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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 16px;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 16px;
    color: #6b7280;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #f8fafc;
    color: #475569;
    border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-outline:hover {
    background: #667eea;
    color: white;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e2e8f0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
    margin-right: 8px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    margin: 0;
}

.nav-links a {
    text-decoration: none;
    color: #475569;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #667eea;
}

.nav-actions {
    display: flex;
    gap: 16px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: #475569;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: #6b7280;
    font-weight: 500;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.dashboard-mockup {
    background: white;
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    padding: 24px;
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

.dashboard-mockup:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.mockup-header {
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 16px;
    margin-bottom: 24px;
}

.mockup-tabs {
    display: flex;
    gap: 16px;
}

.tab {
    padding: 8px 16px;
    background: #f8fafc;
    border-radius: 6px;
    font-size: 0.875rem;
    color: #6b7280;
    cursor: pointer;
}

.tab.active {
    background: #667eea;
    color: white;
}

.mockup-content {
    display: grid;
    gap: 16px;
}

.widget {
    background: #f8fafc;
    padding: 16px;
    border-radius: 8px;
}

.widget h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #374151;
}

.schedule-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid #e5e7eb;
}

.schedule-item:last-child {
    border-bottom: none;
}

.schedule-time {
    font-weight: 600;
    color: #667eea;
    min-width: 24px;
}

.schedule-task {
    flex: 1;
    font-size: 0.875rem;
    color: #374151;
}

.schedule-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.schedule-status.online {
    background: #10b981;
}

.schedule-status.busy {
    background: #f59e0b;
}

.workload-chart {
    display: flex;
    justify-content: center;
}

.chart-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: conic-gradient(#667eea 0deg 270deg, #e5e7eb 270deg 360deg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.chart-circle::before {
    content: '';
    width: 56px;
    height: 56px;
    background: #f8fafc;
    border-radius: 50%;
    position: absolute;
}

.chart-value {
    font-weight: 700;
    color: #667eea;
    z-index: 1;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
}

.section-header p {
    font-size: 1.125rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: #f8fafc;
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    color: white;
    margin-bottom: 24px;
}

.feature-card h3 {
    margin-bottom: 16px;
    color: #1a1a1a;
}

.feature-card p {
    margin-bottom: 24px;
}

.feature-preview {
    background: white;
    border-radius: 8px;
    padding: 16px;
    border: 1px solid #e2e8f0;
}

/* Feature Previews */
.collaboration-demo {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
}

.team-member {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}

.avatar {
    width: 32px;
    height: 32px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
}

.team-member span {
    font-size: 0.875rem;
    color: #374151;
}

.add-member {
    color: #667eea;
    font-size: 0.875rem;
    cursor: pointer;
}

.time-widget {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.timer {
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
    font-family: 'Monaco', monospace;
}

.timer-controls {
    display: flex;
    gap: 8px;
}

.control-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: #667eea;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.task-board {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.task-column {
    background: #f8fafc;
    border-radius: 6px;
    padding: 12px;
}

.task-header {
    font-size: 0.75rem;
    font-weight: 600;
    color: #6b7280;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.task-count {
    background: #e2e8f0;
    color: #6b7280;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.625rem;
}

.task-item {
    background: white;
    padding: 8px;
    border-radius: 4px;
    margin-bottom: 8px;
    border-left: 3px solid #667eea;
}

.task-title {
    display: block;
    font-size: 0.75rem;
    color: #374151;
    font-weight: 500;
}

.task-date {
    font-size: 0.625rem;
    color: #6b7280;
}

.workspace-demo {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.workspace-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 8px;
}

.workspace-tab {
    font-size: 0.75rem;
    color: #6b7280;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
}

.workspace-tab.active {
    background: #667eea;
    color: white;
}

.widget-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.mini-widget {
    height: 24px;
    background: #e2e8f0;
    border-radius: 4px;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.cta-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 64px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.footer-brand p {
    color: #9ca3af;
    font-size: 0.875rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.footer-column h4 {
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-column ul li {
    margin-bottom: 8px;
}

.footer-column ul li a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.footer-column ul li a:hover {
    color: #667eea;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid #374151;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: 0.875rem;
    margin: 0;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    color: #9ca3af;
    transition: color 0.2s ease;
}

.social-links a:hover {
    color: #667eea;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 16px;
        margin-bottom: 24px;
    }
    
    .nav-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 24px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .task-board {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .features {
        padding: 60px 0;
    }
    
    .cta {
        padding: 60px 0;
    }
    
    .footer {
        padding: 48px 0 24px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions .btn-primary {
        width: 100%;
        max-width: 300px;
    }
}

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

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

.hero-visual {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.feature-card {
    animation: fadeInUp 0.6s ease-out both;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

/* Focus States for Accessibility */
.btn-primary:focus,
.btn-secondary:focus,
.btn-outline:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

.nav-links a:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .nav-toggle,
    .cta,
    .footer {
        display: none;
    }
    
    .hero {
        padding: 0;
        background: white;
        color: black;
    }
    
    .features {
        padding: 20px 0;
    }
    
    .feature-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #e2e8f0;
    }
}