/* ==========================================================================
   CSS Variables & Theming
   ========================================================================== */
   :root {
    /* Color Palette (Red & Black Scheme) */
    --bg-dark: #050505;
    --bg-darker: #000000;
    --bg-panel: #111111;
    
    --accent-red: #E60000;
    --accent-red-hover: #FF1A1A;
    
    --text-main: #F2F2F2;
    --text-muted: #A0A0A0;
    
    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --section-padding: 5rem 1.5rem;
    
    /* Transitions */
    --transition-speed: 0.3s;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    width: 100%;
}

.section {
    padding: var(--section-padding);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    text-align: center;
    letter-spacing: -1px;
}

.highlight {
    color: var(--accent-red);
}

.bg-darker {
    background-color: var(--bg-darker);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.cta-button {
    display: inline-block;
    background-color: var(--accent-red);
    color: #fff;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--accent-red);
}

.cta-button:hover {
    background-color: transparent;
    color: var(--accent-red);
    box-shadow: 0 0 20px rgba(230, 0, 0, 0.4);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 0 1.5rem;
    background: radial-gradient(circle at center, #1a0000 0%, var(--bg-dark) 70%);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.7;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 4px;
    height: 6px;
    background-color: var(--text-muted);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translate(-50%, 0); }
    40% { transform: translate(-50%, -10px); }
    60% { transform: translate(-50%, -5px); }
}

/* ==========================================================================
   Trust Bar
   ========================================================================== */
.trust-bar {
    background-color: var(--bg-panel);
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.marquee {
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    position: relative;
}

.marquee::before,
.marquee::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
}

.marquee::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-panel), transparent);
}

.marquee::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-panel), transparent);
}

.marquee-content {
    display: inline-flex;
    animation: marquee 20s linear infinite;
}

.logo-item {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-muted);
    opacity: 0.5;
    margin: 0 3rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ==========================================================================
   Portfolio Gallery
   ========================================================================== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-red);
    color: #fff;
    border-color: var(--accent-red);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.portfolio-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    display: block;
    background-color: var(--bg-panel);
}

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

.portfolio-item.hidden {
    display: none;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(230,0,0,0.4) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

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

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    transform: translateY(20px);
    transition: transform var(--transition-speed) ease;
}

.project-metric {
    color: var(--accent-red);
    font-weight: 800;
    font-size: 1.125rem;
    transform: translateY(20px);
    transition: transform var(--transition-speed) ease 0.1s;
}

.portfolio-item:hover .project-title,
.portfolio-item:hover .project-metric {
    transform: translateY(0);
}

/* ==========================================================================
   Testimonials & Case Studies
   ========================================================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.case-study {
    background-color: var(--bg-panel);
    padding: 2.5rem;
    border-radius: 8px;
    border-top: 4px solid var(--accent-red);
    transition: transform var(--transition-speed) ease;
}

.case-study:hover {
    transform: translateY(-5px);
}

.quote {
    font-size: 1.125rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.challenge-outcome {
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.challenge-outcome p {
    margin-bottom: 0.5rem;
}

.outcome {
    color: var(--accent-red);
    font-weight: 600;
}

.client-name {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================================================
   Footer & Contact
   ========================================================================== */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

.footer-info p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 400px;
}

.contact-link {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.contact-link:hover {
    color: var(--accent-red);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-panel);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
}

.social-links a:hover {
    background-color: var(--accent-red);
    color: #fff;
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--bg-panel);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--text-main);
    font-family: var(--font-primary);
    transition: border-color var(--transition-speed) ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-red);
}

.submit-button {
    background-color: var(--accent-red);
    color: #fff;
    border: none;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.submit-button:hover {
    background-color: var(--accent-red-hover);
}

.form-status {
    font-size: 0.875rem;
    margin-top: -0.5rem;
}

.form-status.success {
    color: #4caf50;
}

.form-status.error {
    color: var(--accent-red);
}

.footer-bottom {
    text-align: center;
    padding-top: 3rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}