:root {
  --bg-color: #0f172a;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --secondary: #0ea5e9;
  --glass-bg: rgba(30, 41, 59, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --font-family: 'Inter', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background Animated Blobs for Dark Mode */
.background-elements {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.blob {
  position: absolute;
  filter: blur(80px);
  border-radius: 50%;
  opacity: 0.5;
  animation: float 10s infinite ease-in-out alternate;
}

.blob-1 {
  top: -10%; left: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}

.blob-2 {
  bottom: -10%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
  animation-delay: -5s;
}

.blob-3 {
  top: 40%; left: 50%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
  animation-duration: 15s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -50px) scale(1.1); }
}

/* Header & Nav */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 1rem 2rem;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--text-main);
}

.logo {
  height: 40px;
  width: auto;
  border-radius: 8px;
}

.logo-container h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

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

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: white;
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid var(--glass-border);
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Hero Section */
.hero {
  padding: 150px 2rem 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 80vh;
}

.hero-content {
  max-width: 800px;
}

.hero h2 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  background: linear-gradient(to right, #ffffff, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-btn {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: 50px;
}

/* Catalog Section */
.catalog-section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.card-img-container {
  height: 180px;
  overflow: hidden;
  background-color: #1e293b;
}

.card-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.product-card:hover .card-img-container img {
  transform: scale(1.05);
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-body h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.card-body .desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  flex: 1;
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--glass-border);
  padding-top: 1rem;
}

.price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--secondary);
}

/* Contact Section */
.contact-section {
  padding: 5rem 2rem;
  max-width: 1000px;
  margin: 0 auto 5rem;
}

.contact-container {
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}

@media (min-width: 768px) {
  .contact-container {
    flex-direction: row;
  }
  .contact-info, .contact-form-wrapper {
    flex: 1;
  }
}

.contact-info {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(14, 165, 233, 0.1) 100%);
  padding: 3rem;
  border-right: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.floating-icon {
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 100px;
  opacity: 0.3;
  filter: drop-shadow(0 0 10px rgba(255,255,255,0.2));
  animation: float 6s infinite ease-in-out alternate;
}

.contact-form-wrapper {
  padding: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
}

.modern-form input,
.modern-form select,
.modern-form textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: white;
  font-family: var(--font-family);
  font-size: 1rem;
  transition: var(--transition);
}

.modern-form input:focus,
.modern-form select:focus,
.modern-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
  background: rgba(15, 23, 42, 0.8);
}

.modern-form select:invalid {
  color: var(--text-muted);
}
.modern-form select option {
  background: var(--bg-color);
  color: white;
}

.full-width {
  width: 100%;
  padding: 1rem;
  font-size: 1.1rem;
  position: relative;
}

/* Form Loader and Messages */
.loader {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
  margin: 0 auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}

#form-message {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  font-weight: 500;
}

.success-msg {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.5);
  color: #10b981;
}

.error-msg {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.5);
  color: #ef4444;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h2 { font-size: 2.5rem; }
  .header-container { flex-direction: column; gap: 1rem; }
  .nav-link.btn-primary { display: none; }
  .contact-info, .contact-form-wrapper { padding: 2rem; }
}