:root {
    --primary-blue: #0056b3;
    --secondary-blue: #007bff;
    --light-grey: #f8f9fa;
    --dark-grey: #343a40;
    --text-color: #212529;
    --white: #ffffff;
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-grey);
}

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

ul {
    list-style: none;
}

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

/* Header & Nav */
header {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    border-radius: 12px;
    color: var(--primary-blue);
}

.nav-logo {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
    margin-right: 10px;
    border-radius: 12px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-blue);
    transition: color 0.3s ease;
}

.logo:hover .nav-logo {
    transform: scale(1.05);
}

.logo:hover .logo-text {
    color: var(--secondary-blue);
}

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

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary-blue);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: all 0.3s ease-in-out;
    background-color: var(--dark-grey);
}

/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0, 86, 179, 0.7), rgba(52, 58, 64, 0.7)), url('assets/hero.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

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

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--secondary-blue);
    color: var(--white);
    border-radius: 5px;
    transition: background-color var(--transition-speed);
}

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

/* Services Section (Home & Page) */
.section-padding {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-blue);
}

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

/* Flip Cards */
.flip-card {
    background-color: transparent;
    width: 100%;
    height: 300px;
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.flip-card-front {
    background-color: var(--white);
    color: var(--dark-grey);
}

.flip-card-front img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    object-fit: contain;
}

.flip-card-back {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: rotateY(180deg);
}

.flip-card-back h3 {
    margin-bottom: 15px;
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Contact Section */
.contact-container {
    display: flex;
    gap: 50px;
}

.contact-info,
.contact-form {
    flex: 1;
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--dark-grey);
    color: var(--white);
    padding: 50px 0 20px;
    margin-top: 50px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-column h4 {
    margin-bottom: 20px;
    color: var(--secondary-blue);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        gap: 0;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 16px 0;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .about-content,
    .contact-container {
        flex-direction: column;
    }
}

/* Quote Button */
.btn-quote {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color var(--transition-speed);
}

.btn-quote:hover {
    background-color: var(--secondary-blue);
    color: var(--white);
}

/* Quote Form */
.quote-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.quote-table th,
.quote-table td {
    padding: 12px;
    border-bottom: 1px solid #ddd;
    text-align: left;
}

.quote-table th {
    background-color: var(--light-grey);
    font-weight: 600;
}

.quote-total {
    text-align: right;
    font-size: 1.2rem;
    font-weight: bold;
    margin-top: 20px;
    color: var(--primary-blue);
}

.add-row-btn {
    background-color: var(--secondary-blue);
    color: var(--white);
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 20px;
}

.remove-row-btn {
    background-color: #dc3545;
    color: white;
    border: none;
    padding: 5px 10px;
}

/* Additional services page styles */
.additional-content ul.benefits-list {
    margin: 20px 0;
    padding-left: 20px;
}

.additional-content ul.benefits-list li {
    margin-bottom: 10px;
    line-height: 1.5;
}

.additional-content h2 {
    text-align: center;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.additional-content .cta .btn-quote {
    padding: 14px 28px;
    font-size: 1rem;
}

/* Support Button and Modal Styles */
.support-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 15px 25px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}

.support-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(102, 126, 234, 0.4);
}

.support-button span:first-child {
    font-size: 20px;
}

.support-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.support-modal.active {
    display: flex;
}

.support-modal-content {
    background: white;
    border-radius: 15px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
    padding: 20px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.support-modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 15px 15px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.support-modal-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
}

.close-modal {
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.close-modal:hover {
    background: rgba(255, 255, 255, 0.2);
}

.support-modal-form {
    padding: 30px;
}

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

.support-modal-content .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.support-modal-content label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #374151;
}

.support-modal-content input,
.support-modal-content select,
.support-modal-content textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.support-modal-content input:focus,
.support-modal-content select:focus,
.support-modal-content textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.support-modal-content textarea {
    resize: vertical;
    min-height: 120px;
}

.support-modal-content .form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #e5e7eb;
}

.support-modal-content .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.support-modal-content .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.support-modal-content .btn-secondary {
    background: #f3f4f6;
    color: #374151;
    border: 2px solid #e5e7eb;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.support-modal-content .btn-secondary:hover {
    background: #e5e7eb;
}

/* Responsive styles for support modal */
@media (max-width: 768px) {
    .support-button {
        bottom: 20px;
        right: 20px;
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .support-button span:last-child {
        display: none;
    }
    
    .support-modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .support-modal-content .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .support-modal-header {
        padding: 20px;
    }
    
    .support-modal-header h2 {
        font-size: 20px;
    }
    
    .support-modal-content .form-actions {
        flex-direction: column;
    }
    
    .support-modal-content .btn {
        width: 100%;
    }
}