/* =========================================================
   ARCHIlabs — sistema di design
   Identità corporate: font Gill Sans (come ARCHIlabs.html),
   palette ardesia #2c3e50, logo ARCHI + "labs" calligrafico
   ========================================================= */

/* ---------- Font del brand: Gill Sans ---------- */
@font-face { font-family: 'GillSans'; font-style: normal; font-weight: 300; src: url('../fonts/GillSans-Light.ttf') format('truetype'); font-display: swap; }
@font-face { font-family: 'GillSans'; font-style: normal; font-weight: 400; src: url('../fonts/GillSans-Regular.ttf') format('truetype'); font-display: swap; }
@font-face { font-family: 'GillSans'; font-style: normal; font-weight: 600; src: url('../fonts/GillSans-SemiBold.ttf') format('truetype'); font-display: swap; }
@font-face { font-family: 'GillSans'; font-style: normal; font-weight: 700; src: url('../fonts/GillSans-Bold.ttf') format('truetype'); font-display: swap; }
@font-face { font-family: 'GillSans'; font-style: italic; font-weight: 400; src: url('../fonts/GillSans-Italic.ttf') format('truetype'); font-display: swap; }

/* ---------- Reset essenziale ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, picture, svg { display: block; max-width: 100%; height: auto; }
/* Protezione foto: niente trascinamento né selezione */
img { -webkit-user-drag: none; -khtml-user-drag: none; -moz-user-drag: none; user-drag: none; -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* ---------- Token ---------- */
:root {
  --bg:        #FFFFFF;
  --surface:   #F5F7F9;
  --ink:       #2C3E50;          /* ardesia corporate — come ARCHIlabs.html */
  --ink-soft:  #5A6C7D;
  --muted:     #95A5A6;
  --line:      #E2E7EB;
  --line-dark: #1F2B38;
  --accent:    #2C3E50;          /* identità monocromatica: l'accento è l'ardesia stessa */
  --ink-rgb:   44, 62, 80;

  --container: 1320px;
  --pad: clamp(1.25rem, 5vw, 4rem);
  --section-y: clamp(4.5rem, 11vw, 10rem);

  --f-sans: "GillSans", "Gill Sans", "Gill Sans MT", Helvetica, Arial, sans-serif;
  --f-hand: "Architects Daughter", "GillSans", cursive;

  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- Base ---------- */
html, body { background: var(--bg); }
body {
  font-family: var(--f-sans);
  color: var(--ink);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.7;
  font-weight: 400;
  letter-spacing: -0.003em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ---------- Tipografia ---------- */
h1, h2, h3, h4 { font-weight: 600; line-height: 1.06; letter-spacing: -0.008em; color: var(--ink); }
.h-display { font-size: clamp(2.5rem, 6.6vw, 6rem); font-weight: 600; letter-spacing: -0.012em; }
h2 { font-size: clamp(1.9rem, 4.2vw, 3.4rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); letter-spacing: -0.004em; }
p { color: var(--ink-soft); }
strong { color: var(--ink); font-weight: 600; }

.label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.label--accent { color: var(--accent); }

.lead { font-size: clamp(1.15rem, 1.6vw, 1.5rem); line-height: 1.55; color: var(--ink); letter-spacing: -0.015em; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(3rem, 7vw, 6rem); }
.divider { height: 1px; background: var(--line); border: 0; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center;
  height: 100px;
  transition: background .4s var(--ease), height .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.brand {
  display: inline-flex; flex-direction: column; align-items: stretch; gap: 4px;
  font-family: var(--f-sans); line-height: 1;
  color: var(--ink); transition: color .35s var(--ease); white-space: nowrap;
}
.brand-name { font-size: 1.5rem; line-height: 1; }
/* fedele a .archilabs-logo-block: ARCHI in Gill Sans regular, labs calligrafico 0.85em */
.b-archi { font-weight: 400; letter-spacing: 0.045em; }
.b-labs { font-family: var(--f-hand); font-weight: 400; font-size: 0.85em; margin-left: 0.06em; }

/* Payoff discipline in colonna, allineate a destra (come logo ARCHIlabs.html).
   Gill Sans regular, dimensione riscalata via JS così che "ARCHITECTURE" sia largo quanto il logo. */
.brand-disc { display: flex; flex-direction: column; align-items: flex-start; font-size: 0.5rem; line-height: 1.35; }
.brand-disc span {
  font-family: var(--f-sans); font-weight: 400; text-transform: uppercase;
  font-size: 1em; letter-spacing: 0.22em;
  color: var(--ink-soft); transition: color .35s var(--ease);
}
.site-header.over-hero .brand-disc span { color: rgba(255,255,255,.72); }
.site-header.scrolled .brand-disc span { color: var(--muted); }

