* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors - Vibrant Blue to Purple */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #7c3aed;
    --accent-color: #f59e0b;
    --accent-orange: #fb923c;
    --success-color: #059669;
    --success-light: #10b981;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --info-color: #0284c7;
    
    /* Background Colors - High Contrast */
    --bg-primary: #ffffff;
    --bg-secondary: #f1f5f9;
    --bg-tertiary: #e2e8f0;
    --bg-card: #ffffff;
    --bg-hover: #f8fafc;
    
    /* Text Colors - High Contrast for Readability */
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    /* Border Colors */
    --border-color: #cbd5e1;
    --border-light: #e2e8f0;
    --border-dark: #94a3b8;
    
    /* Shadows - Enhanced Depth */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-colored: 0 10px 25px -5px rgba(37, 99, 235, 0.4);
    
    /* Gradients - Vibrant and High Contrast */
    --gradient-1: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #ec4899 100%);
    --gradient-2: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-3: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-4: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-success: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #fb923c 100%);
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 1.25rem 2rem;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

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

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

/* Auth Buttons */
.nav-auth {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.auth-buttons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-dark);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* User Menu */
.user-menu {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-name {
    padding: 0.75rem 1.25rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-name::after {
    content: '▼';
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: transform 0.3s;
}

.user-menu:hover .user-name::after {
    transform: rotate(180deg);
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    z-index: 1000;
    overflow: hidden;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: 0.95rem;
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.dropdown-item i {
    width: 20px;
    text-align: center;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
    position: relative;
    overflow: hidden;
    font-weight: 700;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
}

/* Section 1: Big Slider */
.hero-slider {
    margin-top: 80px;
    height: 85vh;
    position: relative;
    overflow: hidden;
    border-radius: 0 0 30px 30px;
    box-shadow: var(--shadow-xl);
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slider-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: var(--dark-bg);
}

.slider-slide.active {
    opacity: 1;
}

.slider-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.3), transparent);
    padding: 4rem 2rem;
    color: white;
}

.slider-content {
    max-width: 1200px;
    margin: 0 auto;
}

.slider-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
}

.slider-date {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 1rem;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.slider-type {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gradient-primary);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.slider-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.2);
}

.slider-dot.active {
    background: white;
    width: 35px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.6);
}

/* Content Sections */
.section {
    padding: 5rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    opacity: 0.3;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
    text-align: center;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Content Slider */
.content-slider {
    position: relative;
    overflow: hidden;
}

.content-slider-container {
    display: flex;
    transition: transform 0.5s ease;
    gap: 1.5rem;
    will-change: transform;
}

.content-item {
    min-width: calc(20% - 1.2rem);
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.content-item:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.content-item img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    background: var(--bg-secondary);
    display: block;
    min-height: 320px;
    transition: transform 0.4s ease;
}

.content-item:hover img {
    transform: scale(1.1);
}

.content-item img[src=""],
.content-item img:not([src]) {
    background: linear-gradient(135deg, var(--dark-card) 0%, var(--dark-bg) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-item-info {
    padding: 1.25rem;
    background: var(--bg-card);
}

.content-item-title {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 600;
    color: var(--text-primary);
}

.content-item-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--border-color);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-nav:hover {
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
    transform: translateY(-50%) scale(1.15);
    box-shadow: var(--shadow-xl);
}

.slider-nav.prev {
    left: 10px;
}

.slider-nav.next {
    right: 10px;
}

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

.pricing-card {
    background: var(--bg-card);
    padding: 3rem 2.5rem;
    border-radius: 24px;
    border: 2px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.pricing-card:hover::before {
    transform: scaleX(1);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-width: 3px;
}

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

.pricing-card:hover {
    transform: translateY(-12px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
    background: var(--bg-card);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-12px);
}

.plan-name {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.plan-price {
    font-size: 3rem;
    font-weight: bold;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.plan-features {
    list-style: none;
    margin: 1.5rem 0;
}

.plan-features li {
    padding: 0.75rem 0;
    color: var(--text-primary);
    font-weight: 600;
    transition: color 0.3s;
    font-size: 1rem;
}

