:root {
    /* Brand Colors - Professional & Trustworthy */
    --primary-color: #2563EB;
    /* Modern Royal Blue */
    --primary-hover: #1D4ED8;
    --secondary-color: #10B981;
    /* Green for Success/Action */
    --secondary-hover: #059669;

    /* Text Colors */
    --text-heading: #1E293B;
    /* Slate 800 */
    --text-body: #475569;
    /* Slate 600 */
    --text-muted: #94A3B8;
    /* Slate 400 */

    /* Backgrounds */
    --bg-body: #F8FAFC;
    /* Very Light Slate */
    --bg-surface: #FFFFFF;
    --bg-alt: #F1F5F9;
    /* Light Gray for alternate sections */

    /* Borders & Shadows */
    --border-color: #E2E8F0;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 32px;
    --spacing-lg: 64px;
    --spacing-xl: 96px;

    --font-main: 'Inter', system-ui, sans-serif;
}

/* --- Reset & Base --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

p {
    margin-bottom: var(--spacing-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.2s ease;
}

ul {
    list-style: none;
}

/* --- Layout --- */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

/* --- Components --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: var(--shadow-md);
}

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

.btn-lg {
    font-size: 1.2rem;
    padding: 20px 40px;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: #EFF6FF;
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* --- Header --- */
.main-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    /* Centered Logo */
}

.logo-img {
    height: 80px;
    /* Large and clear */
    width: auto;
}

/* --- Hero --- */
.hero {
    text-align: center;
    padding: 60px 0 80px;
    background: radial-gradient(circle at center, #fff, var(--bg-body));
}

.hero-title {
    font-size: 3rem;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-body);
    max-width: 600px;
    margin: 0 auto 40px;
    font-weight: 400;
}

/* --- Pain (Dor) --- */
.pain-section {
    background-color: #FEF2F2;
    /* Soft red bg */
    border-top: 1px solid #FECACA;
    border-bottom: 1px solid #FECACA;
    text-align: center;
    padding: 60px 0;
}

.pain-text {
    font-size: 1.2rem;
    color: #991B1B;
    /* Dark red */
    max-width: 700px;
    margin: 0 auto;
    font-weight: 500;
}

/* --- Steps (Como funciona) --- */
.steps-section {
    background-color: var(--bg-surface);
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 60px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    text-align: center;
}

.step-item {
    padding: 20px;
}

.step-num {
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: bold;
    margin: 0 auto 24px;
}

.step-item h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

/* --- Benefits --- */
.benefits-section {
    background-color: var(--bg-alt);
}

.benefits-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.benefit-pill {
    background: #fff;
    padding: 12px 24px;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--text-heading);
    border: 1px solid var(--border-color);
}

.check-icon {
    color: var(--secondary-color);
    font-weight: 900;
}

/* --- Form (The Core) --- */
.form-section {
    padding-top: 60px;
}

.form-wrapper {
    background: #fff;
    max-width: 640px;
    margin: 0 auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.form-header {
    background: var(--bg-alt);
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
}

.form-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.form-body {
    padding: 32px;
}

.form-block {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
}

.form-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.block-title {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-heading);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 14px;
    border: 1px solid #CBD5E1;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-submit {
    width: 100%;
    background-color: var(--secondary-color);
    color: white;
    padding: 20px;
    font-size: 1.15rem;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.2);
}

.btn-submit:hover {
    background-color: var(--secondary-hover);
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.2);
}

/* --- Feedback/Confirmation --- */
.success-card {
    display: none;
    /* Hidden by default */
    text-align: center;
    padding: 40px;
    background: #F0FDF4;
    border: 1px solid #BBF7D0;
    border-radius: 12px;
    margin-top: 20px;
}

.success-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

/* --- Footer --- */
.site-footer {
    background: var(--text-heading);
    color: #94A3B8;
    padding: 40px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .form-wrapper {
        box-shadow: none;
        border: none;
        background: transparent;
    }

    .form-body {
        padding: 0;
    }

    .form-control {
        font-size: 16px;
        /* Prevent zoom on iOS */
    }
}