/* ==========================================================================
   SISTEMA SONNO — Componenti di pagina
   ========================================================================== */

/* ---- Header --------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--c-bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-line-soft);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 76px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.brand svg { flex: none; }
.nav-links { display: flex; gap: clamp(1.2rem, 2.5vw, 2.4rem); }
.nav-links a {
  position: relative;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-2);
  padding: 0.4em 0;
  transition: color 0.2s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--c-accent-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}
.nav-links a:hover { color: var(--c-text); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--c-text); }
.nav-cta { display: flex; align-items: center; gap: var(--space-4); }
.nav-cta .btn { padding: 0.8em 1.3em; }
.menu-btn { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; border: 1px solid var(--c-line); }
.menu-btn svg { width: 20px; height: 20px; }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--c-bg);
  padding: var(--space-8) var(--wrap-pad);
  flex-direction: column;
  gap: var(--space-5);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  border-bottom: 1px solid var(--c-line-soft);
  padding-bottom: var(--space-4);
}
.mobile-menu a.btn { font-family: var(--font-body); font-size: var(--text-xs); border: 1px solid var(--c-text); justify-content: center; margin-top: var(--space-4); padding: 1em 1.7em; }
.mobile-close { align-self: flex-end; width: 44px; height: 44px; border: 1px solid var(--c-line); display: flex; align-items: center; justify-content: center; }
.mobile-close svg { width: 20px; height: 20px; }

/* ---- Hero (home) ----------------------------------------------------------- */

.hero { padding: clamp(2.5rem, 5vw, 4.5rem) 0 clamp(3.5rem, 7vw, 6.5rem); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}
.hero h1 { margin: var(--space-4) 0 var(--space-5); text-wrap: balance; }
.hero .lead { max-width: 34em; }
.hero-actions { margin-top: var(--space-6); display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; }

.photo { position: relative; }
.photo::before {
  content: "";
  position: absolute;
  inset: 0;
  transform: translate(14px, 14px);
  border: 1px solid var(--c-accent-1);
  opacity: 0.55;
  pointer-events: none;
}
.photo img { position: relative; width: 100%; height: auto; box-shadow: 0 0 0 1px var(--c-line); }
.photo.tall img { aspect-ratio: 4 / 5; object-fit: cover; }

.hero-foot {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: var(--space-5);
  border-top: 1px solid var(--c-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}
.hero-foot .sec-num { display: inline-flex; align-items: center; gap: 0.8em; }

/* ---- Page hero (pagine interne) -------------------------------------------- */

.page-hero { padding: clamp(3rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 3rem); }
.page-hero h1 { font-size: var(--text-3xl); margin-top: var(--space-5); max-width: 18em; text-wrap: balance; }
.page-hero .lead { margin-top: var(--space-6); max-width: 46em; }
.page-hero .rule { margin-top: clamp(2rem, 4vw, 3rem); }

/* ---- Sections --------------------------------------------------------------- */

.section { padding: clamp(3.5rem, 7vw, 6.5rem) 0; }
.section-sm { padding: clamp(2rem, 4vw, 3.5rem) 0; }
.section + .section { padding-top: 0; }

.sec-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); max-width: 42em; }
.sec-head h2 { margin-top: var(--space-5); text-wrap: balance; }
.sec-head p { margin-top: var(--space-5); color: var(--c-text-2); }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head.center .label { justify-content: center; }

.sec-rule {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  border-top: 1px solid var(--c-line);
  padding-top: var(--space-4);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

/* ---- Blocco problema: righe editoriali numerate (accordion) ------------------ */

.problem-list { border-top: 1px solid var(--c-line); }
.problem-row { --pr-num-w: 5.5rem; border-bottom: 1px solid var(--c-line); }

.pr-trigger {
  display: grid;
  grid-template-columns: var(--pr-num-w) 1fr;
  gap: var(--space-6);
  align-items: start;
  width: 100%;
  text-align: left;
  padding: clamp(1.75rem, 3.5vw, 2.75rem) 0;
  transition: background 0.35s var(--ease-out), padding-left 0.35s var(--ease-out);
}
.pr-trigger:hover, .pr-trigger:focus-visible { background: rgba(164, 83, 43, 0.06); padding-left: var(--space-4); }
.pr-trigger .n {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw, 4.25rem);
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--c-text-faint);
  padding-top: 0.1em;
}
.pr-text { display: flex; flex-direction: column; gap: var(--space-3); max-width: 46rem; }
.pr-main { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 400; line-height: 1.44; color: var(--c-text); text-wrap: pretty; }
.pr-sub { font-size: var(--text-sm); line-height: 1.6; color: var(--c-text-2); }
.pr-toggle-label {
  display: inline-block;
  margin-left: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-accent-1);
  white-space: nowrap;
}
.problem-row.open .pr-toggle-label { color: var(--c-accent-2); }

