/* ============================================================
   PONTINI SOLUTIONS — Design System
   ============================================================ */

:root {
  /* Palette */
  --color-dark:       #18181A;
  --color-dark-80:    rgba(24, 24, 26, 0.80);
  --color-off-white:  #F2EFE6;
  --color-white:      #FAFAF8;
  --color-mid:        #87837C;
  --color-mid-light:  #C4BFB6;
  --color-accent:     #B0A28E;
  --color-accent-dim: rgba(176, 162, 142, 0.18);

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Spacing */
  --space-xs:   8px;
  --space-sm:   16px;
  --space-md:   32px;
  --space-lg:   64px;
  --space-xl:   120px;
  --space-2xl:  180px;

  /* Layout */
  --max-width:    1200px;
  --gutter:       80px;
  --gutter-sm:    24px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:  cubic-bezier(0.4, 0, 1, 1);
  --dur-fast: 0.25s;
  --dur-med:  0.45s;
  --dur-slow: 0.65s;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-dark);
  background: var(--color-white);
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ============================================================
   TYPOGRAPHY SCALE
   ============================================================ */

.display {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 1.05;
  letter-spacing: 0.01em;
}

.heading-1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.heading-2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.body-text {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-mid);
}

.body-text + .body-text {
  margin-top: var(--space-sm);
}

.section-label {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: var(--space-xl) 0;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}

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

.reveal-delay-1 { transition-delay: 0.10s; }
.reveal-delay-2 { transition-delay: 0.20s; }
.reveal-delay-3 { transition-delay: 0.30s; }
.reveal-delay-4 { transition-delay: 0.40s; }

/* ============================================================
   NAVIGATION
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 28px var(--gutter);
  display: flex;
  align-items: center;
  transition: background var(--dur-med) ease,
              padding var(--dur-med) ease,
              backdrop-filter var(--dur-med) ease;
}

/* Scrim gradient behind the transparent (homepage) nav so the logo and
   links stay legible over the hero image and never clash with the headline */
.nav::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(24, 24, 26, 0.62) 0%, rgba(24, 24, 26, 0) 100%);
  opacity: 1;
  transition: opacity var(--dur-med) ease;
  pointer-events: none;
  z-index: -1;
}

.nav.scrolled {
  background: rgba(24, 24, 26, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 20px var(--gutter);
}

.nav.scrolled::before {
  opacity: 0;
}

.nav-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-off-white);
  transition: opacity var(--dur-fast) ease;
}

.nav-logo:hover {
  opacity: 0.65;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-links a {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(242, 239, 230, 0.75);
  transition: color var(--dur-fast) ease;
}

.nav-links a:hover {
  color: var(--color-off-white);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-off-white);
  transition: transform var(--dur-fast) ease, opacity var(--dur-fast) ease;
}

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

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 60%;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition: transform 8s ease;
}

.hero-bg.loaded {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(24, 24, 26, 0.15) 0%,
    rgba(24, 24, 26, 0.08) 30%,
    rgba(24, 24, 26, 0.55) 70%,
    rgba(24, 24, 26, 0.82) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 var(--gutter) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.4s forwards;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(42px, 5.6vw, 78px);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--color-off-white);
  max-width: 860px;
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.7s forwards;
}

.hero-sub {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(242, 239, 230, 0.72);
  max-width: 480px;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 1.0s forwards;
}

.hero-cta {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-off-white);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 4px;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 1.2s forwards;
  transition: color var(--dur-fast) ease, border-color var(--dur-fast) ease;
}

.hero-cta:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  right: var(--gutter);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  opacity: 0;
  animation: fadeIn 1s ease 1.8s forwards;
}

.hero-scroll-indicator span {
  display: block;
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, transparent, var(--color-accent));
  animation: scrollPulse 2s ease-in-out infinite 2s;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 0.7; }
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.7; }
  50%       { transform: scaleY(0.6); opacity: 0.3; }
}