/* Footer: payoff su riga singola */
.brand-tagline {
  font-size: 0.55rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.22em; color: #fff; transition: color .35s var(--ease);
}

.nav { display: flex; align-items: center; gap: clamp(1rem, 2vw, 1.75rem); }
.nav a {
  position: relative; font-size: 0.94rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.13em;
  color: var(--ink); transition: color .35s var(--ease), opacity .25s var(--ease);
  padding-block: 0.25rem; opacity: 0.85;
}
.nav a:hover { opacity: 1; }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1.5px; width: 0;
  background: var(--accent); transition: width .35s var(--ease);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { width: 100%; }
.nav a[aria-current="page"] { opacity: 1; }

/* Header trasparente sopra hero scuro */
.site-header.over-hero { color: #fff; }
.site-header.over-hero .brand,
.site-header.over-hero .nav a { color: #fff; }
.site-header.over-hero .nav-toggle span { background: #fff; }

/* Header in stato "scrolled" */
.site-header.scrolled {
  background: rgba(251, 250, 248, 0.82);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  height: 88px;
  border-bottom: 1px solid var(--line);
}
.site-header.scrolled .brand, .site-header.scrolled .nav a { color: var(--ink); }
.site-header.scrolled .nav-toggle span { background: var(--ink); }

/* Toggle mobile */
.nav-toggle { display: none; width: 40px; height: 40px; position: relative; }
.nav-toggle span {
  position: absolute; left: 9px; right: 9px; height: 1.5px; background: var(--ink);
  transition: transform .35s var(--ease), opacity .25s var(--ease), top .35s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }
body.menu-open .nav-toggle span:nth-child(1) { top: 21px; transform: rotate(45deg); }
body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .nav-toggle span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; isolation: isolate; min-height: 100svh; display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(var(--ink-rgb),.45) 0%, rgba(var(--ink-rgb),.05) 35%, rgba(var(--ink-rgb),.15) 60%, rgba(var(--ink-rgb),.78) 100%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; padding-bottom: clamp(3rem, 7vw, 6rem); padding-top: 120px; }
.hero .label { color: rgba(255,255,255,.78); }
.hero h1 { color: #fff; margin-top: 1rem; max-width: 16ch; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; margin-top: 2rem;
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; color: rgba(255,255,255,.82);
}
.hero__meta span { position: relative; padding-left: 1.4rem; }
.hero__meta span::before { content: ""; position: absolute; left: 0; top: 50%; width: 8px; height: 1px; background: rgba(255,255,255,.6); }

/* Hero che mostra la foto INTERA, senza tagli (es. home) — solo da desktop */
@media (min-width: 700px) {
  .hero--photo { min-height: 0; align-items: stretch; }
  .hero--photo .hero__media { position: relative; inset: auto; }
  .hero--photo .hero__media img { height: auto; }
  .hero--photo .hero__inner { position: absolute; left: 0; right: 0; bottom: 0; padding-top: 0; }
}
.hero__credit { position: absolute; z-index: 2; right: var(--pad); bottom: 1.25rem; font-size: 0.68rem; letter-spacing: 0.08em; color: rgba(255,255,255,.6); text-transform: uppercase; }

/* Credito fotografico — in basso a destra su ogni foto (aggiunto via JS) */
.photo-figure { position: relative; display: block; margin: 0; }
.photo-credit {
  position: absolute; z-index: 3;
  right: clamp(0.85rem, 2.4vw, 1.75rem); bottom: clamp(0.6rem, 1.6vw, 1.1rem);
  font-size: 0.64rem; letter-spacing: 0.09em; text-transform: uppercase;
  color: rgba(255,255,255,.74); text-shadow: 0 1px 4px rgba(0,0,0,.55);
  pointer-events: none; -webkit-user-select: none; user-select: none;
}

