:root {
    /* Dark Blue & White/Gray Tone for Trust & Enterprise Feel */
    --primary-blue: #0b1d3a;
    --secondary-blue: #1c3d72;
    --accent-blue: #0073e6;
    --light-gray: #f4f6f9;
    --medium-gray: #d1d5db;
    --clean-white: #ffffff;
    --text-dark: #111827;
    --text-muted: #6b7280;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--clean-white);
}

/* --- Header & Navigation --- */
header {
    background-color: var(--clean-white);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo img {
    max-height: 55px;
    object-fit: contain;
    transform: scale(1.5);
    transform-origin: left center;
}

nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--primary-blue);
    font-weight: 600;
    transition: color 0.3s;
    font-size: 1.05rem;
}

nav a:hover {
    color: var(--accent-blue);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown > a::after {
    content: '\f0d7';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 0.5rem;
    font-size: 0.8rem;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--clean-white);
    min-width: 260px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-radius: 4px;
    border-top: 3px solid var(--accent-blue);
    padding: 0.5rem 0;
    z-index: 1001;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-dark);
    font-weight: 400;
    font-size: 1rem;
}

.dropdown-menu a:hover {
    background-color: var(--light-gray);
    color: var(--accent-blue);
}

/* --- Hero Section --- */
#home {
    min-height: 100vh;
    background: linear-gradient(to right, rgba(11, 29, 58, 0.9), rgba(28, 61, 114, 0.7)),
                url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    color: var(--clean-white);
    padding: 0 2rem;
    margin-top: 10px; 
    position: relative;
}

.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    max-width: 800px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--medium-gray);
    margin-bottom: 2rem;
    max-width: 700px;
}



.vendor-logos-hero {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-top: 3rem;
    flex-wrap: wrap;
    opacity: 0.8;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--medium-gray);
}

.vendor-logos-hero img {
    height: 35px;
    filter: grayscale(100%) brightness(200%);
}

/* --- Utility Classes --- */
section {
    padding: 4rem 2rem;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-title {
    color: var(--primary-blue);
    font-size: 2.2rem;
    margin-bottom: 2rem;
    position: relative;
    text-align: center;
}

.section-title::after {
    content: '';
    width: 60px;
    height: 4px;
    background-color: var(--accent-blue);
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.section-title.left-align {
    text-align: left;
}

.section-title.left-align::after {
    left: 0;
    transform: none;
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent-blue);
    color: var(--clean-white);
    padding: 1rem 2.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: #005bb5;
    transform: translateY(-2px);
}

/* --- About Section --- */
#about {
    background-color: var(--clean-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text h3 {
    color: var(--secondary-blue);
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.trust-metrics {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--medium-gray);
}

.metric strong {
    display: block;
    font-size: 2rem;
    color: var(--primary-blue);
    line-height: 1;
}

.metric span {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.about-img-container {
    position: relative;
}

.about-img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* --- Scroll to TOP Button --- */
#backToTop {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1100;
    border: none;
    outline: none;
    background-color: var(--accent-blue);
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    transition: background-color 0.3s, transform 0.3s;
    align-items: center;
    justify-content: center;
}

#backToTop:hover {
    background-color: var(--primary-blue);
    transform: translateY(-5px);
}

.vendor-bar {
    background: var(--light-gray);
    padding: 3rem 2rem;
    border-radius: 8px;
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.partner-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2.5rem;
}

.partner-group span {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    min-width: 150px;
    letter-spacing: 1px;
}

.partner-logos {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.partner-logos img {
    height: 25px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.partner-logos img:hover {
    opacity: 1;
}

/* --- Solutions Section --- */
#solutions {
    background-color: var(--light-gray);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: var(--clean-white);
    border-top: 4px solid var(--accent-blue);
    border-radius: 8px;
    padding: 3rem 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.sol-icon {
    font-size: 3rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
}

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

.solution-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.brand-text {
    color: var(--secondary-blue);
    font-weight: 700;
}

