/* Loadest AI - Neo-Brutalist Stylesheet */

/* ================== */
/* ROOT VARIABLES */
/* ================== */
:root {
    --black: #000000;
    --white: #FFFFFF;
    --yellow: #FFD93D;
    --pink: #FFB6D9;
    --mint: #6BCB77;
    --purple: #7C3AED;
    --purple-dark: #6C3AE7;
    --coral: #FF6B6B;
    --blue: #93C5FD;
    --amazon: #FF9900;
    --walmart: #0071CE;
    --ebay: #E53238;
    --gray: #6B7280;
    --light-gray: #F8F8F8;
}

/* ================== */
/* RESET & BASE */
/* ================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* ================== */
/* TYPOGRAPHY */
/* ================== */
h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 1rem;
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 0.8rem;
}

h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* ================== */
/* LAYOUT UTILITIES */
/* ================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 2rem;
}

/* ================== */
/* NEO-BRUTALIST COMPONENTS */
/* ================== */

/* Brutal Border */
.brutal-border {
    border: 4px solid var(--black);
    box-shadow: 8px 8px 0 var(--black);
    transition: all 0.3s ease;
}

.brutal-border:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0 var(--black);
}

/* Brutal Button */
.brutal-button {
    display: inline-block;
    padding: 1rem 2rem;
    border: 4px solid var(--black);
    background: var(--white);
    color: var(--black);
    font-weight: 900;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 6px 6px 0 var(--black);
}

.brutal-button:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--black);
}

.brutal-button.primary {
    background: var(--mint);
}

.brutal-button.primary:hover {
    background: var(--coral);
}

.brutal-button.large {
    padding: 1.5rem 3rem;
    font-size: 1.3rem;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 1.5rem 3rem;
    background: var(--mint);
    color: var(--black);
    text-decoration: none;
    font-weight: 900;
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 4px solid var(--black);
    box-shadow: 8px 8px 0 var(--black);
    transition: all 0.3s ease;
    cursor: pointer;
}

.cta-button:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0 var(--black);
    background: var(--coral);
}

/* ================== */
/* NAVIGATION */
/* ================== */
.nav-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 4px solid var(--black);
    z-index: 1000;
    padding: 1rem 2rem;
    transition: all 0.3s ease;
}

.nav-fixed.scrolled {
    padding: 0.5rem 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    text-decoration: none;
    color: var(--black);
    letter-spacing: -1px;
}

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

.nav-links a {
    color: var(--black);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--purple);
    transition: width 0.3s ease;
}

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

.nav-mode-switch {
    padding: 0.5rem 1rem;
    background: var(--yellow);
    border: 3px solid var(--black);
    box-shadow: 4px 4px 0 var(--black);
}

.nav-mode-switch:hover {
    background: var(--purple);
    color: var(--white) !important;
}

/* ================== */
/* HERO SECTION */
/* ================== */
.hero {
    min-height: 100vh;
    padding: 8rem 2rem 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 20px,
        rgba(0,0,0,0.03) 20px,
        rgba(0,0,0,0.03) 40px
    );
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.value-props {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.value-prop {
    padding: 2rem;
    background: var(--white);
    border: 4px solid var(--black);
    box-shadow: 6px 6px 0 var(--black);
}

.value-prop h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.value-prop p {
    font-size: 1rem;
    opacity: 0.8;
}

/* ================== */
/* FEATURES SECTION */
/* ================== */
.features-section {
    padding: 5rem 2rem;
    background: var(--white);
}

.features-section.alt-bg {
    background: var(--light-gray);
}

.section-description {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
    opacity: 0.9;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.6;
}

/* ================== */
/* PROCESS SECTION */
/* ================== */
.process-section {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--yellow) 0%, var(--coral) 100%);
    position: relative;
}

.process-steps {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    background: var(--white);
    padding: 2rem;
    border: 4px solid var(--black);
    box-shadow: 8px 8px 0 var(--black);
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.process-step.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: var(--black);
    color: var(--white);
    font-size: 1.8rem;
    font-weight: 900;
    border-radius: 50%;
}

.step-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.step-content p {
    margin-bottom: 1rem;
}

.step-content ul {
    list-style: none;
    padding-left: 0;
}

.step-content li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.step-content li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--mint);
    font-weight: bold;
}

