:root {
    --color-bg: #0a0a0a;
    --color-bg-elevated: #141414;
    --color-surface: #1a1a1a;
    --color-primary: #00ff88;
    --color-primary-dark: #00cc6a;
    --color-primary-rgb: 0, 255, 136;
    --color-secondary: #8a2be2;
    --color-accent: #00d4ff;
    --color-text: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-border: #2a2a2a;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --border-radius: 16px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --glow: 0 0 20px rgba(var(--color-primary-rgb), 0.4);
}

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

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

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 255, 136, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(138, 43, 226, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-lg) 0 var(--spacing-2xl) 0;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(138, 43, 226, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 40%),
        linear-gradient(180deg, var(--color-bg) 0%, #0f0f0f 100%);
    pointer-events: none;
    z-index: 0;
    animation: gradientPulse 8s ease-in-out infinite;
}

@keyframes gradientPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

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

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

.hero-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0 var(--spacing-lg) 0;
}

.hero-card {
    background: rgba(26, 26, 26, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: var(--spacing-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(var(--color-primary-rgb), 0.5), transparent);
    opacity: 0;
    transition: var(--transition);
}

.hero-card:hover {
    border-color: rgba(var(--color-primary-rgb), 0.4);
    transform: translateY(-4px);
    background: rgba(26, 26, 26, 0.7);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(var(--color-primary-rgb), 0.15);
}

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

.hero-card-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.15), rgba(0, 212, 255, 0.1));
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
    border-radius: 10px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(var(--color-primary-rgb), 0.2);
}

.hero-card:hover .hero-card-icon {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.25), rgba(0, 212, 255, 0.2));
    border-color: var(--color-primary);
    box-shadow: 
        0 6px 20px rgba(var(--color-primary-rgb), 0.4),
        0 0 30px rgba(var(--color-primary-rgb), 0.3);
    transform: scale(1.1);
}

.hero-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

.hero-card p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.logo {
    height: 70px;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease-out;
    filter: drop-shadow(0 0 20px rgba(var(--color-primary-rgb), 0.6));
    transition: var(--transition);
}

.logo:hover {
    filter: drop-shadow(0 0 30px rgba(var(--color-primary-rgb), 0.9));
    transform: scale(1.05);
}

.headline {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, var(--color-primary) 50%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
    background-size: 200% 200%;
}

.hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    background: rgba(0, 255, 136, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    box-shadow: 
        0 4px 20px rgba(var(--color-primary-rgb), 0.2),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.tagline-icon {
    font-size: 1.3rem;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 1; }
    50% { transform: scale(1.2) rotate(180deg); opacity: 0.8; }
}

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

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

.subheadline {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    font-weight: 400;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--color-primary), #00cc6a);
    color: var(--color-bg);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 4px 20px rgba(var(--color-primary-rgb), 0.3),
        inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

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

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

.btn-primary:hover {
    background: linear-gradient(135deg, #00ff88, var(--color-accent));
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(var(--color-primary-rgb), 0.5),
        0 0 60px rgba(var(--color-primary-rgb), 0.3),
        inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

.btn-primary svg {
    transition: transform 0.3s ease;
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* WhatsApp Mockup */
.hero-visual {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.whatsapp-mockup {
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(var(--color-primary-rgb), 0.1),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
}

.whatsapp-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.whatsapp-mockup:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(var(--color-primary-rgb), 0.3);
    box-shadow: 
        0 40px 100px rgba(0, 0, 0, 0.7),
        0 0 60px rgba(var(--color-primary-rgb), 0.2),
        0 0 0 1px rgba(var(--color-primary-rgb), 0.3),
        inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}

.mockup-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: contain;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(0, 212, 255, 0.15));
    padding: 6px;
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
}

.mockup-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.mockup-status {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.mockup-messages {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-height: 400px;
}

.message {
    display: flex;
    animation: messageSlide 0.4s ease-out;
}

.message.sent {
    justify-content: flex-end;
}

.bubble {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.message.received .bubble {
    background: var(--color-bg-elevated);
    border-bottom-left-radius: 4px;
}

.message.sent .bubble {
    background: linear-gradient(135deg, #1a4d2e, #2d7a4f);
    border-bottom-right-radius: 4px;
}

.message.sent.highlight-message .bubble {
    background: linear-gradient(135deg, var(--color-primary), #00cc6a);
    color: var(--color-bg);
    font-weight: 500;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-3xl);
}

/* Exemplos Section */
.exemplos {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
    position: relative;
}

