/* ==========================================================================
   Casa Tua — "Luce di Casa"
   Sistema di design: dal freddo anonimo della città al caldo intimo di casa.
   ========================================================================== */

:root{
  /* --- Palette: freddo (città) → caldo (casa) --- */
  --ink-950: #12161c;
  --ink-800: #232b35;
  --ink-700: #384352;
  --stone-500: #8a8177;
  --stone-300: #c9c0b3;
  --oak-600: #a9713c;
  --ember-500: #d98b4f;
  --ember-600: #c17538;
  --brass-400: #c6a15b;
  --cream-100: #f3ece1;
  --paper-050: #fbf8f3;
  --text-ink: #201b15;
  --text-ink-soft: #4a4136;
  --white: #ffffff;

  /* --- Tipografia --- */
  --font-display: 'Instrument Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Public Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-accent: 'Fraunces', Georgia, serif;

  /* --- Ritmo --- */
  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-soft: cubic-bezier(.22,.61,.36,1);

  /* --- Film: altezza per capitolo (rideclinata su mobile) --- */
  --chapter-vh: 100vh;
  --chapters: 5;
}

*, *::before, *::after{ box-sizing: border-box; }
html{
  scroll-behavior: auto;
  -webkit-text-size-adjust: 100%;
}
html.no-scroll{ overflow: hidden; }
body{
  margin: 0;
  background: var(--paper-050);
  color: var(--text-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
h1,h2,h3,h4,p{ margin: 0; }
button{ font: inherit; border: none; background: none; cursor: pointer; }
::selection{ background: var(--ember-500); color: var(--white); }

.eyebrow{
  font-family: var(--font-body);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

/* ==========================================================================
   Header — chrome fisso sopra il film
   ========================================================================== */
.site-header{
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(18px, 3vw, 30px) clamp(20px, 4vw, 48px);
  color: var(--white);
}
.site-header::before{
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 220%;
  z-index: -1;
  background: linear-gradient(to bottom, rgba(8,4,2,.6), rgba(8,4,2,0));
  pointer-events: none;
  transition: opacity .4s var(--ease-soft);
}
.site-header.on-paper::before{ opacity: 0; }
.site-header.on-paper{ color: var(--text-ink); }

.brand-lockup{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  filter: drop-shadow(0 1px 10px rgba(0,0,0,.45));
}
.site-header.on-paper .brand-lockup{ filter: none; }
.brand-mark{ width: 30px; height: 30px; flex: none; }
.brand-word{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .01em;
  text-shadow: 0 1px 22px rgba(0,0,0,.55);
}
.site-header.on-paper .brand-word{ text-shadow: none; }

.header-nav{
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
}
.header-nav a{
  font-size: .86rem;
  font-weight: 500;
  text-shadow: 0 1px 18px rgba(0,0,0,.5);
  opacity: .92;
  transition: opacity .25s var(--ease-soft);
}
.site-header.on-paper .header-nav a{ text-shadow: none; }
.header-nav a:hover{ opacity: 1; }
.header-nav .cta-small{
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.55);
  text-shadow: none;
}
.site-header.on-paper .header-nav .cta-small{
  border-color: var(--text-ink);
}
.nav-toggle{ display: none; }

/* ==========================================================================
   Film — la ripresa continua
   ========================================================================== */
.film-track{
  position: relative;
  height: calc(var(--chapter-vh) * var(--chapters));
}
.film-stage{
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: var(--ink-950);
}

.grade{
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  mix-blend-mode: multiply;
  background: var(--ink-950);
  opacity: .55;
}
.grade.warm{
  z-index: 6;
  mix-blend-mode: soft-light;
  background: radial-gradient(120% 100% at 50% 100%, var(--ember-500), transparent 60%);
  opacity: 0;
  mix-blend-mode: soft-light;
}
.vignette{
  position: absolute;
  inset: 0;
  z-index: 7;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 45%, transparent 55%, rgba(6,3,1,.5) 100%);
}

