/* ===================================
   Niharika Rubber Industries Website
   Professional & Secure Styling
   =================================== */

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

:root {
    --primary-color: #1a5490;
    --secondary-color: #2980b9;
    --accent-color: #e74c3c;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-color: #333;
    --border-color: #ddd;
    --success-color: #27ae60;
    --error-color: #e74c3c;
    --warning-color: #f39c12;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.iso-badge {
    font-size: 0.75rem;
    color: var(--success-color);
    font-weight: 500;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,101.3C1248,85,1344,75,1392,69.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    animation: fadeInUp 1s;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 10px;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #0f3d6f;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border-color: white;
}

.btn-secondary:hover {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-full {
    width: 100%;
}

/* Sections */
.section {
    padding: 60px 0;
}

.bg-light {
    background: var(--light-color);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 40px;
}

.text-center {
    text-align: center;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* About Preview */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-top: 40px;
}

.about-content h2 {
    color: var(--dark-color);
    margin-bottom: 20px;
}

.about-content p {
    margin-bottom: 15px;
    color: #555;
}

.about-stats {
    display: grid;
    gap: 20px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    text-align: center;
    border-left: 4px solid var(--primary-color);
}

.stat-card h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 5px;
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.product-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s;
    border-top: 4px solid var(--primary-color);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.product-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* Product Detail Cards */
.product-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-detail-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.product-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.product-detail-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.product-description {
    color: #666;
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
    margin: 20px 0;
}

.product-features li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #555;
}

.product-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.product-applications {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.product-applications strong {
    color: var(--primary-color);
}

/* Materials Grid */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.material-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-left: 4px solid var(--secondary-color);
}

.material-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Custom Process */
.custom-process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.process-step {
    background: white;
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.process-step h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

/* Content Block */
.content-block {
    max-width: 900px;
    margin: 0 auto;
}

.content-block p {
    margin-bottom: 15px;
    font-size: 1.05rem;
    line-height: 1.8;
    color: #555;
}

/* Mission & Vision */
.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.mission-card,
.vision-card {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.mission-card h3,
.vision-card h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 20px;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.value-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    border-top: 3px solid var(--secondary-color);
}

.value-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Why Choose Content */
.why-choose-content {
    margin-top: 40px;
}

.why-item {
    background: white;
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    border-left: 4px solid var(--primary-color);
}

.why-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* ISO Highlight */
.iso-highlight {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 50px;
    align-items: center;
    background: white;
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin-top: 40px;
}

.iso-badge-large {
    text-align: center;
    background: linear-gradient(135deg, var(--success-color), #229954);
    color: white;
    padding: 40px;
    border-radius: 15px;
}

.iso-circle {
    width: 100px;
    height: 100px;
    background: white;
    color: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.iso-badge-large h2 {
    font-size: 2.5rem;
    margin-bottom: 5px;
}

.iso-content h2 {
    color: var(--dark-color);
    margin-bottom: 20px;
}

.iso-benefits {
    margin-top: 25px;
    padding: 25px;
    background: var(--light-color);
    border-radius: 8px;
}

.iso-benefits h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.iso-benefits ul {
    list-style: none;
}

.iso-benefits li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.iso-benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Policy Commitments */
.policy-commitments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.commitment-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    border-top: 3px solid var(--secondary-color);
}

.commitment-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.quality-statement {
    font-size: 1.2rem;
    color: var(--dark-color);
    font-weight: 500;
    margin-bottom: 30px;
    padding: 20px;
    background: white;
    border-left: 4px solid var(--primary-color);
    border-radius: 5px;
}

/* QC Process */
.qc-process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.qc-step {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 15px;
}

.qc-step h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Testing Grid */
.testing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.test-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.test-card h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.test-card ul {
    list-style: none;
}

.test-card li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    color: #555;
}

.test-card li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Standards */
.standards-content {
    max-width: 800px;
    margin: 0 auto;
}

.standards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.standard-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    text-align: center;
}

.standard-item strong {
    color: var(--primary-color);
    font-size: 1.1rem;
    display: block;
    margin-bottom: 5px;
}

/* Team Features */
.team-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.team-feature {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    text-align: center;
}

.team-feature h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Satisfaction Metrics */
.satisfaction-metrics {
    display: flex;
    justify-content: space-around;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.metric {
    text-align: center;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    flex: 1;
    min-width: 200px;
}

.metric h3 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* Contact Layout */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    margin-top: 40px;
}

.contact-info h2 {
    color: var(--dark-color);
    margin-bottom: 15px;
}

.contact-details {
    margin-top: 30px;
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.contact-icon {
    font-size: 2rem;
    min-width: 40px;
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.contact-certifications {
    margin-top: 30px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.contact-certifications h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.cert-badge {
    padding: 15px;
    background: var(--light-color);
    border-radius: 5px;
    text-align: center;
}

.cert-badge strong {
    color: var(--success-color);
    font-size: 1.2rem;
    display: block;
    margin-bottom: 5px;
}

/* Contact Form */
.contact-form-wrapper {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.contact-form-wrapper h3 {
    color: var(--dark-color);
    margin-bottom: 25px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    color: var(--dark-color);
    font-weight: 500;
}

.required {
    color: var(--error-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    cursor: pointer;
}

.error-message {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: 5px;
    display: none;
}

.error-message.show {
    display: block;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--error-color);
}

.char-count {
    font-size: 0.85rem;
    color: #888;
    margin-top: 5px;
}

.success-message {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 15px;
    border-radius: 5px;
    margin-top: 20px;
}

.success-message strong {
    display: block;
    margin-bottom: 5px;
}

/* Map Placeholder */
.map-placeholder {
    background: white;
    padding: 60px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    margin-top: 30px;
}

/* FAQ Grid */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.faq-item {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.faq-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 50px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 15px;
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul a:hover {
    color: white;
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        display: none;
        gap: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        padding: 10px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .about-grid,
    .mission-vision-grid,
    .iso-highlight,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid,
    .products-grid,
    .product-detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}