/* Tabs Navigation */
.tabs-navigation {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--spacing-md);
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-md);
    background: rgba(26, 26, 26, 0.4);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow-x: auto;
    scrollbar-width: none;
    position: relative;
    justify-content: center;
}

.tabs-navigation::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, transparent, rgba(var(--color-primary-rgb), 0.2), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: gradientShift 3s ease infinite;
}

.tabs-navigation::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    flex: 1;
    min-width: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    padding: var(--spacing-lg) var(--spacing-md);
    background: rgba(20, 20, 20, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(var(--color-primary-rgb), 0.15), transparent);
    transition: left 0.6s ease;
}

.tab-btn::after {
    content: 'CLIQUE AQUI';
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

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

.tab-btn:hover::after {
    opacity: 0.6;
    transform: scale(1);
}

.tab-btn:hover {
    background: rgba(30, 30, 30, 0.8);
    border-color: rgba(var(--color-primary-rgb), 0.4);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 8px 30px rgba(var(--color-primary-rgb), 0.2),
        0 0 20px rgba(var(--color-primary-rgb), 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.tab-btn.active {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.15), rgba(0, 212, 255, 0.1));
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 
        0 8px 32px rgba(var(--color-primary-rgb), 0.3),
        0 0 40px rgba(var(--color-primary-rgb), 0.2),
        inset 0 1px 1px rgba(255, 255, 255, 0.2),
        inset 0 -1px 1px rgba(0, 0, 0, 0.2);
}

.tab-btn.active::after {
    content: 'ATIVO';
    opacity: 1;
    transform: scale(1);
    color: var(--color-primary);
}

.tab-icon {
    width: 32px;
    height: 32px;
    color: var(--color-text-secondary);
    transition: all 0.4s ease;
    filter: drop-shadow(0 0 0 transparent);
}

.tab-icon svg {
    width: 100%;
    height: 100%;
}

.tab-btn:hover .tab-icon {
    color: var(--color-primary);
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 0 8px rgba(var(--color-primary-rgb), 0.4));
}

.tab-btn.active .tab-icon {
    color: var(--color-primary);
    transform: scale(1.15);
    filter: drop-shadow(0 0 12px rgba(var(--color-primary-rgb), 0.6));
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1.15); }
    50% { transform: scale(1.25); }
}

.tab-label {
    font-size: 0.85rem;
    text-align: center;
    transition: all 0.3s ease;
}

.tab-btn:hover .tab-label {
    color: var(--color-primary);
    transform: scale(1.05);
}

.tab-btn.active .tab-label {
    color: var(--color-primary);
    font-weight: 600;
}

.tab-indicator {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    border-radius: 10px 10px 0 0;
    transition: transform 0.4s ease;
    box-shadow: 0 -2px 10px rgba(var(--color-primary-rgb), 0.5);
}

.tab-btn.active .tab-indicator {
    transform: translateX(-50%) scaleX(1);
}

/* Tabs Content */
.tabs-content {
    margin-top: var(--spacing-2xl);
}

.tab-panel {
    display: none;
    animation: fadeInUp 0.5s ease-out;
}

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

.tab-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.tab-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.tab-badge {
    display: inline-block;
    width: fit-content;
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-primary);
}

.tab-title {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.tab-description {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

.tab-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tab-features li {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-left: var(--spacing-sm);
}

.tab-mockup {
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* Phone Mockup Large (for tabs) */
.phone-mockup-large {
    width: 100%;
    max-width: 400px;
}

.phone-screen-large {
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(var(--color-primary-rgb), 0.1),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
}

.phone-screen-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.phone-mockup-large:hover .phone-screen-large {
    transform: translateY(-8px);
    border-color: rgba(var(--color-primary-rgb), 0.3);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.6),
        0 0 40px rgba(var(--color-primary-rgb), 0.2),
        0 0 0 1px rgba(var(--color-primary-rgb), 0.3);
}

.phone-header-large {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: var(--spacing-md);
    background: rgba(18, 18, 18, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.phone-avatar-large {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    flex-shrink: 0;
}

.phone-info-large {
    flex: 1;
}

.phone-name-large {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.phone-status-large {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.phone-messages-large {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: var(--spacing-md);
    min-height: 400px;
    background: rgba(10, 10, 10, 0.8);
}

.phone-msg-large {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 14px;
    font-size: 0.9rem;
    line-height: 1.5;
    animation: messageSlide 0.4s ease-out;
}

.phone-msg-large.received {
    align-self: flex-start;
    background: rgba(60, 60, 60, 0.8);
    border-bottom-left-radius: 4px;
}

