/* Gabi Nunes — tokens, base, components and responsive layout. */
:root {
  --color-bg: #f7f1e7;
  --color-bg-elevated: #fff;
  --color-paper: #fffcf8;
  --color-bg-alt: #efe6d8;
  --color-ink: #241c1a;
  --color-ink-soft: #635850;
  --color-plum: #6e2e52;
  --color-plum-dark: #4c1e39;
  --color-teal: #3d7c72;
  --color-teal-dark: #2a5850;
  --color-mustard: #e3a93b;
  --color-line: rgba(36, 28, 26, .14);
  --color-line-soft: rgba(36, 28, 26, .08);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --radius-sm: 6px;
  --radius-md: 12px;
  --max-width: 1120px;
  --transition: 220ms ease;
}

/* Base and keyboard access */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.15;
  text-wrap: balance;
}
p { margin: 0 0 var(--space-2); }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--color-teal-dark); outline-offset: 5px; }
section:focus, main:focus { outline: none; }
.skip-link {
  position: fixed;
  left: var(--space-2);
  top: var(--space-2);
  z-index: 200;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: #fff;
  transform: translateY(-200%);
}
.skip-link:focus { transform: translateY(0); }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-3); }
.section { padding: clamp(4.5rem, 7vw, 6.5rem) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-title { margin-bottom: var(--space-4); font-size: clamp(2.1rem, 3.8vw, 3.1rem); font-weight: 400; letter-spacing: -.035em; }
.eyebrow { display: flex; align-items: center; gap: .75rem; margin-bottom: 1.15rem; color: var(--color-plum); font-size: .7rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow-line { width: 28px; height: 1px; flex: 0 0 auto; background: currentColor; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: var(--space-3); margin-bottom: var(--space-4); padding-bottom: var(--space-3); border-bottom: 1px solid var(--color-line); }
.section-heading .section-title { margin-bottom: 0; }
.section-intro { margin: 0; color: var(--color-ink-soft); font-size: .92rem; text-align: right; }

/* Links and buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  min-height: 44px;
  max-width: 100%;
  padding: .95rem 1.45rem;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .88rem;
  line-height: 1.4;
  text-align: center;
  transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--color-plum); color: #fbf3ee; }
.btn-primary:hover { background: var(--color-plum-dark); }
.btn-primary:hover { box-shadow: 0 5px 16px -7px rgba(76, 30, 57, .45); }
.btn span[aria-hidden] { font-size: 1.1rem; }
.btn-ghost { background: transparent; border-color: var(--color-ink); }
.btn-ghost:hover { background: var(--color-ink); color: var(--color-bg); }
.btn-text { padding-inline: 0; color: var(--color-teal-dark); text-decoration: underline; text-underline-offset: 4px; }
.btn-text:hover { color: var(--color-plum); }
.btn-sm { padding: .6rem 1.1rem; font-size: .88rem; }
.btn-text.btn-sm { padding-inline: 0; }

