/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-dark: #1a1a1a;
    --color-gray-dark: #333333;
    --color-gray: #666666;
    --color-gray-light: #e0e0e0;
    --color-bg-light: #f5f5f5;
    --color-white: #ffffff;
    --color-blue: #4d65ff;
    --color-blue-dark: #062F70;
    --color-blue-hover: #3d55ef;

    --font-mono: 'DM Mono', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Oxygen', 'Ubuntu', sans-serif;

    --transition: all 0.3s ease-out;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--color-dark);
    line-height: 1.6;
    background-color: var(--color-white);
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-light);
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-dark);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--color-gray);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-links .btn-primary {
    color: var(--color-white);
    padding: 0.6rem 1.25rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--color-blue);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary:hover {
    background-color: var(--color-blue-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-dark);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    border: 1px solid var(--color-gray-light);
}

.btn-secondary:hover {
    border-color: var(--color-dark);
    background-color: var(--color-bg-light);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding: 2rem 0;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-mono);
    font-size: 3.5rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray);
    margin-bottom: 3rem;
    line-height: 1.6;
}

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

/* Section Styles */
.section {
    padding: 6rem 0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray);
}

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

.service-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid var(--color-gray-light);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--color-blue);
}

.service-icon {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon svg {
    width: 48px;
    height: 48px;
}

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

.service-card p {
    color: var(--color-gray);
    line-height: 1.7;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.benefit-item {
    text-align: center;
}

.benefit-number {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 500;
    color: var(--color-blue);
    margin-bottom: 0.5rem;
}

.benefit-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.benefit-item p {
    color: var(--color-gray);
}

/* Use Cases */
.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.use-case {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--color-gray-light);
    transition: var(--transition);
}

.use-case:hover {
    border-color: var(--color-blue);
    background-color: var(--color-bg-light);
}

.use-case h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--color-dark);
}

.use-case p {
    color: var(--color-gray);
    font-size: 0.9375rem;
}

/* Contact Section */
.section-contact {
    background: linear-gradient(135deg, var(--color-blue-dark) 0%, var(--color-blue) 100%);
    color: var(--color-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-info p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-item strong {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.8;
}

.contact-item a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 1.125rem;
    transition: var(--transition);
}

.contact-item a:hover {
    opacity: 0.8;
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    padding: 0.875rem;
    border: 1px solid var(--color-gray-light);
    border-radius: 0.5rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(77, 101, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 3rem 0;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

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

/* Responsive Design */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a:not(.btn-primary) {
        display: none;
    }

    .hero {
        padding: 6rem 0 4rem;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .section {
        padding: 4rem 0;
    }

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

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 479px) {
    .hero-cta {
        flex-direction: column;
    }

    .hero-cta a {
        width: 100%;
        text-align: center;
    }

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

    .btn-large {
        width: 100%;
    }
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 0.125rem solid var(--color-blue);
    outline-offset: 0.125rem;
}

/* Smooth transitions */
a, button, .service-card, .use-case {
    transition: var(--transition);
}