```css
/* ==========================================
   STUDIO — INGEGNERIA & PROGETTO
   Palette del progetto
   ========================================== */

:root {
  --cream: #fff7df;
  --butter: #ffe9a8;
  --gold: #f8d36a;
  --stone: #d9c7b6;
  --brown: #6b5b4b;
  --ink: #29251f;
  --white: #fffdf8;
  --muted: #655c52;
  --line: rgba(107, 91, 75, 0.23);
  --radius: 18px;
  --shadow: 0 18px 55px rgba(41, 37, 31, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  line-height: 1.7;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #916514;
  outline-offset: 4px;
}

::selection {
  background: var(--gold);
  color: var(--ink);
}

/* HEADER */

.header {
  min-height: 88px;
  padding: 14px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 247, 223, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: 2px;
  line-height: 1.2;
  font-size: 17px;
  flex-shrink: 0;
}

.logo small {
  display: block;
  margin-top: 5px;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--muted);
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 47px;
  height: 47px;
  border-radius: 13px 13px 13px 3px;
  background: var(--brown);
  color: var(--cream);
  font-size: 25px;
  letter-spacing: -1px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.3vw, 32px);
}

.nav > a:not(.button) {
  font-size: 16px;
  font-weight: 700;
  transition: color 0.2s;
}

.nav > a:hover {
  color: #966e19;
}

.nav > a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 3px;
  text-underline-offset: 8px;
}

.menu-toggle {
  display: none;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 13px;
  cursor: pointer;
}

/* BUTTONS */

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 23px;
  border: 1px solid transparent;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.35;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-dark {
  background: var(--brown);
  color: white;
}

.button-dark:hover {
  background: #4c4035;
}

.button-gold {
  background: var(--gold);
  color: var(--ink);
}

.button-gold:hover {
  background: var(--butter);
}

.button-outline {
  color: white;
  border-color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.07);
}

.button-outline:hover {
  background: white;
  color: var(--ink);
}

/* TYPOGRAPHY */

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: -1.8px;
  line-height: 1.12;
}

h1 {
  font-size: clamp(42px, 6.6vw, 94px);
  margin-bottom: 25px;
}

h2 {
  font-size: clamp(34px, 4.5vw, 60px);
  margin-bottom: 24px;
}

h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1.5;
  color: var(--brown);
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 2px;
  margin: 0 10px 4px 0;
  background: var(--gold);
}

.eyebrow.light {
  color: var(--butter);
}

.large-text {
  font-size: clamp(20px, 2vw, 25px);
  line-height: 1.7;
  color: #51483f;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  text-underline-offset: 5px;
}

.text-link:hover {
  text-decoration: underline;
}

.text-link span {
  transition: transform 0.2s;
}

.text-link:hover span {
  transform: translate(3px, -3px);
}

/* HERO A TUTTA LARGHEZZA */

.hero {
  position: relative;
  min-height: min(790px, calc(100svh - 88px));
  display: flex;
  align-items: center;
  overflow: hidden;
  color: white;
  background: var(--brown);
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
  animation: heroZoom 1.3s ease both;
}

.hero-overlay {
  background:
    linear-gradient(
      90deg,
      rgba(25, 22, 18, 0.78) 0%,
      rgba(25, 22, 18, 0.45) 55%,
      rgba(25, 22, 18, 0.08) 100%
    ),
    linear-gradient(
      0deg,
      rgba(25, 22, 18, 0.32),
      transparent 45%
    );
}

.hero-content {
  width: min(1180px, 90%);
  margin: 0 auto;
  position: relative;
  z-index: 2;
  padding: 95px 0 120px;
  animation: contentIn 0.8s ease both;
}

.hero-content h1 {
  max-width: 900px;
  margin-top: 26px;
}

.hero-content h1 span {
  color: var(--gold);
}

.hero-content p {
  max-width: 610px;
  color: #fff8e9;
  font-size: clamp(19px, 2vw, 23px);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 34px;
}

.hero-caption {
  position: absolute;
  z-index: 3;
  bottom: 25px;
  left: 5%;
  right: 5%;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.45);
  font-size: 14px;
  color: white;
}

/* SEZIONI */

.section {
  padding: 110px 5%;
}

.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.intro h2 {
  margin: 25px 0 0;
}

.intro .text-link {
  margin-top: 10px;
}

.projects-section {
  padding-top: 65px;
  background: var(--white);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 25px;
  margin-bottom: 40px;
}

.section-heading h2 {
  margin: 18px 0 0;
}

.section-heading > .text-link {
  margin-bottom: 9px;
}

/* CARD PROGETTI */

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 27px;
}

.project-card {
  display: block;
  min-width: 0;
}

.project-image {
  height: 360px;
  position: relative;
  overflow: hidden;
  background: var(--stone);
  border-radius: var(--radius);
}

.project-image img {
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.055);
}

.project-number {
  position: absolute;
  top: 18px;
  left: 18px;
  background: var(--cream);
  color: var(--ink);
  border-radius: 50px;
  min-width: 47px;
  height: 42px;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 900;
