/* ========================================
   WORKHORSE AI - Clean Modern Design
   Less "AI", more human & sophisticated
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Warm, natural palette */
    --color-bg: #fafaf9;
    --color-bg-alt: #f5f5f4;
    --color-bg-card: #ffffff;
    
    --color-primary: #18181b;
    --color-accent: #0d9488;
    --color-accent-light: #14b8a6;
    --color-accent-muted: #99f6e4;
    
    --color-text: #18181b;
    --color-text-secondary: #52525b;
    --color-text-muted: #a1a1aa;
    
    --color-border: #e4e4e7;
    --color-border-dark: #d4d4d8;
    
    --color-success: #059669;
    --color-warning: #d97706;
    --color-error: #dc2626;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows - Subtle, natural */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

a {
    color: inherit;
    text-decoration: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Announcement Bar */
.announcement-bar {
    background: var(--color-primary);
    color: white;
    padding: 12px 16px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.announcement-icon {
    font-size: 16px;
}

.announcement-timer {
    background: rgba(255, 255, 255, 0.15);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 250, 249, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.logo-ai {
    color: var(--color-accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    outline: none;
}

.btn-nav {
    background: transparent;
    border: 1px solid var(--color-border-dark);
    color: var(--color-text);
}

.btn-nav:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-text-muted);
}

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

.btn-primary:hover {
    background: #27272a;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-arrow {
    transition: transform var(--transition-fast);
    font-size: 18px;
}

.btn:hover .btn-arrow {
    transform: translateX(3px);
}

/* Hero Section */
.hero {
    padding: 80px 0 100px;
    background: var(--color-bg);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-accent-muted);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    color: var(--color-primary);
}

.highlight {
    color: var(--color-accent);
    text-decoration: underline;
    text-decoration-color: var(--color-accent-muted);
    text-underline-offset: 4px;
    text-decoration-thickness: 3px;
}

.hero-subtitle {
    font-size: 19px;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 480px;
    line-height: 1.7;
}

.hero-form {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.hero-form input {
    flex: 1;
    padding: 16px 20px;
    background: white;
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 16px;
    outline: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.hero-form input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-muted);
}

.hero-form input::placeholder {
    color: var(--color-text-muted);
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trust-avatars {
    display: flex;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 12px;
    color: white;
    border: 2px solid var(--color-bg);
    margin-left: -8px;
}

.avatar:first-child {
    margin-left: 0;
}

.trust-text {
    font-size: 14px;
    color: var(--color-text-secondary);
}

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

.video-placeholder {
    aspect-ratio: 16/10;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.video-placeholder:hover {
    border-color: var(--color-border-dark);
    box-shadow: var(--shadow-lg);
}

.play-button {
    width: 72px;
    height: 72px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: transform var(--transition-base);
}

.play-button svg {
    width: 28px;
    height: 28px;
    margin-left: 3px;
}

.video-placeholder:hover .play-button {
    transform: scale(1.05);
}

.video-duration {
    position: absolute;
    bottom: 16px;
    right: 16px;
    background: var(--color-primary);
    color: white;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
}

.video-caption {
    text-align: center;
    margin-top: 16px;
    color: var(--color-text-muted);
    font-size: 14px;
}

.hero-gradient {
    display: none;
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-title em {
    font-style: normal;
    color: var(--color-accent);
}

.section-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* Problem Section */
.problem-section {
    background: white;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

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

.problem-card {
    padding: 32px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg);
    transition: all var(--transition-base);
}

.problem-card:hover {
    border-color: var(--color-border-dark);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    font-size: 36px;
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.problem-card p {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* Solution Section */
.solution-section {
    background: var(--color-bg);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.feature-card.featured {
    grid-column: span 2;
    background: white;
    border-color: var(--color-accent);
    border-width: 2px;
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

.feature-stat {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-accent);
}

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

/* How It Works */
.how-section {
    background: white;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
}

.step-card {
    flex: 1;
    max-width: 320px;
    padding: 32px;
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-card p {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

