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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    font-size: 16px;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Header */
.header {
    background: #ffffff;
    padding: 1rem 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    flex-shrink: 0;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    text-decoration: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: #2563EB;
    color: white;
}

.btn-primary:hover {
    background: #1E40AF;
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: #2563EB;
    border: 2px solid #2563EB;
}

.btn-secondary:hover {
    background: #2563EB;
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 140px 0 80px;
    color: white;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    text-align: left;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
    font-size: 3.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.hero-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: 80px 0;
    background: #f9fafb;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.icon {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
}

.about-item h3 {
    margin-bottom: 1rem;
    color: #1f2937;
}

.about-item p {
    color: #6b7280;
    line-height: 1.6;
}

/* Services Section */
.services {
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.service-card h3 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.service-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Why Choose Section */
.why-choose {
    padding: 80px 0;
    background: #f9fafb;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    text-align: center;
}

.feature h4 {
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.feature p {
    color: #6b7280;
    line-height: 1.6;
}

/* Methodology Section */
.methodology {
    padding: 80px 0;
}

.methodology-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.methodology-text h2 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.methodology-text p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.methodology-text ul {
    list-style: none;
    padding-left: 0;
}

.methodology-text li {
    padding: 0.5rem 0;
    color: #6b7280;
    position: relative;
    padding-left: 1.5rem;
}

.methodology-text li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #16a34a;
    font-weight: bold;
}

/* Insights Section */
.insights {
    padding: 80px 0;
    background: #f9fafb;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.insight-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.insight-card:hover {
    transform: translateY(-2px);
}

.insight-card h3 {
    color: #1f2937;
    margin: 1.5rem 1.5rem 1rem;
}

.insight-card p {
    color: #6b7280;
    margin: 0 1.5rem 1.5rem;
    line-height: 1.6;
}

.insight-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
}

/* Products Section */
.products {
    padding: 80px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    padding: 2rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    text-align: center;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.product-card:hover {
    border-color: #2563EB;
    transform: translateY(-2px);
}

.product-card h3 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.product-card p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.price {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2563EB;
    margin-bottom: 1.5rem;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: #1f2937;
    color: white;
}

.benefits .section-header h2,
.benefits .section-header p {
    color: white;
}

.benefits-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

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

.benefit-number {
    font-size: 3rem;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

.benefit-item p {
    color: #d1d5db;
    font-size: 1rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: #eff6ff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2563EB;
}

.contact-item h4 {
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: #6b7280;
    margin: 0;
}

/* Contact Form */
.contact-form {
    background: #f9fafb;
    padding: 2rem;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #1f2937;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563EB;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-legal {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-subsection h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-logo .brand-name {
    color: white;
    font-size: 1.25rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-section p {
    color: #d1d5db;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid #374151;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    margin: 0;
}

/* Image Placeholders */
.image-placeholder {
    width: 100%;
    height: 200px;
    background: #f3f4f6;
    border: 2px dashed #d1d5db;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    font-weight: 500;
}

.methodology-image .image-placeholder {
    height: 300px;
}

.content-photo {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */

/* Centered Sections */
.centered-section {
    text-align: center;
}

.centered-section .section-header {
    text-align: center;
}

.centered-section .about-grid,
.centered-section .services-grid,
.centered-section .features-grid,
.centered-section .products-grid,
.centered-section .insights-grid {
    text-align: center;
}

.centered-section .methodology-content {
    text-align: left;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

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

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

    .hero-content p {
        font-size: 1.125rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-buttons .btn {
        width: 200px;
    }

    .methodology-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-grid,
    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .benefits-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-legal {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .benefits-content {
        grid-template-columns: 1fr;
    }

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

    .hero-content p {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}