/* 
 * Premium Components (Buttons, Cards, Forms, Headers)
 */

/* 1. Buttons (Micro-animations and subtle glows) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-default);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  outline: none;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: linear-gradient(180deg, hsl(var(--color-primary-blue-h), var(--color-primary-blue-s), calc(var(--color-primary-blue-l) + 5%)) 0%, var(--color-primary-blue) 100%);
  color: var(--color-white);
  border-color: hsla(var(--color-primary-blue-h), var(--color-primary-blue-s), 40%, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -4px hsla(var(--color-primary-blue-h), var(--color-primary-blue-s), var(--color-primary-blue-l), 0.35);
  filter: brightness(1.05);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-white);
  border-color: hsl(220, 20%, 76%); /* Darkened slightly for cleaner visibility */
  color: var(--color-primary-dark);
}

.btn-secondary:hover {
  background: hsl(220, 30%, 97%);
  border-color: hsla(var(--color-primary-blue-h), 20%, 60%, 1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* 2. Minimalist SaaS Cards (Removed glassmorphism as per B2B guidelines) */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-default);
  padding: 40px var(--space-lg); /* More breathing room */
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary-blue), var(--color-secondary-teal));
  opacity: 0;
  transition: var(--transition-smooth);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  background: rgba(255, 255, 255, 0.9);
  border-color: hsla(var(--color-primary-blue-h), 90%, 50%, 0.1);
}

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

/* 3. Sticky Glassmorphic Header Navigation */
.site-header {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-smooth);
}

.portal-login-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
  margin-right: var(--space-sm);
}

.portal-login-link:hover {
  color: var(--color-primary-blue);
}

.site-header.header-scrolled {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-md);
  height: 64px;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  transition: var(--transition-smooth);
}

.header-scrolled .site-header-inner {
  height: 64px;
}

/* Header primary CTA size adjustment (+12% per B2B guidelines) */
.site-header .btn-primary {
  transform: scale(1.12);
  transform-origin: right center;
}

.site-header .btn-primary:hover {
  transform: scale(1.15) translateY(-1px);
}

/* Menu links navigation styling */
.menu-toggle {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  padding: 10px;
  cursor: pointer;
  display: none;
  border-radius: var(--radius-default);
  transition: var(--transition-fast);
  align-items: center;
  justify-content: center;
}

.menu-toggle:hover {
  background: rgba(0, 0, 0, 0.02);
  border-color: var(--color-primary-blue);
}

.main-navigation ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-md);
  transition: var(--transition-smooth);
}

.main-navigation a {
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text-main);
  padding: 8px 12px;
  border-radius: var(--radius-default);
  transition: var(--transition-fast);
}

.main-navigation a:hover {
  background: hsla(var(--color-primary-blue-h), 90%, 50%, 0.04);
  color: var(--color-primary-blue);
}

/* Dropdown submenus */
.main-navigation ul li {
  position: relative;
}

.main-navigation .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-default);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xs) 0;
  margin-top: var(--space-xs);
  flex-direction: column;
  gap: 0;
  z-index: 1020;
}

/* Show sub-menu on hover or keyboard focus */
.main-navigation ul li:hover > .sub-menu,
.main-navigation ul li.focus > .sub-menu {
  display: flex;
}

.main-navigation .sub-menu li a {
  display: block;
  padding: 8px 16px;
  font-weight: 500;
  border-radius: 0;
}

.main-navigation .sub-menu li a:hover {
  background: hsla(var(--color-primary-blue-h), 90%, 50%, 0.05);
}

/* Mobile dropdown submenu handling */
@media (max-width: 768px) {
  .main-navigation .sub-menu {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding-left: var(--space-md);
    margin-top: 0;
  }

  .main-navigation ul li:hover > .sub-menu,
  .main-navigation ul li.focus > .sub-menu {
    display: block;
  }
}



/* 4. Elegant Inputs / Forms */
.form-input {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-default);
  background: rgba(255, 255, 255, 0.6);
  font-family: inherit;
  font-size: var(--text-sm);
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  background: var(--color-white);
  border-color: var(--color-primary-blue);
  box-shadow: 0 0 0 4px hsla(var(--color-primary-blue-h), 90%, 50%, 0.1);
}

/* Site Branding Logo Text styling */
.site-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
}

.site-title a {
  color: var(--color-primary-dark);
}

.site-title a:hover {
  color: var(--color-primary-blue);
}

/* Call to Action Section and variants */
.cta-section {
  background: var(--color-primary-dark);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.cta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 80% 80%, hsla(var(--color-primary-blue-h), 90%, 30%, 0.3) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  z-index: 1;
}

.cta-title {
  color: var(--color-white);
  font-size: var(--text-4xl);
  font-weight: 850;
  letter-spacing: -0.03em;
}

.cta-subtitle {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-lg);
  max-width: 50ch;
}

/* Specific CTA button adjustments */
.btn-white {
  background: var(--color-white);
  color: var(--color-primary-dark);
  border-color: var(--color-white);
}

.btn-white:hover {
  background: hsl(220, 30%, 97%);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

/* Integrated Header Highlight capsules */
.heading-highlight {
  background: hsla(var(--color-primary-blue-h), 90%, 50%, 0.045);
  border: 1px solid hsla(var(--color-primary-blue-h), 90%, 50%, 0.1);
  color: var(--color-primary-blue);
  padding: 0.1em 0.45em;
  border-radius: var(--radius-pill);
  font-size: 0.95em;
  font-weight: inherit;
  display: inline-block;
  line-height: 1;
}

/* 
 * Component Responsiveness Overrides
 */
@media (max-width: 992px) {
  .cta-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  .cta-content {
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .card {
    padding: var(--space-md) !important;
  }
  .card-header, .card-body {
    padding: 0 !important;
  }
  .card-footer {
    padding-top: var(--space-md) !important;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .cta-actions {
    flex-direction: column;
    width: 100%;
  }
  .cta-actions .btn {
    width: 100%;
  }
}