/* Base Styles */
:root {
    --primary-color: #120AB0;
    --background-color: #000000;
    --text-color: #ffffff;
    --text-secondary: #cccccc;
    --accent-color: #3d2dff;
    --success-color: #00c853;
    --warning-color: #ff9100;
    --error-color: #ff3d00;
    --border-radius: 8px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

section {
    padding: 80px 0;
}

.highlight {
    color: var(--accent-color);
    font-weight: 700;
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
}

/* Mobile menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1001;
    padding: 5px;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav a {
    font-weight: 500;
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

.nav-cta {
    background-color: var(--primary-color);
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: 600;
}

.nav-cta:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

.nav-cta::after {
    display: none;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(to bottom, #000000, #0a0a2a);
    padding-top: 100px;
}

.hero-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff, #3d2dff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.cta-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cta-primary, .cta-secondary, .cta-oferta, .cta-final, .form-submit {
    display: inline-block;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.cta-primary, .cta-oferta, .cta-final {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(18, 10, 176, 0.3);
}

.cta-primary:hover, .cta-oferta:hover, .cta-final:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(61, 45, 255, 0.4);
}

.cta-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.cta-icon {
    margin-right: 8px;
}

.guarantee {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.lock-icon {
    font-size: 1rem;
}

.chat-mockup {
    background-color: #1a1a2e;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-header {
    background-color: #16213e;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    position: relative;
}

.chat-avatar::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zm-1-13h2v6h-2zm0 8h2v2h-2z"/></svg>');
    background-repeat: no-repeat;
    background-position: center;
}

.chat-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.chat-messages {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-height: 400px;
    overflow-y: auto;
}

.message {
    padding: 12px 16px;
    border-radius: 12px;
    max-width: 80%;
}

.user-message {
    background-color: #2d3748;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.ai-message {
    background-color: var(--primary-color);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message p {
    margin: 0;
}

/* Problema Section */
.problema-section {
    background-color: #0a0a1a;
}

.problema-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.2rem;
}

.problema-content .highlight {
    font-size: 1.5rem;
    margin-top: 1.5rem;
    display: block;
}

.waste-calculator {
    margin-top: 40px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 30px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.calculator-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.calculator-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.calculator-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.calculator-result {
    grid-column: 1 / -1;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.calculator-result .calculator-value {
    font-size: 2rem;
    color: var(--accent-color);
}

/* Como Funciona Section */
.como-funciona-section {
    background: linear-gradient(to bottom, #0a0a1a, #000000);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.step {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.step:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-color: var(--primary-color);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step-icon i {
    font-size: 2rem;
    color: white;
}

.features-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 10px 20px;
    border-radius: 30px;
}

.feature-check {
    font-size: 1.2rem;
}

/* Demo Section */
.demo-section {
    background-color: #000000;
}

.demo-carousel {
    max-width: 600px;
    margin: 0 auto;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.carousel-slide {
    display: none;
    padding: 20px;
    background-color: #0a0a1a;
}

.carousel-slide.active {
    display: block;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
    gap: 20px;
}

.carousel-prev, .carousel-next {
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    transition: var(--transition);
}

.carousel-prev:hover, .carousel-next:hover {
    background-color: var(--primary-color);
}

.carousel-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

.chat-demo {
    max-width: 100%;
}

/* Benefícios Section */
.beneficios-section {
    background: linear-gradient(to bottom, #000000, #0a0a1a);
}

.beneficios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.beneficio-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 30px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.beneficio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-color: var(--primary-color);
}

.beneficio-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

/* Comparativo Section */
.comparativo-section {
    background-color: #0a0a1a;
}

.comparativo-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.comparativo-col {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
}

.sem-zeeai {
    border: 1px solid rgba(255, 0, 0, 0.3);
}

.com-zeeai {
    border: 1px solid rgba(0, 255, 0, 0.3);
    background-color: rgba(18, 10, 176, 0.1);
}

.comparativo-list {
    text-align: left;
    margin-top: 20px;
}

.comparativo-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.icon-negative, .icon-positive {
    font-size: 1.2rem;
}

.icon-negative {
    color: #ff3d00;
}

.icon-positive {
    color: #00c853;
}

/* Oferta Section */
.oferta-section {
    background: linear-gradient(135deg, #000000, #120AB0);
    position: relative;
    overflow: hidden;
}

.oferta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="2"/></svg>');
    background-size: 300px 300px;
    opacity: 0.3;
}

.oferta-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: #ff3d00;
    color: white;
    padding: 8px 16px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    transform: rotate(5deg);
    box-shadow: 0 4px 10px rgba(255, 61, 0, 0.3);
}

