/* 
 * Metallura Website - Modern Components
 * Redesigned UI Components with Modern Styling
 */

/* ============================================
   MODERN HEADER COMPONENT
   ============================================ */

.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(15, 20, 25, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(212, 130, 42, 0.2);
  transition: all var(--transition-normal);
}

.main-header.scrolled {
  background: rgba(15, 20, 25, 0.95);
  border-bottom-color: rgba(212, 130, 42, 0.4);
  box-shadow: var(--shadow-lg);
}

.header-container {
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Modern Logo */
.logo-section {
  display: flex;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: var(--transition-fast);
}

.logo-link:hover {
  transform: scale(1.02);
  text-decoration: none;
}

.logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-black);
  color: var(--text-inverse);
  letter-spacing: 0.1em;
  background: var(--gradient-copper);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(212, 130, 42, 0.3);
}

/* Modern Navigation */
.main-navigation {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  color: var(--text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  position: relative;
  transition: var(--transition-fast);
  letter-spacing: 0.025em;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-copper);
  transition: width var(--transition-normal) var(--ease-out);
  border-radius: var(--radius-full);
}

.nav-link:hover::before,
.nav-link.active::before {
  width: 100%;
}

.nav-link:hover {
  color: var(--copper-light);
  text-decoration: none;
  transform: translateY(-1px);
}

.nav-link.active {
  color: var(--copper);
}

/* Modern Dropdown */
.dropdown {
  position: relative;
}

.dropdown .fa-chevron-down {
  margin-left: var(--space-2);
  font-size: 0.75rem;
  transition: var(--transition-fast);
}

.dropdown:hover .fa-chevron-down {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-4));
  left: 0;
  min-width: 220px;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.95);
  transition: all var(--transition-normal) var(--ease-spring);
  list-style: none;
  padding: var(--space-4) 0;
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

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

.dropdown-link {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-6);
  color: var(--text-primary);
  transition: var(--transition-fast);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  position: relative;
}

.dropdown-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-copper);
  transform: scaleY(0);
  transition: transform var(--transition-fast);
}

.dropdown-link:hover {
  background: var(--gray-50);
  color: var(--copper-dark);
  text-decoration: none;
  padding-left: calc(var(--space-6) + var(--space-2));
}

.dropdown-link:hover::before {
  transform: scaleY(1);
}

/* ============================================
   MEGA DROPDOWN - MULTI-LEVEL MENU
   ============================================ */

.mega-dropdown {
  position: relative;
}

.mega-menu {
  position: absolute;
  top: calc(100% + var(--space-4));
  left: 0;
  min-width: 280px;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.95);
  transition: all var(--transition-normal) var(--ease-spring);
  list-style: none;
  padding: var(--space-3) 0;
  border: 1px solid var(--gray-200);
  overflow: visible;
  z-index: var(--z-dropdown);
}

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

.dropdown-category {
  position: relative;
}

.category-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  color: var(--text-primary);
  transition: var(--transition-fast);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border-bottom: 1px solid var(--gray-100);
}

.category-link:last-child {
  border-bottom: none;
}

.category-link i:first-child {
  color: var(--copper);
  margin-right: var(--space-3);
  font-size: var(--text-lg);
}

.category-link i:last-child {
  font-size: var(--text-xs);
  transition: var(--transition-fast);
  opacity: 0.6;
}

.category-link:hover {
  background: var(--gray-50);
  color: var(--copper-dark);
  text-decoration: none;
}

.category-link:hover i:last-child {
  transform: translateX(4px);
  opacity: 1;
}

/* Submenu Styles */
.submenu {
  position: absolute;
  top: 0;
  left: 100%;
  min-width: 200px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-10px) scale(0.95);
  transition: all var(--transition-normal) var(--ease-spring);
  list-style: none;
  padding: var(--space-3) 0;
  border: 1px solid var(--gray-200);
  margin-left: var(--space-2);
  z-index: calc(var(--z-dropdown) + 1);
}

.dropdown-category:hover .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0) scale(1);
}

.submenu-link {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-5);
  color: var(--text-secondary);
  transition: var(--transition-fast);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  position: relative;
}

.submenu-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--copper);
  transform: scaleY(0);
  transition: transform var(--transition-fast);
}

.submenu-link:hover {
  background: var(--copper-subtle);
  color: var(--copper-dark);
  text-decoration: none;
  padding-left: calc(var(--space-5) + var(--space-2));
}

.submenu-link:hover::before {
  transform: scaleY(1);
}

/* Category Icons */
.category-link .fas.fa-industry {
  color: #6366f1;
}

.category-link .fas.fa-atom {
  color: #22c55e;
}

.category-link .fas.fa-gem {
  color: #f59e0b;
}

/* ============================================
   MEGA DROPDOWN RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .mega-menu {
    min-width: 260px;
  }
  