.pr-detail { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.4s var(--ease-out); }
.pr-detail-inner { overflow: hidden; }
.problem-row.open .pr-detail { grid-template-rows: 1fr; }
.pr-detail-inner .box {
  margin: 0 0 clamp(1.75rem, 3.5vw, 2.75rem) calc(var(--pr-num-w) + var(--space-6));
  padding: var(--space-5) var(--space-6);
  background: rgba(46, 64, 94, 0.06);
  border-left: 1px solid var(--c-accent-2);
  max-width: 46rem;
}
.pr-detail-inner .box p { margin-top: var(--space-3); font-size: var(--text-sm); line-height: 1.6; color: var(--c-text-2); }

.statement {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  max-width: 30em;
}
.statement p {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.35;
}
.statement strong { font-weight: 500; color: var(--c-accent-1); }

/* ---- Split (testo + foto) ------------------------------------------------------ */

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}
.split.rev { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); }
.split-body p { color: var(--c-text-2); }
.split-body .emph { color: var(--c-text); margin-top: var(--space-5); margin-bottom: var(--space-5); }
.method-name { color: var(--c-accent-1); font-weight: 500; }

/* ---- Video testimonianze --------------------------------------------------------- */

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.video-card { display: flex; flex-direction: column; }
.video-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--c-line);
  background: var(--c-ink);
}
.video-frame.wide { aspect-ratio: 16 / 10; }
.video-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-out), opacity 0.4s; }
.video-card:hover .video-frame img { transform: scale(1.03); }
.video-frame video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; background: #000; }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.play-btn .ring {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.85);
  background: rgba(10, 10, 10, 0.35);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: transform 0.3s var(--ease-out), background 0.3s;
}
.play-btn svg { width: 22px; height: 22px; margin-left: 3px; }
.play-btn:hover .ring { transform: scale(1.08); background: var(--c-accent-1); border-color: var(--c-accent-1); }
.video-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--c-line);
}
.video-meta strong { font-family: var(--font-display); font-weight: 500; font-size: var(--text-base); }
.video-meta span { font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--c-text-2); text-align: right; }

/* ---- Attività divulgativa: banda scura, due card ------------------------------------- */

.divulgativa .sec-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.divulgativa .sec-head h2 { color: var(--c-ink-text); }

.div-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(1.5rem, 3vw, 2.25rem);
  align-items: stretch;
}
.div-card {
  position: relative;
  min-height: clamp(320px, 34vw, 420px);
  border: 1px solid var(--c-ink-line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.75rem, 3vw, 2.25rem);
}
.div-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.div-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, var(--c-ink) 100%);
}
.div-media:hover img { transform: scale(1.04); }
.div-play, .div-media h3 { position: relative; z-index: 2; }
.div-play { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.div-play .ring {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--c-ink-text);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-ink-text);
  transition: background 0.3s var(--ease-out), border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.div-play .ring svg { width: 16px; height: 16px; margin-left: 2px; }
.div-media:hover .div-play .ring { background: var(--c-accent-1); border-color: transparent; transform: scale(1.08); }
.div-play-label { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--c-ink-text-2); }
.div-media h3 { margin: 0; font-family: var(--font-display); font-size: var(--text-xl); font-weight: 400; max-width: 22ch; color: var(--c-ink-text); text-wrap: pretty; }

.div-tedx { justify-content: space-between; background: linear-gradient(180deg, rgba(164, 83, 43, 0.14), transparent 55%); }
.div-tedx .label.bare { color: var(--c-accent-1); }
.div-tedx-word { font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 3.75rem); letter-spacing: -0.02em; color: var(--c-ink-text); }
.div-divider { height: 1px; background: var(--c-ink-line); margin: var(--space-6) 0; }
.div-tedx p { margin: 0; font-size: var(--text-sm); line-height: 1.6; color: var(--c-ink-text-2); }

/* ---- Strip divulgazione ------------------------------------------------------------ */

.proof-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(2rem, 6vw, 5rem);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
}
.proof-item { display: flex; flex-direction: column; align-items: center; gap: var(--space-1); text-align: center; }
.proof-item .k { font-family: var(--font-display); font-size: var(--text-lg); }
.proof-item .v { font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-text-2); }

/* ---- Metodo micro (home): 3 colonne --------------------------------------------------- */

.steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--c-line);
}
.step-col { padding-top: var(--space-5); position: relative; }
.step-col::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 3.5rem;
  height: 1px;
  background: var(--c-accent-1);
}
.step-col .n { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--c-accent-1); display: block; margin-bottom: var(--space-4); }
.step-col h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.step-col p { color: var(--c-text-2); font-size: var(--text-sm); line-height: 1.7; }

