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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* Navigation */
.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 150px 0 100px;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: -50px;
    left: 5%;
    animation-delay: 7s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: -50px;
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    33% {
        transform: translateY(-30px) rotate(120deg);
    }
    66% {
        transform: translateY(30px) rotate(240deg);
    }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    font-weight: 300;
}

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

.btn {
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--bg-white);
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

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

/* Services Section */
.services {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 4rem;
}

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

.service-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(37, 99, 235, 0.2);
    border-color: var(--primary-color);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 16px;
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transition: transform 0.3s ease;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

/* Stats Section */
.stats {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    padding: 80px 0;
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item {
    padding: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.95;
    font-weight: 500;
}

/* About Section */
.about {
    padding: 100px 0;
    background-color: var(--bg-white);
}

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

.about-text p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-item {
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.value-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.value-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.info-item p {
    color: var(--text-light);
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: var(--bg-light);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--text-light);
}

.footer-links h4 {
    margin-bottom: 1rem;
    color: var(--bg-white);
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: var(--text-light);
}

/* Contact form status line */
.form-status {
    margin-top: 1rem;
    font-size: 0.925rem;
    line-height: 1.6;
    min-height: 1.4rem;
}

.form-status.pending {
    color: var(--text-light);
}

.form-status.success {
    color: var(--success-color);
}

.form-status.error {
    color: #dc2626;
}

/* Demos Section */
.demos {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.demos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.demo-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.demo-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(37, 99, 235, 0.2);
    border-color: var(--primary-color);
}

.demo-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.demo-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

/* The icon block is shared with .service-card but needs no bottom gap here,
   since .demo-card-header already spaces it. */
.demo-card .service-icon {
    margin-bottom: 0;
    width: 64px;
    height: 64px;
    font-size: 1.75rem;
}

.demo-tag {
    background-color: var(--bg-light);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    padding: 0.3rem 0.85rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
}

.demo-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.demo-card > p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.demo-facts {
    list-style: none;
    margin-bottom: 1.75rem;
    padding: 1rem 0 0;
    border-top: 1px solid var(--border-color);
    /* Push the button to a common baseline across cards of differing text length */
    margin-top: auto;
}

.demo-facts li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-light);
    font-size: 0.875rem;
    padding: 0.3rem 0;
}

.demo-facts i {
    color: var(--primary-color);
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.btn-demo {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-demo:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.btn-demo i {
    transition: transform 0.3s ease;
}

.btn-demo:hover i {
    transform: translateX(4px);
}

.demos-footer {
    text-align: center;
    margin-top: 3rem;
}

.demos-all-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.demos-all-link:hover {
    gap: 0.9rem;
}

/* Demos index page */
.page-header {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    padding: 140px 0 70px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.92;
    max-width: 680px;
    margin: 0 auto;
}

.nav-brand h2 a {
    color: inherit;
    text-decoration: none;
}

.nav-menu a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.demo-note {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-top: 3rem;
    padding: 1.25rem 1.5rem;
    background-color: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 0.925rem;
    line-height: 1.7;
}

.demo-note i {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.demo-note strong {
    color: var(--text-dark);
    display: block;
    margin-bottom: 0.2rem;
}

.demo-cta {
    background-color: var(--bg-light);
    padding: 80px 0;
    text-align: center;
}

.demo-cta h2 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.demo-cta p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* .btn-primary is white-on-blue in the hero; on the light CTA band it needs
   the inverse treatment to stay legible. */
.demo-cta .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

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

    .page-header {
        padding: 120px 0 50px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

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

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

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .btn-demo {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding: 100px 0 60px;
    }

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