/* Reset and Base Styles */
* {
    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: #3c3c3c;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* Color Variables */
:root {
    --primary-color: #003366;
    --primary-dark: #002244;
    --primary-light: #e6f2ff;
    --accent-color: hsl(160, 84%, 39%);
    --accent-light: hsl(160, 84%, 95%);
    --gray-50: hsl(215, 20%, 98%);
    --gray-100: hsl(215, 20%, 95%);
    --gray-600: hsl(220, 9%, 46%);
    --gray-700: hsl(215, 25%, 27%);
    --gray-800: hsl(215, 28%, 17%);
    --white: #ffffff;
    --border-color: hsl(220, 13%, 91%);
}

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 2.5rem;
    width: auto;
    margin-right: 0.75rem;
}

.nav-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--gray-800);
}

.nav-menu {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    background: none;
    border: none;
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: color 0.2s ease;
}

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

.nav-link:first-child {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    color: var(--gray-600);
    font-size: 1.25rem;
    cursor: pointer;
    transition: color 0.2s ease;
}

.mobile-menu-btn:hover {
    color: var(--primary-color);
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

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

.mobile-menu.active {
    display: block;
}

.mobile-menu-content {
    padding: 0.5rem 0.5rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-nav-link {
    background: none;
    border: none;
    color: var(--gray-600);
    font-size: 1rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    text-align: left;
    cursor: pointer;
    transition: color 0.2s ease;
}

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

.mobile-nav-link:first-child {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
    padding: 5rem 0 8rem;
}

@media (min-width: 1024px) {
    .hero {
        padding: 8rem 0;
    }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-content {
    text-align: center;
}

@media (min-width: 1024px) {
    .hero-content {
        text-align: left;
    }
}

.hero-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--gray-800);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.hero-highlight {
    color: var(--primary-color);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    max-width: 32rem;
}

@media (min-width: 1024px) {
    .hero-description {
        margin-left: 0;
        margin-right: 0;
    }
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

@media (min-width: 1024px) {
    .hero-buttons {
        justify-content: flex-start;
    }
}

.hero-visual {
    position: relative;
}

.hero-grid-container {
    background: linear-gradient(135deg, var(--primary-light) 0%, #cce6ff 100%);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.hero-grid-item {
    background-color: var(--white);
    border-radius: 0.5rem;
    padding: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.hero-grid-item i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

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

.text-accent {
    color: var(--accent-color);
}

.hero-grid-label {
    font-size: 0.75rem;
    color: var(--gray-600);
}

/* Buttons */
.btn {
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
    display: inline-block;
    text-align: center;
}

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

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

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

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

/* Services Section */
.services {
    padding: 5rem 0;
    background-color: var(--white);
}

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

.section-title {
    font-size: 2.25rem;
    font-weight: bold;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

@media (min-width: 640px) {
    .section-title {
        font-size: 2.5rem;
    }
}

.section-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 48rem;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background-color: var(--gray-50);
    border-radius: 0.75rem;
    padding: 2rem;
    transition: box-shadow 0.3s ease;
}

.service-card:hover {
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.service-icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--primary-light);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.service-description {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.service-features i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

/* About Section */
.about {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about-text {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (min-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-card {
    background-color: var(--white);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 1.875rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray-600);
}

.about-visual {
    position: relative;
}

.expertise-container {
    background: linear-gradient(135deg, var(--primary-light) 0%, #cce6ff 100%);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.expertise-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1.5rem;
}

.expertise-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.expertise-category {
    color: var(--gray-700);
}

.expertise-tags {
    display: flex;
    gap: 0.5rem;
}

.tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-weight: 500;
}

.tag-yellow { background-color: #fef3c7; color: #92400e; }
.tag-blue { background-color: #dbeafe; color: #1e40af; }
.tag-red { background-color: #fee2e2; color: #991b1b; }
.tag-purple { background-color: #f3e8ff; color: #7c3aed; }
.tag-green { background-color: #dcfce7; color: #166534; }
.tag-gray { background-color: #f3f4f6; color: #374151; }
.tag-orange { background-color: #fed7aa; color: #c2410c; }

/* Contact Section */
.contact {
    padding: 5rem 0;
    background-color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1.5rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-light);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.contact-icon i {
    color: var(--primary-color);
}

.contact-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.contact-value {
    color: var(--gray-800);
    font-weight: 500;
}

.why-choose {
    background: linear-gradient(135deg, var(--primary-light) 0%, #b3d9ff 100%);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.why-choose-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.75rem;
}

.why-choose-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.why-choose-list li {
    color: var(--gray-600);
    display: flex;
    align-items: center;
}

.why-choose-list i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.quick-start {
    background-color: var(--gray-50);
    border-radius: 0.75rem;
    padding: 2rem;
}

.quick-start-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1.5rem;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    display: flex;
    align-items: flex-start;
}

.step-number {
    width: 2rem;
    height: 2rem;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
    font-size: 0.875rem;
    margin-right: 1rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.step-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.step-description {
    color: var(--gray-600);
}

.call-to-action {
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.cta-content {
    background-color: var(--white);
    border-radius: 0.5rem;
    padding: 1rem;
    border-left: 4px solid var(--primary-color);
}

.cta-title {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.cta-text {
    color: var(--gray-600);
    margin-bottom: 0.75rem;
}

.cta-highlight {
    font-weight: 500;
    color: var(--primary-color);
}

.cta-note {
    font-size: 0.875rem;
    color: #6b7280;
}

/* Footer */
.footer {
    background-color: var(--gray-800);
    color: var(--white);
    padding: 3rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-brand {
    grid-column: span 1;
}

@media (min-width: 768px) {
    .footer-brand {
        grid-column: span 1;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-logo-img {
    height: 2rem;
    width: auto;
    margin-right: 0.75rem;
    background-color: var(--white);
    border-radius: 0.25rem;
    padding: 0.25rem;
}

.footer-title {
    font-size: 1.25rem;
    font-weight: bold;
}

.footer-description {
    color: #94a3b8;
    max-width: 28rem;
}

.footer-heading {
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-link {
    color: #94a3b8;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    padding: 0;
    font-size: inherit;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid #475569;
    margin-top: 2rem;
    padding-top: 2rem;
    text-align: center;
}

.footer-copyright {
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 767px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 3rem 0 5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .services,
    .about,
    .contact {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 1.875rem;
    }
    
    .section-description {
        font-size: 1.125rem;
    }
}