/* ---- Bande scure ------------------------------------------------------------------------ */

.band {
  background: var(--c-ink);
  color: var(--c-ink-text);
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.band .label { color: var(--c-ink-text-2); }
.band-inner { text-align: center; max-width: 46rem; margin: 0 auto; }
.band-inner h2 { font-size: var(--text-2xl); text-wrap: balance; margin-bottom: var(--space-8); }

/* ---- Sistema sonno: diagramma + testo ---------------------------------------------------- */

.system-intro {
  max-width: 62rem;
  margin: 0 auto clamp(2.75rem, 6vw, 4.5rem);
  text-align: center;
}
.system-intro .label { justify-content: center; }
.system-intro .emph {
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.32;
  margin-top: var(--space-5);
  text-wrap: balance;
}
.system-intro-cols {
  margin-top: clamp(1.75rem, 3.5vw, 2.75rem);
  text-align: left;
  columns: 2;
  column-gap: clamp(2rem, 5vw, 4rem);
}
.system-intro-cols p { color: var(--c-text-2); break-inside: avoid; }
.system-intro-cols p + p { margin-top: var(--space-5); }

.system-stage { max-width: 1000px; margin: 0 auto; }
.system-stage-head {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.75rem);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.system-stage-rule { flex: 1; height: 1px; background: var(--c-line); }

/* la mappa è il protagonista: usa tutta la larghezza dello stage */
.system-net { width: 100%; }
.system-net svg { width: 100%; height: 100%; }