.phone-msg-large.sent {
    align-self: flex-end;
    background: linear-gradient(135deg, #1a4d2e, #2d7a4f);
    border-bottom-right-radius: 4px;
}

.phone-msg-large.sent.highlight {
    background: linear-gradient(135deg, var(--color-primary), #00cc6a);
    color: var(--color-bg);
    font-weight: 500;
}

.media-preview {
    background: rgba(0, 0, 0, 0.4);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Phone Mockup */
.phone-mockup {
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.6s ease-out;
}

.phone-screen {
    width: 280px;
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: var(--spacing-md);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(var(--color-primary-rgb), 0.1),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.phone-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.phone-mockup:hover .phone-screen {
    transform: translateY(-8px);
    border-color: rgba(var(--color-primary-rgb), 0.3);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.6),
        0 0 40px rgba(var(--color-primary-rgb), 0.2),
        0 0 0 1px rgba(var(--color-primary-rgb), 0.3);
}

.phone-messages {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-height: 280px;
}

.phone-msg {
    max-width: 85%;
    padding: 0.65rem 0.9rem;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.4;
    animation: messageSlide 0.4s ease-out;
}

.phone-msg.received {
    align-self: flex-start;
    background: rgba(60, 60, 60, 0.8);
    border-bottom-left-radius: 4px;
}

.phone-msg.sent {
    align-self: flex-end;
    background: linear-gradient(135deg, #1a4d2e, #2d7a4f);
    border-bottom-right-radius: 4px;
}

.phone-msg.sent.highlight {
    background: linear-gradient(135deg, var(--color-primary), #00cc6a);
    color: var(--color-bg);
    font-weight: 500;
}

.media-box {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    font-size: 0.8rem;
    margin-top: 0.25rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.audio-box {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Chat Demo Section */
.chat-demo {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg);
    position: relative;
}

.chat-demo-wrapper {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.segment-selector {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
    margin: 0 auto;
}

.segment-label {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    text-align: center;
}

.segment-select {
    padding: 1rem 1.25rem;
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-size: 1rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2300ff88' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

.segment-select:hover {
    border-color: rgba(var(--color-primary-rgb), 0.4);
    background-color: rgba(26, 26, 26, 0.8);
}

.segment-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2);
}

.segment-select option {
    background: var(--color-bg-elevated);
    color: var(--color-text);
    padding: 0.75rem;
}

/* Chat Interface */
.chat-interface {
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(var(--color-primary-rgb), 0.1);
}

.chat-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(20, 20, 20, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(0, 212, 255, 0.15));
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.chat-info {
    flex: 1;
}

.chat-name {
    font-weight: 600;
    font-size: 1rem;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    animation: pulse 2s ease-in-out infinite;
}

.chat-messages {
    height: 450px;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

.chat-date {
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin: var(--spacing-sm) 0;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    align-self: center;
}

.message-demo {
    display: flex;
    animation: messageSlide 0.4s ease-out;
}

.message-demo.sent {
    justify-content: flex-end;
}

.bubble-demo {
    max-width: 75%;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.5;
    word-wrap: break-word;
}

.message-demo.received .bubble-demo {
    background: rgba(60, 60, 60, 0.8);
    border-bottom-left-radius: 4px;
}

.message-demo.sent .bubble-demo {
    background: linear-gradient(135deg, #1a4d2e, #2d7a4f);
    border-bottom-right-radius: 4px;
}

.chat-input-wrapper {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(20, 20, 20, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-typing {
    display: flex;
    gap: 0.3rem;
    padding: 0.5rem 0;
    margin-bottom: 0.5rem;
}

.chat-typing span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-secondary);
    animation: typing 1.4s ease-in-out infinite;
}

.chat-typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.chat-typing span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

.chat-input-container {
    display: flex;
    gap: var(--spacing-sm);
}

.chat-input {
    flex: 1;
    padding: 0.875rem 1rem;
    background: rgba(60, 60, 60, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    color: var(--color-text);
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.chat-input:focus {
    border-color: rgba(var(--color-primary-rgb), 0.5);
    background: rgba(60, 60, 60, 0.8);
}

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

.chat-send-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), #00cc6a);
    border: none;
    border-radius: 50%;
    color: var(--color-bg);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(var(--color-primary-rgb), 0.3);
}

.chat-send-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(var(--color-primary-rgb), 0.5);
}

.chat-send-btn:active {
    transform: scale(0.95);
}

/* Chat Info Box */
.chat-info-box {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
    border-radius: var(--border-radius);
    align-items: flex-start;
}

.info-icon {
    font-size: 1.5rem;
}

.info-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-primary);
}

.info-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
    .segment-selector {
        max-width: 100%;
    }