.plan-features li:hover {
    color: var(--primary-color);
}

.plan-features li::before {
    content: '✓';
    color: var(--success-color);
    margin-right: 0.75rem;
    font-weight: bold;
    font-size: 1.1em;
}

/* Newsletter */
.newsletter {
    background: var(--gradient-primary);
    padding: 5rem 3rem;
    border-radius: 30px;
    text-align: center;
    margin: 5rem 0;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.4);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.newsletter h2,
.newsletter p {
    color: var(--text-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    font-weight: 600;
}

.newsletter::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 2rem auto;
    flex-wrap: wrap;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-primary);
    font-size: 1rem;
    backdrop-filter: blur(10px);
}

.newsletter-form input::placeholder {
    color: var(--text-secondary);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Contact Section */
.contact-section {
    background: var(--bg-card);
    padding: 4rem 3rem;
    border-radius: 30px;
    margin: 4rem 0;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

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

.whatsapp-contact {
    text-align: center;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: #25D366;
    color: white;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin-top: 1rem;
}

.whatsapp-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

.payment-methods {
    text-align: center;
}

.payment-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.payment-icon {
    width: 70px;
    height: 70px;
    background: var(--bg-secondary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.payment-icon:hover {
    transform: translateY(-8px) scale(1.1);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    background: white;
}

.payment-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
}

/* Footer */
footer {
    background: var(--bg-primary);
    padding: 4rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 5rem;
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.05);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

/* Loading Animation */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Payment Modal */
.payment-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.payment-modal-content {
    background: var(--bg-card);
    border-radius: 20px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s ease;
}

.payment-modal.active .payment-modal-content {
    transform: scale(1) translateY(0);
}

.payment-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.payment-modal-header h2 {
    margin: 0;
    font-size: 1.75rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.payment-modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.3s;
}

.payment-modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.payment-modal-body {
    padding: 2rem;
}

.plan-summary {
    text-align: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 2rem;
}

.plan-summary h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.plan-price-large {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.payment-methods-selection h4 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.payment-methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.payment-method-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-method-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    background: white;
}

.payment-method-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.payment-method-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.payment-method-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.payment-info-box {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.payment-info-box strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.5rem;
}

/* Smooth Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeInUp 0.6s ease-out;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
}

.whatsapp-float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--text-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: var(--text-primary);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

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

/* Sales Notifications */
.sales-notifications {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 9998;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 350px;
    pointer-events: none;
}

.sales-notification {
    background: white;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-left: 4px solid var(--success-color);
    animation: slideInRight 0.5s ease-out, fadeOut 0.5s ease-out 4.5s forwards;
    pointer-events: auto;
    position: relative;
    overflow: hidden;
}

.sales-notification::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--success-color);
    animation: progressBar 5s linear forwards;
}

@keyframes progressBar {
    from {
        width: 4px;
    }
    to {
        width: 100%;
        opacity: 0.1;
    }
}

.sales-notification-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.sales-notification-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.sales-notification-content {
    flex: 1;
}

.sales-notification-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.sales-notification-text {
    color: var(--text-secondary);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
    line-height: 1.4;
}

.sales-notification-time {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 0.5rem;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(400px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-slider {
        height: 60vh;
        border-radius: 0 0 20px 20px;
    }

    .slider-title {
        font-size: 2rem;
    }

    .content-item {
        min-width: calc(50% - 0.75rem);
    }

    .nav-links {
        display: none;
    }

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

    .section {
        padding: 3rem 1.5rem;
    }

    .newsletter {
        padding: 3rem 2rem;
    }

    .auth-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }

    .whatsapp-float {
        bottom: 15px;
        right: 15px;
    }

    .whatsapp-float-btn {
        width: 55px;
        height: 55px;
        font-size: 1.75rem;
    }

    .whatsapp-tooltip {
        display: none;
    }

    .sales-notifications {
        right: 10px;
        top: 80px;
        max-width: calc(100% - 20px);
    }

    .sales-notification {
        padding: 0.875rem 1rem;
    }

    .auth-buttons .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

    .user-name {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

    .user-dropdown {
        right: -10px;
        min-width: 180px;
    }
}