/* ---------- Quote / manifesto ---------- */
.manifesto { }
.manifesto blockquote { font-size: clamp(1.6rem, 3.6vw, 3rem); line-height: 1.2; font-weight: 500; letter-spacing: -0.025em; color: var(--ink); max-width: 22ch; }
.manifesto blockquote + blockquote { margin-top: clamp(1.5rem, 3vw, 2.5rem); color: var(--ink-soft); font-size: clamp(1.15rem, 2vw, 1.6rem); font-weight: 400; max-width: 34ch; }
.manifesto cite { display: block; margin-top: 2rem; font-style: normal; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--muted); }
/* Smart Working: citazione a tutta larghezza, più compatta in altezza */
.lean .manifesto blockquote { max-width: none; font-size: clamp(1.25rem, 2.1vw, 1.75rem); line-height: 1.4; letter-spacing: -0.012em; }
.lean .manifesto cite { margin-top: 1rem; }
/* Titolo metodo: a capo libero su mobile, una sola riga da tablet in su */
@media (min-width: 720px) { .metodo-title { white-space: nowrap; font-size: clamp(1.6rem, 3.5vw, 2.6rem); } }
/* Paragrafi giustificati a tutta larghezza (override del limite di prosa) */
.text-just { max-width: none; text-align: justify; text-justify: inter-word; -webkit-hyphens: auto; hyphens: auto; }

/* ---------- Intro grid ---------- */
.intro-grid { display: grid; grid-template-columns: 1fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
@media (min-width: 860px) { .intro-grid { grid-template-columns: 0.85fr 1.15fr; } }
.intro-grid .lead { max-width: 30ch; }

/* ---------- Services list ---------- */
.services { display: grid; gap: 0; }
.service-row {
  display: grid; grid-template-columns: 1fr; gap: 0.5rem 2rem;
  padding-block: clamp(1.6rem, 3vw, 2.4rem);
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.service-row:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 760px) { .service-row { grid-template-columns: 4rem 1fr 2fr; gap: 2rem; } }
.service-row .num { font-size: 0.8rem; color: var(--muted); letter-spacing: 0.1em; }
.service-row h3 { letter-spacing: -0.02em; }
.service-row p { margin: 0; }

/* ---------- Feature cards (BIM / LEED / ...) ---------- */
.feature-grid { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 640px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 980px) { .feature-grid { grid-template-columns: repeat(4, 1fr); } }
.feature {
  background: var(--bg); padding: clamp(1.6rem, 2.5vw, 2.4rem);
  display: flex; flex-direction: column; gap: 0.75rem; min-height: 220px;
  transition: background .35s var(--ease);
}
.feature:hover { background: var(--surface); }
.feature .feature__k { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.16em; color: var(--accent); }
.feature h3 { font-size: 1.1rem; margin-top: auto; }
.feature p { font-size: 0.92rem; color: var(--ink-soft); }

/* ---------- Project showcase ---------- */
.showcase { display: grid; gap: clamp(3rem, 7vw, 6.5rem); }
.project { display: grid; grid-template-columns: 1fr; gap: clamp(1.25rem, 3vw, 2.5rem); align-items: center; }
@media (min-width: 900px) {
  .project { grid-template-columns: 1.65fr 0.95fr; }
  .project--rev { grid-template-columns: 0.95fr 1.65fr; }
  .project--rev .project__media { order: 2; }
}
.project__media { overflow: hidden; background: var(--line); aspect-ratio: 3 / 2; }
.project__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.project:hover .project__media img { transform: scale(1.04); }

/* Variante portfolio (pagina Architettura): foto grandi al rapporto naturale, senza tagli.
   Orizzontali a tutta larghezza con didascalia sotto; verticali affiancate al testo. */
.showcase--feature { gap: 0.5cm; }
@media (min-width: 900px) {
  .showcase--feature .project,
  .showcase--feature .project--rev { grid-template-columns: 1fr; gap: clamp(1.5rem, 3vw, 2.5rem); }
  .showcase--feature .project--rev .project__media { order: 0; }
  /* foto verticali: affiancate al testo, restano grandi senza diventare altissime */
  .showcase--feature .project--portrait { grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(2rem, 5vw, 4.5rem); }
  .showcase--feature .project--portrait .project__body { order: 2; }
}
.showcase--feature .project__media { aspect-ratio: auto; }
.showcase--feature .project__media img { width: 100%; height: auto; }
.showcase--feature .project:hover .project__media img { transform: none; }
.showcase--feature .project__body { max-width: 80ch; }
.showcase--feature .project__body h3 { font-size: clamp(1.7rem, 3vw, 2.6rem); }

