/* ============================================================
   CASTALDI HOUSE — Guest house, Milano Porta Venezia
   Palette: intonaco, verde persiana, ottone delle targhette
   ============================================================ */

:root {
  --intonaco:   #F6EFE3;   /* fondo principale */
  --crema:      #EFE6D3;   /* sezioni alternate */
  --carta:      #FCF8F0;   /* card */
  --inchiostro: #2B2B26;   /* testo */
  --grigio:     #6E685C;   /* testo secondario */
  --persiana:   #43604F;   /* verde persiane */
  --persiana-scura: #33493C;
  --ottone:     #8F6B2E;   /* CTA (AA con testo chiaro) */
  --ottone-chiaro: #C8A45B;/* targhette e decori */
  --notte:      #241F19;   /* intro e footer */

  --f-display: "Prata", "Georgia", serif;
  --f-body: "Albert Sans", "Segoe UI", Arial, sans-serif;

  --maxw: 1120px;
  --pad: clamp(20px, 5vw, 64px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-padding-top: 76px; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.65;
  background: var(--intonaco);
  color: var(--inchiostro);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ottone-chiaro); color: var(--notte); }

img, svg { display: block; max-width: 100%; }
a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--persiana-scura);
  outline-offset: 3px;
  border-radius: 2px;
}
.section-verde :focus-visible,
.footer :focus-visible,
.intro :focus-visible { outline-color: var(--intonaco); }

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

.skip-link {
  position: absolute;
  top: -60px; left: 16px;
  z-index: 400;
  background: var(--notte);
  color: var(--intonaco);
  padding: 10px 18px;
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

/* ============ INTRO "IL CHECK-IN" ============ */

.intro {
  position: fixed;
  inset: 0;
  z-index: 300;
  perspective: 1400px;
  background: var(--notte);
}

body.intro-lock { overflow: hidden; }

.porta {
  position: absolute;
  top: 0;
  bottom: 0;
  width: calc(50% + 1px);
  background:
    linear-gradient(rgba(36, 31, 25, 0.18), rgba(36, 31, 25, 0.18)),
    var(--persiana-scura);
  border-top: 10px solid var(--notte);
  border-bottom: 10px solid var(--notte);
  box-shadow: inset 0 0 0 2px rgba(246, 239, 227, 0.08);
  transition: transform 0.95s cubic-bezier(0.6, 0, 0.25, 1);
}
.porta::before,
.porta::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  border: 2px solid rgba(246, 239, 227, 0.14);
  border-radius: 4px;
}
.porta::before { top: 8%; height: 38%; }
.porta::after  { bottom: 8%; height: 34%; }

.porta-sx { left: 0; transform-origin: left center; }
.porta-dx { right: 0; transform-origin: right center; }

.pomello {
  position: absolute;
  top: 50%;
  right: 7%;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--ottone-chiaro);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}
.pomello-sx { right: auto; left: 7%; }

.intro--apre .porta-sx { transform: rotateY(-84deg); }
.intro--apre .porta-dx { transform: rotateY(84deg); }

.serratura {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  z-index: 2;
  pointer-events: none;
  transition: opacity 0.3s;
}
.intro--apre .serratura { opacity: 0; }

.chiave {
  width: min(46vw, 230px);
  height: auto;
  opacity: 0;
  transform: translateX(-46px);
  animation:
    chiave-entra 0.7s cubic-bezier(0.3, 0.9, 0.3, 1) 0.25s forwards,
    chiave-gira 0.55s cubic-bezier(0.5, 0, 0.4, 1) 1.15s forwards;
}
@keyframes chiave-entra {
  to { opacity: 1; transform: translateX(0); }
}
@keyframes chiave-gira {
  from { transform: rotate(0); }
  to   { transform: rotate(38deg); }
}

.k-anello { stroke: var(--ottone-chiaro); stroke-width: 6; }
.k-foro   { fill: var(--notte); stroke: var(--ottone-chiaro); stroke-width: 2; }
.k-fusto, .k-dente { fill: var(--ottone-chiaro); }

.serratura-nome {
  font-family: var(--f-display);
  font-size: clamp(30px, 6vw, 52px);
  color: var(--intonaco);
  opacity: 0;
  animation: nome-in 0.6s ease 1.45s forwards;
}
.serratura-riga {
  font-size: clamp(11px, 1.6vw, 13.5px);
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(246, 239, 227, 0.65);
  opacity: 0;
  animation: nome-in 0.6s ease 1.65s forwards;
}
@keyframes nome-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* ingresso hero orchestrato con la fine dell'intro */
.has-intro .hero-inner {
  opacity: 0;
  transform: translateY(16px);
}
.intro-done .hero-inner {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease 0.3s, transform 0.7s ease 0.3s;
}

