/* ═══════════════════════════════════════════════════
   R. GMB S.R.L. — style.css
   Estetica: "Cava di Pietra" — Barlow Condensed + Lora
   Palette: grigio-pietra #3D3833 | calcare #F7F3EE | rame #8B6F47
   ═══════════════════════════════════════════════════ */

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

:root {
  --stone-dark:   #3D3833;
  --stone-mid:    #6B6560;
  --stone-warm:   #8B6F47;
  --stone-light:  #C8B89A;
  --chalk:        #F7F3EE;
  --chalk-deep:   #EDE7DF;
  --white:        #FFFFFF;
  --black:        #1A1714;

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;
  --font-serif:   'Lora', serif;

  --radius:       2px;
  --transition:   0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --gap:          clamp(3rem, 6vw, 6rem);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 68px;
  font-size: 16px;
}

body {
  background-color: var(--chalk);
  color: var(--stone-dark);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.65;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; }

/* ── TYPOGRAPHY SYSTEM ── */
.section-tag {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone-warm);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--stone-dark);
}

/* ── CONTAINER ── */
.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
}

/* ═══════════════════════════════════════
   HEADER
═══════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
}

/* fondo del header gestito da pseudo-element per transizione perfettamente fluida */
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(247, 243, 238, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(61, 56, 51, 0.1);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
  z-index: -1;
}

.site-header.scrolled::before {
  opacity: 1;
}

.header-inner {
  width: min(1200px, 92vw);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  height: 34px;
  width: auto;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 0;
}

.logo-main {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--white);
  transition: color var(--transition);
}

.logo-sub {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  transition: color var(--transition);
}

.site-header.scrolled .logo-main { color: var(--stone-dark); }
.site-header.scrolled .logo-sub  { color: var(--stone-warm); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--stone-warm);
  transition: width var(--transition);
}

.nav-link:hover::after { width: 100%; }
.nav-link:hover { color: var(--white); }

.site-header.scrolled .nav-link       { color: var(--stone-dark); }
.site-header.scrolled .nav-link:hover { color: var(--stone-warm); }

.nav-cta {
  padding: 0.5rem 1.25rem;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.nav-cta:hover {
  background: var(--stone-dark);
  color: var(--chalk) !important;
  border-color: var(--stone-dark);
}

.nav-cta::after { display: none; }

.site-header:not(.scrolled) .nav-cta {
  border-color: rgba(255,255,255,0.5);
}
.site-header:not(.scrolled) .nav-cta:hover {
  background: var(--white);
  color: var(--stone-dark) !important;
  border-color: var(--white);
}

.burger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-width: 44px;
  min-height: 44px;
  padding: 4px;
}
.burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--stone-dark);
  transition: transform var(--transition), opacity var(--transition);
}
.site-header:not(.scrolled) .burger span { background: var(--white); }

.burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ═══════════════════════════════════════
   HERO
═══════════════════════════════════════ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
}

.hero-stone-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-stone-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero.in-view .hero-stone-img { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    rgba(26, 23, 20, 0.72) 0%,
    rgba(26, 23, 20, 0.45) 55%,
    rgba(26, 23, 20, 0.15) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1200px, 92vw);
  margin-inline: auto;
  padding-top: 68px;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stone-light);
  margin-bottom: 1.25rem;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.8s 0.3s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(5rem, 14vw, 13rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--white);
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 2rem;
}

.hero-title .line-a {
  opacity: 0;
  transform: translateX(-30px);
  animation: fadeRight 0.8s 0.5s forwards;
}

.hero-title .line-b {
  color: var(--stone-light);
  opacity: 0;
  transform: translateX(-30px);
  animation: fadeRight 0.8s 0.7s forwards;
}

.hero-lead {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  color: rgba(247, 243, 238, 0.85);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.8s 0.9s forwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.8s 1.1s forwards;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: var(--stone-warm);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover {
  background: var(--stone-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-block;
  padding: 0.85rem 2rem;
  border: 1px solid rgba(247, 243, 238, 0.5);
  color: var(--chalk);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.btn-ghost:hover {
  background: rgba(247, 243, 238, 0.12);
  border-color: var(--chalk);
  transform: translateY(-2px);
}

/* ── SCROLL HINT (migliorato) ── */
.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  z-index: 1;
  opacity: 0;
  animation: fadeUp 0.8s 1.5s forwards;
  cursor: pointer;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--stone-light));
  animation: scrollDown 2s 2s infinite;
  transform-origin: top;
}

.scroll-label {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(200, 184, 154, 0.8);
  order: -1;
}



/* ═══════════════════════════════════════
   SERVICES
═══════════════════════════════════════ */
.section-services {
  padding: var(--gap) 0;
  background: var(--chalk);
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-header.centered {
  text-align: center;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: rgba(61, 56, 51, 0.12);
  border: 1px solid rgba(61, 56, 51, 0.12);
}

