/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-content h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: clamp(2.5rem, 5vw, 4rem);
}

.hero-content p {
    color: var(--white);
    opacity: 0.9;
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: 2rem;
}

.cta-button {
    background: var(--white);
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* IP Code Explanation Section */
.ip-code-explanation {
    background: var(--white);
    padding: 6rem 0;
}

.ip-explanation-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.ip-main-content {
    padding-right: 2rem;
}

.ip-code-structure {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--radius-md);
    margin: 2rem 0;
}

.code-explanation {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 1.5rem;
}

.digit-box {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.digit-box strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Rating Tables */
.rating-table {
    margin: 2rem 0;
}

.rating-table h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.rating-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.rating-table th,
.rating-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.rating-table th {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 500;
}

.rating-table td {
    color: var(--text-secondary);
}

.rating-table tr:hover {
    background: var(--bg-light);
}

/* Sidebar */
.ip-code-sidebar {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--radius-lg);
    position: sticky;
    top: 100px;
}

.ip-code-sidebar .rating-table {
    margin-top: 2rem;
}

.ip-code-sidebar .rating-table table {
    font-size: 0.9rem;
}

.ip-code-sidebar .rating-table td {
    padding: 0.75rem;
}

.key-points,
.certification-info {
    margin-bottom: 2rem;
}

.key-points h4,
.certification-info h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.key-points ul,
.certification-info ul {
    list-style: none;
    padding: 0;
}

.key-points li,
.certification-info li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.key-points li::before,
.certification-info li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Introduction Section */
.introduction {
    background: var(--bg-light);
    padding: 6rem 0;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.intro-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.intro-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.intro-image:hover img {
    transform: scale(1.05);
}

.intro-content h2 {
    margin-bottom: 1.5rem;
}

/* Water Ingress Section */
.water-ingress {
    background: var(--white);
    padding: 6rem 0;
}

.water-ingress-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

.water-ingress-content h2 {
    margin-bottom: 2rem;
}

.water-test-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.test-type {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    transition: transform 0.3s ease;
}

.test-type:hover {
    transform: translateY(-5px);
}

.test-type h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.test-type h3 a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.test-type h3 a:hover {
    color: var(--primary-light);
}

.water-ingress-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.water-ingress-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Contact Section */
.contact {
    background: var(--bg-light);
}

#contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
}

#contact-form input,
#contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-sm);
    font-family: inherit;
    transition: border-color 0.3s ease;
}

#contact-form input:focus,
#contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

#contact-form button {
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#contact-form button:hover {
    background: var(--primary-light);
}

/* Product Links Section */
.product-links {
    padding: 4rem 0;
    background: var(--bg-light);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.product-item {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
    position: relative;
}

.product-item:hover {
    transform: translateY(-5px);
}

.product-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    line-height: 1.4;
}

.product-item p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.learn-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    position: absolute;
    bottom: 2rem;
}

.learn-more::after {
    content: '→';
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
}

.learn-more:hover::after {
    transform: translateX(5px);
}

/* IP Code Section */
.ip-code-section {
    background: var(--white);
    padding: 6rem 0;
}

.ip-code-section h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.ip-code-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.ip-code-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.ip-code-content h3 {
    color: var(--primary-color);
    margin: 2.5rem 0 1.5rem;
    font-size: 1.5rem;
}

.standards-list {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.standards-list li {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
}

.standards-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* IP Code Introduction New */
.ip-code-intro-new {
    background: var(--white);
    padding: 6rem 0;
    width: 100%;
    position: relative;
}

.ip-code-intro-new::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--primary-color), transparent);
    opacity: 0.2;
}

.ip-code-intro-new h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.ip-code-content-new {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
}

.ip-code-content-new p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    text-align: justify;
}

.ip-code-content-new h3 {
    color: var(--primary-color);
    margin: 2.5rem 0 1.5rem;
    font-size: 1.5rem;
}

.standards-list-new {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.standards-list-new li {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
    font-size: 1.1rem;
}

.standards-list-new li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .ip-explanation-grid {
        grid-template-columns: 1fr;
    }

    .ip-code-sidebar {
        position: static;
        margin-top: 2rem;
    }

    .ip-main-content {
        padding-right: 0;
    }

    .water-test-types {
        grid-template-columns: 1fr;
    }

    .ip-code-content-new {
        margin: 0 2rem;
        width: auto;
    }
}

@media (max-width: 768px) {
    .hero {
        height: 70vh;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .code-explanation {
        grid-template-columns: 1fr;
    }

    .intro-image {
        margin: 0 auto;
        max-width: 500px;
    }

    .rating-table {
        overflow-x: auto;
    }

    .rating-table table {
        min-width: 500px;
    }

    .product-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .product-item {
        padding: 1.5rem;
    }

    .product-item h3 {
        font-size: 1.1rem;
    }

    .ip-code-section {
        padding: 4rem 0;
    }

    .ip-code-content {
        padding: 2rem;
    }

    .ip-code-section h2 {
        font-size: 2rem;
    }

    .ip-code-content p,
    .standards-list li {
        font-size: 1rem;
    }

    .ip-code-intro-new {
        padding: 4rem 0;
    }

    .ip-code-intro-new h2 {
        font-size: 2rem;
    }

    .ip-code-content-new {
        padding: 2rem;
        margin: 0 1rem;
    }

    .ip-code-content-new p,
    .standards-list-new li {
        font-size: 1rem;
    }
}