@media (prefers-reduced-motion: reduce) {
  .intro { display: none; }
  .has-intro .hero-inner { opacity: 1; transform: none; }
}

/* ============ TOPBAR ============ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 14px var(--pad);
  background: rgba(246, 239, 227, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(43, 43, 38, 0.14);
}

.wordmark {
  font-family: var(--f-display);
  font-size: 21px;
  line-height: 1;
  text-decoration: none;
  color: var(--inchiostro);
  white-space: nowrap;
}
.wordmark em { font-style: normal; color: var(--persiana); }

.nav { margin-right: auto; }
.nav-toggle { display: none; }

.nav-menu {
  display: flex;
  gap: 26px;
  list-style: none;
}
.nav-menu a {
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--grigio);
  transition: color 0.15s;
}
.nav-menu a:hover { color: var(--inchiostro); }

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  min-height: 32px;
  background: none;
  border: none;
  color: var(--grigio);
  font: inherit;
  cursor: pointer;
  padding: 6px 8px;
}
.lang-btn.is-active { color: var(--ottone); }
.lang-btn:hover { color: var(--inchiostro); }
.lang-sep { color: rgba(43, 43, 38, 0.25); }

/* ============ BOTTONI ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 15px 28px;
  font-family: var(--f-body);
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.15s, background-color 0.15s, border-color 0.15s;
}
.btn:active { transform: scale(0.98); }

.btn-ottone {
  background: var(--ottone);
  color: #FFF8EC;
}
.btn-ottone:hover { background: #7A5A25; }

.btn-quieto {
  border: 1.5px solid rgba(43, 43, 38, 0.35);
  color: var(--inchiostro);
  background: none;
}
.btn-quieto:hover { border-color: var(--inchiostro); }

.btn-small { padding: 9px 18px; font-size: 14px; }

/* ============ HERO + PRENOTAZIONE ============ */

.hero {
  position: relative;
  padding: clamp(48px, 7vw, 90px) var(--pad) clamp(64px, 9vw, 110px);
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--persiana);
  margin-bottom: 22px;
}

.hero-title {
  font-family: var(--f-display);
  font-size: clamp(52px, 8.5vw, 104px);
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: -0.01em;
}
.hero-title em { font-style: normal; color: var(--persiana); }

.hero-lead {
  max-width: 520px;
  font-size: clamp(16.5px, 1.9vw, 19px);
  color: var(--grigio);
  margin: 24px 0 22px;
}

.hero-punti {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}
.hero-punti li {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--persiana-scura);
  background: rgba(67, 96, 79, 0.1);
  border: 1px solid rgba(67, 96, 79, 0.22);
  border-radius: 999px;
  padding: 7px 15px;
}

.hero-proof {
  font-size: 14px;
  font-weight: 500;
  color: var(--grigio);
}

/* card prenotazione */

.prenota {
  background: var(--carta);
  border: 1px solid rgba(43, 43, 38, 0.14);
  border-top: 5px solid var(--ottone-chiaro);
  border-radius: 10px;
  padding: 26px 24px 24px;
  box-shadow: 0 18px 44px rgba(43, 43, 38, 0.14);
}

.prenota-titolo {
  font-family: var(--f-display);
  font-size: 24px;
  margin-bottom: 4px;
}
.prenota-sub {
  font-size: 13.5px;
  color: var(--grigio);
  margin-bottom: 18px;
}

.prenota-campi {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.campo { display: grid; gap: 5px; }
.campo span {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--persiana-scura);
}
.campo input,
.campo select {
  font: 500 15px var(--f-body);
  color: var(--inchiostro);
  background: #FFFFFF;
  border: 1.5px solid rgba(43, 43, 38, 0.22);
  border-radius: 6px;
  padding: 11px 10px;
  min-height: 46px;
  width: 100%;
}
.campo input:focus,
.campo select:focus {
  outline: 2px solid var(--persiana);
  outline-offset: 1px;
}

.prenota-notti {
  min-height: 22px;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--persiana-scura);
}

.prenota-errore {
  margin-top: 4px;
  font-size: 13.5px;
  font-weight: 600;
  color: #8A3324;
}

