:root {
    --primary-color: #083639;
    --primary-light: #0f5a5e;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --silver: #e0e0e0;
    --text-dark: #1a1a1a;
    --text-muted: #666666;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Performance optimizations */
img[loading="lazy"] {
    content-visibility: auto;
}

.service-image {
    content-visibility: auto;
    contain-intrinsic-size: 400px 300px;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Optimize font rendering */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

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

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

.btn-outline {
    border-color: var(--white);
    color: var(--white);
}

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

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

.btn-white:hover {
    background-color: var(--light-gray);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 10px 0;
}

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

.logo img {
    height: 50px;
    width: auto;
    display: block;
}

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-dark);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    background-image: url('../assets/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    margin-top: 0;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(8, 54, 57, 0.7), rgba(8, 54, 57, 0.5));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections General */
.section {
    padding: 80px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

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

.bg-light {
    background-color: var(--light-gray);
}

/* About Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 30px;
    border-radius: 15px;
    transition: var(--transition);
}

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

.icon-box {
    width: 60px;
    height: 60px;
    background-color: rgba(8, 54, 57, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-color);
}

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

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

.service-card {
    background: var(--white);
    padding: 0;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-bottom-color: var(--primary-color);
}

.service-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    margin: 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    padding: 0 30px;
    padding-top: 25px;
}

.service-card p {
    padding: 0 30px;
    margin-bottom: 20px;
}

.service-card .link-arrow {
    padding: 0 30px;
    padding-bottom: 30px;
    margin-top: auto;
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.link-arrow {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.link-arrow:hover {
    gap: 10px;
}

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

.testimonial-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--silver);
}

.stars {
    color: #ffd700;
    margin-bottom: 15px;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.client-name {
    font-weight: 600;
    color: var(--primary-color);
    display: block;
}

/* Areas */
.areas-content {
    max-width: 800px;
    margin: 0 auto;
}

.areas-list-container {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.areas-list li {
    margin-bottom: 10px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
}

.areas-list li::before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* CTA Section */
.cta-section {
    background-color: var(--primary-color);
    color: var(--white);
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.cta-section p {
    margin-bottom: 40px;
    font-size: 1.2rem;
    opacity: 0.9;
}

.cta-contacts {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.cta-contacts p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0;
}

/* Contact Form */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.quote-form {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--silver);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(8, 54, 57, 0.1);
}

/* Footer */
footer {
    background-color: #052224;
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 100%;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 20px;
}

.footer-description {
    font-size: 0.9rem;
    line-height: 1.7;
    opacity: 0.85;
}

.footer-nav h4,
.footer-links h4,
.footer-social h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--white);
}

.footer-nav ul {
    list-style: none;
    padding: 0;
}

.footer-nav ul li {
    margin-bottom: 12px;
}

.footer-nav ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    display: inline-block;
}

.footer-nav ul li a:hover {
    color: var(--white);
    transform: translateX(5px);
}

.footer-links p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-location {
    display: flex;
    align-items: center;
    gap: 8px;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    text-align: center;
}

.footer-legal {
    display: flex;
    gap: 15px;
    align-items: center;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-brand .footer-legal a {
    color: var(--text-muted);
}

.footer-brand .footer-legal a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.footer-legal .separator {
    color: rgba(255, 255, 255, 0.4);
}

.footer-brand .footer-legal .separator {
    color: var(--text-muted);
}

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.7;
    margin: 0;
    text-align: center;
    width: 100%;
}

/* SMS Float */
.sms-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: var(--transition);
}

.sms-float:hover {
    transform: scale(1.1);
    background-color: var(--primary-light);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        padding: 0 15px;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 20px;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.05);
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

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

    .header-actions .btn {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .areas-list-container {
        gap: 20px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}