/* ============================================
   OPERA ENGINEERING — CSS PRINCIPALE
   Design: Raffinato / Architettonico / Moderno
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Josefin+Sans:wght@100;300;400;600&family=DM+Mono:wght@300;400&display=swap');

/* === VARIABILI === */
:root {
  --nero: #f7f5ef;
  --bianco: #ffffff;
  --oro: #9b7b43;
  --oro-chiaro: #d8c69b;
  --grigio-scuro: #ece8df;
  --grigio-medio: #d9d4ca;
  --grigio-chiaro: #282a2c;
  --accento: #415366;
  --testo: #25303a;
  --testo-scuro: #17222d;
  --linea: rgba(65, 83, 102, 0.14);
  --superficie: rgba(255,255,255,0.72);
  --ombra: 0 24px 70px rgba(31, 42, 55, 0.10);
  --font-display: 'Cormorant Garamond', serif;
  --font-ui: 'Josefin Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --transizione: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

* {
  min-width: 0;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--nero);
  color: var(--testo);
  font-family: var(--font-ui);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* === CURSORE PERSONALIZZATO === */
.cursor {
  position: fixed;
  width: 10px; height: 10px;
  background: var(--oro);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, width 0.3s, height 0.3s, background 0.3s;
  mix-blend-mode: difference;
}

/* .cursor-follower {
  position: fixed;
  width: 40px; height: 40px;
  border: 1px solid var(--oro);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease, width 0.3s, height 0.3s, opacity 0.3s;
  opacity: 0.5;
} */

@media (hover: none), (pointer: coarse), (prefers-reduced-motion: reduce) {
  .cursor,
  .cursor-follower {
    display: none;
  }
}

body:has(a:hover) .cursor { width: 20px; height: 20px; }
body:has(a:hover) .cursor-follower { width: 60px; height: 60px; opacity: 0.2; }

/* === LOADER === */
#loader {
  position: fixed; inset: 0;
  background: var(--nero);
  z-index: 9998;
  display: none;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s;
}

#loader.hidden { opacity: 0; visibility: hidden; }

.loader-content {
  text-align: center;
}

.loader-logo {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 300;
  color: var(--oro);
  letter-spacing: 0.3em;
  overflow: hidden;
}

.loader-line {
  width: 0;
  height: 1px;
  background: var(--oro);
  margin: 20px auto;
  animation: loaderLine 1.5s ease forwards 0.5s;
}

@keyframes loaderLine {
  to { width: 200px; }
}

.loader-text {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--grigio-chiaro);
  text-transform: uppercase;
}

/* === NAVIGAZIONE === */
body > nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 24px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transizione), padding var(--transizione);
}

body > nav.scrolled {
  background: rgba(247,245,239,0.9);
  backdrop-filter: blur(20px);
  padding: 16px 60px;
  border-bottom: 1px solid var(--linea);
  box-shadow: 0 12px 40px rgba(31,42,55,0.06);
}

.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-logo-main {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--oro);
}

.nav-logo-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.5em;
  color: var(--grigio-chiaro);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 40px;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--grigio-chiaro);
  position: relative;
  transition: color var(--transizione);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--oro);
  transition: width var(--transizione);
}

.nav-links a:hover,
.nav-links a.active { color: var(--oro); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  font-size: 0.6rem !important;
  letter-spacing: 0.3em;
  color: #fff !important;
  background: var(--accento);
  padding: 10px 24px;
  transition: background var(--transizione), color var(--transizione) !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--oro) !important; }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

.burger span {
  display: block;
  width: 28px; height: 1px;
  background: var(--oro);
  transition: var(--transizione);
}

.burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  display: none !important;
  position: fixed;
  inset: 0;
  background: rgba(247,245,239,0.97);
  backdrop-filter: blur(30px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.mobile-menu.open { display: flex !important; }

.mobile-menu a {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--testo);
  transition: color var(--transizione);
}

