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

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --accent: #3b82f6;
    --text-dark: #1e293b;
    --text-medium: #475569;
    --text-light: #64748b;
    --bg-white: #ffffff;
    --bg-gray: #f1f5f9;
    --bg-blue: #eff6ff;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
}

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

/* Navigation */
nav {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

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

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 1rem;
}

.nav-link {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background 0.2s;
}

.nav-link:hover {
    background: var(--primary-dark);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
}

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

.hero h1 {
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

/* Services Section */
.services-section {
    background: var(--bg-white);
    padding: 5rem 2rem;
}

.services-container {
    max-width: 1000px;
    margin: 0 auto;
}

.services-title {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 3rem;
}

.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.service {
    background: var(--bg-gray);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.service:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-label {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.service-description {
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* About Section */
.about-section {
    padding: 5rem 2rem;
    background: var(--bg-blue);
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.about-content h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.about-content p {
    font-size: 1.05rem;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

/* Clients Section */
.clients-section {
    background: var(--bg-white);
    padding: 3rem 2rem;
}

.clients-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.clients-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.clients-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.client-logo img {
    height: 60px;
    width: auto;
}

/* Team Section */
.team-section {
    padding: 5rem 2rem;
    background: var(--bg-gray);
}

.team-container {
    max-width: 1000px;
    margin: 0 auto;
}

.team-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.team-intro {
    text-align: center;
    color: var(--text-medium);
    font-size: 1.05rem;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2.5rem;
}

.team-member {
    text-align: center;
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-md);
}

.team-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.team-role {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Contact Section */
.contact-section {
    background: var(--bg-white);
    padding: 5rem 2rem;
}

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

.contact-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-intro {
    color: var(--text-medium);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.contact-intro a {
    color: var(--accent);
    text-decoration: none;
}

.contact-intro a:hover {
    text-decoration: underline;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form textarea {
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    min-height: 120px;
}

.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.contact-form button {
    padding: 1rem 2rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.contact-form button:hover:not(:disabled) {
    background: var(--primary-dark);
}

.contact-form button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background: var(--primary-dark);
    color: white;
    padding: 2.5rem 2rem;
    text-align: center;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo img {
    height: 45px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-text {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0.75rem 1rem;
    }

    .logo img {
        height: 32px;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }

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

    .hero p {
        font-size: 1.125rem;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .services-title,
    .team-title,
    .contact-title {
        font-size: 1.75rem;
    }

    .about-content h2 {
        font-size: 2rem;
    }

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

    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}