    .segment-select {
        font-size: 0.95rem;
        padding: 0.875rem 1rem;
        padding-right: 2.5rem;
    }

    .chat-messages {
        height: 350px;
    }

    .bubble-demo {
        max-width: 85%;
        font-size: 0.9rem;
    }
}

/* Nicho Section */
.nicho {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
}

.nicho-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.nicho-card {
    position: relative;
    padding: var(--spacing-xl);
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.nicho-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.03), rgba(138, 43, 226, 0.03));
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

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

.nicho-card:hover {
    border-color: rgba(var(--color-primary-rgb), 0.5);
    transform: translateY(-8px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(var(--color-primary-rgb), 0.2);
}

.nicho-card-icon {
    position: relative;
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.15), rgba(138, 43, 226, 0.1));
    border: 2px solid rgba(var(--color-primary-rgb), 0.3);
    border-radius: 16px;
    color: var(--color-primary);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.nicho-card:hover .nicho-card-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-bg);
    border-color: var(--color-primary);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 
        0 10px 30px rgba(var(--color-primary-rgb), 0.5),
        0 0 40px rgba(var(--color-primary-rgb), 0.3);
}

.nicho-card-icon svg {
    width: 48px;
    height: 48px;
}

.nicho-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0;
    z-index: 1;
    position: relative;
}

.nicho-card-description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
    flex-grow: 1;
    z-index: 1;
    position: relative;
}

.nicho-card-arrow {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--color-primary-rgb), 0.1);
    border-radius: 10px;
    color: var(--color-primary);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    align-self: flex-start;
    z-index: 1;
    position: relative;
}

.nicho-card:hover .nicho-card-arrow {
    background: var(--color-primary);
    color: var(--color-bg);
    transform: translateX(4px);
}

.nicho-card-outros {
    border-style: dashed;
    border-color: rgba(var(--color-primary-rgb), 0.3);
}

.nicho-card-outros:hover {
    border-style: solid;
}

.nicho-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(138, 43, 226, 0.15));
    border: 2px solid rgba(var(--color-primary-rgb), 0.3);
    border-radius: 50%;
    color: var(--color-primary);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(var(--color-primary-rgb), 0.2);
    position: relative;
    z-index: 1;
}

.nicho-card:hover .nicho-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-bg);
    border-color: var(--color-primary);
    transform: scale(1.15) rotateZ(10deg);
    box-shadow: 
        0 8px 30px rgba(var(--color-primary-rgb), 0.5),
        0 0 50px rgba(var(--color-primary-rgb), 0.4);
}

.nicho-card h3 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* CTA Final */
.cta-final {
    position: relative;
    padding: var(--spacing-3xl) 0;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1000px;
    height: 1000px;
    background: 
        radial-gradient(circle, rgba(0, 255, 136, 0.2) 0%, transparent 50%),
        radial-gradient(circle, rgba(138, 43, 226, 0.15) 20%, transparent 60%);
    pointer-events: none;
    animation: pulse 4s ease-in-out infinite, rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-visual {
        order: -1;
    }

    .hero-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-tagline {
        font-size: 1rem;
        padding: 0.6rem 1.2rem;
    }

    .nicho-cards-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .tab-content-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .tab-info {
        order: 1;
    }

    .tab-mockup {
        order: 2;
    }

    .tab-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: var(--spacing-md) 0 var(--spacing-lg) 0;
        min-height: auto;
    }

    .logo {
        height: 50px;
        margin-bottom: var(--spacing-md);
    }

    .headline {
        font-size: 2rem;
        margin-bottom: var(--spacing-xs);
    }

    .hero-tagline {
        font-size: 0.95rem;
        padding: 0.5rem 1rem;
        margin-bottom: var(--spacing-md);
    }

    .hero-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .phone-screen {
        width: 100%;
        max-width: 280px;
    }

    .tabs-navigation {
        flex-direction: column;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm);
    }

    .tab-btn {
        flex-direction: row;
        justify-content: flex-start;
        min-width: auto;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .tab-btn::after {
        display: none;
    }

    .tab-icon {
        width: 28px;
        height: 28px;
    }

    .tab-label {
        font-size: 0.9rem;
    }

    .tab-title {
        font-size: 1.25rem;
    }

    .tab-description {
        font-size: 0.95rem;
    }

    .phone-messages-large {
        min-height: 320px;
    }

    .nicho-cards-grid {
        grid-template-columns: 1fr;
    }

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

    .mockup-messages {
        min-height: 300px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: var(--color-bg);
}