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

:root {
    --primary-color: #0a1929;
    --secondary-color: #1e3a5f;
    --accent-color: #4a90e2;
    --text-color: #ffffff;
    --text-muted: #a0aec0;
    --gradient-start: #0a1929;
    --gradient-end: #1e3a5f;
}

html, body {
    font-family: 'Inter', sans-serif;
    background: var(--primary-color);
    color: var(--text-color);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(10, 25, 41, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.nav.scrolled {
    padding: 15px 50px;
    background: rgba(10, 25, 41, 0.95);
}

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

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(74, 144, 226, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    padding: 0 20px;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(50px);
}

.hero h1 span {
    display: inline-block;
    background: linear-gradient(135deg, #ffffff 0%, #4a90e2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    color: var(--text-muted);
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
}

.scroll-indicator {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.scroll-indicator span {
    display: block;
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
    margin: 0 auto 10px;
}

.scroll-indicator p {
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Section Styles */
.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(50px);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.stat-card {
    background: rgba(30, 58, 95, 0.3);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(74, 144, 226, 0.2);
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(74, 144, 226, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.stat-label {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Solutions Section */
.tabs {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.tab {
    padding: 15px 30px;
    background: rgba(30, 58, 95, 0.3);
    border: 1px solid rgba(74, 144, 226, 0.2);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    color: var(--text-muted);
    opacity: 0;
    transform: translateY(30px);
}

.tab:hover, .tab.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.solution-card {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.5) 0%, rgba(10, 25, 41, 0.8) 100%);
    padding: 60px;
    border-radius: 30px;
    border: 1px solid rgba(74, 144, 226, 0.3);
    opacity: 0;
    transform: scale(0.9);
}

.solution-card h3 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.solution-card p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.solution-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.metric {
    text-align: center;
    padding: 20px;
    background: rgba(74, 144, 226, 0.1);
    border-radius: 15px;
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.metric-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Countries Grid */
.countries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 60px;
}

.country {
    padding: 30px 20px;
    background: rgba(30, 58, 95, 0.3);
    border-radius: 15px;
    border: 1px solid rgba(74, 144, 226, 0.2);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.country:hover {
    transform: scale(1.05);
    background: rgba(74, 144, 226, 0.2);
    border-color: var(--accent-color);
}

/* Team Grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.team-member {
    background: rgba(30, 58, 95, 0.3);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(74, 144, 226, 0.2);
    text-align: center;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(74, 144, 226, 0.2);
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    color: white;
}

.team-member h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

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

/* Offices Grid */
.offices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.office-card {
    background: rgba(30, 58, 95, 0.3);
    padding: 50px;
    border-radius: 20px;
    border: 1px solid rgba(74, 144, 226, 0.2);
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.3s ease;
}

.office-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(74, 144, 226, 0.2);
}

.office-card h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.office-card p {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Footer */
.footer {
    padding: 80px 20px 40px;
    background: rgba(10, 25, 41, 0.8);
    border-top: 1px solid rgba(74, 144, 226, 0.2);
    margin-top: 100px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-section p,
.footer-section a {
    color: var(--text-muted);
    text-decoration: none;
    line-height: 2;
    display: block;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid rgba(74, 144, 226, 0.2);
    text-align: center;
    color: var(--text-muted);
}

/* Sections */
section {
    padding: 150px 20px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        padding: 15px 20px;
    }

    .nav-links {
        display: none;
    }

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

    .tabs {
        justify-content: center;
    }

    .solution-card {
        padding: 30px;
    }
    
    section {
        padding: 80px 20px;
    }
}

/* Loading animation */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(74, 144, 226, 0.3);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}