:root {
  --navy: #071b2d;
  --navy-soft: #10273a;
  --ivory: #f4f2eb;
  --paper: #fffdfa;
  --gold: #d3b76b;
  --gold-dark: #887031;
  --text: #10273a;
  --muted: #53616c;
  --header-height: 106px;
  --content-width: 1180px;
  --shadow: 0 22px 54px rgba(7, 27, 45, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  color: var(--text);
  background: var(--ivory);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  min-height: var(--header-height);
  padding: 0 max(16px, calc((100vw - var(--content-width)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(244, 242, 235, 0.97);
  border-bottom: 1px solid rgba(136, 112, 49, 0.55);
  box-shadow: 0 8px 30px rgba(7, 27, 45, 0.07);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  text-decoration: none;
}

.brand img {
  width: 148px;
  height: auto;
}

.brand-mobile-subtitle {
  display: block;
  margin-top: 2px;
  color: var(--gold-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.67rem;
  letter-spacing: 0.13em;
  line-height: 1.25;
  text-align: center;
  text-transform: uppercase;
}

.brand-desktop {
  display: none;
}

.menu-toggle {
  width: 46px;
  height: 46px;
  padding: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  background: transparent;
  border: 1px solid rgba(136, 112, 49, 0.55);
  border-radius: 50%;
  cursor: pointer;
}

.menu-toggle-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.menu-icon {
  display: grid;
  gap: 5px;
}

.menu-icon i {
  display: block;
  width: 21px;
  height: 2px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle[aria-expanded="true"] .menu-icon i:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-icon i:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-icon i:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.main-nav {
  position: fixed;
  inset: var(--header-height) 0 0;
  padding: 42px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(244, 242, 235, 0.99);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms;
}

.main-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.main-nav a {
  padding: 15px 4px;
  color: var(--navy);
  border-bottom: 1px solid rgba(136, 112, 49, 0.22);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
}

.main-nav a[aria-current="page"] {
  color: var(--gold-dark);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 2000;
  padding: 10px 14px;
  color: #fff;
  background: var(--navy);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

main {
  display: block;
}

.page-section {
  position: relative;
  padding: 78px 0;
}

.page-section:first-child {
  padding-top: calc(var(--header-height) + 54px);
}

.section-dark {
  color: #fff;
  background: var(--navy);
}

.section-light {
  color: var(--text);
  background: var(--ivory);
}

.section-inner {
  width: min(calc(100% - 36px), var(--content-width));
  margin: 0 auto;
}

.section-grid {
  display: grid;
  grid-template-areas:
    "heading"
    "visual"
    "body";
  gap: 30px;
}

.section-copy {
  display: contents;
}

.section-heading {
  grid-area: heading;
}

.section-body {
  grid-area: body;
}

.section-visual {
  grid-area: visual;
  margin: 0;
  align-self: center;
}

.section-visual img {
  width: 100%;
  height: auto;
  object-fit: contain;
  background: var(--paper);
  border: 1px solid rgba(211, 183, 107, 0.62);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-light .eyebrow,
.responsibility-panel .eyebrow {
  color: var(--gold-dark);
}

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

h1 {
  max-width: 850px;
  margin-bottom: 22px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 8vw, 3.55rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

h2 {
  margin-bottom: 22px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.32rem, 5vw, 1.88rem);
  font-weight: 400;
  line-height: 1.32;
}

.section-body p {
  margin-bottom: 18px;
}

.section-body p:last-child {
  margin-bottom: 0;
}

.lead {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.08rem, 3.9vw, 1.28rem);
  line-height: 1.55;
}

.section-dark .section-body p {
  color: rgba(255, 255, 255, 0.86);
}

.section-light .section-body p,
.responsibility-panel .section-body p {
  color: var(--muted);
}

.section-link {
  width: fit-content;
  margin-top: 28px;
  padding: 12px 18px;
  display: inline-flex;
  align-items: center;
  color: var(--navy);
  background: var(--gold);
  border: 1px solid var(--gold);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none;
}

.section-light .section-link,
.responsibility-panel .section-link {
  color: #fff;
  background: var(--navy);
  border-color: var(--navy);
}

.feature-list,
.principles {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.features {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.feature {
  position: relative;
  min-height: 112px;
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(105deg, #fffef9 0%, #f8f4e8 100%);
  border: 1px solid rgba(136, 112, 49, 0.38);
  box-shadow: 0 10px 26px rgba(7, 27, 45, 0.07);
}

