:root {
    --color-midnight-navy: #0A1F44;
    --color-silver-gray: #C0C0C0;
    --color-ivory-white: #F5F5F5;
    --color-ruby-red: #D32F2F;
    --color-graphite-black: #1C1C1C;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-strong: 0 8px 24px rgba(0, 0, 0, 0.2);
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    --max-width: 1280px;
    --grid-columns: 12;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-graphite-black);
    background-color: var(--color-ivory-white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-midnight-navy);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-graphite-black);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-ruby-red);
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

header {
    background-color: var(--color-midnight-navy);
    color: var(--color-ivory-white);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-medium);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-ivory-white);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--color-ivory-white);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: color var(--transition-fast);
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-ivory-white);
    font-size: 1.5rem;
    cursor: pointer;
    position: relative;
    width: 40px;
    height: 40px;
    padding: 0;
}

.mobile-menu-toggle .menu-icon,
.mobile-menu-toggle .close-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
}

.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-midnight-navy) 0%, var(--color-graphite-black) 100%);
    color: var(--color-ivory-white);
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="fabric" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23fabric)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: var(--spacing-lg);
}

.hero h1 {
    color: var(--color-ivory-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-silver-gray);
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-ruby-red);
    color: var(--color-ivory-white);
    border: 2px solid var(--color-ruby-red);
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-medium);
    text-align: center;
}

.btn:hover {
    background-color: transparent;
    color: var(--color-ruby-red);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-ivory-white);
    border-color: var(--color-ivory-white);
}

.btn-secondary:hover {
    background-color: var(--color-ivory-white);
    color: var(--color-midnight-navy);
}

.section-heading {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--color-ruby-red);
    transition: width var(--transition-medium);
}

.section-heading:hover::after {
    width: 120px;
}

.service-card {
    background-color: var(--color-ivory-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-subtle);
    text-align: center;
    transition: all var(--transition-medium);
    border: 1px solid var(--color-silver-gray);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-sm);
    color: var(--color-midnight-navy);
    stroke-width: 1.5;
}

.service-card h3 {
    margin-bottom: var(--spacing-xs);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.portfolio-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow-subtle);
    aspect-ratio: 4/3;
    cursor: pointer;
    background-color: var(--color-graphite-black);
}

.portfolio-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-card:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(10, 31, 68, 0.8) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
    color: var(--color-ivory-white);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-category {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-silver-gray);
    margin-bottom: var(--spacing-xs);
}

.before-after-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow-medium);
    aspect-ratio: 4/3;
}

.before-after-card .before,
.before-after-card .after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: clip-path var(--transition-slow);
}

.before-after-card .before img,
.before-after-card .after img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.before-after-card .before {
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.before-after-card .after {
    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
}

.before-after-card:hover .before {
    clip-path: polygon(0 0, 0% 0, 0% 100%, 0 100%);
}

.before-after-card:hover .after {
    clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%);
}

.before-after-label {
    position: absolute;
    top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(10, 31, 68, 0.9);
    color: var(--color-ivory-white);
    font-weight: 600;
    font-size: 0.875rem;
    z-index: 10;
}

.before-after-label.before-label {
    left: var(--spacing-sm);
}

.before-after-label.after-label {
    right: var(--spacing-sm);
}

.testimonial-card {
    background-color: var(--color-ivory-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-subtle);
    transition: all var(--transition-medium);
    border-left: 4px solid var(--color-ruby-red);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    color: var(--color-graphite-black);
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-midnight-navy);
}

.team-card {
    background-color: var(--color-ivory-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    transition: all var(--transition-medium);
    text-align: center;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.team-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.team-card-content {
    padding: var(--spacing-md);
}

.team-card h3 {
    margin-bottom: var(--spacing-xs);
}

.team-role {
    color: var(--color-ruby-red);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-midnight-navy);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-silver-gray);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
}

footer {
    background-color: var(--color-midnight-navy);
    color: var(--color-ivory-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

.footer-section h4 {
    color: var(--color-ivory-white);
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: var(--color-ivory-white);
}

.footer-section a {
    color: var(--color-ivory-white);
    display: block;
    margin-bottom: var(--spacing-xs);
}

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

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

.footer-bottom p {
    color: var(--color-ivory-white);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-icons a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.social-icons a:hover {
    background-color: var(--color-ruby-red);
    transform: translateY(-2px);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-ivory-white);
    color: var(--color-midnight-navy);
    border: 2px solid var(--color-silver-gray);
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-midnight-navy);
    color: var(--color-ivory-white);
    border-color: var(--color-midnight-navy);
}

.text-center { text-align: center; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

@media (max-width: 768px) {
    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        margin-top: var(--spacing-sm);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero {
        min-height: 60vh;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .nav-links {
        gap: var(--spacing-xs);
    }
    
    .service-icon {
        width: 48px;
        height: 48px;
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 320px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-xs);
        max-width: 100%;
    }
    
    .hero {
        min-height: 50vh;
        padding: var(--spacing-sm) 0;
    }
    
    .hero-content {
        padding: var(--spacing-sm);
    }
    
    .hero h1 {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .hero p {
        font-size: 0.9rem;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .nav-links {
        gap: var(--spacing-xs);
        padding: var(--spacing-xs) 0;
    }
    
    .nav-links a {
        padding: var(--spacing-xs);
        font-size: 0.85rem;
    }
    
    .section {
        padding: var(--spacing-md) 0;
    }
    
    .section-heading {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.1rem; }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .service-card,
    .testimonial-card,
    .team-card {
        padding: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .service-icon {
        width: 40px;
        height: 40px;
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
        width: 100%;
        margin-bottom: var(--spacing-xs);
        display: block;
        text-align: center;
    }
    
    .btn-secondary {
        width: 100%;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .portfolio-card {
        aspect-ratio: 4/3;
    }
    
    .before-after-card {
        aspect-ratio: 4/3;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-section {
        margin-bottom: var(--spacing-md);
    }
    
    .footer-section h4 {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-xs);
        color: var(--color-ivory-white);
    }
    
    .footer-section p {
        font-size: 0.9rem;
        line-height: 1.5;
        color: var(--color-ivory-white);
    }
    
    .footer-section a {
        color: var(--color-ivory-white);
    }
    
    .footer-bottom {
        color: var(--color-ivory-white);
    }
    
    .footer-bottom p {
        color: var(--color-ivory-white);
    }
    
    .form-group {
        margin-bottom: var(--spacing-sm);
    }
    
    .form-group label {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 0.9rem;
        padding: var(--spacing-xs);
        width: 100%;
    }
    
    .form-group textarea {
        min-height: 100px;
    }
    
    .checkbox-group {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .checkbox-group label {
        font-size: 0.85rem;
        line-height: 1.4;
    }
    
    .filter-buttons {
        gap: var(--spacing-xs);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
        flex: 0 1 auto;
        min-width: auto;
    }
    
    img {
        max-width: 100%;
        height: auto;
    }
    
    .testimonial-text {
        font-size: 0.9rem;
    }
    
    .testimonial-author {
        font-size: 0.85rem;
    }
    
    .portfolio-overlay {
        padding: var(--spacing-sm);
    }
    
    .portfolio-category {
        font-size: 0.75rem;
    }
    
    .portfolio-overlay h4 {
        font-size: 1rem;
    }
    
    .before-after-label {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    ul, ol {
        padding-left: 1.25rem;
    }
    
    li {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-xs);
    }
    
    header {
        padding: var(--spacing-xs) 0;
    }
    
    nav {
        flex-wrap: wrap;
    }
    
    .mobile-menu-toggle {
        font-size: 1.25rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}