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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333333;
    background-color: #ffffff;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 48px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    border-radius: 4px;
}

.company-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
    letter-spacing: 0.5px;
}

.nav {
    display: flex;
    gap: 20px;
}

.nav-link {
    text-decoration: none;
    color: #475569;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: #1e293b;
}

/* Hero Section */
.hero-section {
    padding: 60px 0 50px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    border-bottom: 1px solid #edf2f7;
}

.hero-content {
    max-width: 750px;
}

.hero-content h1 {
    font-size: 2rem;
    line-height: 1.3;
    color: #0f172a;
    margin-bottom: 16px;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.1rem;
    color: #475569;
    margin-bottom: 24px;
}

.btn-primary {
    display: inline-block;
    background-color: #2563eb;
    color: #ffffff;
    padding: 10px 22px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

/* Sections */
.section {
    padding: 50px 0;
}

.bg-light {
    background-color: #f8fafc;
    border-top: 1px solid #edf2f7;
    border-bottom: 1px solid #edf2f7;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 24px;
    border-left: 4px solid #2563eb;
    padding-left: 12px;
}

.text-block p {
    font-size: 1rem;
    color: #475569;
    margin-bottom: 14px;
}

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

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.service-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 24px;
}

.service-card h3 {
    font-size: 1.15rem;
    color: #1e293b;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.92rem;
    color: #64748b;
}

/* Form */
.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: #ffffff;
    padding: 30px;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

.form-subtitle {
    font-size: 0.95rem;
    color: #64748b;
    margin-top: -12px;
    margin-bottom: 24px;
}

.feedback-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.88rem;
    font-weight: 600;
    color: #334155;
}

.required {
    color: #dc2626;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-size: 0.92rem;
    font-family: inherit;
    color: #1e293b;
    background-color: #ffffff;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #2563eb;
}

.btn-submit {
    background-color: #2563eb;
    color: #ffffff;
    border: none;
    padding: 12px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 8px;
    transition: background-color 0.2s ease;
}

.btn-submit:hover {
    background-color: #1d4ed8;
}

/* Success Message */
.success-message {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    padding: 20px;
    border-radius: 6px;
    color: #166534;
}

.success-icon {
    font-size: 1.8rem;
    font-weight: bold;
    color: #16a34a;
    background: #dcfce7;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.success-text h3 {
    font-size: 1.05rem;
    margin-bottom: 4px;
    color: #14532d;
}

.success-text p {
    font-size: 0.92rem;
    color: #166534;
}

/* Contacts */
.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.contact-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 20px;
}

.contact-item h4 {
    font-size: 0.95rem;
    color: #1e293b;
    margin-bottom: 8px;
}

.contact-item p {
    font-size: 0.9rem;
    color: #64748b;
}

/* Footer */
.footer {
    border-top: 1px solid #e2e8f0;
    padding: 24px 0;
    background: #ffffff;
}

.footer-container {
    text-align: center;
}

.footer-copy {
    font-size: 0.85rem;
    color: #94a3b8;
}

/* Mobile responsive */
@media (max-width: 640px) {
    .header-container {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .nav {
        width: 100%;
        justify-content: flex-start;
        gap: 16px;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .form-wrapper {
        padding: 20px 16px;
    }
}