/* CSS Variables */
:root {
    --primary: #f59e0b;
    --primary-hover: #d97706;
    --secondary: #10b981;
    --secondary-hover: #059669;
    --accent: #8b5cf6;
    --bg-primary: #ffffff;
    --bg-light: #f9fafb;
    --bg-dark: #1f2937;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --text-light: #ffffff;
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
    --gradient-primary: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-bg: linear-gradient(135deg, #fef3c7 0%, #fed7aa 50%, #fecaca 100%);
}

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

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    color: var(--primary);
}

.logo-icon {
    font-size: 2rem;
    margin-right: 0.5rem;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--bg-primary);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1001;
    padding: 2rem;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-links {
    list-style: none;
    margin-top: 3rem;
}

.mobile-menu-links li {
    margin-bottom: 1.5rem;
}

.mobile-menu-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-bg);
    overflow: hidden;
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.hero-shape-1 {
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.hero-shape-2 {
    width: 200px;
    height: 200px;
    background: var(--gradient-secondary);
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.hero-shape-3 {
    width: 150px;
    height: 150px;
    background: var(--accent);
    bottom: 20%;
    left: 60%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.hero-logo {
    font-size: 4rem;
    margin-right: 1rem;
}

.hero-brand-name {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

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

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-button-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.cta-button-secondary:hover {
    background: var(--bg-light);
    border-color: var(--primary);
    color: var(--primary);
}

.cta-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.cta-icon {
    flex-shrink: 0;
}

/* Features Section */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--text-light);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card > p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.feature-details {
    list-style: none;
}

.feature-details li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.feature-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

/* Advanced Features Section */
.advanced-features {
    background: var(--bg-light);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: -1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.advanced-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.advanced-feature {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.advanced-feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.advanced-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.advanced-feature h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.advanced-feature p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.feature-example {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 1rem;
    border-left: 4px solid var(--primary);
    text-align: left;
    font-size: 0.9rem;
}

.feature-example strong {
    color: var(--primary);
    display: block;
    margin-bottom: 0.5rem;
}

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

/* Demo Section */
.demo-section {
    background: var(--bg-primary);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.demo-mockup {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

.mockup-header {
    background: var(--bg-dark);
    padding: 1rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.mockup-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
}

.mockup-dot:first-child {
    background: #ef4444;
}

.mockup-dot:nth-child(2) {
    background: #f59e0b;
}

.mockup-dot:nth-child(3) {
    background: #10b981;
}

.mockup-content {
    padding: 2rem;
}

.demo-task {
    background: var(--bg-primary);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.task-header {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.task-category {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.task-category.plumbing {
    background: #dbeafe;
    color: #1e40af;
}

.task-priority {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.task-priority.critical {
    background: #fee2e2;
    color: #dc2626;
}

.demo-task h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.demo-task > p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.task-recommendation {
    background: #eff6ff;
    border-left: 4px solid #3b82f6;
    padding: 1rem;
    border-radius: 0 var(--radius) var(--radius) 0;
}

.task-recommendation strong {
    color: #1e40af;
    display: block;
    margin-bottom: 0.5rem;
}

.task-recommendation p {
    color: #1e40af;
    font-size: 0.875rem;
    margin: 0;
}

.demo-features h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.demo-checklist {
    list-style: none;
    margin-bottom: 2rem;
}

.demo-checklist li {
    margin-bottom: 1rem;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.demo-cta {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.demo-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Testimonials */
.testimonials {
    background: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.6;
}

.testimonial-author strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    color: var(--text-light);
    text-align: center;
}

.cta-section .section-title {
    color: var(--text-light);
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-section .cta-button {
    background: var(--bg-primary);
    color: var(--text-primary);
}

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

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

.footer-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.footer-section p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-muted);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: var(--text-muted);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Animations */
.animate-fadeInUp {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-brand-name {
        font-size: 2rem;
    }
    
    .hero-logo {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .demo-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .task-header {
        flex-direction: column;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .hero-tagline {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

/* Print Styles */
@media print {
    .mobile-menu,
    .back-to-top,
    header,
    .cta-buttons {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .section {
        padding: 20px 0;
    }
}