:root {
    --primary-color: #1e2d26;
    --primary-gradient: linear-gradient(135deg, #1a2420 0%, #2d3d34 100%);
    --secondary-color: #4a6b5c;
    --accent-color: #b8a369;
    --accent-soft: #c9c5b8;
    --text-color: #2a2a2a;
    --text-muted: #5c5c5c;
    --light-bg: #f4f3ef;
    --white: #ffffff;
    --dark-bg: #141816;
    --dark-gradient: linear-gradient(135deg, #1a1d1b 0%, #0f1210 100%);
    --header-bg: linear-gradient(160deg, #121816 0%, #1c2520 45%, #243028 100%);
    --border-radius: 12px;
    --box-shadow: 0 8px 32px rgba(15, 18, 16, 0.08);
    --box-shadow-soft: 0 4px 24px rgba(15, 18, 16, 0.06);
    --transition: all 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 0;
}

.highlight {
    color: var(--secondary-color);
    font-weight: 600;
}

.header-eyebrow {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.75;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.section-lead {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 720px;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.section-lead--light {
    color: #666;
}

.deadline-section {
    background: var(--white);
}

.deadline-content {
    max-width: 800px;
}

.deadline-intro {
    font-size: 1.1rem;
    line-height: 1.75;
    margin-bottom: 1.75rem;
    color: var(--text-color);
}

.deadline-highlight {
    background: linear-gradient(135deg, rgba(74, 107, 92, 0.08) 0%, rgba(184, 163, 105, 0.1) 100%);
    border-left: 3px solid var(--accent-color);
    padding: 1.5rem 1.75rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.75rem;
}

.deadline-highlight h3 {
    color: var(--primary-color);
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.deadline-highlight p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.7;
}

.deadline-note-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.deadline-factors {
    list-style: none;
    margin-bottom: 1.5rem;
}

.deadline-factors li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    margin-bottom: 0.65rem;
    color: var(--text-muted);
    line-height: 1.55;
    font-size: 1.02rem;
}

.deadline-bullet {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-color);
    margin-top: 0.55rem;
    flex-shrink: 0;
}

.deadline-closing {
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--text-color);
    padding-top: 0.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

/* Particles Background */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}

/* Header Styles */
header {
    position: relative;
    color: var(--white);
    padding: 4rem 0;
    overflow: hidden;
    z-index: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--header-bg);
    min-height: 250px;
    display: flex;
    align-items: center;
}

header:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0,0,0,0) 0%, rgba(0,0,0,0.3) 100%);
    z-index: 0;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    flex: 1;
    min-width: 100px;
    display: flex;
}

.logo-left {
    text-align: left;
    justify-content: flex-start;
}

.logo-right {
    text-align: right;
    justify-content: flex-end;
}

.logo-placeholder {
    background-color: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 150px;
    height: 80px;
    position: relative;
    z-index: 2;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.logo-placeholder:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.logo-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
}

.title-container {
    flex: 2;
    text-align: center;
    position: relative;
    z-index: 2;
}

header h1 {
    font-size: 2.15rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    font-weight: 600;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
    line-height: 1.2;
}

header h2 {
    font-size: 1.35rem;
    font-weight: 400;
    opacity: 0.88;
    letter-spacing: 0.04em;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.25);
}

/* Main Content */
main {
    padding: 2rem 0;
    background-color: var(--light-bg);
    position: relative;
    z-index: 2;
}

section {
    margin-bottom: 4rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
}

section:hover {
    box-shadow: 0 12px 40px rgba(15, 18, 16, 0.1);
}

section .container {
    padding: 2.5rem;
}

section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 2rem;
    position: relative;
    padding-bottom: 0.8rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

section h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 50px;
}

/* Intro Section */
.intro {
    background-color: var(--white);
    text-align: center;
    padding: 1rem 0;
}

.intro p {
    font-size: 1.25rem;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

/* What is AI Section */
.what-is-ai {
    background: var(--primary-gradient);
    color: var(--white);
}

.what-is-ai h2 {
    color: var(--white);
}

.what-is-ai h2:after {
    background: linear-gradient(90deg, var(--white), rgba(255, 255, 255, 0.5));
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    background-color: rgba(255, 255, 255, 0.15);
}

.icon-container {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--white);
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--white);
    font-weight: 600;
    font-size: 1.4rem;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* Serviço único — premium */
.service-single {
    max-width: 720px;
    margin: 0 auto;
}