/* ---- Mappa del sistema · rete interattiva (estratto da js/network.js) --------------------
   Prima viveva come stringa JS iniettata via innerHTML ad ogni mount: qui è
   nella cascata normale, cacheable/minificabile col resto del foglio. ---- */
.net-stage { position: relative; width: 100%; aspect-ratio: 600 / 430; perspective: 1300px; }
.net-stage .net-svg { width: 100%; height: 100%; }
.net-svg { display: block; transform-style: preserve-3d; transition: transform .5s cubic-bezier(.22,.61,.36,1); will-change: transform; }
.net-grid { stroke: var(--c-line-soft); stroke-width: 0.5; }
.net-grid-g { opacity: 0.35; }
.net-guide { fill: none; stroke: var(--c-line); stroke-width: 0.6; stroke-dasharray: 3 6; opacity: 0.3; }
.net-edge { fill: none; transition: opacity .45s ease, stroke .4s ease, stroke-width .4s ease; }
.net-edge-backbone { stroke: var(--c-text-2); stroke-width: 1; opacity: 0.32; }
.net-edge-minor { stroke: var(--c-line); stroke-width: 0.8; opacity: 0.06; }
.net-pulse { fill: var(--c-accent-1); opacity: 0.8; }
.net-fine { fill: var(--c-text-faint); opacity: 0.5; filter: blur(1.8px); transition: opacity .45s ease, filter .45s ease; }
.net-layer { transition: transform .4s cubic-bezier(.22,.61,.36,1); }
.net-minor-dot {
  fill: var(--c-bg); stroke: var(--c-text-2); stroke-width: 1.2; opacity: 0.5;
  transform-box: fill-box; transform-origin: center;
  transition: opacity .4s ease, filter .4s ease, transform .4s ease, stroke .3s ease;
}
.net-minor-lbl {
  fill: var(--c-text-2); font-family: var(--font-mono); letter-spacing: 0.03em;
  opacity: 0.42; filter: blur(1.1px);
  transition: opacity .4s ease, filter .4s ease, fill .3s ease;
}
.net-core-ring { fill: none; stroke: var(--c-accent-1); stroke-width: 1.1; opacity: 0.8; }
.net-core-ring2 { fill: none; stroke: var(--c-accent-1); stroke-width: 0.8; opacity: 0.5; }
.net-core-dot { fill: var(--c-accent-1); }
.net-core-lbl { fill: var(--c-text); font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: 0.24em; }
.net-major { cursor: pointer; }
.net-hit { fill: transparent; }
.net-major-ring { fill: var(--c-bg); stroke: var(--c-text); stroke-width: 1.6; transition: stroke .3s ease, fill .3s ease; }
.net-major-dot { fill: var(--c-text); transition: fill .3s ease; }
.net-idx { fill: var(--c-accent-1); font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: 0.06em; }
.net-major-lbl { fill: var(--c-text); font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; transition: fill .3s ease; }
.net-major:focus { outline: none; }
.net-major:focus-visible .net-major-ring { stroke: var(--c-accent-1); stroke-width: 2.4; }
.net-hint { fill: var(--c-text-faint); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; opacity: 0.7; transition: opacity .4s ease; }
.net-root.is-dim .net-hint { opacity: 0; }
.net-root.is-dim .net-edge-backbone { opacity: 0.12; }
.net-root.is-dim .net-edge-minor { opacity: 0.03; }
.net-root.is-dim .net-fine { opacity: 0.14; filter: blur(2.4px); }
.net-root.is-dim .net-minor-dot { opacity: 0.18; filter: blur(1px); }
.net-root.is-dim .net-minor-lbl { opacity: 0.1; filter: blur(1.4px); }
.net-root.is-dim .net-major-ring { opacity: 0.3; }
.net-root.is-dim .net-major-dot { opacity: 0.3; }
.net-root.is-dim .net-major-lbl { opacity: 0.28; }
.net-root.is-dim .net-idx { opacity: 0.22; }
.net-root.is-dim .net-core { opacity: 0.32; }
.net-edge.is-hot {
  opacity: 0.95; stroke: var(--c-accent-1); stroke-width: 1.6;
  stroke-dasharray: 1000; animation: netDraw .55s cubic-bezier(.22,.61,.36,1) forwards;
}
.net-node.is-hot .net-minor-dot { opacity: 1; filter: none; stroke: var(--c-accent-1); transform: scale(1.15); }
.net-node.is-hot .net-minor-lbl { opacity: 1; filter: none; fill: var(--c-text); font-weight: 500; }
.net-node.is-hot .net-major-ring { opacity: 1; stroke: var(--c-accent-1); }
.net-node.is-hot .net-major-dot { opacity: 1; fill: var(--c-accent-1); }
.net-node.is-hot .net-major-lbl { opacity: 1; }
.net-node.is-sel .net-major-ring { fill: var(--c-accent-1); stroke: var(--c-accent-1); stroke-width: 2; }
.net-node.is-sel .net-major-dot { fill: var(--c-bg); }
@keyframes netDraw { from { stroke-dashoffset: 1000; } to { stroke-dashoffset: 0; } }
.net-panel {
  box-sizing: border-box; padding: 0.9rem 0.1rem 0.2rem; margin-top: 0.6rem;
  border-top: 1px solid var(--c-line); min-height: 6.5rem;
}
.net-panel-tag { display: flex; align-items: baseline; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 0.4rem; }
.net-panel-idx { font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.14em; color: var(--c-accent-1); text-transform: uppercase; }
.net-panel-kicker { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; color: var(--c-text-faint); text-transform: uppercase; }
.net-panel-title { font-family: var(--font-display); font-size: 1.02rem; line-height: 1.15; color: var(--c-text); margin-bottom: 0.2rem; }
.net-panel-desc { font-family: var(--font-body); font-size: 0.8rem; line-height: 1.42; color: var(--c-text-2); }
.net-breathe { transform-box: fill-box; transform-origin: center; animation: netBreathe 5s ease-in-out infinite; }
@keyframes netBreathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.3); } }
@media (max-width: 520px) {
  .net-panel-title { font-size: 0.95rem; }
  .net-panel-desc { font-size: 0.76rem; line-height: 1.38; }
  .net-minor-lbl { filter: blur(0.8px); }
  .net-fine { filter: blur(1.3px); }
  .net-root.is-dim .net-minor-lbl { filter: blur(1px); }
}
@media (prefers-reduced-motion: reduce) {
  .net-breathe { animation: none; }
  .net-svg { transition: none; transform: none !important; }
  .net-layer { transition: none; transform: none !important; }
  .net-edge.is-hot { animation: none; stroke-dasharray: none; }
}

/* pannello informativo come banda compatta sotto la mappa, due colonne su desktop */
#siteNet .net-panel {
  display: grid;
  grid-template-columns: minmax(200px, 300px) minmax(0, 1fr);
  column-gap: clamp(1.5rem, 3vw, 2.75rem);
  row-gap: 0.35rem;
  align-items: start;
  margin-top: clamp(1rem, 2vw, 1.5rem);
  padding: clamp(1rem, 2vw, 1.4rem) 0 0.2rem;
  border-top: 1px solid var(--c-line);
  border-left: none;
  min-height: 0;
}
#siteNet .net-panel-tag { grid-column: 1; }
#siteNet .net-panel-title { grid-column: 1; font-size: 1.3rem; }
#siteNet .net-panel-desc {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 1rem;
  line-height: 1.55;
  max-width: 46em;
}
#siteNet .net-panel-idx { font-size: 0.72rem; }
#siteNet .net-panel-kicker { font-size: 0.64rem; }

/* ---- A chi è rivolto: 3 colonne ------------------------------------------------------------- */

