/* ==========================================================================
   SIXTYSIX - DESIGN SYSTEM & BRAND STYLESHEET
   Slogan: "Automação inteligente. Software sob medida."
   Palette: Dark base (black/graphite) with Neon Green accents.
   ========================================================================== */

/* 1. Imports & Typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* 2. CSS Custom Properties (Design Tokens) */
:root {
    /* Color Palette */
    --bg-main: #060608;
    --bg-surface: #0f0f13;
    --bg-surface-elevated: #16161f;
    --bg-glass: rgba(15, 15, 19, 0.7);
    --border-color: rgba(255, 255, 255, 0.05);
    --border-hover: rgba(0, 217, 139, 0.3);
    
    /* Brand Accents */
    --primary: #00d98b;         /* Neon Green */
    --primary-light: #39f3b2;   /* Green Light */
    --primary-dark: #00a669;    /* Deep Green */
    --primary-glow: rgba(0, 217, 139, 0.15);
    
    /* Text Colors */
    --text-primary: #f4f4f5;    /* High contrast white */
    --text-muted: #9ca3af;      /* Secondary grey */
    --text-dimmed: #6b7280;     /* Deeper grey for captions */
    
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Animations */
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Layout */
    --max-width: 1200px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
}

/* 3. Base & Reset Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    color-scheme: dark;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button, input, select, textarea {
    font-family: inherit;
    background: none;
    border: none;
    outline: none;
}

ul {
    list-style: none;
}

/* Sleek Premium Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--bg-surface-elevated) 0%, var(--primary-dark) 50%, var(--primary) 100%);
    border: 2.5px solid var(--bg-main);
    border-radius: 10px;
    transition: background 0.3s ease;
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
}

/* 4. Common & Utility Layout Components */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    width: 100%;
}

.section-padding {
    padding: 120px 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 80px 0;
    }
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(
        110deg,
        #ffffff 20%,
        var(--primary-light) 40%,
        #ffffff 50%,
        var(--primary-light) 60%,
        #ffffff 80%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textShimmer 6s infinite linear;
}

.gradient-text-alt {
    background: linear-gradient(
        110deg,
        var(--primary-light) 20%,
        var(--primary) 40%,
        #ffffff 50%,
        var(--primary) 60%,
        var(--primary-dark) 80%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textShimmer 6s infinite linear;
}

@keyframes textShimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

/* Custom sketch circled highlight (hand-drawn circle effect) */
.sketch-highlight {
    position: relative;
    display: inline-block;
    padding: 0 16px;
}

.sketch-svg {
    position: absolute;
    top: -20%;
    left: -5%;
    width: 110%;
    height: 140%;
    pointer-events: none;
    z-index: 1;
}

.sketch-svg path {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    vector-effect: non-scaling-stroke; /* Prevents stroke-width distortion on stretched text */
}

/* Explicit keyframe drawing animation for real-time sketch on screen arrival */
@keyframes drawCircle {
    0% {
        stroke-dashoffset: 2000;
    }
    100% {
        stroke-dashoffset: 0;
    }
}


/* Navbar Logo Autoplay Circle Animation on page load */
.navbar-sketch {
    padding: 0 8px !important;
}

.navbar-sketch .sketch-svg {
    top: -15%;
    height: 130%;
}

.navbar-sketch .sketch-svg path {
    stroke-width: 1.8px;
    animation: drawCircle 5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 1.2s; /* Delay maior para o usuário focar primeiro no logo */
}

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

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: rgba(0, 217, 139, 0.08);
    border: 1px solid rgba(0, 217, 139, 0.15);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
    font-weight: 800;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 60px auto;
}

/* Buttons & CTAs */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    z-index: 5;
}

.btn-primary {
    background: rgba(0, 217, 139, 0.08);
    border: 1px solid rgba(0, 217, 139, 0.35);
    color: var(--primary-light);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 217, 139, 0.12),
                inset 0 1px 1px rgba(255, 255, 255, 0.05);
}

.btn-primary:hover, .btn-primary.touched {
    background: rgba(0, 217, 139, 0.18);
    border-color: rgba(0, 217, 139, 0.65);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 217, 139, 0.28),
                inset 0 1px 1px rgba(255, 255, 255, 0.15);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover, .btn-secondary.touched {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}


/* Click zoom effect - acionado via JS em icones de servicos */
@keyframes clickZoom {
    0%   { transform: scale(1); }
    30%  { transform: scale(1.18); }
    60%  { transform: scale(0.97); }
    100% { transform: scale(1); }
}

