/* ===== VARIABLES - Paleta Verde WhatsApp ===== */
:root {
    --primary: #25D366;
    --primary-dark: #128C7E;
    --primary-light: #34E879;
    --secondary: #075E54;
    --accent: #25D366;
    --dark: #0a1f1c;
    --dark-light: #0d2f2a;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== UTILITIES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-500);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

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

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

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

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 70px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    font-weight: 500;
    color: var(--gray-700);
    transition: color 0.3s;
}

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

.nav-buttons {
    display: flex;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
}

/* ===== HERO ===== */
.hero {
    padding: 160px 0 140px;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 50%, #dcf8e8 100%);
    position: relative;
    overflow: visible;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

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

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Dashboard Mockup */
.dashboard-mockup {
    background: var(--white);
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    min-width: 500px;
}

.dash-header {
    background: var(--secondary);
    color: var(--white);
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dash-logo {
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dash-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
}

.dash-body {
    display: flex;
    min-height: 320px;
}

.dash-sidebar {
    width: 180px;
    background: var(--gray-100);
    padding: 0.75rem;
    border-right: 1px solid var(--gray-200);
}

.sidebar-title {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--gray-500);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.instance-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 0.375rem;
    margin-bottom: 0.375rem;
    background: var(--white);
    cursor: pointer;
    transition: all 0.2s;
}

.instance-item.active {
    background: rgba(37, 211, 102, 0.15);
    border-left: 3px solid var(--primary);
}

.instance-item i {
    color: var(--primary);
    font-size: 1rem;
}

.instance-info {
    flex: 1;
    min-width: 0;
}

.instance-name {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.instance-number {
    font-size: 0.625rem;
    color: var(--gray-500);
}

.instance-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.instance-status.online {
    background: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.3);
}

.agent-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem;
    margin-bottom: 0.25rem;
}

.agent-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 600;
}

.agent-name {
    flex: 1;
    font-size: 0.75rem;
    color: var(--gray-700);
}

.agent-tickets {
    background: var(--primary);
    color: var(--white);
    font-size: 0.625rem;
    font-weight: 600;
    padding: 0.125rem 0.375rem;
    border-radius: 1rem;
}

.dash-chats {
    flex: 1;
    padding: 0.75rem;
}

.chats-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
}

.chats-count {
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    border-radius: 1rem;
}

.chat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem;
    border-radius: 0.5rem;
    transition: background 0.3s;
    margin-bottom: 0.375rem;
}

.chat-item.active {
    background: rgba(37, 211, 102, 0.1);
}

.chat-item:hover {
    background: var(--gray-100);
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.chat-info {
    flex: 1;
    min-width: 0;
}

.chat-info .name {
    display: block;
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.8rem;
}

.chat-info .preview {
    font-size: 0.7rem;
    color: var(--gray-500);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.chat-meta .time {
    font-size: 0.65rem;
    color: var(--gray-400);
}

.badge {
    background: var(--primary);
    color: var(--white);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.125rem 0.375rem;
    border-radius: 1rem;
    min-width: 18px;
    text-align: center;
}

/* Tags/Marcadores */
.tag {
    display: inline-block;
    font-size: 0.55rem;
    font-weight: 600;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    margin-left: 0.375rem;
    vertical-align: middle;
}

.tag-green {
    background: rgba(37, 211, 102, 0.2);
    color: #128C7E;
}

.tag-blue {
    background: rgba(59, 130, 246, 0.2);
    color: #2563eb;
}

.tag-purple {
    background: rgba(139, 92, 246, 0.2);
    color: #7c3aed;
}

.tag-orange {
    background: rgba(249, 115, 22, 0.2);
    color: #ea580c;
}

.hero-wave {
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    z-index: 1;
    pointer-events: none;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 60px;
}

/* ===== CHANNELS ===== */
.channels {
    padding: 80px 0;
    background: var(--white);
}

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

.channel-card {
    text-align: center;
    padding: 2rem;
    border-radius: 1rem;
    background: var(--gray-100);
    transition: all 0.3s;
}

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

.channel-icon {
    width: 70px;
    height: 70px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2rem;
    color: var(--white);
}

.channel-icon.whatsapp { background: #25d366; }
.channel-icon.meta { background: #0081FB; }
.channel-icon.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.channel-icon.facebook { background: #0084ff; }

.channel-card h3 {
    font-size: 1.25rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

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

/* ===== FEATURES ===== */
.features {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-100) 100%);
}

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

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 0.75rem;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}

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

.feature-card p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

/* ===== BENEFITS ===== */
.benefits {
    padding: 80px 0;
    background: var(--white);
}

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

.benefits-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
}

.benefits-text > p {
    color: var(--gray-500);
    margin-bottom: 2rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.benefit-check {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(34, 197, 94, 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-item h4 {
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

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

.stats-card {
    background: var(--white);
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.stats-header {
    background: var(--gradient);
    color: var(--white);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
}

.stats-body {
    padding: 1.5rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-value {
    font-weight: 700;
    font-size: 1.25rem;
}

.stat-value.green {
    color: var(--accent);
}

/* ===== PRICING ===== */
.pricing {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

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

.pricing-card {
    background: var(--white);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow);
    position: relative;
    transition: all 0.3s;
}

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

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: var(--white);
    padding: 0.25rem 1rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 1.5rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 1rem;
}

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

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-500);
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark);
}

.period {
    color: var(--gray-500);
}

.pricing-features {
    margin-bottom: 2rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: var(--gray-600);
}

.pricing-features i {
    color: var(--accent);
}

/* ===== FAQ ===== */
.faq {
    padding: 80px 0;
    background: var(--white);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
}

.faq-question i {
    transition: transform 0.3s;
    color: var(--primary);
}

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

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

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding-bottom: 1.5rem;
    color: var(--gray-600);
}

/* ===== CTA ===== */
.cta {
    padding: 80px 0;
    background: var(--gradient);
}

.cta-content {
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: var(--gray-300);
    padding: 60px 0 30px;
}

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

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--dark-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-links h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-light);
    font-size: 0.875rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .channels-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-content {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu,
    .nav-buttons {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .channels-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}