/* ===========================
   GENAIR – style.css
   =========================== */

/* --- Variables & Reset --- */
:root {
  --red: #1f76cc;
  --red-dark: #185491;
  --dark: #1a1a1a;
  --dark2: #2a2a2a;
  --mid: #444;
  --light: #f5f5f5;
  --white: #ffffff;
  --border: #ddd;
  --shadow: 0 4px 20px rgba(0, 0, 0, .12);
  --transition: .3s ease;
  --font-head: 'Oswald', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --radius: 4px;
  --container: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--white);
  font-size: 15px;
  line-height: 1.65;
}

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

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

ul {
  list-style: none;
}

.seo-h1 {
  font-family: var(--font-head);
  font-size: 1.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--dark);
  margin-bottom: 18px;
  line-height: 1.2;
  letter-spacing: .03em;
}

.seo-h1::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--red);
  margin-top: 12px;
}

/* --- Container --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 13px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
}

/* ===========================
   TOP BAR
   =========================== */
.topbar {
  background: var(--dark);
  color: #ccc;
  font-size: .82rem;
  border-bottom: 2px solid var(--red);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 38px;
}

.topbar-contact {
  display: flex;
  gap: 24px;
}

.topbar-contact a {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #ccc;
  transition: color var(--transition);
}

.topbar-contact a:hover {
  color: var(--red);
}

.topbar-social {
  display: flex;
  gap: 14px;
}

.topbar-social a {
  display: flex;
  align-items: center;
  color: #aaa;
  transition: color var(--transition);
}

.topbar-social a:hover {
  color: var(--red);
}

/* ===========================
   HEADER
   =========================== */
.header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, .1);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, .18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.logo a {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-main {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: .1em;
}

.logo-sub {
  font-size: .65rem;
  color: var(--mid);
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-top: 2px;
}

.flex-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Nav */
.nav ul {
  display: flex;
  gap: 2px;
}

.nav a {
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--dark);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

.nav a:hover {
  background: var(--light);
  color: var(--red);
}

.nav-btn {
  display: none;
}

/* Header CTA buttons */
.header-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: 9px 16px;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-cta--primary {
  background: var(--red);
  color: var(--white);
  border: 2px solid var(--red);
}

.btn-cta--primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
}

.btn-cta--outline {
  background: transparent;
  color: var(--red);
  border: 2px solid var(--red);
}

.btn-cta--outline:hover {
  background: var(--red);
  color: var(--white);
}

/* Legacy – mantenuto per compatibilità */
.btn-container {
  display: flex;
  align-items: center;
  gap: 7px;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===========================
   HERO SLIDER
   =========================== */
.hero {
  position: relative;
  height: 520px;
  overflow: hidden;
}

.slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity .8s ease;
}

.hero-container {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.slide.active {
  opacity: 1;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0, 0, 0, .72) 0%, rgba(0, 0, 0, .3) 60%, transparent 100%);
}

.hero-content {
  position: relative;
  top: 50%;
  left: 3%;
  transform: translateY(-50%);
  max-width: 1200px;
  margin: 0 auto;
  color: var(--white);
}

.hero-content h1 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 14px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .4);
}

.hero-content p {
  font-size: 1.05rem;
  margin-bottom: 24px;
  opacity: .9;
}

.btn-hero {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 12px 30px;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
}

.btn-hero:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
}

.slide-dots {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .5);
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

.dot.active {
  background: var(--red);
  border-color: var(--white);
}

/* ===========================
   QUANDO CHIAMARCI
   =========================== */
.when-to-call {
  padding: 64px 0 48px;
  background: var(--white);
}

.when-to-call h2 {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--dark);
  text-align: center;
  margin-bottom: 36px;
  position: relative;
  letter-spacing: .04em;
}

.when-to-call h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 12px auto 0;
}

.issues-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.issue-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 28px 24px;
  border-top: 3px solid var(--red);
  transition: box-shadow var(--transition), transform var(--transition);
}

.issue-icon {
  color: var(--red);
  margin-bottom: 14px;
}

.issue-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 8px;
  color: var(--dark);
}

.issue-card p {
  font-size: .9rem;
  color: var(--mid);
}

.call-cta {
  text-align: center;
  background: var(--dark);
  color: var(--white);
  padding: 28px 20px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.call-cta p {
  font-size: 1.1rem;
}

