/* Variables */
:root {
    --primary-color: #2a6496;
    --secondary-color: #f8f9fa;
    --text-color: #1e293b;
    --muted-color: #64748b;
    --border-color: #e2e8f0;
    --transition: all 0.2s ease;
}

/* Base */
html {
    position: relative;
    min-height: 100%;
}

body {
    margin-bottom: 60px;
    font-family: 'Inter', 'Segoe UI', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

    a:hover {
        color: #1a4670;
        text-decoration: underline;
    }

.container {
    max-width: 1200px;
}

.section {
    padding: 5rem 0;
}

.bg-light {
    background-color: #f8fafc;
}

.bg-primary {
    background-color: #0f172a !important;
    background-image: radial-gradient(circle, rgba(255,255,255,0.07) 1px, transparent 1px);
    background-size: 28px 28px;
}

    .bg-primary h1,
    .bg-primary h2,
    .bg-primary h3,
    .bg-primary p {
        color: #fff;
    }

/* Navigation */
.navbar {
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.92) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.nav-link {
    margin: 0 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--muted-color) !important;
}

    .nav-link:hover {
        color: var(--text-color) !important;
    }

.brand-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-color) !important;
    letter-spacing: -0.5px;
}

/* Banner */
.banner {
    background-color: #0f172a;
    background-image: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 28px 28px;
    color: #f8fafc;
    padding: 6rem 0;
    text-align: center;
}

    .banner h1 {
        font-size: 3rem;
        font-weight: 700;
        margin-bottom: 1.5rem;
        letter-spacing: -1px;
        color: #fff;
    }

    .banner p {
        font-size: 1.15rem;
        max-width: 680px;
        margin: 0 auto 2rem;
        opacity: 0.7;
        color: #fff;
    }

/* Buttons */
.btn {
    padding: 0.6rem 1.4rem;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

    .btn-primary:hover {
        background-color: #1a4670;
        border-color: #1a4670;
    }

.btn-light {
    background-color: white;
    color: var(--primary-color);
    font-weight: 600;
}

    .btn-light:hover {
        background-color: #f1f5f9;
        color: var(--primary-color);
    }

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

    .btn-outline-primary:hover {
        background-color: var(--primary-color);
        color: white;
    }

/* Feature List (homepage) */
.feature-list {
    border-top: 1px solid var(--border-color);
}

.feature-item {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border-color);
}

    .feature-item h4 {
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 0.35rem;
        display: flex;
        align-items: center;
        gap: 0.6rem;
        color: var(--text-color);
    }

    .feature-item h4 i {
        color: var(--primary-color);
        font-size: 0.85rem;
        width: 14px;
    }

    .feature-item p {
        font-size: 0.9rem;
        color: var(--muted-color);
        margin: 0;
        padding-left: 1.45rem;
    }

/* Steps (How it works) */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    margin-top: 2.5rem;
}

.step-item {
    border-top: 2px solid var(--primary-color);
    padding-top: 1.25rem;
}

.step-num {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-family: 'Courier New', monospace;
}

.step-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step-item p {
    font-size: 0.875rem;
    color: var(--muted-color);
    margin: 0;
}

/* Use Cases */
.use-case-item {
    padding: 1.5rem 1.5rem 1.5rem 1.75rem;
    border-left: 3px solid var(--primary-color);
    background-color: #f8fafc;
    border-radius: 0 4px 4px 0;
    height: 100%;
}

    .use-case-item h3 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
    }

    .use-case-item p {
        font-size: 0.9rem;
        color: var(--muted-color);
        margin: 0;
    }

/* Why Card (Features page) */
.why-card {
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.75rem;
}

.why-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-family: 'Courier New', monospace;
}

.why-card p {
    font-size: 0.925rem;
    color: var(--muted-color);
    margin: 0;
    line-height: 1.65;
}

/* Feature checklist (Features page) */
.feature-checklist {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

    .feature-checklist li {
        font-size: 0.9rem;
        color: var(--muted-color);
        padding: 0.3rem 0 0.3rem 1.5rem;
        position: relative;
    }

        .feature-checklist li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-size: 0.8rem;
        }

/* Section divider (Features page) */
.section-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 0;
}

/* Feature box (About page) */
.feature-box {
    background-color: white;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    height: 100%;
    transition: var(--transition);
}

    .feature-box:hover {
        border-color: var(--primary-color);
    }

    .feature-box h3 {
        font-size: 1rem;
        font-weight: 600;
        color: var(--primary-color);
        margin-bottom: 0.6rem;
    }

    .feature-box p {
        font-size: 0.9rem;
        color: var(--muted-color);
        margin: 0;
    }

/* Contact */
.contact-option {
    text-align: center;
    padding: 2rem;
    background-color: white;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    height: 100%;
    transition: var(--transition);
}

    .contact-option:hover {
        border-color: var(--primary-color);
    }

    .contact-option i {
        font-size: 2rem;
        color: var(--primary-color);
        margin-bottom: 1rem;
    }

    .contact-option h3 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .contact-option p {
        font-size: 0.875rem;
        color: var(--muted-color);
    }

/* CTA contact info */
.contact-info {
    margin: 1.5rem 0;
}

    .contact-info p {
        margin-bottom: 0.5rem;
        font-size: 0.95rem;
    }

/* Footer */
.footer {
    background-color: #f8fafc;
    padding-top: 2rem;
}

    .footer h5, .footer h6 {
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--text-color);
        margin-bottom: 1rem;
    }

    .footer p {
        font-size: 0.875rem;
        color: var(--muted-color);
    }

    .footer a {
        font-size: 0.875rem;
        color: var(--muted-color);
    }

        .footer a:hover {
            color: var(--primary-color);
            text-decoration: none;
        }

    .footer .border-top {
        border-color: var(--border-color) !important;
    }

/* Responsive */
@media (max-width: 768px) {
    .banner {
        padding: 4rem 0;
    }

        .banner h1 {
            font-size: 2.1rem;
        }

    .steps-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .use-case-item {
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
}