:root {
  --bg: #f3f6f7;
  --bg-deep: #e4ecee;
  --bg-paper: #fafbfb;
  --ink: #142024;
  --muted: #5a6a70;
  --accent: #1a4a52;
  --accent-soft: #2a6a74;
  --line: #cdd6d9;
  --footer: #0f1c1f;
  --footer-muted: #a8b4b8;
  --max: 1120px;
  --narrow: 720px;
  --font-display: "Fraunces", "Palatino Linotype", Palatino, serif;
  --font-sans: "DM Sans", "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(42, 106, 116, 0.08), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(20, 32, 36, 0.05), transparent 50%),
    var(--bg-paper);
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
h4,
.serif {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - 2.5rem, var(--narrow));
}

/* ——— Nav ——— */
.site-header {
  background: rgba(250, 251, 251, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  position: sticky;
  top: 0;
  z-index: 50;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(250, 251, 251, 0.96);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ink);
}

.brand img {
  height: 42px;
  width: auto;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 2px;
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--ink);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu > li > a,
.nav-dropdown > button {
  position: relative;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.4rem 0;
  background: none;
  border: 0;
  font-family: inherit;
  cursor: pointer;
}

.nav-menu > li > a::after,
.nav-dropdown > button::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav-menu > li > a:hover::after,
.nav-dropdown:hover > button::after,
.nav-dropdown.is-open > button::after {
  transform: scaleX(1);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-panel {
  display: none;
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 260px;
  background: var(--bg-paper);
  border: 1px solid var(--line);
  list-style: none;
  margin: 0;
  padding: 0.4rem 0;
  z-index: 60;
}

.nav-dropdown.is-open .nav-dropdown-panel,
.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown:focus-within .nav-dropdown-panel {
  display: block;
}

.nav-dropdown-panel a {
  display: block;
  padding: 0.55rem 1.1rem;
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--ink);
}

.nav-dropdown-panel a:hover {
  background: var(--bg-deep);
  color: var(--accent);
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.45rem;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn--dark {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

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

.btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.85);
}

.btn--outline:hover {
  background: #fff;
  color: var(--ink);
}

.btn--outline-ink {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.btn--outline-ink:hover {
  background: var(--ink);
  color: #fff;
}

.btn--light {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
}

.btn--light:hover {
  background: transparent;
  color: #fff;
}

.btn--lg {
  padding: 0.95rem 1.7rem;
}

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  color: #fff;
  text-align: left;
  padding: 0;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  animation: heroDrift 22s var(--ease) infinite alternate;
}

@keyframes heroDrift {
  from {
    transform: scale(1.06) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.12) translate3d(-1.5%, -1%, 0);
  }
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(105deg, rgba(15, 28, 31, 0.88) 0%, rgba(15, 28, 31, 0.55) 42%, rgba(26, 74, 82, 0.25) 100%),
    linear-gradient(to top, rgba(15, 28, 31, 0.55) 0%, transparent 45%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 7rem 0 4.5rem;
  max-width: none;
}

.hero__brand {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 500;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-sans);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 500;
  color: #fff;
  max-width: 28ch;
  line-height: 1.35;
}

.hero__lead {
  margin: 0 0 2rem;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.88);
  max-width: 38ch;
  line-height: 1.55;
}

.hero--compact {
  min-height: min(58vh, 520px);
  align-items: flex-end;
}

.hero--compact .hero__inner {
  padding: 5.5rem 0 3.25rem;
}

.hero--compact .hero__brand {
  font-size: clamp(0.85rem, 1.4vw, 0.95rem);
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  opacity: 0.9;
}

.hero--compact .hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 500;
  max-width: 18ch;
  letter-spacing: -0.02em;
}

.hero .actions {
  justify-content: flex-start;
  margin-top: 0;
}

/* ——— Sections ——— */
.section {
  padding: 5rem 0;
}

.section--mist {
  background: var(--bg);
}

.section--deep {
  background: var(--bg-deep);
}

.section--paper {
  background: var(--bg-paper);
}

.section--ink {
  background: var(--footer);
  color: #e8eeef;
}

.section--ink h2,
.section--ink h3 {
  color: #fff;
}

.section--ink .lead,
.section--ink p {
  color: var(--footer-muted);
}

.section h2 {
  text-align: left;
  font-size: clamp(2rem, 4vw, 2.85rem);
  margin: 0 0 1.25rem;
}

.section--center h2,
.section--center .lead {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section h3 {
  font-size: 1.35rem;
  margin: 0 0 0.55rem;
}

.lead {
  font-size: 1.15rem;
  max-width: 42rem;
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.center {
  text-align: center;
}

.quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  color: var(--accent);
  text-align: center;
  margin: 0;
  padding: 3rem 1.5rem;
  background: var(--bg-paper);
  border-bottom: 1px solid var(--line);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Service rows */
.service-row {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 2.75rem 0;
  border-top: 1px solid var(--line);
}

.service-row:first-of-type {
  border-top: 0;
  padding-top: 0.5rem;
}

.service-row--flip .service-row__text {
  order: 2;
}

.service-row--flip .service-row__media {
  order: 1;
}

.service-row__media {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--bg-deep);
}

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

.service-row:hover .service-row__media img {
  transform: scale(1.04);
}

.service-row h3 {
  font-size: clamp(1.45rem, 2.5vw, 1.85rem);
  margin-bottom: 0.85rem;
}

.service-row p {
  color: var(--muted);
  margin: 0 0 1rem;
}

.service-row a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}

.service-row a:hover {
  border-bottom-color: var(--accent);
}

.audience-grid,
.why-grid,
.method-grid,
.steps-grid,
.sectors-grid {
  display: grid;
  gap: 1.75rem;
}

.audience-grid {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 2.25rem;
}

.audience-item {
  display: grid;
  gap: 1rem;
}

.audience-item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.audience-item h3 {
  margin-top: 0.25rem;
}

.audience-item p {
  margin: 0;
  color: var(--muted);
}

.why-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2rem;
}

.why-grid > div {
  padding-top: 1.25rem;
  border-top: 2px solid var(--accent);
}

.why-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.method-grid {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 2rem;
}

.method-grid p {
  margin: 0;
  color: var(--muted);
}

.steps-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2rem;
}

.step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.step__num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--accent-soft);
  line-height: 1;
  min-width: 1.5rem;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.sectors-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 2.25rem;
  gap: 0.75rem;
}

.sectors-grid p {
  margin: 0;
  padding: 0.95rem 0.75rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.92rem;
  background: var(--bg-paper);
  border: 1px solid var(--line);
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 2.5rem;
  margin-top: 1.75rem;
}

.feature-list ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.feature-list li {
  margin-bottom: 0.45rem;
}

.content-block p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.content-block ul {
  margin: 0.5rem 0 1.5rem;
  padding-left: 1.2rem;
  color: var(--muted);
}

.content-block li {
  margin-bottom: 0.4rem;
}

.content-block h3 {
  margin-top: 2.25rem;
  color: var(--ink);
}

.media-frame {
  margin: 0 0 1.75rem;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-deep);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ——— Contatti ——— */
.contact-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
  max-width: 860px;
}

.contact-block h3 {
  margin-top: 0;
  color: var(--ink);
}

.section--ink .contact-block h3 {
  color: #fff;
}

.contact-block a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}

.contact-block a:hover {
  border-bottom-color: currentColor;
}

.contact-block p {
  margin: 0.45rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-block img {
  height: 14px;
  width: auto;
  display: inline-block;
}

.section--ink .contact-block img {
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

/* ——— Footer ——— */
.site-footer {
  background: var(--footer);
  color: var(--footer-muted);
}

.site-footer a {
  color: var(--footer-muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 2rem;
  padding: 3.25rem 0;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 2rem;
  color: #fff;
  margin: 0 0 0.5rem;
}

.footer-tag {
  margin: 0;
  max-width: 22ch;
  font-size: 0.95rem;
}

.site-footer h4 {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.site-footer p {
  margin: 0 0 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.95rem;
}

.site-footer img {
  height: 14px;
  width: auto;
  display: inline-block;
  opacity: 0.9;
}

.footer-bottom {
  border-top: 1px solid #2a383c;
  padding: 1.5rem 0;
  font-size: 0.8rem;
}

.footer-bottom p {
  margin: 0;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
}

.footer-bottom .sep {
  opacity: 0.5;
}

/* ——— Responsive ——— */
@media (max-width: 960px) {
  .nav-toggle {
    display: block;
  }

  .site-header .container {
    position: relative;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-paper);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.35rem;
    gap: 0.35rem;
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-menu > li > a::after,
  .nav-dropdown > button::after {
    display: none;
  }

  .nav-dropdown-panel {
    position: static;
    border: 0;
    padding-left: 0.5rem;
    background: transparent;
  }

  .service-row,
  .service-row--flip {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .service-row--flip .service-row__text,
  .service-row--flip .service-row__media {
    order: initial;
  }

  .audience-grid,
  .why-grid,
  .method-grid,
  .steps-grid,
  .contact-panel,
  .feature-list,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .hero {
    min-height: min(88vh, 680px);
  }

  .hero__inner {
    padding: 6rem 0 3.5rem;
  }

  .hero .actions .btn--outline {
    color: #fff;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__media {
    animation: none;
    transform: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .service-row__media img {
    transition: none;
  }
}