/* =============================================================================
   FormulaFlow — site institucional (raiz do domínio da plataforma)
   Aqui o gradiente e os cards expressivos têm licença; no app interno, não.
   ============================================================================= */

.site { background: var(--canvas); color: var(--ink); }
.site main, .site__nav, .site__footer { max-width: 1120px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

.site__nav {
    display: flex; align-items: center; gap: 24px;
    min-height: 72px; padding-top: 12px; padding-bottom: 12px;
}
.site__brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.site__mark {
    width: 32px; height: 32px; border-radius: var(--radius-sm);
    background: var(--brand-gradient);
    color: #fff; display: inline-flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-weight: 600;
}
.site__wordmark { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; letter-spacing: -.01em; }
.site__links { display: flex; gap: 20px; margin-left: auto; }
.site__links a { color: var(--ink-2); font-weight: 500; font-size: .9375rem; }
.site__links a:hover { color: var(--brand-primary); }

.site__hero { padding: 24px 0 48px; }
.site__hero-card {
    background: var(--brand-gradient);
    color: #fff; border-radius: 28px; padding: 64px 56px;
    box-shadow: var(--shadow-lg);
    position: relative; overflow: hidden;
}
.site__hero-card::after {
    content: ''; position: absolute; right: -140px; top: -140px;
    width: 420px; height: 420px; border-radius: 50%;
    background: rgba(255, 255, 255, .10);
}
.site__overline { font-size: .6875rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; opacity: .85; margin-bottom: 16px; }
.site__hero-card h1 {
    font-family: var(--font-display); font-weight: 500; font-size: clamp(2rem, 4.2vw, 3.25rem);
    line-height: 1.1; letter-spacing: -.02em; color: #fff; max-width: 14ch; margin: 0 0 20px;
}
.site__lead { font-size: 1.0625rem; line-height: 1.6; max-width: 56ch; opacity: .95; margin-bottom: 32px; }
.site__cta { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; position: relative; }
.site__cta .btn-light { background: #fff; color: var(--brand-primary); border: 0; font-weight: 600; }
.site__cta .btn-light:hover { background: var(--canvas); color: var(--brand-primary-hover); }
.site__cta-link { color: #fff; font-weight: 600; }
.site__cta-link i { margin-left: 4px; }

.site__section { padding: 40px 0; }
.site__section h2 { font-size: 1.75rem; font-weight: 600; letter-spacing: -.01em; margin-bottom: 8px; }
.site__section-lead { color: var(--ink-2); font-size: 1rem; max-width: 60ch; margin-bottom: 28px; }
.site__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.site__card {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 24px; box-shadow: var(--shadow-sm);
    transition: box-shadow var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.site__card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.site__card i { font-size: 1.4rem; color: var(--brand-primary); display: block; margin-bottom: 14px; }
.site__card h3 { font-size: 1.0625rem; font-weight: 600; margin-bottom: 8px; }
.site__card p { color: var(--ink-2); font-size: .9375rem; line-height: 1.55; margin: 0; }

.site__section--split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.site__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.site__list li {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md);
    padding: 16px 18px; color: var(--ink-2); font-size: .9375rem;
}
.site__list strong { color: var(--ink); }

.site__footer {
    display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
    padding-top: 32px; padding-bottom: 40px; margin-top: 24px;
    border-top: 1px solid var(--line); color: var(--ink-2); font-size: .875rem;
}
.site__footer a { color: var(--brand-primary); }

@media (max-width: 900px) {
    .site__grid { grid-template-columns: 1fr 1fr; }
    .site__section--split { grid-template-columns: 1fr; gap: 24px; }
    .site__hero-card { padding: 44px 32px; }
}
@media (max-width: 600px) {
    .site__grid { grid-template-columns: 1fr; }
    .site__links { display: none; }
    .site__hero-card { padding: 36px 24px; border-radius: 24px; }
}