.target-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.target-col {
  border-top: 1px solid var(--c-line);
  padding-top: var(--space-5);
  position: relative;
}
.target-col::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: 3.5rem; height: 1px;
  background: var(--c-accent-2);
}
.target-col h3 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}
.target-col p { color: var(--c-text-2); font-size: var(--text-sm); line-height: 1.7; }

/* ---- Step dettaglio (metodo) ------------------------------------------------------------------ */

.step-detail {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-top: 1px solid var(--c-line);
}
.step-detail:last-of-type { border-bottom: 1px solid var(--c-line); }
.step-detail .sd-head h3 { font-size: var(--text-xl); margin-top: var(--space-4); text-wrap: balance; }
.step-detail .sd-body p { color: var(--c-text-2); }
.sd-sub { margin-top: var(--space-6); display: grid; gap: var(--space-5); }
.sd-sub-item { border-left: 1px solid var(--c-line); padding-left: var(--space-5); }
.sd-sub-item h4 { font-family: var(--font-display); font-weight: 500; font-size: var(--text-base); margin-bottom: var(--space-2); }
.sd-sub-item p { color: var(--c-text-2); font-size: var(--text-sm); line-height: 1.7; }
.sd-list { margin: var(--space-5) 0; display: grid; gap: var(--space-2); color: var(--c-text-2); }
.sd-body .emph { color: var(--c-text); margin: var(--space-6) 0 var(--space-3); }

/* ---- Approccio (metodo): sequenza editoriale ------------------------------------------------- */

.approach { max-width: 1000px; margin: 0 auto clamp(2.75rem, 6vw, 4.5rem); }
.approach-head { text-align: center; max-width: 46rem; margin: 0 auto clamp(2rem, 4vw, 3rem); }
.approach-head .label { justify-content: center; }
.approach-head .emph { margin-top: var(--space-5); text-wrap: balance; }
.approach-flow {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  position: relative;
  border-top: 1px solid var(--c-line);
}
.approach-flow .ap-step { position: relative; padding-top: var(--space-6); }
.approach-flow .ap-step::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: 2.75rem; height: 1px;
  background: var(--c-accent-1);
}
.ap-step .ap-n {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--c-accent-1);
  display: block;
  margin-bottom: var(--space-4);
}
.ap-step h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); text-wrap: balance; }
.ap-step p { color: var(--c-text-2); font-size: var(--text-sm); line-height: 1.65; }
.ap-icon { width: 1.25em; height: 1.25em; margin-right: 0.4em; color: var(--c-accent-1); vertical-align: -0.28em; flex: none; }

/* ---- Percorso: timeline ad accordion nativo (details/summary) --------------------------------- */

.method-steps { position: relative; }
.mstep { border-top: 1px solid var(--c-line); transition: background 0.25s ease; }
.mstep:last-child { border-bottom: 1px solid var(--c-line); }
.mstep[open] { background: var(--c-bg-2); }
.mstep-sum {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  padding: clamp(1.4rem, 3vw, 2rem) clamp(0.75rem, 2vw, 1.5rem);
  min-height: 44px;
}
.mstep-sum::-webkit-details-marker { display: none; }
.mstep-sum:hover .mstep-title { color: var(--c-accent-1); }
.mstep-n {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--c-text-faint);
  transition: color 0.25s;
}
.mstep[open] .mstep-n { color: var(--c-accent-1); }
.mstep-head { display: flex; flex-direction: column; gap: var(--space-1); min-width: 0; }
.mstep-kicker { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.12em; color: var(--c-accent-1); }
.mstep-title { font-family: var(--font-display); font-weight: 500; font-size: var(--text-xl); line-height: 1.2; transition: color 0.2s; text-wrap: balance; }
.mstep-tease { color: var(--c-text-2); font-size: var(--text-sm); }
.mstep[open] .mstep-tease { display: none; }
.mstep-icon { position: relative; width: 16px; height: 16px; flex: none; align-self: center; }
.mstep-icon::before, .mstep-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.3s var(--ease-out);
}
.mstep-icon::before { left: 0; top: 7px; width: 16px; height: 1px; }
.mstep-icon::after { left: 7px; top: 0; width: 1px; height: 16px; }
.mstep[open] .mstep-icon::after { transform: scaleY(0); }
.mstep-body { padding: 0 clamp(0.75rem, 2vw, 1.5rem) clamp(1.5rem, 3vw, 2.25rem) clamp(3rem, 7vw, 5rem); }
.mstep-body > p:first-child { margin-top: 0; }

/* ---- FAQ: passaggi numerati -------------------------------------------------------------------- */

.faq-steps { margin-top: var(--space-4); display: grid; gap: var(--space-3); }
.faq-steps li { display: flex; gap: var(--space-3); align-items: baseline; color: var(--c-text-2); }
.faq-steps .fs-n {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--c-accent-1);
  flex: 0 0 auto;
  width: 1.7em; height: 1.7em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line);
  border-radius: 50%;
}
.faq-a-inner .faq-steps:last-child { padding-bottom: clamp(1.25rem, 2.5vw, 1.75rem); }

