:root {
  --ink: #18211f;
  --soft-ink: #31413d;
  --muted: #687571;
  --line: #d8dedc;
  --paper: #f6f5f0;
  --white: #ffffff;
  --porcelain: #eef3f4;
  --graphite: #111715;
  --green: #245f50;
  --green-dark: #173f36;
  --blue: #315f7d;
  --brass: #b9873b;
  --clay: #99473f;
  --shadow: 0 18px 55px rgba(18, 27, 25, 0.12);
  --hard-shadow: 0 26px 80px rgba(18, 27, 25, 0.18);
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Be Vietnam Pro", "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

button {
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 74px;
  padding: 12px 36px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(216, 222, 220, 0.9);
  color: var(--ink);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 7px;
  background: var(--graphite);
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 800;
}

.brand-text {
  display: grid;
  line-height: 1.15;
}

.brand strong {
  font-size: 1rem;
}

.brand small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  color: var(--soft-ink);
  font-size: 0.92rem;
  font-weight: 700;
}

.main-nav a {
  position: relative;
  padding: 10px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.header-link,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  border-radius: 7px;
  font-weight: 800;
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.header-link {
  padding: 0 13px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--green-dark);
}

.button {
  padding: 0 18px;
  border: 1px solid transparent;
  cursor: pointer;
}

.button:hover,
.header-link:hover,
.card-action:hover,
.contact-grid a:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

.button-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
}

.button-light {
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  border-color: rgba(255, 255, 255, 0.9);
}

.full {
  width: 100%;
}

.site-header svg,
.button svg,
.card-action svg,
.contact-grid svg,
.mobile-action-bar svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.2;
  flex: 0 0 auto;
}

.menu-button {
  display: none;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 7px;
  background: var(--graphite);
  color: var(--white);
  cursor: pointer;
}

.menu-bars,
.menu-bars::before,
.menu-bars::after {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 99px;
  background: currentColor;
}

.menu-bars {
  position: relative;
}

.menu-bars::before,
.menu-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-bars::before {
  top: -7px;
}

.menu-bars::after {
  top: 7px;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 650px;
  overflow: hidden;
  color: var(--white);
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  background: url("assets/hero-argenta-bianco.jpg") center / cover no-repeat;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(12, 17, 16, 0.88) 0%, rgba(12, 17, 16, 0.7) 42%, rgba(12, 17, 16, 0.18) 100%),
    linear-gradient(180deg, rgba(12, 17, 16, 0.12) 0%, rgba(12, 17, 16, 0.52) 100%);
}

.hero-inner {
  position: relative;
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
  padding: 64px 0 82px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brass);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 4.25rem;
  line-height: 1.02;
  font-weight: 800;
}

.hero-copy {
  max-width: 760px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(820px, 100%);
  margin-top: 42px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.22);
}

.hero-proof span {
  display: grid;
  gap: 3px;
  min-height: 76px;
  padding: 15px;
  background: rgba(12, 17, 16, 0.42);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.86rem;
}

.hero-proof strong {
  color: var(--white);
  font-size: 1rem;
}

.intent-panel {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 22px;
  align-items: center;
  width: min(1180px, calc(100% - 48px));
  margin: -44px auto 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
  position: relative;
  z-index: 10;
}

.intent-copy {
  display: grid;
  gap: 4px;
  padding: 8px 10px;
}

.intent-copy span {
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.intent-copy strong {
  font-size: 1.04rem;
  line-height: 1.35;
}

.intent-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}

.intent-chip,
.filter-button {
  min-height: 44px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--porcelain);
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.intent-chip:hover,
.filter-button:hover,
.filter-button.active {
  border-color: var(--green);
  background: var(--green);
  color: var(--white);
}

.section {
  padding: 88px 36px;
}

.section-head {
  width: min(880px, 100%);
  margin: 0 auto 34px;
  text-align: center;
}

