:root {
    --primary-navy: #0F1C30;
    --primary-navy-light: #1A2D48;
    --metallic-gray: #8A95A5;
    --metallic-light: #D9DCE1;
    --metallic-dark: #6C757D;

    --text-dark: #1F2937;
    --text-light: #F9FAFB;
    --text-gray: #4B5563;

    --bg-white: #FFFFFF;
    --bg-light: #F3F4F6;

    --accent-blue: #3B82F6;
    /* Subtle accent for buttons/links */

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto 3rem auto;
    font-size: 1.125rem;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--metallic-light);
    box-shadow: var(--shadow-sm);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-navy);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--metallic-dark);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.contact-btn {
    background-color: var(--primary-navy);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    background-color: var(--primary-navy-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
    padding-top: 140px;
    padding-bottom: 6rem;
    background: linear-gradient(135deg, var(--primary-navy) 0%, #152238 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(138, 149, 165, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(to right, #ffffff, #d9dce1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--metallic-light);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-primary {
    background-color: white;
    color: var(--primary-navy);
    padding: 1rem 2rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--metallic-light);
    transform: translateY(-2px);
}

.btn-secondary {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 1rem 2rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: white;
    background-color: rgba(255, 255, 255, 0.1);
}

/* Solutions Section */
.solutions {
    padding: 6rem 0;
    background-color: var(--bg-white);
}

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

.card {
    background: white;
    border: 1px solid var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--metallic-light);
}

.icon-box {
    width: 50px;
    height: 50px;
    background-color: var(--primary-navy);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
}

.icon-box svg {
    width: 24px;
    height: 24px;
}

.card h3 {
    font-size: 1.25rem;
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    flex-grow: 1;
}

/* About/Features Section */
.features {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-bottom: 4rem;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-row.reverse {
    flex-direction: row-reverse;
}

.feature-content {
    flex: 1;
}

.feature-content h3 {
    font-size: 2rem;
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-gray);
}

.feature-list li svg {
    color: var(--primary-navy);
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.feature-image {
    flex: 1;
    background: linear-gradient(135deg, var(--metallic-light), #e5e7eb);
    height: 400px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--metallic-dark);
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background-color: var(--primary-navy);
    color: white;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    /* Default to side-by-side */
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--metallic-light);
    margin-bottom: 2rem;
}

.contact-grid {
    display: grid;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    color: var(--text-dark);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--metallic-light);
    border-radius: 6px;
    font-family: inherit;
    transition: border-color 0.3s;
}

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

.submit-btn {
    width: 100%;
    background-color: var(--primary-navy);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

.submit-btn:hover {
    background-color: var(--primary-navy-light);
}

/* Footer */
footer {
    background-color: #0A1322;
    color: #9CA3AF;
    padding: 4rem 0 2rem 0;
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand h4 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-col h5 {
    color: white;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

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

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
        /* Stack on mobile */
    }

    .feature-row {
        flex-direction: column;
        gap: 2rem;
    }

    .feature-row.reverse {
        flex-direction: column;
    }

    .nav-links {
        display: none;
        /* Simple mobile hide for now, JS toggler later */
    }

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