/* ---- Ambiti -------------------------------------------------------------------------------------- */

.ambito {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-top: 1px solid var(--c-line);
}
.ambito .a-num { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--c-accent-1); margin-bottom: var(--space-4); }
.ambito h3 { font-size: var(--text-xl); text-wrap: balance; }
.ambito .a-tag {
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--c-accent-1);
  line-height: 1.5;
}
.ambito .a-body p { color: var(--c-text-2); }
.ambito .a-body .emph { color: var(--c-text); }

.ambito-trigger {
  display: block;
  cursor: pointer;
  transition: opacity 0.35s var(--ease-out);
}
.ambito-trigger:hover, .ambito-trigger:focus-visible { opacity: 0.75; }
.ambito-trigger:focus-visible { outline: 1px solid var(--c-accent-1); outline-offset: var(--space-2); }
.a-toggle-label {
  display: inline-block;
  margin-left: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-accent-1);
  white-space: nowrap;
}
.ambito.open .a-toggle-label { color: var(--c-accent-2); }
.ambito .a-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.4s var(--ease-out); }
.ambito .a-body-inner { overflow: hidden; }
.ambito.open .a-body { grid-template-rows: 1fr; }

.synergy {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border: 1px solid var(--c-line);
  padding: clamp(1.75rem, 4vw, 3rem);
  position: relative;
}
.synergy::before {
  content: "";
  position: absolute;
  inset: 0;
  transform: translate(10px, 10px);
  border: 1px solid var(--c-accent-1);
  opacity: 0.4;
  pointer-events: none;
}
.synergy h4 { font-family: var(--font-display); font-weight: 500; font-size: var(--text-lg); margin-bottom: var(--space-4); }
.synergy p { color: var(--c-text-2); }

/* Sinergia come fulcro concettuale della pagina */
.synergy-focal {
  margin-top: clamp(3.5rem, 7vw, 5.5rem);
  max-width: 52rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  background: var(--c-bg-2);
  padding: clamp(2.25rem, 5vw, 3.75rem);
}
.synergy-focal::before { transform: translate(14px, 14px); opacity: 0.5; }
.synergy-focal .label { justify-content: center; margin-bottom: var(--space-4); color: var(--c-accent-1); }
.synergy-focal h4 { font-size: var(--text-2xl); line-height: 1.15; margin-bottom: var(--space-5); text-wrap: balance; }
.synergy-focal p { max-width: 42em; margin-left: auto; margin-right: auto; }

/* ---- Timeline percorso ------------------------------------------------------------------------------ */

.timeline { display: grid; gap: clamp(2rem, 4vw, 3rem); }
.tl-block {
  border-left: 1px solid var(--c-line);
  padding-left: clamp(1.5rem, 3vw, 2.5rem);
  position: relative;
}
.tl-block::before {
  content: "";
  position: absolute;
  left: -3px; top: 0.5em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--c-accent-1);
}
.tl-block h3 { margin-bottom: var(--space-4); }
.tl-block p { color: var(--c-text-2); }
.tl-block .emph { color: var(--c-text); margin-bottom: var(--space-4); }

/* ---- Credenziali -------------------------------------------------------------------------------------- */

.creds {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.cred {
  padding: clamp(1.5rem, 3vw, 2.25rem) var(--space-5);
  border-left: 1px solid var(--c-line);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.cred:first-child { border-left: 0; }
.cred strong { font-family: var(--font-display); font-weight: 500; font-size: var(--text-lg); }
.cred span { font-size: var(--text-sm); color: var(--c-text-2); line-height: 1.5; }

/* ---- Team ----------------------------------------------------------------------------------------------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.team-card .photo { margin-bottom: var(--space-5); }
.team-card .photo::before { transform: translate(8px, 8px); opacity: 0.28; }
.team-card img { aspect-ratio: 5 / 6; object-fit: cover; object-position: center 28%; width: 100%; filter: saturate(0.8) contrast(1.04) brightness(1.03); }
.team-card strong { font-family: var(--font-display); font-weight: 500; font-size: var(--text-lg); display: block; }
.team-card strong a { color: inherit; text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.2s var(--ease-out); }
.team-card strong a:hover { border-color: currentColor; }
.team-card .role { font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-accent-1); margin-top: var(--space-2); }
.team-card p { color: var(--c-text-2); font-size: var(--text-sm); line-height: 1.65; margin-top: var(--space-4); }