.mobile-menu a:hover { color: var(--oro); }

/* === HERO === */
.hero {
  min-height: 92vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #e9e4d8;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  filter: saturate(0.72) contrast(0.94);
  z-index: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(90deg, rgba(247,245,239,0.96) 0%, rgba(247,245,239,0.74) 48%, rgba(247,245,239,0.94) 100%),
    linear-gradient(135deg, rgba(65,83,102,0.14) 0%, rgba(155,123,67,0.08) 42%, transparent 72%);
  z-index: 1;
  opacity: 70%;
  pointer-events: none;
}

.hero-lines {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.hero-line {
  position: absolute;
  background: rgba(65,83,102,0.09);
}

.hero-line:nth-child(1) { width: 1px; height: 60%; top: 0; left: 15%; }
.hero-line:nth-child(2) { width: 1px; height: 40%; bottom: 0; right: 20%; }
.hero-line:nth-child(3) { width: 30%; height: 1px; bottom: 25%; left: 0; }
.hero-line:nth-child(4) { width: 20%; height: 1px; top: 30%; right: 0; }

.hero-number {
  position: absolute;
  top: 50%; left: 5%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: clamp(8rem, 18vw, 16rem);
  color: rgba(65,83,102,0.045);
  font-weight: 400;
  line-height: 1;
  user-select: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding: 0 40px;
  text-align: center;
}

@keyframes heroStillMotion {
  from { transform: scale(1); filter: saturate(0.9); }
  to { transform: scale(1.055) translate3d(-1.5%, -1%, 0); filter: saturate(1); }
}

.proof-strip {
  background: var(--bianco);
  border-top: 1px solid var(--linea);
  border-bottom: 1px solid var(--linea);
  padding: 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.proof-item {
  padding: 34px 40px;
  border-right: 1px solid var(--linea);
}

.proof-item:last-child { border-right: 0; }

.proof-kicker {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--oro);
  margin-bottom: 10px;
}

.proof-text {
  font-size: 0.95rem;
  color: rgba(37,48,58,0.72);
  line-height: 1.7;
  overflow-wrap: break-word;
}

.projects-showcase {
  background: var(--nero);
  padding: 96px 0;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 50px;
}

.project-card {
  min-height: 360px;
  position: relative;
  overflow: hidden;
  background: var(--bianco);
  box-shadow: var(--ombra);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.05) brightness(0.98) saturate(0.88);
  transition: transform var(--transizione), filter var(--transizione);
}

.project-card:hover img {
  transform: scale(1.04);
  filter: grayscale(0) brightness(1) saturate(1);
}

.project-caption {
  position: absolute;
  inset: auto 0 0;
  padding: 28px;
  background: linear-gradient(to top, rgba(23,34,45,0.82), transparent);
  color: #fff;
}

.project-caption span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--oro);
}

.project-caption h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 300;
  margin-top: 8px;
}

.team-photo {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border: 1px solid rgba(200,169,110,0.25);
  filter: grayscale(0.2);
  margin-bottom: 24px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.5em;
  color: var(--oro);
  text-transform: uppercase;
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.7s ease forwards 0.15s;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 8vw, 7.2rem);
  font-weight: 300;
  line-height: 1.0;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards 0.25s;
}

.hero-title em {
  font-style: italic;
  color: var(--oro);
}

.hero-acronym {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.7s ease forwards 0.35s;
}

.hero-acronym-item {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-acronym-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--oro);
  line-height: 1;
}

.hero-desc {
  max-width: 500px;
  margin: 0 auto 50px;
  font-size: 1rem;
  color: rgba(37,48,58,0.78);
  line-height: 1.8;
  opacity: 0;
  animation: fadeUp 0.7s ease forwards 0.45s;
}

.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.7s ease forwards 0.55s;
}

.btn-primary {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 16px 40px;
  background: var(--accento);
  color: #fff;
  transition: var(--transizione);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--oro);
  transform: translateX(-100%);
  transition: transform var(--transizione);
}

.btn-primary:hover::before { transform: translateX(0); }
.btn-primary span { position: relative; z-index: 1; }

.btn-ghost {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 16px 40px;
  border: 1px solid rgba(65,83,102,0.28);
  color: var(--accento);
  transition: var(--transizione);
}

