:root {
    --primary-blue: #007bff;
    --dark-navy: #0a192f;
    --light-bg: #f8fafc;
    --text-main: #334155;
}

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

body {
    font-family: "Inter", sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background: #fff;
    scroll-behavior: smooth;
}

h1, h2, h3 {
    font-family: "Space Grotesk", sans-serif;
    color: var(--dark-navy);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.org-logo-link {
    display: inline-block;
    margin-top: 16px;
}

.org-logo {
    width: 56px;
    height: auto;
    display: block;
}

nav {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-blue);
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: var(--dark-navy);
    font-weight: 600;
    font-size: 0.9rem;
}

.hero {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(180deg, #f0f7ff 0%, #fff 100%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
    color: #64748b;
}

.hero-actions {
    gap: 15px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-blue);
    color: #fff;
}

.btn-primary:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

.btn-secondary {
    border: 1px solid #cbd5e1;
    color: var(--dark-navy);
}

.section {
    padding: 80px 0;
    border-bottom: 1px solid #f1f5f9;
}

.section-muted {
    background: var(--light-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.about-content {
    text-align: center;
    max-width: 800px;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.product-card {
    padding: 40px;
    background: var(--light-bg);
    border-radius: 20px;
}

.feature-list {
    list-style: none;
    margin-top: 20px;
}

.feature-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-list i {
    color: var(--primary-blue);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 1rem;
}

input:focus, select:focus {
    outline: none;
    border-color: #2563eb;
}

.submit-btn {
    width: 100%;
}

.field-error {
    color: #dc2626;
    font-size: 0.85rem;
    margin-top: 6px;
}

.form-message {
    margin-top: 15px;
    font-weight: 600;
}

.form-message.success {
    color: #166534;
}

.form-message.error {
    color: #b91c1c;
}

footer {
    padding: 40px 0;
    text-align: center;
    background: var(--dark-navy);
    color: #fff;
}

.footer-sub {
    margin-top: 10px;
    font-size: 0.9rem;
    opacity: 0.8;
}

.nav-cta {
    padding: 10px 20px;
}