.click-zoom {
    animation: clickZoom 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards !important;
}

/* Feedback tatil imediato ao pressionar */
.sol-tab:active .tab-icon,
.diff-icon:active {
    transform: scale(0.92);
    transition: transform 0.1s ease;
}
/* Glassmorphic Card base */
.glass-card {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.005) 50%, rgba(0, 217, 139, 0.02) 100%), var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    overflow: hidden;
    z-index: 1;
    transition: border-color var(--transition-smooth), transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

/* Premium Glass Shimmer Shine Effect */
.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 80%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.04) 30%,
        rgba(0, 217, 139, 0.08) 50%,
        rgba(255, 255, 255, 0.04) 70%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-30deg);
    transition: left 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: 2;
    pointer-events: none;
}

.glass-card:hover::before, .glass-card.touched::before {
    left: 200%;
}

/* Subtle inner glow spotlight gradient */
.glass-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% -20%, rgba(0, 217, 139, 0.12) 0%, transparent 50%);
    opacity: 0.5;
    z-index: -1;
    transition: opacity var(--transition-smooth);
}

.glass-card:hover::after, .glass-card.touched::after {
    opacity: 1;
}

.glass-card:hover, .glass-card.touched {
    border-color: rgba(0, 217, 139, 0.4);
    transform: translateY(-6px) scale(1.005);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5),
                0 0 30px rgba(0, 217, 139, 0.15),
                inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

/* Background Glowing Blurs (Linear / Vercel style) */
.ambient-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 217, 139, 0.08) 0%, rgba(0, 166, 105, 0.02) 50%, rgba(0,0,0,0) 100%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(80px);
    /* Prevent glow from causing horizontal overflow */
    max-width: 100vw;
    overflow: hidden;
}

@media (max-width: 768px) {
    .ambient-glow {
        width: 300px;
        height: 300px;
    }
}

/* 5. Header / Navbar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: all var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid transparent;
    padding: 12px 0;
}

/* Hide menu options, action buttons, and mobile toggles when header is scrolled */
.header.scrolled .nav-menu:not(.active) {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
}

.header.scrolled .nav-actions {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
}

.header.scrolled:not(:has(.nav-menu.active)) .mobile-toggle {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    transition: padding var(--transition-smooth);
}

.header.scrolled .container {
    padding: 10px 24px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0px;
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.logo-img {
    height: 54px;
    width: auto; margin-right: -8px; object-fit: contain;
    transition: transform var(--transition-fast);
}

.logo:hover .logo-img {
    transform: scale(1.1);
}

/* Desktop Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    transition: opacity var(--transition-smooth), transform var(--transition-smooth), visibility var(--transition-smooth);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--primary);
    transition: width var(--transition-smooth);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    transition: opacity var(--transition-smooth), transform var(--transition-smooth), visibility var(--transition-smooth);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 0px;
    cursor: pointer;
    width: 24px;
    z-index: 110;
    transition: opacity var(--transition-smooth), transform var(--transition-smooth), visibility var(--transition-smooth);
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

@media (max-width: 992px) {
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(6, 6, 8, 0.98);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        transition: right var(--transition-smooth), opacity var(--transition-smooth), transform var(--transition-smooth), visibility var(--transition-smooth);
        z-index: 105;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .nav-actions {
        display: none; /* Handled in menu or simple button */
    }
}

/* 6. Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
}

.hero-glow-1 {
    top: -100px;
    right: -100px;
    background: radial-gradient(circle, rgba(0, 217, 139, 0.1) 0%, rgba(0,0,0,0) 70%);
}

.hero-glow-2 {
    bottom: -200px;
    left: -200px;
    background: radial-gradient(circle, rgba(0, 166, 105, 0.08) 0%, rgba(0,0,0,0) 70%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

@media (max-width: 992px) {
    .hero {
        padding-top: 120px;
        padding-bottom: 60px;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Ocultar o chat hero completamente em mobile (evita scroll capturado e overflow) */
@media (max-width: 768px) {
    

    .agent-card-float {
        display: none !important;
    }

    /* About values: empilhar em mobile */
    .about-values {
        grid-template-columns: 1fr;
    }

    /* Sol title menor */
    .sol-title {
        font-size: 1.5rem;
    }

    /* Contact form: padding reduzido */
    .contact-form-wrapper {
        padding: 20px;
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

@media (max-width: 992px) {
    .hero-content {
        align-items: center;
    }
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 24px;
    color: var(--text-muted);
}

