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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #0f172a 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* Typography */
.gradient-text {
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(96, 165, 250, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-icon {
    font-size: 2rem;
    color: #60a5fa;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: #d1d5db;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #60a5fa;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.cta-button {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #60a5fa;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
}

.neural-network {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
}

.hero-content {
    text-align: center;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    margin-bottom: 2rem;
    color: #93c5fd;
    font-size: 0.9rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.25rem;
    color: #d1d5db;
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #60a5fa;
    border: 2px solid #60a5fa;
}

.btn-secondary:hover {
    background: #60a5fa;
    color: #0f172a;
    transform: translateY(-3px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero Visual */
.hero-visual {
    margin-top: 4rem;
}

.ai-visualization {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    height: 300px;
    background: rgba(30, 58, 138, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.2);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-nodes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 2rem;
}

.node {
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.node:nth-child(odd) {
    animation-delay: 0.5s;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: rgba(30, 58, 138, 0.1);
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.2rem;
    color: #d1d5db;
    max-width: 600px;
    margin: 0 auto;
}

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

.service-card {
    background: rgba(30, 58, 138, 0.2);
    border: 1px solid rgba(96, 165, 250, 0.2);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(96, 165, 250, 0.4);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.service-icon {
    font-size: 3rem;
    color: #60a5fa;
    margin-bottom: 1.5rem;
    transition: color 0.3s ease;
}

.service-card:hover .service-icon {
    color: #a855f7;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.service-description {
    color: #d1d5db;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 6rem 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-description {
    font-size: 1.2rem;
    color: #d1d5db;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #60a5fa;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #d1d5db;
    font-size: 0.9rem;
}

.features-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(30, 58, 138, 0.1);
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(96, 165, 250, 0.2);
}

.feature-item i {
    color: #10b981;
    font-size: 1.2rem;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: rgba(30, 58, 138, 0.1);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    background: rgba(30, 58, 138, 0.2);
    border: 1px solid rgba(96, 165, 250, 0.2);
    border-radius: 1rem;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #d1d5db;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(96, 165, 250, 0.2);
    border-radius: 0.5rem;
    color: white;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
}

.contact-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(96, 165, 250, 0.2);
    text-align: center;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: #d1d5db;
}

.contact-item i {
    color: #60a5fa;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.2);
    border-radius: 50%;
    color: #60a5fa;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #60a5fa;
    color: #0f172a;
    transform: translateY(-3px);
}

/* Footer */
.footer {
    padding: 2rem 0;
    border-top: 1px solid rgba(96, 165, 250, 0.2);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-brand i {
    color: #60a5fa;
    font-size: 1.5rem;
}

.footer-text {
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(15, 23, 42, 0.95);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .nav-container {
        padding: 1rem 15px;
    }

    .hero {
        padding: 2rem 0;
    }

    .services,
    .about,
    .contact {
        padding: 4rem 0;
    }

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

/* Animations */
@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}