}

.project-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  padding: 20px 3px;
}

.project-info h3 {
  font-size: 24px;
  margin-bottom: 6px;
}

.project-info p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 0;
}

.project-arrow {
  width: 43px;
  height: 43px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 21px;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}

.project-card:hover .project-arrow {
  background: var(--gold);
}

/* IMMAGINE PANORAMICA */

.full-image {
  min-height: 580px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--brown);
  color: white;
}

.full-image > img {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
}

.full-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(25, 22, 18, 0.78),
    rgba(25, 22, 18, 0.12)
  );
}

.full-image-content {
  width: 90%;
  max-width: 1180px;
  margin: auto;
  padding: 100px 0;
  position: relative;
  z-index: 2;
}

.full-image-content h2 {
  margin-top: 25px;
  max-width: 720px;
}

.full-image-content .button {
  margin-top: 15px;
}

/* SERVIZI */

.services-preview {
  background: var(--cream);
}

.services-preview > h2 {
  margin-top: 22px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.service-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.25s, box-shadow 0.25s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.service-index {
  display: block;
  margin-bottom: 28px;
  color: #8a6515;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 2px;
}

.service-card p {
  color: var(--muted);
  font-size: 17px;
}

.service-card .text-link {
  margin-top: 8px;
}

/* BANNER CONTATTI */

.contact-banner {
  padding: 75px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
  background: var(--butter);
}

.contact-banner h2 {
  margin: 20px 0 15px;
}

.contact-banner p {
  max-width: 650px;
  margin-bottom: 0;
  font-size: 19px;
}

/* FOOTER */

.footer {
  padding: 65px 5% 25px;
  background: var(--ink);
  color: var(--cream);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 45px;
  padding-bottom: 50px;
}

.footer-logo {
  width: fit-content;
  align-self: start;
}

.footer-logo small {
  color: var(--stone);
}

.footer-main > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.footer-main h3 {
  font-size: 16px;
  letter-spacing: 1px;
  color: var(--gold);
}

.footer-main > div a {
  color: #eee3d5;
  font-size: 16px;
}

.footer-main > div a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid rgba(255, 247, 223, 0.2);
  padding-top: 23px;
  font-size: 14px;
  color: var(--stone);
}

/* ANIMAZIONI */

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

@keyframes heroZoom {
  from {
    transform: scale(1.04);
  }
  to {
    transform: scale(1);
  }
}

/* TABLET */

@media (max-width: 1000px) {
  .header {
    padding-inline: 4%;
  }

  .nav {
    gap: 15px;
  }

  .nav > a:not(.button) {
    font-size: 15px;
  }

  .nav .button {
    padding-inline: 16px;
    font-size: 14px;
  }

  .section {
    padding: 80px 4%;
  }

  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-image {
    height: 320px;
  }

  .intro {
    gap: 35px;
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* SMARTPHONE */

@media (max-width: 720px) {
  body {
    font-size: 18px;
  }

  .header {
    min-height: 76px;
    padding: 12px 5%;
  }

  .logo {
    font-size: 15px;
  }

  .logo-mark {
    width: 42px;
    height: 42px;
  }

  .menu-toggle {
    display: block;
    font-size: 25px;
    min-width: 48px;
    min-height: 45px;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 20px 5% 25px;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    align-items: stretch;
    flex-direction: column;
    gap: 6px;
  }

  .nav.open {
    display: flex;
  }

  .nav > a:not(.button) {
    padding: 10px 0;
    font-size: 18px;
  }

  .nav .button {
    margin-top: 10px;
    width: 100%;
    font-size: 16px;
  }

  .hero {
    min-height: 690px;
    min-height: min(760px, calc(100svh - 76px));
  }

  .hero-overlay {
    background: linear-gradient(
      90deg,
      rgba(25, 22, 18, 0.76),
      rgba(25, 22, 18, 0.30)
    );
  }

  .hero-content {
    width: 90%;
    padding: 75px 0 100px;
  }

  h1 {
    font-size: clamp(43px, 11vw, 65px);
    letter-spacing: -2px;
  }

  h2 {
    font-size: clamp(34px, 8vw, 46px);
    letter-spacing: -1.3px;
  }

  .hero-content p {
    font-size: 19px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
    max-width: 370px;
  }

  .hero-buttons .button {
    width: 100%;
    min-height: 54px;
  }

  .hero-caption {
    font-size: 13px;
    left: 5%;
    right: 5%;
  }

  .section {
    padding: 70px 5%;
  }

  .intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .project-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .project-image {
    height: 340px;
  }

  .project-info h3 {
    font-size: 23px;
  }

  .full-image {
    min-height: 500px;
  }

  .full-image-content {
    width: 90%;
    padding: 75px 0;
  }

  .service-card {
    padding: 27px;
  }

  .contact-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 65px 5%;
  }

  .contact-banner .button {
    width: 100%;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}

/* ACCESSIBILITÀ: RIDUCI ANIMAZIONI */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

