/* ============================================================
   CASA SGUBIN — about stylesheet
   ------------------------------------------------------------
   Brand-aligned (mattone × tortora × carta, Cormorant + DM Sans).
   Fonti di verità:
     - assets/css/tokens.css                          (tokens RGB)
     - design-system/casasgubin/MASTER.md             (Source of Truth)
   
   Styles for the "La Casa" about page.
   ============================================================ */

/* Tokens are enqueued separately via functions.php */

/* ------------------------------------------------------------
   :ROOT — token locali
   ------------------------------------------------------------ */
:root {
  /* Easing */
  --cs-ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --cs-ease-io: cubic-bezier(0.77, 0, 0.175, 1);
  --cs-ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);

  /* Durations */
  --cs-dur-press: 140ms;
  --cs-dur-hover: 220ms;
  --cs-dur-reveal: 760ms;
  --cs-dur-hero: 1400ms;

  /* Section padding */
  --cs-section-y: clamp(72px, 9vw, 128px);

  /* Display typography */
  --cs-display-xl: clamp(2.6rem, 7vw, 6rem);
  --cs-display-l: clamp(2.2rem, 5vw, 4.5rem);
  --cs-display-m: clamp(1.8rem, 4vw, 3.5rem);
  --cs-display-s: clamp(1.4rem, 2.2vw, 2rem);

  /* Line heights */
  --cs-lh-display: 0.8;
  --cs-lh-frase: 1.15;
  --cs-lh-title: 1.2;

  /* Lede */
  --cs-lede-size: clamp(1.25rem, 2.2vw, 1.75rem);
}

/* ------------------------------------------------------------
   RESET LIGHT
   ------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--carta);
  color: var(--fg-2);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--mattone);
  outline-offset: 3px;
  border-radius: 2px;
}
::selection {
  background: var(--tortora);
  color: var(--mattone-900);
}

/* ------------------------------------------------------------
   LAYOUT — sezione
   ------------------------------------------------------------ */
.cs-section {
  padding-block: var(--cs-section-y);
  padding-inline: clamp(20px, 5vw, 56px);
}

/* ------------------------------------------------------------
   TIPOGRAFIA
   ------------------------------------------------------------ */
.cs-about__hero-content .h-display {
  margin: 16px 0px;
}

.cs-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-12);
  font-weight: var(--w-medium);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--mattone-700);
  margin: 0 0 var(--space-6);
}
.cs-eyebrow--on-dark {
  color: var(--tortora);
}

.cs-display {
  font-family: var(--font-display);
  font-weight: var(--w-regular);
  font-size: var(--cs-display-l);
  line-height: var(--cs-lh-display);
  letter-spacing: -0.018em;
  color: var(--mattone);
  margin: 0 0 var(--space-8);
  text-wrap: balance;
}
.cs-display em {
  font-style: italic;
  color: var(--mattone-700);
}
.cs-display--on-dark {
  color: var(--carta);
}
.cs-display--on-dark em {
  color: var(--tortora);
}

.cs-lede {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: var(--w-regular);
  font-size: var(--cs-lede-size);
  line-height: var(--cs-lh-frase);
  color: var(--mattone-700);
  margin: 0 0 var(--space-6);
  max-width: 36ch;
}
.cs-lede--on-dark {
  color: var(--tortora-200);
}

.cs-body {
  font-family: var(--font-body);
  font-size: var(--fs-18);
  line-height: 1.65;
  color: var(--fg-2);
  margin: 0 0 var(--space-6);
  max-width: 56ch;
}
.cs-body--on-dark {
  color: rgba(246, 242, 230, 0.82);
}

/* ------------------------------------------------------------
   REVEAL ON SCROLL
   ------------------------------------------------------------ */
[data-cs-reveal] {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(2px);
  transition:
    opacity var(--cs-dur-reveal) var(--cs-ease-out),
    transform var(--cs-dur-reveal) var(--cs-ease-out),
    filter var(--cs-dur-reveal) var(--cs-ease-out);
  will-change: opacity, transform, filter;
}
[data-cs-reveal][data-cs-in] {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

