/* Case study Sito Serenity Room: componenti dedicati.
   Si appoggia al design system del sito (redesign.css), alle classi t26
   di case-torsiello-2026.css e ai componenti di case-ercole.css
   (erc-h2, erc-head, erc-cards, erc-figure, erc-grid, erc-origin, erc-quote). */

/* --- Cover: finestra browser con la registrazione del sito --- */
.sr-browser {
  background: #0d0d10;
}
.sr-browser__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}
.sr-browser__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}
.sr-browser__url {
  margin: 0 auto;
  padding: 5px 38px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  transform: translateX(-27px);
}
.sr-browser video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #141416;
}
@media (max-width: 560px) {
  .sr-browser__bar { padding: 10px 14px; }
  .sr-browser__url { padding: 4px 16px; transform: none; }
}

/* Immagini sopra la texture grain (40), come le cover dei case study */
.sr-compare,
.sr-jewels figure,
.sr-page .erc-figure {
  position: relative;
  z-index: 50;
}

/* .t26-case main ha overflow: hidden, che trasforma main in un contenitore
   di scroll e blocca position: sticky. clip taglia allo stesso modo ma
   lascia funzionare lo sticky dei capitoli. */
.sr-page main {
  overflow: clip;
}

/* --- Il sito: capitoli con testo fisso e immagini che scorrono --- */
.sr-site {
  padding-bottom: clamp(40px, 4vw, 64px);
}
.sr-chapter {
  display: grid;
  grid-template-columns: minmax(0, 0.36fr) minmax(0, 0.64fr);
  gap: clamp(36px, 6vw, 96px);
  align-items: start;
  padding: clamp(56px, 7vw, 104px) 0;
  border-top: 1px solid var(--line);
}
.sr-site .erc-head + .sr-chapter {
  margin-top: clamp(42px, 5vw, 68px);
}
.sr-chapter:last-child {
  padding-bottom: 0;
}
.sr-chapter--reverse {
  grid-template-columns: minmax(0, 0.64fr) minmax(0, 0.36fr);
}
.sr-chapter--reverse .sr-chapter__text {
  order: 2;
}
.sr-chapter__text {
  position: sticky;
  top: 120px;
  min-width: 0;
}
.sr-chapter__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
}
.sr-chapter__text h3 {
  margin: 16px 0 0;
  color: var(--text);
  font-size: clamp(26px, 2.6vw, 38px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.08;
}
.sr-chapter__text p {
  margin: 20px 0 0;
  color: var(--text-dim);
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.72;
}
.sr-chapter__text .sr-hint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}
.sr-hint::before {
  content: "\21C6";
  color: var(--brand);
  font-size: 1rem;
}
.sr-chapter__media {
  display: grid;
  gap: clamp(16px, 2vw, 26px);
  min-width: 0;
}
.sr-chapter__media .erc-grid {
  margin-top: 0;
}

@media (max-width: 960px) {
  .sr-chapter,
  .sr-chapter--reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .sr-chapter--reverse .sr-chapter__text {
    order: 0;
  }
  .sr-chapter__text {
    position: static;
    max-width: 680px;
  }
}

/* --- Casseforti: dettagli presentati come gioielli --- */
.sr-jewels {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(10px, 1.4vw, 18px);
  padding-bottom: clamp(24px, 3vw, 48px);
}
.sr-jewels figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
}
.sr-jewels figure:nth-child(even) {
  transform: translateY(clamp(24px, 3vw, 48px));
}
.sr-jewels img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform .7s var(--ease);
}
.sr-jewels figure:hover img {
  transform: scale(1.05);
}
@media (max-width: 560px) {
  .sr-jewels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* --- Confronto trascinabile (disegno/realizzazione, Panic/Serenity) --- */
.sr-compare {
  --pos: 50%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  user-select: none;
  touch-action: pan-y;
}
.sr-compare img {
  display: block;
  width: 100%;
  height: auto;
}
.sr-compare .sr-compare__top {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}
.sr-compare__label {
  position: absolute;
  top: 16px;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 100px;
  background: rgba(10, 10, 12, 0.66);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  pointer-events: none;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.sr-compare__label--left { left: 16px; }
.sr-compare__label--right { right: 16px; }
.sr-compare input[type="range"] {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}
.sr-compare__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 2px;
  background: #fff;
  transform: translateX(-1px);
  pointer-events: none;
}
.sr-compare__handle::after {
  content: "\21C6";
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  transform: translate(-50%, -50%);
}
.sr-compare input[type="range"]:focus-visible ~ .sr-compare__handle::after {
  outline: 2px solid #fff;
  outline-offset: 3px;
}
@media (max-width: 560px) {
  .sr-compare__label { top: 10px; padding: 5px 9px; font-size: 0.6rem; }
  .sr-compare__label--left { left: 10px; }
  .sr-compare__label--right { right: 10px; }
  .sr-compare__handle::after { width: 40px; height: 40px; }
}

/* --- Panic Room o Serenity Room? --- */
.sr-versus .erc-head {
  margin: 0 auto;
  text-align: center;
}
.sr-versus .erc-head > p {
  margin-left: auto;
  margin-right: auto;
}
.sr-versus .sr-compare {
  max-width: 1200px;
  margin: clamp(36px, 5vw, 60px) auto 0;
}

/* --- Sviluppo: card senza numerazione, il titolo sale in cima --- */
.sr-page .t26-method-grid h3 {
  margin-top: 0;
}

/* --- Dove porta il sito: statement con testo --- */
.sr-person {
  padding-top: 0;
}
.sr-person .erc-quote {
  margin-top: 0;
}
.sr-person .erc-quote > p {
  max-width: 760px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  color: var(--text-dim);
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.72;
}