/* Página do autor — estilos de layout sobre os tokens do styles.css */
[hidden] { display: none !important; }
body { margin: 0; background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); text-wrap: pretty; }
a { color: var(--color-accent-700); text-decoration: none; }
a:hover { color: var(--color-accent-600); text-decoration: underline; }
button { font: inherit; }
input, select, textarea { font: inherit; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.btn:hover { text-decoration: none; }

.page { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 72px); box-sizing: border-box; }
.rule { height: 1px; border: 0; margin: 0; background: var(--color-divider); }

/* nav */
.topnav { padding-inline: max(24px, calc((100% - 1200px) / 2 + 24px)); position: sticky; top: 0; background: var(--color-bg); z-index: 5; flex-wrap: wrap; }
.topnav .nav-brand { cursor: pointer; color: inherit; }
.topnav .nav-brand:hover { text-decoration: none; }
.social { display: flex; gap: var(--space-2); align-items: center; }
.social a { display: inline-flex; padding: 6px; color: inherit; }
.seg { display: inline-flex; gap: 2px; border: 1px solid var(--color-divider); border-radius: var(--radius-md); padding: 2px; }
.seg button { border: 0; background: transparent; color: inherit; padding: 6px 12px; font-size: 13px; cursor: pointer; border-radius: 3px; }
.seg button.active { background: color-mix(in srgb, var(--color-accent) 12%, transparent); color: var(--color-accent-700); box-shadow: inset 0 0 0 1px var(--color-accent); }
#lang-switch button { padding: 4px 10px; font-size: 12px; letter-spacing: 0.06em; }

/* text */
.kicker { display: block; font-size: 13px; line-height: 14px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent-700); }
.kicker.muted { color: color-mix(in srgb, var(--color-text) 60%, transparent); margin-top: 28px; }
h1, h2, h3 { font-family: var(--font-heading); font-weight: 400; margin: 0; }
h2 { font-size: clamp(36px, 4vw, 56px); line-height: 1.08; margin: 14px 0 0 -0.03em; }
.tagline { font-family: var(--font-heading); font-size: 24px; line-height: 1.3; margin: 14px 0 0; color: var(--color-accent-700); }
.body { font-size: 16px; line-height: 28px; margin: 14px 0 0; max-width: 58ch; color: color-mix(in srgb, var(--color-text) 85%, transparent); }
.body.justify { text-align: justify; hyphens: auto; }
.hint { font-size: 13px; margin: 14px 0 0; color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.small { font-size: 13px; color: color-mix(in srgb, var(--color-text) 70%, transparent); }
.row { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: 28px; align-items: center; }
.row.links { gap: var(--space-4); font-size: 14px; }

/* hero */
.hero { padding: calc(4 * 28px) 0 calc(3 * 28px); }
.hero h1 { font-size: clamp(44px, 6vw, 84px); line-height: 1.08; letter-spacing: -0.01em; margin: 0 0 0 -0.042em; max-width: 16ch; }
.hero h1 span { display: block; }
.hero h1 .accent { color: var(--color-accent-700); }
.lede { font-size: 17px; line-height: 28px; max-width: 58ch; margin: 42px 0 0; color: color-mix(in srgb, var(--color-text) 82%, transparent); }
.shelf { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: clamp(14px, 2.5vw, 36px); margin-top: calc(3 * 28px); align-items: start; }
.cover-btn { background: transparent; border: 0; padding: 0; text-align: left; cursor: pointer; color: inherit; width: 100%; }
.cover-btn .plate { display: block; aspect-ratio: 1093 / 1600; background: var(--color-neutral-900); overflow: hidden; box-shadow: var(--shadow-md); transition: transform .25s ease; }
.cover-btn:hover .plate { transform: translateY(-3px); }
.cover-btn img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cover-btn .t { display: block; font-family: var(--font-heading); font-size: 18px; line-height: 1.2; margin-top: 12px; }
.cover-btn .k { display: block; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; opacity: 0.6; font-feature-settings: 'tnum' 1; }