.call-cta strong {
  color: var(--red);
}

/* ===========================
   ABOUT
   =========================== */
.about {
  background: var(--light);
  padding: 72px 0;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.about-badge {
  position: absolute;
  bottom: -18px;
  right: -18px;
  background: var(--red);
  color: var(--white);
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 4px solid var(--white);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .25);
}

.badge-num {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
}

.badge-txt {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  line-height: 1.3;
}

.about-text h2 {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--dark);
  margin-bottom: 18px;
}

.about-text h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--red);
  margin-top: 10px;
}

.about-text p {
  color: var(--mid);
  margin-bottom: 16px;
}

.about-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-list li {
  color: var(--dark);
  font-size: .92rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===========================
   SERVICES
   =========================== */
.services {
  padding: 72px 0;
  background: var(--white);
}

.services h2 {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: center;
  margin-bottom: 40px;
}

.services h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 12px auto 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  background: var(--dark);
  color: var(--white);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, .2);
}

.service-img {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.service-card:hover .service-img img {
  transform: scale(1.08);
}

.service-card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  text-align: center;
  padding: 18px 16px;
  background: var(--dark2);
  border-top: 3px solid var(--red);
  transition: background var(--transition);
  height: 100%;
}

.service-card:hover h3 {
  background: var(--red);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--dark2);
  color: #aaa;
  padding: 56px 0 0;
  font-size: .88rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-logo {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: .1em;
  margin-bottom: 12px;
}

.footer-col p {
  line-height: 1.7;
  color: #888;
}

.footer-col h4 {
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 7px;
}

.footer-col ul li a {
  color: #888;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--red);
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: #888;
}

.footer-contact a {
  color: #ccc;
}

.footer-contact a:hover {
  color: var(--red);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .07);
  color: #aaa;
  transition: background var(--transition), color var(--transition);
}

.footer-social a:hover {
  background: var(--red);
  color: var(--white);
}

.footer-bottom {
  padding: 16px 0;
  text-align: center;
  font-size: .8rem;
  color: #555;
}

/* ===========================
   SERVIZI CAPPE PAGE
   =========================== */

/* Services Intro */
.services-intro {
  padding: 72px 0;
  background: var(--light);
}

.services-intro-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.intro-image {
  position: relative;
}

.intro-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.intro-text h2 {
  font-family: var(--font-head);
  font-size: 1.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--dark);
  margin-bottom: 20px;
  line-height: 1.2;
}

.intro-text h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--red);
  margin-top: 12px;
}

.intro-text p {
  color: var(--mid);
  margin-bottom: 16px;
  line-height: 1.7;
}

/* Technical Expertise */
.technical-expertise {
  padding: 72px 0;
  background: var(--dark);
  color: var(--white);
}

.technical-expertise h2 {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: center;
  margin-bottom: 40px;
  color: var(--white);
}

.technical-expertise h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 12px auto 0;
}

.expertise-content {
  max-width: 800px;
  margin: 0 auto;
}

.expertise-content p {
  color: #ccc;
  margin-bottom: 18px;
  line-height: 1.7;
  font-size: .95rem;
}

.expertise-content p:first-child::first-letter {
  font-weight: 600;
}

/* Importance Section */
.importance-section {
  padding: 72px 0;
  background: var(--light);
}

.importance-section h2 {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: center;
  margin-bottom: 40px;
}

.importance-section h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 12px auto 0;
}

.importance-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.importance-text p {
  color: var(--mid);
  margin-bottom: 16px;
  line-height: 1.7;
}

.importance-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.maintenance {
  padding: 72px 0;
  background: var(--white);
}

.maintenance h2 {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: center;
  margin-bottom: 10px;
}

.maintenance h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 12px auto 0;
}

.section-subtitle {
  text-align: center;
  color: var(--mid);
  margin-bottom: 44px;
  font-size: .95rem;
}

.maintenance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.maint-item {
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.maint-item:hover {
  border-color: var(--red);
  box-shadow: 0 4px 20px rgba(31, 115, 204, 0.1);
}

.maint-num {
  font-family: var(--font-head);
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(31, 109, 204, 0.1);
  position: absolute;
  top: 10px;
  right: 16px;
  line-height: 1;
  transition: color var(--transition);
}

.maint-item:hover .maint-num {
  color: rgba(31, 77, 204, 0.2);
}

.maint-item h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--dark);
  margin-bottom: 10px;
  position: relative;
}