.service-hero-card {
    background-color: rgba(255, 255, 255, 0.06);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: var(--box-shadow-soft);
}

.service-hero-icon {
    width: 64px;
    height: 64px;
    background: rgba(184, 163, 105, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-hero-icon i {
    font-size: 1.75rem;
    color: var(--accent-color);
}

.service-hero-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.service-lead {
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.75;
    font-size: 1.05rem;
    margin-bottom: 1.25rem;
}

.service-tech-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.service-tech-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.98rem;
    margin-bottom: 0.6rem;
    line-height: 1.5;
}

.service-tech-list i {
    color: var(--accent-color);
    margin-top: 0.2rem;
    font-size: 0.85rem;
}

.logo-placeholder--client {
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.97);
}

.logo-placeholder--client .logo-text {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--primary-color);
}

/* Benefits Section */
.benefits {
    background: linear-gradient(to right, #f8f9fa, #e9ecef);
}

.benefits-list {
    list-style-type: none;
}

.benefits-list li {
    margin-bottom: 1.2rem;
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    font-size: 1.05rem;
    padding: 1rem 1.1rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.benefits-list li:hover {
    background-color: var(--white);
    transform: translateX(5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.benefits-list > li > i {
    color: var(--primary-color);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.2em;
}

.benefits-item-text {
    flex: 1;
    min-width: 0;
    line-height: 1.55;
}

.benefits-item-text strong {
    font-weight: 600;
    color: var(--primary-color);
}

/* Pricing Section */
.pricing {
    background: linear-gradient(135deg, #f9f9f9, #f0f0f0);
}

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

.pricing-subtitle {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-top: -1rem;
}

.table-responsive {
    margin-bottom: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
}

.pricing-table th, 
.pricing-table td {
    padding: 1.2rem 1rem;
    text-align: center;
    border: 1px solid #eee;
}

.pricing-table th {
    background: var(--primary-gradient);
    color: var(--white);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.pricing-table th:first-child,
.pricing-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.pricing-table tr:nth-child(even) {
    background-color: rgba(46, 74, 60, 0.05);
}

.pricing-table .subtotal,
.pricing-table .total,
.pricing-table .setup {
    font-weight: bold;
}

.pricing-table .total {
    background-color: rgba(46, 74, 60, 0.1);
}

.pricing-table .setup {
    background-color: rgba(46, 74, 60, 0.15);
}

.discount {
    color: #e74c3c;
    font-weight: bold;
}

.price-highlight {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.1rem;
}

/* Plano único — card premium */
.pricing-premium-card {
    max-width: 560px;
    margin: 0 auto 2rem;
}

.pricing-premium-inner {
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: var(--box-shadow);
}

.pricing-plan-name {
    font-size: 1.35rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.pricing-plan-meta {
    list-style: none;
    text-align: left;
    margin: 0 0 2rem;
    padding: 0;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.pricing-plan-meta li {
    padding: 0.85rem 0;
    font-size: 0.98rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.pricing-plan-meta li + li {
    border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.meta-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--secondary-color);
    font-weight: 600;
}

.meta-body {
    display: block;
    line-height: 1.55;
    color: var(--text-muted);
}

.meta-em {
    font-weight: 600;
    color: var(--primary-color);
}

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

.price-currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-muted);
}

.price-amount {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.03em;
    line-height: 1;
}

.price-period {
    font-size: 1.1rem;
    color: var(--text-muted);
    align-self: flex-end;
    padding-bottom: 0.35rem;
}

.summary-card--minimal .summary-items {
    margin-bottom: 0;
}

.summary-card--minimal .summary-item {
    border-left-color: var(--accent-color);
}

.summary-card--minimal .summary-value {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.05rem;
    font-weight: 500;
}

.summary-card--minimal h3 {
    margin-bottom: 1.5rem;
}

/* Pricing Summary Styles */
.pricing-summary {
    margin-top: 3rem;
}

.summary-card {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.summary-card h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--white);
}

.summary-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--white);
}

.summary-label {
    font-size: 1.1rem;
    font-weight: 500;
}

.summary-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    border: 2px solid var(--white);
}

.summary-total .summary-label {
    font-size: 1.3rem;
    font-weight: 600;
}

.summary-total .summary-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

/* Implementation Section */
.implementation {
    background: var(--primary-gradient);
    color: var(--white);
}