.step-connector {
    color: var(--color-border-dark);
    padding-top: 48px;
}

.step-connector svg {
    width: 24px;
    height: 24px;
}

/* Testimonials */
.proof-section {
    background: var(--color-bg);
}

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

.testimonial-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    font-style: italic;
}

.testimonial-content p::before {
    content: '"';
}

.testimonial-content p::after {
    content: '"';
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: white;
}

.author-avatar-img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    font-size: 15px;
    font-weight: 600;
}

.author-info span {
    font-size: 13px;
    color: var(--color-text-muted);
}

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

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-accent);
}

.stat-desc {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* Pricing Section */
.pricing-section {
    background: white;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.pricing-card {
    max-width: 520px;
    margin: 0 auto;
    background: var(--color-bg);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-xl);
    padding: 48px;
    position: relative;
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

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

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

.pricing-header p {
    color: var(--color-text-secondary);
    font-size: 15px;
}

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

.price-old {
    font-size: 18px;
    color: var(--color-text-muted);
    text-decoration: line-through;
    display: block;
    margin-bottom: 4px;
}

.price-current {
    font-size: 28px;
    font-weight: 700;
}

.price-current strong {
    font-size: 56px;
}

.price-period {
    font-size: 18px;
    font-weight: 400;
    color: var(--color-text-secondary);
}

.price-savings {
    display: inline-block;
    background: #dcfce7;
    color: var(--color-success);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    margin-top: 12px;
}

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 15px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features .check {
    color: var(--color-success);
    font-weight: 600;
    font-size: 16px;
}

.pricing-features .gift {
    font-size: 16px;
}

.pricing-features .bonus {
    color: var(--color-warning);
    font-weight: 500;
}

.pricing-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.pricing-form input {
    padding: 16px 20px;
    background: white;
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 16px;
    outline: none;
    transition: all var(--transition-base);
}

.pricing-form input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-muted);
}

.pricing-form input::placeholder {
    color: var(--color-text-muted);
}

.pricing-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.spots-left {
    text-align: center;
}

.spots-bar {
    height: 6px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 12px;
}

.spots-fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

.spots-text {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.spots-text strong {
    color: var(--color-warning);
}

/* FAQ Section */
.faq-section {
    background: var(--color-bg);
}

.faq-grid {
    max-width: 680px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 17px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-base);
}

.faq-question:hover {
    color: var(--color-accent);
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--color-text-muted);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding-bottom: 24px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 15px;
}

/* CTA Section */
.cta-section {
    background: var(--color-primary);
    color: white;
}

.cta-section .section-tag {
    display: none;
}

.cta-content {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 16px;
    color: white;
}

.cta-content > p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    font-size: 18px;
}

.cta-form {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.cta-form input {
    flex: 1;
    padding: 16px 20px;
    background: white;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 16px;
    outline: none;
}

.cta-form input::placeholder {
    color: var(--color-text-muted);
}

.cta-form .btn-primary {
    background: var(--color-accent);
}

.cta-form .btn-primary:hover {
    background: var(--color-accent-light);
}

.cta-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* Footer */
.footer {
    padding: 32px 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
}

.footer-copy {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
}

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

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
    max-width: 400px;
    margin: 24px;
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.modal-content h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.modal-content p {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    font-size: 15px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }
    
    .hero-subtitle {
        margin: 0 auto 40px;
    }
    
    .hero-form {
        flex-direction: column;
        max-width: 400px;
        margin: 0 auto 24px;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 560px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .feature-card.featured {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 38px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .problem-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card.featured {
        grid-column: span 1;
    }
    
    .steps-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .step-connector {
        transform: rotate(90deg);
        padding: 0;
    }
    
    .step-card {
        max-width: 100%;
    }
    
    .cta-form {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    section {
        padding: 64px 0;
    }
    
    .hero {
        padding: 48px 0 64px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .announcement-bar {
        font-size: 13px;
        flex-wrap: wrap;
    }
    
    .pricing-card {
        padding: 32px 24px;
    }
    
    .price-current strong {
        font-size: 48px;
    }
}