/**
 * Kio Agri - One-Page Landing CSS
 * Modern, Premium Yem Karma Makinaları Tanıtım Sayfası
 * Modüler, bağımsız CSS dosyası
 */

/* ===========================
   CSS VARIABLES & DESIGN TOKENS
   =========================== */
:root {
  /* Renk Paleti */
  --color-primary: #F59E0B;
  --color-primary-dark: #D97706;
  --color-primary-light: #FCD34D;
  --color-secondary: #374151;
  --color-secondary-dark: #1F2937;
  --color-secondary-light: #6B7280;
  --color-accent: #10B981;
  --color-accent-dark: #059669;

  /* Background */
  --bg-white: #FFFFFF;
  --bg-light: #F9FAFB;
  --bg-gray: #F3F4F6;
  --bg-dark: #111827;

  /* Text */
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  --text-white: #FFFFFF;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* Z-Index */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-popover: 500;
  --z-tooltip: 600;
}

/* ===========================
   RESET & BASE STYLES
   =========================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(135deg, #F0F9F4 0%, #E8F5E9 25%, #FFFFFF 50%, #FFF8E1 75%, #FFFBF0 100%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition-base);
}

/* ===========================
   UTILITY CLASSES
   =========================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 960px;
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-sm {
  padding: var(--spacing-2xl) 0;
}

.text-center {
  text-align: center;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   PREMIUM HEADER
   =========================== */
.premium-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
  border-bottom: 1px solid rgba(245, 158, 11, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.premium-header.scrolled {
  padding: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  transition: padding 0.3s ease;
}

.premium-header.scrolled .header-content {
  padding: var(--spacing-sm) 0;
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.header-logo img {
  height: 60px;
  width: auto;
  transition: all 0.3s ease;
  filter: brightness(1.1);
}

.premium-header.scrolled .header-logo img {
  height: 50px;
}

.header-logo:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

/* Navigation */
.header-nav {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav-link {
  position: relative;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  padding: var(--spacing-xs) 0;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #f59e0b, #22c55e);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
  color: #f59e0b;
}

.nav-link:hover::after {
  width: 100%;
}

/* WhatsApp CTA Button */
.header-whatsapp-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: #22c55e;
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.header-whatsapp-btn:hover {
  background: #16a34a;
  box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
  transform: translateY(-2px);
}

.header-whatsapp-btn svg {
  width: 20px;
  height: 20px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  padding: var(--spacing-xs);
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
}

.mobile-menu-toggle:hover span {
  background: #f59e0b;
}

/* Mobile Menu Toggle Active State */
.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(15, 23, 42, 0.98);
  z-index: calc(var(--z-sticky) - 1);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding: var(--spacing-2xl);
  text-align: center;
}

.mobile-nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: var(--spacing-md);
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.mobile-nav-link:hover {
  color: #f59e0b;
  border-bottom-color: #f59e0b;
}

.mobile-whatsapp-link {
  background: #22c55e;
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1.1rem;
  margin-top: var(--spacing-lg);
  transition: all 0.3s ease;
}

.mobile-whatsapp-link:hover {
  background: #16a34a;
  transform: scale(1.05);
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image:
    linear-gradient(135deg, rgb(229 220 203 / 85%) 0%, rgb(127 95 59 / 85%) 50%, rgb(89 102 123 / 85%) 100%), url(../images/wall.jpg);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: var(--z-base);
  text-align: center;
  color: var(--text-white);
  max-width: 800px;
  padding: var(--spacing-xl) var(--spacing-md);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  font-size: 1.125rem;
  font-weight: 400;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
  min-width: 160px;
}

.hero-cta-primary {
  background: var(--bg-white);
  color: var(--color-primary);
}

.hero-cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2xl);
  background: var(--color-accent);
  color: var(--text-white);
}

.hero-cta-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-white);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero-cta-secondary:hover {
  background: var(--bg-white);
  color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-2xl);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===========================
   SECTION HEADERS
   =========================== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===========================
   CATEGORIES SECTION
   =========================== */
.categories {
  background: transparent;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.category-card {
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
  border: 1px solid rgba(0, 0, 0, 0.05);
  cursor: pointer;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--color-primary);
}

.category-image-wrapper {
  position: relative;
  width: 100%;
  height: 280px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-gray) 0%, var(--bg-light) 100%);
}

.category-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card:hover .category-image {
  transform: scale(1.1);
}

.category-image-wrapper::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
  pointer-events: none;
  transition: var(--transition-base);
}

.category-card:hover .category-image-wrapper::after {
  background: linear-gradient(to top, rgba(245, 158, 11, 0.3), transparent);
}

.category-content {
  padding: var(--spacing-xl);
  background: var(--bg-white);
}

.category-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

.category-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.category-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===========================
   MACHINE TYPES SECTION
   =========================== */
.machine-types {
  background: transparent;
}

.types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.type-card {
  background: rgba(255, 255, 255, 0.7);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.type-card::before {
  content: '🚜';
  position: absolute;
  bottom: -20px;
  right: -20px;
  font-size: 8rem;
  opacity: 0.05;
  pointer-events: none;
  transform: rotate(-15deg);
}

.type-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.type-card:hover::before {
  opacity: 0.08;
  transform: rotate(-10deg) scale(1.1);
}

.type-card-featured {
  border: 2px solid var(--color-primary);
}

.featured-badge {
  position: absolute;
  top: -12px;
  right: var(--spacing-lg);
  background: var(--color-primary);
  color: var(--text-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
}