/* books */
.books { padding: calc(3 * 28px) 0; scroll-margin-top: 80px; }
.books > .kicker { margin-bottom: 28px; }
.tabs { display: flex; flex-wrap: wrap; gap: 0 var(--space-4); border-bottom: 1px solid var(--color-divider); }
.tabs button { flex: 1 1 auto; text-align: left; background: transparent; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px; padding: 0 8px 14px 0; cursor: pointer; color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.tabs button.active { border-bottom-color: var(--color-accent); color: var(--color-text); }
.tabs button.sep { border-left: 1px solid var(--color-divider); padding-left: 20px; }
.tabs .t { display: block; font-family: var(--font-heading); font-size: 22px; line-height: 1.1; }
.tabs .k { display: block; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 6px; opacity: 0.7; }
.detail { display: grid; grid-template-columns: minmax(220px, 320px) minmax(0, 1fr); gap: 28px clamp(28px, 5vw, 84px); padding-top: calc(2 * 28px); align-items: start; }
.cover-lg { margin: 0; aspect-ratio: 1093 / 1600; background: var(--color-neutral-900); overflow: hidden; }
.cover-lg img { width: 100%; height: 100%; object-fit: cover; display: block; }
.meta { display: flex; gap: var(--space-4); flex-wrap: wrap; align-items: center; margin-top: 28px; font-size: 13px; color: color-mix(in srgb, var(--color-text) 70%, transparent); font-feature-settings: 'tnum' 1; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.synopsis { font-size: 16px; line-height: 28px; margin: 14px 0 0; max-width: 62ch; text-align: justify; hyphens: auto; color: color-mix(in srgb, var(--color-text) 85%, transparent); }
.editions { display: flex; align-items: center; gap: var(--space-3); margin-top: 28px; flex-wrap: wrap; }
.editions .seg { padding: 0; gap: 0; overflow: hidden; }
.editions .seg button { border-radius: 0; }
.offers { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-3); margin-top: 28px; max-width: 640px; }
.offers .card { gap: var(--space-2); }
.price { font-family: var(--font-heading); font-size: 30px; line-height: 1; font-feature-settings: 'tnum' 1; }
.btn.disabled { opacity: 0.45; pointer-events: none; }
.soon { color: var(--color-accent-700); opacity: 1; }

/* trilogy */
.trilogy { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 28px clamp(28px, 5vw, 96px); align-items: center; padding: calc(3 * 28px) 0; }
.tri-covers { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(10px, 2vw, 24px); align-items: start; }
.trilogy h2 { font-size: clamp(32px, 3.6vw, 52px); }
.trilogy .body { max-width: 48ch; text-align: justify; hyphens: auto; margin-top: 28px; }
.tri-offer { margin-top: 28px; max-width: 320px; gap: var(--space-2); }

/* gift */
.gift { padding: calc(3 * 28px) 0; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 28px clamp(28px, 5vw, 72px); align-items: center; }
.big-num { font-family: var(--font-heading); font-weight: 400; font-size: clamp(96px, 14vw, 180px); line-height: 0.8; color: var(--color-accent); font-feature-settings: 'tnum' 1; margin-left: -0.06em; }
.gift h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.12; max-width: 24ch; }

/* author */
.author { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 28px clamp(28px, 5vw, 96px); align-items: start; padding: calc(3 * 28px) 0; scroll-margin-top: 80px; }
.portrait { margin: 0; width: min(260px, 40vw); aspect-ratio: 1; border-radius: 50%; overflow: hidden; border: 6px solid var(--color-surface); outline: 1px solid var(--color-divider); filter: sepia(0.22) saturate(0.82) contrast(1.05); }
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; display: block; }

/* newsletter */
.news { padding: calc(3 * 28px) 0; scroll-margin-top: 80px; }
.news h3 { font-size: clamp(28px, 3vw, 40px); line-height: 1.15; margin: 14px 0 0 -0.03em; max-width: 24ch; }
.news-form { display: flex; gap: var(--space-3); align-items: stretch; flex-wrap: wrap; max-width: 640px; margin-top: 28px; }
.news-form .input { flex: 1; min-width: 220px; }
.news-form .seg { padding: 0; gap: 0; overflow: hidden; }
.news-form .seg button { border-radius: 0; }

footer { border-top: 1px solid var(--color-divider); padding: 28px clamp(20px, 5vw, 72px); font-size: 13px; color: color-mix(in srgb, var(--color-text) 65%, transparent); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); }

/* thank-you page */
.thanks { padding: calc(4 * 28px) 0; max-width: 640px; }
.thanks h2 { font-size: clamp(36px, 4.5vw, 64px); }

@media (max-width: 760px) {
  .topnav { gap: var(--space-3); }
  .detail, .trilogy, .author, .gift { grid-template-columns: 1fr; }
  .cover-lg { max-width: 260px; }
  .big-num { font-size: 96px; }
  .tabs button { flex: 1 1 100%; padding-top: 12px; }
  .tabs button.sep { border-left: 0; padding-left: 0; border-top: 1px solid var(--color-divider); }
}

/* — contato — */
.contact { padding: calc(3 * 28px) 0; scroll-margin-top: 80px; }
.contact h3 { font-size: clamp(28px, 3vw, 40px); line-height: 1.15; margin: 14px 0 0 -0.03em; max-width: 24ch; }
.contact .body { max-width: 640px; }
.contact-form { max-width: 640px; margin-top: 28px; display: grid; gap: var(--space-3); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
@media (max-width: 560px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-form .row { align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.contact-form .hint { margin: 0; }
.contact-form .hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }