
  color-scheme: light;
  --bg:         #FAFAFA;
  --bg-card:    #FFFFFF;
  --bg-muted:   #F1F5F9;
  
  --border:     #E2E8F0;
  --border-focus: #3B82F6;
  
  --primary:    #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  
  --success:    #10B981;
  --danger:     #EF4444;
  --warning:    #F59E0B;
  
  --text-main:  #0F172A;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  
  --cws:        #000000;
  --cws-hover:  #333333;
  
  --shadow-sm:  0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  --radius-sm:  0.375rem;
  --radius-md:  0.5rem;
  --radius-lg:  0.75rem;
  --radius-xl:  1rem;
  
  --font:       'Outfit', -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.5;
}

/* ═══════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 200;
  width: 100%;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.top-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.top-nav a:hover, .top-nav a.active {
  color: var(--primary);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0 20px;
  height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.6; pointer-events: none; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 6px 15px rgba(37, 99, 235, 0.2);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  background: var(--bg-muted);
  border-color: #CBD5E1;
}

.btn-cws {
  background: var(--cws);
  color: #fff;
}
.btn-cws:hover {
  background: var(--cws-hover);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.btn-ghost {
  background: transparent;
  color: var(--text-main);
}
.btn-ghost:hover {
  background: var(--bg-muted);
}

.btn.lg {
  height: 52px;
  padding: 0 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn.full { width: 100%; }

/* ═══════════════════════════════════════════
   LAYOUT CONTAINERS
═══════════════════════════════════════════ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-light {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  padding: 40px 0;
  margin-top: 80px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.875rem;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

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

/* ═══════════════════════════════════════════
   TYPOGRAPHY
═══════════════════════════════════════════ */
.heading-xl {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.heading-lg {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.heading-md {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.text-lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 680px;
}

.text-body {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 999px;
  padding: 6px 12px;
  margin-bottom: 1.5rem;
}

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .top-nav { display: none; }
  .top-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    z-index: 100;
    gap: 16px;
    box-shadow: var(--shadow-md);
  }
  .top-actions { display: none; }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-main);
  }
  .nav-toggle-mobile { display: block; }
}

@media (min-width: 769px) {
  .nav-toggle-mobile { display: none; }
}

/* ═══════════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-fade-up {
  opacity: 0;
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }