/* =========================================================================
   Ugo Angelini — Stile principale
   Palette: "Atelier moderno"
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. Custom properties
   ------------------------------------------------------------------------- */
:root {
  /* Palette */
  --color-bg:        #ffffff;
  --color-bg-alt:    #faf8f4;
  --color-surface:   #e8e4de;
  --color-text:      #111111;
  --color-muted:     #5a5a58;
  --color-border:    #d9d5cd;
  --color-accent:    #c9a24b;
  --color-accent-d:  #a8853a;

  /* Typography */
  --font-heading: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body:    "Source Sans 3", -apple-system, BlinkMacSystemFont,
                  "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --fs-xs:   0.875rem;
  --fs-sm:   0.95rem;
  --fs-base: 1.0625rem;
  --fs-lg:   1.25rem;
  --fs-xl:   1.5rem;
  --fs-2xl:  2rem;
  --fs-3xl:  2.75rem;
  --fs-4xl:  clamp(2.5rem, 5vw + 1rem, 4.75rem);

  --lh-tight: 1.15;
  --lh-base:  1.65;

  /* Spacing */
  --space-2xs: 0.25rem;
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  6rem;
  --space-2xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);
  --header-h:      72px;

  /* Misc */
  --radius:     2px;
  --transition: 220ms ease;
  --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md:  0 8px 24px rgba(0, 0, 0, 0.08);
}

/* -------------------------------------------------------------------------
   2. Reset & base
   ------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-text);
  text-decoration-color: var(--color-accent);
  text-underline-offset: 3px;
  transition: color var(--transition);
}
a:hover { color: var(--color-accent-d); }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-sm);
}

h1 { font-size: var(--fs-4xl); font-weight: 600; }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-xl); }

p { margin: 0 0 var(--space-sm); }

/* -------------------------------------------------------------------------
   3. Utilities
   ------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-xl);
}
.section--tight { padding-block: var(--space-lg); }
.section--alt   { background: var(--color-bg-alt); }

.section-divider {
  padding-block: var(--space-md);
}
.section-divider img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}
@media (max-width: 600px) {
  .section-divider { padding-block: var(--space-sm); }
}

.section-title {
  margin-bottom: var(--space-md);
  position: relative;
  padding-bottom: var(--space-sm);
}
.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin-top: var(--space-sm);
}
.section-title--center {
  text-align: center;
}
.section-title--center::after {
  margin-inline: auto;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-xs);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-xs) var(--space-sm);
  z-index: 1000;
}
.skip-link:focus {
  left: var(--space-sm);
  top: var(--space-sm);
}

/* -------------------------------------------------------------------------
   4. Buttons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid currentColor;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition);
}
.btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
}
.btn--accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.btn--accent:hover {
  background: var(--color-accent-d);
  border-color: var(--color-accent-d);
  color: #fff;
}
.btn--ghost {
  border-color: var(--color-border);
  color: var(--color-text);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
}
.link-arrow::after { content: "→"; transition: transform var(--transition); }
.link-arrow:hover::after { transform: translateX(4px); }

/* -------------------------------------------------------------------------
   5. Annuncio mostra (striscia sopra header)
   ------------------------------------------------------------------------- */
.announce {
  background: var(--color-text);
  color: var(--color-bg);
  text-align: center;
  font-size: var(--fs-xs);
  letter-spacing: 0.05em;
  padding: 0.6rem var(--container-pad);
}
.announce a {
  color: var(--color-bg);
  text-decoration-color: var(--color-accent);
}

/* -------------------------------------------------------------------------
   6. Header & navigazione
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.brand {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--color-text);
}
.brand small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 44px;
  height: 44px;
  padding: 0;
  cursor: pointer;
  color: var(--color-text);
}
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  display: block;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  margin-inline: auto;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle__bar { position: relative; }
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle__bar::before { transform: translateY(-7px); }
.nav-toggle__bar::after  { transform: translateY(7px); }

.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after  { transform: rotate(-45deg); }

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}
.primary-nav__link {
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text);
  padding-block: var(--space-xs);
  position: relative;
}
.primary-nav__link::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.primary-nav__link:hover::after,
.primary-nav__link[aria-current="page"]::after { transform: scaleX(1); }

/* Mobile nav */
@media (max-width: 820px) {
  .nav-toggle { display: inline-block; }
  .primary-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .primary-nav[data-open="true"] { max-height: 60vh; }
  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-sm) var(--container-pad);
  }
  .primary-nav__link {
    display: block;
    padding-block: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
  }
  .primary-nav__list > li:last-child .primary-nav__link {
    border-bottom: 0;
  }
}

/* -------------------------------------------------------------------------
   7. Hero
   ------------------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  align-items: center;
  padding-block: var(--space-xl);
}
.hero__intro h1 {
  margin-bottom: var(--space-md);
}
.hero__lede {
  font-size: var(--fs-lg);
  color: var(--color-muted);
  max-width: 36ch;
  margin-bottom: var(--space-md);
}
.hero__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.hero__media {
  aspect-ratio: 4 / 5;
  background: var(--color-surface);
  overflow: hidden;
  position: relative;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; gap: var(--space-md); padding-block: var(--space-lg); }
  .hero__media { aspect-ratio: auto; order: -1; background: transparent; }
  .hero__media img { height: auto; object-fit: contain; }
}

/* -------------------------------------------------------------------------
   8. Statement (frase d'autore)
   ------------------------------------------------------------------------- */
.statement {
  text-align: center;
  padding-block: var(--space-xl);
  border-block: 1px solid var(--color-border);
}
.statement blockquote {
  margin: 0 auto;
  max-width: 50ch;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.4;
  color: var(--color-text);
}
.statement cite {
  display: block;
  margin-top: var(--space-md);
  font-family: var(--font-body);
  font-style: normal;
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* -------------------------------------------------------------------------
   9. Estratto biografia (home)
   ------------------------------------------------------------------------- */
.bio-extract {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-lg);
  align-items: center;
}
.bio-extract__media {
  aspect-ratio: 3 / 4;
  background: var(--color-surface);
  overflow: hidden;
}
.bio-extract__media img { width:100%; height:100%; object-fit:cover; }
.bio-extract__body p { color: var(--color-muted); max-width: 56ch; }
@media (max-width: 820px) {
  .bio-extract { grid-template-columns: 1fr; gap: var(--space-md); }
}

/* -------------------------------------------------------------------------
   10. Opera del mese (in evidenza)
   ------------------------------------------------------------------------- */
.featured {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.featured__media {
  background: var(--color-surface);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-md);
}
.featured__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}
.featured__media:hover img { transform: scale(1.03); }
.featured__meta {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md);
  display: grid;
  gap: 0.35rem;
}
.featured__meta strong {
  display: inline-block;
  min-width: 7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: var(--fs-xs);
  color: var(--color-text);
  font-weight: 600;
}
@media (max-width: 820px) {
  .featured { grid-template-columns: 1fr; gap: var(--space-md); }
}

/* -------------------------------------------------------------------------
   11. Estratto opere (home) — griglia semplice
   ------------------------------------------------------------------------- */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-sm);
}
.works-grid__item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--color-surface);
  display: block;
}
.works-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease, opacity var(--transition);
}
.works-grid__item:hover img { transform: scale(1.04); }
.works-grid__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.6rem 0.8rem;
  background: linear-gradient(to top, rgba(0,0,0,0.55), rgba(0,0,0,0));
  color: #fff;
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition);
}
.works-grid__item:hover .works-grid__caption,
.works-grid__item:focus-visible .works-grid__caption {
  opacity: 1; transform: translateY(0);
}

/* -------------------------------------------------------------------------
   12. Recensioni
   ------------------------------------------------------------------------- */
.reviews {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}
.review {
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
}
.review__stars {
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}
.review__text {
  font-style: italic;
  color: var(--color-text);
  flex: 1;
}
.review__author {
  margin-top: var(--space-sm);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.reviews-source {
  text-align: center;
  margin-top: var(--space-md);
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

/* -------------------------------------------------------------------------
   13. CTA finale
   ------------------------------------------------------------------------- */
.cta {
  text-align: center;
  padding-block: var(--space-xl);
  background: var(--color-bg-alt);
}
.cta h2 { margin-bottom: var(--space-sm); }
.cta p  { color: var(--color-muted); max-width: 50ch; margin-inline: auto; margin-bottom: var(--space-md); }

