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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --accent-color: #3b82f6;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:not(.btn-primary):hover {
    color: var(--primary-color);
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0;
    text-align: center;
}

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 24px;
    color: white;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

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

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

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--bg-light);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: white;
}

.service-card h3 {
    margin-bottom: 16px;
    color: var(--text-dark);
}

.service-description {
    margin-bottom: 24px;
    color: var(--text-light);
}

.service-details h4 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-details ul {
    list-style: none;
    margin-bottom: 20px;
}

.service-details li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-light);
}

.service-details li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.ideal-for {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

/* Process Section */
.process {
    padding: 100px 0;
    background: var(--bg-white);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.process-step {
    text-align: center;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 24px;
}

.step-content h3 {
    margin-bottom: 16px;
}

.step-content p {
    color: var(--text-light);
}

/* Why Section */
.why-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.benefit-card {
    text-align: center;
    padding: 40px 20px;
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.benefit-card h3 {
    margin-bottom: 16px;
}

.benefit-card p {
    color: var(--text-light);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--bg-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    margin-bottom: 20px;
}

.contact-info > p {
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item h4 {
    margin-bottom: 8px;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
}

/* Contact Form */
.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
}

.contact-form button[type="submit"] {
    width: 100%;
    border: none;
}

/* About Page Styles */
.about-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.about-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: white;
}

.about-hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
}

.about-content {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.about-text h2 {
    margin-bottom: 20px;
    margin-top: 40px;
}

.about-text h2:first-child {
    margin-top: 0;
}

.about-text p {
    margin-bottom: 20px;
}

.skills-list {
    list-style: none;
    margin-top: 20px;
}

.skills-list li {
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
    color: var(--text-light);
}

.skills-list li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.about-sidebar {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.tech-stack {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 12px;
}

.tech-stack h3 {
    margin-bottom: 24px;
    color: var(--text-dark);
}

.tech-category {
    margin-bottom: 24px;
}

.tech-category:last-child {
    margin-bottom: 0;
}

.tech-category h4 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.tech-category ul {
    list-style: none;
}

.tech-category li {
    padding: 6px 0;
    color: var(--text-light);
    font-size: 0.95rem;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    color: white;
}

.cta-box h3 {
    margin-bottom: 12px;
    color: white;
}

.cta-box p {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.9);
}

.values-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.value-card {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.value-card h3 {
    margin-bottom: 12px;
    color: var(--text-dark);
}

.value-card p {
    color: var(--text-light);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    text-align: center;
    padding: 40px 0;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero {
        padding: 80px 0;
    }

    .services, .process, .why-section, .contact {
        padding: 60px 0;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .process-grid, .benefits-grid {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn-large {
        width: 100%;
        text-align: center;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-content, .values-section {
        padding: 60px 0;
    }

    .about-hero {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .service-card, .contact-form {
        padding: 24px;
    }
}