/* Se Apri il Cuore · paolofurini.it
   Mondo visivo: la finestra di sera. Blu notte, luce d'ambra, carta calda.
   Una sola voce tipografica (Newsreader) con un sans discreto per le etichette. */

@font-face {
  font-family: "Newsreader";
  src: url("../fonts/newsreader.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Newsreader";
  src: url("../fonts/newsreader-italic.woff2") format("woff2");
  font-weight: 200 800;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("../fonts/instrument-sans.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --night: #1a2a4a;
  --night-2: #22355b;
  --night-line: #34497a;
  --moon: #e9e3d6;          /* testo su blu notte */
  --moon-soft: #b9b6ae;     /* secondario su blu notte, tinto dal caldo */
  --amber: #e0a24e;         /* luce della lampada, su blu notte */
  --amber-deep: #8f520f;    /* ambra leggibile su carta */
  --paper: #f5f0e7;
  --paper-2: #ece5d8;
  --ink: #1b2433;
  --ink-soft: #545c6a;
  --rule: #d8cfbf;

  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
  --sans: "Instrument Sans", system-ui, sans-serif;

  --step--1: clamp(0.84rem, 0.8rem + 0.15vw, 0.9rem);
  --step-0: clamp(1.09rem, 1.03rem + 0.3vw, 1.25rem);
  --step-1: clamp(1.3rem, 1.2rem + 0.5vw, 1.6rem);
  --step-2: clamp(1.55rem, 1.4rem + 0.8vw, 2.05rem);
  --step-3: clamp(2rem, 1.7rem + 1.5vw, 2.9rem);
  --step-4: clamp(2.4rem, 1.9rem + 2.2vw, 3.7rem);

  --wrap: 1180px;
  --text: 40rem;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--serif);
  font-size: var(--step-0);
  line-height: 1.6;
  font-optical-sizing: auto;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
::selection { background: var(--amber); color: var(--night); }
:focus-visible { outline: 2px solid var(--amber-deep); outline-offset: 3px; border-radius: 2px; }
.night :focus-visible { outline-color: var(--amber); }

.skip { position: absolute; left: -999px; top: 0.5rem; background: var(--amber); color: var(--night); padding: 0.5rem 1rem; z-index: 10; }
.skip:focus { left: 0.5rem; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.wrap-text { width: min(100% - 2.5rem, var(--text)); margin-inline: auto; }
.wrap-wide { width: min(100% - 2.5rem, 65rem); margin-inline: auto; }

/* Header */
.site-header { padding-block: 1.4rem; border-bottom: 1px solid var(--rule); }
.night .site-header { border-color: transparent; background: var(--night); color: var(--moon); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { text-decoration: none; display: grid; line-height: 1.1; }
.brand-name { font-size: 1.25rem; font-weight: 500; letter-spacing: -0.01em; }
.brand-sub { font-family: var(--sans); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); margin-top: 0.2rem; }
.night .brand-sub { color: var(--moon-soft); }
.nav { list-style: none; margin: 0; padding: 0; display: flex; gap: clamp(1rem, 3vw, 2.2rem); font-family: var(--sans); font-size: 0.95rem; }
.nav a { text-decoration: none; padding-block: 0.4rem; border-bottom: 1px solid transparent; transition: border-color 0.3s var(--ease), color 0.3s var(--ease); }
.nav a:hover { border-color: currentColor; }
.nav a[aria-current="page"] { border-color: var(--amber-deep); }
.night .nav a[aria-current="page"] { border-color: var(--amber); }

