* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --white: #FFFFFF;
    --navy-blue: #001F3F;
    --turquoise: #30D5C8;
    --azure: #007FFF;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
}

body {
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--navy-blue);
    background: var(--white);
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0, 31, 63, 0.1);
    padding: 1rem 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    color: var(--navy-blue);
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--navy-blue);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 600;
}

.nav-links a:hover {
    color: var(--azure);
}

.nav-links a.active {
    color: var(--turquoise);
}

/* Hero Section */
.hero {
    background: var(--navy-blue);
    color: var(--white);
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--navy-blue) 0%, rgba(0, 127, 255, 0.1) 100%);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.cta-button {
    display: inline-block;
    background: var(--turquoise);
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(48, 213, 200, 0.3);
    animation: fadeInUp 1s ease 0.4s both;
    margin: 0.5rem;
    cursor: pointer;
    border: none;
}

.cta-button:hover {
    background: #28c4b8;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(48, 213, 200, 0.4);
}

.cta-button.azure {
    background: var(--azure);
    box-shadow: 0 4px 20px rgba(0, 127, 255, 0.3);
}

.cta-button.azure:hover {
    background: #0066cc;
    box-shadow: 0 8px 30px rgba(0, 127, 255, 0.4);
}

/* What We Do Section */
.what-we-do {
    padding: 80px 0;
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--navy-blue);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--medium-gray);
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.service-card {
    text-align: center;
    padding: 2rem;
    border-radius: 20px;
    background: var(--light-gray);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 31, 63, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--turquoise), var(--azure));
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.service-card h3 {
    color: var(--navy-blue);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 31, 63, 0.05);
}

.benefit-icon {
    font-size: 2rem;
    color: var(--turquoise);
    flex-shrink: 0;
}

.cta-section {
    background: var(--light-gray);
    padding: 60px 0;
    text-align: center;
}

/* Page wrapper */
.page-wrapper {
    padding-top: 80px;
}

.content-section {
    padding: 60px 0 80px;
}

/* Services Page */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.package-card {
    background: var(--white);
    border-radius: 25px;
    padding: 3rem 2rem;
    box-shadow: 0 15px 40px rgba(0, 31, 63, 0.1);
    transition: all 0.3s ease;
    position: relative;
    text-align: center;
}

.package-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 60px rgba(0, 31, 63, 0.15);
}

.package-title {
    color: var(--navy-blue);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.package-description {
    color: var(--medium-gray);
    margin-bottom: 2rem;
}

.package-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.package-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.package-features li i {
    color: var(--turquoise);
    margin-top: 0.2rem;
}

/* Blog */
.blog-post {
    background: var(--white);
    border-radius: 25px;
    padding: 3rem;
    box-shadow: 0 15px 40px rgba(0, 31, 63, 0.1);
    margin-bottom: 3rem;
}

.blog-post h3 {
    color: var(--navy-blue);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.blog-post-meta {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.blog-illustration {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 15px;
    margin: 2rem 0;
}

.blog-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1.05rem;
}

.blog-content h4 {
    color: var(--navy-blue);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.blog-excerpt {
    max-height: 200px;
    overflow: hidden;
    position: relative;
}

.blog-excerpt::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, transparent, white);
}

/* Contact/Onboarding Form */
.follow-us-section {
    text-align: center;
    margin-bottom: 3rem;
}

.follow-us-section h3 {
    font-size: 1.8rem;
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.follow-us-section p {
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.social-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--light-gray);
    color: var(--navy-blue);
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon-link:hover {
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.social-icon-link:nth-child(1):hover { background: #000000; }
.social-icon-link:nth-child(2):hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}
.social-icon-link:nth-child(3):hover { background: #1877F2; }

.form-container {
    background: var(--white);
    border-radius: 25px;
    padding: 3rem;
    box-shadow: 0 20px 50px rgba(0, 31, 63, 0.1);
    max-width: 600px;
    margin: 3rem auto 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--navy-blue);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--light-gray);
    border-radius: 15px;
    font-size: 1rem;
    font-family: 'Montserrat', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--turquoise);
    box-shadow: 0 0 0 3px rgba(48, 213, 200, 0.1);
}