/* ================== */
/* USE CASES SECTION */
/* ================== */
.use-cases-section {
    padding: 5rem 2rem;
    background: var(--white);
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.use-case-card {
    padding: 2rem;
    background: var(--light-gray);
    border: 4px solid var(--black);
    box-shadow: 6px 6px 0 var(--black);
    transition: all 0.3s ease;
}

.use-case-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--black);
}

.use-case-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--purple);
}

/* ================== */
/* COMPARISON SECTION */
/* ================== */
.comparison-section {
    padding: 5rem 2rem;
    background: var(--light-gray);
}

.comparison-table {
    background: var(--white);
    border: 4px solid var(--black);
    box-shadow: 12px 12px 0 var(--black);
    overflow: hidden;
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    background: var(--purple);
    color: var(--white);
    font-weight: 900;
    text-transform: uppercase;
}

.comparison-header .cell {
    padding: 1.5rem;
    border-right: 3px solid var(--black);
}

.comparison-header .cell.highlight {
    background: var(--yellow);
    color: var(--black);
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    border-bottom: 3px solid var(--black);
}

.comparison-row .cell {
    padding: 1rem 1.5rem;
    border-right: 3px solid var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-row .cell:first-child {
    justify-content: flex-start;
    font-weight: 700;
    background: var(--yellow);
}

/* ================== */
/* FAQ SECTION */
/* ================== */
.faq-section {
    padding: 5rem 2rem;
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.faq-item {
    padding: 2rem;
    background: var(--light-gray);
    border: 4px solid var(--black);
    box-shadow: 6px 6px 0 var(--black);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.faq-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.faq-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--purple);
}

/* ================== */
/* CTA SECTION */
/* ================== */
.cta-section {
    padding: 5rem 2rem;
    background: var(--mint);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 20px,
        rgba(0,0,0,0.03) 20px,
        rgba(0,0,0,0.03) 40px
    );
    pointer-events: none;
}

.cta-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-benefits {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.cta-benefits .benefit {
    font-weight: 700;
    font-size: 1.1rem;
}

.cta-note {
    margin-top: 2rem;
    font-size: 1rem;
    opacity: 0.8;
}

/* ================== */
/* FOOTER */
/* ================== */
footer {
    background: var(--black);
    color: var(--white);
    padding: 3rem 2rem 2rem;
}

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

.company-info h3,
.footer-links h4 {
    margin-bottom: 1rem;
    color: var(--yellow);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--yellow);
}

.social-proof {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
    border-top: 2px solid var(--yellow);
    border-bottom: 2px solid var(--yellow);
    margin: 2rem 0;
}

.testimonial {
    font-style: italic;
    opacity: 0.9;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    opacity: 0.7;
}

.footer-keywords {
    font-size: 0.8rem;
    margin-top: 1rem;
    opacity: 0.5;
}

/* ================== */
/* DASHBOARD PREVIEW */
/* ================== */
.roi-dashboard-preview {
    background: var(--white);
    border: 4px solid var(--black);
    box-shadow: 12px 12px 0 var(--black);
    padding: 2rem;
    margin: 3rem auto;
    max-width: 1200px;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--black);
    margin-bottom: 2rem;
}

.product-name {
    font-size: 1.5rem;
    font-weight: 900;
}

.cost-badge {
    background: var(--black);
    color: var(--yellow);
    padding: 0.5rem 1rem;
    font-weight: 700;
}

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

.marketplace-card {
    border: 3px solid var(--black);
    padding: 1.5rem;
    position: relative;
}

.marketplace-card.amazon-card {
    background: rgba(255, 153, 0, 0.1);
    box-shadow: 6px 6px 0 var(--amazon);
}

.marketplace-card.walmart-card {
    background: rgba(0, 113, 206, 0.1);
    box-shadow: 6px 6px 0 var(--walmart);
}

.marketplace-card.ebay-card {
    background: rgba(229, 50, 56, 0.1);
    box-shadow: 6px 6px 0 var(--ebay);
}

.marketplace-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.metrics {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.metric {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px dashed var(--black);
}

.metric.highlight {
    background: var(--yellow);
    padding: 0.5rem;
    margin: 0 -0.5rem;
    border: 2px solid var(--black);
}

