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

:root {
    --primary-blue: #1e40af;
    --secondary-blue: #3b82f6;
    --light-blue: #dbeafe;
    --dark-blue: #1e3a8a;
    --ocean-teal: #0891b2;
    --light-gray: #f8fafc;
    --medium-gray: #64748b;
    --dark-gray: #334155;
    --white: #ffffff;
    --text-dark: #1e293b;
    --border-color: #e2e8f0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: 700;
}

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

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-blue);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
    padding: 120px 0 80px;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--medium-gray);
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.thruster-illustration {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, var(--primary-blue), var(--ocean-teal));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.3);
}

.thruster-illustration::before {
    content: '⚓';
    font-size: 4rem;
    color: white;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--dark-blue);
    border-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    color: var(--medium-gray);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

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

.bg-primary h2,
.bg-primary h3 {
    color: white;
}

.text-white {
    color: white;
}

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

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

/* Service Cards */
.service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.service-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.service-card p {
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
    text-align: left;
    padding: 0;
}

.service-card ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
    padding-left: 1.5rem;
    color: var(--dark-gray);
}

.service-card ul li:before {
    content: "✓";
    color: var(--primary-blue);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.service-card ul li:last-child {
    border-bottom: none;
}

/* Content Blocks */
.content-block {
    margin-bottom: 2rem;
}

.content-block h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.content-block p {
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.content-block ul {
    list-style: none;
    padding: 0;
}

.content-block ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
    padding-left: 1.5rem;
    color: var(--dark-gray);
}

.content-block ul li:before {
    content: "✓";
    color: var(--primary-blue);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.content-block ul li:last-child {
    border-bottom: none;
}

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

.step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
}

.step-number {
    background: var(--primary-blue);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.step-content p {
    margin: 0;
    color: var(--dark-gray);
    line-height: 1.5;
}

/* Expertise Cards */
.expertise-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.expertise-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.stats {
    display: flex;
    justify-content: space-around;
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 8px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-blue);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--medium-gray);
}

/* Certifications */
.cert-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cert-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    border-left: 4px solid var(--primary-blue);
}

.cert-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.cert-item h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.cert-item p {
    color: var(--medium-gray);
    margin: 0;
    font-size: 0.9rem;
}

/* Philosophy Grid */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.philosophy-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.philosophy-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Value Propositions */
.value-proposition {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.value-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.value-item h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.value-item p {
    margin: 0;
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* Pricing Cards */
.pricing-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.pricing-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.price-note {
    font-size: 0.85rem;
    color: var(--medium-gray);
    font-style: italic;
    margin-top: 1rem;
}

/* Testimonials */
.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: var(--dark-gray);
    line-height: 1.6;
    margin: 0;
}

.testimonial-author {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.testimonial-author strong {
    color: var(--primary-blue);
    display: block;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    margin: 2rem 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--primary-blue);
    color: white;
    font-weight: 600;
}

.comparison-table tr:hover {
    background: var(--light-gray);
}

/* Contact Section */
.contact-info {
    color: white;
}

.contact-info h3 {
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.contact-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
}

.contact-item strong {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.contact-form h3 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.contact-form button {
    width: 100%;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    padding: 0.25rem 0;
    color: #cbd5e1;
}

.footer-bottom {
    border-top: 1px solid #475569;
    padding-top: 1rem;
    text-align: center;
    color: #cbd5e1;
}

/* Quote Blocks */
.quote-block {
    background: var(--light-gray);
    padding: 2rem;
    border-left: 4px solid var(--primary-blue);
    border-radius: 8px;
    margin: 2rem 0;
}

.quote-block blockquote {
    margin: 0;
    font-style: italic;
    color: var(--dark-gray);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .thruster-illustration {
        width: 200px;
        height: 200px;
    }

    .section h2 {
        font-size: 2rem;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

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

    .stats {
        flex-direction: column;
        gap: 1rem;
    }

    .step {
        flex-direction: column;
        text-align: center;
    }

    .cert-item,
    .value-item {
        flex-direction: column;
        text-align: center;
    }

    .comparison-table {
        font-size: 0.9rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .section {
        padding: 60px 0;
    }

    .service-card,
    .expertise-card,
    .philosophy-card,
    .pricing-card {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}