:root {
    --primary-color: #004080;
    --secondary-color: #0066cc;
    --text-color: #333333;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --accent-color: #d9534f;
    --border-color: #e0e0e0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo a {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
}

.main-nav a:hover {
    color: var(--secondary-color);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
}

.btn-phone {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary {
    background-color: var(--bg-light);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

/* Hero */
.hero {
    background: linear-gradient(rgba(0, 64, 128, 0.9), rgba(0, 64, 128, 0.9)), url('../images/hero-bg.jpg') center/cover no-repeat;
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* Sections */
.problems {
    padding: 60px 0;
}

.problems h2 {
    text-align: center;
    margin-bottom: 40px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.cta-banner {
    background-color: var(--bg-light);
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta-banner h2 {
    margin-bottom: 15px;
}

.cta-banner p {
    margin-bottom: 25px;
}

.location-section {
    padding: 60px 0;
}

.location-section address {
    font-style: normal;
    margin: 15px 0 25px 0;
}

/* Footer */
.site-footer {
    background-color: #1a1a1a;
    color: var(--white);
    padding: 50px 0 20px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.site-footer a {
    color: #cccccc;
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: #888;
}

/* Mobile Sticky Bar */
.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--primary-color);
    padding: 12px;
    text-align: center;
    z-index: 999;
}

.mobile-call-btn {
    color: var(--white);
    font-weight: 700;
    text-decoration: none;
    font-size: 1.1rem;
}

/* Page Content */
.page-content {
    padding: 60px 0;
}

.page-content h1 {
    margin-bottom: 30px;
    color: var(--primary-color);
}

.service-block {
    margin-bottom: 40px;
}

.service-block h2 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.form-placeholder {
    margin-top: 40px;
    background: var(--bg-light);
    padding: 30px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.note {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    .mobile-sticky-bar {
        display: block;
    }
    body {
        padding-bottom: 60px;
    }
}