/* Basic Reset and Variables */
        :root {
            --primary-color: #38761d; /* Dark Green */
            --secondary-color: #f1c232; /* Yellow/Gold */
            --text-color: #333;
            --light-bg: #f5f5f5;
            --dark-bg: #444;
        }

        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            line-height: 1.6;
            color: var(--text-color);
            background-color: white;
        }

        /* Utility Classes */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

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

        /* Header/Hero Section */
        .hero-section {
            background-color: #A9E8E0;
            color: white;
            padding: 60px 0;
            background-image: url('placeholder_header_bg.jpg'); /* Placeholder for a relevant background image */
            background-size: cover;
            background-position: center;
        }

        .hero-section h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
        }

        .hero-section p {
            font-size: 1.2em;
            margin-bottom: 30px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Call to Action Button */
        .cta-button {
            display: inline-block;
            background-color: var(--secondary-color);
            color: var(--text-color);
            padding: 15px 30px;
            text-decoration: none;
            font-size: 1.1em;
            font-weight: bold;
            border-radius: 5px;
            transition: background-color 0.3s;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            border: none;
            cursor: pointer;
            text-transform: uppercase;
        }

        .cta-button:hover {
            background-color: #ffd966; /* Lighter secondary color */
        }

        /* Section Styling */
        .section {
            padding: 60px 0;
            border-bottom: 1px solid #eee;
        }

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

        .section h2 {
            font-size: 2em;
            color: var(--primary-color);
            margin-bottom: 40px;
            text-align: center;
        }

        /* Features/Benefits Grid */
        .grid-3 {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

        .grid-item {
            flex: 1 1 300px; /* Allows up to 3 items per row on large screens */
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
            border-left: 5px solid var(--primary-color);
        }

        .grid-item h3 {
            color: var(--primary-color);
            margin-top: 0;
            display: flex;
            align-items: center;
            font-size: 1.25em;
        }

        .grid-item h3::before {
            content: '✓';
            color: var(--primary-color);
            font-size: 1.5em;
            margin-right: 10px;
        }

        /* How It Works Section */
        .how-it-works-content {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .how-it-works-text {
            flex: 1;
            min-width: 300px;
        }

        .coil-image-mock {
            flex: 1;
            min-width: 250px;
            height: 200px;
            background-color: #ccc;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-style: italic;
            color: #666;
            margin-top: 20px;
            order: -1; /* Move image above text on mobile */
        }

        @media (min-width: 768px) {
            .coil-image-mock {
                order: 1; /* Move image to the right on desktop */
            }
        }

        /* Footer/Final CTA */
        .footer-cta {
            background-color: #A9E8E0;
            color: white;
            text-align: center;
            padding: 40px 0;
        }

        .footer-cta h2 {
            color: black;
            margin-bottom: 20px;
        }

        /* Product Image Mockup Section */
        .product-mockup-top {
            margin-top: 30px;
        }

        .product-mockup-top img {
            max-width: 100%;
            height: auto;
            border: 1px solid #ddd;
            padding: 10px;
            background: white;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        }

        /* FAQ Styling (Accordion style simple) */
        .faq-item {
            border-bottom: 1px solid #ddd;
            padding: 15px 0;
        }

        .faq-question {
            font-weight: bold;
            color: var(--primary-color);
            cursor: pointer;
            display: block;
            margin-bottom: 5px;
        }

        .faq-answer {
            padding-left: 15px;
            margin-top: 10px;
        }
      

        /* ===== NAVBAR BASE ===== */
.navbar {
  position: sticky;       /* stays at top on scroll */
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(6px);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav-logo {
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  text-decoration: none;
}

/* Menu */
.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: #f3f3f3;
  text-decoration: none;
  font-size: 0.98rem;
  transition: color 0.25s ease;
}

.nav-link:hover {
  color: #ffb347;
}

/* CTA Link */
.nav-cta {
  padding: 8px 14px;
  border-radius: 999px;
  background: #ff9500;
  color: #111;
  font-weight: 600;
}

.nav-cta:hover {
  background: #e58300;
  color: #fff;
}

/* ===== HAMBURGER BUTTON (MOBILE) ===== */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  transition: all 0.3s ease;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 768px) {
  /* Show hamburger, hide desktop menu */
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 56px;
    right: 0;
    left: 0;
    flex-direction: column;
    background: rgba(10, 10, 10, 0.97);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-menu.open {
    max-height: 260px; /* enough space for links */
  }

  .nav-menu li {
    padding: 10px 0;
  }

  .nav-cta {
    margin-top: 4px;
  }

  /* Animate hamburger to "X" */
  .nav-toggle.open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
}