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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px 20px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 100px 20px;
    text-align: center;
}

.hero-logo {
    max-height: 165px;
    width: auto;
    display: block;
    margin: 0 auto 30px auto;
    border-radius: 12px;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 10px;
    opacity: 0.95;
}

.hero-content .tagline {
    font-size: 16px;
    opacity: 0.85;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-dark);
    padding: 14px 40px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 16px;
}

.cta-button:hover {
    background-color: #f97316;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Sections */
section {
    padding: 80px 20px;
}

section h2 {
    font-size: 42px;
    margin-bottom: 50px;
    text-align: center;
    color: var(--text-dark);
}

/* Services Section */
.services {
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--bg-white);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Portfolio Section */
.portfolio {
    background-color: var(--bg-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background-color: var(--bg-light);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.portfolio-placeholder {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 600;
}

.portfolio-item h3 {
    padding: 20px 20px 10px 20px;
    font-size: 20px;
    color: var(--text-dark);
}

.portfolio-item .project-type {
    padding: 0 20px;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.portfolio-item p {
    padding: 10px 20px;
    color: var(--text-light);
}

.portfolio-item .project-date {
    display: block;
    padding: 15px 20px 20px 20px;
    font-size: 14px;
    color: var(--text-light);
    font-weight: 600;
}

/* Testimonials Section */
.testimonials {
    background-color: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: var(--bg-white);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-color);
}

.testimonial-card .stars {
    font-size: 16px;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-style: italic;
}

.testimonial-author {
    color: var(--text-light);
    font-weight: 600;
    font-size: 14px;
}

/* Contact Section */
.contact {
    background-color: var(--bg-white);
}

.contact-intro {
    text-align: center;
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-status {
    margin-bottom: 20px;
    padding: 12px;
    border-radius: 6px;
    display: none;
}

.form-status.success {
    display: block;
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.form-status.error {
    display: block;
    background-color: #fee2e2;
    color: #7f1d1d;
    border: 1px solid #fecaca;
}

.submit-button {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

.submit-button:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

.footer p {
    margin-bottom: 10px;
    opacity: 0.9;
}

.footer p:last-child {
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        gap: 15px;
        font-size: 14px;
    }

    .hero-logo {
        max-height: 110px;
    }

    .hero-content p {
        font-size: 16px;
    }

    section {
        padding: 50px 20px;
    }

    section h2 {
        font-size: 32px;
        margin-bottom: 30px;
    }

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

    .contact-form {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        padding: 10px 15px;
    }

    .nav-links {
        gap: 10px;
        font-size: 12px;
    }

    .hero-logo {
        max-height: 77px;
    }

    .hero-content p {
        font-size: 14px;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 14px;
    }

    section h2 {
        font-size: 24px;
    }
}