:root {
    --color-primary: #004D43;
    /* Verde Petróleo */
    --color-primary-dark: #00332c;
    --color-highlight: #D0FF71;
    /* Verde Limão */
    --color-highlight-hover: #bce666;
    --color-text-light: #F5F5F5;
    --color-text-dark: #004D43;
    --color-bg-light: #ffffff;
    --color-bg-gray: #f4f6f8;
    --color-border: #e0e0e0;

    --font-heading: 'Roundo', 'Albert Sans', sans-serif;
    --font-body: 'Albert Sans', sans-serif;

    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    --container-width: 1200px;
    --border-radius: 8px;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    line-height: 1.6;
    background-color: var(--color-bg-light);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--color-primary);
}

.text-highlight {
    color: var(--color-highlight);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    text-align: center;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-sm);
}

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

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

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

.btn-secondary:hover {
    background-color: var(--color-highlight);
    color: var(--color-primary);
}

.btn-dark {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border: 2px solid var(--color-primary);
}

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

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(0, 77, 67, 0.95), rgba(0, 77, 67, 0.85));
    /* Fallback for image */
    color: var(--color-text-light);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('hero-bg-placeholder.jpg');
    /* Placeholder */
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    z-index: -1;
}

.hero h1 {
    font-size: 3rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
}

.logo {
    max-width: 250px;
    height: auto;
    margin: 0 auto var(--spacing-md);
    display: block;
}

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
    opacity: 0.9;
}

/* Pain Points Section */
.pain-points {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg-gray);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.pain-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-primary);
}

.pain-card h3 {
    color: var(--color-primary);
    font-size: 1.2rem;
}

/* Solution Section */
.solution {
    padding: var(--spacing-lg) 0;
}

.solution-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-lg);
}

.solution-text {
    flex: 1;
    min-width: 300px;
}

.solution-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    max-width: 500px;
    /* Prevent it from getting too huge */
}

.solution ul {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.solution li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.solution li::before {
    content: '✓';
    color: var(--color-primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Why Choose Us */
.why-choose {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    padding: var(--spacing-lg) 0;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.why-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.why-icon {
    color: var(--color-highlight);
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* Target Audience */
.audience {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg-gray);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.audience-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    border-bottom: 4px solid var(--color-primary);
    transition: transform 0.3s;
}

.audience-card:hover {
    transform: translateY(-5px);
}

/* How It Works */
.how-it-works {
    padding: var(--spacing-lg) 0;
}

.steps {
    position: relative;
    max-width: 800px;
    margin: var(--spacing-md) auto 0;
}

.step-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    align-items: flex-start;
}

.step-number {
    background-color: var(--color-primary);
    color: var(--color-highlight);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* Final CTA */
.final-cta {
    background-color: var(--color-primary-dark);
    color: var(--color-text-light);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: transform 0.3s;
}

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

/* Footer */
footer {
    background-color: #222;
    color: #aaa;
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 3rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .solution-content {
        flex-direction: column-reverse;
    }

    .solution-image {
        width: 100%;
        height: 250px;
    }
}