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

:root {
    --primary-color: #5AC0FF;
    --primary-hover: #45aae6;
    
    /* Tema Claro */
    --bg-page: #F9FAFB;
    --text-main: #3A3A3A;
    --text-secondary: #4A4A4A; /* Contraste alto para os links */
    --bg-card: #FFFFFF;
    --border-color: #E0E0E0;
    --header-bg: rgba(255, 255, 255, 0.95);
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.1);
    
    --transition: all 0.3s ease;
    --border-radius: 8px;
}

[data-theme="dark"] {
    /* Tema Escuro */
    --bg-page: #121212;
    --text-main: #FFFFFF;
    --text-secondary: #A0A0A0;
    --bg-card: #1E1E1E;
    --border-color: #2A2A2A;
    --header-bg: rgba(30, 30, 30, 0.95);
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.4);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition), color var(--transition);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Header */
header {
    position: fixed;
    top: 0; left: 0; right: 0;
    padding: 1.25rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: transparent;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 1rem 5%;
}

.logo-link {
    display: flex;
    align-items: center;
    z-index: 1001; /* Fica acima do menu mobile */
}

.brand-logo {
    height: 35px;
    width: auto;
    display: block;
    transition: filter var(--transition);
    /* No topo (hero com overlay escuro), a logo deve ficar branca */
    filter: brightness(0) invert(1);
}

/* Tema CLARO com scroll: fundo fica claro, logo ganha suas cores originais */
header.scrolled .brand-logo {
    filter: none;
}

/* Tema ESCURO: a logo sempre fica branca monocromática para contrastar com fundos escuros */
[data-theme="dark"] header.scrolled .brand-logo,
[data-theme="dark"] .brand-logo {
    filter: brightness(0) invert(1);
}

nav ul {
    display: flex;
    gap: 2rem;
    align-items: center;
}

nav a {
    font-weight: 500;
    font-size: 0.95rem;
    color: #FFFFFF; /* Força branco no topo para contrastar com a imagem escura */
    transition: color var(--transition);
}

header.scrolled nav a {
    color: var(--text-main); /* Volta ao padrão dinâmico (claro/escuro) ao rolar */
}

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

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-icon {
    transition: transform var(--transition);
}

.dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: -1rem;
    min-width: 200px;
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    border-radius: var(--border-radius);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    width: 100%;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-main);
    font-size: 0.9rem;
}

header.scrolled .dropdown-menu a {
    color: var(--text-main);
}

.dropdown-menu a:hover {
    background-color: rgba(90, 192, 255, 0.1);
    color: var(--primary-color) !important;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    z-index: 1001; /* Fica acima do menu mobile */
}

a.header-cta {
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: all 0.4s ease;
    display: none;
}

@media (min-width: 1025px) {
    a.header-cta {
        display: inline-block;
    }
}

header.scrolled .header-cta {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: #FFFFFF; /* Branco no topo */
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition), transform var(--transition);
}

header.scrolled .theme-toggle,
header.menu-open .theme-toggle {
    color: var(--text-main);
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: #FFFFFF; /* Branco no topo */
    font-size: 1.5rem;
    align-items: center;
    justify-content: center;
    transition: color var(--transition), transform var(--transition);
}

header.scrolled .mobile-menu-btn,
header.menu-open .mobile-menu-btn {
    color: var(--text-main);
}

.mobile-menu-btn:hover {
    transform: scale(1.1);
}

/* Fix colors when menu is open */
header.menu-open {
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
}
header.menu-open .brand-logo {
    filter: none;
}
[data-theme="dark"] header.menu-open .brand-logo {
    filter: brightness(0) invert(1);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff !important;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #fff !important;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 120%; /* for parallax */
    background-size: cover;
    background-position: center;
    z-index: -2;
    transition: opacity 1s ease-in-out;
}

/* Slideshow backgrounds - unsplash premium minimal tech/office */
.hero-bg.slide-1 { background-image: url('https://images.unsplash.com/photo-1460925895917-afdab827c52f?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80'); }
.hero-bg.slide-2 { background-image: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80'); }
.hero-bg.slide-3 { background-image: url('https://images.unsplash.com/photo-1504868584819-f8e8b4b6d7e3?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80'); }

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.65);
    z-index: -1;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(90, 192, 255, 0.15) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 0;
    transition: opacity 0.3s;
    opacity: 0;
}

.hero:hover .hero-glow {
    opacity: 1;
}

.hero-content {
    max-width: 800px;
    z-index: 1;
    color: #ffffff; /* always white in hero */
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    color: #e0e0e0;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    position: relative;
    z-index: 99;
}