/* Home: hero di sera */
.night { background: var(--night); }
.hero { background: var(--night); color: var(--moon); padding-block: clamp(2.5rem, 7vw, 6.5rem) clamp(3.5rem, 8vw, 7.5rem); overflow: hidden; }
.hero-grid { display: grid; gap: clamp(2.5rem, 5vw, 5rem); align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 24rem) 1fr; gap: clamp(3rem, 7vw, 7rem); } }
.hero-title { font-size: var(--step-4); font-weight: 380; line-height: 1.02; letter-spacing: -0.025em; margin: 0 0 1.1rem; text-wrap: balance; }
.hero-quote { font-size: var(--step-1); color: var(--amber); margin: 0 0 1.2rem; font-weight: 340; }
.hero-cover { margin: 0; max-width: 24rem; width: 72%; justify-self: center; }
@media (min-width: 900px) { .hero-cover { width: 100%; } }
.hero-cover img { width: 100%; outline: 1px solid rgba(233, 227, 214, 0.14); outline-offset: -1px; box-shadow: 0 40px 70px -25px rgba(0,0,0,0.75), 0 10px 20px -10px rgba(0,0,0,0.5); transition: transform 0.6s var(--ease); }
.hero-cover a:hover img { transform: translateY(-4px); }
@media (prefers-reduced-motion: no-preference) {
  .hero-cover { animation: accende 1.4s var(--ease) both; }
}
.hero .stato-night { color: var(--amber); margin-bottom: 1.2rem; }
.invito { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(1rem, 3vw, 2rem); }
.invito-grid { display: grid; gap: 1rem 4rem; border-bottom: 1px solid var(--rule); padding-bottom: clamp(2.5rem, 6vw, 4rem); }
@media (min-width: 900px) { .invito-grid { grid-template-columns: 1fr 1.3fr; align-items: start; } }
.invito-title { font-size: var(--step-3); font-weight: 380; font-style: italic; line-height: 1.05; letter-spacing: -0.02em; margin: 0; }
.invito-text { font-size: var(--step-1); line-height: 1.5; max-width: 36ch; margin: 0 0 1.6rem; }
.chi-grid { display: grid; gap: 1.8rem 3rem; }
@media (min-width: 800px) { .chi-grid { grid-template-columns: 11rem 1fr; align-items: start; } }
.chi-foto img { width: 9rem; height: 9rem; border-radius: 50%; object-fit: cover; filter: saturate(0.85); }
@media (min-width: 800px) { .chi-foto img { width: 11rem; height: 11rem; } }
.book-cover { margin-bottom: 2.5rem; }
.book-cover img { width: min(100%, 20rem); box-shadow: 0 30px 50px -25px rgba(15,26,43,0.55); }
.autore-foto { margin: 0 0 2rem; }
.autore-foto img { width: 100%; max-width: 26rem; aspect-ratio: 1; object-fit: cover; }
.hero-lede { font-size: var(--step-0); line-height: 1.55; color: var(--moon-soft); max-width: 40ch; margin: 0 0 2.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem 1.8rem; margin: 0; }

/* La finestra: il quadro incorniciato, come una copertina Sellerio */
.finestra { margin: 0; padding: clamp(0.6rem, 1.4vw, 1rem); background: #0a121f; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6), 0 2px 0 0 #24344d inset; position: relative; }
.finestra::after { content: ""; position: absolute; inset: clamp(0.6rem, 1.4vw, 1rem); box-shadow: inset 0 0 0 1px rgba(224, 162, 78, 0.35); pointer-events: none; }
.finestra img { width: 100%; filter: saturate(0.92); }
@media (prefers-reduced-motion: no-preference) {
  .finestra { animation: accende 1.6s var(--ease) both; }
  @keyframes accende {
    from { opacity: 0.001; filter: brightness(0.4) blur(6px); transform: translateY(12px); }
    to { opacity: 1; filter: none; transform: none; }
  }
}