[data-cs-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  filter: blur(2px);
  transition:
    opacity var(--cs-dur-reveal) var(--cs-ease-out),
    transform var(--cs-dur-reveal) var(--cs-ease-out),
    filter var(--cs-dur-reveal) var(--cs-ease-out);
  transition-delay: calc(var(--cs-i, 0) * 70ms);
}
[data-cs-stagger][data-cs-in] > * {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

[data-cs-reveal][data-cs-in] [data-cs-stagger] > * {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* ============================================================
   1. HERO — fullscreen, parte da top:0
   ============================================================ */
.cs-about__hero {
  position: relative;
  min-height: clamp(620px, 92vh, 920px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  isolation: isolate;
  color: var(--carta);
  padding-inline: clamp(20px, 5vw, 80px);
  padding-bottom: clamp(80px, 12vh, 140px);
  padding-top: clamp(120px, 16vh, 180px);
}
.cs-about__hero-stage {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.cs-about__hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1);
  filter: blur(10px) saturate(110%);
  opacity: 0;
  transition:
    transform var(--cs-dur-hero) var(--cs-ease-drawer),
    filter var(--cs-dur-hero) var(--cs-ease-drawer),
    opacity var(--cs-dur-hero) var(--cs-ease-out);
}
body.cs-loaded .cs-about__hero-photo {
  transform: scale(1);
  filter: blur(0) saturate(105%);
  opacity: 1;
}

.cs-about__hero-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    270deg,
    rgba(45, 7, 3, 0.34) 0%,
    rgba(45, 7, 3, 0.18) 24%,
    rgba(45, 7, 3, 0.46) 70%,
    rgba(45, 7, 3, 0.82) 100%
  );
  opacity: 0;
  transition: opacity calc(var(--cs-dur-hero) + 200ms) var(--cs-ease-out);
}
body.cs-loaded .cs-about__hero-veil {
  opacity: 1;
}

.cs-about__hero-content {
  position: relative;
  max-width: 880px;
  z-index: 1;
}

/* ============================================================
   2. INTRO — layout a due colonne
   ============================================================ */
.cs-about__intro-inner {
  max-width: 1440px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}
@media (min-width: 900px) {
  .cs-about__intro-inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}
.cs-about__intro-copy {
  max-width: 54ch;
}
.cs-about__intro-frame {
  margin: 0;
  position: relative;
}
@media (min-width: 900px) {
  .cs-about__intro-frame {
    margin-right: clamp(-32px, -3vw, -64px);
  }
}
.cs-about__frame-inner {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
  transition:
    transform var(--cs-dur-hover) var(--cs-ease-out),
    box-shadow var(--cs-dur-hover) var(--cs-ease-out);
}
.cs-about__frame-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 800ms var(--cs-ease-io);
}
@media (hover: hover) and (pointer: fine) {
  .cs-about__frame-inner:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
  }
  .cs-about__frame-inner:hover img {
    transform: scale(1.04);
  }
}
.cs-about__cap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--fs-12);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--fg-3);
}

/* ============================================================
   3. FRASE STOP — condiviso con home
   ============================================================ */
.cs-frase-stop {
  position: relative;
  min-height: clamp(520px, 80vh, 800px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--cs-section-y) clamp(20px, 5vw, 56px);
  background: var(--carta-pure);
  overflow: hidden;
  isolation: isolate;
}
.cs-frase-stop__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  z-index: -1;
  filter: saturate(85%);
  mix-blend-mode: multiply;
}
.cs-frase-stop__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 1100px;
}
.cs-frase-stop__text {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: var(--w-regular);
  font-size: var(--cs-display-m);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--mattone);
  margin: 0 0 var(--space-8);
  text-wrap: balance;
}
.cs-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  filter: blur(6px);
  transition:
    opacity 600ms var(--cs-ease-out),
    transform 700ms var(--cs-ease-out),
    filter 700ms var(--cs-ease-out);
  will-change: opacity, transform, filter;
  margin-right: 0.25em;
}
.cs-word[data-cs-in] {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* ============================================================
   4. ARCHITECTURE — layout con gallery
   ============================================================ */
.cs-about__architecture-inner {
  max-width: 1440px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(48px, 6vw, 80px);
  align-items: center;
}
@media (min-width: 900px) {
  .cs-about__architecture-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

