:root {
    --primary-dark: #1e293b;
    --text-dark: #0f172a;
    --primary-green: #22c55e;
    --primary-green-hover: #16a34a;
    --dark-blue: #1e3a5f;
    --dark-hover: #1e293b;
    --text-main: #334155;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
}

.text-green {
    color: var(--primary-green);
}

.text-dark-blue {
    color: var(--dark-blue);
}

.icon-sm {
    width: 18px;
    height: 18px;
}

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

h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

p {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 0.375rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    border: 1px solid transparent;
}

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

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

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

.btn-dark:hover {
    background-color: var(--dark-hover);
}

.btn-outline {
    background-color: white;
    color: var(--text-dark);
    border-color: var(--border-color);
}

.btn-outline:hover {
    border-color: var(--text-muted);
}

.btn-block {
    width: 100%;
}

/* Navbar */
.navbar {
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-weight: 800;
    letter-spacing: 0.05em;
    display: flex;
    flex-direction: column;
}

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

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.95rem;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-dark);
}

.mobile-menu {
    display: none;
    padding: 1rem 20px;
    background: white;
    border-top: 1px solid var(--border-color);
}

.mobile-menu.active {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Hero Section */
.hero {
    padding: 5rem 0 7rem;
    text-align: center;
    background-color: #ffffff;
    background-image: radial-gradient(#f1f5f9 1px, transparent 1px);
    background-size: 20px 20px;
}

.hero-container {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 2rem;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.badge-sm {
    margin-bottom: 1rem;
    padding: 0.25rem 1rem;
    background-color: #ffffff;
}

.dot {
    width: 6px;
    height: 6px;
    background-color: var(--primary-green);
    border-radius: 50%;
}

.hero-subtitle {
    font-size: 1.125rem;
    max-width: 650px;
    margin: 0 auto 2.5rem;
    color: var(--text-muted);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-features {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

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

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

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

/* How It Works */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.step-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 0.5rem;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
    border-top: 3px solid #bbf7d0;
}

.step-icon-wrapper {
    width: 56px;
    height: 56px;
    background-color: #f0fdf4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.step-card h3 {
    color: var(--dark-blue);
}

/* Why Choose Us */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-box {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.feature-box i {
    margin-bottom: 1.5rem;
    width: 32px;
    height: 32px;
}

.feature-box h3 {
    color: var(--dark-blue);
    font-size: 1.125rem;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.project-card {
    background: white;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    border: 1px solid var(--border-color);
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.project-content {
    padding: 1.5rem;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.project-header h3 {
    color: var(--dark-blue);
}

.project-tag {
    background-color: #f0fdf4;
    color: var(--primary-green);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Contact Section */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact-info h2 {
    color: var(--dark-blue);
}

.contact-desc {
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
}

.contact-item {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    color: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h4 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
    color: var(--dark-blue);
}

.contact-item p {
    font-size: 0.95rem;
}

.contact-form-card {
    background: white;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.form-header {
    background-color: var(--dark-blue);
    color: white;
    padding: 2rem;
}

.form-header h3 {
    color: white;
}

.form-header p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.contact-form {
    padding: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94a3b8;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

/* Footer */
.footer {
    background-color: var(--dark-blue);
    color: white;
    text-align: center;
    padding: 2.5rem 0;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.75rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.footer a:hover {
    color: white;
}

/* Responsive */
@media (max-width: 992px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .steps-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto 3rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.5rem;
    }
    .features-grid,
    .form-row {
        grid-template-columns: 1fr;
    }
}