  .submenu {
    min-width: 180px;
  }
}

@media (max-width: 768px) {
  /* Hide mega dropdown on mobile - use mobile menu instead */
  .mega-dropdown .mega-menu {
    display: none;
  }
  
  /* Mobile specific styles handled by mobile menu */
  .mega-dropdown:hover .mega-menu {
    opacity: 0;
    visibility: hidden;
  }
}

/* ============================================
   MOBILE MENU CATEGORY STYLES
   ============================================ */

.mobile-nav-category {
  margin: var(--space-4) 0;
}

.mobile-category-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  color: var(--copper);
  border-bottom: 2px solid var(--copper);
  margin-bottom: var(--space-3);
}

.mobile-subcategory {
  margin-bottom: var(--space-4);
  padding-left: var(--space-4);
}

.mobile-subheader {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.mobile-subheader .fas.fa-industry {
  color: #6366f1;
}

.mobile-subheader .fas.fa-atom {
  color: #22c55e;
}

.mobile-subheader .fas.fa-gem {
  color: #f59e0b;
}

.mobile-sub-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  border-left: 3px solid transparent;
  transition: var(--transition-fast);
  margin-bottom: var(--space-1);
}

.mobile-sub-link:hover {
  color: var(--copper-dark);
  background: var(--copper-subtle);
  border-left-color: var(--copper);
  text-decoration: none;
  padding-left: var(--space-6);
}

/* Header Controls */
.header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Modern Language Selector */
.language-selector {
  position: relative;
}

.lang-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: var(--transition-fast);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
}

.lang-toggle:hover {
  background: rgba(212, 130, 42, 0.15);
  border-color: var(--copper);
  transform: translateY(-1px);
  box-shadow: var(--shadow-copper);
}

.lang-menu {
  position: absolute;
  top: calc(100% + var(--space-3));
  right: 0;
  min-width: 160px;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.95);
  transition: all var(--transition-normal) var(--ease-spring);
  list-style: none;
  padding: var(--space-3) 0;
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.language-selector:hover .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  transition: var(--transition-fast);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
}

.lang-option:hover,
.lang-option.active {
  background: var(--gray-50);
  color: var(--copper-dark);
  text-decoration: none;
}

.lang-option img {
  width: 20px;
  height: 15px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

/* Modern Theme Toggle */
.theme-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-inverse);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  background: rgba(212, 130, 42, 0.15);
  border-color: var(--copper);
  transform: translateY(-1px);
  box-shadow: var(--shadow-copper);
}

.theme-toggle .dark-icon,
.theme-toggle .light-icon {
  position: absolute;
  transition: all var(--transition-normal) var(--ease-spring);
  font-size: var(--text-base);
}

.light-theme .theme-toggle .dark-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.light-theme .theme-toggle .light-icon {
  opacity: 0;
  transform: rotate(180deg) scale(0.8);
}

.dark-theme .theme-toggle .dark-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0.8);
}

.dark-theme .theme-toggle .light-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* Modern Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  gap: 4px;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--text-inverse);
  transition: var(--transition-normal);
  border-radius: var(--radius-full);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   MODERN HERO SECTION
   ============================================ */

.hero-section {
  position: relative;
  height: 85vh;
  min-height: 700px;
  max-height: 900px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero-video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(15, 20, 25, 0.8) 0%,
    rgba(15, 20, 25, 0.6) 40%,
    rgba(26, 35, 50, 0.7) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.hero-title {
  font-size: var(--text-6xl);
  font-weight: var(--font-weight-black);
  color: var(--text-inverse);
  margin-bottom: var(--space-6);
  line-height: var(--leading-none);
  letter-spacing: -0.02em;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1s var(--ease-out) forwards;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-10);
  line-height: var(--leading-relaxed);
  font-weight: var(--font-weight-regular);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 1s var(--ease-out) 0.2s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  animation: fadeInUp 1s var(--ease-out) 0.4s forwards;
  opacity: 0;
}

.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  background: var(--gradient-copper);
  color: var(--text-inverse);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border-radius: var(--radius-2xl);
  transition: all var(--transition-normal) var(--ease-spring);
  box-shadow: var(--shadow-copper);
  position: relative;
  overflow: hidden;
}

.hero-cta-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.8s ease;
}

.hero-cta-btn:hover::before {
  left: 100%;
}

.hero-cta-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(212, 130, 42, 0.4);
  text-decoration: none;
}

.hero-cta-btn i {
  transition: var(--transition-fast);
}

.hero-cta-btn:hover i {
  transform: translateX(4px);
}

/* Modern Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  animation: fadeInUp 1s var(--ease-out) 0.6s forwards;
  opacity: 0;
}

.scroll-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.scroll-arrow {
  color: var(--copper);
  font-size: var(--text-lg);
  animation: bounce 2s infinite;
}

/* ============================================
   MODERN BUTTON COMPONENTS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal) var(--ease-spring);
  position: relative;
  overflow: hidden;
  user-select: none;
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