/* Bottoni e link */
.button {
  display: inline-block; font-family: var(--sans); font-size: 0.95rem; font-weight: 600; letter-spacing: 0.01em;
  text-decoration: none; padding: 0.85rem 1.45rem; border-radius: 2px;
  background: var(--ink); color: var(--paper);
  transition: background-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.button:hover { background: var(--amber-deep); }
.button:active { transform: translateY(1px); }
.button-amber { background: var(--amber); color: var(--night); }
.button-amber:hover { background: #f0b866; }
.site-footer .button { background: var(--amber); color: var(--night); }
.site-footer .button:hover { background: #f0b866; }
.link-quiet { font-family: var(--sans); font-size: 0.95rem; color: var(--moon); text-decoration: underline; text-decoration-color: var(--night-line); }
.link-quiet:hover { text-decoration-color: var(--amber); }
.link-arrow { font-family: var(--sans); font-size: 0.95rem; font-weight: 600; color: var(--amber-deep); text-decoration: none; }
.link-arrow::after { content: "→"; display: inline-block; margin-left: 0.45em; transition: transform 0.3s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }

/* Fasce su carta */
.band-paper { background: var(--paper); }
.libro { padding-block: clamp(3.5rem, 8vw, 7rem) clamp(2rem, 5vw, 4rem); }
.libro-grid { display: grid; gap: 1.5rem 4rem; }
@media (min-width: 900px) { .libro-grid { grid-template-columns: 14rem 1fr; } }
.stato { display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--sans); font-size: var(--step--1); font-weight: 600; color: var(--amber-deep); margin: 0; }
.dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(224, 162, 78, 0.22); }
.collana { font-style: italic; color: var(--ink-soft); margin: 0.4rem 0 0; }
.section-title { font-size: var(--step-3); font-weight: 380; line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 1.2rem; text-wrap: balance; }
.section-title a { text-decoration: none; }
.section-title a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-decoration-color: var(--amber-deep); }
.libro-lede { font-size: var(--step-1); line-height: 1.5; max-width: 36ch; margin: 0 0 1.5rem; }
.dal-blog { padding-block: clamp(2rem, 4vw, 3.5rem) clamp(1rem, 2vw, 1.5rem); }
.dal-blog .section-title { font-size: var(--step-2); }
.chi { padding-block: clamp(2rem, 5vw, 4rem) clamp(4rem, 9vw, 8rem); }
.chi > .chi-grid { border-top: 1px solid var(--rule); padding-top: clamp(2rem, 5vw, 3.5rem); }
.chi-text { font-size: var(--step-1); font-weight: 360; line-height: 1.45; letter-spacing: -0.01em; max-width: 30ch; margin: 0 0 1.4rem; text-wrap: pretty; }

/* Elenchi articoli */
.post-list { list-style: none; margin: 0 0 2rem; padding: 0; border-top: 1px solid var(--rule); }
.post-list li { border-bottom: 1px solid var(--rule); }
.post-list a { display: grid; gap: 0.25rem; padding-block: 1.15rem; text-decoration: none; transition: padding-left 0.4s var(--ease); }
.post-list a:hover { padding-left: 0.5rem; }
.post-list a:hover .pl-title { color: var(--amber-deep); }
.pl-title { font-size: var(--step-1); line-height: 1.25; font-weight: 450; transition: color 0.3s var(--ease); }
.pl-dek { color: var(--ink-soft); line-height: 1.45; }
.pl-date { font-family: var(--sans); font-size: var(--step--1); color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.post-list-large a { padding-block: 1.6rem; gap: 0.4rem; }
.post-list-large .pl-title { font-size: var(--step-1); font-weight: 400; letter-spacing: -0.015em; }

/* Pagine e articoli */
.post, .page, .book { padding-block: clamp(2.5rem, 7vw, 5.5rem) clamp(3rem, 8vw, 6rem); }
.post-head, .page-head, .book-head { margin-bottom: clamp(2rem, 5vw, 3.2rem); }
.post-meta { font-family: var(--sans); font-size: var(--step--1); color: var(--ink-soft); margin: 0 0 1.2rem; }
.post-title, .page-title { font-size: var(--step-3); font-weight: 400; line-height: 1.06; letter-spacing: -0.022em; margin: 0 0 1rem; text-wrap: balance; }
.post-dek { font-size: var(--step-1); font-style: italic; line-height: 1.4; color: var(--ink-soft); margin: 0; text-wrap: pretty; }
.book-head .collana { margin: 0 0 0.8rem; }
.book-head .stato { margin-top: 0.4rem; }
.post-cover { margin: 0 auto clamp(2.5rem, 6vw, 4rem); }
.post-cover img { width: 100%; }