/* ---- FAQ ---------------------------------------------------------------------------------------------------- */

.faq-list { border-top: 1px solid var(--c-line); }
.faq-item { border-bottom: 1px solid var(--c-line); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-5);
  text-align: left;
  padding: clamp(1.25rem, 2.5vw, 1.75rem) 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.35;
  transition: color 0.2s;
}
.faq-q:hover { color: var(--c-accent-1); }
.faq-icon {
  flex: none;
  position: relative;
  width: 14px; height: 14px;
  align-self: center;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.3s var(--ease-out);
}
.faq-icon::before { left: 0; top: 6px; width: 14px; height: 1px; }
.faq-icon::after { left: 6px; top: 0; width: 1px; height: 14px; }
.faq-item.open .faq-icon::after { transform: scaleY(0); }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.4s var(--ease-out); }
.faq-a-inner { overflow: hidden; }
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a-inner p { color: var(--c-text-2); max-width: 60em; }
.faq-a-inner p:last-child { padding-bottom: clamp(1.25rem, 2.5vw, 1.75rem); }

/* ---- Prenota ------------------------------------------------------------------------------------------------------ */

.booking {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}
.book-main h2 { font-size: var(--text-2xl); margin-top: var(--space-5); }
.book-main > p { color: var(--c-text-2); }
.price-note {
  margin: var(--space-6) 0;
  border: 1px solid var(--c-accent-1);
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--c-accent-1);
}
.closing-line { font-family: var(--font-display); font-size: var(--text-lg); color: var(--c-accent-1); }

.book-side { display: grid; gap: var(--space-5); }
.book-panel { border: 1px solid var(--c-line); padding: clamp(1.75rem, 3.5vw, 2.5rem); background: var(--c-bg-2); }
.book-panel .cal-note { color: var(--c-text-2); font-size: var(--text-sm); margin-top: var(--space-4); }
.book-panel .btn { margin-top: var(--space-6); width: 100%; justify-content: center; }
.email-alt { font-size: var(--text-sm); color: var(--c-text-2); margin-top: var(--space-5); }
.email-alt a { color: var(--c-accent-1); border-bottom: 1px solid currentColor; padding-bottom: 1px; }
.micro-proof { display: grid; gap: var(--space-3); }
.micro-proof span { display: flex; align-items: center; gap: 0.7em; font-size: var(--text-sm); color: var(--c-text-2); }
.micro-proof svg { width: 1.15em; height: 1.15em; flex: none; color: var(--c-accent-1); }

/* ---- Footer -------------------------------------------------------------------------------------------------------- */

.site-footer {
  background: var(--c-ink);
  color: var(--c-ink-text-2);
  padding: clamp(3rem, 6vw, 5rem) 0 var(--space-6);
}
.site-footer .brand { color: var(--c-ink-text); }
.foot-top {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--c-ink-line);
}
.foot-top p { font-size: var(--text-sm); max-width: 30em; margin-top: var(--space-4); }
.foot-col { display: flex; flex-direction: column; gap: var(--space-3); }
.foot-col .spec {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--c-ink-text);
  margin-bottom: var(--space-2);
}
.foot-col a { font-size: var(--text-sm); transition: color 0.2s; }
.foot-col a:hover { color: var(--c-ink-text); }
.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-5);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}

/* ---- Palette switcher ------------------------------------------------------------------------------------------------ */

.pswitch { position: fixed; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem); z-index: 150; }
.pswitch-toggle {
  display: flex;
  align-items: center;
  gap: 0.6em;
  border: 1px solid var(--c-line);
  background: var(--c-bg);
  color: var(--c-text);
  padding: 0.7em 1.1em;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: 0 6px 24px rgba(0,0,0,0.12);
}
.pswitch-toggle .sw { width: 12px; height: 12px; border-radius: 50%; background: var(--c-accent-1); }
.pswitch-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 10px);
  min-width: 210px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  box-shadow: 0 12px 40px rgba(0,0,0,0.16);
  padding: var(--space-3);
  display: none;
  flex-direction: column;
  gap: 2px;
}
.pswitch.open .pswitch-panel { display: flex; }
.pswitch-head {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-faint);
  padding: var(--space-2) var(--space-3);
}
.pswitch-panel button {
  display: flex;
  align-items: center;
  gap: 0.8em;
  padding: var(--space-3);
  font-size: var(--text-sm);
  text-align: left;
  transition: background 0.2s;
}
.pswitch-panel button:hover { background: var(--c-bg-2); }
.pswitch-panel button.active { background: var(--c-bg-2); }
.pswitch-panel button.active::after { content: "✓"; margin-left: auto; color: var(--c-accent-1); }
.pswitch-panel .dots { display: inline-flex; gap: 3px; }
.pswitch-panel .dot { width: 11px; height: 11px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.15); }
.pswitch-panel a {
  display: flex;
  align-items: center;
  gap: 0.8em;
  padding: var(--space-3);
  font-size: var(--text-sm);
  border-top: 1px solid var(--c-line-soft);
  margin-top: var(--space-2);
  color: var(--c-text-2);
}
.pswitch-panel a:hover { color: var(--c-text); }

