/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    background-color: #000000;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.header {
    text-align: center;
    padding: 2rem 1rem;
    background-color: #000000;
}

.sapphire-logo {
    max-width: 350px;
    height: auto;
    display: inline-block;
}

/* Hero Section */
.hero-section {
    width: 100%;
    margin-bottom: 1.5rem;
}

.banner-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    background-color: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.banner-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}


/* Shop From Section */
.shop-from-section {
    padding: 3rem 1rem;
    text-align: center;
    background-color: #000000;
}

.section-heading {
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 2rem;
    color: #ffffff;
}

.logo-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-button {
    background-color: #ffffff;
    border: none;
    padding: 1rem 2rem;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex: 1;
    min-width: 150px;
    max-width: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
}

.logo-button:hover {
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

.logo-img {
    max-width: 100%;
    height: auto;
    max-height: 90px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo-button:hover .logo-img {
    transform: scale(1.15);
}

/* Specifications Section */
.specs-section {
    width: 100%;
    padding: 2rem 1rem;
    background-color: #000000;
    margin-bottom: 2rem;
}

.specs-container {
    max-width: 1200px;
    margin: 0 auto;
}

.specs-heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.specs-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.75rem;
    padding: 0;
}

.spec-item {
    padding: 0.75rem 1rem;
    border-left: 3px solid #ffffff;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.spec-item:hover {
    background-color: #1a1a1a;
}

.spec-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #00ddff;
}

.spec-icon svg {
    width: 20px;
    height: 20px;
}

.spec-label {
    font-size: 1rem;
    color: #00ddff;
    font-weight: 400;
    line-height: 1.5;
    flex: 1;
}

.know-more-container {
    text-align: center;
    margin-top: 2rem;
}

.know-more-button {
    display: inline-block;
    padding: 0.625rem 1.75rem;
    background-color: transparent;
    color: #00ddff;
    border: 2px solid #00ddff;
    border-radius: 30px;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.know-more-button:hover {
    background-color: #00ddff;
    color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 221, 255, 0.4);
}

/* Banner Sections */
.banner-section {
    width: 100%;
    margin-bottom: 2rem;
}

.banner-section .banner-container {
    min-height: 300px;
}

/* Footer */
.footer {
    background-color: #000000;
    padding: 3rem 1rem 2rem;
    text-align: center;
}

.copyright {
    font-size: 0.9rem;
    color: #ffffff;
    margin-top: 1.5rem;
    line-height: 1.8;
}

.copyright-link {
    color: #00ddff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.copyright-link:hover {
    color: #ffffff;
    text-decoration: underline;
}

.footer-logo-img {
    max-width: 150px;
    height: auto;
    max-height: 45px;
    object-fit: contain;
    display: inline-block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sapphire-logo {
        max-width: 250px;
    }

    .section-heading {
        font-size: 1.2rem;
        letter-spacing: 2px;
    }

    .logo-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .logo-button {
        width: 100%;
        max-width: 100%;
        min-width: unset;
        padding: 0.75rem 1rem;
    }

    .logo-img {
        max-height: 70px;
    }

    .banner-container {
        min-height: auto;
        display: block;
    }

    .banner-section .banner-container {
        min-height: auto;
        display: block;
    }

    .banner-image {
        height: auto;
    }

    .specs-section {
        padding: 1.5rem 1rem;
    }

    .specs-heading {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .specs-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .spec-item {
        padding: 0.625rem 0.875rem;
        gap: 0.625rem;
    }

    .spec-icon svg {
        width: 18px;
        height: 18px;
    }

    .spec-label {
        font-size: 0.95rem;
    }

    .know-more-container {
        margin-top: 1.5rem;
    }

    .know-more-button {
        padding: 0.5rem 1.5rem;
        font-size: 0.8rem;
    }

    .copyright {
        font-size: 0.8rem;
        padding: 0 1rem;
    }

    .footer-logo-img {
        max-width: 100px;
        max-height: 30px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1.5rem 1rem;
    }

    .sapphire-logo {
        max-width: 200px;
    }

    .shop-from-section {
        padding: 2rem 1rem;
    }

    .section-heading {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .logo-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .logo-button {
        width: 100%;
        max-width: 100%;
        min-width: unset;
    }

    .banner-container {
        min-height: auto;
        display: block;
    }

    .banner-section .banner-container {
        min-height: auto;
        display: block;
    }

    .banner-image {
        height: auto;
    }

    .specs-section {
        padding: 1.25rem 1rem;
    }

    .specs-heading {
        font-size: 1.1rem;
        margin-bottom: 0.875rem;
        letter-spacing: 1px;
    }

    .specs-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.4rem;
    }

    .spec-item {
        padding: 0.5rem 0.75rem;
        gap: 0.5rem;
    }

    .spec-icon svg {
        width: 16px;
        height: 16px;
    }

    .spec-label {
        font-size: 0.9rem;
    }

    .know-more-container {
        margin-top: 1.25rem;
    }

    .know-more-button {
        padding: 0.5rem 1.25rem;
        font-size: 0.75rem;
    }

    .footer {
        padding: 2rem 1rem 1.5rem;
    }

    .copyright {
        font-size: 0.75rem;
    }

    .footer-logo-img {
        max-width: 80px;
        max-height: 25px;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 1.5rem;
        right: 1.5rem;
    }

    .back-to-top svg {
        width: 18px;
        height: 18px;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: #00ddff;
    color: #000000;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 221, 255, 0.3);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 221, 255, 0.5);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* Large Screens */
@media (min-width: 1200px) {
    .sapphire-logo {
        max-width: 400px;
    }

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

    .banner-container {
        min-height: 500px;
    }

    .banner-section .banner-container {
        min-height: 400px;
    }
}