.feature-icon-image,
.number-icon-image {
  width: 72px;
  height: 72px;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 7px 11px rgba(136, 112, 49, 0.2));
}

.feature-item {
  padding: 18px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(136, 112, 49, 0.25);
}

.feature-icon {
  width: 40px;
  height: 40px;
  padding: 7px;
  color: var(--gold-dark);
}

.feature-item h3,
.principle h3,
.feature h2 {
  margin: 0 0 6px;
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.3;
}

.feature-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.display-title {
  margin-bottom: 16px;
  font-size: clamp(2rem, 7vw, 3.25rem);
  line-height: 1.04;
}

.sans-title {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.sub {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.12rem;
}

.rule {
  width: 64px;
  height: 2px;
  margin-bottom: 24px;
  background: var(--gold);
}

.quote {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.12rem;
  font-style: italic;
}

.closing {
  margin-top: 26px;
  color: inherit !important;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.centered {
  text-align: center;
}

.steps {
  margin: 26px 0;
  padding: 14px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: var(--navy);
  border-block: 1px solid rgba(136, 112, 49, 0.28);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.responsibility-panel {
  padding: 28px 20px;
  color: var(--text);
  background: var(--ivory);
  border-top: 3px solid var(--gold-dark);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.22);
}

.principles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  background: transparent;
  border: 0;
}

.principle {
  min-height: 112px;
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  background: linear-gradient(105deg, #fffef9 0%, #f8f4e8 100%);
  border: 1px solid rgba(136, 112, 49, 0.38);
  box-shadow: 0 10px 26px rgba(7, 27, 45, 0.07);
  text-align: left;
}

.principle h3,
.principle strong {
  margin: 0;
  color: var(--navy);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.075em;
  line-height: 1.45;
  text-transform: uppercase;
}

.responsibility-close em {
  color: var(--gold-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.2em;
}

.site-footer {
  padding: 30px 18px;
  color: rgba(255, 255, 255, 0.72);
  background: #04121f;
  border-top: 1px solid rgba(211, 183, 107, 0.42);
  font-size: 0.77rem;
  letter-spacing: 0.06em;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 900;
  width: 43px;
  height: 43px;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(7, 27, 45, 0.92);
  border: 1px solid var(--gold-dark);
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(7, 27, 45, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
  cursor: pointer;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.demo-notice {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 1100;
  width: min(calc(100% - 40px), 510px);
  padding: 13px 18px;
  color: #fff;
  background: var(--navy);
  border: 1px solid var(--gold-dark);
  box-shadow: 0 14px 36px rgba(7, 27, 45, 0.3);
  font-size: 0.88rem;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.demo-notice.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (min-width: 720px) {
  .page-section {
    padding: 96px 0;
  }

  .section-inner {
    width: min(calc(100% - 72px), var(--content-width));
  }

  .responsibility-panel {
    padding: 48px;
  }

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

  .principles {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 960px) {
  :root {
    --header-height: 110px;
  }

  body.menu-open {
    overflow: auto;
  }

  .brand-mobile,
  .menu-toggle {
    display: none;
  }

  .brand-desktop {
    display: block;
  }

  .brand img {
    width: 176px;
  }

  .main-nav {
    position: static;
    inset: auto;
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: 34px;
    background: transparent;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .main-nav a {
    position: relative;
    padding: 12px 0;
    border: 0;
    font-size: 0.76rem;
  }

  .main-nav a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 6px;
    left: 0;
    height: 1px;
    background: var(--gold-dark);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 180ms ease;
  }

  .main-nav a:hover::after,
  .main-nav a[aria-current="page"]::after {
    transform: scaleX(1);
  }

  .page-section {
    padding: 112px 0;
  }

  .page-section:first-child {
    padding-top: calc(var(--header-height) + 80px);
  }

  .section-grid {
    grid-template-areas: none;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.28fr);
    gap: clamp(56px, 7vw, 94px);
    align-items: center;
  }

  .section-copy {
    display: block;
  }

  .section-heading,
  .section-body,
  .section-visual {
    grid-area: auto;
  }

  .layout-media-right .section-copy {
    grid-column: 1;
    grid-row: 1;
  }

  .layout-media-right .section-visual {
    grid-column: 2;
    grid-row: 1;
  }

  .layout-media-left {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.92fr);
  }

