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

:root {
    --navy: #1a1f36;
    --light-navy: #2a3047;
    --teal: #00d4aa;
    --dark-teal: #00b896;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --border-color: #e9ecef;
    --shadow: 0 2px 10px rgba(26, 31, 54, 0.1);
    --shadow-lg: 0 10px 30px rgba(26, 31, 54, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--navy);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }

p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--medium-gray);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: var(--dark-teal);
    border-color: var(--dark-teal);
}

.btn-secondary {
    background-color: transparent;
    color: var(--navy);
    border-color: var(--navy);
}

.btn-secondary:hover {
    background-color: var(--navy);
    color: var(--white);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.2rem;
}

/* Header */
.header {
    background-color: var(--white);
    padding: 20px 0;
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

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

.logo-icon {
    width: 40px;
    height: 40px;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--navy);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
}

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 30px;
    color: var(--medium-gray);
}

.hero-cta {
    display: flex;
    gap: 20px;
}

.hero-image .image-placeholder {
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    box-shadow: var(--shadow);
}

.preview-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-header h2 {
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.2rem;
}

/* Overview Section */
.overview {
    background-color: var(--white);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.overview-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 12px;
    background-color: var(--white);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.overview-card img {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

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

/* Features Section */
.features {
    background-color: var(--light-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.feature-item img {
    width: 50px;
    height: 50px;
    margin-bottom: 15px;
}

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

/* Benefits Section */
.benefits {
    background-color: var(--white);
}

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

.benefits-intro {
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.benefit-item img {
    width: 20px;
    height: 20px;
}

.benefit-item span {
    font-size: 1.1rem;
    color: var(--dark-gray);
}

.benefits-image .image-placeholder {
    background-color: var(--light-gray);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
}

.benefits-image .image-placeholder img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

/* Products Section */
.products {
    background-color: var(--light-gray);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--white);
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    border: 2px solid var(--border-color);
    position: relative;
}

.product-card.featured {
    border-color: var(--teal);
    transform: scale(1.05);
}

.product-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    position: relative;
}

.product-header img {
    width: 40px;
    height: 40px;
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: -15px;
    background-color: var(--teal);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-description {
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.product-features {
    margin-bottom: 30px;
}

.product-features .feature {
    padding: 8px 0;
    color: var(--dark-gray);
    border-bottom: 1px solid var(--border-color);
}

.product-features .feature:last-child {
    border-bottom: none;
}

.product-btn {
    width: 100%;
    text-align: center;
}

/* Why Choose Section */
.why-choose {
    background-color: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.why-item {
    text-align: center;
    padding: 30px 20px;
}

.why-item img {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.why-item h4 {
    margin-bottom: 15px;
}

/* Case Studies Section */
.case-studies {
    background-color: var(--light-gray);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.case-study {
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.case-image .image-placeholder {
    background-color: var(--light-gray);
    padding: 40px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.case-image img {
    width: 60px;
    height: 60px;
    margin-bottom: 10px;
}

.case-content {
    padding: 30px;
}

.case-content h4 {
    margin-bottom: 15px;
    color: var(--teal);
}

.case-content p {
    margin-bottom: 20px;
    font-style: italic;
}

.case-author {
    color: var(--navy);
}

/* Contact Section */
.contact {
    background-color: var(--navy);
    color: var(--white);
}

.contact .section-header h2,
.contact .section-header p {
    color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-item img {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.contact-details h4 {
    color: var(--teal);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact-details a {
    color: var(--white);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
}

.contact-details a:hover {
    color: var(--teal);
}

.contact-details address {
    color: var(--white);
    font-style: normal;
    line-height: 1.4;
}

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

.disclaimer {
    margin-top: 20px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.footer {
    background-color: var(--light-navy);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-info {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-section h5 {
    color: var(--teal);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

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

.footer-section ul li a:hover {
    color: var(--teal);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Image Placeholders */
.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--medium-gray);
    font-weight: 500;
}

.image-placeholder span {
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-image img {
        height: 250px !important;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-cta {
        justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .benefits-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

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

    .product-card.featured {
        transform: none;
    }

    .case-studies-grid {
        grid-template-columns: 1fr;
    }

    .overview-card > div,
    .feature-item > div {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center;
    }

    .why-item > div {
        align-items: center !important;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-info {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-image img {
        height: 200px !important;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .btn-large {
        padding: 14px 30px;
        font-size: 1rem;
    }

    .overview-card img:last-child,
    .feature-item img:last-child {
        width: 60px !important;
        height: 45px !important;
    }

    .why-item img:last-child {
        width: 100px !important;
        height: 60px !important;
    }
}