:root {
    --brand-lime: #9fc031;
    --brand-teal: #005b52;
    --brand-dark: #13222b;
    --bg-light: #efefef;
    --text-grey: #4a4a4a;
    --shadow: 0 10px 30px rgba(19, 34, 43, 0.1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--brand-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -1px;
}

/* --- Navigation --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-btn {
    background-color: var(--brand-teal);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.nav-btn:hover {
    transform: scale(1.05);
    background-color: black;
}

/* Announcement Bar */
.announcement-bar {
    background-color: var(--brand-teal);
    color: white;
    text-align: center;
    padding: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Ratings */
.rating {
    color: #FFD700;
    margin-bottom: 20px;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.rating span {
    color: var(--text-grey);
    font-size: 0.9rem;
    font-weight: 400;
}

/* FAQ Section */
.faq-section {
    padding: 80px 5%;
    background: #fff;
}
details {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
    max-width: 800px;
    margin: 0 auto;
}
summary {
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
}
summary::-webkit-details-marker {
    display: none;
}
summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--brand-lime);
}
details[open] summary::after {
    content: '-';
}

/* --- Logo Strip (As Seen In) --- */
.logo-strip {
    background: #f5f5f5;
    padding: 30px 0;
    text-align: center;
}
.logo-strip p {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #888;
    margin-bottom: 20px;
    font-weight: 700;
}
.logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    opacity: 0.6;
}
.logos i {
    font-size: 2rem;
    color: #aaa;
}

/* --- Product Buy Section (BlendJet Style) --- */
.product-buy-section {
    padding: 80px 5%;
    background: white;
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    justify-content: center;
}

.product-gallery {
    flex: 1;
    min-width: 300px;
    max-width: 600px;
}
.product-gallery img {
    width: 100%;
    border-radius: 20px;
    background: #f9f9f9;
}

.product-gallery .gallery-thumbs {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.product-gallery .gallery-thumbs img {
    width: calc(33.33% - 7px);
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.product-gallery .gallery-thumbs img:hover {
    border-color: var(--brand-teal);
}

.product-details {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
}

.product-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.product-price {
    font-size: 1.8rem;
    color: var(--brand-dark);
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.product-price .original-price {
    text-decoration: line-through;
    color: #999;
    font-size: 1.2rem;
}

.product-price .discount-badge {
    background: var(--brand-lime);
    color: var(--brand-dark);
    font-size: 0.8rem;
    padding: 5px 10px;
    border-radius: 4px;
    text-transform: uppercase;
}

.color-selector {
    margin-bottom: 30px;
}
.color-label {
    font-weight: 600;
    margin-bottom: 10px;
    display: block;
}
.color-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--brand-lime);
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--brand-dark);
    cursor: pointer;
}

.add-to-cart-btn {
    width: 100%;
    background: var(--brand-teal);
    color: white;
    padding: 20px;
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s;
    margin-bottom: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}
.add-to-cart-btn:hover {
    transform: scale(1.02);
    background: black;
}

.guarantee-box {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 10px;
    display: flex;
    gap: 15px;
    align-items: center;
    font-size: 0.9rem;
    color: #666;
}

/* --- Hero Section --- */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    background: radial-gradient(circle at top right, rgba(159, 192, 49, 0.2) 0%, var(--bg-light) 60%);
    position: relative;
    overflow: hidden;
}

.hero-text {
    flex: 1;
    z-index: 2;
}

.hero h1 {
    font-size: 5rem;
    line-height: 0.9;
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--brand-teal);
    display: block;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-grey);
    margin-bottom: 40px;
    max-width: 500px;
}

.cta-btn {
    display: inline-block;
    background: var(--brand-teal);
    color: white;
    padding: 18px 40px;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 10px 20px rgba(0, 91, 82, 0.3);
    transition: all 0.3s ease;
}

