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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: #6366f1;
    font-weight: 700;
    font-size: 1.5rem;
}

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

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

.nav-link:hover {
    color: #6366f1;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

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

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #fbbf24;
    color: #1f2937;
}

.btn-primary:hover {
    background: #f59e0b;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: white;
    color: #6366f1;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: #1f2937;
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    margin: 0 auto;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.app-interface {
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.chat-bubble {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.4;
}

.chat-bubble.user {
    background: #6366f1;
    color: white;
    align-self: flex-end;
}

.chat-bubble.ai {
    background: #f3f4f6;
    color: #374151;
    align-self: flex-start;
}

.what-if-tree {
    background: #f8fafc;
    border-radius: 12px;
    padding: 15px;
    margin-top: 10px;
}

.tree-node.root {
    font-weight: 600;
    color: #6366f1;
    margin-bottom: 10px;
}

.tree-branches {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.branch {
    background: #e5e7eb;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    color: #6b7280;
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
}

/* Problem Section */
.problem {
    padding: 80px 0;
    background: #f8fafc;
}

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

.problem-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
}

.problem-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.problem-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Solution Section */
.solution {
    padding: 80px 0;
    background: white;
}

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

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.feature-content p {
    color: #6b7280;
    line-height: 1.6;
}

/* Demo Container */
.demo-container {
    position: relative;
}

.demo-phone {
    width: 250px;
    height: 500px;
    background: #1f2937;
    border-radius: 25px;
    padding: 15px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    margin: 0 auto;
}

.demo-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 15px;
    overflow: hidden;
}

.demo-chat {
    padding: 15px;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 15px;
    font-size: 13px;
    line-height: 1.4;
}

.message.user {
    background: #6366f1;
    color: white;
    align-self: flex-end;
}

.message.ai {
    background: #f3f4f6;
    color: #374151;
    align-self: flex-start;
}

.what-if-demo {
    background: #f8fafc;
    border-radius: 10px;
    padding: 12px;
    margin-top: 8px;
}

.demo-tree {
    text-align: center;
}

.tree-root {
    font-weight: 600;
    color: #6366f1;
    margin-bottom: 8px;
    font-size: 12px;
}

.tree-level {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tree-node {
    background: #e5e7eb;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 11px;
    color: #6b7280;
}

/* Why Now Section */
.why-now {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

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

.timing-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.timing-number {
    font-size: 3rem;
    font-weight: 700;
    color: #fbbf24;
    margin-bottom: 1rem;
}

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

.timing-card p {
    opacity: 0.9;
    line-height: 1.6;
}

/* Market Section */
.market {
    padding: 80px 0;
    background: #f8fafc;
}

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

.size-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.size-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #6b7280;
    margin-bottom: 1rem;
}

.size-amount {
    font-size: 3rem;
    font-weight: 700;
    color: #6366f1;
    margin-bottom: 0.5rem;
}

.size-card p {
    color: #6b7280;
}

.competitive-landscape h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1f2937;
}

.competitor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.competitor {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.competitor h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.competitor p {
    color: #6b7280;
    font-size: 0.9rem;
}

.our-advantage {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.our-advantage h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Metrics Section */
.metrics {
    padding: 80px 0;
    background: white;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.metric-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
}

.metric-card:hover {
    border-color: #6366f1;
    transform: translateY(-2px);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #6366f1;
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 1rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.metric-target {
    font-size: 0.875rem;
    color: #6b7280;
}

/* Roadmap Section */
.roadmap {
    padding: 80px 0;
    background: #f8fafc;
}

.roadmap-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #6366f1;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-date {
    background: #6366f1;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    white-space: nowrap;
    margin: 0 2rem;
    z-index: 2;
    position: relative;
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    flex: 1;
    max-width: 300px;
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.timeline-content p {
    color: #6b7280;
    line-height: 1.6;
}

/* Team Section */
.team {
    padding: 80px 0;
    background: white;
}

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

.team-member {
    text-align: center;
    padding: 2rem;
    background: #f8fafc;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 2rem;
}

.team-member h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.team-member p {
    color: #6b7280;
    font-weight: 500;
}

.team-highlight {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    font-size: 1.125rem;
}

/* Vision Section */
.vision {
    padding: 80px 0;
    background: linear-gradient(135deg, #1f2937, #374151);
    color: white;
}

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

.vision-pillar {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.vision-pillar h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #fbbf24;
}

.vision-pillar p {
    opacity: 0.9;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #f8fafc;
}

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

.contact-info h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.contact-info p {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #374151;
}

.contact-item i {
    color: #6366f1;
    font-size: 1.25rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #6366f1;
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-logo h3 {
    color: #6366f1;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

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

.footer-links a:hover {
    color: #6366f1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .solution-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .timeline-item {
        flex-direction: column !important;
        text-align: center;
    }
    
    .timeline-date {
        margin: 0 0 1rem 0;
    }
    
    .roadmap-timeline::before {
        left: 20px;
    }
    
    .timeline-item::before {
        content: '';
        position: absolute;
        left: 20px;
        top: 50%;
        width: 12px;
        height: 12px;
        background: #6366f1;
        border-radius: 50%;
        transform: translate(-50%, -50%);
        z-index: 2;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #6366f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4f46e5;
}