/* ---- Responsive ----------------------------------------------------------------------------------------------------------- */

@media (max-width: 960px) {
  .nav-links { display: none; }
  .menu-btn { display: flex; }
  .hero-grid, .split, .split.rev, .booking { grid-template-columns: 1fr; }
  .system-intro-cols { columns: 1; }
  #siteNet .net-panel {
    grid-template-columns: 1fr;
    row-gap: 0.3rem;
    margin-top: 0.9rem;
    padding: 0.9rem 0.1rem 0.2rem;
  }
  #siteNet .net-panel-title { grid-column: 1; font-size: 1.1rem; }
  #siteNet .net-panel-desc {
    grid-column: 1;
    grid-row: auto;
    align-self: start;
    font-size: 0.9rem;
    max-width: none;
  }
  .split .split-media { order: -1; }
  .hero-grid .photo { max-width: 480px; }
  .video-grid, .steps-row, .target-grid, .team-grid { grid-template-columns: 1fr 1fr; }
  .approach-flow { grid-template-columns: 1fr; gap: 0; }
  .approach-flow .ap-step { padding-top: var(--space-5); padding-bottom: var(--space-5); border-bottom: 1px solid var(--c-line); }
  .approach-flow .ap-step:last-child { border-bottom: 0; }
  .mstep-body { padding-left: clamp(1rem, 4vw, 2rem); }
  .step-detail, .ambito { grid-template-columns: 1fr; gap: var(--space-6); }
  .creds { grid-template-columns: 1fr 1fr; }
  .cred:nth-child(3) { border-left: 0; }
  .cred:nth-child(n+3) { border-top: 1px solid var(--c-line); }
  .foot-top { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-cta .btn { display: none; }
  .video-grid, .steps-row, .target-grid, .team-grid, .creds, .div-grid { grid-template-columns: 1fr; }
  .cred { border-left: 0; }
  .cred:nth-child(n+2) { border-top: 1px solid var(--c-line); }
  .problem-row { --pr-num-w: 2.75rem; }
  .pr-trigger { gap: var(--space-4); }
  .pr-detail-inner .box { margin-left: calc(var(--pr-num-w) + var(--space-4)); }
  .hero-foot { flex-direction: column; align-items: flex-start; }
  .video-meta { flex-direction: column; align-items: flex-start; gap: var(--space-1); }
  .video-meta span { text-align: left; }
}

/* ==========================================================================
   ROUND 1 · Modifiche: brand-term, toni alternati, sfondi a costellazione
   ========================================================================== */

/* ---- "SISTEMA SONNO" come marchio ------------------------------------------------ */
.brand-term {
  font-weight: 600;
  color: var(--c-accent-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.94em;
  white-space: nowrap;
}
h1 .brand-term, h2 .brand-term, h3 .brand-term { font-size: inherit; letter-spacing: 0.02em; }
.band .brand-term, .btn-primary .brand-term { color: inherit; font-size: inherit; }
.label .brand-term { color: var(--c-accent-1); font-size: inherit; letter-spacing: inherit; }

/* ---- Toni di sezione alternati ---------------------------------------------------- */
.tone-alt { background: var(--c-bg-2); }
section.tone-alt,
.section + .section.tone-alt { padding-top: clamp(3.5rem, 7vw, 6.5rem); }
.tone-alt + .section { padding-top: clamp(3.5rem, 7vw, 6.5rem); }

/* ---- Sfondi a costellazione -------------------------------------------------------- */
[data-stars] { position: relative; }
[data-stars] > .wrap { position: relative; z-index: 1; }
.stars-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.stars-bg .stars-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.stars-bg circle { fill: var(--c-text-faint); }
.stars-bg line { stroke: var(--c-line-soft); stroke-width: 0.7; }
.stars-ink circle { fill: var(--c-ink-text-2); }
.stars-ink line { stroke: var(--c-ink-line); }

/* ---- Pannello prenotazione: passaggi ------------------------------------------------ */
.book-steps { margin-top: var(--space-5); display: grid; gap: var(--space-3); }
.book-steps li {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  font-size: var(--text-sm);
  color: var(--c-text-2);
  list-style: none;
}
.book-steps .bs-icon {
  width: 1.15em;
  height: 1.15em;
  color: var(--c-accent-1);
  flex: none;
  align-self: center;
}
.book-steps .bs-n {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--c-accent-1);
  flex: 0 0 auto;
}