.prenota-cta {
  width: 100%;
  margin-top: 10px;
  font-size: 16px;
}

.prenota-alt {
  display: block;
  margin-top: 12px;
  text-align: center;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--grigio);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.prenota-alt:hover { color: var(--inchiostro); }

/* fascia persiane sotto l'hero */

.persiane {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 26px;
  background: repeating-linear-gradient(
    180deg,
    var(--persiana) 0 4px,
    var(--persiana-scura) 4px 6px
  );
  opacity: 0.9;
}

/* ============ SEZIONI ============ */

.section { padding: clamp(68px, 9vw, 120px) var(--pad); }

.section > * {
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}

.section-crema { background: var(--crema); }

.section-verde {
  background: var(--persiana-scura);
  color: var(--intonaco);
}

.section-head { margin-bottom: clamp(32px, 4.5vw, 56px); }

.section-head h2 {
  font-family: var(--f-display);
  font-size: clamp(30px, 4.4vw, 48px);
  font-weight: 400;
  line-height: 1.1;
}

.section-sub {
  margin-top: 10px;
  max-width: 560px;
  font-size: 16px;
  color: var(--grigio);
}
.section-sub-chiara { color: rgba(246, 239, 227, 0.75); }

/* ============ VANTAGGI ============ */

.vantaggi-wrap { padding-top: clamp(48px, 6vw, 72px); padding-bottom: clamp(48px, 6vw, 72px); }

.vantaggi {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.vantaggio {
  background: var(--carta);
  border: 1px solid rgba(43, 43, 38, 0.12);
  border-radius: 10px;
  padding: 26px 24px;
}

.v-num {
  display: inline-block;
  font-family: var(--f-display);
  font-size: 34px;
  color: var(--ottone);
  margin-bottom: 10px;
}

.vantaggio h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.vantaggio p {
  font-size: 14.5px;
  color: var(--grigio);
}

/* ============ CAMERE ============ */

.camere {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.camera {
  background: var(--carta);
  border: 1px solid rgba(43, 43, 38, 0.14);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.camera-foto {
  position: relative;
  aspect-ratio: 4 / 3;
  background:
    repeating-linear-gradient(
      180deg,
      rgba(67, 96, 79, 0.9) 0 10px,
      rgba(51, 73, 60, 0.9) 10px 14px
    );
  display: flex;
  align-items: center;
  justify-content: center;
}

.targa {
  font-family: var(--f-display);
  font-size: 44px;
  color: var(--notte);
  background: linear-gradient(160deg, #D9BC7C, var(--ottone-chiaro) 55%, #A9832F);
  border: 2px solid rgba(36, 31, 25, 0.35);
  border-radius: 10px;
  width: 92px;
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35), inset 0 2px 0 rgba(255, 255, 255, 0.5);
}

.camera-corpo {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.camera-corpo h3 {
  font-family: var(--f-display);
  font-size: 23px;
  font-weight: 400;
  margin-bottom: 8px;
}

.camera-corpo > p {
  font-size: 14.5px;
  color: var(--grigio);
  margin-bottom: 14px;
}

.camera-doti {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.camera-doti li {
  font-size: 12px;
  font-weight: 700;
  color: var(--persiana-scura);
  background: rgba(67, 96, 79, 0.1);
  border-radius: 999px;
  padding: 5px 12px;
}

.camera-scegli {
  margin-top: auto;
  align-self: flex-start;
  background: none;
  border: none;
  font: 700 14.5px var(--f-body);
  color: var(--ottone);
  cursor: pointer;
  padding: 4px 0;
  border-bottom: 1.5px solid rgba(143, 107, 46, 0.4);
  transition: border-color 0.15s;
}
.camera-scegli:hover { border-color: var(--ottone); }

.camere-nota {
  margin-top: 22px;
  font-size: 13.5px;
  font-style: italic;
  color: var(--grigio);
}

/* ============ LA CASA ============ */

.casa-grid,
.dove-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(32px, 5vw, 70px);
  align-items: start;
}

.casa-titolo {
  font-family: var(--f-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 0.6em;
}

.casa-grid p {
  color: var(--grigio);
  max-width: 560px;
}
.casa-grid p + p { margin-top: 1.1em; }

.casa-doti {
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(43, 43, 38, 0.18);
}
.casa-doti li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1px solid rgba(43, 43, 38, 0.18);
}
.casa-doti em {
  font-family: var(--f-display);
  font-style: normal;
  font-size: 24px;
  color: var(--ottone);
  min-width: 58px;
}
.casa-doti span { font-size: 15px; font-weight: 500; }