.hero-cta .btn {
    min-width: 200px;
    position: relative;
    z-index: 100;
}

/* Trust Bar */
.trust-bar {
    padding: 2rem 0;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    overflow: hidden;
    position: relative;
    z-index: 2;
}

.trust-title {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.marquee-container {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    display: flex;
}

.marquee-content {
    display: flex;
    gap: 4rem;
    animation: marquee 25s linear infinite;
    padding-left: 4rem; /* compensar gap inicial */
}

.trust-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-secondary);
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

.trust-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    color: var(--primary-color);
}

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

.services-intro {
    padding: 6rem 5% 1rem;
    background-color: var(--bg-page);
    transition: background-color var(--transition);
}

.services-parallax {
    position: relative;
    padding: 3rem 5% 6rem;
    background-image: url('https://images.unsplash.com/photo-1497366216548-37526070297c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80'); /* Imagem abstrata premium de escritório/tech */
    background-size: cover;
    background-attachment: fixed; /* Efeito Parallax nativo */
    background-position: center;
    z-index: 1;
}

/* Camada de sobreposição adaptativa para preservar legibilidade */
.services-parallax::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(249, 250, 251, 0.90); /* Overlay Claro */
    z-index: -1;
    transition: background-color var(--transition);
}

[data-theme="dark"] .services-parallax::before {
    background-color: rgba(18, 18, 18, 0.90); /* Overlay Escuro */
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    justify-content: center;
}

.services-grid .service-card {
    flex: 1 1 260px;
    max-width: 280px; /* Evita que os cards fiquem grandes demais se sobrarem poucos na linha */
}

.service-card {
    background-color: transparent;
    perspective: 1000px;
    height: 320px;
}

.service-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0.2, 0.2, 1);
    transform-style: preserve-3d;
}

.service-card.flipped .service-card-inner {
    transform: rotateY(180deg);
}

.service-card-front, .service-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    background-color: var(--bg-card);
    padding: 2rem 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: var(--transition);
}

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

.service-card-back {
    transform: rotateY(180deg);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card h3 {
    font-size: 1.15rem;
    color: var(--text-main);
}

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

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 1rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color var(--transition);
}

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

.faq-icon {
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer p {
    padding-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Float WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    animation: pulse 2s infinite;
    transition: transform var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Pre-Footer CTA */
.pre-footer-cta {
    position: relative;
    padding: 8rem 5%;
    text-align: center;
    background-image: url('https://images.unsplash.com/photo-1551434678-e076c223a692?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80'); /* Imagem Tech/Data/Team Premium */
    background-size: cover;
    background-attachment: fixed; /* Efeito Parallax */
    background-position: center;
    border-top: 1px solid var(--border-color);
    z-index: 1;
}

.pre-footer-cta::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(10, 15, 25, 0.88); /* Overlay escuro para alto contraste */
    z-index: -1;
}

.pre-footer-cta .cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.pre-footer-cta h2 {
    font-size: 2.2rem;
    color: #ffffff; /* Forçar branco absoluto */
    margin-bottom: 1rem;
    font-weight: 700;
}

.pre-footer-cta p {
    color: #e2e8f0; /* Cinza bem claro */
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-big-btn {
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
    display: inline-block;
}

/* Footer */
footer {
    background-color: var(--bg-page);
    padding: 4rem 5% 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-col {
    flex: 1 1 200px;
}

.about-col {
    flex: 2 1 300px;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
    max-width: 80%;
}

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

.social-links a {
    color: var(--text-secondary);
    transition: color var(--transition), transform var(--transition);
}

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

.footer-col h4 {
    margin-bottom: 1.25rem;
    color: var(--text-main);
    font-size: 1.1rem;
}

.footer-logo {
    height: 30px;
    width: auto;
    display: block;
    margin-bottom: 1.25rem;
    transition: filter var(--transition);
}

[data-theme="dark"] .footer-logo {
    filter: brightness(0) invert(1);
}

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

.footer-col a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color var(--transition);
}

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

.footer-icon {
    width: 16px;
    height: 16px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

.badge svg {
    width: 16px;
    height: 16px;
}

/* Animations (Intersection Observer) */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Modal & Lead Capture Form (Conversion Engineering)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    position: relative;
    transform: translateY(30px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.5rem; right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition);
}

.modal-close:hover {
    color: var(--text-main);
}

.modal-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.modal-header p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

/* Multi-step Form */
.multi-step-form {
    position: relative;
    min-height: 200px;
}

.form-step {
    position: absolute;
    top: 0; left: 0; width: 100%;
    opacity: 0;
    transform: translateX(50px);
    pointer-events: none;
    transition: all 0.4s ease;
}