.metric .label {
    font-weight: 600;
}

.metric .value {
    font-weight: 900;
}

.metric .value.negative {
    color: var(--coral);
}

.metric .value.positive {
    color: var(--mint);
}

.metric .value.roi {
    font-size: 1.3rem;
    color: var(--purple);
}

.winner-badge {
    position: absolute;
    top: -15px;
    right: -15px;
    background: var(--yellow);
    border: 3px solid var(--black);
    padding: 0.5rem 1rem;
    font-weight: 900;
    transform: rotate(-5deg);
    box-shadow: 4px 4px 0 var(--black);
}

/* ================== */
/* LIQUIDATOR SPECIFIC */
/* ================== */
.manifest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.manifest-type {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--white);
    border: 3px solid var(--black);
    box-shadow: 4px 4px 0 var(--black);
    font-weight: 600;
}

.manifest-type .icon {
    font-size: 1.5rem;
}

.valuation-demo {
    background: var(--white);
    border: 4px solid var(--black);
    box-shadow: 12px 12px 0 var(--black);
    padding: 2rem;
    margin: 3rem auto;
    max-width: 1000px;
}

.demo-header {
    display: flex;
    justify-content: space-between;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--black);
    margin-bottom: 2rem;
}

.manifest-name {
    font-weight: 900;
    font-size: 1.3rem;
}

.item-count {
    background: var(--purple);
    color: var(--white);
    padding: 0.3rem 1rem;
    font-weight: 700;
}

.valuation-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.valuation-card {
    text-align: center;
    padding: 1.5rem;
    border: 3px solid var(--black);
    box-shadow: 4px 4px 0 var(--black);
}

.valuation-card h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    opacity: 0.7;
}

.valuation-card .value {
    font-size: 2rem;
    font-weight: 900;
}

.valuation-card .value.negative {
    color: var(--coral);
}

.valuation-card .value.positive {
    color: var(--mint);
}

.valuation-card .value.roi {
    color: var(--purple);
}

.valuation-card .label {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 0.5rem;
}

.valuation-card.highlight {
    background: var(--yellow);
}

.condition-breakdown {
    padding: 1.5rem;
    background: var(--light-gray);
    border: 3px solid var(--black);
}

.condition-bars {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.condition-bar {
    display: grid;
    grid-template-columns: 120px 1fr 60px;
    align-items: center;
    gap: 1rem;
}

.condition-label {
    font-weight: 600;
    font-size: 0.9rem;
}

.bar-container {
    height: 25px;
    background: var(--white);
    border: 2px solid var(--black);
    position: relative;
}

.bar {
    height: 100%;
    transition: width 1s ease;
}

.percentage {
    font-weight: 900;
    text-align: right;
}

/* ================== */
/* BENEFITS SECTION */
/* ================== */
.benefits-section {
    padding: 5rem 2rem;
    background: var(--white);
}

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

.benefit-card {
    text-align: center;
    padding: 2rem;
    background: var(--light-gray);
    border: 4px solid var(--black);
    box-shadow: 6px 6px 0 var(--black);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--black);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

/* ================== */
/* TESTIMONIALS */
/* ================== */
.testimonials-section {
    padding: 5rem 2rem;
    background: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    padding: 2rem;
    background: var(--white);
    border: 4px solid var(--black);
    box-shadow: 6px 6px 0 var(--black);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--black);
}

.testimonial-card .author {
    margin-top: 1rem;
}

.testimonial-card .author strong {
    display: block;
    color: var(--purple);
}

/* ================== */
/* ANIMATIONS */
/* ================== */
@keyframes float {
    0%, 100% { 
        transform: translateY(0) rotate(var(--rotation, 0deg)); 
    }
    50% { 
        transform: translateY(-20px) rotate(calc(var(--rotation, 0deg) + 5deg)); 
    }
}

@keyframes floatShape {
    0%, 100% { 
        transform: translateY(0) rotate(45deg) scale(1); 
    }
    25% { 
        transform: translateY(-50px) rotate(90deg) scale(1.1); 
    }
    50% { 
        transform: translateY(30px) rotate(180deg) scale(0.9); 
    }
    75% { 
        transform: translateY(-20px) rotate(270deg) scale(1.05); 
    }
}

