:root {
    --ba-blue: #005c99;
    --ba-blue-dark: #003a61;
    --ba-accent: #00b4d8;
    --ba-bg: #f5f7fb;
    --ba-text: #1f2933;
    --ba-radius: 14px;
    --ba-shadow: 0 18px 35px rgba(15, 23, 42, 0.12);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ba-text);
    background: #ffffff;
}

/* Layout genérico */

.ba-container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.ba-section {
    padding: 4rem 0;
}

.ba-section-alt {
    background: var(--ba-bg);
}

.ba-section h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.ba-section-subtitle {
    max-width: 650px;
    color: #4b5563;
}

/* Header */

.ba-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.ba-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.ba-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--ba-blue-dark);
}

.ba-logo-icon {
    font-size: 1.5rem;
}

.ba-nav {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 0.95rem;
}

.ba-nav a {
    text-decoration: none;
    color: #475569;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    transition: background 0.2s ease, color 0.2s ease;
}

.ba-nav a:hover {
    background: rgba(148, 163, 184, 0.2);
    color: var(--ba-blue-dark);
}

.ba-nav-cta {
    background: var(--ba-blue);
    color: #fff !important;
}

/* Hero */

.ba-hero {
    padding: 4.5rem 0 4rem;
    background: radial-gradient(circle at top left, #e0f4ff, #ffffff 45%);
}

.ba-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: center;
}

.ba-hero h1 {
    font-size: clamp(2.2rem, 3vw, 3.1rem);
    margin-bottom: 1rem;
}

.ba-highlight {
    color: var(--ba-blue);
}

.ba-hero p {
    font-size: 1rem;
    line-height: 1.6;
}

.ba-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0 1rem;
}

.ba-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.4rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

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

.ba-btn-secondary {
    background: #e5e7eb;
    color: #111827;
}

.ba-hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.ba-hero-badges span {
    font-size: 0.8rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: #e0f2fe;
    color: #0f172a;
}

.ba-hero-image img {
    width: 100%;
    border-radius: 1.4rem;
    box-shadow: var(--ba-shadow);
    object-fit: cover;
}

.ba-hero-caption {
    font-size: 0.8rem;
    color: #6b7280;
    margin-top: 0.5rem;
}

/* Cards */

.ba-cards-grid {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.ba-card {
    background: #ffffff;
    border-radius: var(--ba-radius);
    padding: 1.5rem;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
}

.ba-card img {
    width: 100%;
    border-radius: 1rem;
    margin-bottom: 1rem;
}

.ba-card h3 {
    margin-top: 0;
}

.ba-card ul {
    padding-left: 1.1rem;
    font-size: 0.9rem;
}

/* Two columns */

.ba-two-columns {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 2rem;
    align-items: flex-start;
}

/* Lista */

.ba-list-check {
    list-style: none;
    padding-left: 0;
}

.ba-list-check li::before {
    content: "✓ ";
    color: var(--ba-blue);
}

/* Boxes */

.ba-highlight-box {
    background: #ffffff;
    border-radius: var(--ba-radius);
    padding: 1.5rem;
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.10);
}

/* Timeline simples */

.ba-timeline {
    margin-top: 2rem;
    display: grid;
    gap: 1.5rem;
}

.ba-timeline-item {
    border-left: 3px solid var(--ba-blue);
    padding-left: 1rem;
}

/* Steps */

.ba-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.ba-step {
    background: #ffffff;
    border-radius: var(--ba-radius);
    padding: 1.3rem;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.ba-step-number {
    display: inline-flex;
    width: 32px;
    height: 32px;
    border-radius: 999px;
    align-items: center;
    justify-content: center;
    background: var(--ba-blue);
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Contato */

.ba-contact-channels p {
    margin: 0.35rem 0;
}

.ba-contact-channels a {
    color: var(--ba-blue-dark);
    text-decoration: none;
}

.ba-contact-channels a:hover {
    text-decoration: underline;
}

.ba-form {
    background: #ffffff;
    padding: 1.5rem;
    border-radius: var(--ba-radius);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1);
}

.ba-form label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.ba-form input,
.ba-form textarea {
    width: 100%;
    margin-top: 0.25rem;
    padding: 0.6rem 0.8rem;
    border-radius: 0.7rem;
    border: 1px solid #d1d5db;
    font: inherit;
}

.ba-form-note {
    font-size: 0.8rem;
    color: #6b7280;
    margin-top: 0.5rem;
}

/* Footer */

.ba-footer {
    background: #020617;
    color: #e5e7eb;
    padding: 1.5rem 0;
    margin-top: 2rem;
    font-size: 0.85rem;
}

.ba-footer-content {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

/* Responsivo */

@media (max-width: 900px) {
    .ba-hero-grid,
    .ba-two-columns {
        grid-template-columns: 1fr;
    }
    .ba-header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        height: auto;
        padding: 0.5rem 0;
    }
    .ba-nav {
        flex-wrap: wrap;
        justify-content: flex-start;
    }
}