/* ==================== CSS Variables ==================== */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --dark-color: #0f172a;
    --dark-secondary: #1e293b;
    --light-color: #f8fafc;
    --white: #ffffff;
    --text-color: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;

    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.16);
    --shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.2);
    --shadow-colored: 0 8px 32px rgba(102, 126, 234, 0.25);

    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 20px;
    --border-radius-sm: 12px;
    --border-radius-lg: 32px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==================== Typography ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-color);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

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

.highlight-text {
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-colored);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::after {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-colored);
    border-color: transparent;
}

.btn-outline-header {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 10px 24px;
}

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

.btn-lg {
    padding: 18px 40px;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* ==================== Header ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 24px;
    max-width: 1280px;
    margin: 0 auto;
}

.logo-img {
    height: 45px;
    width: auto;
    transition: var(--transition);
}

.logo-img:hover {
    transform: scale(1.05);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.nav-btns {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-toggle,
.nav-close {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
    transition: var(--transition);
}

.nav-toggle:hover,
.nav-close:hover {
    color: var(--primary-color);
}

/* ==================== Hero Section ==================== */
.hero {
    padding: 180px 0 120px;
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.03) 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 1200px;
    height: 1200px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 10s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -15%;
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(240, 147, 251, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 12s ease-in-out infinite reverse;
}

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

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.hero-video-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3),
                0 10px 30px rgba(0, 0, 0, 0.15);
    background: var(--dark-color);
    margin-bottom: 3rem;
    transition: var(--transition);
    grid-column: 1 / -1; /* Ocupa todas as colunas do grid */
}

.hero-video-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 80px rgba(102, 126, 234, 0.4),
                0 15px 40px rgba(0, 0, 0, 0.2);
}

.hero-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-lg);
}

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

.hero-stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
}

.stat-item i {
    color: var(--success-color);
    font-size: 1.25rem;
}

.hero-image-wrapper {
    position: relative;
    height: 550px;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-2xl);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: float 4s ease-in-out infinite;
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.floating-card:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: var(--shadow-colored);
}

.floating-card i {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.floating-card span {
    font-weight: 600;
    color: var(--text-color);
}

.card-1 {
    top: 10%;
    left: 0;
    animation-delay: 0s;
}

.card-2 {
    top: 45%;
    right: 5%;
    animation-delay: 1.5s;
}

.card-3 {
    bottom: 10%;
    left: 15%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(2deg); }
}

/* ==================== Benefits Section ==================== */
.benefits {
    padding: 100px 0;
    background: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.benefit-card {
    text-align: center;
    padding: 3rem 2.5rem;
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--shadow-sm);
}

.benefit-card:hover {
    transform: translateY(-12px) scale(1.03);
    background: var(--white);
    box-shadow: var(--shadow-2xl);
    border-color: transparent;
}

.benefit-card:hover .benefit-icon {
    transform: rotate(360deg) scale(1.1);
}

.benefit-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
    box-shadow: var(--shadow-colored);
    transition: var(--transition);
}

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

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

/* ==================== Social Proof Section ==================== */
.social-proof {
    padding: 120px 0;
    background: var(--light-color);
}

.social-proof-header {
    text-align: center;
    margin-bottom: 4rem;
}

.social-proof-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: var(--shadow-colored);
    margin-top: 1rem;
}

.trust-badge i {
    font-size: 1.5rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 2px solid transparent;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-color);
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.author-info h4 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
}

.author-info span {
    color: var(--text-light);
    font-size: 0.9rem;
}

.client-logos {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 2rem;
    align-items: center;
    opacity: 0.6;
}

.logo-placeholder {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.logo-placeholder:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.logo-placeholder span {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.9rem;
}

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

    .client-logos {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
    }
}

@media screen and (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .testimonial-card {
        padding: 2rem;
    }

    .testimonial-content p {
        font-size: 1rem;
    }

    .testimonial-author {
        gap: 1rem;
    }

    .author-avatar {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .author-info h4 {
        font-size: 1rem;
    }

    .author-info span {
        font-size: 0.85rem;
    }

    .trust-badge {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }

    .trust-badge i {
        font-size: 1.25rem;
    }

    .client-logos {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .logo-placeholder {
        padding: 1.5rem;
    }

    .logo-placeholder span {
        font-size: 0.8rem;
    }
}

@media screen and (max-width: 480px) {
    .client-logos {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==================== Section Header ==================== */
.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ==================== Video Section ==================== */
.video-section {
    padding: 100px 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.video-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.video-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 0 24px;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.25),
                0 8px 24px rgba(0, 0, 0, 0.12);
    background: var(--dark-color);
    transition: var(--transition);
}

.video-container:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 80px rgba(102, 126, 234, 0.35),
                0 12px 32px rgba(0, 0, 0, 0.15);
}

.video-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.video-container:hover::before {
    opacity: 0.6;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-lg);
}

/* ==================== Features Section ==================== */
.features {
    padding: 120px 0;
    background: var(--light-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.02) 0%, var(--white) 100%);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
    color: var(--white);
    box-shadow: var(--shadow-colored);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-xl);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==================== Flow Builder Section ==================== */
.flow-builder {
    padding: 120px 0;
    background: var(--white);
}