.scene{
  position: absolute;
  inset: 0;
  opacity: 0;
  will-change: opacity, clip-path;
  clip-path: inset(0 0 0 0);
}
.scene-media{
  position: absolute;
  inset: -4% -4%;
  width: 108%;
  height: 108%;
  will-change: transform;
}
.scene-media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--focal, 50% 50%);
}
.scene-media.is-placeholder{
  background: linear-gradient(160deg, var(--ph-a, #232b35), var(--ph-b, #12161c));
}
.scene-tint{
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,8,6,.28), rgba(10,8,6,.08) 40%, rgba(10,8,6,.5) 100%);
}

/* --- Chapter readout --- */
.chapter-readout{
  position: absolute;
  left: clamp(20px, 4vw, 48px);
  bottom: clamp(20px, 4vw, 44px);
  z-index: 20;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 14px;
  text-shadow: 0 1px 18px rgba(0,0,0,.5);
}
.chapter-readout .num{
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ember-500);
}
.chapter-readout .name{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.chapter-readout .track{
  width: clamp(70px, 12vw, 140px);
  height: 2px;
  background: rgba(255,255,255,.28);
  border-radius: 2px;
  overflow: hidden;
}
.chapter-readout .bar{
  height: 100%;
  width: 0%;
  background: var(--ember-500);
  border-radius: 2px;
}

.scroll-cue{
  position: absolute;
  right: clamp(20px, 4vw, 48px);
  bottom: clamp(20px, 4vw, 44px);
  z-index: 20;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-shadow: 0 1px 18px rgba(0,0,0,.5);
  opacity: .85;
  transition: opacity .5s var(--ease-soft);
}
.scroll-cue .line{
  width: 1px; height: 26px;
  background: linear-gradient(180deg, var(--white), transparent);
}
.scroll-cue.is-hidden{ opacity: 0; }

/* --- Beats: il copy sopra il film --- */
.beat-layer{
  position: absolute; inset: 0; z-index: 15;
  display: flex; align-items: center;
  pointer-events: none;
}
.beat{
  position: absolute;
  left: clamp(20px, 6vw, 90px);
  right: clamp(20px, 6vw, 90px);
  max-width: 640px;
  opacity: 0;
  transform: translateY(24px);
  color: var(--white);
}
.beat::before{
  content: "";
  position: absolute; z-index: -1; inset: -60% -20% -60% -16%;
  background: radial-gradient(60% 60% at 20% 50%, rgba(6,3,1,.68), rgba(6,3,1,.36) 48%, transparent 78%);
}
.beat .kicker{
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.6rem, 4vw, 2.7rem);
  line-height: 1.15;
  margin: 0 0 .5rem;
  text-shadow: 0 2px 30px rgba(0,0,0,.4);
}
.beat .sub{
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(.95rem, 1.4vw, 1.1rem);
  color: rgba(255,255,255,.86);
  max-width: 34ch;
}
.beat.beat-final{ right: auto; left: clamp(20px, 6vw, 90px); }
.beat.beat-final .kicker{
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
}

/* ==========================================================================
   Cucitura film → contenuto
   ========================================================================== */
.film-landing{
  height: 22vh;
  background: linear-gradient(180deg, var(--ink-950), var(--cream-100));
}

/* ==========================================================================
   Sezioni post-film
   ========================================================================== */
.section{
  position: relative;
  background: var(--cream-100);
  padding: clamp(60px, 10vh, 120px) clamp(20px, 6vw, 60px);
}
.section.on-paper{ background: var(--paper-050); }
.section .wrap{
  max-width: 1180px;
  margin: 0 auto;
  min-height: min(70vh, 640px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.section .wrap > *{
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
  will-change: opacity, transform;
}
.section.in .wrap > *{ opacity: 1; transform: none; }
.section.done .wrap > *{ will-change: auto; }
.section.in .wrap > *:nth-child(2){ transition-delay: .09s; }
.section.in .wrap > *:nth-child(3){ transition-delay: .18s; }
.section.in .wrap > *:nth-child(4){ transition-delay: .27s; }