@keyframes floatChaos {
    0%, 100% { 
        transform: translateY(0) rotate(var(--rotation, 0deg)); 
    }
    25% { 
        transform: translateY(-10px) rotate(calc(var(--rotation, 0deg) + 5deg)); 
    }
    50% { 
        transform: translateY(5px) rotate(calc(var(--rotation, 0deg) - 3deg)); 
    }
    75% { 
        transform: translateY(-5px) rotate(calc(var(--rotation, 0deg) + 2deg)); 
    }
}

@keyframes pendulum {
    0%, 100% { transform: rotate(-3deg); }
    50% { transform: rotate(3deg); }
}

@keyframes nodeFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-10px) scale(1.1); }
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translate(0, 0) scale(0);
    }
    20% {
        opacity: 1;
        transform: translate(50px, 50px) scale(1);
    }
    80% {
        opacity: 1;
        transform: translate(calc(var(--end-x) * 1px), calc(var(--end-y) * 1px)) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(calc(var(--end-x) * 1px), calc(var(--end-y) * 1px)) scale(0);
    }
}

@keyframes connectionPulse {
    0%, 100% {
        opacity: 0;
        transform: scaleX(0);
    }
    50% {
        opacity: 1;
        transform: scaleX(1);
    }
}

@keyframes dataFlow {
    0%, 100% {
        opacity: 0;
        transform: scale(0) rotate(0deg);
    }
    50% {
        opacity: 1;
        transform: scale(1) rotate(360deg);
    }
}

@keyframes radarScan {
    0% {
        transform: scale(0);
        opacity: 0.8;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

@keyframes scan-document {
    0% { 
        top: 0;
        opacity: 0;
    }
    5% {
        opacity: 1;
    }
    95% {
        opacity: 1;
    }
    100% { 
        top: 100%;
        opacity: 0;
    }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

@keyframes highlight-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes slide-in-item {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes blink {
    0%, 50%, 100% { opacity: 1; }
    25%, 75% { opacity: 0.3; }
}

@keyframes profit-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes lightning-flash {
    0%, 100% { transform: translateX(-50%) scale(1); }
    50% { transform: translateX(-50%) scale(1.2); }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ================== */
/* MODE SWITCHER */
/* ================== */
.mode-switcher {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 10000;
    background: var(--white);
    border: 4px solid var(--black);
    box-shadow: 6px 6px 0 var(--black);
    padding: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transform: rotate(-1deg);
}

.mode-switcher button {
    padding: 0.8rem 1.5rem;
    border: 3px solid var(--black);
    background: var(--white);
    color: var(--black);
    font-weight: 900;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-switcher button.active {
    background: var(--purple);
    color: var(--white);
    box-shadow: 3px 3px 0 var(--black);
}

.mode-switcher button:hover:not(.active) {
    background: var(--yellow);
    transform: scale(1.05);
}

/* ================== */
/* FLOATING SHAPES */
/* ================== */
.floating-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    border: 4px solid var(--black);
    animation: floatShape 15s ease-in-out infinite;
}

.shape-square {
    width: 150px;
    height: 150px;
    background: var(--yellow);
    transform: rotate(45deg);
    top: 10%;
    left: 5%;
}

.shape-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--mint);
    top: 60%;
    right: 10%;
    animation-delay: 5s;
}

.shape-triangle {
    width: 0;
    height: 0;
    border-left: 75px solid transparent;
    border-right: 75px solid transparent;
    border-bottom: 150px solid var(--coral);
    border: none;
    bottom: 20%;
    left: 50%;
    animation-delay: 10s;
}

/* ================== */
/* CHAOS DOCUMENT ANIMATION */
/* ================== */
.chaos-doc {
    animation: floatChaos 6s ease-in-out infinite;
    transition: transform 0.3s ease;
}

.chaos-doc:nth-child(1) { animation-delay: 0s; }
.chaos-doc:nth-child(2) { animation-delay: 1s; }
.chaos-doc:nth-child(3) { animation-delay: 2s; }
.chaos-doc:nth-child(4) { animation-delay: 3s; }

.chaos-doc:hover {
    transform: scale(1.1) rotate(0deg) !important;
    z-index: 20 !important;
    cursor: pointer;
}