/* Header and navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(247, 241, 231, .95);
  backdrop-filter: saturate(160%) blur(8px);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled { border-bottom-color: var(--color-line); box-shadow: 0 6px 18px -12px rgba(36, 28, 26, .15); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); min-height: 88px; padding-block: var(--space-2); }
.logo { display: inline-flex; align-items: center; gap: .8rem; font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; letter-spacing: -.025em; }
.logo-mark { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(110, 46, 82, .25); border-radius: 50%; color: var(--color-plum); font-size: 1.05rem; font-weight: 400; font-style: italic; }
.site-nav { display: flex; gap: var(--space-4); }
.nav-link { display: inline-flex; align-items: center; min-height: 44px; font-size: .85rem; font-weight: 500; text-underline-offset: 8px; text-decoration-thickness: 1px; }
.nav-link:hover, .nav-link.is-active { color: var(--color-plum-dark); text-decoration: underline; }
.nav-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 8px; border: 0; background: transparent; }
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--color-ink); transition: transform var(--transition), opacity var(--transition); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Introduction */
.hero { position: relative; padding: 3.5rem 0 4.5rem; }
.hero-inner { display: grid; grid-template-columns: 1.12fr 1fr; align-items: center; gap: 3rem; }
.hero-copy { min-width: 0; padding-bottom: 1rem; }
.hero-title { font-size: clamp(3.5rem, 6.4vw, 5.5rem); font-weight: 400; letter-spacing: -.055em; line-height: 1.05; }
.hero-title-dot { color: var(--color-plum); }
.hero-tagline { max-width: 34ch; margin-top: var(--space-3); color: var(--color-ink-soft); font-size: clamp(1.15rem, 1.65vw, 1.35rem); line-height: 1.65; }
.hero-tagline em { color: var(--color-plum); font-family: var(--font-display); font-size: 1.12em; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-3); margin-top: 2rem; }
.hero-books { position: relative; width: 100%; max-width: 450px; height: 420px; margin-left: auto; isolation: isolate; }
.hero-books::before { content: ""; position: absolute; z-index: -1; inset: .25rem 1rem 1rem; border: 1px solid rgba(110, 46, 82, .12); border-radius: 48% 48% 10px 10px; background: linear-gradient(145deg, #eee5d8, #e7ddd3 55%, #eee2e5); }
.hero-books::after { content: ""; position: absolute; z-index: -1; left: 12%; right: 6%; bottom: 2.4rem; height: 1.5rem; border-radius: 50%; background: rgba(36, 28, 26, .12); filter: blur(14px); }
.hero-book { position: absolute; width: 43%; max-width: 190px; box-shadow: 3px 4px 0 rgba(255, 252, 248, .85), 9px 16px 24px -9px rgba(36, 28, 26, .35); border-radius: 2px 4px 4px 2px; }
.hero-book img { width: 100%; border-radius: inherit; }
.hero-book-teal { top: 34px; left: 9%; transform: rotate(-9deg); }
.hero-book-plum { top: 87px; right: 8%; transform: rotate(9deg); }
.hero-book-note { position: absolute; left: 7%; bottom: 0; color: var(--color-teal-dark); font-family: var(--font-display); font-size: .88rem; font-style: italic; line-height: 1.35; transform: rotate(-7deg); }
.hero-flower { position: absolute; top: 15px; right: 3%; width: 42px; height: 42px; color: var(--color-plum); }

/* Books */
.book-grid { display: grid; gap: 2rem; }
.book-card { display: grid; grid-template-columns: 260px minmax(0, 1fr); align-items: center; gap: 3rem; padding: 2rem; border: 1px solid var(--color-line-soft); border-radius: var(--radius-md); background: var(--color-paper); box-shadow: 0 8px 28px -20px rgba(36, 28, 26, .14); }
.book-cover { display: flex; align-items: center; justify-content: center; align-self: stretch; min-height: 370px; padding: 2rem 1.8rem; border-radius: 48% 48% 6px 6px; }
.book-cover img { width: 100%; max-width: 194px; box-shadow: 3px 3px 0 rgba(255, 252, 248, .55), 8px 15px 20px -10px rgba(0, 0, 0, .45); border-radius: 2px; transition: transform var(--transition); }
.cover-teal { background: linear-gradient(155deg, #e2ece6, #cbded5); }
.cover-plum { background: linear-gradient(155deg, #efe4eb, #e1cddc); }
.book-info { min-width: 0; }
.book-kicker { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .85rem; color: var(--color-teal-dark); font-size: .65rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.book-card:nth-child(2) .book-kicker { color: var(--color-plum); }
.book-number { color: var(--color-ink-soft); font-family: var(--font-display); font-weight: 400; font-size: 1rem; letter-spacing: 0; }
.book-title { margin-bottom: 1rem; font-size: clamp(1.8rem, 3vw, 2.3rem); font-weight: 400; letter-spacing: -.035em; }
.book-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.4rem; }
.book-tags li { padding: .25rem .7rem; border: 1px solid rgba(61, 124, 114, .18); border-radius: 100px; color: var(--color-teal-dark); font-size: .68rem; }
.book-card:nth-child(2) .book-tags li { border-color: rgba(110, 46, 82, .18); color: var(--color-plum); }
.book-synopsis { max-width: 64ch; color: var(--color-ink-soft); font-size: .91rem; line-height: 1.8; }
.book-synopsis p:last-child { margin-bottom: 0; }
.book-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-3); margin-top: 1.75rem; padding-top: 1.4rem; border-top: 1px solid var(--color-line-soft); }
.availability-note { flex-basis: 100%; margin: 0; color: var(--color-ink-soft); font-size: .75rem; }