.badge-tag span.dot {
    width: 6px;
    height: 6px;
    background-color: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary);
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 5.5vw, 4.25rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 20px;
}

.hero-desc {
    font-size: clamp(1rem, 1.25vw, 1.25rem);
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    width: 100%;
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
    }
}

/* Dynamic Interactive Agent Simulator Mockup */
.hero-visual {
    position: relative;
    width: 100%;
    perspective: 1000px;
}

.agent-chat-window {
    width: 100%;
    height: 420px;
    background: #0b0b0e;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    backdrop-filter: blur(15px);
}

/* Chat Header */
.chat-header {
    background: rgba(22, 22, 31, 0.7);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 217, 139, 0.1);
    border: 1px solid rgba(0, 217, 139, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.chat-avatar-glow {
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.15;
    filter: blur(4px);
    animation: avatarPulse 2s infinite alternate;
}

@keyframes avatarPulse {
    0% { transform: scale(1); opacity: 0.1; }
    100% { transform: scale(1.1); opacity: 0.25; }
}

.chat-user-details {
    display: flex;
    flex-direction: column;
    gap: 0px;
}

.chat-username {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.chat-status {
    font-size: 11px;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    display: inline-block;
    box-shadow: 0 0 6px var(--primary);
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-muted);
}

.chat-icon {
    width: 16px;
    height: 16px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.chat-icon:hover {
    color: var(--primary);
    transform: scale(1.1);
}

/* Chat Body & Message Bubbles */
.chat-body {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    max-height: 350px;
    background: 
        radial-gradient(circle at 30% 20%, rgba(0, 217, 139, 0.02) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0, 217, 139, 0.01) 0%, transparent 40%),
        #07070a; /* Sleek WhatsApp pattern feel */
    scrollbar-width: thin;
}

/* Custom Chat Scrollbar */
.chat-body::-webkit-scrollbar {
    width: 5px;
}
.chat-body::-webkit-scrollbar-track {
    background: transparent;
}
.chat-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}
.chat-body::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Bubbles System */
.chat-message {
    display: flex;
    width: 100%;
}

.chat-message.incoming {
    justify-content: flex-start;
}

.chat-message.outgoing {
    justify-content: flex-end;
}

.message-bubble {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 12px;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 4px;
    animation: bubbleEnter 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes bubbleEnter {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.chat-message.incoming .message-bubble {
    background: rgba(22, 22, 31, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom-left-radius: 2px;
    color: var(--text-primary);
}

.chat-message.outgoing .message-bubble {
    background: rgba(0, 217, 139, 0.08);
    border: 1px solid rgba(0, 217, 139, 0.15);
    border-bottom-right-radius: 2px;
    color: #ffffff;
}

.message-sender {
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.message-text {
    font-size: 13.5px;
    line-height: 1.5;
    margin: 0;
    font-weight: 400;
    word-break: break-word;
}

.message-time {
    font-size: 10px;
    color: var(--text-dimmed);
    align-self: flex-end;
    margin-top: 2px;
    display: flex;
    align-items: center;
    gap: 3px;
}

.chat-message.outgoing .message-time {
    color: rgba(255, 255, 255, 0.4);
}

/* Centered Badges for system events */
.chat-system-badge {
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 4px 0;
}

.chat-system-badge span {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 11px;
    padding: 4px 12px;
    border-radius: 20px;
    font-family: var(--font-body);
    letter-spacing: 0.2px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
    animation: badgeEnter 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes badgeEnter {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.agent-card-float {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-hover);
    border-radius: var(--border-radius-sm);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    animation: float 4s ease-in-out infinite;
}

.agent-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.75rem;
}

.agent-info {
    font-family: var(--font-body);
}

.agent-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.agent-status {
    font-size: 0.7rem;
    color: #10b981;
    display: flex;
    align-items: center;
    gap: 4px;
}

.agent-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background-color: #10b981;
    border-radius: 50%;
    display: inline-block;
}

/* 7. Differentials (Brand Intro) */
.differentials {
    position: relative;
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

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

@media (max-width: 600px) {
    .differentials-grid {
        grid-template-columns: 1fr;
    }
}

.diff-card {
    padding: 40px 32px;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.diff-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 217, 139, 0.08);
    border: 1px solid rgba(0, 217, 139, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    margin-bottom: 24px;
    transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.diff-card:hover .diff-icon, .diff-card.touched .diff-icon {
    transform: scale(1.1);
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.diff-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.diff-desc {
    color: var(--text-muted);
    font-size: 0.925rem;
    line-height: 1.5;
}

