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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --bg: #ffffff;
    --bg-secondary: #f8fafc;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--dark);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    text-decoration: none;
}

.logo-image {
    height: 56px;
    width: auto;
    object-fit: contain;
}

.logo-icon {
    font-size: 28px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-login {
    padding: 8px 20px;
    border-radius: 8px;
    transition: all 0.3s;
}

.btn-login:hover {
    background: var(--bg-secondary);
}

.btn-primary {
    background: var(--primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: 8px;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

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

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #fef3f9 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.badge-icon {
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--dark);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--gray);
    margin-bottom: 32px;
    line-height: 1.6;
}

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

.btn-hero-primary {
    background: var(--primary);
    color: white;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-block;
}

.btn-hero-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.4);
}

.btn-hero-secondary {
    background: white;
    color: var(--dark);
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.btn-hero-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.play-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 10px;
}

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

.stat {
    text-align: left;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--dark);
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
}

/* Hero Visual */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 500px;
}

.dashboard-preview {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

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

.preview-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.preview-dots {
    display: flex;
    gap: 6px;
}

.preview-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.preview-title {
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.preview-content {
    padding: 24px;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 120px;
    gap: 8px;
    margin-bottom: 20px;
}

.bar {
    flex: 1;
    background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 4px 4px 0 0;
    animation: growBar 1.5s ease-out;
}

@keyframes growBar {
    from { height: 0; }
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.metric-card {
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.metric-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.metric-icon.positive {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.metric-icon.neutral {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.metric-icon.negative {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.metric-value {
    font-weight: 600;
    font-size: 14px;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 12px 16px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    animation: floatCard 4s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.card-2 {
    bottom: 15%;
    right: -15%;
    animation-delay: 2s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(2deg); }
}

.card-icon {
    font-size: 20px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--dark);
}

.section-description {
    font-size: 18px;
    color: var(--gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: 16px;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--gray);
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(135deg, #fef3f9 0%, #f5f7fa 100%);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 48px;
    margin-top: 64px;
}

.step {
    display: grid;
    grid-template-columns: 80px 1fr 300px;
    gap: 32px;
    align-items: center;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.step-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--gray);
    line-height: 1.6;
}

.step-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.url-input-demo, .analysis-demo, .report-demo {
    background: white;
    padding: 20px 32px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 12px;
}

.demo-icon {
    font-size: 24px;
}

.demo-text {
    font-weight: 500;
    color: var(--gray);
}

.progress-ring {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Social Proof */
.social-proof {
    padding: 100px 0;
    background: white;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.testimonial-card {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.testimonial-rating {
    color: #fbbf24;
    font-size: 20px;
    margin-bottom: 16px;
}

.testimonial-text {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.author-name {
    font-weight: 600;
    color: var(--dark);
}

.author-role {
    font-size: 14px;
    color: var(--gray);
}

/* Pricing */
.pricing {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #fef3f9 100%);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.pricing-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    border: 2px solid rgba(0, 0, 0, 0.05);
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.2);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}

.price-currency {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray);
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--dark);
}

.price-period {
    font-size: 16px;
    color: var(--gray);
}

.price-description {
    color: var(--gray);
    font-size: 14px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray);
}

.check {
    color: var(--success);
    font-weight: bold;
    font-size: 18px;
}

.btn-pricing {
    display: block;
    text-align: center;
    padding: 14px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid var(--gray-light);
    color: var(--dark);
    transition: all 0.3s;
}

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

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

.btn-pricing.primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.btn-cta {
    display: inline-block;
    background: white;
    color: var(--primary);
    padding: 16px 48px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 18px;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.cta-note {
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 60px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--gray-light);
    margin-top: 16px;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column a {
    display: block;
    color: var(--gray-light);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-light);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }

    .hero-content {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        padding: 12px 0;
        border-bottom: 1px solid var(--gray-light);
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

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

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-description {
        font-size: 18px;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

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

    .step {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .step-number {
        margin: 0 auto;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
    }
}