/* Variables for consistent styling */
:root {
  --color-primary-dark: #2a3b4c; /* New Dark Slate Blue for header, footer, headings */
  --color-accent-blue: #007bff; /* New Vibrant Blue for buttons, links, icons */
  --color-logo-blue: #333399; /* Deep Blue from Logo (for logo image itself) */
  --color-light-bg: #f8f9fa; /* Light Grey Background */
  --color-section-bg: #ffffff; /* White for sections */
  --color-text-dark: #343a40; /* Dark Grey Text */
  --color-text-light: #6c757d; /* Lighter Grey Text */
  --color-white: #ffffff; /* Pure white for high contrast */
  --color-border: #e9ecef; /* Light border color */
  --color-callout-bg: #eaf6ff; /* Light blue for callouts */
  --color-callout-border: #a7d9ff; /* Border for callouts */

  --font-heading: "Montserrat", sans-serif;
  --font-body: "Inter", sans-serif;

  --spacing-sm: 10px;
  --spacing-md: 20px;
  --spacing-lg: 40px;
  --spacing-xl: 80px;

  --border-radius-sm: 5px;
  --border-radius-md: 10px;

  --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Basic Reset & Box Sizing */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  line-height: 1.7;
  color: var(--color-text-dark);
  background-color: var(--color-light-bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 90%;
  max-width: 1200px; /* Wider container for more content */
  margin: 0 auto;
}

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

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

h1 {
  font-size: 3.5rem;
}
h2 {
  font-size: 2.8rem;
}
h3 {
  font-size: 2.2rem;
}

p {
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
  color: var(--color-text-light);
}

/* Links */
a {
  color: var(--color-accent-blue);
  text-decoration: none;
  transition: color 0.3s ease, text-decoration 0.3s ease;
}

a:hover {
  color: #0056b3; /* Darker shade of accent blue on hover */
  text-decoration: underline;
}

.text-link {
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 14px 30px;
  margin-top: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

.primary-btn {
  background-color: var(--color-accent-blue);
  color: var(--color-white);
  box-shadow: var(--shadow-light);
}

.primary-btn:hover {
  background-color: #0056b3; /* Darker shade of accent blue on hover */
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Header */
.main-header {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--spacing-md) 0;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  font-family: var(--font-heading); /* Re-add font styling for text logo */
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: 1px;
  /* Removed display: flex; and align-items: center; as it's text now */
}

.main-nav .nav-list {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
}

.main-nav .nav-link {
  color: var(--color-white);
  font-weight: 500;
  font-size: 1.05rem;
  padding: 5px 0;
  position: relative;
  text-decoration: none;
}

.main-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background-color: var(--color-accent-blue);
  transition: width 0.3s ease;
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
}

.menu-toggle svg {
  width: 28px;
  height: 28px;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #4a5f73 100%); /* Gradient using new primary dark and a lighter shade */
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-xl) 0 calc(var(--spacing-xl) * 1.5) 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;utf8,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="%23ffffff" opacity="0.05"/></svg>')
    repeat;
  opacity: 0.1;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 3px;
  color: var(--color-white);
  text-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.hero-subtitle {
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
  opacity: 0.95;
}

.hero-description {
  max-width: 800px;
  margin: 0 auto var(--spacing-lg) auto;
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--color-white);
  opacity: 0.9;
}

/* Section Titles with Icons */
.section-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.section-icon {
  width: 36px;
  height: 36px;
  color: var(--color-accent-blue);
}

.section-description {
  max-width: 900px;
  margin: 0 auto var(--spacing-lg) auto;
  text-align: center;
}

/* About Section */
.about-section {
  background-color: var(--color-section-bg);
  box-shadow: var(--shadow-md);
  border-radius: var(--border-radius-md);
  margin: calc(-1 * var(--spacing-xl)) auto var(--spacing-xl) auto;
  position: relative;
  z-index: 500;
  padding: var(--spacing-xl) var(--spacing-md);
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: justify;
}

.about-content p {
  margin-bottom: var(--spacing-md);
}

.about-content .affiliation {
  text-align: center;
  font-weight: 500;
  margin-top: var(--spacing-lg);
}

/* Founder Section */
.founder-section {
  background-color: var(--color-light-bg);
}

.founder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.founder-text {
  text-align: justify;
}

.founder-text h3 {
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

/* Vision Section */
.vision-section {
  background-color: var(--color-light-bg);
}

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

.vision-item {
  background-color: var(--color-section-bg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-light);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vision-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.vision-icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent-blue);
  margin-bottom: var(--spacing-md);
}

.vision-item h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary-dark);
}

.vision-item p {
  font-size: 1rem;
  color: var(--color-text-light);
}

/* Why Choose Us Section */
.why-choose-us-section {
  background-color: var(--color-section-bg);
  box-shadow: var(--shadow-md);
  border-radius: var(--border-radius-md);
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

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

.benefit-item {
  background-color: var(--color-light-bg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-light);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent-blue);
  margin-bottom: var(--spacing-md);
}

.benefit-item h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary-dark);
}

.benefit-item p {
  font-size: 1rem;
  color: var(--color-text-light);
}

/* Testimonials Section */
.testimonials-section {
  background-color: var(--color-light-bg);
}

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

.testimonial-card {
  background-color: var(--color-section-bg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-light);
  text-align: center;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.testimonial-quote-icon {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  width: 36px;
  height: 36px;
  color: var(--color-accent-blue);
  opacity: 0.2;
}