.cs-about__architecture-gallery {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .cs-about__architecture-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

.cs-about__gallery-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cs-about__gallery-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  background: var(--bg-inset);
}

.cs-about__gallery-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--cs-ease-io);
}

@media (hover: hover) and (pointer: fine) {
  .cs-about__gallery-item:hover .cs-about__gallery-frame {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }
  .cs-about__gallery-item:hover .cs-about__gallery-frame img {
    transform: scale(1.05);
  }
}

.cs-about__gallery-item .caption {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.45;
  color: var(--fg-3);
}

/* ============================================================
   5. BREAKFAST — layout con gallery a 3 colonne
   ============================================================ */
.cs-about__breakfast-inner {
  max-width: 1440px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(48px, 6vw, 80px);
  align-items: center;
}
@media (min-width: 900px) {
  .cs-about__breakfast-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

.cs-about__breakfast-gallery {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .cs-about__breakfast-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .cs-about__breakfast-gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cs-about__breakfast-gallery .cs-about__gallery-frame {
  aspect-ratio: 1 / 1;
}

/* ============================================================
   6. COLLIO — condiviso con home
   ============================================================ */
.cs-territory {
  position: relative;
  background: var(--mattone);
  color: var(--fg-on-mattone);
  padding: var(--cs-section-y) clamp(20px, 5vw, 56px);
  overflow: hidden;
  isolation: isolate;
}
.cs-territory::before {
  content: "";
  position: absolute;
  top: -8vw;
  right: -6vw;
  width: 48vw;
  height: 48vw;
  background: url("../img/monogram-vuoto-mattone.svg") no-repeat center /
    contain;
  opacity: 0.045;
  z-index: 0;
  pointer-events: none;
  transform: rotate(-8deg);
}
.cs-territory__grid {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin-inline: auto;
  display: grid;
  gap: clamp(32px, 5vw, 80px);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) {
  .cs-territory__grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .cs-territory__photo {
    grid-column: 1 / span 5;
    grid-row: 1;
  }
  .cs-territory__copy {
    grid-column: 6 / span 6;
    grid-row: 1;
    padding-left: clamp(0px, 3vw, 32px);
  }
  .cs-territory__mark {
    grid-column: 11 / span 2;
    grid-row: 1;
    align-self: end;
  }
}
.cs-territory__photo {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-xl);
  will-change: transform;
}
.cs-territory__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
}
.cs-territory__copy {
  max-width: 52ch;
  will-change: transform;
}
.cs-territory__mark {
  display: none;
  will-change: transform;
}
@media (min-width: 900px) {
  .cs-territory__mark {
    display: block;
  }
  .cs-territory__mark img {
    width: 100%;
    height: auto;
    opacity: 0.55;
    filter: brightness(2.4) sepia(0.4);
  }
}

/* ============================================================
   RESPONSIVE — sotto i 700px
   ============================================================ */
@media (max-width: 699px) {
  .cs-about__hero {
    padding-bottom: clamp(100px, 14vh, 160px);
  }
  .cs-territory::before {
    width: 80vw;
    height: 80vw;
    opacity: 0.04;
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 200ms !important;
  }
  [data-cs-reveal],
  [data-cs-stagger] > *,
  [data-cs-hero-el],
  .cs-word {
    transform: none !important;
    filter: none !important;
  }
  .cs-about__hero-photo {
    transform: none !important;
    filter: none !important;
  }
  .cs-about__hero-veil {
    opacity: 1 !important;
  }
  [data-cs-parallax-item] {
    transform: none !important;
  }
}

/* ============================================================
   NO-JS FALLBACK
   ============================================================ */
html:not(.cs-js) [data-cs-reveal],
html:not(.cs-js) [data-cs-stagger] > *,
html:not(.cs-js) [data-cs-hero-el],
html:not(.cs-js) .cs-word {
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
}
html:not(.cs-js) .cs-about__hero-photo {
  transform: none !important;
  filter: none !important;
  opacity: 1 !important;
}
html:not(.cs-js) .cs-about__hero-veil {
  opacity: 1 !important;
}