.btn-ghost:hover {
  background: rgba(65,83,102,0.08);
  border-color: var(--accento);
}

.hero-scroll {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0;
  animation: fadeUp 0.7s ease forwards 0.7s;
}

.hero-scroll span {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.4em;
  color: var(--grigio-chiaro);
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--oro), transparent);
  animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* === SEZIONI GENERALI === */
section {
  padding: 120px 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--oro);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.section-label::before {
  content: '';
  width: 40px; height: 1px;
  background: var(--oro);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 24px;
}

.section-title em {
  font-style: italic;
  color: var(--oro);
}

/* === CHI SIAMO === */
.about {
  background: var(--bianco);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: 'OPERA';
  position: absolute;
  top: 50%; right: -5%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(8rem, 20vw, 18rem);
  font-weight: 300;
  color: rgba(65,83,102,0.045);
  white-space: nowrap;
  pointer-events: none;
  line-height: 1;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text p {
  color: rgba(37,48,58,0.72);
  margin-bottom: 20px;
  font-size: 0.95rem;
  line-height: 1.9;
}

.about-text p strong {
  color: var(--oro);
  font-weight: 400;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.stat-item {
  border-top: 1px solid var(--linea);
  padding: 24px 0 0;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  color: var(--oro);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--grigio-chiaro);
}

/* === ATTIVITÀ === */
.activities {
  background: var(--bianco);
  position: relative;
}

.activities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 60px;
}

.activity-card {
  background: var(--nero);
  padding: 50px 40px;
  position: relative;
  overflow: hidden;
  transition: var(--transizione);
  cursor: default;
}

.activity-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--oro);
  transition: width var(--transizione);
}

.activity-card:hover::before { width: 100%; }

.activity-card:hover {
  background: #fff;
  box-shadow: var(--ombra);
}

.activity-number {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--oro);
  margin-bottom: 24px;
}

.activity-icon {
  width: 48px; height: 48px;
  margin-bottom: 20px;
  opacity: 0.8;
}

.activity-title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 300;
  margin-bottom: 20px;
  line-height: 1.2;
}

.activity-list {
  margin-top: 16px;
}

.activity-list li {
  font-size: 0.92rem;
  color: rgba(37,48,58,0.66);
  padding: 8px 0;
  border-bottom: 1px solid var(--linea);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.activity-list li::before {
  content: '→';
  color: var(--oro);
  flex-shrink: 0;
  font-size: 0.7rem;
  margin-top: 2px;
}

/* === ORGANIZZAZIONE === */
.team {
  background: var(--grigio-scuro);
  position: relative;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 60px;
}

.team-card {
  background: var(--nero);
  padding: 40px 30px;
  position: relative;
  overflow: hidden;
  transition: var(--transizione);
}

.team-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 2px; height: 0;
  background: var(--oro);
  transition: height var(--transizione);
}

.team-card:hover::after { height: 100%; }
.team-card:hover { background: rgba(200,169,110,0.05); }

.team-avatar {
  width: 70px; height: 70px;
  border-radius: 50%;
  background: var(--grigio-medio);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(200,169,110,0.2);
  transition: border-color var(--transizione);
}

.team-card:hover .team-avatar {
  border-color: var(--oro);
}

.team-avatar svg {
  width: 32px; height: 32px;
  stroke: var(--oro);
  opacity: 0.6;
}

.team-role-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--oro);
  margin-bottom: 8px;
}

.team-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 8px;
  line-height: 1.3;
}

.team-role {
  font-size: 0.75rem;
  color: rgba(37,48,58,0.62);
  line-height: 1.5;
}

.team-email {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--oro);
  opacity: 0.7;
  transition: opacity var(--transizione);
}

.team-email:hover { opacity: 1; }

/* === PROFILO / PROCESSO === */
.process {
  background: var(--grigio-scuro);
  position: relative;
  overflow: hidden;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 80px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px; left: 0; right: 0;
  height: 1px;
  background: var(--linea);
  z-index: 0;
}

.process-step {
  padding: 0 20px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bianco);
  border: 1px solid var(--oro);
  margin: 34px auto 30px;
  transition: background var(--transizione), transform var(--transizione);
}