/* ============================================================
   CHI SIAMO — HOME
   ============================================================ */

.section-about {
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-top: var(--space-lg);
}

.about-headline {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--color-dark);
  margin-bottom: var(--space-md);
}

.about-text .body-text {
  margin-bottom: var(--space-md);
}

.text-link {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-dark);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 3px;
  margin-top: var(--space-sm);
  transition: color var(--dur-fast) ease;
}

.text-link:hover {
  color: var(--color-accent);
}

.about-image {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.about-image:hover img {
  transform: scale(1.03);
}

/* ============================================================
   METODO
   ============================================================ */

.section-method {
  background: var(--color-off-white);
}

.section-header {
  margin-bottom: var(--space-lg);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--color-dark);
  margin-top: 12px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-mid-light);
}

.method-step {
  background: var(--color-off-white);
  padding: var(--space-lg) var(--space-md);
  transition: background var(--dur-fast) ease;
}

.method-step:hover {
  background: var(--color-white);
}

.step-number {
  display: block;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.step-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: 0.02em;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.step-text {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-mid);
}

/* ============================================================
   MATERIALI
   ============================================================ */

.section-materials {
  background: var(--color-dark);
  padding: 0;
  overflow: hidden;
}

.materials-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 600px;
}

.materials-image {
  position: relative;
  overflow: hidden;
}

.materials-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.materials-image:hover img {
  transform: scale(1.04);
}

.materials-text {
  padding: var(--space-xl) var(--space-2xl) var(--space-xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.materials-headline {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 3.5vw, 52px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--color-off-white);
  margin-bottom: var(--space-md);
  margin-top: var(--space-sm);
}

.materials-text .body-text {
  color: rgba(195, 190, 182, 0.80);
}

/* ============================================================
   PROGETTI — HOME
   ============================================================ */

.section-projects {
  background: var(--color-white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: var(--space-lg);
}

.project-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.project-card:nth-child(1) {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

.project-card:nth-child(n+2) {
  aspect-ratio: 4/3;
}

.card-image {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s var(--ease-out);
}

.project-card:hover .card-image img {
  transform: scale(1.05);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(24, 24, 26, 0.78) 0%,
    rgba(24, 24, 26, 0.10) 50%,
    transparent 100%
  );
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--dur-med) ease;
}

.project-card:hover .card-overlay {
  opacity: 1;
}

.card-overlay-content {
  transform: translateY(12px);
  transition: transform var(--dur-med) var(--ease-out);
}

.project-card:hover .card-overlay-content {
  transform: translateY(0);
}

.card-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 24px;
  letter-spacing: 0.04em;
  color: var(--color-off-white);
  margin-bottom: 4px;
}

.card-location {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.projects-cta {
  display: flex;
  justify-content: center;
  margin-top: var(--space-xl);
}

.btn-outline {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-dark);
  border: 1px solid var(--color-mid-light);
  padding: 16px 48px;
  transition: background var(--dur-fast) ease,
              color var(--dur-fast) ease,
              border-color var(--dur-fast) ease;
}

.btn-outline:hover {
  background: var(--color-dark);
  color: var(--color-off-white);
  border-color: var(--color-dark);
}

/* ============================================================
   CONTATTI — HOME
   ============================================================ */

.section-contact {
  background: var(--color-off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-headline {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--color-dark);
  margin-bottom: var(--space-md);
  margin-top: 12px;
}

.contact-text .body-text {
  max-width: 380px;
}

.contact-details {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact-details p {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-mid);
}

.contact-details a {
  color: var(--color-dark);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  transition: color var(--dur-fast) ease;
}

.contact-details a:hover {
  color: var(--color-accent);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.form-group label {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-mid);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  color: var(--color-dark);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-mid-light);
  padding: 12px 0;
  outline: none;
  transition: border-color var(--dur-fast) ease;
  width: 100%;
  resize: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-mid-light);
}

