/* Base Styles */
:root {
    --primary: #6d28d9;
    --primary-light: #8b5cf6;
    --primary-dark: #5b21b6;
    --secondary: #3b82f6;
    --secondary-light: #60a5fa;
    --secondary-dark: #2563eb;
    --accent: #ec4899;
    --accent-light: #f472b6;
    --accent-dark: #db2777;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --black: #000000;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Utility Classes */
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }

.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.mr-4 { margin-right: 1rem; }

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

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.relative { position: relative; }
.absolute { position: absolute; }

.rounded-sm { border-radius: 0.125rem; }
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-full { border-radius: 9999px; }

.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes stagger {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.5s ease-out forwards;
}

.animate-fadeInUp {
    animation: fadeInUp 0.5s ease-out forwards;
}

.stagger > * {
    animation: stagger 0.3s ease-out forwards;
    opacity: 0;
}

.stagger > *:nth-child(1) { animation-delay: 0.1s; }
.stagger > *:nth-child(2) { animation-delay: 0.2s; }
.stagger > *:nth-child(3) { animation-delay: 0.3s; }
.stagger > *:nth-child(4) { animation-delay: 0.4s; }
.stagger > *:nth-child(5) { animation-delay: 0.5s; }

/* Hero Section */
.hero-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f3e8ff 0%, #ffffff 50%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero-section {
        position: relative;
    padding: 4rem 0;
    background: linear-gradient(135deg, #ecfdf5, white, #e0e7ff);
    overflow: hidden;
    }
}

.hero-content {
    max-width: 48rem;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 10;
}

.back-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
}

.gradient-text {
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    background-image: linear-gradient(to right, var(--primary), var(--accent), var(--secondary));
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-800);
    margin-bottom: 2rem;
    font-weight: 500;
}

.highlight {
    color: var(--primary);
    font-weight: 600;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
}

@media (min-width: 640px) {
    .cta-buttons {
        flex-direction: row;
    }
}

.primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 1.125rem;
    color: white;
    background: linear-gradient(to right, var(--secondary), var(--primary-light));
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.3s;
    text-decoration: none;
    border: none;
    cursor: pointer;
    overflow: hidden;
}

.primary-btn:hover {
    background: linear-gradient(to right, var(--secondary-dark), var(--primary-dark));
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 1.25rem 2.5rem;
    border-radius: 9999px;
    font-weight: 700;
    color: white;
    background-color: #25D366;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.3s;
    text-decoration: none;
    border: none;
    cursor: pointer;
    overflow: hidden;
}

.whatsapp-btn:hover {
    background-color: #128C7E;
    transform: translateY(-1px);
}

.whatsapp-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.small-text {
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0.9;
}

.underline-text {
    border-bottom: 2px solid white;
    padding-bottom: 0.125rem;
    font-size: 1.25rem;
}

.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.05;
}

.bg-circle-1 {
    top: -2.5rem;
    right: -2.5rem;
    width: 16rem;
    height: 16rem;
    background-color: var(--primary);
}

.bg-circle-2 {
    top: 33%;
    left: 2.5rem;
    width: 12rem;
    height: 12rem;
    background-color: var(--secondary);
}

.bg-circle-3 {
    bottom: 2.5rem;
    right: 5rem;
    width: 18rem;
    height: 18rem;
    background-color: var(--primary);
}

/* Service Section */
.service-section {
    padding: 3rem 0;
    background-color: var(--white);
}

@media (min-width: 768px) {
    .service-section {
        padding: 5rem 0;
    }
}

.service-header {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.service-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.service-title {
    font-size: 1.875rem;
    font-weight: 700;
}

.service-description {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: 2rem;
    font-weight: 500;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #f5f3ff 100%);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid #e9d5ff;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: white;
    font-size: 1.25rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.feature-card:nth-child(1) .feature-icon {
    background: linear-gradient(to right, #10b981, #059669);
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(to right, #3b82f6, #2563eb);
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(to right, #8b5cf6, #7c3aed);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.feature-description {
    color: var(--gray-700);
}

.bold {
    font-weight: 600;
}

.warning-note {
    background-color: #fef9c3;
    border: 1px solid #fef08a;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-start;
}

.warning-icon {
    color: #d97706;
    font-size: 1.25rem;
    margin-top: 0.25rem;
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.warning-content h4 {
    font-weight: 600;
    color: #92400e;
    margin-bottom: 0.5rem;
}

.warning-content p {
    color: #92400e;
}

/* Platform Section */
.platform-section {
    padding: 4rem 0;
    background: linear-gradient(to bottom, var(--white) 0%, #f5f3ff 100%);
}

.section-header {
    max-width: 48rem;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.section-title {
    font-size: 1.875rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-description {
    color: var(--gray-600);
    font-weight: 500;
}