.process-step:hover .step-dot {
  background: var(--oro);
  transform: scale(1.5);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--oro);
  margin-bottom: 12px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 300;
  margin-bottom: 12px;
}

.step-desc {
  font-size: 0.85rem;
  color: rgba(37,48,58,0.62);
  line-height: 1.6;
}

/* === CONTATTI === */
.contacts {
  background: var(--grigio-scuro);
  position: relative;
  overflow: hidden;
}

.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-top: 60px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-icon {
  width: 44px; height: 44px;
  border: 1px solid rgba(200,169,110,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 18px; height: 18px;
  stroke: var(--oro);
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--grigio-chiaro);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 1rem;
  color: var(--testo);
  line-height: 1.6;
}

.contact-value a {
  color: var(--oro);
  transition: opacity var(--transizione);
}

.contact-value a:hover { opacity: 0.7; }

/* Modulo contatto */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--grigio-chiaro);
}

.form-input,
.form-textarea {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(200,169,110,0.15);
  padding: 14px 18px;
  color: var(--testo);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 300;
  transition: border-color var(--transizione);
  outline: none;
  resize: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--oro);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(37,48,58,0.38);
}

.form-textarea { min-height: 120px; }

/* === PARTNER === */
.partner-section {
  background: var(--bianco);
  border-top: 1px solid var(--linea);
  padding: 60px 0;
}

.partner-inner {
  display: flex;
  align-items: center;
  gap: 40px;
}

.partner-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--grigio-chiaro);
  white-space: nowrap;
}

.partner-line {
  flex: 1;
  height: 1px;
  background: var(--linea);
}

.partner-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 300;
  color: rgba(200,169,110,0.5);
  letter-spacing: 0.15em;
  transition: color var(--transizione);
}

.partner-logo:hover { color: var(--oro); }

/* === FOOTER === */
footer {
  background: #17222d;
  color: rgba(255,255,255,0.78);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 60px 0 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 300;
  color: var(--oro);
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}

.footer-brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--grigio-chiaro);
  margin-bottom: 20px;
}

.footer-desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  max-width: 280px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--oro);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transizione);
  letter-spacing: 0.05em;
}

.footer-links a:hover { color: var(--oro); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.42);
  text-transform: uppercase;
}

.footer-legal {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.35);
}

.social-links {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.social-link {
  width: 36px; height: 36px;
  border: 1px solid rgba(200,169,110,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transizione);
}

.social-link:hover {
  border-color: var(--oro);
  background: rgba(200,169,110,0.1);
}

.social-link svg {
  width: 14px; height: 14px;
  stroke: var(--oro);
}

/* === ANIMAZIONI SCROLL === */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Delay utility classes */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* === DIVIDER === */
.divider {
  width: 60px; height: 1px;
  background: var(--oro);
  margin: 30px 0;
}

/* === RESPONSIVE === */
@media (max-width: 1100px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); gap: 40px; }
  .process-steps::before { display: none; }
}

@media (max-width: 900px) {
  .container { padding: 0 30px; }
  body > nav { padding: 20px 30px; }
  body > nav.scrolled { padding: 14px 30px; }
  .nav-links { display: none; }
  .burger { display: flex; }
  .about-grid { grid-template-columns: 1fr; gap: 50px; }
  .activities-grid { grid-template-columns: 1fr; }
  .proof-grid,
  .project-grid { grid-template-columns: 1fr; }
  .proof-item { border-right: 0; border-bottom: 1px solid rgba(200,169,110,0.1); padding: 28px 30px; }
  .project-card { min-height: 300px; }
  .contacts-grid { grid-template-columns: 1fr; gap: 50px; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  section { padding: 80px 0; }
}

@media (max-width: 700px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  body > nav {
    padding: 22px 24px;
  }

  body > nav.scrolled {
    padding: 14px 24px;
  }

  .about-stats { grid-template-columns: 1fr 1fr; gap: 24px; }
  .team-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .hero {
    height: 780px;
    min-height: 740px;
    max-height: 860px;
  }

