:root {
    --primary: #102f6f;
    --secondary: #c6c6c6;
    --accent: #007bff;
    --bg-color: #f8f9fc;
    --text-main: #1a1a2e;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --shadow: 0 8px 32px 0 rgba(16, 47, 111, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--primary);
    font-weight: 800;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.highlight {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow);
}

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

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links a:hover:not(.btn) {
    color: var(--accent);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary);
    color: white !important;
    border: 2px solid var(--primary);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary) !important;
}

.btn-primary.white-btn {
    background-color: white;
    color: var(--primary) !important;
    border-color: white;
}
.btn-primary.white-btn:hover {
    background-color: transparent;
    color: white !important;
    border-color: white;
}

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

.btn-secondary:hover {
    background-color: var(--primary);
    color: white !important;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem;
    align-items: center;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

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

.hero-graphics {
    position: relative;
    height: 500px;
}

/* Blobs */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    z-index: -1;
    animation: drift 10s infinite alternate ease-in-out;
}

.blob-1 {
    width: 300px;
    height: 300px;
    background: rgba(16, 47, 111, 0.3);
    top: 10%;
    left: 10%;
}

.blob-2 {
    width: 250px;
    height: 250px;
    background: rgba(0, 123, 255, 0.2);
    bottom: 10%;
    right: 10%;
    animation-delay: -5s;
}

/* Glass Card */
.glass-card {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
    padding: 2rem;
    position: absolute;
    width: 80%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.mock-ui .ui-header {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.ui-line {
    height: 12px;
    background: var(--secondary);
    border-radius: 6px;
    margin-bottom: 15px;
    opacity: 0.5;
}

.ui-line.w-80 { width: 80%; }
.ui-line.w-60 { width: 60%; }
.ui-line.w-40 { width: 40%; }

.ui-block {
    height: 80px;
    background: linear-gradient(135deg, rgba(16, 47, 111, 0.1), rgba(0, 123, 255, 0.1));
    border-radius: 8px;
    margin: 20px 0;
}

/* Services */
.services {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 4rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(16, 47, 111, 0.1);
    border-bottom: 4px solid var(--primary);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(16, 47, 111, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
}

/* CTA */
.cta-section {
    background: var(--primary);
    padding: 6rem 2rem;
    text-align: center;
    color: white;
    margin-top: 4rem;
}

.cta-container h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-container p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background: #0a1f4d;
    color: white;
    padding: 4rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 40px;
    filter: brightness(0) invert(1);
    margin-bottom: 1rem;
}

.footer-brand p {
    opacity: 0.7;
}

.footer-links h4, .footer-social h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-links a {
    display: block;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    color: white;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.social-icons a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Animations */
@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -30px) scale(1.1); }
}

.fade-in {
    opacity: 0;
    transition: opacity 1s ease-out;
}

.fade-in.visible {
    opacity: 1;
}

.slide-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s ease-out;
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Tech Stack */
.tech-stack {
    background: white;
    padding: 4rem 2rem;
    text-align: center;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.tech-item {
    background: var(--bg-color);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
    border: 1px solid var(--glass-border);
    transition: transform 0.3s;
}

.tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.tech-icon {
    font-size: 1.5rem;
}

/* Metrics */
.metrics {
    background: linear-gradient(135deg, var(--primary), #0a1f4d);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
}

.metrics-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
    gap: 2rem;
}

.metric-card h3 {
    color: white;
    font-size: 3.5rem;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.metric-card span {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent);
}

.metric-card p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Methodology / Timeline */
.methodology {
    padding: 4rem 2rem;
    background: var(--bg-color);
    max-width: 1000px;
    margin: 0 auto;
}

.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: rgba(16, 47, 111, 0.2);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: -3rem;
    top: 5px;
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    box-shadow: 0 0 0 5px var(--bg-color);
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
}

/* Responsive */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 6rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}