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

.btn-submit {
  align-self: flex-start;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-off-white);
  background: var(--color-dark);
  border: none;
  padding: 18px 48px;
  cursor: pointer;
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
  margin-top: var(--space-sm);
}

.btn-submit:hover {
  background: var(--color-accent);
  color: var(--color-dark);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: default;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.form-consent input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--color-dark);
  cursor: pointer;
}

.form-consent label {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 13px;
  line-height: 1.55;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-mid);
}

.form-consent a {
  color: var(--color-dark);
  border-bottom: 1px solid var(--color-accent);
}

.form-status {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-mid);
  min-height: 1px;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--color-dark);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-md);
  align-items: start;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(135, 131, 124, 0.25);
  margin-bottom: var(--space-md);
}

.footer-logo {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-off-white);
  margin-bottom: 8px;
}

.footer-claim {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.10em;
  color: var(--color-mid);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 13px;
  color: rgba(135, 131, 124, 0.80);
  transition: color var(--dur-fast) ease;
  letter-spacing: 0.04em;
}

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

.footer-legal {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: right;
}

.footer-legal p {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 11px;
  color: var(--color-mid);
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* ============================================================
   PAGE HERO (pagine interne)
   ============================================================ */

.page-hero {
  padding-top: 160px;
  padding-bottom: var(--space-xl);
  background: var(--color-dark);
}

.page-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-hero-label {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.page-hero-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(42px, 6vw, 80px);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--color-off-white);
  max-width: 700px;
}

.page-hero-sub {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(195, 190, 182, 0.75);
  max-width: 520px;
  margin-top: var(--space-md);
}

/* ============================================================
   PROGETTI PAGE
   ============================================================ */

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

.project-card-full {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.project-card-full:nth-child(1) {
  grid-column: span 2;
  aspect-ratio: 21/9;
}

.project-card-full .card-image {
  width: 100%;
  height: 100%;
}

.project-card-full .card-overlay {
  opacity: 1;
  background: linear-gradient(
    to top,
    rgba(24, 24, 26, 0.72) 0%,
    rgba(24, 24, 26, 0.08) 45%,
    transparent 100%
  );
}

.project-card-full .card-overlay-content {
  transform: translateY(0);
}

.project-card-full:hover .card-image img {
  transform: scale(1.05);
}

.project-card-full .card-title {
  font-size: 28px;
}

/* ============================================================
   CHI SIAMO PAGE
   ============================================================ */

.about-page-content {
  background: var(--color-white);
}

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
  margin-bottom: var(--space-xl);
}

.about-intro-text h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 3.5vw, 48px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--color-dark);
  margin-bottom: var(--space-md);
  margin-top: 12px;
}

.about-image-full {
  overflow: hidden;
  aspect-ratio: 4/3;
}

.about-image-full img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}

.about-image-full:hover img {
  transform: scale(1.03);
}

.about-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-mid-light);
  margin: var(--space-xl) 0;
}

.number-item {
  background: var(--color-white);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}

.number-value {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 64px;
  line-height: 1;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

.number-label {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-mid);
  margin-top: 12px;
}

.heritage-section {
  background: var(--color-off-white);
  padding: var(--space-xl) 0;
}

.heritage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.heritage-image {
  overflow: hidden;
  aspect-ratio: 3/4;
}

.heritage-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}

.heritage-image:hover img {
  transform: scale(1.03);
}

.heritage-text h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.1;
  color: var(--color-dark);
  margin-bottom: var(--space-md);
  margin-top: 12px;
}

/* ============================================================
   CONTATTI PAGE
   ============================================================ */

.contact-page-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-2xl);
  align-items: start;
}

/* ============================================================
   MOBILE — max 768px
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --gutter: var(--gutter-sm);
    --space-xl: 80px;
    --space-2xl: 80px;
  }

  /* Nav */
  .nav {
    padding: 20px var(--gutter-sm);
    background: rgba(24, 24, 26, 0.96);
    backdrop-filter: blur(12px);
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    background: var(--color-dark);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-out);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 20px;
    letter-spacing: 0.05em;
    color: var(--color-off-white);
  }

