:root {
    --primary-color: #0056b3;
    --secondary-color: #004494;
    --accent-color: #ff6600;
    --accent-hover: #e65c00;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f9f9f9;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --container-width: 1200px;
    --header-height: 80px;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    padding-top: var(--header-height);
    /* Space for fixed header */
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utilities */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 15px;
}

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

.text-primary {
    color: var(--primary-color);
}

.text-accent {
    color: var(--accent-color);
}

.font-bold {
    font-weight: 700;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.section-padding {
    padding: 80px 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: 2px solid var(--primary-color);
}

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

.btn-accent {
    background-color: var(--accent-color);
    color: white;
    border: 2px solid var(--accent-color);
    box-shadow: 0 4px 14px rgba(255, 102, 0, 0.3);
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* Header */
header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-dark);
}

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

.header-cta {
    display: none;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 86, 179, 0.9), rgba(0, 68, 148, 0.8)), url('https://images.unsplash.com/photo-1584622650111-993a426fbf0a?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0 120px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Features / Services Preview */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

/* Why Choose Us */
.why-us {
    background-color: var(--bg-light);
}

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

.benefit-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.check-icon {
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
}

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

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.stars {
    color: #ffc107;
    margin-bottom: 10px;
}

/* Sticky Mobile CTA */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: white;
    padding: 15px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 999;
    display: none;
    /* Hidden on desktop */
}

.floating-phone {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--accent-color);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    animation: pulse 2s infinite;
    display: none;
    /* Hidden on desktop, shown on mobile via media query */
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.7);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(255, 102, 0, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 102, 0, 0);
    }
}

/* Footer */
footer {
    background-color: #1a1a1a;
    color: #e0e0e0;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: var(--accent-color);
}

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

/* Responsive */
@media (min-width: 768px) {
    .header-cta {
        display: block;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .sticky-cta {
        display: flex;
    }

    .floating-phone {
        display: flex;
    }

    .section-padding {
        padding: 50px 0;
    }
}