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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0a0a;
    color: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* Navigation */
nav {
    background: #111;
    border-bottom: 1px solid #222;
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    color: #fff;
}

.logo span {
    color: #666;
    font-weight: 300;
}

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

.nav-links a {
    color: #888;
    text-decoration: none;
    transition: color 0.2s;
    font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff;
}

/* Main */
main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* Hero */
.hero {
    text-align: center;
    padding: 6rem 2rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero p {
    color: #888;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    background: #fff;
    color: #000;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255,255,255,0.2);
}

.btn-full {
    width: 100%;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.feature {
    background: #111;
    border: 1px solid #222;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: border-color 0.2s;
}

.feature:hover {
    border-color: #333;
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    color: #888;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature p {
    color: #888;
    font-size: 0.95rem;
}

/* Page Header */
.page-header {
    text-align: center;
    padding: 4rem 2rem;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: #888;
}

/* Content */
.content {
    display: grid;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Cards */
.card {
    background: #111;
    border: 1px solid #222;
    border-radius: 12px;
    padding: 2rem;
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card p {
    color: #ccc;
    margin-bottom: 1rem;
}

.card ul {
    list-style: none;
    margin: 1rem 0;
}

.card ul li {
    color: #888;
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.card ul li::before {
    content: ">";
    position: absolute;
    left: 0;
    color: #444;
}

/* Tech badges */
.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-badge {
    background: #1a1a1a;
    border: 1px solid #333;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    color: #888;
}

/* Contact Form */
.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: 0.9rem;
    color: #888;
}

.form-group input,
.form-group textarea {
    background: #0a0a0a;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 0.875rem 1rem;
    color: #fff;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #fff;
}

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

/* Success message */
.success-message {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 3rem;
    text-align: center;
}

.success-message svg {
    width: 48px;
    height: 48px;
    color: #00ff88;
}

.success-message p {
    font-size: 1.2rem;
    color: #fff;
}

/* Contact info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #888;
}

.contact-item svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* Footer */
footer {
    background: #111;
    border-top: 1px solid #222;
    padding: 2rem;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

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

    .nav-links {
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero {
        padding: 4rem 1rem;
    }

    main {
        padding: 1rem;
    }
}