/* Primary Button */
.btn-primary {
  background: var(--gradient-copper);
  color: var(--text-inverse);
  box-shadow: var(--shadow-copper);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(212, 130, 42, 0.3);
  color: var(--text-inverse);
  text-decoration: none;
}

.btn-primary:hover::before {
  left: 100%;
}

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

/* Secondary Button */
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
  background: var(--gray-100);
  border-color: var(--copper);
  color: var(--copper-dark);
  transform: translateY(-1px);
  text-decoration: none;
}

/* Outline Button */
.btn-outline {
  background: transparent;
  color: var(--copper);
  border: 2px solid var(--copper);
}

.btn-outline:hover {
  background: var(--copper);
  color: var(--text-inverse);
  transform: translateY(-1px);
  text-decoration: none;
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: var(--space-3) var(--space-4);
}

.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--text-primary);
  text-decoration: none;
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-xl);
  border-radius: var(--radius-2xl);
}

/* Loading State */
.btn-loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn-loading::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ============================================
   MODERN CARD COMPONENTS
   ============================================ */

.card {
  background: var(--gradient-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal) var(--ease-spring);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

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

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--gray-200);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
}

/* Feature Card */
.feature-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--gradient-card);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-slower) var(--ease-spring);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-copper);
  transform: scaleX(0);
  transition: transform var(--transition-normal) var(--ease-out);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-2xl);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-copper);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  color: var(--text-inverse);
  font-size: var(--text-2xl);
  box-shadow: var(--shadow-copper);
  transition: var(--transition-normal);
}

.feature-icon i {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  font-family: "Font Awesome 6 Free", "Font Awesome 5 Free", "FontAwesome" !important;
  font-weight: 900 !important;
  font-style: normal !important;
  text-rendering: auto !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(212, 130, 42, 0.3);
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.feature-description {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ============================================
   MODERN FORM COMPONENTS
   ============================================ */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: 0.025em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--white);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--copper);
  box-shadow: 0 0 0 3px rgba(212, 130, 42, 0.1);
  transform: translateY(-1px);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

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

.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: var(--space-10);
  appearance: none;
}

/* Form Row */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

/* Form Error States */
.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.error-message {
  color: var(--error);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Enhanced Form Submit Button */
.form-submit,
.enhanced-form-submit {
  background: var(--gradient-copper);
  color: var(--text-inverse);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-normal) var(--ease-spring);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  box-shadow: var(--shadow-copper);
  position: relative;
  overflow: hidden;
}

.form-submit::before,
.enhanced-form-submit::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.form-submit:hover,
.enhanced-form-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(212, 130, 42, 0.4);
}

.form-submit:hover::before,
.enhanced-form-submit:hover::before {
  left: 100%;
}

.form-submit:active,
.enhanced-form-submit:active {
  transform: translateY(0);
}

/* ============================================
   MODERN SECTION COMPONENTS
   ============================================ */

.section {
  padding: var(--space-32) 0;
}

.section-sm {
  padding: var(--space-20) 0;
}

.section-lg {
  padding: var(--space-40) 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-16);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-black);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 600px;
  margin: 0 auto;
}

/* Page Hero */
.page-hero {
  padding: calc(80px + var(--space-20)) 0 var(--space-20);
  background: var(--gradient-hero);
  color: var(--text-inverse);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.page-hero-content {
  position: relative;
  z-index: 2;
}

.page-hero-title {
  font-size: var(--text-5xl);
  font-weight: var(--font-weight-black);
  margin-bottom: var(--space-4);
  line-height: var(--leading-tight);
}

.page-hero-subtitle {
  font-size: var(--text-xl);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--leading-relaxed);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  justify-content: center;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--copper-light);
  text-decoration: none;
}

.breadcrumb-separator {
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb-current {
  color: var(--copper);
  font-weight: var(--font-weight-medium);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
  .header-container {
    padding: 0 var(--space-4);
  }
  
  .nav-menu {
    gap: var(--space-6);
  }
  
  .hero-title {
    font-size: var(--text-5xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-lg);
  }
  
  .section-title {
    font-size: var(--text-3xl);
  }
}

@media (max-width: 768px) {
  .main-navigation {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: var(--text-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-base);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-cta-btn {
    width: 100%;
    max-width: 280px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .feature-card {
    padding: var(--space-6);
  }
  
  .section {
    padding: var(--space-20) 0;
  }
  
  .section-header {
    margin-bottom: var(--space-12);
  }
}

@media (max-width: 480px) {
  .header-container {
    height: 70px;
    padding: 0 var(--space-3);
  }
  
  .hero-section {
    height: 70vh;
    min-height: 500px;
  }
  
  .hero-content {
    padding: 0 var(--space-4);
  }
  
  .hero-title {
    font-size: var(--text-3xl);
  }
  
  .page-hero {
    padding: calc(70px + var(--space-12)) 0 var(--space-12);
  }
  
  .page-hero-title {
    font-size: var(--text-4xl);
  }
  
  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: var(--text-xl);
  }
}