:root {
    --primary-red: #d23438;
    --dark-red: #662c2c;
    --gray: #727376;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --dark: #1a1a1a;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    overflow-x: hidden;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--primary-red);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

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

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

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    color: var(--white);
    font-size: 18px;
    transition: color 0.3s;
}

.social-icons a:hover {
    color: var(--white);
}

.lang-toggle {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-option {
    color: var(--white);
    font-weight: 600;
    transition: color 0.3s;
    cursor: pointer;
    opacity: 0.7;
}

.lang-option.active {
    color: var(--white);
    opacity: 1;
}

.lang-divider {
    color: var(--white);
    opacity: 0.5;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url('../images/building-background.jpg') center/cover no-repeat;
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 44, 44, 0.85) 0%, rgba(26, 26, 26, 0.85) 100%);
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(210, 52, 56, 0.3) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(210, 52, 56, 0.2);
    border: 2px solid var(--primary-red);
    padding: 10px 25px;
    border-radius: 30px;
    margin-bottom: 30px;
    font-weight: 600;
}

.hero-badge i {
    color: var(--primary-red);
    font-size: 24px;
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
    opacity: 0.9;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.feature-item i {
    color: var(--primary-red);
    font-size: 20px;
}

.cta-button {
    display: inline-block;
    background: var(--primary-red);
    color: var(--white);
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(210, 52, 56, 0.4);
}

.cta-button:hover {
    background: var(--dark-red);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(210, 52, 56, 0.6);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 15px;
    color: var(--dark);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-red);
    margin: 20px auto;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 50px;
}

.services {
    padding: 100px 0;
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(210, 52, 56, 0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 35px;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    line-height: 1.8;
}

.clients {
    padding: 100px 0;
    background: var(--white);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    align-items: center;
}

.client-card {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    min-height: 150px;
}

.client-card:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.client-card img {
    max-width: 100%;
    height: auto;
    filter: grayscale(100%);
    transition: filter 0.3s;
}

.client-card:hover img {
    filter: grayscale(0%);
}

.gallery {
    padding: 100px 0;
    background: var(--light-gray);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(26, 26, 26, 0.9), transparent);
    padding: 30px 20px;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h4 {
    color: var(--white);
    font-size: 1.2rem;
}

.before-after {
    padding: 100px 0;
    background: var(--white);
}

.comparison-slider {
    max-width: 800px;
    margin: 0 auto;
}

.comparison-container {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    aspect-ratio: 16/9;
}

.comparison-before,
.comparison-after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.comparison-after {
    clip-path: inset(0 0 0 50%);
}

.comparison-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: var(--white);
    cursor: ew-resize;
    transform: translateX(-50%);
    z-index: 10;
}

.handle-line {
    position: absolute;
    left: 50%;
    width: 4px;
    height: 40%;
    background: var(--white);
    transform: translateX(-50%);
}

.handle-line:first-child {
    top: 0;
}

.handle-line:last-child {
    bottom: 0;
}

.handle-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    border: 4px solid var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.comparison-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    font-weight: 600;
    font-size: 1.2rem;
}

.label-before {
    color: var(--gray);
}

.label-after {
    color: var(--primary-red);
}

.contact {
    padding: 100px 0;
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.info-card i {
    font-size: 40px;
    color: var(--primary-red);
    margin-bottom: 15px;
}

.info-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.info-card p,
.info-card a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s;
}

.info-card a:hover {
    color: var(--primary-red);
}

.social-card .social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
}

.social-card .social-links a {
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white); /* ensures text/icon color is white */
    font-size: 24px;
    text-decoration: none;
    border: none;
    overflow: hidden;
    transition: background-color 0.3s, transform 0.3s, color 0.3s;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

/* Ensure SVG icons inside links appear white by inheriting the current color */
.social-card .social-links a svg {
    width: 24px;
    height: 24px;
    display: block;
    fill: currentColor;
}

/* Also ensure any paths inside SVGs inherit the color */
.social-card .social-links a svg path {
    fill: currentColor;
}

.social-card .social-links a:hover,
.social-card .social-links a:focus {
    background: var(--dark-red);
    transform: translateY(-5px);
    outline: none;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-red);
}

.form-group label {
    position: absolute;
    left: 15px;
    top: 15px;
    color: var(--gray);
    pointer-events: none;
    transition: all 0.3s;
    background: var(--white);
    padding: 0 5px;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group select:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label,
.form-group select:valid + label {
    top: -10px;
    left: 10px;
    font-size: 0.85rem;
    color: var(--primary-red);
}

.submit-button {
    width: 100%;
    background: var(--primary-red);
    color: var(--white);
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
}

.submit-button:hover {
    background: var(--dark-red);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(210, 52, 56, 0.4);
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

.footer {
    background: var(--primary-red);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p {
    color: var(--white);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section ul li a:hover {
    color: var(--white);
    opacity: 0.8;
}

.footer-section ul li i {
    color: var(--white);
}

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

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-red);
    font-size: 20px;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--white);
    opacity: 0.8;
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--white);
}

@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

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

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

    .hero-features {
        flex-direction: column;
        gap: 15px;
    }

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

    .services-grid {
        grid-template-columns: 1fr;
    }

    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .nav-actions {
        gap: 10px;
    }

    .social-icons {
        display: none;
    }
}