.maint-item p {
  font-size: .88rem;
  color: var(--mid);
  position: relative;
}

/* Offered Services */
.offered-services {
  padding: 72px 0;
  background: var(--white);
}

.offered-services h2 {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: center;
  margin-bottom: 16px;
}

.offered-services h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 12px auto 0;
}

.section-intro {
  text-align: center;
  color: var(--mid);
  margin-bottom: 40px;
  font-size: .95rem;
}

.services-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}

.service-box {
  background: var(--light);
  padding: 32px 28px;
  border-radius: var(--radius);
  border-top: 3px solid var(--red);
}

.service-box h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--dark);
  margin-bottom: 16px;
}

.service-box ul {
  list-style: none;
}

.service-box li {
  color: var(--mid);
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  font-size: .92rem;
  line-height: 1.5;
}

.service-box li::before {
  content: '✓';
  display: inline-block;
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 600;
}

.installation-note {
  text-align: center;
  background: var(--red);
  color: var(--white);
  padding: 28px 32px;
  border-radius: var(--radius);
}

.installation-note p {
  font-size: .95rem;
  margin-bottom: 8px;
}

.installation-note p:last-child {
  margin-bottom: 0;
  font-size: 1rem;
}

/* CTA Section */
.cta-section {
  padding: 72px 0;
  background: var(--dark);
  color: var(--white);
  text-align: center;
}

.cta-section h2 {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 24px;
}

.cta-section p {
  font-size: 1rem;
  margin-bottom: 16px;
  color: #ccc;
  line-height: 1.6;
}

.cta-section strong {
  color: var(--red);
}

.cta-section .btn-primary {
  margin-top: 24px;
}

/* ===========================
   SERVIZI VENTILAZIONE CUCINE PAGE
   =========================== */

/* Air Problems Section */
.air-problems {
  padding: 72px 0;
  background: var(--white);
}

.air-problems h2 {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: center;
  margin-bottom: 40px;
}

.air-problems h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 12px auto 0;
}

.problems-content {
  max-width: 800px;
  margin: 0 auto;
}

.problems-content p {
  color: var(--mid);
  margin-bottom: 18px;
  line-height: 1.7;
  font-size: .95rem;
}

/* ===========================
   SERVIZI VENTILATORI SCARICO
   =========================== */

/* Warning Signs Section */
.warning-signs {
  padding: 72px 0;
  background: var(--white);
}

.warning-signs h2 {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: center;
  margin-bottom: 16px;
}

.warning-signs h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 12px auto 0;
}

.signs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.sign-card {
  background: var(--light);
  padding: 32px 28px;
  border-radius: var(--radius);
  border-top: 3px solid var(--red);
  transition: box-shadow var(--transition), transform var(--transition);
}

.sign-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.sign-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--dark);
  margin-bottom: 12px;
}

.sign-card p {
  color: var(--mid);
  font-size: .92rem;
  line-height: 1.6;
}

.section-intro {
  text-align: center;
  color: var(--mid);
  margin-bottom: 40px;
  font-size: .95rem;
}

.service-image-section {
  text-align: center;
}

.service-image-section img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Additional Services */
.additional-services {
  padding: 72px 0;
  background: var(--light);
}

.additional-services h2 {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: center;
  margin-bottom: 24px;
}

.additional-services h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 12px auto 0;
}

.additional-services>.container>p {
  text-align: center;
  color: var(--mid);
  margin-bottom: 32px;
  line-height: 1.6;
}

.additional-services-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.additional-box {
  background: var(--white);
  padding: 32px 28px;
  border-radius: var(--radius);
  border-top: 3px solid var(--red);
  margin: 0 auto;
  max-width: 600px;
}

.additional-box h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--dark);
  margin-bottom: 16px;
}

.additional-box ul {
  list-style: none;
}

.additional-box li {
  color: var(--mid);
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  font-size: .92rem;
  line-height: 1.5;
}

.additional-box li::before {
  content: '✓';
  display: inline-block;
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 600;
}

.warning {
  background-color: var(--red);
  color: var(--light);
  text-align: right;
  font-weight: normal;
  padding: 10px;
}

/* ===========================
   Privacy Policy
   =========================== */
.policy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.policy-item {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.policy-item ul {
  margin-top: 10px;
  padding-left: 18px;
}

