/* ===========================
   CSS Variables
   =========================== */
:root {
    --primary-color: #00d9ff;
    --secondary-color: #4da6ff;
    --accent-color: #0099cc;
    --bg-dark: #0f172a;
    --bg-medium: #1e293b;
    --bg-light: #334155;
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --success-color: #10b981;
    --icon-color: #00d9ff;
    --transition: all 0.3s ease;
}

/* ===========================
   Global Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    gap: 60px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: 2px;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 48px;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* ===========================
   Hero Section
   =========================== */
.hero-section {
    width: 100%;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-medium) 100%);
    padding: 180px 0 120px 0;
    text-align: center;
    margin-top: 80px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: 16px 40px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

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

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

/* ===========================
   Section Styles
   =========================== */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 64px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* ===========================
   Stats Section
   =========================== */
.stats-section {
    width: 100%;
    background: var(--bg-medium);
    padding: 120px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 48px 32px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
    line-height: 1;
}

.stat-label {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ===========================
   Capabilities Section
   =========================== */
.capabilities-section {
    width: 100%;
    background: var(--bg-dark);
    padding: 120px 0;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.capability-card {
    background: var(--bg-medium);
    padding: 48px 32px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.capability-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.2);
}

.capability-icon {
    font-size: 4rem;
    margin-bottom: 24px;
    filter: grayscale(0%) brightness(1.2);
}

.capability-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.capability-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===========================
   Success Section
   =========================== */
.success-section {
    width: 100%;
    background: var(--bg-medium);
    padding: 120px 0;
}

.success-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.success-card {
    background: var(--bg-light);
    padding: 48px 32px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.success-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.success-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.success-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.success-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===========================
   Services Preview Section
   =========================== */
.services-preview-section {
    width: 100%;
    background: var(--bg-dark);
    padding: 120px 0;
}

.services-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 64px;
}

.service-preview-card {
    background: var(--bg-medium);
    padding: 48px 32px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.service-preview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.2);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    filter: grayscale(0%) brightness(1.2);
}

.service-preview-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.service-preview-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.cta-center {
    text-align: center;
}

/* ===========================
   CTA Section
   =========================== */
.cta-section {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    padding: 120px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
    color: var(--bg-dark);
}

.cta-section p {
    font-size: 1.125rem;
    margin-bottom: 32px;
    color: var(--bg-dark);
}

.cta-section .btn-primary {
    background: var(--bg-dark);
    color: var(--primary-color);
}

.cta-section .btn-primary:hover {
    background: var(--bg-medium);
}

/* ===========================
   About Page Styles
   =========================== */
.intro-section {
    width: 100%;
    background: var(--bg-medium);
    padding: 120px 0;
}

.intro-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.mission-section {
    width: 100%;
    background: var(--bg-dark);
    padding: 120px 0;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.mission-card {
    background: var(--bg-medium);
    padding: 48px 32px;
    border-radius: 12px;
    text-align: center;
}

.mission-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
}

.mission-card h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.mission-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.values-section {
    width: 100%;
    background: var(--bg-medium);
    padding: 120px 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.value-card {
    background: var(--bg-light);
    padding: 32px 24px;
    border-radius: 12px;
    text-align: center;
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.value-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.timeline-section {
    width: 100%;
    background: var(--bg-dark);
    padding: 120px 0;
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--bg-light);
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-year {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 120px;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.certifications-section {
    width: 100%;
    background: var(--bg-medium);
    padding: 120px 0;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.cert-card {
    background: var(--bg-light);
    padding: 48px 32px;
    border-radius: 12px;
    text-align: center;
}

.cert-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    color: var(--success-color);
}

.cert-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.cert-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===========================
   Services Page Styles
   =========================== */
.services-grid-section {
    width: 100%;
    background: var(--bg-medium);
    padding: 120px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--bg-light);
    padding: 48px 32px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.2);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.process-section {
    width: 100%;
    background: var(--bg-dark);
    padding: 120px 0;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

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

.step-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.process-step h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.process-step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.industries-section {
    width: 100%;
    background: var(--bg-medium);
    padding: 120px 0;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.industry-card {
    background: var(--bg-light);
    padding: 32px 24px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.industry-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.industry-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.industry-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===========================
   Contact Page Styles
   =========================== */
.contact-form-section {
    width: 100%;
    background: var(--bg-medium);
    padding: 120px 0;
}

.contact-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form {
    background: var(--bg-light);
    padding: 48px;
    border-radius: 12px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--bg-medium);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
}

.offices-section {
    width: 100%;
    background: var(--bg-dark);
    padding: 120px 0;
}

.offices-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.office-card {
    background: var(--bg-medium);
    padding: 32px 24px;
    border-radius: 12px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.office-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.2);
}

.office-country {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 217, 255, 0.2);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.office-city {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.office-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.office-badge.headquarters {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.office-address {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--bg-light);
    width: 100%;
}

.office-address p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 4px 0;
}

.office-contact {
    width: 100%;
}

.office-contact p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin: 8px 0;
}

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

/* ===========================
   Footer
   =========================== */
.footer {
    width: 100%;
    background: var(--bg-medium);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: 16px;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.7;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--bg-light);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .capabilities-grid,
    .success-grid,
    .services-preview-grid,
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .values-grid,
    .process-grid,
    .offices-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: rgba(15, 23, 42, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 32px 0;
        gap: 24px;
    }

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

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

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

    .capabilities-grid,
    .success-grid,
    .services-preview-grid,
    .services-grid,
    .mission-grid,
    .values-grid,
    .process-grid,
    .industries-grid,
    .certifications-grid,
    .offices-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .timeline-item {
        flex-direction: column;
        gap: 16px;
    }

    .timeline-year {
        min-width: auto;
    }

    .contact-form {
        padding: 32px 24px;
    }
}