/* Header & Navbar */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-bright);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-image {
  display: block;
  width: auto;
  height: 48px;
  object-fit: contain;
}

.logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: var(--spacing-5);
}

.nav-link {
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding-bottom: var(--spacing-1);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: width var(--transition-normal);
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2) var(--spacing-5);
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 210, 255, 0.4);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-dim);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding-top: 150px;
  padding-bottom: var(--spacing-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,210,255,0.15) 0%, rgba(11,15,25,0) 70%);
  z-index: -1;
  border-radius: 50%;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: var(--spacing-4);
  background: linear-gradient(135deg, #fff 0%, #a0aec0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-6);
  color: var(--color-text);
}

/* Brands Section */
.brands-section {
  padding: var(--spacing-8) 0;
  position: relative;
  overflow: hidden;
}

.brands-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top center, rgba(0, 210, 255, 0.12), transparent 40%),
    radial-gradient(circle at 20% 20%, rgba(58, 123, 213, 0.08), transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(0, 210, 255, 0.06), transparent 28%);
  pointer-events: none;
}

.brands-section .container {
  position: relative;
  z-index: 1;
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-4);
  position: relative;
  z-index: 1;
}

.brand-card {
  min-height: 170px;
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: linear-gradient(145deg, rgba(20, 27, 45, 0.96), rgba(31, 41, 64, 0.6));
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  text-align: center;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.brand-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45), 0 0 18px var(--brand-shadow);
}

.brand-logo {
  width: 80px;
  height: 80px;
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.06)),
    linear-gradient(135deg, var(--brand-accent), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-logo span {
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-card h3 {
  font-size: 1rem;
  margin: 0;
  color: var(--color-text-bright);
}

/* Product Cards */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-6);
  margin-top: var(--spacing-8);
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), var(--shadow-glow);
}

.product-state {
  grid-column: 1 / -1;
  padding: var(--spacing-6);
  text-align: center;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
}

.product-state strong {
  display: block;
  margin-bottom: var(--spacing-2);
  color: var(--color-text-bright);
}

.product-state p {
  color: var(--color-text);
}

.product-image {
  width: 100%;
  height: 200px;
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-badge {
  position: absolute;
  top: var(--spacing-2);
  right: var(--spacing-2);
  background: var(--color-primary);
  color: #000;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
}

.product-title {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-2);
}

.product-price {
  font-size: 1.5rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
}

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-6);
}

.service-card {
  background: linear-gradient(145deg, var(--color-surface), rgba(31, 41, 64, 0.4));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6) var(--spacing-4);
  text-align: center;
  transition: all var(--transition-normal);
}

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

.service-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-4);
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.service-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-2);
  color: var(--color-text-bright);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
}

/* Features Highlight Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-2);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-3);
  color: var(--color-primary);
}

.feature-item h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-2);
  color: var(--color-text-bright);
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--color-text);
}

/* Contact Form */
.contact-feedback {
  margin-bottom: var(--spacing-4);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-bright);
}

.contact-feedback.is-success {
  border-color: rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.12);
  color: #dcfce7;
}

.contact-feedback.is-error {
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.12);
  color: #fee2e2;
}

.contact-feedback p {
  margin: 0;
}

.form-group {
  margin-bottom: var(--spacing-4);
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-2);
  color: var(--color-text-bright);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-3);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-bright);
  font-family: var(--font-primary);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 10px var(--color-primary-dim);
  background: rgba(255, 255, 255, 0.05);
}

.form-group-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Footer */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-8) 0 var(--spacing-4);
  margin-top: auto;
  background: var(--color-surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.footer-col h4 {
  margin-bottom: var(--spacing-4);
  color: var(--color-text-bright);
}

.footer-col ul li {
  margin-bottom: var(--spacing-2);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
}

@media (max-width: 640px) {
  .logo-image {
    height: 36px;
  }

  .service-icon {
    width: 96px;
    height: 96px;
    padding: 0.5rem;
  }

  .brand-card {
    min-height: 150px;
  }

  .brand-logo {
    width: 68px;
    height: 68px;
    border-radius: 20px;
  }
}