/* Testo sopra l'immagine + scudo anti-download (il layer copre la foto) */
.project__media { position: relative; }
.project__media-overlay {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  color: #fff;
  background: linear-gradient(to top, rgba(18,26,36,.80) 0%, rgba(18,26,36,.28) 40%, rgba(18,26,36,0) 68%);
}
.project__media-overlay .label { color: rgba(255,255,255,.82); }
.project__media-overlay h3 { color: #fff; margin-top: 0.5rem; font-size: clamp(1.45rem, 2.7vw, 2.4rem); }

/* Progetti a schermo intero (foto orizzontali) */
.showcase--feature .project--full { width: 100vw; margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); }
.showcase--feature .project--full .project__media { width: 100%; height: 100svh; min-height: 560px; aspect-ratio: auto; }
.showcase--feature .project--full .project__media img { width: 100%; height: 100%; object-fit: cover; }
.project--full .project__media-overlay {
  justify-content: flex-end; padding: 0 0 clamp(2.5rem, 6vh, 5rem);
  background: linear-gradient(to top, rgba(18,26,36,.86) 0%, rgba(18,26,36,.5) 22%, rgba(18,26,36,.08) 52%, transparent 72%);
}
.project--full .project__media-overlay .container { width: 100%; }
.project--full .project__media-overlay h3 { font-size: clamp(2rem, 4.6vw, 4.2rem); }
.project--full .project__desc { color: rgba(255,255,255,.9); max-width: 58ch; margin-top: 1.1rem; }
.project--full .project__tags { margin-top: 1.6rem; }
.project--full .project__tags .tag { border-color: rgba(255,255,255,.45); color: rgba(255,255,255,.9); }
.project__body h3 { font-size: clamp(1.5rem, 2.4vw, 2.1rem); margin-bottom: 0.75rem; }
.project__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.tag {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.12em;
  padding: 0.45rem 0.85rem; border: 1px solid var(--line); border-radius: 5px; color: var(--ink-soft);
}

/* "Scopri il progetto" sopra le foto a schermo intero */
.project__cta {
  display: inline-flex; align-items: center; gap: 0.55rem; margin-top: 1.8rem;
  font-size: 0.8rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.13em;
  color: #fff; padding: 0.85rem 1.5rem; border: 1px solid rgba(255,255,255,.55); border-radius: 5px;
  transition: background .35s var(--ease), color .35s var(--ease);
}
.project__cta:hover { background: #fff; color: var(--ink); }
.project__cta .arrow { transition: transform .35s var(--ease); }
.project__cta:hover .arrow { transform: translateX(4px); }

/* ---------- Pagina progetto (approfondimento) ---------- */
.specs { margin-top: clamp(1.5rem, 3vw, 2.5rem); }
.spec-row { display: flex; justify-content: space-between; align-items: baseline; gap: 1.5rem; padding: 0.95rem 0; border-top: 1px solid var(--line); }
.spec-row:last-child { border-bottom: 1px solid var(--line); }
.spec-row dt { color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.72rem; font-weight: 600; }
.spec-row dd { color: var(--ink); font-weight: 600; text-align: right; font-size: 0.98rem; }
.keywords { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 700px) { .keywords { grid-template-columns: repeat(3, 1fr); } }
.keyword { background: var(--bg); padding: clamp(1.8rem, 3.5vw, 3rem) clamp(1.25rem, 3vw, 2rem); }
.keyword .k-num { font-size: 0.72rem; color: var(--accent); font-weight: 600; letter-spacing: 0.14em; }
.keyword strong { display: block; margin-top: 0.5rem; font-size: clamp(1.3rem, 2.4vw, 2rem); font-weight: 600; letter-spacing: -0.01em; }
.gallery { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.gallery img { width: 100%; height: auto; background: var(--line); }
.proj-quote { font-size: clamp(1.4rem, 3vw, 2.4rem); line-height: 1.25; font-weight: 500; letter-spacing: -0.02em; max-width: 24ch; }
.proj-quote cite { display: block; margin-top: 1.25rem; font-style: normal; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); }
.back-link { display: inline-flex; align-items: center; gap: 0.6rem; font-size: 0.8rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.13em; color: var(--ink); }
.back-link .arrow { transition: transform .35s var(--ease); }
.back-link:hover .arrow { transform: translateX(-4px); }

