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

:root {
    --primary: #1E3A8A;
    --secondary: #6366F1;
    --accent: #F59E0B;
    --dark: #0F172A;
    --light: #F8FAFC;
    --white: #FFFFFF;
    --text: #1E293B;
    --text-light: #64748B;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* NAVIGATION */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.navbar .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -1px;
}

.nav-menu {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
}

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

.nav-cta {
    padding: 12px 28px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: #D97706;
    transform: translateY(-1px);
}

/* HAMBURGER BUTTON (Mobile Only) */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    transition: transform 0.3s ease;
}

.hamburger-line {
    width: 28px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

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

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

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

/* MOBILE MENU OVERLAY */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
    z-index: 1000;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 100px 40px 60px;
}

.mobile-menu-links {
    list-style: none;
    width: 100%;
    max-width: 400px;
    margin-bottom: 40px;
}

.mobile-menu-links li {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.5s ease forwards;
}

.mobile-menu-links li:nth-child(1) { animation-delay: 0.1s; }
.mobile-menu-links li:nth-child(2) { animation-delay: 0.15s; }
.mobile-menu-links li:nth-child(3) { animation-delay: 0.2s; }
.mobile-menu-links li:nth-child(4) { animation-delay: 0.25s; }
.mobile-menu-links li:nth-child(5) { animation-delay: 0.3s; }
.mobile-menu-links li:nth-child(6) { animation-delay: 0.35s; }

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.mobile-menu-link {
    display: block;
    padding: 20px 0;
    color: white;
    text-decoration: none;
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.mobile-menu-link:hover {
    color: var(--accent);
    padding-left: 10px;
}

.mobile-menu-cta {
    display: inline-block;
    padding: 18px 40px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    opacity: 0;
    animation: slideInRight 0.5s ease forwards;
    animation-delay: 0.4s;
}

.mobile-menu-cta:hover {
    background: #D97706;
    transform: translateY(-2px);
}

/* Prevent body scroll when menu is open */
body.menu-open {
    overflow: hidden;
}

/* CONTAINER */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* HERO SECTION */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, #0F172A 100%);
    color: white;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1));
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-label {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 30px;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: 72px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
    letter-spacing: -2px;
}

.hero p {
    font-size: 22px;
    margin-bottom: 50px;
    opacity: 0.95;
    max-width: 700px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary {
    padding: 18px 40px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 17px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    background: #D97706;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
    padding: 18px 40px;
    background: transparent;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 17px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* STATS BAR */
.stats-bar {
    background: var(--white);
    padding: 60px 0;
    border-top: 1px solid #E2E8F0;
    border-bottom: 1px solid #E2E8F0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 10px;
    line-height: 1;
}

.stat-label {
    font-size: 15px;
    color: var(--text-light);
    font-weight: 500;
}

/* SECTION STYLES */
section {
    padding: 120px 0;
}

.section-light {
    background: var(--white);
}

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

.section-grey {
    background: var(--light);
}

.section-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 80px;
}

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: var(--secondary);
    color: white;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.section-title {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 25px;
    letter-spacing: -1.5px;
    line-height: 1.15;
}

.section-dark .section-title {
    color: white;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-light);
    line-height: 1.7;
}

.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

/* VALUES SECTION */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
}

.value-card {
    padding: 50px 40px;
    background: white;
    border-radius: 12px;
    border: 1px solid #E2E8F0;
    transition: all 0.3s ease;
}

.value-card:hover {
    border-color: var(--secondary);
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}

.value-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 20px;
    opacity: 0.2;
}

.value-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary);
}

.value-card p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.7;
}

/* PROJECTS GRID */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.project-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid #E2E8F0;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}

.project-image {
    width: 100%;
    height: 320px;
    position: relative;
    overflow: hidden;
    background: var(--light);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.1) 100%);
    pointer-events: none;
}

.project-content {
    padding: 40px;
}

.project-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--light);
    color: var(--secondary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary);
}

.project-content p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 25px;
}

.project-link {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.project-link:hover {
    gap: 12px;
}

/* CASE STUDIES */
.case-study {
    background: white;
    border-radius: 16px;
    padding: 60px;
    margin-bottom: 40px;
    border: 1px solid #E2E8F0;
}

.case-header {
    margin-bottom: 50px;
}

.case-header h3 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

.case-meta {
    display: flex;
    gap: 30px;
}

.case-meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
}

.case-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.case-step {
    position: relative;
    padding-left: 30px;
}