.implementation h2 {
    color: var(--white);
}

.implementation h2:after {
    background: linear-gradient(90deg, var(--white), rgba(255, 255, 255, 0.5));
}

.implementation .section-lead {
    color: rgba(255, 255, 255, 0.78);
}

.how-blocks {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.how-block {
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 1.5rem 1.75rem;
    transition: var(--transition);
}

.how-block:hover {
    background-color: rgba(255, 255, 255, 0.09);
}

.how-block-head {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.how-num {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent-color);
    flex-shrink: 0;
    padding-top: 0.35rem;
}

.how-block h3 {
    margin: 0;
    font-size: 1.15rem;
    color: var(--white);
    font-weight: 600;
    line-height: 1.35;
}

.how-block-list {
    list-style: none;
    margin: 0;
    padding: 0 0 0 2.25rem;
}

.how-block-list li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.98rem;
    line-height: 1.55;
}

.how-block-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent-color);
}

.how-block-list li:last-child {
    margin-bottom: 0;
}

/* Timeline Section */
.timeline-container {
    position: relative;
    padding: 2rem 0;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 15px;
    height: 100%;
    width: 3px;
    background: linear-gradient(180deg, var(--secondary-color), var(--accent-color));
    border-radius: 4px;
    opacity: 0.85;
}

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

.timeline-item {
    position: relative;
    padding-left: 45px;
    margin-bottom: 2.5rem;
}

.timeline-dot {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent-color);
    position: absolute;
    left: 2px;
    top: 5px;
    transform: translateX(-50%);
    z-index: 1;
    border: 4px solid var(--white);
    box-shadow: 0 0 0 3px var(--secondary-color);
}

.timeline-content {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.timeline-content:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-3px);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.timeline-content p {
    color: #555;
}

/* Footer */
footer {
    background: var(--dark-gradient);
    color: var(--white);
    padding: 3rem 0;
    position: relative;
    z-index: 1;
    text-align: center;
}

footer .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
}

.company-info {
    text-align: center;
    max-width: 600px;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
}

.company-info h3 {
    margin-bottom: 1rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.company-info a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.company-info a:hover {
    color: var(--accent-color);
}

.company-info p {
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    opacity: 0.9;
}

.footer-note {
    font-style: italic;
    opacity: 0.8;
    font-size: 1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.social-icons {
    display: flex;
    gap: 2.5rem;
    margin-top: 1.5rem;
    justify-content: center;
}

.social-icons a {
    color: var(--white);
    font-size: 1.8rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--accent-color);
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 992px) {
    header h1 {
        font-size: 1.85rem;
    }
    
    header h2 {
        font-size: 1.3rem;
    }
    
    .title-container {
        flex: 100%;
        order: -1;
        margin-bottom: 1.5rem;
    }
    
    .logo {
        flex: 1;
    }
    
    section h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .logo-container {
        flex-direction: column;
        padding: 0 1rem;
    }
    
    .logo {
        text-align: center;
        margin-bottom: 1rem;
        justify-content: center;
    }
    
    .logo-left, .logo-right {
        text-align: center;
        justify-content: center;
    }
    
    .timeline-container::before {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .timeline-item {
        padding-left: 0;
        padding-top: 50px;
    }
    
    .timeline-dot {
        left: 50%;
        top: 10px;
    }
    
    .pricing-table {
        min-width: unset;
        width: 100%;
    }
    
    .pricing-table th, 
    .pricing-table td {
        padding: 0.6rem 0.3rem;
        font-size: 0.85rem;
        word-break: break-word;
    }
    
    .table-responsive:after {
        display: none;
    }
    
    .pricing-table th:nth-child(n+2),
    .pricing-table td:nth-child(n+2) {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    header h1 {
        font-size: 1.45rem;
    }

    .price-amount {
        font-size: 2.15rem;
    }

    .pricing-premium-inner {
        padding: 1.75rem 1.25rem;
    }
    
    header h2 {
        font-size: 1.1rem;
    }
    
    section h2 {
        font-size: 1.6rem;
    }
    
    .intro p {
        font-size: 1.05rem;
    }
    
    .pricing-table th, 
    .pricing-table td {
        padding: 0.5rem 0.25rem;
        font-size: 0.75rem;
    }
    
    .btn {
        padding: 0.9rem 1.5rem;
    }
    
    .price-highlight {
        font-size: 0.8rem;
    }
    
    .summary-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .summary-total {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .summary-card {
        padding: 1.5rem;
    }
}