:root {
    --primary-color: #000000;
    --accent-color: #E0AE1A;
    --accent-orange: #F39C12;
    --accent-orange-dark: #D68910;
    --text-color: #000000;
    --text-secondary: #4a4a4a;
    --background-color: #ffffff;
    --background-gray: #f7f7f7;
    --border-color: #e5e5e5;
    --success-color: #E0AE1A;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    --border-radius: 8px;
    --transition: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-image {
    width: 42px;
    height: 42px;
    object-fit: contain;
    transition: var(--transition);
}

.logo-image:hover {
    transform: scale(1.05);
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.logo h1 {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.03em;
    margin: 0;
    line-height: 1;
}

.logo-tagline {
    font-size: 0.7rem;
    color: var(--accent-color);
    font-weight: 500;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    opacity: 0.8;
}

.nav {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -8px;
    left: 50%;
    background-color: var(--accent-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--background-color) 0%, var(--background-gray) 100%);
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-headline {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

.hero-headline .highlight {
    color: var(--accent-color);
    position: relative;
    display: inline-block;
}

.hero-headline .highlight::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-xl);
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-orange) 100%);
    color: var(--primary-color);
    padding: var(--spacing-md) var(--spacing-xl);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid var(--accent-color);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-orange-dark) 100%);
    transition: var(--transition);
    z-index: -1;
}

.cta-button:hover::before {
    left: 0;
}

.cta-button:hover {
    color: white;
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: calc(var(--spacing-3xl) + var(--spacing-lg)) 0;
}

.section-gray {
    background-color: var(--background-gray);
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: calc(var(--spacing-xl) + var(--spacing-md));
    text-align: center;
    letter-spacing: -0.01em;
}

.section-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.text-block p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.text-block p:last-child {
    margin-bottom: 0;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.service-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-color) 0%, var(--accent-orange) 100%);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(224, 174, 26, 0.1);
}

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

.service-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.service-card h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.service-card:hover h4::after {
    width: 60px;
    background: var(--accent-orange);
}

.service-card ul {
    list-style: none;
}

.service-card li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-left: var(--spacing-lg);
}

.service-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 600;
    transition: var(--transition);
}

.service-card:hover li::before {
    color: var(--accent-orange);
}

.service-card li:last-child {
    margin-bottom: 0;
}

/* Process Section */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.process-card {
    text-align: center;
    padding: var(--spacing-xl);
    transition: var(--transition);
}

.process-card:hover {
    transform: translateY(-8px);
}

.process-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-orange) 100%);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: var(--spacing-lg);
}

.process-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.process-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.contact-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--background-gray);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--accent-color);
}

.contact-icon {
    font-size: 1.5rem;
    min-width: 32px;
}

.contact-info-text {
    flex: 1;
}

.contact-info-text strong {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.contact-info-text p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.4;
}

.contact-info-text a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.contact-info-text a:hover {
    color: var(--accent-orange);
    text-decoration: underline;
}

.contact-form {
    background: var(--background-gray);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

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

.form-group:last-of-type {
    margin-bottom: var(--spacing-xl);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
    background: white;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(224, 174, 26, 0.1);
}

.submit-button {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-orange) 100%);
    color: var(--primary-color);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-orange-dark) 100%);
    transition: var(--transition);
    z-index: -1;
}

.submit-button:hover::before {
    left: 0;
}

.submit-button:hover {
    color: white;
    transform: translateY(-1px);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xl) 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-orange) 50%, var(--accent-orange-dark) 100%);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo {
    font-weight: 700;
    font-size: 1.25rem;
}

.footer-copyright {
    font-size: 1.5rem;
}

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

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-info .section-title {
        text-align: center;
    }
    
    .contact-details {
        margin-bottom: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .logo-image {
        width: 36px;
        height: 36px;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .logo-tagline {
        font-size: 0.65rem;
        letter-spacing: 0.6px;
    }
    
    .hero-headline {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg);
    }
    
    .logo-image {
        width: 32px;
        height: 32px;
    }
    
    .logo h1 {
        font-size: 1.3rem;
    }
    
    .logo-tagline {
        display: none;
    }
    
    .hero-headline {
        font-size: 2rem;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .service-card,
    .contact-form {
        padding: var(--spacing-lg);
    }
}

/* Success message */
.success-message {
    background: var(--success-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-sm);
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: var(--transition);
}

.success-message.show {
    opacity: 1;
    transform: translateY(0);
}

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

.hero-content,
.section-content,
.service-card,
.contact-wrapper {
    animation: fadeInUp 0.8s ease-out;
}