  .hero-video {
    object-position: center center;
  }

  .hero-bg {
    background:
      linear-gradient(180deg, rgba(247,245,239,0.78) 0%, rgba(247,245,239,0.88) 35%, rgba(247,245,239,0.72) 100%),
      linear-gradient(135deg, rgba(65,83,102,0.12) 0%, rgba(155,123,67,0.08) 45%, transparent 74%);
  }

  .hero-number {
    left: 8%;
    font-size: 8rem;
  }

  .hero-actions { flex-direction: column; align-items: center; }
  .hero-content { padding: 0 24px; }
  .hero-eyebrow {
    letter-spacing: 0.18em;
    font-size: 0.52rem;
    margin-bottom: 22px;
    white-space: normal;
  }

  .hero-title {
    width: 100%;
    max-width: 100%;
    font-size: clamp(2.7rem, 13vw, 3.35rem);
    line-height: 0.96;
    margin-bottom: 22px;
  }

  .hero-acronym {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 18px;
    width: 100%;
    max-width: 260px;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-acronym-item[style] { display: none; }
  .hero-acronym-item { letter-spacing: 0.12em; }
  .hero-acronym-item strong { font-size: 1.35rem; }
  .hero-desc {
    width: 100%;
    max-width: min(310px, calc(100vw - 56px));
    font-size: 0.85rem;
    overflow-wrap: break-word;
  }

  .btn-primary,
  .btn-ghost {
    width: min(100%, 260px);
    text-align: center;
    padding: 15px 22px;
  }

  .hero-scroll {
    bottom: 28px;
  }

  .proof-item {
    padding: 26px 24px;
  }

  .proof-text,
  .about-text p,
  .activity-list li,
  .step-desc,
  .contact-value,
  .team-email,
  p,
  h1,
  h2,
  h3 {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .section-label {
    letter-spacing: 0.26em;
    font-size: 0.55rem;
  }

  .section-title {
    font-size: clamp(2.2rem, 12vw, 3.2rem);
  }

  .activity-card {
    padding: 34px 26px;
  }

  .page-header {
    padding: 130px 0 64px;
  }

  .page-title {
    font-size: clamp(2.8rem, 14vw, 4rem);
  }

  .contacts-grid,
  .about-grid,
  .footer-top {
    gap: 36px;
  }

  [style*="grid-template-columns:1fr 2fr"],
  [style*="grid-template-columns: 1fr 2fr"],
  [style*="grid-template-columns:1fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"] {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 22px !important;
    max-width: 100% !important;
  }

  [style*="position:sticky"],
  [style*="position: sticky"] {
    position: static !important;
  }

  [style*="padding:60px 0"],
  [style*="padding: 60px 0"] {
    padding: 42px 0 !important;
  }

  [style*="padding:30px"],
  [style*="padding: 30px"] {
    padding: 24px !important;
  }

  [style*="max-width:700px"],
  [style*="max-width: 700px"] {
    max-width: 100% !important;
  }

  [style*="font-size:1.05rem"] {
    font-size: 0.98rem !important;
  }

  [style*="font-size:0.95rem"],
  [style*="font-size:0.9rem"],
  [style*="font-size:0.85rem"],
  [style*="font-size:0.82rem"] {
    line-height: 1.75 !important;
  }
}

@media (max-width: 420px) {
  .nav-logo-main { font-size: 1.15rem; }
  .nav-logo-sub { letter-spacing: 0.36em; }
  .hero-title { font-size: clamp(2.55rem, 12.6vw, 3.05rem); }
  .hero-eyebrow { letter-spacing: 0.18em; }
}

/* === PAGINA ATTIVA === */
.page-header {
  padding: 160px 0 80px;
  background: var(--grigio-scuro);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: attr(data-title);
  position: absolute;
  top: 50%; right: -2%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 300;
  color: rgba(200,169,110,0.03);
  white-space: nowrap;
  pointer-events: none;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 300;
  line-height: 1.1;
}