/* -------------------------------------------------------------------------
   14. Pagina biografia
   ------------------------------------------------------------------------- */
.bio-page {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-lg);
  align-items: start;
}
.bio-page__media {
  position: sticky;
  top: calc(var(--header-h) + var(--space-md));
  display: grid;
  gap: var(--space-md);
}
.bio-page__media figure { margin: 0; }
.bio-page__media img {
  aspect-ratio: 4 / 5;
  width: 100%;
  object-fit: cover;
  background: var(--color-surface);
}
.bio-page__media figcaption {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  margin-top: var(--space-xs);
  letter-spacing: 0.04em;
}
.bio-page__body { max-width: 60ch; }
.bio-page__body p { font-size: var(--fs-lg); line-height: 1.7; }
.bio-page__body .lead { color: var(--color-text); }
.bio-page__body p + p { margin-top: var(--space-sm); }

@media (max-width: 900px) {
  .bio-page { grid-template-columns: 1fr; }
  .bio-page__media { position: static; grid-template-columns: 1fr 1fr; }
  .bio-page__media img { aspect-ratio: 1 / 1; }
}
@media (max-width: 500px) {
  .bio-page__media { grid-template-columns: 1fr; }
}

/* -------------------------------------------------------------------------
   15. Page intro (titolo pagina interna)
   ------------------------------------------------------------------------- */
.page-intro {
  text-align: center;
  padding-block: var(--space-lg) var(--space-md);
}
.page-intro p {
  color: var(--color-muted);
  max-width: 55ch;
  margin-inline: auto;
}

/* -------------------------------------------------------------------------
   16. Contatti
   ------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-lg);
  align-items: start;
}
.contact-direct {
  background: var(--color-bg-alt);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
}
.contact-direct h2 { font-size: var(--fs-xl); }
.contact-direct ul {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0 0;
  display: grid;
  gap: var(--space-sm);
}
.contact-direct li {
  display: flex;
  flex-direction: column;
}
.contact-direct .label {
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.contact-direct a {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  text-decoration: none;
  color: var(--color-text);
}
.contact-direct a:hover { color: var(--color-accent-d); }

/* Form */
.contact-form {
  display: grid;
  gap: var(--space-md);
}
.field { display: grid; gap: 0.35rem; }
.field label {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 600;
}
.field .required { color: var(--color-accent-d); }
.field input,
.field textarea {
  font: inherit;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.field textarea { min-height: 140px; resize: vertical; }

.field--checkbox {
  flex-direction: row;
  align-items: flex-start;
  display: flex;
  gap: 0.6rem;
}
.field--checkbox label {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  color: var(--color-text);
  font-size: var(--fs-sm);
  line-height: 1.5;
}
.field--checkbox input {
  margin-top: 0.25rem;
  accent-color: var(--color-accent);
}

.field-error {
  display: block;
  min-height: 1.2em;
  margin-top: 0.25rem;
  color: #a23030;
  font-size: var(--fs-xs);
}

.form-status {
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.form-status[hidden] { display: none !important; }
.form-status--success { border-color: #4a7c4a; color: #2f5d2f; background: #f0f7f0; }
.form-status--error   { border-color: #a23030; color: #7a2424; background: #fbeeee; }

@media (max-width: 820px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* -------------------------------------------------------------------------
   17. Pagine testuali (privacy, 404)
   ------------------------------------------------------------------------- */
.prose {
  max-width: 70ch;
  margin-inline: auto;
}
.prose h2 {
  font-size: var(--fs-xl);
  margin-top: var(--space-lg);
}
.prose h3 {
  font-size: var(--fs-lg);
  margin-top: var(--space-md);
}
.prose ul {
  padding-left: 1.25em;
}
.prose ul li { margin-bottom: 0.35em; }
.prose .small {
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

/* -------------------------------------------------------------------------
   18. Footer
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-text);
  color: var(--color-bg);
  padding-block: var(--space-lg) var(--space-md);
  margin-top: var(--space-xl);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}
.site-footer h4 {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-sm);
}
.site-footer a {
  color: var(--color-bg);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.site-footer a:hover { border-bottom-color: var(--color-accent); }
.site-footer a.footer-social {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
}
.site-footer a.footer-social svg {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.site-footer__brand p { color: rgba(255,255,255,0.6); font-size: var(--fs-sm); max-width: 30ch; }
.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.55);
}
@media (max-width: 720px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-md); }
}