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

:root {
    --primary-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    --secondary-gradient: linear-gradient(135deg, #2563eb 0%, #60a5fa 100%);
    --tertiary-gradient: linear-gradient(135deg, #1d4ed8 0%, #93c5fd 100%);
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);

    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-dark: #1a202c;
    --text-medium: #4a5568;
    --text-light: #718096;
    --bg-white: #ffffff;
    --bg-light: #f7fafc;
    --bg-lighter: #edf2f7;
    --border-color: #e2e8f0;

    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* 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 var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-medium);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.9375rem;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-hero-primary, .btn-hero-secondary,
.btn-pricing, .btn-cta-primary, .btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

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

.btn-hero-primary {
    background: var(--primary-gradient);
    color: white;
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    box-shadow: var(--shadow-lg);
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-hero-secondary {
    background: white;
    color: var(--primary-color);
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    border: 2px solid var(--primary-color);
}

.btn-hero-secondary:hover {
    background: var(--primary-color);
    color: white;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 2rem;
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Hero Visual */
.hero-visual {
    margin-top: 4rem;
    display: flex;
    justify-content: center;
}

.canvas-preview {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 500px;
    background: white;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.canvas-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.08) 1px, transparent 1px);
    background-size: 50px 50px;
}

.card {
    position: absolute;
    width: 220px;
    background: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    padding: 1rem;
    display: flex;
    gap: 0.75rem;
    animation: float 3s ease-in-out infinite;
    transition: var(--transition);
}

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

.card-1 {
    top: 80px;
    left: 50px;
}

.card-2 {
    top: 200px;
    right: 80px;
}

.card-3 {
    bottom: 100px;
    left: 150px;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.card-priority {
    width: 4px;
    border-radius: 2px;
    flex-shrink: 0;
}

.card-priority.critical {
    background: linear-gradient(180deg, #f56565 0%, #c53030 100%);
}

.card-priority.high {
    background: linear-gradient(180deg, #ed8936 0%, #dd6b20 100%);
}

.card-priority.medium {
    background: linear-gradient(180deg, #4299e1 0%, #3182ce 100%);
}

.card-content {
    flex: 1;
}

.card-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.card-title {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.card-meta {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Features Section */
.features {
    padding: 120px 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-medium);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    background: white;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 1rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    padding: 120px 0;
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.step {
    display: flex;
    gap: 1.5rem;
}

.step-number {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* Pricing Section */
.pricing {
    padding: 120px 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.pricing-card {
    position: relative;
    padding: 2.5rem 2rem;
    border-radius: 1.5rem;
    border: 2px solid var(--border-color);
    background: white;
    transition: var(--transition);
}

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

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-gradient);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.pricing-header {
    text-align: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.currency {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-medium);
    margin-top: 0.5rem;
    margin-left: 0.25rem;
}

.amount {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.amount-custom {
    font-size: 2rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.period {
    font-size: 1rem;
    color: var(--text-medium);
    margin-top: 1.5rem;
}

.pricing-description {
    color: var(--text-medium);
    font-size: 0.9375rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: var(--text-medium);
    font-size: 0.9375rem;
}

.pricing-features svg {
    flex-shrink: 0;
    color: #48bb78;
    margin-top: 2px;
}

.btn-pricing {
    width: 100%;
    padding: 0.875rem;
    background: var(--bg-light);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    transition: var(--transition);
}

.btn-pricing:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
}

.btn-pricing.featured {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

.btn-pricing.featured:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.cta-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
}

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

.btn-cta-primary {
    background: white;
    color: var(--primary-color);
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    box-shadow: var(--shadow-lg);
}

.btn-cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-cta-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    border: 2px solid white;
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--text-dark);
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 300px;
}

.footer-section h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9375rem;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        gap: 2rem;
    }

    .canvas-preview {
        height: 400px;
    }

    .features, .how-it-works, .pricing {
        padding: 80px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

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

    .cta-buttons {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .card {
        width: 180px;
        padding: 0.75rem;
    }

    .card-1 {
        left: 20px;
    }

    .card-2 {
        right: 20px;
    }

    .card-3 {
        left: 60px;
    }
}