/* 8. Testimonials — Infinite Marquee */
.testimonials {
    position: relative;
    overflow: hidden;
}

/* Wrapper de borda a borda com fade nas laterais */
.testimonials-wrapper {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 60px;
    /* Fade nas bordas esquerda e direita */
    -webkit-mask-image: linear-gradient(
        to right,
        transparent 0%,
        black 8%,
        black 92%,
        transparent 100%
    );
    mask-image: linear-gradient(
        to right,
        transparent 0%,
        black 8%,
        black 92%,
        transparent 100%
    );
}

.marquee-row {
    overflow: hidden;
    width: 100%;
}

/* Track que contém os cards e se move */
.marquee-track {
    display: flex;
    gap: 20px;
    width: max-content;
    will-change: transform;
}

/* Row 1: move para a esquerda */
.track-left {
    animation: marquee-left 40s linear infinite;
}

/* Row 2: move para a direita (parte já deslocada) */
.track-right {
    animation: marquee-right 45s linear infinite;
}

/* Pausa ao passar o mouse */
.testimonials-wrapper:hover .marquee-track {
    animation-play-state: paused;
}

@keyframes marquee-left {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes marquee-right {
    0%   { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

/* Card de depoimento */
.testi-card {
    min-width: 340px;
    max-width: 340px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex-shrink: 0;
    transition: border-color var(--transition-smooth), transform var(--transition-smooth);
    cursor: default;
}

@media (max-width: 600px) {
    .testi-card {
        min-width: 280px;
        max-width: 280px;
        padding: 20px;
    }
}

.testi-header {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testi-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    color: #ffffff;
    flex-shrink: 0;
    letter-spacing: 0.5px;
}

.testi-name {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.testi-role {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.testi-stars {
    margin-left: auto;
    color: var(--primary);
    font-size: 0.85rem;
    letter-spacing: 1px;
    flex-shrink: 0;
}

.testi-text {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.65;
    font-style: italic;
}

/* 9. Solutions Showcase Section (Interactive Tabs) */
.solutions {
    position: relative;
    background: linear-gradient(180deg, var(--bg-main) 0%, rgba(15, 15, 19, 0.5) 50%, var(--bg-main) 100%);
}

.solutions-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
    position: relative;
    z-index: 5;
}

.sol-tab {
    padding: 14px 28px;
    border-radius: 100px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    transition: all var(--transition-smooth);
}

.sol-tab:hover, .sol-tab.touched {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
}

.sol-tab.active {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(0, 217, 139, 0.25);
}

.sol-content-wrapper {
    min-height: 480px;
    position: relative;
}

.sol-pane {
    display: none;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.sol-pane.active {
    display: grid;
    opacity: 1;
}

@media (max-width: 992px) {
    .sol-pane {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.sol-details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.sol-title {
    font-size: clamp(1.4rem, 3.5vw, 2rem);
    margin-bottom: 20px;
    font-weight: 700;
}

.sol-description {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 30px;
}

.sol-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
    margin-bottom: 36px;
}

@media (max-width: 576px) {
    .sol-features {
        grid-template-columns: 1fr;
    }
}

.sol-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.sol-feature-item svg {
    color: var(--primary-light);
    flex-shrink: 0;
}

/* Sol Showcase Visuals (Mockups) */
.sol-visual-container {
    width: 100%;
    display: flex;
    justify-content: center;
    position: relative;
}

.app-mockup {
    width: 100%;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.mockup-header {
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mockup-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.mockup-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.mockup-body {
    padding: 24px;
}

/* Specific solutions designs */
/* Delivery Mockup layout */
.delivery-grid {
    display: grid;
    grid-template-columns: 0.35fr 0.65fr;
    gap: 16px;
}

.delivery-sidebar {
    background: rgba(255, 255, 255, 0.01);
    border-right: 1px solid var(--border-color);
    padding-right: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-item {
    height: 24px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
    width: 80%;
}

.sidebar-item.active {
    background: rgba(0, 217, 139, 0.1);
    border-left: 2px solid var(--primary);
    width: 100%;
}

.delivery-main {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.delivery-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.stat-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    text-align: center;
}

.stat-label {
    font-size: 0.65rem;
    color: var(--text-muted);
}

.stat-val {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-light);
}

.delivery-order-list {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.order-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    font-size: 0.75rem;
}

.order-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.order-status-badge {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 0.65rem;
}