.prose { font-size: var(--step-0); }
.prose > * { margin-block: 0; }
.prose > * + * { margin-top: 1.15em; }
.prose p { text-wrap: pretty; hanging-punctuation: first; }
.prose h2 { font-size: var(--step-2); font-weight: 420; line-height: 1.15; letter-spacing: -0.015em; margin: 2.4em 0 0.6em; }
.prose a { color: var(--amber-deep); text-decoration-color: color-mix(in srgb, var(--amber-deep) 45%, transparent); }
.prose a:hover { text-decoration-color: var(--amber-deep); }
.prose .lead { font-size: var(--step-1); line-height: 1.5; }
.prose .button { color: var(--paper); text-decoration: none; }

/* Estratto del romanzo: una pagina di libro dentro l'articolo */
.estratto { margin-block: 2.6em; padding: clamp(1.6rem, 4vw, 2.6rem) clamp(1.3rem, 4vw, 2.8rem); background: var(--paper-2); font-size: 0.97em; line-height: 1.65; }
.estratto > * { margin-block: 0; }
.estratto > * + * { margin-top: 1em; }
.estratto-intro { font-style: italic; color: var(--ink-soft); padding-bottom: 1.2em; border-bottom: 1px solid var(--rule); margin-bottom: 1.4em !important; }
.stacco { text-align: center; color: var(--amber-deep); font-size: 1.6em; line-height: 1; margin-block: 1.4em !important; }

.quarta { margin: 2.4em 0; padding: 0; text-align: center; }
.quarta p { font-size: var(--step-2); font-style: italic; font-weight: 340; line-height: 1.25; color: var(--ink); text-wrap: balance; }
.quarta::before, .quarta::after { content: ""; display: block; width: 3rem; height: 1px; background: var(--amber-deep); margin: 1.2rem auto; }

.post-end { margin-top: 3rem; }
.post-sign { font-style: italic; font-size: var(--step-1); margin: 0 0 3.5rem; }
.label { font-family: var(--sans); font-size: var(--step--1); font-weight: 600; color: var(--ink-soft); margin: 0 0 0.8rem; }

/* Romanzi */
.book-row { display: grid; gap: 0.35rem; padding-block: 1.7rem; border-top: 1px solid var(--rule); text-decoration: none; }
.book-row:last-child { border-bottom: 1px solid var(--rule); }
a.book-row:hover .book-row-title { color: var(--amber-deep); }
.book-row-stato { display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--sans); font-size: var(--step--1); font-weight: 600; color: var(--amber-deep); }
.book-row-title { font-size: var(--step-2); font-weight: 400; letter-spacing: -0.015em; line-height: 1.15; transition: color 0.3s var(--ease); }
.book-row-dek { color: var(--ink-soft); }
.book-row-next .book-row-stato { color: var(--ink-soft); }
.book-row-next .book-row-title { color: var(--ink-soft); font-style: italic; }
.page .wrap-text + .wrap-text { margin-top: 2.5rem; }

