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

:root {
  --primary: #BFBF03;
  --secondary: #CCCC35;
  --tertiary: #D9D968;
  --light: #E5E59A;
  --lighter: #F2F2CD;
  --dark: #1a1a1a;
  --gray: #333333;
  --light-gray: #f5f5f5;
  --border: #e0e0e0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--gray);
  background-color: #ffffff;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--secondary);
}

/* HEADER & NAVIGATION */
header {
  background: linear-gradient(135deg, var(--dark) 0%, #2a2a2a 100%);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: var(--dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav a {
  color: white;
  font-weight: 500;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

/* HERO SECTION */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, #2a2a2a 50%, var(--dark) 100%);
  color: white;
  padding: 6rem 2rem;
  text-align: center;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(191, 191, 3, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(204, 204, 53, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: bold;
  line-height: 1.2;
}

.hero h1 .highlight {
  color: var(--primary);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  line-height: 1.8;
}

.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--dark);
  padding: 1rem 2.5rem;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  margin: 0.5rem;
  box-shadow: 0 4px 15px rgba(191, 191, 3, 0.3);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(191, 191, 3, 0.4);
}

.cta-button-secondary {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.cta-button-secondary:hover {
  background: var(--primary);
  color: var(--dark);
}

/* CONTAINER & SECTIONS */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 4rem 2rem;
}

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

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--dark);
  text-align: center;
}

.section-subtitle {
  font-size: 1.1rem;
  text-align: center;
  color: #666;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* INTRODUCTION SECTION */
.introduction {
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
  line-height: 1.8;
  color: #444;
}

.introduction p {
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

/* WHAT WE OFFER */
.offer-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.offer-item {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  border-left: 4px solid var(--primary);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

.offer-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.offer-item::before {
  content: '→';
  display: inline-block;
  color: var(--primary);
  font-size: 1.5rem;
  margin-right: 0.5rem;
  font-weight: bold;
}

/* COMPARISON SECTION */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.comparison-card {
  background: white;
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  border-top: 4px solid var(--primary);
  transition: all 0.3s ease;
}

.comparison-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(191, 191, 3, 0.2);
}

.comparison-card h3 {
  color: var(--dark);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.comparison-card p {
  color: #666;
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* GRID TWO COLUMNS */
.grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.grid-two-reverse {
  direction: rtl;
}

.grid-two-reverse > * {
  direction: ltr;
}

.grid-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.grid-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* PRODUCT CARDS */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
}

.product-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(191, 191, 3, 0.2);
}

.product-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  background: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-number {
  color: var(--primary);
  font-weight: bold;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.product-card h3 {
  color: var(--dark);
  margin: 0.5rem 0 1rem 0;
  font-size: 1.3rem;
}

.product-card p {
  color: #666;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.product-specs {
  background: var(--lighter);
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0 0 0;
  font-size: 0.95rem;
  color: #555;
}

.product-specs strong {
  display: block;
  color: var(--dark);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

/* HOW IT WORKS */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.step {
  text-align: center;
  position: relative;
  padding: 2rem;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--dark);
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0 auto 1rem auto;
}

.step h4 {
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.step p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
}

.step::after {
  content: '→';
  position: absolute;
  right: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 2rem;
  display: none;
}

.step:last-child::after {
  display: none;
}

@media (min-width: 768px) {
  .step:not(:last-child)::after {
    display: block;
  }
}

/* CONTACT FORM */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-form {
  background: white;
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(191, 191, 3, 0.1);
}

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

.form-submit {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--dark);
  padding: 1rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(191, 191, 3, 0.3);
}

.contact-info {
  background: var(--lighter);
  padding: 2.5rem;
  border-radius: 12px;
}

.contact-info h3 {
  color: var(--dark);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.contact-item {
  margin-bottom: 2rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: var(--dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: bold;
  font-size: 1.2rem;
}

.contact-item h4 {
  color: var(--dark);
  margin-bottom: 0.25rem;
}

.contact-item p {
  color: #666;
  font-size: 0.95rem;
}

/* FAQ SECTION */
.faq {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border: 2px solid var(--border);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(191, 191, 3, 0.1);
}

.faq-question {
  background: var(--light-gray);
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--dark);
  transition: all 0.3s ease;
}

.faq-question:hover {
  background: var(--lighter);
}

.faq-toggle {
  color: var(--primary);
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  color: #666;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  padding: 1.5rem;
  max-height: 500px;
}

/* FOOTER */
footer {
  background: var(--dark);
  color: white;
  padding: 3rem 2rem 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  color: var(--primary);
  font-size: 1.1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #ccc;
  transition: all 0.3s ease;
}

.footer-section a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid #444;
  padding-top: 1.5rem;
  text-align: center;
  color: #999;
  font-size: 0.9rem;
}

.footer-bottom p {
  margin-bottom: 0.5rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav ul {
    display: none;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

  .grid-two,
  .grid-two-reverse {
    grid-template-columns: 1fr;
  }

  .grid-two-reverse {
    direction: ltr;
  }

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

  .step::after {
    display: none !important;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .hero {
    padding: 4rem 1rem;
  }

  section {
    padding: 2.5rem 1rem;
  }

  .comparison-grid,
  .products-grid,
  .offer-list {
    grid-template-columns: 1fr;
  }
}

/* MESSAGE ALERTS */
.message {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  animation: slideIn 0.3s ease;
}

.message.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.message.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* UTILITY CLASSES */
.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 2rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

.highlight {
  color: var(--primary);
}