.policy-item li {
  margin-bottom: 6px;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 900px) {

  .issues-grid,
  .services-grid,
  .maintenance-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .about-image img {
    height: 300px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

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

  .intro-image img {
    height: 300px;
  }

  .importance-content {
    grid-template-columns: 1fr;
  }

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

  .about-image {
    height: 450px;
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .home .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 2px solid var(--red);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .15);
    z-index: 999;
    margin-left: 0;
  }

  /* Nav mobile – tutte le pagine (non solo home) */
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 2px solid var(--red);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .15);
    z-index: 999;
  }

  .nav.open,
  .home .nav.open {
    display: block;
  }

  .nav ul,
  .home .nav ul {
    flex-direction: column;
    padding: 12px 0;
  }

  .nav a,
  .home .nav a {
    display: block;
    padding: 12px 20px;
  }

  /* flex-container diventa il pannello mobile */

  .nav-btn {
    display: block;
  }

  .header-cta {
    display: none;
  }

  .intro-image {
    display: none;
  }

  .services-intro.impianti {
    background-image: url(../assets/13.webp);
    background-size: cover;
    background-position: center;
  }

  .services-intro.norma {
    background-image: url(../assets/14.webp);
    background-size: cover;
    background-position: center;
  }

  .services-intro.fumi {
    background-image: url(../assets/17.webp);
    background-size: cover;
    background-position: center;
  }

  .services-intro-inner {
    background: rgba(255, 255, 255, .8);
    padding: 32px 24px;
    max-width: 600px;
    margin: 0 auto;
  }

  .importance-image {
    display: none;
  }

}

@media (max-width: 680px) {
  .topbar {
    display: none;
  }

  .hero {
    height: 400px;
  }

  .slide-content {
    left: 5%;
    right: 5%;
  }

  .issues-grid,
  .services-grid,
  .maintenance-grid {
    grid-template-columns: 1fr;
  }

  .call-cta {
    flex-direction: column;
    gap: 16px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

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

  .brands-logos {
    gap: 10px;
  }

  .brand-item {
    padding: 12px 20px;
    font-size: .9rem;
  }

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

  .intro-image img {
    height: 250px;
  }

  .intro-text h2 {
    font-size: 1.4rem;
  }

  .importance-content {
    grid-template-columns: 1fr;
  }

  .importance-image img {
    height: 280px;
  }

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

  .service-box {
    padding: 24px 20px;
  }

  .cta-section h2 {
    font-size: 1.4rem;
  }

  .cta-section p {
    font-size: .9rem;
  }

  .contact-ventilazione h2 {
    font-size: 1.4rem;
  }

  .contact-ventilazione>.container>p {
    font-size: .9rem;
  }

  .additional-box {
    padding: 24px 20px;
  }

  .about-image {
    height: 350px;
  }
  
  .signs-grid {
    grid-template-columns: repeat(1, 1fr);
  }

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

/* ===========================
   COOKIE BANNER – GDPR
   =========================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--dark2);
  color: var(--white);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, .35);
  padding: 1.25rem 0;
  animation: slideUpBanner .4s ease;
}

@keyframes slideUpBanner {
  from {
    transform: translateY(100%);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.cookie-banner__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  font-size: .88rem;
  line-height: 1.6;
  color: #ccc;
}

.cookie-banner__text a {
  color: var(--red);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: .75rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.cookie-btn {
  padding: .6rem 1.4rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.cookie-btn--primary {
  background: var(--red);
  color: var(--white);
}

.cookie-btn--primary:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
}

.cookie-btn--secondary {
  background: transparent;
  color: #aaa;
  border: 1px solid #555;
}

.cookie-btn--secondary:hover {
  border-color: #aaa;
  color: var(--white);
}

@media (max-width: 600px) {
  .cookie-banner__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .cookie-banner__actions {
    width: 100%;
  }

  .cookie-btn {
    flex: 1;
    text-align: center;
  }
}

/* GDPR WhatsApp note */
.gdpr-whatsapp-note {
  font-size: .72rem;
  color: #888;
  max-width: 200px;
  line-height: 1.4;
}

.gdpr-whatsapp-note a {
  color: var(--red);
  text-decoration: underline;
}

@media (max-width: 480px) {
  .gdpr-whatsapp-note {
    display: none;
  }
}