/* IA Flow Visual */
.ia-agent-visual {
    background: rgba(10, 10, 14, 0.5);
    border-radius: 12px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
}

.flow-step {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 20px;
    width: 100%;
    position: relative;
}

.flow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 40px;
    width: 2px;
    height: 20px;
    background: linear-gradient(180deg, var(--primary) 0%, rgba(255, 255, 255, 0) 100%);
}

.step-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.step-text {
    font-size: 0.85rem;
}

.step-meta {
    margin-left: auto;
    font-size: 0.7rem;
    color: #10b981;
}

/* Custom Software Showcase */
.custom-system-mockup {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.system-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
}

.sys-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    align-items: center;
}

.sys-title {
    font-size: 0.85rem;
    font-weight: 600;
}

.sys-tag {
    font-size: 0.7rem;
    background: rgba(0, 217, 139, 0.1);
    color: var(--primary-light);
    padding: 2px 8px;
    border-radius: 100px;
}

.sys-bar-chart {
    height: 60px;
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding-top: 10px;
}

.chart-bar {
    flex-grow: 1;
    background: linear-gradient(0deg, var(--primary-dark) 0%, var(--primary) 100%);
    border-radius: 4px 4px 0 0;
    transition: height 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) !important;
}

/* Solutions Mockup Animation Styling */
.flow-step {
    transition: all var(--transition-smooth);
}
.flow-step.active {
    background: rgba(0, 217, 139, 0.08);
    border-color: rgba(0, 217, 139, 0.4);
    box-shadow: 0 0 15px rgba(0, 217, 139, 0.1);
    transform: scale(1.02);
}
.flow-step.active .step-num {
    box-shadow: 0 0 12px var(--primary-glow);
}

@keyframes slideInOrder {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.order-row.new-order {
    animation: slideInOrder var(--transition-smooth) forwards;
}

.order-status-badge {
    transition: all var(--transition-fast);
}
.order-status-badge.preparando {
    background: rgba(0, 217, 139, 0.1);
    color: var(--primary-light);
}
.order-status-badge.recebido {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}
.order-status-badge.entregue {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}

/* 9. How We Work (The Process) */
.process {
    position: relative;
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 40px;
    height: 100%;
    width: 2px;
    background: linear-gradient(180deg, var(--primary) 0%, rgba(255, 255, 255, 0.03) 100%);
}

.timeline-item {
    position: relative;
    padding-left: 90px;
    margin-bottom: 60px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 20px;
    top: 0;
    width: 42px;
    height: 54px;
    border-radius: 50%;
    background: var(--bg-surface-elevated);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: all var(--transition-smooth);
}

.timeline-item:hover .timeline-marker, .timeline-item.touched .timeline-marker {
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 217, 139, 0.4);
    background: var(--primary);
    color: #ffffff;
}

.timeline-marker svg {
    width: 18px;
    height: 18px;
    color: var(--primary-light);
    transition: color var(--transition-smooth);
}

.timeline-item:hover .timeline-marker, .timeline-item.touched .timeline-marker svg {
    color: #ffffff;
}

.timeline-content {
    padding: 30px;
}

.timeline-step-num {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.timeline-title {
    font-size: 1.35rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.timeline-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* 10. About Us Section */
.about {
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 1.05rem;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 576px) {
    .about-values {
        grid-template-columns: 1fr;
    }
}

.value-card {
    padding: 24px;
    text-align: center;
}

.value-card svg {
    color: var(--primary-light);
    margin-bottom: 16px;
}

.value-title {
    font-size: 1.1rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.value-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* 11. Contact & Scheduler Section */
.contact {
    position: relative;
    background: linear-gradient(180deg, var(--bg-main) 0%, rgba(0, 217, 139, 0.02) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 48px;
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.contact-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(0, 217, 139, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    flex-shrink: 0;
}

.contact-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.contact-val {
    font-size: 1rem;
    font-weight: 600;
}

.contact-form-wrapper {
    padding: 40px;
}

@media (max-width: 576px) {
    .contact-form-wrapper {
        padding: 24px;
    }
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 576px) {
    .form-group-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 217, 139, 0.2);
    background: rgba(255, 255, 255, 0.04);
}

textarea.form-control {
    resize: none;
    min-height: 120px;
}

/* Dynamic Interactive Scheduler Mockup in Form */
.scheduler-widget {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.scheduler-title {
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.scheduler-title svg {
    color: var(--primary-light);
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.day-btn {
    padding: 10px 6px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.day-btn span.wday {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.day-btn span.num {
    display: block;
    font-size: 1rem;
    font-weight: 700;
}