.type-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.type-features {
  list-style: none;
  padding: 0;
}

.type-features li {
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  border-bottom: 1px solid var(--bg-gray);
}

.type-features li:last-child {
  border-bottom: none;
}

/* ===========================
   ABOUT SECTION
   =========================== */
.about {
  background: transparent;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
  margin-top: var(--spacing-2xl);
}

.about-image {
  width: 100%;
  height: 500px;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.factory-placeholder {
  width: 100%;
  height: 100%;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-text-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .about-image {
    height: 300px;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.stat-card {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===========================
   PRODUCTS SECTION
   =========================== */
.products {
  background: transparent;
}

.products-filter {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-light);
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 1400px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

.product-card {
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-2xl);
}

.product-image {
  position: relative;
  width: 100%;
  height: 250px;
  background: linear-gradient(135deg, var(--bg-gray) 0%, var(--bg-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-primary);
  color: var(--text-white);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.product-info {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.spec-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem var(--spacing-sm);
  background: var(--bg-light);
  color: var(--text-secondary);
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  font-weight: 500;
}

.product-description {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  line-height: 1.6;
}

.product-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-md) 0;
}

.product-features li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--bg-gray);
  display: flex;
  align-items: center;
}

.product-features li:before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
  margin-right: var(--spacing-sm);
}

.product-features li:last-child {
  border-bottom: none;
}

.price-request-btn {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-lg);
  background: linear-gradient(90deg, #6B7280 0%, #9CA3AF 20%, #F59E0B 50%, #F59E0B 80%, #D97706 100%);
  background-size: 200% 100%;
  background-position: 0% 0%;
  color: var(--text-white);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  box-shadow: 0 2px 8px rgba(107, 114, 128, 0.3);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  height: 38px;
  min-height: 38px;
  max-height: 38px;
  align-self: flex-end;
  margin-top: auto;
}

.price-request-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 0.5s;
}

.price-request-btn:hover {
  background-position: 100% 0%;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.5);
  transform: translateY(-1px);
}

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

.price-request-btn svg {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.price-request-btn:hover svg {
  transform: scale(1.15) rotate(5deg);
}

.price-request-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

/* ===========================
   FEATURES SECTION
   =========================== */
.features {
  background: var(--bg-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.feature-card {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===========================
   CONTACT SECTION
   =========================== */
.contact {
  background: transparent;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.contact-card {
  background: linear-gradient(135deg, rgba(240, 249, 244, 0.8) 0%, rgba(255, 255, 255, 0.8) 50%, rgba(255, 248, 225, 0.8) 100%);
  backdrop-filter: blur(10px);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition-base);
  border: 1px solid rgba(245, 158, 11, 0.1);
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.contact-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  box-shadow: 0 8px 16px rgba(245, 158, 11, 0.3);
}

.contact-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-info {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--text-white);
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: var(--transition-base);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.contact-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.4);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--color-secondary-dark);
  color: var(--text-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-about {
  grid-column: span 2;
}

.footer-about p {
  text-align: justify;
  line-height: 1.8;
}

.footer-section h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.footer-section p,
.footer-section a {
  color: var(--text-tertiary);
  line-height: 1.8;
  display: block;
  margin-bottom: var(--spacing-xs);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.footer-credit {
  margin-top: var(--spacing-xs);
  font-size: 0.8rem;
  opacity: 0.8;
}

.developer-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-base);
}

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

/* ===========================
   SCROLL TO TOP BUTTON
   =========================== */
.scroll-top-btn {
  position: fixed;
  bottom: 100px;
  right: 30px;
  z-index: var(--z-fixed);
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border: none;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

.scroll-top-btn svg {
  width: 24px;
  height: 24px;
  color: white;
}

/* ===========================
   WHATSAPP FLOATING BUTTON
   =========================== */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: var(--z-fixed);
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  transition: var(--transition-base);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-2xl);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: white;
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }

  50% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .navbar-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
  }

  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar-toggle {
    display: flex;
  }

  .hero {
    min-height: 80vh;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

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

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

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

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }

  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }

  .container {
    max-width: 100%;
  }

  .navbar {
    padding: var(--spacing-sm) 0;
  }

  .logo {
    font-size: 1.25rem;
  }

  .logo img {
    height: 40px;
  }

  .product-image img {
    object-fit: contain;
    padding: var(--spacing-sm);
  }

  .footer-about {
    grid-column: 1 / -1;
  }

  /* Premium Header Mobile */
  .header-nav {
    display: none;
  }

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

  .header-whatsapp-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.85rem;
  }

  .header-whatsapp-btn svg {
    width: 18px;
    height: 18px;
  }

  /* Scroll to Top Button Mobile */
  .scroll-top-btn {
    bottom: 80px;
    right: 20px;
    width: 45px;
    height: 45px;
  }

  .scroll-top-btn svg {
    width: 20px;
    height: 20px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-cta {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .product-image {
    height: 200px;
  }
}

/* ===========================
   LOADING STATES
   =========================== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-gray) 25%, var(--bg-light) 50%, var(--bg-gray) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* ===========================
   PRINT STYLES
   =========================== */
@media print {

  .navbar,
  .whatsapp-float,
  .hero-cta {
    display: none !important;
  }

  .section {
    page-break-inside: avoid;
  }
}