.flow-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.flow-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.flow-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.flow-visual {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
}

.flow-visual:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3),
                0 10px 30px rgba(0, 0, 0, 0.15);
}

.flow-visual iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-lg);
}

.flow-features {
    margin-bottom: 2.5rem;
}

.flow-feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
    color: var(--text-color);
    font-weight: 500;
}

.flow-feature-item i {
    color: var(--success-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.flow-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-2xl);
    transition: var(--transition);
}

.flow-image:hover {
    transform: scale(1.02);
}

/* ==================== AI Section ==================== */
.ai-section {
    padding: 120px 0;
    background: var(--gradient-dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.ai-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.ai-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.ai-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    color: var(--white);
    letter-spacing: -0.02em;
}

.ai-description {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.ai-unlimited-badge {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(236, 72, 153, 0.2) 100%);
    border: 2px solid rgba(139, 92, 246, 0.4);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(139, 92, 246, 0.3);
    transition: var(--transition);
}

.ai-unlimited-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.4);
}

.unlimited-icon {
    background: var(--gradient-primary);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.unlimited-icon i {
    font-size: 2rem;
    color: var(--white);
}

.unlimited-text {
    flex: 1;
}

.unlimited-text strong {
    font-size: 1.25rem;
    color: var(--white);
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.unlimited-text p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    line-height: 1.5;
}

.ai-features {
    margin-bottom: 2.5rem;
}

.ai-feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
    font-weight: 500;
}

.ai-feature-item i {
    color: var(--success-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.ai-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-mobile-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-2xl);
    transition: var(--transition);
}

.ai-mobile-image:hover {
    transform: scale(1.05) rotate(2deg);
}

/* ==================== Multi-WhatsApp Section ==================== */
.multi-whatsapp {
    padding: 120px 0;
    background: var(--white);
}

.multi-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.whatsapp-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.whatsapp-card {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
    font-size: 1.4rem;
    font-weight: 600;
}

.whatsapp-card:hover {
    transform: translateX(20px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.whatsapp-card i {
    font-size: 3.5rem;
}

.multi-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.multi-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.multi-benefits {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.multi-benefit {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.multi-benefit i {
    font-size: 2.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.multi-benefit h4 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 1.25rem;
}

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

/* ==================== Pricing Section ==================== */
.pricing {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--light-color) 0%, var(--white) 100%);
    position: relative;
}

.connection-controls {
    text-align: center;
    margin-bottom: 3rem;
    padding: 1.5rem 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--light-color);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.connection-controls h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 600;
}

.connection-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.connection-selector button {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary-color);
    background: var(--white);
    color: var(--primary-color);
}

.connection-selector button:hover:not(:disabled) {
    transform: scale(1.1);
    box-shadow: var(--shadow-sm);
}

.connection-selector button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: var(--text-light) !important;
    color: var(--white) !important;
    border-color: var(--text-light) !important;
}

.connection-selector span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 40px;
    text-align: center;
}

.connection-info {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
    font-weight: 500;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: transparent;
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.03) 0%, #ffffff 100%);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-12px);
}

.pricing-card.ai-plan {
    background: linear-gradient(135deg, #faf5ff 0%, #ffffff 100%);
}

.pricing-badge {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.6rem 2rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.ai-badge {
    background: var(--gradient-secondary);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--light-color);
}

.pricing-header h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 700;
}

.plan-benefit {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    font-weight: 500;
    line-height: 1.4;
}

.pricing-price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin-top: 0.75rem;
}

.amount {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.period {
    font-size: 1.125rem;
    color: var(--text-light);
    align-self: flex-end;
    margin-bottom: 1rem;
    font-weight: 500;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2.5rem;
    flex-grow: 1;
}

.pricing-features li {
    padding: 1rem 0;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    font-size: 0.95rem;
    color: var(--text-color);
    border-bottom: 1px solid var(--light-color);
}

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

.pricing-features i {
    color: var(--success-color);
    margin-top: 0.25rem;
    flex-shrink: 0;
    font-size: 1.125rem;
}

.pricing-features strong {
    color: var(--primary-color);
    font-weight: 700;
}

.pricing-btn {
    margin-top: auto;
    font-weight: 700;
    font-size: 1.05rem;
}

/* ==================== Integrations Section ==================== */
.integrations {
    padding: 120px 0;
    background: var(--white);
}

.integrations-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.integration-item {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--light-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.integration-item:hover {
    transform: translateY(-10px) scale(1.03);
    background: var(--white);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.integration-item:hover i {
    transform: scale(1.2);
}

.integration-item i {
    font-size: 3.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.integration-item h4 {
    margin-bottom: 0.75rem;
    color: var(--text-color);
    font-size: 1.25rem;
}

.integration-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==================== FAQ Section ==================== */
.faq {
    padding: 120px 0;
    background: var(--light-color);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    margin-bottom: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 2px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.faq-item.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-colored);
}

.faq-question {
    padding: 2rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