.day-btn:hover, .day-btn.touched {
    border-color: rgba(0, 217, 139, 0.5);
    background: rgba(0, 217, 139, 0.05);
}

.day-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

.day-btn.active span.wday {
    color: rgba(255, 255, 255, 0.8);
}

.time-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.time-btn {
    padding: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.time-btn:hover, .time-btn.touched {
    border-color: rgba(0, 217, 139, 0.5);
}

.time-btn.active {
    background: rgba(0, 217, 139, 0.15);
    border-color: var(--primary);
    color: var(--primary-light);
}

/* Success popup/feedback */
.form-feedback {
    display: none;
    padding: 16px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid #10b981;
    border-radius: var(--border-radius-sm);
    color: #10b981;
    font-weight: 500;
    align-items: center;
    gap: 12px;
}

/* 12. Footer */
.footer {
    background: #020203;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-links-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-list a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
    font-size: 0.85rem;
    color: var(--text-dimmed);
}

@media (max-width: 576px) {
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* Extra small screens (≤ 400px) */
@media (max-width: 400px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-desc {
        font-size: 0.95rem;
    }

    .btn {
        font-size: 0.85rem;
        padding: 12px 20px;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .timeline-item {
        padding-left: 70px;
    }

    .contact-form-wrapper {
        padding: 16px;
    }

    .scheduler-widget {
        padding: 14px;
    }

    .calendar-days {
        gap: 0px;
    }

    .day-btn {
        padding: 8px 4px;
    }
}

/* 13. Animations keyframes */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 217, 139, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 217, 139, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 217, 139, 0);
    }
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* Scroll reveal system Classes */
.reveal {
    opacity: 0;
    transform: translateY(25px) scale(0.98);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, opacity;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Scroll Progress Bar Indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    z-index: 9999;
    box-shadow: 0 0 8px var(--primary);
    transition: width 0.1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Floating Scroll-To-Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth), border-color var(--transition-fast), background var(--transition-fast);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: var(--bg-surface-elevated);
    border-color: var(--primary);
    color: var(--primary-light);
    box-shadow: 0 0 15px var(--primary-glow);
    transform: translateY(-3px);
}

.scroll-to-top i {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.scroll-to-top:hover i {
    transform: translateY(-2px);
}

/* ==========================================================================
   MOBILE SAFETY NET — Prevents any element from causing horizontal overflow
   ========================================================================== */
@media (max-width: 768px) {
    /* Sections constrained to viewport width — sem overflow-x para não criar scroll interno */
    section,
    .container,
    .hero-grid,
    .hero-content,
    .differentials-grid,
    .solutions-nav,
    .sol-pane,
    .sol-content-wrapper,
    .process-timeline,
    .about-grid,
    .contact-grid,
    .footer-grid {
        width: 100%;
        max-width: 100%;
    }

        /* Ensure hero section visual is beautifully displayed and responsive on mobile */
    .hero-visual {
        display: block !important;
        visibility: visible !important;
        width: 100% !important;
        height: auto !important;
        margin-top: 30px;
        perspective: none !important; /* Remove perspective transform on mobile for clean rendering */
    }

    .agent-chat-window {
        display: flex !important;
        visibility: visible !important;
        width: 100% !important;
        height: 360px !important; /* Reduced height on mobile to look compact and premium */
        overflow: hidden !important;
    }

    .agent-card-float {
        display: none !important;
        visibility: hidden !important;
        width: 0 !important;
        height: 0 !important;
    }

    /* Chat body: absolutely no scroll on mobile */
    .chat-body {
        overflow: hidden !important;
        touch-action: none !important;
        pointer-events: none !important;
    }

    /* Fixed positioned elements: keep within viewport */
    .scroll-to-top {
        right: 16px;
        bottom: 16px;
    }

    /* Prevent table-like layouts from overflowing */
    .delivery-stats {
        grid-template-columns: repeat(3, 1fr);
        font-size: 0.7rem;
    }

    .stat-val {
        font-size: 0.8rem;
    }

    /* Timeline adjustments */
    .timeline-item {
        padding-left: 70px;
    }

    .process-timeline::before {
        left: 28px;
    }

    .timeline-marker {
        left: 8px;
        width: 36px;
        height: 36px;
    }

    /* About section */
    .about-text h3 {
        font-size: 1.5rem;
    }
}