:root {
    --primary-color: #dc2626; /* Red */
    --dark-gray: #1f2937;
    --medium-gray: #4b5563;
    --light-gray: #f3f4f6;
    --text-color: #374151;
    --white: #ffffff;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

img.img-responsive {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* --- Header & Navigation --- */
.site-header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.site-header nav.container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.logo img {
    height: 40px;
    width: auto;
}

.main-nav a {
    color: var(--medium-gray);
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.site-header.scrolled {
    height: 65px;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
}

/* --- Buttons --- */
.btn {
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    display: inline-block;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #b91c1c; /* Darker Red */
}

.btn-hero {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px 35px;
    border-radius: 50px;
    font-size: 1.1rem;
}
.btn-hero:hover {
    background-color: #b91c1c;
    transform: scale(1.05);
}

.btn-full {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    text-align: center;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    cursor: pointer;
}

.btn-full:hover {
    background-color: #b91c1c;
}

/* --- Mobile Menu --- */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-gray);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    background-color: var(--white);
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
}

.mobile-menu a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: var(--medium-gray);
    border-bottom: 1px solid var(--light-gray);
}
.mobile-menu a:hover {
    background-color: #fef2f2; /* Light Red */
}
.mobile-menu .btn {
    margin: 10px;
    text-align: center;
}

/* --- Hero Section --- */
#hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1556761175-5973dc0f32e7?q=80&w=1932&auto=format&fit=crop') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* --- Sections & Layout --- */
.section {
    padding: 80px 0;
    scroll-margin-top: var(--header-height);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

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

.grid-2-col, .grid-3-col {
    display: grid;
    gap: 40px;
    align-items: center;
}

.grid-2-col { grid-template-columns: 1fr 1fr; }
.grid-3-col { grid-template-columns: repeat(3, 1fr); }

/* --- About Section --- */
.vision-mission h4 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}
.vision-mission h4 i {
    margin-right: 10px;
}
.vision-mission div:first-child {
    margin-bottom: 20px;
}

/* --- Services Section --- */
.card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    text-align: center;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 25px rgba(0,0,0,0.12);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.card h3 {
    margin-bottom: 10px;
    color: var(--dark-gray);
}

/* --- Industries Section --- */
.industry-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.industry-tags span {
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 500;
}
.industry-tags span:nth-child(odd) {
    background-color: #fee2e2; /* Light Red */
    color: #991b1b; /* Dark Red */
}
.industry-tags span:nth-child(even) {
    background-color: var(--light-gray);
    color: var(--medium-gray);
    background-color: #fee2e2;
    color: #991b1b;
}

/* --- Clients Section --- */
.client-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

/* --- Contact Section --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.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: 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px #fecaca;
}

.contact-info p {
    margin-bottom: 15px;
    display: flex;
    align-items: start;
}
.contact-info i {
    margin-right: 15px;
    color: var(--primary-color);
    margin-top: 4px;
}
.map-container {
    margin-top: 20px;
}
.map-container iframe {
    border-radius: 8px;
}

/* --- Footer --- */
.site-footer {
    background-color: var(--dark-gray);
    color: #d1d5db;
    padding: 60px 0 20px 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.site-footer h3, .site-footer h4 {
    color: var(--white);
    margin-bottom: 15px;
}
.site-footer ul {
    list-style: none;
}
.site-footer ul li a {
    color: #d1d5db;
    text-decoration: none;
    line-height: 2;
    transition: color 0.3s ease;
}
.site-footer ul li a:hover {
    color: var(--white);
}
.social-links a {
    color: #d1d5db;
    font-size: 1.5rem;
    margin-right: 15px;
    transition: color 0.3s ease;
}
.social-links a:hover {
    color: var(--white);
}
.footer-bottom {
    border-top: 1px solid var(--medium-gray);
    padding-top: 20px;
    text-align: center;
    color: #9ca3af;
}

/* --- Animations --- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in-up {
    animation: fadeInUp 1s ease-out forwards;
}
.animate-fade-in-up:nth-child(2) { animation-delay: 0.2s; }
.animate-fade-in-up:nth-child(3) { animation-delay: 0.4s; }

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .grid-3-col { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .mobile-menu-toggle { display: block; }
    .mobile-menu.active { display: flex; }

    .hero-content h1 { font-size: 2.5rem; }
    .hero-content p { font-size: 1.1rem; }

    .grid-2-col, .grid-3-col, .contact-wrapper, .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid div {
        text-align: center;
    }
    .social-links {
        justify-content: center;
    }
}