/* ===================================
   Marrick Corp - Modern Design System
   =================================== */

/* CSS Variables */
:root {
  /* Colors */
  --primary-dark: #2c3333;
  --primary-gray: #474c4c;
  --secondary-gray: #777777;
  --light-gray: #a5a5a5;
  --bg-light: #f8f8f6;
  --bg-accent: #eeeee8;
  --white: #ffffff;
  --accent-blue: #3a5a78;
  --accent-red: #c84b31;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', var(--font-primary);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Layout */
  --max-width: 1400px;
  --header-height: 80px;
  
  /* Animations */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  color: var(--primary-gray);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary-dark);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--secondary-gray);
}

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

a:hover {
  color: var(--accent-red);
}

/* Utility Classes */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-gray {
  background-color: var(--bg-light);
}

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

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}

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

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  z-index: 1000;
  transition: transform var(--transition-base);
}

.header.hidden {
  transform: translateY(-100%);
}

.header.menu-open {
  transform: translateY(0);
}

body.menu-open {
  overflow: hidden;
}

.header-top {
  background-color: var(--primary-dark);
  color: var(--white);
  padding: var(--spacing-xs) 0;
  font-size: 0.875rem;
}

.header-top .container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.header-top a {
  color: var(--white);
  transition: opacity var(--transition-base);
}

.header-top a:hover {
  opacity: 0.8;
}

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

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
  transition: transform var(--transition-base);
}

.logo:hover img {
  transform: scale(1.05);
}

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

.nav-link {
  color: var(--primary-gray);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  position: relative;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--accent-red);
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.nav-link:hover {
  color: var(--accent-red);
}

/* Dropdown Menu */
.nav-item {
  position: relative;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--white);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  padding: var(--spacing-sm);
  min-width: 250px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: 100;
}

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

.dropdown-link {
  display: block;
  padding: var(--spacing-xs) var(--spacing-sm);
  color: var(--primary-gray);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.dropdown-link:hover {
  background-color: var(--bg-light);
  color: var(--accent-red);
  padding-left: calc(var(--spacing-sm) + 8px);
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary-gray);
  margin: 5px 0;
  transition: all var(--transition-base);
}

/* Hero Section */
.hero {
  margin-top: calc(var(--header-height) + 40px);
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, var(--bg-accent) 100%);
  opacity: 0.3;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease;
}

.hero .tagline {
  font-size: 1.5rem;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.4s backwards;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-weight: 600;
  border-radius: 6px;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
  font-family: var(--font-primary);
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--accent-red);
  color: var(--white);
  border-color: var(--accent-red);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--accent-red);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(200, 75, 49, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.btn-secondary:hover {
  background-color: var(--accent-blue);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(58, 90, 120, 0.3);
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  position: relative;
  display: inline-block;
  padding-bottom: var(--spacing-sm);
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--accent-red);
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.product-card {
  background-color: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.product-card-image {
  width: 100%;
  height: 350px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-card-image-wrapper {
  overflow: hidden;
  background-color: var(--bg-accent);
}

.product-card-content {
  padding: var(--spacing-md);
}

.product-card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--primary-dark);
}

.product-card-description {
  color: var(--secondary-gray);
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
}

.product-card-link {
  color: var(--accent-blue);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--transition-base);
}

.product-card-link:hover {
  gap: 1rem;
}

/* Categories Section */
.categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.category-card {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent-blue) 100%);
  color: var(--white);
  padding: var(--spacing-lg);
  border-radius: 12px;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.category-card:hover::before {
  width: 400px;
  height: 400px;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.2);
}

.category-card h3 {
  color: var(--white);
  position: relative;
  z-index: 1;
}

.category-card p {
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  z-index: 1;
}

.category-card .btn {
  margin-top: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--primary-dark);
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--bg-accent);
  border-radius: 6px;
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-base);
  color: var(--primary-gray);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(58, 90, 120, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

/* Contact Info Cards */
.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-card {
  background-color: var(--bg-light);
  padding: var(--spacing-md);
  border-radius: 8px;
  text-align: center;
  transition: all var(--transition-base);
}

.contact-card:hover {
  background-color: var(--accent-blue);
  color: var(--white);
  transform: translateY(-5px);
}

.contact-card:hover h3,
.contact-card:hover p {
  color: var(--white);
}

.contact-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--accent-red);
}

/* Footer */
.footer {
  background-color: var(--primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

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

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

/* Page Header */
.page-header {
  margin-top: calc(var(--header-height) + 40px);
  padding: var(--spacing-lg) 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent-blue) 100%);
  color: var(--white);
  text-align: center;
}

.page-header h1 {
  color: var(--white);
}

.page-header p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
}

/* Content Sections */
.content-section {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.content-section img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: var(--spacing-md) 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .header-content {
    flex-wrap: wrap;
  }

  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    padding: var(--spacing-sm) 0;
    align-items: flex-start;
    gap: 0;
  }

  .nav.active {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    padding-top: calc(var(--header-height) + var(--spacing-md));
    background-color: var(--white);
    overflow-y: auto;
    z-index: 999;
  }

  .nav-link,
  .dropdown-link {
    width: 100%;
    text-align: left;
    padding: 0.75rem var(--spacing-md);
  }

  .nav-item {
    width: 100%;
  }

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

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding: 0;
    background-color: transparent;
    margin: 0 0 var(--spacing-xs) 0;
  }

  .hero {
    margin-top: calc(var(--header-height) + 20px);
    padding: var(--spacing-lg) 0;
  }

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

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

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

/* Animations on Scroll */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Loading Animation */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.loading {
  animation: pulse 1.5s ease-in-out infinite;
}

/* Image Modal/Lightbox */
.image-modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  animation: fadeIn 0.3s ease;
}

.image-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  animation: zoomIn 0.3s ease;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 40px;
  color: var(--white);
  font-size: 48px;
  font-weight: 300;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10001;
}

.modal-close:hover {
  color: var(--accent-red);
  transform: scale(1.1);
}

@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}