/* Author */
.about-grid { display: grid; grid-template-columns: 280px minmax(0, 1fr); align-items: center; gap: 5rem; }
.author-mark { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; aspect-ratio: 1; padding: 2rem; border: 1px solid rgba(110, 46, 82, .18); outline: 1px solid rgba(110, 46, 82, .08); outline-offset: -10px; border-radius: 48% 48% 8px 8px; background: var(--color-bg); color: var(--color-plum); font-family: var(--font-display); text-align: center; }
.author-monogram { font-size: 6rem; font-style: italic; line-height: 1; letter-spacing: -.08em; }
.author-mark-caption { margin-top: 1.5rem; color: var(--color-ink-soft); font-family: var(--font-body); font-size: .65rem; line-height: 1.8; letter-spacing: .1em; text-transform: uppercase; }
.author-mark-star { position: absolute; right: -12px; top: 22%; color: var(--color-teal-dark); font-size: 2.5rem; }
.about-text .section-title { margin-bottom: 1.5rem; }
.about-text p:not(.eyebrow) { max-width: 54ch; color: var(--color-ink-soft); font-size: 1rem; line-height: 1.85; }
.about-text p:last-child { margin-bottom: 0; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); align-items: center; gap: 5rem; }
.contact-intro > p:not(.eyebrow) { max-width: 45ch; color: var(--color-ink-soft); font-size: .95rem; }
.contact-intro .section-title { margin-bottom: 1.5rem; }
.social-list { display: flex; flex-direction: column; gap: 0; max-width: 420px; margin-top: 2rem; }
.social-list li { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .25rem 1rem; padding-block: .7rem; border-bottom: 1px solid var(--color-line); }
.social-label { display: block; color: var(--color-ink-soft); font-size: .7rem; }
.social-list a { display: inline-block; padding-block: .4rem; font-size: .8rem; font-weight: 500; overflow-wrap: anywhere; }
.social-list a:hover, .contact-email:hover { color: var(--color-plum); }
.contact-card { min-width: 0; padding: 2.5rem; border: 1px solid rgba(110, 46, 82, .15); border-top: 3px solid var(--color-plum); border-radius: var(--radius-md); background: var(--color-paper); box-shadow: 0 12px 32px -24px rgba(36, 28, 26, .18); }
.contact-icon { width: 44px; height: 44px; padding: 7px; margin-bottom: 1.2rem; border-radius: 50%; background: #f0e4ea; color: var(--color-plum); }
.contact-card h3 { margin-bottom: var(--space-2); font-size: 1.8rem; font-weight: 400; letter-spacing: -.025em; }
.contact-card > p { color: var(--color-ink-soft); font-size: .9rem; }
.contact-email { display: block; margin: 1.5rem 0; font-size: .88rem; font-weight: 500; text-decoration: underline; text-underline-offset: 5px; overflow-wrap: anywhere; }
.contact-card .contact-note { margin: var(--space-3) 0 0; font-size: .75rem; line-height: 1.7; }

/* Footer */
.site-footer { padding: 2rem 0; border-top: 1px solid var(--color-line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); color: var(--color-ink-soft); font-size: .72rem; }
.footer-brand { color: var(--color-ink); font-family: var(--font-display); font-size: 1.15rem; letter-spacing: -.025em; }
.footer-brand span { display: block; margin-top: .3rem; color: var(--color-ink-soft); font-family: var(--font-body); font-size: .65rem; letter-spacing: 0; }
.footer-inner p { margin: 0; }
.back-to-top { display: inline-flex; flex: 0 0 44px; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1.5px solid var(--color-ink); border-radius: 50%; font-size: 1.2rem; }
.back-to-top:hover { background: var(--color-ink); color: var(--color-bg); }

