/* Acervo de acolhimento por idade — base comum. Cada fase carrega também o seu idade-*.css */

body.ai {
    --bg: #fff;
    --bg-alt: #f6f6f6;
    --ink: #1a1a1a;
    --muted: #555;
    --line: rgba(0, 0, 0, 0.14);
    --line-strong: var(--line);
    --accent: #c2185b;
    --on-accent: #fff;
    --accent-2: #1565c0;
    --on-accent-2: #fff;
    --card: #fff;
    --hl-bg: var(--accent);
    --hl-ink: var(--on-accent);
    --radius: 16px;
    --f-display: Georgia, serif;
    --f-body: system-ui, sans-serif;
    --f-note: var(--f-body);
    --d-weight: 600;
    --d-transform: none;
    --d-track: 0;
    --base: 1rem;
    margin: 0;
    background: var(--bg) !important;
    color: var(--ink);
    font-family: var(--f-body);
    font-size: var(--base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.ai h1, .ai h2, .ai h3, .ai h4 {
    margin: 0;
    font-family: var(--f-display) !important;
    font-weight: var(--d-weight) !important;
    text-transform: var(--d-transform);
    letter-spacing: var(--d-track);
    line-height: 1.05;
    color: inherit !important;
}
.ai p { margin: 0; }
.ai a { color: inherit; }
.ai b, .ai strong { font-weight: 700; }
.ai .sr-only {
    position: absolute !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}
.ai .br-ghost { display: none; }

.br-hl {
    padding: 0 0.18em;
    border-radius: calc(var(--radius) / 3);
    background: var(--hl-bg);
    color: var(--hl-ink);
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
}
.br-title, .br-h { display: block; }
.br-script { color: var(--accent); }
.br-title > span:nth-child(3),
.br-h > span:nth-child(3) { display: block; }

/* ---------- Capa ---------- */
.br-hero {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: clamp(560px, 88svh, 860px);
    overflow: hidden;
    background: var(--hero-bg, var(--bg));
}
.br-hero > * { position: relative; z-index: 1; }
.br-hero > .af-age {
    position: absolute;
    z-index: 0;
    top: 50%;
    right: 5%;
    margin: 0;
    transform: translateY(-50%);
    font-family: var(--f-display);
    font-weight: var(--d-weight);
    font-size: clamp(7rem, 20vw, 17rem);
    line-height: 1;
    white-space: nowrap;
    color: var(--age-color, var(--accent));
    opacity: var(--age-opacity, 1);
    pointer-events: none;
    user-select: none;
}
.br-top {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: start;
    gap: 1rem;
    padding: 2rem 6% 0;
    font-size: 0.85rem;
    line-height: 1.3;
}
.br-top b { display: block; }
.br-top span { color: var(--muted); }
.br-top a { font-weight: 700; text-decoration: none; }
.br-top a:hover { text-decoration: underline; }
.br-top > :last-child { justify-self: end; text-align: right; padding-right: 3.75rem; }
.br-hero-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem 6% 4rem;
}
.br-kicker {
    display: inline-block;
    margin-bottom: 1.1rem;
    font-family: var(--f-note);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kicker, var(--accent));
}
.br-title { max-width: 12ch; font-size: clamp(3rem, 7vw, 5.8rem) !important; line-height: 0.95 !important; }
.br-hero-body { max-width: 30rem; margin-top: 2rem; }
.br-hero-body h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem) !important; line-height: 1.15 !important; }
.br-just { margin-top: 1rem !important; font-size: 1.1rem; }
.af-for {
    margin-top: 1.25rem !important;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
    font-size: 0.95rem;
    color: var(--muted);
}
.af-for b { color: var(--ink); }
.br-hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.75rem;
    padding: 0.85rem 1.4rem;
    border-radius: 999px;
    background: var(--accent);
    color: var(--on-accent) !important;
    font-size: 0.92rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease;
}
.br-hero-cta::after { content: "↓"; }
.br-hero-cta:hover { transform: translateY(-2px); }

/* ---------- Navegação entre fases ---------- */
.af-phases {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 0 6%;
    background: var(--nav-bg, var(--bg));
    color: var(--nav-ink, var(--ink));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.af-phases ol {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.4rem;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0.55rem 0;
    list-style: none;
}
.af-phases a {
    display: grid;
    gap: 0.05rem;
    height: 100%;
    padding: 0.5rem 0.75rem;
    box-sizing: border-box;
    border-radius: calc(var(--radius) * 0.6);
    text-decoration: none;
    transition: background 0.2s ease;
}
.af-phases a:hover { background: var(--nav-hover, var(--bg-alt)); }
.af-phases i { font-style: normal; font-size: 0.75rem; opacity: 0.7; }
.af-phases strong {
    font-family: var(--f-display);
    font-weight: var(--d-weight);
    font-size: 1rem;
    line-height: 1.1;
    text-transform: var(--d-transform);
}
.af-phases small { font-size: 0.72rem; opacity: 0.75; }
.af-phases a[aria-current="page"] { background: var(--nav-current, var(--accent)); color: var(--nav-current-ink, var(--on-accent)); }

