/* ============================================================
   AdvReferenceGen - Landing Page Styles
   ============================================================ */

/* ---- Hero Section ---- */
.hero {
    min-height: 100vh;
    padding: calc(var(--navbar-height) + var(--space-3xl)) 0 var(--space-3xl);
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(97, 218, 251, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    transform: translateY(-50%);
    animation: float 6s ease-in-out infinite;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 16px;
    background: rgba(97, 218, 251, 0.1);
    border: 1px solid rgba(97, 218, 251, 0.2);
    border-radius: var(--radius-full);
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    animation: pulse 3s ease-in-out infinite;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -1px;
}

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

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.trust-item .trust-icon {
    color: var(--success);
    font-size: 1.1rem;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: fadeIn 1s ease 0.3s both;
}

.hero-mockup {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(97, 218, 251, 0.1);
    position: relative;
}

.mockup-header {
    display: flex;
    gap: 6px;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
}

.mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.mockup-dot:nth-child(1) { background: #FF5F57; }
.mockup-dot:nth-child(2) { background: #FFBD2E; }
.mockup-dot:nth-child(3) { background: #28CA41; }

.mockup-row {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.mockup-label {
    width: 120px;
    height: 12px;
    background: var(--bg-elevated);
    border-radius: 4px;
    flex-shrink: 0;
}

.mockup-input {
    flex: 1;
    height: 32px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.mockup-ref {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-input);
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    text-align: center;
}

.mockup-ref-text {
    color: var(--primary);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.1rem;
}

.mockup-btn {
    margin-top: var(--space-md);
    width: 100%;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-on-primary);
    font-weight: 700;
    font-size: 0.9rem;
}

.hero-float-card {
    position: absolute;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    animation: float 4s ease-in-out infinite;
}

.hero-float-card.card-1 {
    top: -20px;
    right: -30px;
    animation-delay: 0.5s;
}

.hero-float-card.card-2 {
    bottom: 30px;
    left: -40px;
    animation-delay: 1s;
}

.float-stat {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.float-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}


/* ---- Section Common ---- */
.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-badge {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(97, 218, 251, 0.1);
    border: 1px solid rgba(97, 218, 251, 0.2);
    border-radius: var(--radius-full);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}


/* ---- Features ---- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    border-color: rgba(97, 218, 251, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(97, 218, 251, 0.1);
    border: 1px solid rgba(97, 218, 251, 0.2);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

.feature-title {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.feature-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}


/* ---- How It Works ---- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0.3;
}

.step-card {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-card);
    border: 2px solid var(--primary);
    border-radius: 50%;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    box-shadow: 0 0 30px rgba(97, 218, 251, 0.2);
}

.step-title {
    font-size: 1.15rem;
    margin-bottom: var(--space-sm);
}

.step-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}


/* ---- Pricing ---- */
.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.pricing-toggle label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
}

.pricing-toggle label.active {
    color: var(--text-bright);
    font-weight: 600;
}

.toggle-switch {
    width: 50px;
    height: 26px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: var(--primary);
    border-radius: 50%;
    transition: transform var(--transition-base);
}

.toggle-switch.yearly::after {
    transform: translateX(24px);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    align-items: start;
}

.pricing-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    position: relative;
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-4px);
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.02);
}

.pricing-card.popular:hover {
    transform: scale(1.02) translateY(-4px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 20px;
    background: var(--gradient-primary);
    color: var(--text-on-primary);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.pricing-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--space-lg);
}

.pricing-price {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.price-amount {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-bright);
    line-height: 1;
}

.price-currency {
    font-size: 1.2rem;
    color: var(--text-muted);
    font-weight: 600;
}

.price-period {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pricing-features .check {
    color: var(--success);
    font-weight: 700;
}

.pricing-features .cross {
    color: var(--text-muted);
    opacity: 0.5;
}


/* ---- Testimonials ---- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.testimonial-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.testimonial-stars {
    color: #FFD700;
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

.testimonial-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-on-primary);
}

.author-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.author-role {
    color: var(--text-muted);
    font-size: 0.8rem;
}


/* ---- FAQ ---- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-sm);
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.faq-item:hover {
    border-color: var(--border-light);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    color: var(--text-bright);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-hover);
}

.faq-arrow {
    color: var(--primary);
    font-size: 1.2rem;
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.open .faq-arrow {
    transform: rotate(180deg);
}

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

.faq-item.open .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}


/* ---- Blog Preview ---- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.blog-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(97, 218, 251, 0.3);
}

.blog-card-image {
    width: 100%;
    height: 180px;
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    border-bottom: 1px solid var(--border);
}

.blog-card-body {
    padding: var(--space-lg);
}

.blog-card-date {
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.blog-card-title {
    font-size: 1.05rem;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.blog-card-excerpt {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.6;
}


/* ---- CTA Section ---- */
.cta-section {
    text-align: center;
    padding: var(--space-4xl) 0;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    pointer-events: none;
}

.cta-box {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-glow);
}

.cta-title {
    font-size: 2.2rem;
    margin-bottom: var(--space-md);
}

.cta-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--space-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}


/* ---- Responsive ---- */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .features-grid,
    .pricing-grid,
    .testimonials-grid,
    .blog-grid,
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card.popular {
        transform: none;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding-top: calc(var(--navbar-height) + var(--space-2xl));
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-trust {
        flex-wrap: wrap;
    }
    
    .features-grid,
    .steps-grid,
    .pricing-grid,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid::before {
        display: none;
    }
    
    .hero-float-card {
        display: none;
    }
    
    .cta-box {
        padding: var(--space-2xl) var(--space-lg);
    }
    
    .cta-title {
        font-size: 1.6rem;
    }
}