/* Scuola: un invito caldo e leggero, nella voce di Paolo */
.scuola-band { padding-block: clamp(1rem, 3vw, 2rem) clamp(1.5rem, 4vw, 3rem); }
.scuola { background: var(--paper-2); color: var(--ink); padding: clamp(1.8rem, 4.5vw, 3rem) clamp(1.5rem, 5vw, 3.5rem); display: grid; gap: 0.9rem 4rem; border-left: 3px solid var(--amber); }
@media (min-width: 900px) { .scuola-band .scuola { grid-template-columns: 1fr 1.5fr; } .scuola-band .scuola-links { grid-column: 2; } }
.scuola-title { font-size: var(--step-2); font-weight: 380; font-style: italic; line-height: 1.15; letter-spacing: -0.015em; margin: 0; color: var(--ink); }
.scuola-text { margin: 0; color: var(--ink); line-height: 1.6; max-width: 48ch; }
.scuola-links { display: flex; flex-wrap: wrap; gap: 0.8rem 1.8rem; align-items: baseline; margin: 0.4rem 0 0; }
.link-quiet-ink { font-family: var(--sans); font-size: 0.95rem; color: var(--ink-soft); text-decoration: underline; text-decoration-color: var(--rule); }
.link-quiet-ink:hover { color: var(--ink); text-decoration-color: var(--amber-deep); }
.autore-scuola { margin-top: 3rem !important; }
.prose .scuola a { text-decoration: none; }
.prose .scuola-title { margin: 0; }
.prose .scuola .link-arrow { color: var(--amber-deep); }
.prose .scuola .link-quiet-ink { color: var(--ink-soft); text-decoration: underline; }

/* Newsletter Substack incorporata */
.newsletter-embed { max-width: 30rem; background: #fff; border: 1px solid var(--rule); }
.newsletter-embed iframe { display: block; width: 100%; height: 150px; border: 0; }

/* Immagini dentro gli articoli */
.post-img { margin: 2.2em 0; }
.post-img img { width: 100%; }
.post-img figcaption { font-family: var(--sans); font-size: var(--step--1); color: var(--ink-soft); margin-top: 0.6rem; }
.prose blockquote { margin: 2em 0; padding-left: 1.4rem; border-left: 2px solid var(--amber); color: var(--ink-soft); }
.prose blockquote > * + * { margin-top: 1em; }
.prose blockquote p { margin: 0; }
.prose hr { border: 0; text-align: center; margin: 2.4em 0; }
.prose hr::after { content: "·"; color: var(--amber-deep); font-size: 1.6em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: 0.4em; }
.prose h3 { font-size: var(--step-1); font-weight: 450; margin: 2em 0 0.4em; }

/* Temi */
.temi-nav { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; font-family: var(--sans); font-size: var(--step--1); }
.temi-nav a { text-decoration: none; padding: 0.35rem 0.8rem; border: 1px solid var(--rule); border-radius: 999px; color: var(--ink-soft); transition: border-color 0.3s var(--ease), color 0.3s var(--ease); }
.temi-nav a:hover { border-color: var(--amber-deep); color: var(--ink); }
.post-meta a { color: inherit; }

/* Domande frequenti */
.faq { border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; list-style: none; padding: 1rem 2rem 1rem 0; position: relative; font-weight: 450; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0.2rem; top: 0.95rem; color: var(--amber-deep); font-family: var(--sans); transition: transform 0.3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 1.2rem; color: var(--ink-soft); }

/* Footer */
.site-footer { background: var(--night); color: var(--moon); padding-block: clamp(3rem, 7vw, 5rem) 2rem; }
.footer-grid { display: grid; gap: 2.5rem 4rem; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.4fr 1fr; align-items: end; } }
.footer-title { font-size: var(--step-2); font-weight: 380; letter-spacing: -0.015em; margin: 0 0 0.6rem; }
.footer-invite p:not(.footer-title) { color: var(--moon-soft); margin: 0 0 1.6rem; max-width: 34ch; }
.footer-links { list-style: none; margin: 0; padding: 0; font-family: var(--sans); font-size: 0.95rem; display: grid; gap: 0.7rem; }
.footer-links a { text-decoration: none; color: var(--moon-soft); transition: color 0.3s var(--ease); }
.footer-links a:hover { color: var(--amber); }
.footer-base { margin-top: 3rem; padding-top: 1.4rem; border-top: 1px solid var(--night-line); font-family: var(--sans); font-size: var(--step--1); color: var(--moon-soft); }
.footer-base p { margin: 0; }

@media (max-width: 560px) {
  .header-row { flex-direction: column; align-items: flex-start; gap: 0.8rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}