.section-head.aligned {
  width: min(1180px, 100%);
  text-align: left;
}

.section-head h2,
.quote-copy h2,
.trust-copy h2 {
  margin: 0;
  font-size: 2.45rem;
  line-height: 1.16;
}

.section-head p,
.quote-copy p,
.trust-copy p {
  margin: 15px 0 0;
  color: var(--muted);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  width: min(880px, 100%);
  margin: 0 auto 28px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  width: min(1240px, 100%);
  margin: 0 auto;
}

.product-card,
.space-card,
.cert-card,
.quote-form,
details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 40px rgba(18, 27, 25, 0.06);
}

.product-card {
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(36, 95, 80, 0.35);
  box-shadow: var(--shadow);
}

.product-card[hidden] {
  display: none;
}

.product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--porcelain);
}

.product-body {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  padding: 18px;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.product-meta span {
  padding: 5px 8px;
  border-radius: 6px;
  background: var(--porcelain);
  color: var(--green-dark);
  font-size: 0.72rem;
  font-weight: 800;
}

.product-body h3,
.space-card h3,
.cert-card h3 {
  margin: 12px 0 0;
  font-size: 1.08rem;
  line-height: 1.3;
}

.product-body p,
.space-card p,
.cert-card p,
.faq-list p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.card-action {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 42px;
  margin-top: 18px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--white);
  color: var(--green-dark);
  cursor: pointer;
  font-weight: 800;
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.card-action:hover {
  border-color: var(--green);
  background: var(--porcelain);
}

.spaces-section {
  background: var(--porcelain);
}

.spaces-layout {
  display: grid;
  grid-template-columns: 1.22fr 0.78fr;
  grid-auto-flow: dense;
  gap: 18px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.space-card {
  overflow: hidden;
  display: grid;
}

.space-card-large {
  grid-row: span 2;
}

.space-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.space-card-large img {
  aspect-ratio: 16 / 11;
}

.space-card div {
  padding: 20px;
}

.space-card span {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

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

.trust-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 42px;
  align-items: start;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.trust-copy h2 {
  color: var(--white);
}

.trust-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.trust-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.16);
}

.trust-stats div {
  display: grid;
  gap: 6px;
  min-height: 96px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.06);
}

.trust-stats strong {
  color: var(--brass);
  font-size: 1.35rem;
  line-height: 1.15;
}

.trust-stats span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.cert-card {
  overflow: hidden;
  background: #f8f8f6;
  color: var(--ink);
  box-shadow: none;
}

.cert-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top;
  background: #f2f2ef;
  border-bottom: 1px solid var(--line);
}

.cert-card h3 {
  padding: 14px 14px 0;
  font-size: 0.96rem;
}

.cert-card p {
  padding: 0 14px 16px;
  font-size: 0.82rem;
}

.quote-section {
  background: linear-gradient(180deg, var(--white), var(--paper));
}

.quote-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 40px;
  align-items: start;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 26px;
}

.contact-grid a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--white);
  color: var(--green-dark);
  font-weight: 800;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.contact-grid a:hover {
  border-color: rgba(36, 95, 80, 0.4);
  box-shadow: 0 12px 34px rgba(18, 27, 25, 0.08);
}

.quote-form {
  padding: 24px;
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-weight: 800;
}

label span {
  font-size: 0.88rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fbfcfb;
  color: var(--ink);
  outline: none;
}

input,
select {
  min-height: 48px;
  padding: 0 13px;
}

textarea {
  resize: vertical;
  min-height: 116px;
  padding: 12px 13px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(36, 95, 80, 0.14);
}

.quote-form > label + .form-grid,
.quote-form > label + .button,
.quote-form textarea,
.quote-form .button,
.form-status {
  margin-top: 14px;
}

.form-status {
  min-height: 26px;
  color: var(--green-dark);
  font-weight: 800;
}

.form-status.error {
  color: var(--clay);
}

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

.faq-list {
  display: grid;
  gap: 10px;
  width: min(900px, 100%);
  margin: 0 auto;
}

summary {
  min-height: 58px;
  padding: 17px 20px;
  cursor: pointer;
  font-weight: 800;
}

details p {
  padding: 0 20px 18px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 26px;
  padding: 40px 36px;
  background: var(--graphite);
  color: var(--white);
}

.site-footer p {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 800;
}

.mobile-action-bar {
  position: fixed;
  left: 10px;
  right: 10px;
  bottom: max(10px, env(safe-area-inset-bottom));
  z-index: 90;
  display: none;
  grid-template-columns: 1.18fr 0.9fr 0.9fr;
  gap: 8px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(17, 23, 21, 0.96);
  box-shadow: 0 20px 54px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(14px);
}

.mobile-action-bar a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 46px;
  border-radius: 7px;
  background: var(--white);
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;
}

.mobile-action-bar a:first-child {
  background: var(--green);
  color: var(--white);
}

@media (max-width: 1180px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 940px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
    gap: 14px;
    padding: 10px 18px;
  }

  .menu-button {
    display: grid;
  }

  .main-nav {
    position: fixed;
    left: 16px;
    right: 16px;
    top: 76px;
    display: none;
    grid-template-columns: 1fr;
    justify-content: start;
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--hard-shadow);
  }

  body.nav-open .main-nav {
    display: grid;
  }

  .main-nav a {
    padding: 13px 12px;
    border-radius: 7px;
  }

  .main-nav a:hover {
    background: var(--porcelain);
  }

  .main-nav a::after {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .hero {
    min-height: 600px;
  }

  .hero-shade {
    background: linear-gradient(180deg, rgba(12, 17, 16, 0.84) 0%, rgba(12, 17, 16, 0.62) 100%);
  }

  .hero h1 {
    font-size: 3.05rem;
  }

  .hero-proof,
  .intent-panel,
  .trust-grid,
  .quote-layout,
  .spaces-layout {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: 70px 20px;
  }

  .section-head h2,
  .quote-copy h2,
  .trust-copy h2 {
    font-size: 2rem;
  }

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

@media (max-width: 640px) {
  html {
    scroll-behavior: auto;
  }

  body {
    padding-bottom: 92px;
  }

  [id] {
    scroll-margin-top: 76px;
  }

  .site-header {
    min-height: 64px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 500px;
  }

  .hero-inner {
    width: min(100% - 28px, 1160px);
    padding: 34px 0 46px;
  }

  .hero h1 {
    font-size: 2.42rem;
  }

  .hero-copy {
    margin-top: 16px;
    font-size: 0.96rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 24px;
  }

  .hero-proof {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 20px;
  }

  .hero-proof span {
    min-height: 66px;
    padding: 10px 8px;
    font-size: 0.72rem;
  }

  .hero-proof strong {
    font-size: 0.82rem;
  }

  .intent-panel {
    width: calc(100% - 24px);
    margin-top: -28px;
    padding: 12px;
  }

  .intent-list,
  .filter-bar,
  .product-grid,
  .form-grid,
  .trust-stats,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .intent-copy strong {
    font-size: 1.06rem;
  }

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

  .intent-chip {
    min-height: 42px;
    padding: 0 9px;
    font-size: 0.82rem;
  }

  .filter-bar {
    display: grid;
    gap: 8px;
  }

  .product-card img {
    aspect-ratio: 4 / 3;
  }

  .section {
    padding: 58px 16px;
  }

  .section-head {
    text-align: left;
  }

  .section-head h2,
  .quote-copy h2,
  .trust-copy h2 {
    font-size: 1.72rem;
  }

  .space-card-large {
    grid-row: auto;
  }

  .space-card img,
  .space-card-large img {
    aspect-ratio: 16 / 10;
  }

  .quote-form {
    padding: 18px;
  }

  .site-footer {
    display: grid;
    padding: 34px 18px 104px;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .mobile-action-bar {
    display: grid;
  }
}