  /* Hero */
  .hero-content {
    padding: 0 var(--gutter-sm) var(--space-lg);
  }

  .hero-scroll-indicator {
    display: none;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about-image {
    order: -1;
    aspect-ratio: 16/9;
  }

  /* Method */
  .method-grid {
    grid-template-columns: 1fr 1fr;
  }

  .method-step {
    padding: var(--space-md) var(--space-sm);
  }

  /* Materials */
  .materials-inner {
    grid-template-columns: 1fr;
  }

  .materials-image {
    aspect-ratio: 16/9;
  }

  .materials-text {
    padding: var(--space-lg) var(--gutter-sm);
  }

  /* Projects */
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card:nth-child(1) {
    grid-column: span 1;
    aspect-ratio: 16/9;
  }

  .card-overlay {
    opacity: 1;
  }

  .card-overlay-content {
    transform: translateY(0);
  }

  /* Contact */
  .contact-grid,
  .contact-page-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  /* Footer */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer-legal {
    text-align: left;
  }

  /* Page hero */
  .page-hero {
    padding-top: 120px;
    padding-bottom: var(--space-lg);
  }

  /* About page */
  .about-intro,
  .about-numbers,
  .heritage-grid {
    grid-template-columns: 1fr;
  }

  .about-numbers {
    grid-template-columns: 1fr;
  }

  /* Projects full */
  .projects-full-grid {
    grid-template-columns: 1fr;
  }

  .project-card-full:nth-child(1) {
    grid-column: span 1;
    aspect-ratio: 16/9;
  }

  /* Method */
  @media (max-width: 480px) {
    .method-grid {
      grid-template-columns: 1fr;
    }
  }
}

@media (max-width: 480px) {
  .method-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   GALLERY PER PROGETTO
   ============================================================ */

.project-section {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-mid-light);
}

.project-section:last-of-type {
  border-bottom: none;
}

.project-section-header {
  padding: 0 var(--gutter);
  max-width: calc(var(--max-width) + var(--gutter) * 2);
  margin: 0 auto var(--space-md);
}

.project-section-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 3.5vw, 48px);
  letter-spacing: 0.01em;
  color: var(--color-dark);
  margin-top: 10px;
}

.project-section-meta {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-mid);
  margin-top: var(--space-sm);
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
}

.project-gallery .gallery-img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  cursor: pointer;
  transition: opacity 0.25s ease;
}

.project-gallery .gallery-img:hover {
  opacity: 0.82;
}

/* Feature first image full-width for key projects */
.project-gallery.has-feature .gallery-img:first-child {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: auto;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(18, 18, 18, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img {
  max-width: min(90vw, 1200px);
  max-height: 88vh;
  object-fit: contain;
  display: block;
  border: none;
  transition: opacity 0.2s ease;
}

.lightbox-img.loading {
  opacity: 0.3;
}

.lightbox-close {
  position: fixed;
  top: 24px;
  right: 32px;
  background: none;
  border: none;
  color: var(--color-off-white);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
  padding: 8px;
}

.lightbox-close:hover {
  opacity: 1;
}

.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--color-off-white);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s, border-color 0.2s;
  font-size: 18px;
}

.lightbox-nav:hover {
  opacity: 1;
  border-color: rgba(255,255,255,0.5);
}

.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

.lightbox-counter {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

/* ============================================================
   RESPONSIVE — GALLERY
   ============================================================ */

@media (max-width: 768px) {
  .project-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-gallery.has-feature .gallery-img:first-child {
    grid-column: span 2;
    grid-row: span 1;
  }

  .project-section-header {
    padding: 0 var(--gutter-sm);
  }

  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}

@media (max-width: 480px) {
  .project-gallery {
    grid-template-columns: 1fr;
  }

  .project-gallery.has-feature .gallery-img:first-child {
    grid-column: span 1;
  }
}