/* --- Manifesto --- */
.manifesto{ background: var(--ink-950); color: var(--white); }
.manifesto .wrap{ min-height: min(80vh, 720px); }
.manifesto .eyebrow{ color: var(--ember-500); margin-bottom: 22px; }
.manifesto h2{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5.4vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  max-width: 16ch;
}
.manifesto .payoff{
  margin-top: 28px;
  max-width: 46ch;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: rgba(255,255,255,.72);
}

/* --- Chi siamo --- */
.chi-siamo .wrap{
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(30px, 6vw, 90px);
  align-items: center;
  min-height: min(64vh, 560px);
}
.chi-siamo .eyebrow{ color: var(--oak-600); margin-bottom: 18px; }
.chi-siamo h2{
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.22;
  color: var(--text-ink);
}
.chi-siamo p{
  font-size: 1.05rem;
  color: var(--text-ink-soft);
  line-height: 1.7;
}
.chi-siamo .stat-row{
  display: flex;
  gap: clamp(24px, 5vw, 56px);
  margin-top: 34px;
}
.chi-siamo .stat b{
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--oak-600);
}
.chi-siamo .stat span{
  font-size: .82rem;
  color: var(--text-ink-soft);
}

/* --- Immobili in evidenza --- */
.listings .wrap{ min-height: auto; display: block; }
.listings .head{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(30px, 5vw, 54px);
  flex-wrap: wrap;
}
.listings .eyebrow{ color: var(--oak-600); margin-bottom: 14px; }
.listings h2{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  color: var(--text-ink);
}
.listings .head p{
  max-width: 34ch;
  color: var(--text-ink-soft);
  opacity: 1; transform: none; transition: none;
}
.card-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2.4vw, 30px);
}
.card{
  background: var(--paper-050);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(32,27,21,.05);
  transition: transform .45s var(--ease-out), box-shadow .45s var(--ease-out);
}
.card:hover{
  transform: translateY(-6px);
  box-shadow: 0 24px 44px -20px rgba(32,27,21,.28);
}
.card-media{
  aspect-ratio: 4/3;
  position: relative;
  background: linear-gradient(150deg, var(--stone-300), var(--stone-500));
}
.card-media.v2{ background: linear-gradient(150deg, #d9c6ab, var(--oak-600)); }
.card-media.v3{ background: linear-gradient(150deg, var(--cream-100), var(--stone-500)); }
.card-media .tag{
  position: absolute; top: 14px; left: 14px;
  background: rgba(18,22,28,.55);
  color: var(--white);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 11px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.card-body{ padding: 20px 22px 24px; }
.card-price{
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--oak-600);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.card-price .divider{
  flex: 1; height: 1px;
  background: var(--stone-300);
}
.card-title{
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-ink);
}
.card-meta{
  margin-top: 8px;
  font-size: .84rem;
  color: var(--text-ink-soft);
  display: flex;
  gap: 14px;
}

/* --- Zone servite --- */
.zones{ background: var(--ink-800); color: var(--white); }
.zones .eyebrow{ color: var(--ember-500); margin-bottom: 14px; }
.zones h2{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  max-width: 20ch;
}
.zone-grid{
  margin-top: clamp(30px, 5vw, 50px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
  border-radius: 18px;
  overflow: hidden;
}
.zone-cell{
  background: var(--ink-800);
  padding: clamp(24px, 3vw, 34px);
  transition: background .4s var(--ease-soft);
}
.zone-cell:hover{ background: var(--ink-700); }
.zone-cell .num{
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--ember-500);
  font-size: .95rem;
}
.zone-cell h3{
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
}
.zone-cell p{
  margin-top: 8px;
  font-size: .88rem;
  color: rgba(255,255,255,.62);
  line-height: 1.6;
}

/* --- Contatti --- */
.contatti .wrap{
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(30px, 6vw, 80px);
  min-height: min(70vh, 620px);
}
.contatti .eyebrow{ color: var(--oak-600); margin-bottom: 14px; }
.contatti h2{
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  line-height: 1.2;
}
.contatti .info-list{ margin-top: 30px; display: grid; gap: 18px; }
.contatti .info-list li{ font-size: .96rem; color: var(--text-ink-soft); }
.contatti .info-list b{ display: block; color: var(--text-ink); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 3px; }

