/**
 * Components Styles - Buttons, Cards, Forms, Navigation
 */

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 132, 255, 0.25);
}

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn-block {
  width: 100%;
}

/* Primary Button */
.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Secondary Button */
.btn-secondary {
  background: white;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-light);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.btn-secondary-inverse {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary-inverse:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: white;
  color: white;
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* Link Button */
.btn-link {
  background: transparent;
  color: var(--color-primary);
  border: none;
  padding: 0;
  font-weight: 600;
}

.btn-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Icon Button */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: var(--color-bg-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  padding: var(--spacing-sm) 0;
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.logo a {
  display: block;
  color: var(--color-text);
  transition: opacity var(--transition-fast);
}

.logo a:hover {
  opacity: 0.8;
}

/* Main Navigation */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) 0;
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

.dropdown-icon {
  transition: transform var(--transition-fast);
}

.nav-item:hover .dropdown-icon {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: white;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: var(--spacing-md);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* Mega Menu */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  width: 800px;
  background: white;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.mega-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.mega-menu-item:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.mega-menu-item .icon-wrapper {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: white;
  box-shadow: var(--shadow-xl);
  z-index: var(--z-fixed);
  transition: right var(--transition-slow);
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-content {
  padding: var(--spacing-xl);
}

.mobile-nav-section {
  margin-bottom: var(--spacing-xl);
}

.mobile-nav-title {
  display: block;
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.mobile-nav-link {
  display: block;
  padding: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-lg);
  color: var(--color-text-light);
}

.mobile-menu-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: white;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* Value Card */
.value-card {
  padding: var(--spacing-xl);
  background: white;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.value-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.value-icon {
  margin-bottom: var(--spacing-lg);
}

.value-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

.value-card p {
  color: var(--color-text-light);
}

/* Service Card */
.service-card {
  background: white;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

.service-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

.service-features {
  list-style: none;
  margin: var(--spacing-lg) 0;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* Testimonial Card */
.testimonial-card {
  background: white;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
}

.testimonial-rating {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.testimonial-text {
  font-size: var(--font-size-lg);
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-avatar {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
}

.author-name {
  font-weight: 600;
  color: var(--color-text);
}

.author-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="password"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
  margin-top: var(--spacing-sm);
}

/* ============================================
   GRIDS
   ============================================ */
.value-props-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing-xl);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mega-menu {
    width: 600px;
  }
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}