.tabs-container {
    max-width: 56rem;
    margin: 0 auto;
}

.tabs-header {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.25rem;
    background-color: #e0e7ff;
    padding: 0.25rem;
    border-radius: 9999px;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .tabs-header {
        grid-template-columns: repeat(4, 1fr);
    }
}

.tab-btn {
    padding: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    border: 1px solid transparent;
    transition: all 0.3s;
    cursor: pointer;
    background-color: transparent;
    color: var(--gray-600);
}

.tab-btn.active {
    background-color: var(--secondary);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transform: scale(1.05);
    border-color: var(--secondary-dark);
}

.tabs-content {
    position: relative;
}

.tab-pane {
    display: none;
    background-color: var(--white);
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    overflow: hidden;
    animation: fadeIn 0.5s ease-out;
}

.tab-pane.active {
    display: block;
}

.platform-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1.5rem 1.5rem 0;
}

@media (min-width: 768px) {
    .platform-header {
        padding: 2rem 2rem 0;
    }
}

.platform-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.25rem;
}

.instagram-icon {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.facebook-icon {
    background-color: #1877f2;
}

.twitter-icon {
    background-color: #1da1f2;
}

.other-icon {
    background-color: var(--primary-light);
}

.platform-description {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    padding: 0 1.5rem;
}

@media (min-width: 768px) {
    .platform-description {
        padding: 0 2rem;
    }
}

.process-steps {
    margin-bottom: 2rem;
    padding: 0 1.5rem;
}

@media (min-width: 768px) {
    .process-steps {
        padding: 0 2rem;
    }
}

.process-steps h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.process-steps ol {
    list-style: none;
}

.process-steps li {
    display: flex;
    margin-bottom: 1rem;
}

.step-number {
    width: 1.5rem;
    height: 1.5rem;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    flex-shrink: 0;
    font-size: 0.875rem;
    font-weight: 600;
}

.common-issues {
    background-color: var(--gray-50);
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
}

.common-issues h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.common-issues ul {
    list-style: none;
}

.common-issues li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.common-issues i {
    color: var(--primary);
    margin-right: 0.75rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.cta-center {
    display: flex;
    justify-content: center;
    padding: 0 1.5rem 1.5rem;
}

@media (min-width: 768px) {
    .cta-center {
        padding: 0 2rem 2rem;
    }
}

.feature-list {
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    margin-bottom: 1rem;
}

.feature-item .feature-icon {
    width: 2rem;
    height: 2rem;
    background-color: #dbeafe;
    color: var(--secondary);
    font-size: 1rem;
    margin-right: 0.75rem;
    margin-bottom: 0;
}

.feature-item h5 {
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.feature-item p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.success-rate {
    background-color: #dbeafe;
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    color: #1e40af;
}

.success-rate h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.success-rate p {
    margin-bottom: 1rem;
}

.two-column-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .two-column-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.column {
    background-color: var(--gray-50);
    padding: 1.5rem;
    border-radius: 0.75rem;
}

.column h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.column ul {
    list-style: none;
}

.column li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.column i {
    color: var(--primary);
    margin-right: 0.75rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.process-info {
    background-color: var(--gray-50);
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
}

.process-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.process-info p {
    margin-bottom: 1rem;
}

.three-column-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .three-column-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.three-column-grid .column {
    padding: 1rem;
}

.three-column-grid h5 {
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.three-column-grid ul {
    list-style: none;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.three-column-grid li {
    margin-bottom: 0.25rem;
}

/* Testimonials Section */
.testimonials-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 72rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background-color: var(--gray-50);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--gray-100);
    transition: transform 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.rating {
    color: #f59e0b;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--gray-600);
    font-style: italic;
    margin-bottom: 1.5rem;
}

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

.author-avatar {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--gray-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    color: var(--gray-600);
    overflow: hidden;
}

.testimonial-author h4 {
    font-weight: 500;
    color: var(--gray-900);
}

.testimonial-author p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* CTA Section */
.cta-section {
    padding: 4rem 0;
    background-color: rgba(109, 40, 217, 0.05);
}

.cta-content {
    max-width: 56rem;
    margin: 0 auto;
    text-align: center;
}

.cta-content h2 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    color: var(--secondary);
    background-color: var(--white);
    border: 1px solid var(--secondary);
    transition: all 0.3s;
    text-decoration: none;
    cursor: pointer;
}

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

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    z-index: 50;
    transition: all 0.3s;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

/* Responsive Adjustments */
@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .service-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .platform-header h3 {
        font-size: 1.5rem;
    }
    
    .primary-btn, .whatsapp-btn {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .whatsapp-text {
        display: none;
    }
    
    .whatsapp-btn i {
        font-size: 1.25rem;
    }
}