/* ===================================
   GaiaSystem Landing Page - PROFESSIONAL PREMIUM
   Estilo: Clean, Moderno, Corporativo (inspirado em Kamino/HubSpot)
   Cor Principal: #512da8 (Deep Purple)
   =================================== */

:root {
    /* Paleta Premium */
    --primary: #512da8;
    --primary-light: #7c4dff;
    --primary-dark: #311b92;
    --secondary: #00bcd4;
    --accent: #ff6b35;
    
    /* Backgrounds Clean */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-light: #fafbfc;
    --bg-purple-light: #f5f3ff;
    
    /* Text Colors */
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    
    /* Gradientes Modernos */
    --gradient-primary: linear-gradient(135deg, #512da8 0%, #7c4dff 100%);
    --gradient-soft: linear-gradient(135deg, #f5f3ff 0%, #ffffff 100%);
    --gradient-hero: linear-gradient(180deg, #fafbfc 0%, #ffffff 100%);
    
    /* Sombras Profissionais */
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 8px rgba(81, 45, 168, 0.08);
    --shadow-md: 0 4px 16px rgba(81, 45, 168, 0.12);
    --shadow-lg: 0 8px 32px rgba(81, 45, 168, 0.16);
    --shadow-xl: 0 16px 48px rgba(81, 45, 168, 0.20);
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transições */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   Reset & Base
   =================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===================================
   Header - Clean & Modern
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
}

.logo i {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

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

.btn-demo-header {
    padding: 0.75rem 1.75rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.btn-demo-header:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===================================
   Hero Section - PREMIUM CLEAN
   =================================== */

.hero {
    padding: 10rem 0 6rem;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

/* Subtle decorative elements */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    opacity: 0.4;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #512da8 0%, transparent 70%);
    top: -300px;
    right: -200px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #00bcd4 0%, transparent 70%);
    bottom: -200px;
    left: -150px;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    color: var(--primary);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(81, 45, 168, 0.1);
}

.badge i {
    font-size: 1rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.125rem 2.25rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-primary.large {
    padding: 1.375rem 3rem;
    font-size: 1.125rem;
}

.btn-primary.full-width {
    width: 100%;
    justify-content: center;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.125rem 2.25rem;
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--bg-purple-light);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.25rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* Hero Image - Professional Mockup */

.hero-image {
    position: relative;
}

.mockup-container {
    position: relative;
    animation: floatGentle 6s ease-in-out infinite;
}

@keyframes floatGentle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.mockup-screen {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.mockup-header {
    background: var(--gradient-primary);
    padding: 1rem;
    display: flex;
    align-items: center;
}

.mockup-dots {
    display: flex;
    gap: 0.5rem;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
}

.mockup-content {
    display: flex;
    min-height: 400px;
}

.mockup-sidebar {
    width: 80px;
    background: var(--bg-secondary);
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    border-right: 1px solid rgba(0, 0, 0, 0.06);
}

.sidebar-item {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-xs);
}

.sidebar-item.active,
.sidebar-item:hover {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.05);
}

.mockup-main {
    flex: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mockup-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.card-header {
    width: 40%;
    height: 12px;
    background: var(--gradient-primary);
    border-radius: 6px;
    margin-bottom: 1rem;
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.card-line {
    height: 8px;
    background: rgba(81, 45, 168, 0.15);
    border-radius: 4px;
}

.card-line.short { width: 60%; }
.card-line.medium { width: 80%; }

/* Floating Info Cards */

.floating-card {
    position: absolute;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    animation: floatCard 4s ease-in-out infinite;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.floating-card i {
    font-size: 1.75rem;
    color: var(--primary);
}

.card-1 {
    top: 10%;
    right: -10%;
}

.card-2 {
    bottom: 10%;
    left: -5%;
    animation-delay: 2s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ===================================
   Problem Section
   =================================== */

.problem-section {
    padding: 6rem 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.problem-card {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

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

.problem-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-purple-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.75rem;
}

.problem-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   Solution Section
   =================================== */

.solution-section {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.feature-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
    border-color: var(--primary);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.feature-list i {
    color: var(--secondary);
    font-size: 0.875rem;
}

/* ===================================
   Benefits Section
   =================================== */

.benefits-section {
    padding: 6rem 0;
    background: white;
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefit-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.benefit-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background: var(--bg-purple-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.75rem;
}

.benefit-text h3 {
    font-size: 1.375rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.benefit-text p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.benefits-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.visual-card {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.visual-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.visual-card:first-child {
    grid-column: span 2;
}

.visual-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.visual-card h4 {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.visual-card p {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

/* ===================================
   FLAI Section - Premium
   =================================== */

.flai-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f5f3ff 0%, #ffffff 100%);
}

.flai-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.flai-logo {
    margin-bottom: 2rem;
}

.flai-icon {
    width: 96px;
    height: 96px;
    background: white;
    border: 3px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-lg);
}