/* ============ QUARTIERE ============ */

.quartiere {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.tappa {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: rgba(246, 239, 227, 0.06);
  border: 1px solid rgba(246, 239, 227, 0.16);
  border-radius: 10px;
  padding: 20px 22px;
}

.tappa em {
  font-family: var(--f-display);
  font-style: normal;
  font-size: 26px;
  color: var(--ottone-chiaro);
  min-width: 44px;
  line-height: 1.2;
}

.tappa h3 {
  font-size: 16.5px;
  font-weight: 700;
  margin-bottom: 4px;
}

.tappa p {
  font-size: 14.5px;
  color: rgba(246, 239, 227, 0.75);
}

/* ============ DOVE ============ */

.dove-indirizzo {
  font-family: var(--f-display);
  font-style: normal;
  font-size: clamp(22px, 2.8vw, 28px);
  line-height: 1.35;
  margin-bottom: 12px;
}

.dove-metro {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--grigio);
  margin-bottom: 24px;
}
.metro-dot {
  width: 13px; height: 13px;
  border-radius: 50%;
  background: #D9241D; /* rosso della M1 */
  flex: none;
}

.dove-azioni {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.dove-contatti {
  font-size: 15px;
  color: var(--grigio);
}
.dove-contatti a {
  color: var(--inchiostro);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 43, 38, 0.3);
}
.dove-contatti a:hover { border-color: var(--ottone); }

.dove-persiane {
  align-self: stretch;
  min-height: 220px;
  border-radius: 10px;
  background: repeating-linear-gradient(
    180deg,
    var(--persiana) 0 12px,
    var(--persiana-scura) 12px 17px
  );
  border: 1px solid rgba(43, 43, 38, 0.2);
}

/* ============ FOOTER ============ */

.footer {
  background: var(--notte);
  color: var(--intonaco);
  padding: clamp(56px, 8vw, 96px) var(--pad) 40px;
}

.footer > * {
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}

.footer-wordmark {
  font-family: var(--f-display);
  font-size: clamp(44px, 8vw, 96px);
  line-height: 1;
  color: rgba(246, 239, 227, 0.14);
  margin-bottom: clamp(38px, 5vw, 64px);
  user-select: none;
}
.footer-wordmark em { font-style: normal; }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 52px;
}

.footer-cols h3 {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ottone-chiaro);
  margin-bottom: 14px;
}

.footer-cols p {
  font-size: 15.5px;
  color: rgba(246, 239, 227, 0.8);
}
.footer-cols a {
  color: var(--intonaco);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 239, 227, 0.3);
  transition: border-color 0.15s;
}
.footer-cols a:hover { border-color: var(--ottone-chiaro); }

.footer-legal {
  font-size: 12.5px;
  color: rgba(246, 239, 227, 0.72);
  border-top: 1px solid rgba(246, 239, 227, 0.14);
  padding-top: 22px;
}

/* ============ REVEAL ============ */

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

/* ============ RESPONSIVE ============ */

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .vantaggi { grid-template-columns: 1fr; }
  .camere { grid-template-columns: 1fr; }
  .casa-grid,
  .dove-grid { grid-template-columns: 1fr; }
  .quartiere { grid-template-columns: 1fr; }
  .dove-persiane { min-height: 90px; }
}

@media (max-width: 860px) {
  html { scroll-padding-top: 130px; }

  .topbar { gap: 16px; flex-wrap: wrap; }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: 1.5px solid rgba(43, 43, 38, 0.3);
    border-radius: 6px;
    color: var(--inchiostro);
    font: 600 13.5px var(--f-body);
    letter-spacing: 0.03em;
    padding: 8px 14px;
    cursor: pointer;
  }
  .nav-toggle-bar {
    width: 14px;
    height: 2px;
    background: currentColor;
    box-shadow: 0 -4px 0 currentColor, 0 4px 0 currentColor;
  }

  .nav { order: 3; width: 100%; margin: 0; }
  .nav-menu {
    display: none;
    flex-direction: column;
    gap: 0;
    width: 100%;
    padding: 6px 0 10px;
  }
  .nav.is-open .nav-menu { display: flex; }
  .nav-menu a {
    display: block;
    padding: 12px 2px;
    font-size: 16px;
    border-bottom: 1px solid rgba(43, 43, 38, 0.1);
  }

  .topbar-actions { margin-left: auto; }

  .prenota-campi { grid-template-columns: 1fr; }

  .dove-azioni .btn { width: 100%; }
}