.solution-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--light-gray);
    color: var(--secondary-blue);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* --- Expertise Section --- */
#expertise {
    background-color: var(--clean-white);
}

.expertise-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.exp-content h3 {
    font-size: 1.4rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.exp-content h3 i {
    color: var(--accent-blue);
    background: var(--light-gray);
    padding: 1rem;
    border-radius: 8px;
}

.exp-content p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    margin-left: 4.5rem; /* Indent under title */
}

.data-vis {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

/* --- Compliance Section --- */
#compliance {
    background: linear-gradient(rgba(11, 29, 58, 0.95), rgba(11, 29, 58, 0.9)),
                url('https://images.unsplash.com/photo-1507679799987-c73779587ccf?auto=format&fit=crop&q=80') center/cover fixed;
    color: var(--clean-white);
    text-align: center;
}

#compliance .section-title {
    color: var(--clean-white);
}

#compliance .section-title::after {
    background-color: var(--accent-blue);
}

.comp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.comp-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 2rem;
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

.comp-box i {
    font-size: 2.5rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
}

.comp-box h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.comp-box p {
    color: var(--medium-gray);
    font-size: 0.95rem;
}

/* --- Contact / RFQ Section --- */
#contact {
    background-color: var(--light-gray);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info-block {
    background: var(--primary-blue);
    color: var(--clean-white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.contact-info-block h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--accent-blue);
    margin-top: 0.3rem;
}

.info-item h4 {
    margin-bottom: 0.2rem;
}

.info-item p {
    color: var(--medium-gray);
    font-size: 0.95rem;
}

.contact-form {
    background: var(--clean-white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

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

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

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
}

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

/* --- Footer --- */
footer {
    background-color: #051024;
    color: var(--medium-gray);
    padding: 3rem 2rem;
    border-top: 5px solid var(--accent-blue);
}

.footer-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.footer-brand h2 {
    color: var(--clean-white);
    margin-bottom: 0.5rem;
}

.footer-brand p {
    margin-bottom: 1rem;
}

.footer-slogan {
    font-style: italic;
    color: var(--accent-blue);
    font-weight: 600;
}

.legal-details {
    font-size: 0.9rem;
    border-left: 2px solid rgba(255,255,255,0.1);
    padding-left: 2rem;
}

.legal-details stronge {
    color: var(--clean-white);
}

.copyright {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.85rem;
}

/* Mobile Responsive */
.mobile-menu-btn {
    display: none;
}

@media (max-width: 992px) {
    .about-grid, .expertise-wrapper, .contact-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .hero-content p {
        font-size: 1.1rem;
    }
    .comp-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .legal-details {
        border-left: none;
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-left: 0;
        padding-top: 1.5rem;
    }
    .expertise-wrapper {
        grid-template-columns: 1fr;
    }
    .exp-content p {
        margin-left: 0;
        margin-top: 1rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex !important;
        visibility: visible !important;
        position: absolute;
        top: 20px; /* Aligned with logo vertically */
        right: 20px;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        cursor: pointer;
        z-index: 1100; /* above header */
        background: var(--light-gray);
        border-radius: 4px;
        transition: background 0.3s;
    }

    .mobile-menu-btn:hover {
        background: var(--medium-gray);
    }

    nav ul {
        display: none; /* Hidden by default on mobile */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--clean-white);
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        gap: 0;
    }

    nav ul.active {
        display: flex;
        box-shadow: 0 15px 30px rgba(0,0,0,0.15);
    }

    nav ul li {
        width: 100%;
        text-align: center;
    }

    nav a {
        display: block;
        padding: 1rem;
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        width: 100%;
        box-shadow: none;
        background: var(--light-gray);
        display: none;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    section {
        padding: 3rem 1.5rem;
    }

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

    .vendor-logos-hero {
        justify-content: center;
        gap: 1.5rem;
    }

    .partner-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .partner-logos {
        justify-content: center;
    }
}