:root {
    --primary: #000000;
    --accent: #333333;
    --light: #f4f4f5;
    --dark:#3b5943;
    --text: #52525b;
    --border: #e4e4e7;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: #fff;
}

/* Layout Utilities */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    background: #4c6f52;
    color: white;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: #415e46;
}

.btn.white {
    background: white;
    color: var(--primary);
}

.btn.white:hover {
    background: #f4f4f5;
}

.btn-outline {
    display: inline-block;
    background: transparent;
    border: 2px solid #4c6f52;
    color: #4c6f52;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-outline:hover {
    background: #4c6f52;
    color: white;
}

/* Header */
header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: white;
    z-index: 100;
}

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

nav .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-right: 1rem;
}

.retailer {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
}

.retailer img {
    height: 55px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--dark);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
}

.hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--primary);
    border-radius: 3px;
}

/* Hero Section */
.hero {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--dark);
    color: white;
    padding: 0;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero h1 {
    font-size: 3.5rem;
    color: white;
    margin: 0;
    line-height: 1.1;
}

.hero p {
    display: none;
}

.hero-icon {
    height: 60px;
    width: auto;
    margin-right: 25px;
}

/* Product Section */
.product {
    padding: 100px 0;
    scroll-margin-top: 91px;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.product-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.08);
    padding: 40px;
}

.product-code {
    display: inline-block;
    border: 3px solid var(--dark);
    color: var(--dark);
    border-radius: 6px;
    padding: 8px 12px;
    margin-bottom: 0;
    font-weight: 900;
    line-height: 1;
    text-align: center;
    font-size: 1.2rem;
}

.product-title {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.product-details h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0;
    white-space: nowrap;
}

.product-details h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.price {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 20px;
    display: block;
}

.features-list {
    list-style: none;
    margin: 30px 0;
}

.features-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.features-list li::before {
    content: "■";
    color: var(--dark);
    position: absolute;
    left: 0;
    font-size: 1.2em;
    top: 40%;
    transform: translateY(-50%);
    line-height: 1;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.product-actions .btn,
.product-actions .btn-outline {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* Specs Section */
.specs {
    background: white;
    color: var(--primary);
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.spec-item h3 {
    font-size: 0.85rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text);
}

.spec-item p {
    font-size: 1rem;
    font-weight: 600;
    white-space: nowrap;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background-color: var(--light);
    scroll-margin-top: 91px;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 40px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    background-color: var(--dark);
    color: white;
    font-size: 0.9rem;
}

footer a {
    color: white;
    text-decoration: underline;
}

footer a:hover,
footer a:visited,
footer a:active {
    color: white;
    background-color: transparent;
}

.footer-icon {
    height: 40px;
    width: auto;
    margin-bottom: 10px;
}

/* BPIR Specific Styles */
.bpir-content {
    padding: 80px 0;
}

.bpir-content h1 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 40px;
}

.bpir-section {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border);
}

.bpir-section:last-child {
    border-bottom: none;
}

.bpir-section h2 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 15px;
}

.bpir-section p, .bpir-section ul {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.bpir-section ul {
    list-style-position: inside;
    padding-left: 10px;
}

.bpir-section li {
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .product {
        scroll-margin-top: 47px;
        padding: 25px 0;
    }
    .contact {
        scroll-margin-top: 47px;
        padding: 25px 0;
    }
    header {
        padding: 10px 0;
    }
    .logo {
        font-size: 1.4rem;
    }
    .logo img {
        height: 1.6rem;
        margin-right: 0.5rem;
    }
    .hamburger {
        display: flex;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 10px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        gap: 0;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-links a {
        padding: 15px;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--light);
    }
    .nav-links a:last-child {
        border-bottom: none;
    }
    .hero {
        height: 140px;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero-icon {
        height: 40px;
                margin-right: 20px;
    }
    .hero .btn {
        padding: 10px 24px;
        font-size: 0.9rem;
    }
    .bpir-content {
        padding: 40px 0;
    }
    .bpir-content h1 {
        font-size: 2rem;
    }
    .product-title {
        flex-wrap: wrap;
        gap: 10px;
    }
    .product-details h2 {
        font-size: 1.8rem;
    }
    .features-list li {
        margin-bottom: 8px;
    }
}