.service-card {
  background: var(--chalk);
  padding: 2.5rem 2rem;
  transition: background var(--transition);
  opacity: 0;
  transform: translateY(24px);
}

.service-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, background var(--transition);
}

.service-card:hover {
  background: var(--chalk-deep);
}

.card-icon {
  font-size: 1.4rem;
  color: var(--stone-warm);
  margin-bottom: 1.25rem;
  line-height: 1;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
  color: var(--stone-dark);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.card-body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--stone-mid);
}

/* ═══════════════════════════════════════
   MATERIALS — REDESIGNED
═══════════════════════════════════════ */
.section-materials {
  background: var(--stone-dark);
  padding: var(--gap) 0;
  overflow: hidden;
}

.mat-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.mat-tag {
  color: var(--stone-light);
}

.mat-title {
  color: var(--chalk);
  margin-bottom: 1.25rem;
}

.mat-intro {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: rgba(247, 243, 238, 0.65);
  line-height: 1.85;
  max-width: 600px;
  margin-inline: auto;
}

/* 4-card grid */
.mat-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: rgba(0,0,0,0.4);
}

.mat-card {
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.03);
  overflow: hidden;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.mat-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.mat-card:hover .mat-card-img {
  transform: scale(1.06);
}

.mat-card-img-wrap {
  overflow: hidden;
  height: 200px;
  flex-shrink: 0;
}

.mat-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center;
  flex-shrink: 0;
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.mat-card-body {
  padding: 1.75rem 1.5rem 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid rgba(200, 184, 154, 0.12);
}

.mat-card-num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--stone-warm);
  text-transform: uppercase;
}

.mat-card-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  letter-spacing: 0.02em;
  color: var(--chalk);
  line-height: 1.1;
}

.mat-card-desc {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.83rem;
  color: rgba(200, 184, 154, 0.75);
  line-height: 1.75;
  margin-top: 0.25rem;
}

/* ═══════════════════════════════════════
   SECTORS
═══════════════════════════════════════ */
.section-sectors {
  padding: var(--gap) 0;
  background: var(--chalk-deep);
}

.sectors-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px;
  background: rgba(61, 56, 51, 0.1);
  border: 1px solid rgba(61, 56, 51, 0.1);
  margin-top: 3rem;
}

.sector-item {
  background: var(--chalk-deep);
  padding: 2.5rem 1.75rem;
  transition: background var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.sector-item.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, background var(--transition);
}

.sector-item:hover { background: var(--chalk); }

.sector-icon {
  width: 36px;
  height: 36px;
  color: var(--stone-warm);
  margin-bottom: 1.25rem;
  transition: color var(--transition);
}

.sector-icon svg {
  width: 100%;
  height: 100%;
}

.sector-item:hover .sector-icon {
  color: var(--stone-dark);
}

.sector-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--stone-dark);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.sector-desc {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--stone-mid);
  line-height: 1.7;
}

/* ═══════════════════════════════════════
   CONTACT — full-width card layout
═══════════════════════════════════════ */
.section-contact {
  background: var(--stone-dark);
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(4rem, 8vw, 6rem);
  position: relative;
  overflow: hidden;
}

/* subtle stone texture overlay */
.section-contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(139,111,71,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.contact-inner {
  width: min(1200px, 92vw);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 5vw, 5rem);
  position: relative;
}

/* ── Header ── */
.contact-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
}

.contact-text .section-tag.light,
.contact-header .section-tag.light { color: var(--stone-light); }

.contact-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  line-height: 1.0;
  color: var(--chalk);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.contact-lead {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: rgba(247, 243, 238, 0.6);
  line-height: 1.85;
}

/* ── Cards grid ── */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(200, 184, 154, 0.15);
  border: 1px solid rgba(200, 184, 154, 0.15);
  border-radius: 2px;
  overflow: hidden;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 2.5rem 2rem 2.2rem;
  background: rgba(247, 243, 238, 0.03);
  color: inherit;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
  position: relative;
}

a.contact-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 2rem; right: 2rem;
  height: 1px;
  background: var(--stone-warm);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

a.contact-card:hover {
  background: rgba(139, 111, 71, 0.1);
}

a.contact-card:hover::after {
  transform: scaleX(1);
}

.ccard-icon {
  font-size: 1.3rem;
  color: var(--stone-warm);
  line-height: 1;
  margin-bottom: 0.4rem;
  display: block;
}

.ccard-label {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.63rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stone-light);
}

.ccard-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--chalk);
  line-height: 1.4;
  transition: color var(--transition);
}

a.contact-card:hover .ccard-value { color: var(--stone-light); }

/* ── Bottom bar ── */
.contact-footer-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(200, 184, 154, 0.15);
}

.contact-meta {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.73rem;
  letter-spacing: 0.06em;
  color: rgba(200, 184, 154, 0.55);
}

.contact-meta-sep {
  color: rgba(200, 184, 154, 0.25);
  font-size: 0.9rem;
}


/* ═══════════════════════════════════════
   FOOTER — redesigned & legibile
═══════════════════════════════════════ */
.site-footer {
  background: var(--black);
  padding: 3.5rem 0 2rem;
  border-top: 2px solid rgba(139, 111, 71, 0.3);
}

