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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.7;
    color: #1f2937;
    background-color: #fff;
}

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

/* Navigation Bar */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: #3B82F6;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.3s;
}

.logo:hover {
    transform: scale(1.05);
}

.brand {
    background: linear-gradient(135deg, #3B82F6 0%, #84CC16 50%, #10B981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #3B82F6;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e40af 0%, #059669 100%);
    color: white;
    padding: 120px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    position: relative;
    z-index: 1;
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.cta-button {
    display: inline-block;
    background-color: #84CC16;
    color: #1f2937;
    padding: 16px 45px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.05rem;
    box-shadow: 0 4px 15px rgba(132, 204, 22, 0.3);
}

.cta-button:hover {
    background-color: #65a30d;
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(132, 204, 22, 0.4);
}

/* About Section */
.about {
    padding: 100px 20px;
    background-color: #f9fafb;
}

.about h2 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #111827;
    font-weight: 800;
}

.intro-text {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 4rem;
    color: #4b5563;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.1);
    border-color: #3B82F6;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    color: #1e40af;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.7;
}

/* Services Section */
.services {
    padding: 100px 20px;
    background-color: #fff;
}

.services h2 {
    font-size: 2.8rem;
    margin-bottom: 4rem;
    text-align: center;
    color: #111827;
    font-weight: 800;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.service-item {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    padding: 2.5rem;
    border-radius: 12px;
    border-left: 5px solid #3B82F6;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.service-item:hover {
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.15);
    transform: translateY(-5px);
    border-left-color: #84CC16;
}

.service-item h3 {
    color: #1e40af;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 700;
}

.service-item p {
    color: #6b7280;
    line-height: 1.7;
}

/* Contact Section */
.contact-section {
    padding: 100px 20px;
    background-color: #f9fafb;
}

.contact-section h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: #111827;
    font-weight: 800;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

.contact-form-wrapper {
    background-color: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.7rem;
    font-weight: 600;
    color: #1f2937;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1.5px solid #e5e7eb;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3B82F6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-bottom: 0;
    font-weight: normal;
    color: #333;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
    margin-bottom: 0;
    cursor: pointer;
}

.submit-button {
    background-color: #3B82F6;
    color: white;
    padding: 14px 35px;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.2);
}

.submit-button:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.contact-info {
    padding: 2.5rem 0;
}

.contact-info h2 {
    color: #1e40af;
    margin-bottom: 2.5rem;
    font-size: 1.8rem;
    font-weight: 700;
}

.info-item {
    margin-bottom: 2.5rem;
}

.info-item h3 {
    color: #1e40af;
    margin-bottom: 0.8rem;
    font-weight: 700;
    font-size: 1.1rem;
}

.info-item p {
    color: #6b7280;
    line-height: 1.7;
}

.info-item a {
    color: #3B82F6;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.info-item a:hover {
    color: #2563eb;
    text-decoration: underline;
}

.info-item ul {
    list-style: none;
    padding-left: 0;
}

.info-item ul li {
    color: #6b7280;
    padding: 0.7rem 0;
    padding-left: 1.8rem;
    position: relative;
    line-height: 1.6;
}

.info-item ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #84CC16;
    font-weight: bold;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background-color: #111827;
    color: #f3f4f6;
    padding: 3rem 20px;
    text-align: center;
    border-top: 1px solid #1f2937;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.footer p {
    margin: 0;
}

.footer a {
    color: #84CC16;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.footer a:hover {
    color: #65a30d;
    text-decoration: underline;
}

/* Demo Section */
.demo-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #1e40af 0%, #059669 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.demo-section::before {
    content: '';
    position: absolute;
    top: -40%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.demo-section .container {
    text-align: center;
    max-width: 1000px;
    position: relative;
    z-index: 1;
}

.demo-content h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.demo-content > p {
    font-size: 1.2rem;
    margin-bottom: 4rem;
    opacity: 0.95;
    line-height: 1.7;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.demo-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.demo-card:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.4);
}

.demo-icon {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

.demo-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.demo-card p {
    font-size: 0.95rem;
    opacity: 0.92;
    line-height: 1.6;
}

.demo-button {
    display: inline-block;
    background-color: #fff;
    color: #1e40af;
    padding: 16px 55px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid white;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.demo-button:hover {
    background-color: transparent;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.demo-footer {
    margin-top: 2rem;
    font-size: 0.95rem;
    opacity: 0.88;
}

@media (max-width: 768px) {
    .demo-section {
        padding: 60px 20px;
    }

    .demo-content h2 {
        font-size: 1.8rem;
    }

    .demo-content > p {
        font-size: 1rem;
    }

    .footer .container {
        flex-direction: column;
        gap: 1rem;
    }

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

    .about h2,
    .services h2 {
        font-size: 2rem;
    }

    .nav-menu {
        gap: 1rem;
    }
}