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

:root {
    --primary: #1a1a2e;
    --accent: #4361ee;
    --text: #333;
    --text-light: #666;
    --bg: #fff;
    --bg-alt: #f8f9fa;
    --border: #e9ecef;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    line-height: 1.6;
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.5px;
}

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

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
    letter-spacing: -1px;
    max-width: 700px;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 500px;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 0.875rem 2rem;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: 4px;
    transition: background 0.2s, transform 0.2s;
}

.cta-button:hover {
    background: #2a2a4e;
    transform: translateY(-1px);
}

/* Services */
.services {
    padding: 6rem 2rem;
    background: var(--bg);
}

.services h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.service-card {
    padding: 2rem;
    background: var(--bg-alt);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.service-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Contact */
.contact {
    padding: 6rem 2rem;
    background: var(--bg-alt);
    text-align: center;
}

.contact h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
}

.contact p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.contact-form {
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 0.95rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #adb5bd;
}

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

.contact-form button {
    align-self: stretch;
    cursor: pointer;
    border: none;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    border-radius: 8px;
    transition: background 0.2s, transform 0.2s;
}

.contact-form button:hover:not(:disabled) {
    transform: translateY(-1px);
}

.contact-form button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

.form-status {
    font-size: 0.9rem;
    min-height: 1.4em;
    text-align: center;
}

.form-status.success {
    color: #2d7d46;
}

.form-status.error {
    color: #c0392b;
}

/* Footer */
footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border);
}

footer p {
    color: var(--text-light);
    font-size: 0.85rem;
}

/* Mobile */
@media (max-width: 600px) {
    nav {
        padding: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero {
        padding: 5rem 1.5rem;
    }

    .services, .contact {
        padding: 4rem 1.5rem;
    }

    .service-card {
        padding: 1.5rem;
    }
}