/* Chemical Industry Cover Page Styles */

/* Hero Banner */
.cover-hero {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.ci-hero {
    background: url('../../images/ban-4.jpg') center center / cover no-repeat;
}

.cover-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 43, 87, 0.75) 0%, rgba(0, 61, 122, 0.65) 100%);
}

.cover-hero-content {
    position: relative;
    z-index: 2;
    color: white;
    padding: 100px 0 80px;
}

.cover-hero-content h1 {
    font-size: 52px;
    font-weight: 900;
    margin-bottom: 16px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.cover-hero-content p {
    font-size: 22px;
    opacity: 0.95;
    max-width: 640px;
    line-height: 1.7;
}

/* Introduction Section */
.cover-intro {
    padding: 80px 0;
    background: white;
}

.cover-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.cover-intro-text h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.cover-intro-text p {
    font-size: 16px;
    line-height: 1.85;
    color: var(--text-light);
    margin-bottom: 20px;
}

.cover-intro-text .btn {
    margin-top: 12px;
}

.cover-intro-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

/* Section Header */
.cover-section-header {
    text-align: center;
    margin-bottom: 48px;
}

.cover-section-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.cover-section-header p {
    font-size: 17px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Service Highlights */
.cover-services {
    padding: 80px 0;
    background: var(--bg-light);
}

.cover-services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.cover-service-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.cover-service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.cover-service-icon {
    height: 180px;
    overflow: hidden;
}

.cover-service-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.cover-service-card:hover .cover-service-icon img {
    transform: scale(1.08);
}

.cover-service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    padding: 24px 24px 12px;
}

.cover-service-card p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-light);
    padding: 0 24px 28px;
}

/* CTA Form Section */
.cta-form-section {
    text-align: center;
}

.cta-form-header h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: -0.3px;
}

.cta-form-header p {
    font-size: 17px;
    margin-bottom: 36px;
    opacity: 0.9;
    line-height: 1.7;
}

.cta-form {
    max-width: 900px;
    margin: 0 auto;
}

.cta-form-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.cta-form-group input,
.cta-form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-body);
    background: white;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
}

.cta-form-group input:focus,
.cta-form-group textarea:focus {
    outline: none;
    border-color: white;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.2);
}

.cta-form-group input::placeholder,
.cta-form-group textarea::placeholder {
    color: var(--text-muted);
}

.cta-form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.cta-form-full {
    margin-bottom: 24px;
}

.cta-form-actions {
    margin-top: 10px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .cover-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cover-intro-grid {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .cover-hero-content h1 {
        font-size: 36px;
    }

    .cover-hero-content p {
        font-size: 18px;
    }

    .cover-hero-content {
        padding: 60px 0 50px;
    }

    .cover-intro-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .cover-intro-text h2 {
        font-size: 28px;
    }

    .cover-section-header h2 {
        font-size: 28px;
    }

    .cover-services-grid {
        grid-template-columns: 1fr;
    }

    .cover-intro,
    .cover-services {
        padding: 50px 0;
    }

    .cta-form-header h2 {
        font-size: 32px;
    }

    .cta-form-header p {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .cta-form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .cover-hero-content h1 {
        font-size: 28px;
        padding: 0 20px;
    }

    .cover-hero-content p {
        font-size: 16px;
        padding: 0 20px;
    }

    .cover-section-header h2 {
        font-size: 24px;
    }

    .cover-intro-text h2 {
        font-size: 24px;
    }

    .cover-service-card h3 {
        font-size: 18px;
    }

    .cta-form-header h2 {
        font-size: 26px;
    }

    .cta-form-row {
        grid-template-columns: 1fr;
    }
}