/* ---------- Seções ---------- */
.br-sec { position: relative; padding: clamp(3.5rem, 8vw, 6.5rem) 6%; }
.br-sec:nth-of-type(even) { background: var(--bg-alt); }
.br-wrap { max-width: 1120px; margin: 0 auto; }
.br-h { font-size: clamp(2.3rem, 5vw, 3.8rem) !important; }
.br-sub {
    margin-top: 0.9rem !important;
    font-family: var(--f-display);
    font-size: clamp(1.25rem, 2.4vw, 1.7rem);
    line-height: 1.3;
}
.br-lead { max-width: 38rem; margin-top: 1.25rem !important; font-size: 1.05rem; line-height: 1.7; color: var(--muted); }
.br-lead b { color: var(--ink); }

.af-marks div,
.af-topic,
.af-mat,
.br-steps li,
.af-signs li,
.af-drawbox,
.br-alert,
.br-next a {
    background: var(--card);
    border: var(--card-border, 1px solid var(--line));
    border-radius: var(--radius);
    box-shadow: var(--card-shadow, none);
}

.af-marks {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
}
.af-marks div { position: relative; padding: 1.5rem 1.35rem; }
.af-marks i {
    display: inline-grid;
    place-items: center;
    min-width: 2rem;
    height: 2rem;
    padding: 0 0.45rem;
    box-sizing: border-box;
    border-radius: 999px;
    background: var(--accent-2);
    color: var(--on-accent-2);
    font-style: normal;
    font-size: 0.8rem;
    font-weight: 700;
}
.af-marks h3 { margin-top: 0.9rem !important; font-size: 1.45rem !important; }
.af-marks p { margin-top: 0.5rem !important; font-size: 0.95rem; color: var(--muted); }

.af-topics {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
}
.af-topic {
    position: relative;
    grid-column: span 2;
    display: flex;
    flex-direction: column;
    padding: 1.6rem 1.4rem 1.4rem;
}
.af-topic:nth-child(4),
.af-topic:nth-child(5) { grid-column: span 3; }
.af-topic > span {
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
}
.af-topic h3 { margin-top: 0.5rem !important; font-size: 1.65rem !important; }
.af-topic > p { margin: 0.75rem 0 1.25rem !important; font-size: 0.97rem; color: var(--muted); }
.af-topic > .af-try {
    margin: auto 0 0 !important;
    padding: 0.9rem 1rem;
    border-radius: calc(var(--radius) * 0.6);
    background: var(--try-bg, var(--bg-alt));
    color: var(--try-ink, var(--ink));
    font-size: 0.95rem;
    line-height: 1.5;
}
.af-try b {
    display: block;
    margin-bottom: 0.2rem;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--try-label, var(--accent));
}

/* Praticar */
.af-practice {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
    margin-top: 0.5rem;
}
.br-steps {
    display: grid;
    gap: 0.85rem;
    margin: 1.75rem 0 0;
    padding: 0;
    list-style: none;
    counter-reset: st;
}
.br-steps li {
    counter-increment: st;
    display: grid;
    grid-template-columns: 2.4rem 1fr;
    gap: 0.9rem;
    align-items: start;
    padding: 1rem;
    border-radius: calc(var(--radius) * 0.75);
    color: var(--muted);
}
.br-steps li::before {
    content: counter(st);
    display: grid;
    place-items: center;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 50%;
    background: var(--accent);
    color: var(--on-accent);
    font-family: var(--f-display);
    font-weight: 700;
}
.br-steps b { display: block; font-family: var(--f-display); font-size: 1.15rem; color: var(--ink); }
.af-drawbox {
    margin-top: 1.5rem;
    padding: 1.75rem;
    background: var(--draw-bg, var(--card));
    color: var(--draw-ink, var(--ink));
}
.af-drawbox > span {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
}
.af-drawbox h3 { margin-top: 0.4rem !important; font-size: 1.8rem !important; }
.br-draw { display: grid; justify-items: start; gap: 1rem; margin-top: 1.25rem; }
.br-draw-card {
    display: grid;
    align-items: center;
    width: 100%;
    min-height: 6.5rem;
    padding: 1.25rem 1.4rem;
    box-sizing: border-box;
    border: 2px dashed var(--line-strong);
    border-radius: calc(var(--radius) * 0.7);
    font-family: var(--f-display);
    font-size: 1.3rem;
    line-height: 1.3;
}
.br-draw-card.is-pop { animation: ai-pop 0.6s ease; }
@keyframes ai-pop {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
    to { opacity: 1; transform: none; }
}
.br-btn {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.8rem 1.5rem;
    border: 0;
    border-radius: 999px;
    background: var(--accent);
    color: var(--on-accent) !important;
    font-family: var(--f-body);
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.15s ease, filter 0.15s ease;
}
.br-btn:hover { transform: translateY(-2px); filter: brightness(1.05); }
.ai a:focus-visible,
.br-btn:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 3px; }