.flai-icon i {
    font-size: 3rem;
    color: var(--primary);
}

.flai-logo h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.flai-description {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 4rem;
    color: var(--text-secondary);
}

.flai-description strong {
    color: var(--primary);
    font-weight: 800;
}

.flai-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.flai-feature {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.flai-feature:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.flai-feature i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.flai-feature h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.flai-feature p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.flai-cta {
    margin-top: 3rem;
}

.flai-cta p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.btn-flai {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.125rem 2.5rem;
    background: white;
    border: 2px solid var(--primary);
    color: var(--primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 700;
    transition: var(--transition);
}

.btn-flai:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   CTA Section
   =================================== */

.cta-section {
    padding: 6rem 0;
    background: var(--gradient-primary);
}

.cta-card {
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

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

.cta-content .btn-primary:hover {
    background: var(--bg-light);
}

.cta-note {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--text-primary);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 1.75rem;
    color: var(--primary-light);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1.125rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer-made {
    margin-top: 0.5rem;
}

.footer-made i {
    color: #ff6b35;
}

.footer-made a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 700;
}

/* ===================================
   Modal
   =================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(10px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideUp 0.3s ease;
    box-shadow: var(--shadow-xl);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    background: var(--bg-light);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
    z-index: 10;
}

.modal-close:hover {
    background: var(--accent);
    color: white;
    transform: rotate(90deg);
}

.modal-header {
    background: var(--bg-purple-light);
    padding: 3rem 2rem 2rem;
    text-align: center;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-header i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.modal-header h2 {
    font-size: 2rem;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.modal-header p {
    color: var(--text-secondary);
}

.demo-form {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
}

.form-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ===================================
   Responsive
   =================================== */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .problems-grid,
    .features-grid,
    .benefits-content,
    .flai-features {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .floating-card {
        display: none;
    }
}

/* ===================================
   Clients Logos Section
   =================================== */

.clients-section {
    padding: 4rem 0;
    background: white;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.clients-title {
    text-align: center;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 3rem;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 2rem;
    align-items: center;
}

.client-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    opacity: 0.6;
    transition: var(--transition);
}

.client-logo:hover {
    opacity: 1;
}

.client-logo i {
    font-size: 2.5rem;
    color: var(--primary);
}

.client-logo span {
    font-weight: 700;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

@media (max-width: 1024px) {
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

/* ===================================
   WhatsApp Floating Button
   =================================== */

.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse-whatsapp 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.6);
}

.whatsapp-float i {
    animation: shake 1s ease-in-out infinite;
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 8px 24px rgba(37, 211, 102, 0.7), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
}

@keyframes shake {
    0%, 100% { transform: rotate(0deg); }
    10%, 30%, 50%, 70%, 90% { transform: rotate(-10deg); }
    20%, 40%, 60%, 80% { transform: rotate(10deg); }
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }
}

/* ===================================
   Testimonials Section
   =================================== */

.testimonials-section {
    padding: 6rem 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
    color: #ffc107;
    font-size: 1.125rem;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
    font-size: 1.05rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 56px;
    height: 56px;
    background: var(--bg-purple-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
}

.author-info h4 {
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.author-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

@media (max-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Video Demo Section
   =================================== */

.video-section {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.video-container {
    max-width: 900px;
    margin: 3rem auto 0;
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.video-placeholder {
    position: relative;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 88px;
    height: 88px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.video-play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: var(--shadow-xl);
}

.video-play-button i {
    margin-left: 4px;
}

/* ===================================
   FAQ Section
   =================================== */

.faq-section {
    padding: 6rem 0;
    background: white;
}

.faq-container {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

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

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
}

.faq-question span {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.faq-icon {
    width: 32px;
    height: 32px;
    background: var(--bg-purple-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 1rem;
    font-size: 0.875rem;
}

.faq-item.active .faq-question {
    background: var(--bg-light);
}

.faq-item.active .faq-icon {
    background: var(--primary);
    color: white;
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

/* ===================================
   Pricing Section
   =================================== */

.pricing-section {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: var(--radius-xl);
    border: 2px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    text-align: center;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.pricing-card.featured {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-color: var(--primary);
    position: relative;
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-8px);
}

.pricing-badge {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.pricing-card h3 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.pricing-card.featured h3 {
    color: white;
}

.pricing-price {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.pricing-card.featured .pricing-price {
    color: white;
}

.pricing-period {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.pricing-card.featured .pricing-period {
    color: rgba(255, 255, 255, 0.9);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2.5rem;
}

.pricing-features li {
    padding: 0.875rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.pricing-card.featured .pricing-features li {
    border-bottom-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.95);
}

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

.pricing-features i {
    color: var(--secondary);
    flex-shrink: 0;
}

.pricing-card.featured .pricing-features i {
    color: white;
}

.pricing-cta {
    width: 100%;
}

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

.pricing-card.featured .btn-primary:hover {
    background: var(--bg-light);
}

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
}

/* ===================================
   Utility Animations
   =================================== */

.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
}

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