:root {
    --primary-red: #D32F2F;
    --dark-red: #9A0007;
    --accent-orange: #FF6F00;
    --charcoal: #121212;
    --dark-surface: #1A1A1A;
    --light-bg: #FFFFFF;
    --off-white: #F9FAFB;
    --border-color: #E5E7EB;
    --text-main: #1F2937;
    --text-muted: #4B5563;
    --white: #FFFFFF;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--light-bg);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 2px solid var(--primary-red);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    cursor: pointer;
}

.logo-box {
    background: var(--primary-red);
    color: var(--white);
    font-weight: 900;
    font-size: 1.5rem;
    padding: 6px 12px;
    letter-spacing: 1px;
    border-radius: 4px;
}

.logo-text {
    color: var(--charcoal);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.logo-text span {
    color: var(--primary-red);
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links button {
    background: none;
    border: none;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    padding: 0.5rem 0;
    position: relative;
}

.nav-links button:hover, .nav-links button.active {
    color: var(--primary-red);
}

.nav-links button::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: var(--transition);
}

.nav-links button.active::after, .nav-links button:hover::after {
    width: 100%;
}

.cta-nav {
    background: var(--primary-red) !important;
    color: var(--white) !important;
    padding: 0.5rem 1.2rem !important;
    border-radius: 4px;
    transition: var(--transition);
}

.cta-nav::after {
    display: none !important;
}

.cta-nav:hover {
    background: var(--dark-red) !important;
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    cursor: pointer;
    color: var(--charcoal);
    font-size: 1.5rem;
}

/* Main Content View Container */
main {
    margin-top: 80px;
}

.content-view {
    display: none;
    animation: fadeIn 0.4s ease-in-out forwards;
}

.content-view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero Section (White background infused with red & black) */
.hero {
    background: linear-gradient(135deg, var(--off-white) 0%, var(--white) 100%);
    color: var(--charcoal);
    padding: 7rem 2rem 5rem;
    text-align: center;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 50% 10%, rgba(211, 47, 47, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.badge {
    display: inline-block;
    background: rgba(211, 47, 47, 0.1);
    color: var(--primary-red);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(211, 47, 47, 0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.15;
    color: var(--charcoal);
}

.hero h1 span {
    color: var(--primary-red);
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.85rem 2rem;
    border-radius: 4px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--dark-red);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
}

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

.btn-outline:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
    transform: translateY(-2px);
}

/* Section Styling */
section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--charcoal);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 4px;
    background: var(--primary-red);
    border-radius: 2px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Subdivided Grid Layouts */
.subdivision-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: stretch;
    margin-bottom: 3rem;
}

.sub-card {
    background: var(--off-white);
    border: 1px solid var(--border-color);
    border-top: 5px solid var(--primary-red);
    border-radius: 8px;
    padding: 2.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    transition: var(--transition);
}

.sub-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    border-color: var(--charcoal);
    border-top-color: var(--primary-red);
}

.sub-card h3 {
    font-size: 1.5rem;
    color: var(--charcoal);
    margin-bottom: 1rem;
    font-weight: 800;
}

.sub-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.feature-checklist {
    list-style: none;
}

.feature-checklist li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--charcoal);
    font-size: 0.95rem;
}

.feature-checklist li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-red);
    font-weight: 900;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-box {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.service-box:hover {
    border-color: var(--primary-red);
    transform: translateY(-4px);
    box-shadow: 0 12px 25px rgba(211, 47, 47, 0.08);
}

.service-box-header {
    background: var(--charcoal);
    color: var(--white);
    padding: 1.2rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.service-box-header span {
    background: var(--primary-red);
    color: var(--white);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 800;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.service-box-header h4 {
    font-size: 1.1rem;
    font-weight: 700;
}

.service-box-body {
    padding: 1.8rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-box-body p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    background: rgba(211, 47, 47, 0.08);
    color: var(--primary-red);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* Portfolio & Clients Filter & Grid */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--off-white);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary-red);
    color: var(--white);
    border-color: var(--primary-red);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    transition: var(--transition);
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
    border-color: var(--primary-red);
}

.portfolio-img-placeholder {
    height: 200px;
    background: linear-gradient(135deg, var(--charcoal), #2A2A2A);
    color: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    position: relative;
}

.portfolio-img-placeholder h4 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.portfolio-img-placeholder span {
    color: var(--accent-orange);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
}

.client-badge-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--charcoal);
}

.client-badge-meta span {
    color: var(--primary-red);
}

/* Clients Bar */
.clients-section {
    background: var(--off-white);
    padding: 3.5rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-top: 4rem;
}

.clients-section h3 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-weight: 800;
}

.clients-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

.client-logo-pill {
    background: var(--white);
    padding: 0.9rem 1.8rem;
    border-radius: 6px;
    font-weight: 700;
    color: var(--charcoal);
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
}

/* Footer */
footer {
    background: var(--charcoal);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 1.2rem;
    color: var(--accent-orange);
    letter-spacing: 0.5px;
    font-weight: 800;
}

.footer-col p, .footer-col li {
    color: #9CA3AF;
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    list-style: none;
}

.footer-col button {
    background: none;
    border: none;
    color: #9CA3AF;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    padding: 0;
}

.footer-col button:hover {
    color: var(--primary-red);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: #6B7280;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    padding: 2rem;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: var(--white);
    width: 100%;
    max-width: 700px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    transform: scale(0.95);
    transition: var(--transition);
}

.modal-overlay.active .modal-card {
    transform: scale(1);
}

.modal-header {
    background: var(--charcoal);
    color: var(--white);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-body {
    padding: 2.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

/* Responsive Design */
@media (max-width: 900px) {
    .subdivision-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .hero h1 {
        font-size: 2.3rem;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 1.5rem;
        border-bottom: 2px solid var(--primary-red);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        align-items: flex-start;
    }
    .nav-links.active {
        display: flex;
    }
    .menu-toggle {
        display: block;
    }
}