/* The native dialog provides keyboard containment and an inert background. */
.chapter-dialog { width: min(620px, calc(100% - 2rem)); max-height: 85vh; max-height: 85dvh; padding: 0; border: 0; border-radius: var(--radius-md); background: var(--color-bg-elevated); color: var(--color-ink); box-shadow: 0 30px 60px -20px rgba(36, 28, 26, .4); }
.chapter-dialog:not([open]) { display: none; }
.chapter-dialog::backdrop { background: rgba(36, 28, 26, .65); }
.modal-content { position: relative; padding: var(--space-4); }
.modal-close { position: absolute; top: var(--space-2); right: var(--space-2); width: 44px; height: 44px; padding: 0; border: 0; border-radius: 50%; background: var(--color-bg-alt); color: var(--color-ink); font-size: 1.5rem; }
.modal-close:hover { background: var(--color-line); }
.modal-content .eyebrow { padding-right: 3rem; }
.modal-content h2 { padding-right: var(--space-3); font-size: 1.8rem; }
.chapter-label { margin-top: var(--space-2); color: var(--color-ink-soft); font-size: .9rem; }
.chapter-text { margin: var(--space-3) 0; color: var(--color-ink-soft); }

/* Responsive and no-JavaScript navigation */
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-4); }
  .hero-inner { gap: 1.5rem; }
  .hero-books { height: 350px; }
  .hero-book-teal { top: 35px; }
  .hero-book-plum { top: 85px; }
  .hero-book-note { bottom: 5px; }
  .hero-title { font-size: clamp(3.2rem, 6.8vw, 4.5rem); }
  .desktop-break { display: none; }
  .hero-actions { gap: .75rem; }
  .hero-actions .btn { padding-inline: 1rem; }
  .hero-actions .btn-text { padding-inline: 0; }
  .about-grid { grid-template-columns: 210px minmax(0, 1fr); gap: 3rem; }
  .author-monogram { font-size: 5rem; }
  .book-card { grid-template-columns: 190px minmax(0, 1fr); gap: 1.75rem; padding: 1.75rem; }
  .book-cover { min-height: 300px; padding: 1.25rem; align-self: start; }
  .book-synopsis { font-size: .88rem; }
}
@media (max-width: 640px) {
  :root { --space-6: 4rem; }
  .container { padding-inline: 1.25rem; }
  .header-inner { flex-wrap: wrap; min-height: 76px; }
  .logo { gap: .6rem; font-size: 1.15rem; }
  .logo-mark { width: 34px; height: 34px; }
  .site-nav { width: 100%; justify-content: space-between; gap: var(--space-2); }
  .menu-enhanced .site-nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-line); background: var(--color-bg); }
  .menu-enhanced .nav-link { padding-block: var(--space-2); border-bottom: 1px solid var(--color-line-soft); }
  .hero { padding: 2.5rem 0 1.5rem; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .hero-copy { padding: 0; }
  .hero-title { font-size: clamp(3.4rem, 12.5vw, 4.7rem); }
  .hero-tagline { max-width: 30ch; font-size: 1.15rem; }
  .hero-actions { margin-top: 1.5rem; column-gap: 1.4rem; }
  .hero-books { max-width: 340px; height: 330px; margin: 0 auto; }
  .hero-book { max-width: 145px; }
  .hero-book-teal { top: 25px; left: 12%; }
  .hero-book-plum { top: 60px; right: 12%; }
  .hero-flower { right: 7%; width: 34px; height: 34px; }
  .hero-book-note { left: 5%; bottom: 0; font-size: .8rem; }
  .section-heading { align-items: start; gap: 1rem; }
  .section-intro { display: none; }
  .section-heading .eyebrow { font-size: .63rem; }
  .book-card { grid-template-columns: minmax(0, 1fr); gap: 1.75rem; padding: 1.5rem; }
  .book-cover { width: min(230px, 100%); min-height: auto; padding: 1.6rem; margin: 0 auto; }
  .book-cover img { max-width: 170px; }
  .book-title { font-size: 1.9rem; }
  .book-synopsis { font-size: .91rem; }
  .book-actions { gap: .6rem 1.2rem; }
  .book-kicker { font-size: .6rem; }
  .about-grid { grid-template-columns: minmax(0, 1fr); }
  .author-mark { width: 200px; margin-inline: auto; }
  .author-mark-caption { margin-top: 1rem; font-size: .58rem; }
  .contact-card { padding: 1.75rem; }
  .modal-content { padding: var(--space-3); }
  .footer-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.25rem; }
  .footer-brand { grid-column: 1; }
  .footer-inner p { grid-column: 1; grid-row: 2; }
  .back-to-top { grid-column: 2; grid-row: 1 / 3; }
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .book-card:hover .book-cover img { transform: translateY(-4px) rotate(-1deg); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}