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

body {
    font-family: 'Josefin Sans', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}

/* Theme variables */
:root {
    --bg: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --card: #ffffff;
    --border: #e5e7eb;
    --primary: #2563eb;
    --hero-from: #667eea;
    --hero-to: #764ba2;
    --footer-bg: #1f2937;
}

.dark {
    --bg: #0b1220;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --card: #111827;
    --border: #1f2937;
    --primary: #60a5fa;
    --hero-from: #0b1220;
    --hero-to: #1f2937;
    --footer-bg: #0b1220;
}

body { background: var(--bg); color: var(--text); }

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

/* Header */
.header {
    background: var(--card);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    width: 100%;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    overflow: visible;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    justify-content: space-around;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Theme switch */
.theme-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    margin-left: 1rem;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.theme-switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #c7d2fe;
    transition: .3s;
    border-radius: 9999px;
}

.theme-switch .slider:before {
    position: absolute;
    content: "";
    height: 20px; width: 20px;
    left: 3px; top: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.theme-switch input:checked + .slider {
    background-color: #60a5fa;
}

.theme-switch input:checked + .slider:before {
    transform: translateX(22px);
}

.nav-brand h1 {
    color: #2563eb;
    font-size: 2rem;
    font-weight: 700;
}

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

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--hero-from) 0%, var(--hero-to) 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
    opacity: 0.8;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: #2563eb;
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 80px 0;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text);
}

/* About Section */
.about {
    background: var(--bg);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--muted);
    line-height: 1.7;
}

.about-blurb {
    color: var(--text);
}

.about-leadership {
    margin-top: 2rem;
}

.about-leadership h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.leaders {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.person-card {
    display: grid;
    grid-template-columns: 72px 1fr;
    grid-template-rows: auto auto;
    grid-template-areas:
        "photo meta"
        "bio bio";
    column-gap: 1rem;
    row-gap: 0.5rem;
    align-items: center;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
}

.person-photo {
    grid-area: photo;
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--border);
}

.person-meta { grid-area: meta; }
.person-bio { grid-area: bio; }

@media (max-width: 768px) {
    .person-card {
        grid-template-columns: 56px 1fr;
    }
    .person-photo { width: 56px; height: 56px; }
}

.person-name {
    font-weight: 600;
    color: var(--text);
}

.person-title {
    color: var(--muted);
    font-size: 0.95rem;
}

.person-bio {
    color: var(--muted);
    margin-top: 0.5rem;
}

.person-links a {
    color: var(--primary);
    text-decoration: none;
}

.person-links a:hover { text-decoration: underline; }

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--card);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--muted);
    font-weight: 500;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--card);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

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

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.service-card p {
    color: var(--muted);
    line-height: 1.6;
}

/* Expertise Section */
.expertise {
    background: var(--bg);
}

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

.expertise-category {
    background: var(--card);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.expertise-category h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text);
}

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

.tech-tag {
    background: rgba(96, 165, 250, 0.15);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Process Section */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

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

.step-number {
    background: #2563eb;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.process-step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.process-step p {
    color: var(--muted);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: var(--bg);
}

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

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.contact-info p {
    color: var(--muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.contact-method {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-method strong {
    color: #1f2937;
}

.contact-method a {
    color: #2563eb;
    text-decoration: none;
}

.contact-method a:hover {
    text-decoration: underline;
}

/* Form Styles */
.contact-form {
    background: var(--card);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border);
    background: transparent;
    color: var(--text);
    border-radius: 8px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--footer-bg);
    color: white;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--card);
        border-top: 1px solid var(--border);
        flex-direction: column;
        padding: 1rem 2rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu a {
        font-size: 1.1rem;
        font-weight: 500;
    }
    
    .theme-switch {
        margin-left: 0;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-stats {
        flex-direction: row;
        justify-content: space-around;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-categories {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    section {
        padding: 60px 0;
    }
    
    section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .tech-tags {
        gap: 0.25rem;
    }
    
    .tech-tag {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}