.page-title em { font-style: italic; color: var(--oro); }

/* === TOAST === */
.toast {
  position: fixed;
  bottom: 40px; right: 40px;
  background: var(--grigio-scuro);
  border: 1px solid rgba(200,169,110,0.3);
  border-left: 3px solid var(--oro);
  padding: 16px 24px;
  z-index: 9999;
  transform: translateX(200%);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  max-width: 300px;
}

.toast.show { transform: translateX(0); }

.toast-msg {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--testo);
}

/* === MOBILE REFINEMENT OVERRIDES === */
@media (max-width: 700px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
  }

  body,
  main,
  header,
  footer,
  section,
  article,
  nav,
  .container,
  .page-header,
  .proof-strip,
  .about,
  .activities,
  .projects,
  .process,
  .team,
  .contacts,
  .site-footer,
  .hero-content,
  .proof-grid,
  .proof-item,
  .about-grid,
  .about-text,
  .activities-grid,
  .project-grid,
  .process-steps,
  .team-grid,
  .contacts-grid,
  .footer-top,
  .contact-form,
  .contact-info,
  .activity-card,
  .project-card,
  .team-card {
    width: 100%;
    max-width: 100%;
  }

  .container {
    padding-left: 24px;
    padding-right: 24px;
  }

  .page-header {
    padding: 128px 0 62px;
  }

  .page-header::before {
    right: auto;
    left: 18px;
    font-size: clamp(4.8rem, 27vw, 7rem);
    white-space: normal;
    max-width: calc(100vw - 36px);
    line-height: 0.9;
  }

  .page-title {
    font-size: clamp(2.65rem, 13vw, 3.85rem);
    line-height: 1;
  }

  .section-title {
    font-size: clamp(2.15rem, 11vw, 3rem);
    line-height: 1.04;
  }

  .section-label,
  .proof-kicker,
  .activity-number,
  .step-num,
  .contact-label,
  .footer-col-title,
  .stat-label,
  [style*="letter-spacing:0.4em"],
  [style*="letter-spacing: 0.4em"],
  [style*="letter-spacing:0.3em"],
  [style*="letter-spacing: 0.3em"],
  [style*="letter-spacing:0.2em"],
  [style*="letter-spacing: 0.2em"] {
    letter-spacing: 0.14em !important;
  }

  [style] {
    max-width: 100% !important;
    min-width: 0 !important;
  }

  [style*="display:grid"],
  [style*="display: grid"] {
    max-width: 100% !important;
  }

  [style*="grid-template-columns:1fr 2fr"],
  [style*="grid-template-columns: 1fr 2fr"],
  [style*="grid-template-columns:1fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"],
  [style*="grid-template-columns:repeat(2"],
  [style*="grid-template-columns: repeat(2"] {
    grid-template-columns: 1fr !important;
    gap: 22px !important;
  }

  [style*="display:flex"],
  [style*="display: flex"] {
    flex-wrap: wrap !important;
  }

  [style*="font-size:2rem"],
  [style*="font-size: 2rem"],
  [style*="font-size:1.8rem"],
  [style*="font-size: 1.8rem"] {
    font-size: clamp(1.55rem, 8vw, 2rem) !important;
  }

  [style*="font-size:3rem"],
  [style*="font-size: 3rem"] {
    font-size: 2.25rem !important;
  }

  [style*="padding:60px 0"],
  [style*="padding: 60px 0"] {
    padding-top: 42px !important;
    padding-bottom: 42px !important;
  }

  [style*="padding:30px"],
  [style*="padding: 30px"],
  .activity-card,
  .contact-form,
  .contact-info {
    padding: 24px !important;
  }

  p,
  h1,
  h2,
  h3,
  h4,
  a,
  span,
  li,
  div {
    overflow-wrap: break-word;
    word-break: normal;
  }

  .proof-text,
  .activity-list li,
  .step-desc,
  .contact-value,
  .team-email {
    hyphens: auto;
  }

  .toast {
    left: 20px;
    right: 20px;
    bottom: 20px;
    max-width: none;
  }
}

@media (max-width: 420px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .proof-item,
  .activity-card,
  .contact-form,
  .contact-info {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }

  .page-title {
    font-size: clamp(2.45rem, 12.5vw, 3.25rem);
  }
}