```css
/* PAGINE INTERNE */

.page-hero {
  padding: 90px 5% 75px;
  background: var(--butter);
}

.page-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.page-hero h1 {
  margin: 24px 0;
  font-size: clamp(44px, 6vw, 78px);
}

.page-hero p {
  max-width: 720px;
  font-size: 21px;
  color: #51483f;
}

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

.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 35px;
}

.filter-btn {
  padding: 12px 20px;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 50px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-weight: 750;
}

.filter-btn[aria-pressed="true"] {
  background: var(--brown);
  color: white;
  border-color: var(--brown);
}

.filter-btn:hover {
  border-color: var(--brown);
}

.portfolio-grid [hidden] {
  display: none !important;
}

.portfolio-note {
  margin-top: 30px;
  font-size: 15px;
  color: var(--muted);
}

/* SERVIZI */

.services-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.service-detail {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.service-detail .service-index {
  margin-bottom: 20px;
}

.service-detail p,
.service-detail li {
  color: var(--muted);
}

.service-detail ul {
  padding-left: 23px;
}

.service-detail li {
  margin-bottom: 7px;
}

/* CONTATTI E MODULI */

.contact-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 35px;
  align-items: start;
}

.contact-panel {
  padding: 35px;
  background: var(--brown);
  color: white;
  border-radius: var(--radius);
}

.contact-panel h2 {
  font-size: 36px;
}

.contact-panel p {
  color: #f0e5d7;
}

.contact-panel a {
  color: var(--butter);
  overflow-wrap: anywhere;
}

.contact-line {
  border-top: 1px solid rgba(255,255,255,0.25);
  padding-top: 18px;
  margin-top: 20px;
}

.form-card {
  padding: 35px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.form-card h2 {
  font-size: 34px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 16px;
  font-weight: 800;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 54px;
  padding: 13px 15px;
  background: #fffdf8;
  color: var(--ink);
  border: 1px solid #a99a88;
  border-radius: 11px;
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #71675d;
}

.form-status {
  padding: 15px;
  margin-top: 18px;
  background: var(--butter);
  border-radius: 10px;
  font-weight: 700;
}

.form-note {
  font-size: 14px;
  color: var(--muted);
  margin-top: 18px;
}

.faq {
  border-top: 1px solid var(--line);
}

.faq details {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.faq summary {
  font-size: 19px;
  font-weight: 800;
  cursor: pointer;
}

.faq details p {
  margin: 14px 0 0;
  color: var(--muted);
}

/* RESPONSIVE PAGINE INTERNE */

@media (max-width: 850px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .services-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .page-hero {
    padding: 65px 5% 50px;
  }

  .page-hero p {
    font-size: 19px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .field.full {
    grid-column: auto;
  }

  .form-card,
  .contact-panel,
  .service-detail {
    padding: 23px;
  }

  .portfolio-filters {
    gap: 8px;
  }

  .filter-btn {
    padding: 10px 14px;
    font-size: 15px;
  }
}
```
```