/* ---------- Process steps (smart working) ---------- */
.steps { display: block; counter-reset: step; border-top: 1px solid var(--line); }
.step { border-bottom: 1px solid var(--line); }
.step__head {
  display: flex; align-items: baseline; gap: 1rem; width: 100%; text-align: left;
  padding-block: clamp(1.1rem, 2.6vw, 1.7rem); cursor: pointer; color: var(--ink);
}
.step__head .num { font-size: 0.8rem; color: var(--accent); font-weight: 600; letter-spacing: 0.1em; }
.step__head h3 { flex: 1; font-size: clamp(1.2rem, 1.8vw, 1.5rem); }
.step__pm { font-size: 1.6rem; font-weight: 300; line-height: 1; color: var(--accent); transition: transform .3s var(--ease); align-self: center; }
.step__body { overflow: hidden; max-height: 0; transition: max-height .5s var(--ease); }
.step__body > div { padding-bottom: clamp(1.3rem, 2.6vw, 1.9rem); }
.step.open .step__body { max-height: 800px; }
.step p { margin-top: 0; }
.step p + p { margin-top: 1rem; }

/* ---------- Split image+text band ---------- */
.band { display: grid; grid-template-columns: 1fr; align-items: stretch; }
@media (min-width: 880px) { .band { grid-template-columns: 1fr 1fr; min-height: 70vh; } }
.band__media { background: var(--line); min-height: 50vh; }
.band__media img { width: 100%; height: 100%; object-fit: cover; }
.band__body { display: flex; flex-direction: column; justify-content: center; padding: var(--section-y) var(--pad); }
.band__body .container-narrow { max-width: 44ch; }

/* ---------- CTA ---------- */
.cta { background: var(--ink); color: #fff; padding-block: clamp(1.5rem, 3vw, 2.25rem); }
.cta .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1rem 1.5rem; }
.cta h2 { color: #fff; max-width: none; font-size: clamp(1.5rem, 6vw, 2rem); margin: 0; }
@media (min-width: 760px) { .cta h2 { white-space: nowrap; font-size: clamp(1.4rem, 2.6vw, 2.2rem); } }
.cta .btn { opacity: 0; transition: opacity .5s var(--ease); }
.cta .btn.cta-show { opacity: 1; }
/* effetto macchina da scrivere sul titolo CTA */
@keyframes tw-blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }
.cta h2.typing::after { content: ''; display: inline-block; width: 0.06em; height: 1em; background: currentColor; margin-left: 0.06em; vertical-align: -0.08em; animation: tw-blink .7s steps(1, end) infinite; }

.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.82rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.13em;
  padding: 1rem 1.75rem; border: 1px solid currentColor; border-radius: 5px;
  transition: background .35s var(--ease), color .35s var(--ease), transform .35s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--light { color: #fff; }
.btn--light:hover { background: #fff; color: var(--ink); }
.btn--dark { color: var(--ink); }
.btn--dark:hover { background: var(--ink); color: #fff; }
.btn .arrow { transition: transform .35s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Contatti ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: clamp(2rem, 5vw, 4rem); }
@media (min-width: 820px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-block h3 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--muted); font-weight: 600; margin-bottom: 0.75rem; }
.contact-block p, .contact-block a { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--ink); line-height: 1.5; }
.contact-block a.link-u { border-bottom: 1px solid var(--line); transition: border-color .3s var(--ease); }
.contact-block a.link-u:hover { border-color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #fff; padding-block: clamp(0.5rem, 1.5vw, 1rem) 1.5rem; }
.site-footer a { color: #fff; transition: opacity .3s var(--ease); }
.site-footer a:hover { opacity: 0.7; }
.footer-top { display: grid; grid-template-columns: 1fr; gap: 1.5rem; padding-bottom: 1.75rem; border-bottom: 1px solid rgba(255,255,255,.12); }
@media (min-width: 760px) { .footer-top { grid-template-columns: 2fr 1fr 1fr; } }
.footer-brand { display: inline-flex; flex-direction: column; gap: 4px; font-family: var(--f-sans); line-height: 1; color: #fff; }
.footer-brand .brand-name { font-size: 1.7rem; line-height: 1; }
.footer-brand .brand-tagline { color: #fff; }
.footer-brand + p { margin-top: 0.7rem; max-width: 34ch; font-size: 0.95rem; color: #fff; }
.footer-col h4 { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.16em; color: #fff; font-weight: 600; margin-bottom: 0.7rem; }
.footer-col li { margin-bottom: 0.4rem; font-size: 0.95rem; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; justify-content: space-between; align-items: center; padding-top: 1.25rem; font-size: 0.78rem; letter-spacing: 0.04em; color: #fff; }
.footer-bottom .socials { display: flex; gap: 1.25rem; }
.footer-bottom .socials a { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.72rem; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .project:hover .project__media img { transform: none; }
}