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

.faq-question h4 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.125rem;
    font-weight: 600;
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
    font-size: 1.25rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
    max-height: 600px;
}

.faq-answer p {
    padding: 0 2.5rem 2rem;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
}

/* ==================== CTA Section ==================== */
.cta {
    padding: 120px 0;
    background: var(--gradient-hero);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: gradient 15s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
    color: var(--white);
    letter-spacing: -0.02em;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    color: var(--white);
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

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

.cta .btn-outline {
    color: var(--white);
    border-color: var(--white);
}

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

/* ==================== Footer ==================== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 45px;
    margin-bottom: 1.5rem;
}

.footer-section p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
    font-size: 1.125rem;
}

.footer-social a:hover {
    background: var(--gradient-primary);
    transform: translateY(-5px);
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: var(--white);
}

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

.footer-section ul li {
    margin-bottom: 1rem;
}

.footer-section ul li a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-section ul li a:hover {
    color: var(--white);
    padding-left: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
}

/* ==================== Responsive Design ==================== */
@media screen and (max-width: 1200px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 900px;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
}

@media screen and (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hero-container,
    .ai-content,
    .multi-content,
    .flow-content {
        gap: 3rem;
    }
}

@media screen and (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .container {
        padding: 0 20px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-2xl);
        padding: 5rem 2rem;
        transition: var(--transition);
        z-index: 100;
    }
    
    .nav-menu.show {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 2rem;
        align-items: flex-start;
    }
    
    .nav-close,
    .nav-toggle {
        display: block;
    }
    
    .nav-btns .btn {
        display: none;
    }
    
    .nav-mobile-btns {
        display: flex !important;
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem 0;
        border-top: 1px solid var(--light-color);
        margin-top: 1.5rem;
        width: 100%;
    }

    .nav-mobile-btns .btn {
        display: block !important;
        width: 100% !important;
        text-align: center;
        padding: 14px 24px;
        font-size: 1rem;
    }

    .btn-outline-header-mobile {
        background: transparent !important;
        color: var(--primary-color) !important;
        border: 2px solid var(--primary-color) !important;
    }

    .btn-outline-header-mobile:hover {
        background: var(--primary-color) !important;
        color: var(--white) !important;
    }

    .btn-primary-mobile {
        background: var(--gradient-primary) !important;
        color: var(--white) !important;
        border: 2px solid transparent !important;
    }
    
    .nav-close {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image-wrapper {
        display: none;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .ai-content,
    .multi-content,
    .flow-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .flow-image,
    .ai-mobile-image {
        max-width: 100%;
        margin: 0 auto;
    }

    .ai-unlimited-badge {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 1.25rem;
    }

    .unlimited-text strong {
        font-size: 1.1rem;
    }

    .unlimited-text p {
        font-size: 0.9rem;
    }

    .video-section {
        padding: 60px 0;
    }

    .video-wrapper {
        padding: 0 20px;
        max-width: 100%;
    }

    .video-container {
        border-radius: var(--border-radius);
        box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2),
                    0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .video-container:hover {
        transform: translateY(-2px);
    }

    .whatsapp-cards {
        max-width: 450px;
        margin: 0 auto;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .connection-controls {
        margin-bottom: 3rem;
        padding: 2rem;
    }

    .connection-controls h3 {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .connection-selector {
        gap: 1rem;
    }

    .connection-selector button {
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }

    .connection-selector span {
        font-size: 1.75rem;
        min-width: 50px;
    }

    .connection-info {
        font-size: 0.9rem;
    }
    
    .integrations-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content p {
        font-size: 1.125rem;
    }
}

@media screen and (min-width: 769px) {
    .nav-mobile-btns {
        display: none !important;
    }

    li.nav-mobile-btns {
        display: none !important;
    }
}

@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .integrations-content {
        grid-template-columns: 1fr;
    }
    
    .btn-lg {
        padding: 16px 32px;
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

/* ==================== Animations ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.slide-in-left {
    animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.slide-in-right {
    animation: slideInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ==================== Utility Classes ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* ==================== WhatsApp Floating Button ==================== */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4),
                0 2px 6px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    animation: whatsapp-pulse 2s ease-in-out infinite;
}

.whatsapp-float.move-up {
    bottom: 90px;
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.6),
                0 4px 12px rgba(0, 0, 0, 0.3);
    background: #128C7E;
}

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

@keyframes whatsapp-pulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4),
                    0 2px 6px rgba(0, 0, 0, 0.2),
                    0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4),
                    0 2px 6px rgba(0, 0, 0, 0.2),
                    0 0 0 15px rgba(37, 211, 102, 0);
    }
}

@keyframes whatsapp-icon-shake {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(-10deg); }
    20%, 40% { transform: rotate(10deg); }
}

@media screen and (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
        font-size: 1.75rem;
    }

    .whatsapp-float.move-up {
        bottom: 80px;
    }
}

/* ==================== Back to Top Button ==================== */
.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

@media screen and (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* ==================== Loading State ==================== */
body.loaded {
    animation: fadeIn 0.5s ease-out;
}

/* ==================== Scroll Animations ==================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}