.case-step::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 4px;
    height: 100%;
    background: var(--secondary);
    border-radius: 4px;
}

.case-step h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.case-step p {
    font-size: 16px;
    color: var(--text);
    line-height: 1.7;
}

.case-result {
    margin-top: 40px;
    padding: 30px;
    background: var(--light);
    border-radius: 12px;
    border-left: 4px solid var(--accent);
}

.case-result-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.case-metrics {
    display: flex;
    gap: 40px;
}

.case-metric {
    flex: 1;
}

.case-metric-value {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 5px;
    line-height: 1;
}

.case-metric-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

/* PROCESS SECTION */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.process-step {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.process-step:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.step-number {
    width: 70px;
    height: 70px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    margin: 0 auto 25px;
    color: white;
}

.process-step h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.process-step p {
    font-size: 15px;
    opacity: 0.85;
    line-height: 1.6;
}

/* TECH STACK */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.tech-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.tech-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
}

.tech-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.tech-card p {
    font-size: 14px;
    opacity: 0.7;
}

/* FAQ SECTION */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.faq-item {
    background: white;
    padding: 35px;
    border-radius: 12px;
    border: 1px solid #E2E8F0;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--secondary);
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

.faq-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
    line-height: 1.4;
}

.faq-item p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

/* CONTACT SECTION */
.contact-info {
    text-align: center;
    margin-bottom: 60px;
}

.contact-info h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 30px;
    color: var(--primary);
}

.contact-info p {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto;
}

.contact-people {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.contact-person {
    padding: 30px;
    background: white;
    border-radius: 12px;
    border: 1px solid #E2E8F0;
    transition: all 0.3s ease;
}

.contact-person:hover {
    border-color: var(--secondary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.contact-person h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 15px;
    color: var(--text);
}

.contact-detail a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-detail a:hover {
    color: var(--secondary);
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #0077B5;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    margin: 15px 10px 0 0;
    transition: all 0.3s ease;
}

.linkedin-link:hover {
    background: #006399;
    transform: translateY(-2px);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #6366F1;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    margin: 15px 10px 0 0;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: #4F46E5;
    transform: translateY(-2px);
}

.company-details {
    padding: 30px;
    background: white;
    border-radius: 12px;
    border: 1px solid #E2E8F0;
    transition: all 0.3s ease;
}

.company-details:hover {
    border-color: var(--secondary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.company-details h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

.company-details p {
    font-size: 15px;
    color: var(--text);
    line-height: 1.8;
}

/* FOOTER */
footer {
    background: var(--dark);
    color: white;
    padding: 40px 0;
    text-align: center;
}

footer p {
    font-size: 14px;
    opacity: 0.7;
}

/* RESPONSIVE */
@media (max-width: 1200px) {
    .hero h1 {
        font-size: 56px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    /* Show hamburger, hide desktop menu */
    .hamburger {
        display: flex;
    }
    
    .nav-menu,
    .nav-cta {
        display: none;
    }
    
    .hero h1 {
        font-size: 40px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .stats-grid,
    .values-grid,
    .process-grid,
    .tech-grid,
    .contact-people,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .case-content {
        grid-template-columns: 1fr;
    }
    
    /* Fix case study metrics on mobile */
    .case-study {
        padding: 30px 20px;
    }
    
    .case-metrics {
        flex-direction: column;
        gap: 25px;
    }
    
    .case-metric {
        text-align: center;
        padding: 20px;
        background: white;
        border-radius: 8px;
    }
    
    .case-metric-value {
        font-size: 36px;
    }
}
/* LANGUAGE SWITCHER */
.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-link {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
    padding: 4px 8px;
}

.lang-link:hover {
    color: var(--secondary);
}

.lang-link.active {
    color: var(--primary);
    font-weight: 700;
}

.lang-separator {
    color: var(--text-light);
    font-size: 14px;
    opacity: 0.5;
}

/* Mobile Language Switcher */
.mobile-language-switcher {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.mobile-lang-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
    font-size: 16px;
    transition: color 0.3s ease;
    padding: 4px 8px;
}

.mobile-lang-link:hover {
    color: var(--accent);
}

.mobile-lang-link.active {
    color: white;
    font-weight: 700;
}

.mobile-lang-separator {
    color: rgba(255, 255, 255, 0.5);
    font-size: 16px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .language-switcher,
    .nav-right {
        display: none;
    }
}
