/* ===================================
   MICRO MINERALS REFRACTORY - COMPONENTS
   Reusable Component Styles
   =================================== */

/* ===================================
   Header & Navigation
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    z-index: var(--z-fixed);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    max-width: 1440px;
    margin: 0 auto;
}

.logo {
    height: 50px;
    width: auto;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-link {
    position: relative;
    font-family: var(--font-heading);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    color: var(--color-secondary);
    padding: var(--space-2) 0;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-secondary);
    transition: all var(--transition-base);
    border-radius: var(--border-radius-sm);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background-color: var(--color-secondary-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 70px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(27, 172, 227, 0.85), rgba(44, 62, 80, 0.75));
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    padding: var(--space-12) var(--space-6);
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    margin-bottom: var(--space-6);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-white);
    margin-bottom: var(--space-8);
    opacity: 0.95;
    line-height: var(--line-height-relaxed);
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Product Cards
   =================================== */

.product-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.product-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.product-card-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background-color: var(--color-gray-100);
}

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

.product-card:hover .product-card-image img {
    transform: scale(1.1);
}

.product-card-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-md);
}

.product-card-content {
    padding: var(--space-6);
}

.product-card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary);
    margin-bottom: var(--space-3);
}

.product-card-category {
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-3);
}

.product-card-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
}

/* ===================================
   Feature Cards
   =================================== */

.feature-card {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

.feature-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-4xl);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary);
    margin-bottom: var(--space-3);
}

.feature-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
}

/* ===================================
   Forms
   =================================== */

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: var(--font-weight-semibold);
    color: var(--color-secondary);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-base);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27, 172, 227, 0.1);
}

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

.form-error {
    color: #DC2626;
    font-size: var(--font-size-sm);
    margin-top: var(--space-2);
    display: none;
}

.form-group.error .form-input,
.form-group.error .form-textarea {
    border-color: #DC2626;
}

.form-group.error .form-error {
    display: block;
}

.form-success {
    color: #059669;
    font-size: var(--font-size-sm);
    margin-top: var(--space-2);
}

/* ===================================
   Footer
   =================================== */

.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-section h3 {
    color: var(--color-white);
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-4);
}

.footer-section p,
.footer-section a {
    color: var(--color-gray-300);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-3);
}

.footer-section a:hover {
    color: var(--color-primary-light);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-6);
    text-align: center;
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

/* ===================================
   Modal
   =================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: var(--z-modal-backdrop);
    animation: fadeIn var(--transition-base);
}

.modal-content {
    position: relative;
    background-color: var(--color-white);
    border-radius: var(--border-radius-xl);
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: var(--z-modal);
    box-shadow: var(--shadow-2xl);
    animation: scaleIn var(--transition-base);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-2xl);
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ===================================
   Section Headers
   =================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-secondary);
    margin-bottom: var(--space-4);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--border-radius-full);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    max-width: 700px;
    margin: var(--space-6) auto 0;
    line-height: var(--line-height-relaxed);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--space-8);
        box-shadow: var(--shadow-xl);
        transition: left var(--transition-base);
    }

    .nav.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: var(--space-4);
    }

    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--space-3) 0;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        min-height: 500px;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .product-card-image {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 400px;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }
}