/* ================== */
/* AI ANALYSIS VISUAL */
/* ================== */
.ai-analysis-visual {
    position: relative;
    width: 100%;
    height: 300px;
    background: var(--white);
    border: 4px solid var(--black);
    box-shadow: 12px 12px 0 var(--black);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.marketplace-nodes {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 2rem;
}

.marketplace-node {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.2rem;
    border: 4px solid var(--black);
    z-index: 10;
    position: relative;
    animation: nodeFloat 3s ease-in-out infinite;
    box-shadow: 6px 6px 0 var(--black);
}

.marketplace-node:nth-child(1) {
    background: var(--amazon);
    color: var(--white);
    animation-delay: 0s;
}

.marketplace-node:nth-child(2) {
    background: var(--walmart);
    color: var(--white);
    animation-delay: 1s;
}

.marketplace-node:nth-child(3) {
    background: var(--ebay);
    color: var(--white);
    animation-delay: 2s;
}

.search-particle {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--black);
    animation: particleFloat 4s linear infinite;
}

.connection-line {
    position: absolute;
    height: 3px;
    background: var(--black);
    transform-origin: left center;
    opacity: 0;
    animation: connectionPulse 3s ease-in-out infinite;
}

.data-flow {
    position: absolute;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 8px;
    background: var(--white);
    border: 2px solid var(--black);
    animation: dataFlow 3s ease-in-out infinite;
    z-index: 5;
}

.scan-radar {
    position: absolute;
    width: 300px;
    height: 300px;
    border: 2px solid var(--black);
    border-radius: 50%;
    opacity: 0.2;
    animation: radarScan 4s linear infinite;
    pointer-events: none;
}

/* ================== */
/* DOCUMENT EXTRACTION DEMO */
/* ================== */
.document-extraction-demo {
    display: flex;
    gap: 2rem;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.document-visual {
    position: relative;
    width: 200px;
    height: 250px;
}

.document-page {
    background: var(--white);
    border: 3px solid var(--black);
    padding: 1rem;
    height: 100%;
    box-shadow: 6px 6px 0 var(--black);
}

.document-line {
    height: 24px;
    background: #e0e0e0;
    margin-bottom: 10px;
    position: relative;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.document-line.highlighted {
    background: var(--yellow);
    border: 2px solid var(--black);
    animation: highlight-pulse 2s infinite;
}

.extracted-text {
    font-size: 0.8rem;
    font-weight: 700;
    text-align: center;
    display: block;
}

.ai-scanner {
    position: absolute;
    top: 0;
    left: -10px;
    right: -10px;
    height: 2px;
    background: var(--amazon);
    box-shadow: 0 0 20px var(--amazon), 0 0 40px rgba(255, 153, 0, 0.5);
    animation: scan-document 3s linear infinite;
}

.ai-scanner::after {
    content: 'SCANNING';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: -25px;
    font-size: 0.6rem;
    font-weight: 900;
    color: var(--amazon);
    letter-spacing: 2px;
    animation: blink 1s infinite;
}

/* ================== */
/* RESPONSIVE DESIGN */
/* ================== */
@media (max-width: 768px) {
    .mode-switcher {
        top: auto;
        bottom: 20px;
        right: 20px;
    }
    
    .floating-shape {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .feature-grid,
    .use-case-grid,
    .benefits-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .marketplace-comparison {
        grid-template-columns: 1fr;
    }
    
    .value-props {
        grid-template-columns: 1fr;
    }
}

/* ================== */
/* ACCESSIBILITY */
/* ================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .floating-shape,
    .chaos-doc,
    .search-particle,
    .scan-radar,
    .ai-scanner {
        animation: none !important;
    }
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    padding: 2rem;
    background: var(--white);
    border: 4px solid var(--black);
    box-shadow: 6px 6px 0 var(--black);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.testimonial-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.testimonial-card p {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.author {
    display: block;
    text-align: right;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--black);
}

.author strong {
    display: block;
    font-weight: 900;
}

.author span {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ================== */
/* ANIMATIONS */
/* ================== */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ================== */
/* RESPONSIVE */
/* ================== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .feature-grid,
    .use-case-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .marketplace-comparison {
        grid-template-columns: 1fr;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
    }
    
    .comparison-row .cell {
        border-right: none;
        border-bottom: 2px solid var(--black);
    }
    
    .process-step {
        flex-direction: column;
    }
    
    .cta-benefits {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}