.form-step.active {
    position: relative;
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
}

.form-step.completed {
    transform: translateX(-50px);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-page);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(90, 192, 255, 0.2);
}

/* Validação Visual */
.form-group.invalid input {
    border-color: #ff4d4f;
}

.error-msg {
    color: #ff4d4f;
    font-size: 0.8rem;
    margin-top: 0.3rem;
    display: none;
}

.form-group.invalid .error-msg {
    display: block;
}

.step-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.step-actions button {
    flex: 1;
}

/* Button Loading & Success States */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spin-icon {
    animation: spin 1s linear infinite;
    display: inline-block;
}

/* Efeito Magnético Hover Setup */
.magnetic-btn {
    will-change: transform;
}

/* ==========================================================================
   AI Chatbot Widget
   ========================================================================== */
#ai-chat-container {
    position: fixed;
    bottom: 100px;
    right: 30px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.ai-chat-trigger {
    background: linear-gradient(135deg, #4f46e5 0%, #0ea5e9 100%);
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
    border: none;
    cursor: pointer;
    transition: transform var(--transition);
    animation: pulse-ai 2s infinite;
}

.ai-chat-trigger:hover {
    transform: scale(1.1);
}

@keyframes pulse-ai {
    0% { box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.6); }
    70% { box-shadow: 0 0 0 15px rgba(14, 165, 233, 0); }
    100% { box-shadow: 0 0 0 0 rgba(14, 165, 233, 0); }
}

.ai-chat-window {
    width: 350px;
    max-width: calc(100vw - 40px);
    height: 500px;
    max-height: calc(100vh - 180px); /* Garante que não ultrapasse o topo da tela */
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    display: none;
    flex-direction: column;
    overflow: hidden;
    margin-bottom: 15px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px) scale(0.95);
    transform-origin: bottom right;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.ai-chat-window.open {
    display: flex;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.ai-chat-header {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #fff;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-chat-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

#ai-chat-close {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

#ai-chat-close:hover {
    opacity: 1;
}

.ai-chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .ai-chat-messages {
    background-color: rgba(255, 255, 255, 0.02);
}

.ai-message {
    max-width: 85%;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.4;
    word-wrap: break-word;
}

.ai-message-bot {
    align-self: flex-start;
    background-color: var(--bg-page);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-bottom-left-radius: 2px;
}

.ai-message-user {
    align-self: flex-end;
    background-color: var(--primary-color);
    color: #fff;
    border-bottom-right-radius: 2px;
}

.ai-chat-input-area {
    display: flex;
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-card);
    gap: 0.5rem;
}

#ai-chat-input {
    flex: 1;
    background-color: var(--bg-page);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.2s;
}

#ai-chat-input:focus {
    border-color: var(--primary-color);
}

#ai-chat-send {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
}

#ai-chat-send:hover {
    background-color: var(--primary-hover);
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 0.8rem 1rem;
    align-self: flex-start;
    background-color: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    border-bottom-left-radius: 2px;
    width: fit-content;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    header {
        padding: 1rem 5%;
    }
    
    .brand-logo {
        height: 28px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--bg-page);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateY(-100%);
        transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 998;
    }

    nav.active {
        transform: translateY(0);
    }

    nav ul { 
        display: flex !important;
        flex-direction: column;
        gap: 2rem;
        align-items: center;
    }

    nav a {
        font-size: 1.5rem;
        color: var(--text-main) !important;
    }

    .hero {
        padding: 0 5%;
    }

    .hero-title { 
        font-size: 2.25rem; 
        margin-top: 2rem;
    }

    .hero-subtitle { 
        font-size: 1rem; 
        margin-bottom: 2rem;
    }

    .hero-cta { 
        flex-direction: column; 
        width: 100%; 
        max-width: 350px; 
        margin: 0 auto; 
    }

    .hero-cta .btn {
        width: 100%;
        display: block;
    }

    .section-title { 
        font-size: 1.75rem; 
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .services-intro {
        padding: 4rem 5% 1rem;
    }
    
    .services-parallax {
        padding: 1rem 5% 4rem;
    }

    .services-grid {
        gap: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    footer {
        padding: 3rem 5% 2rem;
    }
}

/* CRM Pre-Chat Form */
.ai-pre-chat {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex-grow: 1;
}

.ai-pre-chat p {
    font-size: 0.9rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.ai-pre-chat input {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.ai-pre-chat input:focus {
    border-color: var(--primary-color);
}

.ai-btn-start {
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.ai-btn-start:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.ai-chat-body {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    overflow: hidden;
}

.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }