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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    line-height: 1.6;
    color: #000;
    background-color: #fff;
}

/* Header Styles */
.announcement-bar {
    background: linear-gradient(90deg, #1dd1a1, #55a3ff, #a855f7);
    padding: 8px 0;
    text-align: center;
}

.announcement-link {
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.announcement-link:hover {
    color: white;
    text-decoration: underline;
}

.header-main {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-decoration: none;
}

.brand-icon {
    color: #4f46e5;
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.brand-text {
    color: #1a1a1a;
}

.nav-link {
    color: #475467;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #4f46e5;
}

.contact-link {
    color: #475467;
}

.cta-btn {
    background: #4f46e5;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    background: #3730a3;
    transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%234f46e5;stop-opacity:0.1" /><stop offset="100%" style="stop-color:%23a855f7;stop-opacity:0.1" /></linearGradient></defs><path d="M0,0 L1000,0 L800,1000 L0,800 Z" fill="url(%23grad)"/></svg>') no-repeat;
    background-size: cover;
    opacity: 0.3;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    position: relative;
    z-index: 2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #475467;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.btn-hero {
    background: linear-gradient(135deg, #ec4899, #8b5cf6);
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(236, 72, 153, 0.3);
    color: white;
}

.hero-note {
    color: #6b7280;
    font-size: 0.9rem;
    margin-top: 1rem;
    position: relative;
    z-index: 2;
}

/* Introduction Section */
.intro-section {
    padding: 4rem 0;
    background: #f8fafc;
}

.intro-content {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.intro-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 2rem;
    text-align: center;
}

.intro-text {
    font-size: 1.1rem;
    color: #475467;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Company Logos Section */
.logos-section {
    padding: 3rem 0;
    background: white;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

.logos-title {
    text-align: center;
    color: #6b7280;
    font-size: 1rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

.logos-scroll {
    overflow: hidden;
    white-space: nowrap;
}

.logos-track {
    display: inline-flex;
    animation: scroll 30s linear infinite;
    gap: 3rem;
}

.logo-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    background: #f8fafc;
    border-radius: 8px;
    color: #475467;
    font-weight: 600;
    min-width: 150px;
    height: 60px;
    border: 1px solid #e5e7eb;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Features Section */
.features-section {
    background: linear-gradient(rgb(21, 14, 98), rgb(12, 18, 32));
    padding: 6rem 0;
    color: white;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    color: white;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 2.5rem;
    height: 100%;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(79, 70, 229, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: #a5b4fc;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.feature-card p {
    color: #cbd5e1;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.btn-outline-light {
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    background: transparent;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.btn-light {
    background: white;
    color: #1a1a1a;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-light:hover {
    background: #f1f5f9;
    color: #1a1a1a;
}

/* Demo Section */
.demo-section {
    background: #0f172a;
    padding: 6rem 0;
    color: white;
}

.demo-section h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
}

.demo-section p {
    color: #cbd5e1;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.btn-demo {
    background: #4f46e5;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.btn-demo:hover {
    background: #3730a3;
    color: white;
    transform: translateY(-1px);
}

.demo-tabs {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tab-buttons {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.tab-btn {
    flex: 1;
    padding: 1rem;
    background: transparent;
    border: none;
    color: #cbd5e1;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.tab-btn:last-child {
    border-right: none;
}

.tab-btn.active,
.tab-btn:hover {
    background: rgba(79, 70, 229, 0.3);
    color: white;
}

.demo-code {
    padding: 0;
}

.code-header {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-note {
    color: #94a3b8;
    font-size: 0.9rem;
    font-style: italic;
}

.code-content {
    padding: 0;
}

.code-content pre {
    margin: 0;
    padding: 1.5rem;
    background: transparent;
    color: #e2e8f0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    overflow-x: auto;
}

/* Tech Stack Section */
.tech-stack-section {
    padding: 6rem 0;
    background: white;
}

.tech-stack-section .section-title {
    color: #1a1a1a;
    margin-bottom: 4rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    text-align: center;
}

.tech-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border-color: #4f46e5;
}

.tech-item i {
    font-size: 2rem;
    color: #4f46e5;
    margin-bottom: 1rem;
}

.tech-item span {
    font-weight: 600;
    color: #1a1a1a;
}

/* Benefits Section */
.benefits-section {
    padding: 6rem 0;
    background: #f8fafc;
}

.benefits-section .section-title {
    color: #1a1a1a;
    margin-bottom: 4rem;
}

.benefit-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    height: 100%;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    border-color: #4f46e5;
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.benefit-icon i {
    font-size: 1.5rem;
    color: white;
}

.benefit-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.benefit-card p {
    color: #475467;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    padding: 6rem 0;
    color: white;
}

.cta-section h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn-cta {
    background: white;
    color: #4f46e5;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.btn-cta:hover {
    background: #f1f5f9;
    color: #4f46e5;
    transform: translateY(-1px);
}

.cta-image {
    text-align: center;
    color: rgba(255, 255, 255, 0.3);
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-brand {
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    margin-bottom: 1rem;
}

.footer-logo i {
    color: #4f46e5;
    margin-right: 0.5rem;
}

.footer-description {
    color: #9ca3af;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.footer-contact p {
    color: #9ca3af;
    margin-bottom: 0.5rem;
}

.footer-contact a {
    color: #4f46e5;
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

.footer h5 {
    color: white;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #4f46e5;
}

.footer-divider {
    border-color: #374151;
    margin: 3rem 0 2rem;
}

.footer-copyright,
.footer-note {
    color: #9ca3af;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .intro-title {
        font-size: 2rem;
    }
    
    .intro-content {
        padding: 2rem;
    }
    
    .feature-card,
    .benefit-card {
        padding: 2rem;
    }
    
    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1rem;
    }
    
    .tech-item {
        padding: 1.5rem 1rem;
    }
    
    .tab-buttons {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1 1 50%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .feature-actions {
        flex-direction: column;
    }
    
    .cta-section h3 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .intro-title {
        font-size: 1.75rem;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tab-btn {
        flex: 1 1 100%;
    }
}

/* Form Styles */
.form-control {
    border: 1px solid #d1d5db;
    border-radius: 8px;
    padding: 0.75rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-label {
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-custom {
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.border-gradient {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, #4f46e5, #7c3aed) border-box;
}