:root {
    /* Color System */
    --color-primary: #FF4500;
    --color-primary-dark: #D63A00;
    --color-secondary: #0A0E27;
    --color-accent: #FFD700;
    --color-white: #FFFFFF;
    --color-light: #F5F5F7;
    --color-gray: #8E8E93;
    --color-dark: #1D1D1F;
    --color-black: #000000;
    
    /* Typography */
    --font-display: 'Bebas Neue', 'Impact', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-dark);
    background: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition-base);
}

.nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    gap: 0;
    text-decoration: none;
    line-height: 0.9;
}

.logo-momentum {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.logo-works {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    letter-spacing: 0.05em;
}

.logo-media {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-gray);
    letter-spacing: 0.15em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:not(.nav-cta):after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

.nav-links a:not(.nav-cta):hover:after {
    width: 100%;
}

.nav-cta {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.75rem 1.75rem;
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
    background: linear-gradient(135deg, #0A0E27 0%, #1a1f3a 50%, #0A0E27 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 69, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
    animation: pulseGradient 8s ease-in-out infinite;
}

@keyframes pulseGradient {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    width: 100%;
}

.hero-text {
    max-width: 900px;
    margin-bottom: 4rem;
}

.hero-headline {
    font-size: clamp(3rem, 8vw, 6.5rem);
    color: var(--color-white);
    margin-bottom: 2rem;
    line-height: 0.95;
}

.headline-line {
    display: block;
    opacity: 0;
    transform: translateY(40px);
    animation: slideUp 0.8s ease forwards;
}

.headline-line[data-delay="100"] {
    animation-delay: 0.1s;
}

.headline-line[data-delay="200"] {
    animation-delay: 0.2s;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subheadline {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    line-height: 1.7;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.4s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.hero-cta-group {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.6s forwards;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
    letter-spacing: 0.02em;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255, 69, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

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

.btn-primary-inverse:hover {
    background: var(--color-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.8s forwards;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    border-color: rgba(255, 69, 0, 0.5);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.02em;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    z-index: 1;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Styles */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--color-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    background: var(--color-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-base);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    position: relative;
    height: 240px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, #2a3050 100%);
    overflow: hidden;
}

.service-card:nth-child(1) .card-image {
    background: linear-gradient(135deg, #FF4500 0%, #D63A00 100%);
}

.service-card:nth-child(2) .card-image {
    background: linear-gradient(135deg, #0A0E27 0%, #1a1f3a 100%);
}

.service-card:nth-child(3) .card-image {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
}

.service-card:nth-child(4) .card-image {
    background: linear-gradient(135deg, #1a1f3a 0%, #0A0E27 100%);
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition-base);
}

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

.card-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-family: var(--font-display);
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.2);
    line-height: 1;
    transition: var(--transition-base);
}

.service-card:hover .card-number {
    color: rgba(255, 255, 255, 0.4);
    transform: scale(1.1);
}

.card-content {
    padding: 2rem;
}

.card-title {
    font-size: 1.75rem;
    color: var(--color-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.card-description {
    color: var(--color-gray);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.feature-tag {
    font-size: 0.8rem;
    padding: 0.4rem 0.9rem;
    background: var(--color-light);
    color: var(--color-secondary);
    border-radius: 20px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Case Studies Section */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.case-card {
    background: var(--color-white);
    border: 2px solid var(--color-light);
    border-radius: 8px;
    padding: 2.5rem;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.case-card:hover::before {
    transform: scaleX(1);
}

.case-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.case-industry {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    background: rgba(255, 69, 0, 0.1);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    margin-bottom: 1.5rem;
}

.case-title {
    font-size: 1.75rem;
    color: var(--color-secondary);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.case-challenge,
.case-strategy {
    margin-bottom: 2rem;
}

.case-challenge h4,
.case-strategy h4 {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-secondary);
    margin-bottom: 0.75rem;
}

.case-challenge p,
.case-strategy p {
    color: var(--color-gray);
    line-height: 1.7;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-light);
}

.result-metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.metric-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* Testimonials Section */
.testimonials {
    background: var(--color-secondary);
    color: var(--color-white);
}

.testimonials .section-title {
    color: var(--color-white);
}

.testimonials-carousel {
    position: relative;
    overflow: hidden;
    margin-bottom: 3rem;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-card {
    min-width: 100%;
    padding: 3rem 2rem;
}

.testimonial-quote {
    font-size: 1.5rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.author-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-accent);
}

.author-title {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.carousel-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.carousel-dots {
    display: flex;
    gap: 0.75rem;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-fast);
}

.carousel-dot.active {
    background: var(--color-accent);
    transform: scale(1.2);
}

/* Culture/Values Section */
.culture {
    background: var(--color-light);
}

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

.value-card {
    background: var(--color-white);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.value-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 69, 0, 0.1), rgba(255, 215, 0, 0.1));
    border-radius: 50%;
    color: var(--color-primary);
    transition: var(--transition-base);
}

.value-card:hover .value-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(255, 69, 0, 0.2), rgba(255, 215, 0, 0.2));
}

.value-title {
    font-size: 1.5rem;
    color: var(--color-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.value-description {
    color: var(--color-gray);
    line-height: 1.7;
}

/* Contact Section */
.contact {
    background: var(--color-white);
    padding: 6rem 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.contact-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--color-gray);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray);
}

.contact-value {
    font-size: 1.125rem;
    color: var(--color-secondary);
}

.contact-card {
    background: var(--color-light);
    padding: 3rem;
    border-radius: 8px;
}

.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: 0.9rem;
    font-weight: 600;
    color: var(--color-secondary);
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition-fast);
    background: var(--color-white);
}

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

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

/* Footer */
.footer {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 1rem;
    line-height: 0.9;
}

.footer .logo-momentum {
    color: var(--color-primary);
}

.footer .logo-works {
    color: var(--color-white);
}

.footer .logo-media {
    color: rgba(255, 255, 255, 0.6);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-white);
    padding-left: 0.5rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        transition: var(--transition-base);
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding: 6rem 1.5rem 3rem;
    }
    
    .hero-headline {
        font-size: 2.5rem;
    }
    
    .hero-cta-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .services-grid,
    .cases-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 4rem 0;
    }
}

/* Animations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .nav,
    .scroll-indicator,
    .carousel-controls,
    .footer {
        display: none;
    }
}