/* ===== BASE STYLES ===== */
:root {
    --primary-color: #1a365d;
    --secondary-color: #2d3748;
    --accent-color: #d69e2e;
    --light-color: #f7fafc;
    --dark-color: #2d3748;
    --text-color: #4a5568;
    --text-light: #718096;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
}

h3 {
    font-size: 1.75rem;
    font-weight: 600;
}

p {
    margin-bottom: 1.5rem;
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #b7791f;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

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

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

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* ===== HEADER & NAVIGATION ===== */
header {
    background-color: white;
    box-shadow: var(--box-shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-links a {
    font-weight: 500;
    color: var(--dark-color);
}

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, #f6f9fc 0%, #ffffff 100%);
    text-align: center;
}

.hero h1 {
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: 80px 0;
    background-color: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.portfolio-item {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.image-placeholder {
    width: 100%;
    height: 250px;
    background: linear-gradient(45deg, #e5e7eb 25%, #f3f4f6 25%, #f3f4f6 50%, #e5e7eb 50%, #e5e7eb 75%, #f3f4f6 75%);
    background-size: 20px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-weight: 500;
}

.portfolio-content {
    padding: 1.5rem;
}

/* ===== PROCESS SECTION ===== */
.process {
    padding: 80px 0;
    background-color: white;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.testimonial {
    max-width: 800px;
    margin: 3rem auto 0;
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.testimonial-text {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--text-color);
    margin-bottom: 2rem;
}

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

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    color: white;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.cta-buttons .btn {
    background-color: var(--accent-color);
    color: white;
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 60px 0 30px;
}

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

.footer-section h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #cbd5e0;
}

.footer-links a:hover {
    color: var(--accent-color);
}

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

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

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #cbd5e0;
    font-size: 0.9rem;
}

/* ===== PAGE SPECIFIC STYLES ===== */
.page-header {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
}

.page-header h1 {
    color: white;
    margin-bottom: 1rem;
}

.page-content {
    padding: 80px 0;
}

/* ===== FORM STYLES ===== */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(214, 158, 46, 0.1);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--box-shadow);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn,
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
        margin-bottom: 1rem;
    }
    
    .testimonial {
        padding: 2rem 1rem;
    }
}
/* ===== SERVICES SLIDER ===== */
.services-slider-section {
    padding: 80px 0;
    background-color: white;
    overflow: hidden;
}

.services-slider-section h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.slider-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
}

.services-slider {
    display: flex;
    transition: transform 0.5s ease;
    gap: 0;
    overflow: hidden;
}

.service-slide {
    flex: 0 0 33.333%;
    max-width: 33.333%;
    padding: 0 15px;
    transition: transform 0.3s ease;
}

.service-slide-content {
    background: white;
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--box-shadow);
    height: 100%;
    text-align: center;
    transition: var(--transition);
    border: 1px solid #e2e8f0;
}

.service-slide-content:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.service-slide-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.service-slide h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-slide p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Slider Navigation Buttons */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-color);
    transition: var(--transition);
    z-index: 10;
}

.slider-nav:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.slider-nav.prev {
    left: 0;
}

.slider-nav.next {
    right: 0;
}

.slider-nav.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.slider-nav.disabled:hover {
    background: white;
    color: var(--primary-color);
    border-color: #e2e8f0;
}

/* Slider Dots */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 2rem;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e2e8f0;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Auto-play indicator */
.auto-play-control {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 1.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.play-pause-btn {
    background: none;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.play-pause-btn:hover {
    color: var(--primary-color);
}

/* Responsive adjustments for slider */
@media (max-width: 992px) {
    .service-slide {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 768px) {
    .slider-container {
        padding: 0 40px;
    }
    
    .service-slide {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .slider-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .slider-container {
        padding: 0 20px;
    }
    
    .service-slide-content {
        padding: 1.5rem;
    }
}