/* ---------- Mobile nav ---------- */
@media (max-width: 880px) {
  .nav-toggle { display: block; z-index: 110; }
  .nav {
    position: fixed; inset: 0; z-index: 105;
    flex-direction: column; justify-content: center; gap: 2rem;
    background: var(--bg);
    transform: translateY(-100%); transition: transform .5s var(--ease);
    padding: var(--pad);
  }
  body.menu-open .nav { transform: translateY(0); }
  .nav a { color: var(--ink) !important; font-size: 1.5rem; letter-spacing: 0.02em; opacity: 1; }
  .nav a::after { display: none; }
  body.menu-open { overflow: hidden; }
}

/* utilità */
.mt-s { margin-top: 1rem; } .mt-m { margin-top: 2rem; } .mt-l { margin-top: 3rem; }
.maxw-prose { max-width: 62ch; }
.text-balance { text-wrap: balance; }

/* =========================================================
   HOME compatta — meno spazio bianco, foto protagoniste
   ========================================================= */
.home .section { padding-block: clamp(1.4rem, 3vw, 2.6rem); }
.home .section--tight { padding-block: clamp(1rem, 2vw, 1.6rem); }
.home .divider { display: none; }
.home .mt-m { margin-top: 1.25rem; }
.home .mt-l { margin-top: 1.5rem; }

/* manifesto più raccolto */
.home .manifesto { padding-block: clamp(1.6rem, 3.2vw, 2.75rem); }
.home .manifesto blockquote { font-size: clamp(1.25rem, 2.5vw, 1.95rem); max-width: 26ch; }
.home .manifesto cite { margin-top: 0.9rem; }

/* studio + servizi più densi */
.home .intro-grid { gap: clamp(1rem, 2.5vw, 2.25rem); }
.home .intro-grid .lead { margin-top: 0.5rem; }
.home .service-row { padding-block: clamp(0.55rem, 1.1vw, 0.9rem); }
.home .service-row p { font-size: 0.9rem; }

/* feature card più basse */
.home .feature { min-height: 138px; padding: clamp(1.1rem, 2vw, 1.6rem); }

/* showcase: foto subito dopo l'etichetta */
.home .showcase.mt-l { margin-top: clamp(0.85rem, 2vw, 1.4rem); }

/* manifesto su due colonne: frase principale a sinistra, citazione + autore a destra */
.manifesto-grid { display: grid; grid-template-columns: 1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: end; }
@media (min-width: 820px) { .manifesto-grid { grid-template-columns: 1.25fr 1fr; } }
.manifesto-grid > blockquote { max-width: none; }
.home .manifesto-grid .manifesto-sub { font-size: clamp(1.05rem, 1.7vw, 1.35rem); line-height: 1.5; font-weight: 400; color: var(--ink-soft); max-width: 42ch; }
.manifesto-grid cite { display: block; margin-top: 1.1rem; font-style: normal; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); }

/* =========================================================
   Pagine "lean" (es. Architettura): testi e spazi bianchi compatti
   ========================================================= */
.lean .section { padding-block: clamp(1.5rem, 3.5vw, 3rem); }
.lean .section--tight { padding-block: clamp(1.4rem, 3vw, 2.4rem); }
.lean .divider { display: none; }
.lean .intro-grid { gap: clamp(1rem, 2.5vw, 2.25rem); }
.lean .intro-grid .lead { margin-top: 0.4rem; }

/* =========================================================
   HOME — hero slideshow con manifesto sopra l'immagine
   ========================================================= */
.hero--slideshow { display: block; min-height: 0; }
.hero--slideshow .hero__media { position: relative; inset: auto; width: 100%; aspect-ratio: 3 / 2; min-height: 68svh; }
.hero__slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.4s var(--ease); }
.hero__slide.is-active { opacity: 1; }
.hero__slide img { width: 100%; height: 100%; object-fit: cover; }
.hero--slideshow .hero__inner { position: absolute; left: 0; right: 0; bottom: 0; padding-top: 0; }
.hero__manifesto { color: #fff; font-weight: 600; font-size: clamp(1.7rem, 3.6vw, 3.3rem); line-height: 1.12; letter-spacing: -0.02em; max-width: 24ch; margin-top: 1rem; }
.hero__sub { color: rgba(255,255,255,.92); font-size: clamp(1.02rem, 1.6vw, 1.35rem); line-height: 1.5; max-width: none; margin-top: 1.1rem; }
.hero__cite { color: rgba(255,255,255,.74); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; margin-top: 1rem; }