.cta-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 91, 82, 0.5);
}

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
}

/* Abstract circle behind product */
.hero-image::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: var(--brand-lime);
    border-radius: 50%;
    z-index: -1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.2;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.2));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* --- Marquee Banner --- */
.marquee {
    background: var(--brand-dark);
    color: white;
    padding: 15px 0;
    overflow: hidden;
    white-space: nowrap;
}

.marquee-content {
    display: inline-block;
    animation: marquee 20s linear infinite;
}

.marquee span {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0 40px;
    text-transform: uppercase;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* --- Features Grid --- */
.features {
    padding: 100px 5%;
    text-align: center;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 20px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.icon-box {
    font-size: 3rem;
    color: var(--brand-teal);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* --- Product Showcase / Use Cases --- */
.showcase {
    display: flex;
    flex-wrap: wrap;
}

.showcase-item {
    flex: 1 1 50%;
    min-height: 500px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.showcase-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.showcase-item:hover .showcase-img {
    transform: scale(1.1);
}

.showcase-content {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.9);
    padding: 40px;
    max-width: 400px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* --- User Guide Section --- */
.user-guide {
    padding: 80px 5%;
    text-align: center;
    background-color: var(--bg-light);
}

.guide-container {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.guide-container img {
    width: 100%;
    display: block;
}

/* --- Contact Section --- */
.contact-section {
    padding: 80px 5%;
    background: white;
}

.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-left, .contact-right {
    flex: 1;
    min-width: 300px;
}

.contact-left h3, .contact-right h3 {
    margin-bottom: 20px;
    font-size: 2rem;
}

.contact-info {
    margin-bottom: 30px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-grey);
}

.map-container {
    width: 100%;
    height: 300px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input, .contact-form textarea {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
}

.contact-form button {
    background: var(--brand-teal);
    color: white;
    padding: 15px;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s;
    align-self: flex-start;
}

.contact-form button:hover {
    background: var(--brand-dark);
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 40px;
    background: #111;
    color: #666;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #888;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

/* --- Sticky Mobile Cart --- */
.sticky-cart {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: white;
    padding: 15px 20px;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
    display: none;
    z-index: 1000;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #eee;
}

.sticky-cart-price {
    font-weight: 700;
    font-size: 1.2rem;
}

.sticky-cart .nav-btn {
    padding: 10px 25px;
    font-size: 1rem;
}

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-image {
        margin-top: 50px;
    }

    .showcase-item {
        flex: 1 1 100%;
    }
    
    .product-buy-section {
        gap: 30px;
        padding: 40px 5%;
    }
    
    .sticky-cart {
        display: flex;
    }
    body {
        padding-bottom: 80px;
    }
}

/* --- Checkout Modal --- */
.checkout-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 450px;
    position: relative;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    max-height: 90vh;
    overflow-y: auto;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    color: #aaa;
    cursor: pointer;
    line-height: 1;
}

.close-modal:hover { color: var(--brand-dark); }

.order-summary {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 10px;
    margin: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.checkout-form input,
.checkout-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
}

.checkout-form textarea {
    resize: vertical;
}

.form-row {
    display: flex;
    gap: 10px;
}

.form-row input {
    flex: 1;
}

/* --- Quantity Selector --- */
.qty-selector {
    display: flex;
    align-items: center;
    margin-top: 8px;
}

.qty-controls {
    display: flex;
    align-items: center;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-left: 10px;
    overflow: hidden;
}

.qty-btn {
    background: #f5f5f5;
    border: none;
    width: 30px;
    height: 30px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555;
    transition: background 0.2s;
}

.qty-btn:hover { background: #e0e0e0; }

.qty-input {
    width: 40px;
    height: 30px;
    text-align: center;
    border: none;
    border-left: 1px solid #ddd;
    border-right: 1px solid #ddd;
    font-family: inherit;
    font-weight: 600;
    -moz-appearance: textfield; /* Firefox */
}

/* Hide Default Spinners */
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}