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

:root {
    --color-dark: #0a0a0a;
    --color-dark-blue: #0d1117;
    --color-blue: #004bdd;
    --color-blue-light: #2563eb;
    --color-white: #ffffff;
    --color-gray: #8b9199;
    --color-gray-light: #e5e7eb;

    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-dark);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-white);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

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

.nav-links a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

.btn-primary {
    background: var(--color-blue);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
}

.btn-primary:hover {
    background: var(--color-blue-light);
    color: var(--color-white) !important;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #0d1117 50%, #001a3d 100%);
    overflow: hidden;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(0, 75, 221, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-top: 100px;
    padding-bottom: 100px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--color-gray);
    max-width: 600px;
    line-height: 1.6;
}

/* Mission Section */
.mission {
    padding: 8rem 0;
    background-color: var(--color-dark-blue);
}

.section-content {
    max-width: 900px;
}

.mission h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
}

.large-text {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--color-gray);
    line-height: 1.7;
}

/* Technology Section */
.technology {
    padding: 8rem 0;
    background-color: var(--color-dark);
}

.section-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-blue);
    margin-bottom: 4rem;
    font-weight: 600;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.tech-card {
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(13, 17, 23, 0.5) 0%, rgba(0, 26, 61, 0.2) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 75, 221, 0.5);
}

.tech-number {
    font-size: 0.875rem;
    color: var(--color-blue);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.tech-card h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

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

/* Impact Section */
.impact {
    padding: 8rem 0;
    background: linear-gradient(135deg, #0d1117 0%, #001a3d 100%);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
}

.impact-stat {
    text-align: center;
}

.stat-number {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, var(--color-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--color-gray);
}

/* Contact Section */
.contact {
    padding: 8rem 0;
    background-color: var(--color-dark-blue);
}

.contact-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-content h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.contact-content p {
    font-size: 1.25rem;
    color: var(--color-gray);
    margin-bottom: 3rem;
}

.btn-secondary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    color: var(--color-white);
    text-decoration: none;
    border: 2px solid var(--color-white);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-dark);
}

/* Footer */
.footer {
    padding: 4rem 0;
    background-color: var(--color-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.footer-text {
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* Contact Form Section */
.contact-form-section {
    padding: 6rem 0;
    background-color: var(--color-dark-blue);
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

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

.form-group label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-white);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-blue-light);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray);
}

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

.privacy-note {
    font-size: 0.875rem;
    color: var(--color-gray);
    font-style: italic;
    margin-top: 0.5rem;
}

.contact-form button[type="submit"] {
    margin-top: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-form button[type="submit"]:hover {
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

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

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

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}