/* Hero degli approfondimenti: la foto riempie sempre l'hero (no fascia coi testi sotto su schermi stretti) */
.hero .project__media { position: absolute; inset: 0; aspect-ratio: auto; min-height: 0; }

/* =========================================================
   Portfolio progetti di space planning (griglia clienti)
   ========================================================= */
.sp-grid { display: grid; grid-template-columns: 1fr; gap: clamp(1.5rem, 2.5vw, 2.25rem); }
@media (min-width: 620px) { .sp-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .sp-grid { grid-template-columns: repeat(3, 1fr); } }
.sp-card { display: flex; flex-direction: column; }
.sp-card__media { overflow: hidden; background: var(--line); aspect-ratio: 4 / 3; border-radius: 5px; }
.sp-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.sp-card:hover .sp-card__media img { transform: scale(1.04); }
.sp-card__name { margin-top: 0.9rem; font-size: 1.15rem; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.sp-card__meta { margin-top: 0.25rem; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.13em; color: var(--muted); }
.sp-card__desc { margin-top: 0.55rem; font-size: 0.9rem; line-height: 1.55; color: var(--ink-soft); }

/* =========================================================
   Lista progetti space planning (una riga per progetto + accordion)
   ========================================================= */
.sp-list { border-top: 1px solid var(--line); }
.sp-row { display: grid; grid-template-columns: 1fr; gap: 0.9rem 2rem; padding: clamp(1.25rem, 2.5vw, 1.9rem) 0; border-bottom: 1px solid var(--line); align-items: center; }
@media (min-width: 720px) { .sp-row { grid-template-columns: 390px 1fr auto; } }
.sp-row__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--line); border-radius: 5px; }
.sp-row__media img { width: 100%; height: 100%; object-fit: cover; }
.sp-row__info { min-width: 0; }
.sp-row__name { font-size: clamp(1.3rem, 2.1vw, 1.85rem); font-weight: 600; letter-spacing: -0.015em; color: var(--ink); }
.sp-row__meta { margin-top: 0.3rem; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.13em; color: var(--muted); }
.sp-row__toggle {
  justify-self: start; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.76rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--ink); border: 1px solid var(--line); border-radius: 5px; padding: 0.65rem 1.15rem;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
@media (min-width: 720px) { .sp-row__toggle { justify-self: end; } }
.sp-row__toggle:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.sp-row__toggle .pm { font-size: 1.1em; line-height: 1; }
.sp-row__toggle[disabled] { opacity: 0.35; cursor: default; border-style: dashed; }
.sp-row__toggle[disabled]:hover { background: none; color: var(--ink); border-color: var(--line); }
.sp-row__more { grid-column: 1 / -1; overflow: hidden; max-height: 0; transition: max-height .55s var(--ease); }
.sp-row__more.open { max-height: 800px; }
.sp-row__more p { padding-top: 0.4rem; max-width: 75ch; color: var(--ink-soft); }

/* =========================================================
   Contatori animati (stats) sovrapposti all'immagine
   ========================================================= */
.stats { display: flex; flex-wrap: wrap; justify-content: center; text-align: center; gap: clamp(1.75rem, 5vw, 4rem); margin-top: clamp(1.5rem, 3vw, 2.25rem); }
.stat__num { display: block; font-family: var(--f-sans); font-size: clamp(3.67rem, 8.3vw, 6rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1; color: #fff; }
.stat__num .u { font-size: 0.26em; font-weight: 500; margin-left: 0.2em; letter-spacing: 0; }
.stat__lbl { display: block; margin-top: 0.55rem; font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.14em; color: rgba(255,255,255,.82); }

/* =========================================================
   Community Based Design — pilastri, diagrammi, azioni CTA
   ========================================================= */
.pillar { display: grid; grid-template-columns: 1fr; gap: 0.6rem 2.5rem; padding-block: clamp(1.6rem, 3.5vw, 2.6rem); border-top: 1px solid var(--line); }
.pillar:last-of-type { border-bottom: 1px solid var(--line); }
@media (min-width: 820px) { .pillar { grid-template-columns: 0.4fr 1.6fr; } }
.pillar__head { display: flex; align-items: baseline; gap: 1rem; }
.pillar__head .num { font-size: 0.8rem; color: var(--accent); font-weight: 600; letter-spacing: 0.1em; }
.pillar__head h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); }