.submit-btn {
    background: var(--azure);
    color: var(--white);
    padding: 1rem 3rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.submit-btn:hover {
    background: #0066cc;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 127, 255, 0.4);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--navy-blue);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-toggle svg {
    display: block;
    width: 24px;
    height: 24px;
}

/* Back button */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--azure);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
}

.back-button:hover {
    color: var(--turquoise);
    transform: translateX(-5px);
}

/* Accordion */
.accordion {
    max-width: 900px;
    margin: 0 auto 3rem;
}

.accordion-item {
    background: var(--white);
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(0, 31, 63, 0.08);
    margin-bottom: 1.25rem;
    overflow: hidden;
    border: 1px solid rgba(0, 31, 63, 0.04);
}

.accordion-header {
    width: 100%;
    background: var(--white);
    border: none;
    padding: 1.5rem 1.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--navy-blue);
    transition: background 0.25s ease, color 0.25s ease;
}

.accordion-header:hover {
    background: var(--light-gray);
    color: var(--azure);
}

.accordion-header .accordion-icon {
    color: var(--turquoise);
    font-size: 1.1rem;
    transition: transform 0.35s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.accordion-item.open .accordion-header .accordion-icon {
    transform: rotate(180deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.accordion-item.open .accordion-body {
    max-height: 6000px;
}

.accordion-content {
    padding: 0 1.75rem 1.75rem;
    color: var(--navy-blue);
    line-height: 1.8;
}

.accordion-content p {
    margin-bottom: 1rem;
    color: var(--medium-gray);
}

.accordion-content h4 {
    color: var(--navy-blue);
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem;
}

.accordion-content h4:first-child {
    margin-top: 0.5rem;
}

.accordion-content ul {
    margin: 0.5rem 0 1rem 1.5rem;
    color: var(--medium-gray);
}

.accordion-content ul li {
    margin-bottom: 0.4rem;
}

.accordion-image {
    width: 100%;
    max-width: 520px;
    height: auto;
    display: block;
    margin: 1.25rem auto;
    border-radius: 14px;
    box-shadow: 0 12px 28px rgba(0, 31, 63, 0.12);
}

.accordion-image.logo-image {
    max-width: 280px;
    border-radius: 50%;
    box-shadow: 0 10px 25px rgba(48, 213, 200, 0.25);
    background: var(--light-gray);
    padding: 0.5rem;
}

/* Nested accordion (sub-sections inside About Engage Analytics) */
.sub-accordion {
    margin-top: 0.5rem;
}

.sub-accordion .accordion-item {
    box-shadow: 0 4px 14px rgba(0, 31, 63, 0.06);
    background: var(--light-gray);
}

.sub-accordion .accordion-header {
    background: var(--light-gray);
    font-size: 1.05rem;
    padding: 1.1rem 1.25rem;
}

.sub-accordion .accordion-header:hover {
    background: #eef1f5;
}

.sub-accordion .accordion-content {
    padding: 0 1.25rem 1.25rem;
    background: var(--light-gray);
}

.section-intro {
    text-align: center;
    color: var(--medium-gray);
    max-width: 720px;
    margin: 0 auto 2.5rem;
    font-size: 1.1rem;
}

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

.fade-in {
    animation: fadeInUp 0.8s ease;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 5px 20px rgba(0, 31, 63, 0.1);
    }

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

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

    .hero p {
        font-size: 1.1rem;
    }

    .container {
        padding: 0 1rem;
    }

    .form-container {
        padding: 2rem;
    }

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

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

    .cta-button {
        display: block;
        margin: 0.5rem auto;
    }

    .accordion-header {
        font-size: 1rem;
        padding: 1.25rem;
    }

    .accordion-content {
        padding: 0 1.25rem 1.25rem;
    }

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

    .blog-post {
        padding: 2rem 1.5rem;
    }
}