.footer-inner {
  width: min(1200px, 92vw);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: clamp(2rem, 5vw, 4rem);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  color: var(--chalk);
}

.footer-tagline {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.78rem;
  color: var(--stone-mid);
  line-height: 1.6;
  letter-spacing: 0.05em;
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  align-items: flex-end;
}

.footer-contact-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.1rem;
  color: inherit;
  transition: color var(--transition);
}

a.footer-contact-item:hover { color: var(--stone-light); }

.footer-contact-label {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone-warm);
}

.footer-contact-val {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--chalk);
  letter-spacing: 0.02em;
}

.footer-bottom {
  border-top: 1px solid rgba(200, 184, 154, 0.12);
  padding-top: 1.5rem;
}

.footer-copy {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.73rem;
  color: rgba(200, 184, 154, 0.6);
  line-height: 1.7;
  letter-spacing: 0.01em;
}

/* ═══════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════ */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeRight {
  to { opacity: 1; transform: translateX(0); }
}


@keyframes scrollDown {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  30%  { opacity: 1; }
  70%  { opacity: 1; }
  100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 1024px) {
  .mat-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-contacts {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem 2.5rem;
  }
  .footer-contact-item {
    align-items: flex-start;
  }
}

@media (max-width: 900px) {
  /* Header sempre opaco su mobile, con sfondo diretto (niente
     pseudo-elemento + backdrop-filter, che su alcuni browser mobile
     può creare bug di compositing e rendere invisibili gli elementi
     sopra di esso). Il burger non deve dipendere dal contrasto con
     l'immagine hero sottostante. */
  .site-header {
    background: var(--chalk) !important;
    box-shadow: 0 1px 0 rgba(61, 56, 51, 0.1);
  }
  .site-header::before { display: none !important; }
  .logo-main { color: var(--stone-dark) !important; }
  .logo-sub  { color: var(--stone-warm) !important; }
  .burger {
    display: flex !important;
    position: relative;
    z-index: 101;
  }
  .burger span { background: var(--stone-dark) !important; }

  /* Pannello a tendina: ancorato in modo fisso subito sotto l'header
     (top:68px) e MAI spostato oltre quel punto. Apertura/chiusura via
     opacity + visibility + un piccolo transform (non max-height, che
     può tagliare i link se la stima è troppo bassa; non translateY
     ampio, che attraverserebbe l'header sconfinando sul logo). */
  .main-nav {
    position: fixed;
    top: 68px; left: 0; right: 0;
    max-height: calc(100svh - 68px);
    overflow-y: auto;
    background: var(--chalk);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0 2rem;
    border-bottom: 1px solid rgba(61,56,51,0.1);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    z-index: 99;

    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity var(--transition), transform var(--transition), visibility 0s linear var(--transition);
  }
  .main-nav.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity var(--transition), transform var(--transition), visibility 0s linear 0s;
  }
  .nav-link {
    color: var(--stone-dark) !important;
    width: 100%;
    padding: 1rem 2rem;
    border-bottom: 1px solid rgba(61,56,51,0.06);
  }
  .nav-cta {
    margin: 1rem 2rem 0;
    width: calc(100% - 4rem);
    text-align: center;
    padding: 0.75rem;
    border-color: var(--stone-dark) !important;
  }

  .contact-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .mat-cards-grid {
    grid-template-columns: 1fr 1fr;
  }
  .mat-card-swatch { height: 140px; }

  .footer-top {
    flex-direction: column;
    gap: 2rem;
  }
  .footer-contacts {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.9rem;
  }
  .footer-contact-item {
    align-items: flex-start;
  }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .hero-title { font-size: clamp(4rem, 18vw, 6rem); }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-ghost { width: 100%; text-align: center; }
  .services-grid { grid-template-columns: 1fr; }
  .sectors-row { grid-template-columns: 1fr; }
  .mat-cards-grid { grid-template-columns: 1fr; }

  /* ── Contatti diretti: rifinitura mobile ── */
  .section-contact {
    padding: 3.5rem 0 2.75rem;
  }
  .contact-inner {
    gap: 2.25rem;
  }
  .contact-header {
    text-align: left;
    margin-inline: 0;
  }
  .contact-lead {
    font-size: 0.92rem;
    line-height: 1.7;
  }
  .contact-cards {
    grid-template-columns: 1fr;
    border-left: none;
    border-right: none;
    border-radius: 0;
    margin-inline: calc(-4vw);
    width: calc(100% + 8vw);
  }
  .contact-card {
    padding: 1.4rem 4vw;
    gap: 0.4rem;
  }
  .ccard-icon {
    margin-bottom: 0;
  }
  .contact-footer-bar {
    flex-direction: column;
    gap: 0.4rem;
    text-align: center;
  }
  .contact-meta-sep { display: none; }
}