.diagram { margin-block: clamp(2.5rem, 5vw, 4rem); max-width: 980px; margin-inline: auto; }
.diagram--wide { max-width: 1100px; }
.diagram img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 5px; background: #fff; }
.diagram figcaption { margin-top: 0.9rem; text-align: center; font-size: 0.76rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); }

.cta__actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.btn--ghost-light { color: rgba(255,255,255,.85); border-color: rgba(255,255,255,.4); }
.btn--ghost-light:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }

/* ---------- Citazioni: attribuzione in basso a destra ---------- */
.manifesto cite, .manifesto-grid cite, .proj-quote cite, .hero__cite, .quote-cite { text-align: right; }
.quote-cite { display: block; margin-top: 1.25rem; font-style: normal; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--muted); }
/* citazioni: ruolo leggermente più piccolo del nome */
.cite-role { font-size: 0.85em; }

/* Logo nel footer (lockup come header, in bianco) */
.site-footer .brand { color: #fff; }
.site-footer .brand-disc span { color: #fff; }
.footer-payoff { margin-top: 0.65rem; font-style: italic; text-transform: lowercase; color: #fff; font-size: 0.95rem; letter-spacing: 0.01em; }
/* mantiene la grafia corretta del brand anche in contesti maiuscoli */
.brandword { text-transform: none; }

/* =========================================================
   Foto mappata con tag grafici (hotspot)
   ========================================================= */
.photo-map { position: relative; }
.photo-map > img { display: block; width: 100%; height: auto; border-radius: 6px; }
/* scrim morbido in alto per leggibilità del claim */
.photo-map::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 48%; border-radius: 6px 6px 0 0; background: linear-gradient(155deg, rgba(0,0,0,.5), rgba(0,0,0,0) 62%); pointer-events: none; z-index: 1; }
.photo-map__claim { position: absolute; top: 0; left: 0; margin: clamp(1rem, 3vw, 2rem); max-width: 16ch; color: #fff; font-weight: 600; font-size: clamp(2.3rem, 4.4vw, 3.8rem); line-height: 1.1; letter-spacing: -0.02em; text-shadow: 0 1px 14px rgba(0,0,0,.4); z-index: 2; pointer-events: none; }
.hotspot { position: absolute; transform: translate(-50%, -50%); z-index: 3; }
.hotspot__dot { width: 28px; height: 28px; border-radius: 50%; background: rgba(44,62,80,.5); cursor: pointer; position: relative; border: 2px solid #fff; box-shadow: 0 2px 10px rgba(0,0,0,.35); transition: transform .2s var(--ease); }
.hotspot__dot::before { content: ""; position: absolute; inset: 0; margin: auto; width: 8px; height: 8px; border-radius: 50%; background: #fff; }
/* variante numerata (temporanea, per posizionare i tag) */
.hotspot--num .hotspot__dot { background: var(--ink); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 0.8rem; font-weight: 600; }
.hotspot--num .hotspot__dot::before { content: none; }
.hotspot__dot::after { content: ""; position: absolute; inset: -8px; border: 2px solid #fff; border-radius: 50%; opacity: .55; animation: hs-pulse 2.2s ease-out infinite; }
@keyframes hs-pulse { 0% { transform: scale(.55); opacity: .55; } 100% { transform: scale(1.5); opacity: 0; } }
.hotspot:hover .hotspot__dot, .hotspot.open .hotspot__dot { transform: scale(1.12); }
.hotspot__card { position: absolute; left: 50%; bottom: calc(100% + 12px); transform: translateX(-50%) translateY(6px); width: max-content; max-width: 230px; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 0.7rem 0.85rem; box-shadow: 0 8px 24px rgba(0,0,0,.18); opacity: 0; visibility: hidden; transition: opacity .25s var(--ease), transform .25s var(--ease); pointer-events: none; text-align: left; }
.hotspot:hover .hotspot__card, .hotspot.open .hotspot__card { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.hotspot__card h4 { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 3px; color: var(--ink); }
.hotspot__card span { font-size: 0.82rem; color: var(--ink-soft); line-height: 1.45; }
.hotspot__card::after { content: ""; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); border: 7px solid transparent; border-top-color: #fff; }