.oferta-content {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 40px;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
    text-align: center;
}

.oferta-header {
    text-align: center;
    margin-bottom: 30px;
}

.oferta-price {
    margin-top: 20px;
    text-align: center;
}

.price-old {
    font-size: 1.5rem;
    color: var(--text-secondary);
    text-decoration: line-through;
    margin-bottom: 5px;
}

.price-new {
    font-size: 3rem;
    font-weight: 800;
    color: white;
}

.price-new span {
    font-size: 1.5rem;
    font-weight: 400;
}

.oferta-features {
    margin-bottom: 30px;
    display: inline-block;
    text-align: left;
    margin-left: auto;
    margin-right: auto;
}

.oferta-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.check-icon {
    color: var(--success-color);
    font-weight: bold;
}

.cta-oferta {
    display: block;
    text-align: center;
    font-size: 1.2rem;
}

/* Contato Section */
.contato-section {
    background-color: #000000;
}

.contato-header {
    text-align: center;
    margin-bottom: 60px;
}

.contato-header h2 {
    margin-bottom: 30px;
}

.cta-final {
    font-size: 1.2rem;
}

.contato-form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contato-form-container h3 {
    text-align: center;
    margin-bottom: 30px;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

input, textarea {
    width: 100%;
    padding: 12px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: white;
    font-family: inherit;
    transition: var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(18, 10, 176, 0.3);
}

.form-submit {
    grid-column: 1 / -1;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
}

.form-submit:hover {
    background-color: var(--accent-color);
}

/* Footer */
footer {
    background-color: #0a0a1a;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo-img {
    height: auto;
    max-width: 120px;
    margin-bottom: 15px;
}

.footer-logo h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    text-align: left;
    background: linear-gradient(135deg, #fff, #3d2dff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.footer-col h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.footer-col ul li {
    margin-bottom: 10px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive Styles - Improved */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-section .container {
        grid-template-columns: 1fr;
    }
    
    .hero-content {
        text-align: center;
        order: 1;
    }
    
    .hero-image {
        order: 0;
        margin-bottom: 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-logo {
        text-align: center;
    }
    
    .beneficios-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    header .container {
        flex-direction: row;
        gap: 15px;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    nav#main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.95);
        padding: 80px 20px 20px;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
        z-index: 999;
    }
    
    nav#main-nav.active {
        right: 0;
    }
    
    nav ul {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .waste-calculator {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    
    .features-list {
        flex-direction: column;
        align-items: center;
    }
    
    .feature {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .contato-form {
        grid-template-columns: 1fr;
    }
    
    .oferta-content {
        padding: 30px 20px;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    nav {
        width: 100%;
    }
    
    nav ul {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    section {
        padding: 50px 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    h3 {
        font-size: 1.3rem;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .cta-primary, .cta-secondary, .cta-oferta, .cta-final {
        padding: 12px 20px;
        font-size: 0.95rem;
        width: 100%;
    }
    
    .oferta-content {
        padding: 25px 15px;
    }
    
    .price-new {
        font-size: 2.5rem;
    }
    
    .price-new span {
        font-size: 1.2rem;
    }
    
    .contato-form-container {
        padding: 30px 15px;
    }
    
    .problema-content .highlight {
        font-size: 1.3rem;
    }
    
    .calculator-value {
        font-size: 1.3rem;
    }
    
    .calculator-result .calculator-value {
        font-size: 1.8rem;
    }
    
    .beneficio-card {
        padding: 20px;
    }
    
    .comparativo-col {
        padding: 20px;
    }
    
    .footer-content {
        gap: 30px;
    }
    
    /* Improved mobile navigation */
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    .logo img {
        height: 35px;
    }
}

/* Additional mobile improvements */
@media (max-width: 480px) {
    .hero-section {
        padding-top: 80px;
    }
    
    .chat-mockup {
        margin: 0 -10px;
    }
    
    .chat-messages {
        padding: 15px;
    }
    
    .message {
        padding: 10px 12px;
        max-width: 90%;
    }
    
    .message p {
        font-size: 0.9rem;
    }
    
    .step {
        padding: 20px 15px;
    }
    
    .step-icon {
        width: 60px;
        height: 60px;
    }
    
    .step-icon i {
        font-size: 1.5rem;
    }
    
    .carousel-controls {
        gap: 10px;
    }
    
    .carousel-prev, .carousel-next {
        width: 35px;
        height: 35px;
    }
    
    .dot {
        width: 8px;
        height: 8px;
    }
    
    .oferta-badge {
        top: 10px;
        right: 10px;
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    input, textarea {
        padding: 10px;
    }
    
    .form-submit {
        padding: 12px;
    }
}