.testimonial-text {
  font-size: 1.1rem;
  font-style: italic;
  margin-top: var(--spacing-lg); /* Space for the quote icon */
  margin-bottom: var(--spacing-md);
  color: var(--color-text-dark);
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 5px;
}

.testimonial-title {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* Products Section */
.products-section {
  background-color: var(--color-light-bg);
}

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

.category-card {
  background-color: var(--color-section-bg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-light);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.card-icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent-blue);
  margin-bottom: var(--spacing-md);
}

.category-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary-dark);
}

.category-card p {
  font-size: 1rem;
  color: var(--color-text-light);
}

/* Section Callout (for highlighted text) */
.section-callout {
  background-color: var(--color-callout-bg);
  border: 1px solid var(--color-callout-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) auto;
  max-width: 800px;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-light);
  text-align: left;
}

.section-callout .callout-icon {
  width: 32px;
  height: 32px;
  color: var(--color-accent-blue);
  flex-shrink: 0;
}

.section-callout p {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-dark);
}

/* Newsletter Section */
.newsletter-section {
  background-color: var(--color-light-bg);
  text-align: center;
}

.newsletter-form {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.newsletter-form input[type="email"] {
  padding: 12px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  width: 100%;
  max-width: 350px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.newsletter-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2); /* Adjusted to new accent blue */
}

.newsletter-form .primary-btn {
  margin-top: 0;
  padding: 12px 25px;
}

.form-note {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
}

/* Contact Section */
.contact-section {
  background-color: var(--color-section-bg);
  box-shadow: var(--shadow-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-xl) var(--spacing-md);
}

.contact-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg); /* Added margin-bottom for spacing before the form */
}

.contact-item {
  background-color: var(--color-light-bg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-light);
  text-align: center;
}

.contact-icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent-blue);
  margin-bottom: var(--spacing-md);
}

.contact-item h3 {
  font-size: 1.4rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary-dark);
}

.contact-item p,
.contact-item address {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.6;
  font-style: normal;
}

/* New Contact Form Styles */
.contact-form-container {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-light-bg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-light);
}

.contact-form-container h3 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-size: 1.8rem;
  color: var(--color-primary-dark);
}

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

.contact-form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-dark);
}

.contact-form-group input[type="text"],
.contact-form-group input[type="email"],
.contact-form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  font-family: var(--font-body);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-form-group input[type="text"]:focus,
.contact-form-group input[type="email"]:focus,
.contact-form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

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

.contact-form-container .primary-btn {
  width: 100%;
  margin-top: var(--spacing-md);
  padding: 14px 30px;
}

.form-message {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  text-align: center;
  display: none; /* Hidden by default */
}

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

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

/* Footer */
.main-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
  font-size: 0.95rem;
  margin-top: auto;
  box-shadow: 0 -3px 8px rgba(0, 0, 0, 0.15);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-column h3 {
  color: var(--color-white);
  font-size: 1.3rem;
  margin-bottom: var(--spacing-md);
}

.footer-column p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-sm);
}

.footer-column .copyright {
  margin-top: var(--spacing-md);
  font-size: 0.85rem;
}

.footer-nav-list {
  list-style: none;
}

.footer-nav-list li {
  margin-bottom: var(--spacing-sm);
}

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 400;
}

.footer-link:hover {
  color: var(--color-accent-blue);
  text-decoration: none;
}

.footer-bottom {
  padding-top: var(--spacing-md);
  text-align: center;
}

.footer-domain {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

/* Responsive Design */
@media (max-width: 992px) {
  .main-nav .nav-list {
    gap: var(--spacing-md);
  }
  .hero-title {
    font-size: 3.5rem;
  }
  .hero-subtitle {
    font-size: 1.5rem;
  }
  .section-title {
    font-size: 2.2rem;
  }
  .product-categories-grid,
  .contact-details-grid,
  .vision-grid,
  .benefits-grid,
  .testimonial-grid {
    /* Added testimonial-grid */
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .main-nav .nav-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md) 0;
    text-align: center;
  }

  .main-nav .nav-list.active {
    display: flex;
  }

  .main-nav .nav-link {
    padding: var(--spacing-sm) 0;
    font-size: 1.1rem;
  }

  .main-nav .nav-link::after {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.8rem;
  }
  .hero-subtitle {
    font-size: 1.2rem;
  }
  .hero-description {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.8rem;
  }
  .section-icon {
    width: 28px;
    height: 28px;
  }

  .about-section,
  .products-section,
  .contact-section,
  .vision-section,
  .why-choose-us-section,
  .newsletter-section,
  .founder-section,
  .testimonials-section {
    /* Added testimonials-section */
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .product-categories-grid,
  .contact-details-grid,
  .vision-grid,
  .benefits-grid,
  .testimonial-grid {
    /* Added testimonial-grid */
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-column {
    margin-bottom: var(--spacing-lg);
  }

  .footer-nav-list {
    justify-content: center;
  }

  .newsletter-form {
    flex-direction: column;
    align-items: center;
  }

  .newsletter-form input[type="email"] {
    max-width: 90%;
  }

  .newsletter-form .primary-btn {
    width: 90%;
    max-width: 350px;
  }

  .founder-content {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  p {
    font-size: 1rem;
  }
}