/* Sinais */
.af-signs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem 1.5rem;
    margin: 2rem 0 0;
    padding: 0;
    list-style: none;
    counter-reset: sg;
}
.af-signs li {
    counter-increment: sg;
    display: grid;
    grid-template-columns: 2rem 1fr;
    gap: 0.75rem;
    padding: 1rem 1.1rem;
    border-radius: calc(var(--radius) * 0.6);
}
.af-signs li::before {
    content: counter(sg);
    display: grid;
    place-items: center;
    width: 1.8rem;
    height: 1.8rem;
    box-sizing: border-box;
    border: 2px solid var(--accent);
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
}
.af-who {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    max-width: 48rem;
    margin-top: 2rem !important;
    padding: 1.25rem 1.4rem;
    border-left: 5px solid var(--accent);
    border-radius: calc(var(--radius) * 0.6);
    background: var(--card);
}
.af-who b { font-family: var(--f-display); font-size: 1.2rem; }

/* Materiais */
.af-mats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
}
.af-mat { padding: 1.6rem 1.4rem; }
.af-mat span {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: var(--bg-alt);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
}
.af-mat h3 { margin-top: 0.85rem !important; font-size: 1.5rem !important; }
.af-mat p { margin-top: 0.5rem !important; font-size: 0.95rem; color: var(--muted); }
.af-mats-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: 1.75rem; }
.af-mats-foot a:not(.br-btn) { font-weight: 700; text-underline-offset: 4px; }

/* Aviso e continuar */
.br-alert { max-width: 44rem; margin: 0 auto; padding: 2rem; text-align: center; }
.br-alert h2 { font-size: clamp(2rem, 4.5vw, 3rem) !important; }
.br-alert .br-just { margin-top: 1rem !important; color: var(--muted); }
.br-next {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 64rem;
    margin: 2.5rem auto 0;
}
.br-next a {
    display: grid;
    align-content: start;
    gap: 0.4rem;
    padding: 1.5rem;
    text-decoration: none;
    transition: transform 0.2s ease;
}
.br-next a:hover { transform: translateY(-3px); }
.br-next span {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
}
.br-next h3 { font-size: 1.7rem !important; }
.br-next p { font-size: 0.93rem; color: var(--muted); }

/* Publicidade e rodapé */
.ai .site-ad-section { background: transparent !important; border: 0 !important; }
.br-foot {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    padding: 2rem 6% 5.5rem;
    border-top: 1px solid var(--line);
    font-size: 0.85rem;
}
.br-foot b { display: block; }
.br-foot nav { display: flex; flex-wrap: wrap; gap: 1rem; justify-self: end; }
.br-foot a { font-weight: 600; text-decoration: none; }
.br-foot a:hover { text-decoration: underline; }


/* ---------- Responsivo ---------- */
@media (max-width: 1260px) {
    .af-phases { padding-right: 5rem; }
}
@media (max-width: 1024px) {
    .af-phases ol { grid-template-columns: repeat(6, minmax(8.5rem, 1fr)); overflow-x: auto; scrollbar-width: none; }
    .af-phases ol::-webkit-scrollbar { display: none; }
    .af-marks,
    .af-topics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .af-topic,
    .af-topic:nth-child(4),
    .af-topic:nth-child(5) { grid-column: auto; }
    .af-topic:last-child:nth-child(odd) { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
    .br-hero > .af-age { top: 5.5rem; right: 4%; transform: none; font-size: clamp(5.5rem, 26vw, 10rem); }
    .br-hero-main { justify-content: flex-end; }
    .af-practice { grid-template-columns: 1fr; }
    .af-drawbox { margin-top: 0; }
    .af-mats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .br-next { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
    .af-phases { padding: 0 4.5rem 0 0.5rem; }
    .br-top { grid-template-columns: 1fr 1fr; padding-top: 1.5rem; }
    .br-top > :nth-child(2) { display: none; }
    .af-marks, .af-topics, .af-signs, .af-mats { grid-template-columns: 1fr; }
    .af-topic:last-child:nth-child(odd) { grid-column: auto; }
    .af-who { grid-template-columns: 1fr; }
    .br-foot { grid-template-columns: 1fr; }
    .br-foot nav { justify-self: start; }
}
@media (prefers-reduced-motion: reduce) {
    .br-draw-card.is-pop { animation: none; }
}