.form-card{
  background: var(--paper-050);
  border-radius: 22px;
  padding: clamp(26px, 3.4vw, 44px);
  box-shadow: 0 1px 2px rgba(32,27,21,.05);
}
.field-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field{ margin-bottom: 18px; }
.field label{
  display: block;
  font-size: .76rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-ink-soft);
  margin-bottom: 8px;
}
.field input, .field select, .field textarea{
  width: 100%;
  border: 1px solid var(--stone-300);
  background: var(--white);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--text-ink);
  transition: border-color .25s var(--ease-soft);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none;
  border-color: var(--oak-600);
}
.field textarea{ resize: vertical; min-height: 96px; }

.btn-primary{
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  background: var(--ember-500);
  color: var(--white);
  font-weight: 600;
  font-size: .92rem;
  letter-spacing: .02em;
  overflow: hidden;
  box-shadow: 0 10px 30px -10px rgba(217,139,79,.65);
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(217,139,79,.75); }
.btn-primary:active{ transform: translateY(0); }
.btn-primary::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.35), transparent);
  transform: translateX(-120%);
}
.btn-primary:hover::before{ transition: transform .7s var(--ease-soft); transform: translateX(120%); }
.form-note{ margin-top: 14px; font-size: .8rem; color: var(--text-ink-soft); opacity: 1 !important; transform: none !important; }
.form-success{
  display: none;
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 10px;
  background: rgba(169,113,60,.12);
  color: var(--oak-600);
  font-size: .88rem;
}
.form-success.is-visible{ display: block; }

/* --- Footer --- */
.site-footer{
  background: var(--ink-950);
  color: rgba(255,255,255,.7);
  padding: clamp(40px, 6vw, 60px) clamp(20px, 6vw, 60px) 30px;
}
.footer-top{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  flex-wrap: wrap;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-top .brand-lockup .brand-word{ color: var(--white); text-shadow: none; }
.footer-nav{ display: flex; gap: clamp(24px, 4vw, 50px); flex-wrap: wrap; }
.footer-nav .col h4{
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.42);
  margin-bottom: 12px;
}
.footer-nav .col ul{ display: grid; gap: 9px; }
.footer-nav .col a{ font-size: .9rem; transition: color .2s; }
.footer-nav .col a:hover{ color: var(--white); }
.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  font-size: .78rem;
  color: rgba(255,255,255,.42);
  flex-wrap: wrap;
  gap: 12px;
}
.social-row{ display: flex; gap: 14px; }
.social-row a{
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.16);
  transition: border-color .2s, background .2s;
}
.social-row a:hover{ border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.06); }
.social-row svg{ width: 16px; height: 16px; fill: rgba(255,255,255,.8); }

/* ==========================================================================
   Responsive — mobile: stesso viaggio, inquadrature 9:16
   ========================================================================== */
@media (max-width: 900px){
  .card-grid{ grid-template-columns: repeat(2, 1fr); }
  .zone-grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px){
  :root{ --chapter-vh: 118vh; }
  .header-nav{ gap: 16px; }
  .header-nav a:not(.cta-small){ display: none; }
  .beat{ right: clamp(18px, 8vw, 40px); left: clamp(18px, 8vw, 40px); max-width: none; }
  .beat.beat-final{ left: clamp(18px, 8vw, 40px); }
  .chi-siamo .wrap, .contatti .wrap{ grid-template-columns: 1fr; }
  .card-grid{ grid-template-columns: 1fr; }
  .zone-grid{ grid-template-columns: 1fr; }
  .field-row{ grid-template-columns: 1fr; }
  .footer-top{ flex-direction: column; }
}

@media (max-width: 520px){
  .chapter-readout .track{ display: none; }
  .scroll-cue span{ display: none; }
}

/* ==========================================================================
   prefers-reduced-motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce){
  .scene{ transition: opacity .3s linear !important; }
  .scene-media{ transform: none !important; }
  .section .wrap > *{ transition: opacity .3s linear !important; transform: none !important; }
  .btn-primary::before{ display: none; }
}