  .layout-media-left .section-visual {
    grid-column: 1;
    grid-row: 1;
  }

  .layout-media-left .section-copy {
    grid-column: 2;
    grid-row: 1;
  }

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

  .features {
    grid-template-columns: 1fr;
  }

  .responsibility-panel {
    padding: 64px;
  }
}

@media (min-width: 1280px) {
  .section-grid {
    gap: 96px;
  }

  .responsibility-panel .section-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

@media (max-width: 390px) {
  .site-header {
    padding-inline: 12px;
  }

  .brand img {
    width: 136px;
  }

  .brand-mobile-subtitle {
    max-width: 170px;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
  }

  .section-inner {
    width: min(calc(100% - 28px), var(--content-width));
  }

  .principle {
    min-height: 94px;
    padding: 14px;
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 14px;
  }

  .feature {
    min-height: 94px;
    padding: 14px;
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 14px;
  }

  .feature-icon-image,
  .number-icon-image {
    width: 60px;
    height: 60px;
  }

  .principle h3 {
    font-size: 0.66rem;
  }
}

/* Impaginazione mirata delle sole sezioni 4 e 5. */
#opportunita .opportunity-layout {
  grid-template-areas:
    "heading"
    "visual"
    "body"
    "bridge"
    "lower";
}

#responsabilita .responsibility-layout {
  grid-template-areas:
    "heading"
    "visual"
    "body"
    "lower";
}

#opportunita .opportunity-steps {
  grid-area: bridge;
  width: 100%;
  margin: 0;
  justify-self: stretch;
  text-align: center;
}

#opportunita .opportunity-features {
  grid-area: lower;
  margin-top: 0;
  grid-template-columns: 1fr;
}

#opportunita .opportunity-features .feature,
#responsabilita .responsibility-lower .principle {
  background: #f8f4e8;
}

#opportunita .opportunity-closing {
  margin: 8px 0 0;
  text-align: left;
}

#responsabilita .responsibility-lower {
  grid-area: lower;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-areas:
    "p1"
    "p2"
    "p3"
    "p4"
    "copy"
    "close";
  gap: 12px;
  color: var(--text);
}

#responsabilita .responsibility-item-1 { grid-area: p1; }
#responsabilita .responsibility-item-2 { grid-area: p2; }
#responsabilita .responsibility-item-3 { grid-area: p3; }
#responsabilita .responsibility-item-4 { grid-area: p4; }

#responsabilita .responsibility-copy {
  grid-area: copy;
  margin: 4px 0 10px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.72;
}

#responsabilita .responsibility-close {
  grid-area: close;
  margin: 4px 0 0;
}

@media (min-width: 960px) {
  #opportunita {
    padding: 84px 0;
  }

  #responsabilita {
    padding: 68px 0;
  }

  #opportunita .opportunity-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    grid-template-areas:
      "visual intro"
      "bridge bridge"
      "lower lower";
    column-gap: clamp(56px, 7vw, 94px);
    row-gap: 28px;
    align-items: start;
  }

  #opportunita .opportunity-intro {
    grid-area: intro;
    display: block;
  }

  #opportunita .section-visual {
    grid-area: visual;
    align-self: center;
  }

  #opportunita .opportunity-features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 18px;
  }

  #opportunita .opportunity-features .feature,
  #responsabilita .responsibility-lower .principle {
    min-height: 100px;
    padding: 14px 18px;
  }

  #opportunita .opportunity-closing {
    grid-column: 1;
    align-self: start;
  }

  #responsabilita .responsibility-panel {
    padding: 48px;
  }

  #responsabilita .responsibility-layout {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    grid-template-areas:
      "intro visual"
      "lower lower";
    column-gap: clamp(52px, 6vw, 82px);
    row-gap: 32px;
    align-items: start;
  }

  #responsabilita .responsibility-intro {
    grid-area: intro;
    display: block;
  }

  #responsabilita .section-visual {
    grid-area: visual;
    align-self: center;
  }

  #responsabilita .responsibility-lower {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "p1 p2"
      "p3 p4"
      "copy close";
    column-gap: 20px;
    row-gap: 12px;
  }

  #responsabilita .responsibility-copy,
  #responsabilita .responsibility-close {
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}