/* Art direction: professional social cooperative landing page → solid, welcoming, modern.
   Palette: cool grey background, blue primary, red accent, black/white text.
   Typography: Montserrat + Open Sans for clarity and authority.
   Density: balanced, optimized for desktop and smartphone. */

:root {
  --color-primary: #1e4ed8;
  --color-primary-dark: #153a9f;
  --color-accent: #c62828;
  --color-accent-soft: rgba(198, 40, 40, 0.12);
  --color-text: #121212;
  --color-text-soft: #505862;
  --color-white: #ffffff;
  --color-bg: #eceff3;
  --color-surface: #f8fafc;
  --color-border: rgba(18, 18, 18, 0.08);
  --color-shadow: rgba(5, 16, 33, 0.15);
  --footer-top: #222831;
  --footer-bottom: #020202;
  --hero-overlay: linear-gradient(90deg, rgba(4, 11, 24, 0.76) 0%, rgba(7, 20, 44, 0.60) 38%, rgba(7, 20, 44, 0.18) 100%);
  --font-display: 'Montserrat', Arial, sans-serif;
  --font-body: 'Open Sans', Arial, sans-serif;
  --transition-base: 0.3s ease;
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --header-height: 240px;
  --footer-height: 80px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: linear-gradient(180deg, #f3f5f8 0%, #e6eaef 64%, #d5dae2 100%);
}

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

.site-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: #111;
  letter-spacing: 1px;
}
.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  z-index: 1050;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  height: var(--header-height);
  background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(248,250,252,0.96) 100%);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 1000;
  backdrop-filter: blur(12px);
}

/* =========================
   HEADER
========================= */

:root {
  --header-height: 240px;
}

.site-header {
  height: var(--header-height);
  background: linear-gradient(180deg,#ffffff 0%,#f8fafc 100%);
  border-bottom: 1px solid rgba(0,0,0,.08);
  position: relative;
  z-index: 1000;
}

.header-shell {
  display: grid;
  grid-template-columns: 420px 1fr;
  grid-template-rows: 1fr auto;
  height: 100%;
  position: relative;
  align-items: center;
}

/* LOGO */

.brand-block {
  grid-column: 1;
  grid-row: 1 / span 2;

  display: flex;
  align-items: center;
  justify-content: flex-start;

  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  height: 100%;
  width: 100%;
  max-width: none;
}

.brand img {
  width: auto;
  height: 90%;
  max-height: 210px;
  object-fit: contain;
}

/* TITOLO */

.site-title-wrap {
  grid-column: 2;
  grid-row: 1;

  display: flex;
  justify-content: center;
  align-items: center;
}

.site-name {
  margin: 0;

  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;

  color: #111;
  text-align: center;
}

/* MENU */

.menu-zone {
  grid-column: 2;
  grid-row: 2;

  display: flex;
  justify-content: flex-start;

  padding-left: 40px;
  padding-bottom: 15px;
}

.menu-collapse {
  display: block !important;
}

.menu-list {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap;

  gap: 40px;

  margin: 0;
  padding: 0;

  list-style: none;
}

.menu-list .nav-link {
  position: relative;

  color: #000 !important;

  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;

  text-decoration: none;

  transition: all .3s ease;
}

.menu-list .nav-link:hover,
.menu-list .nav-link.active {
  color: var(--color-primary) !important;
}

.menu-list .nav-link::after {
  content: '';
  position: absolute;

  left: 0;
  bottom: -4px;

  width: 0;
  height: 3px;

  background: var(--color-primary);

  transition: width .3s ease;
}

.menu-list .nav-link:hover::after,
.menu-list .nav-link.active::after {
  width: 100%;
}

/* HAMBURGER */

.custom-toggler {
  display: none !important;
}
/*hHERO*/
.hero {
    min-height: 75vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 20px;
    background: linear-gradient(135deg,#0c2340,#1b4f72);
}

.hero-content {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-form {
    max-width: 500px;
    margin: 30px auto 0 auto;
    padding: 30px;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(8px);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,.2);
}


.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.hero-content p {
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.form-row {
    margin-bottom: 15px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    box-sizing: border-box;
}

.contact-form textarea {
    min-height: 120px;
    resize: vertical;
}

.btn-submit {
    background: #f39c12;
    color: #fff;
    border: none;
    padding: 15px 30px;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    font-weight: 600;
}

.btn-submit:hover {
    background: #e67e22;
}
/* MOBILE */

@media (max-width:991px){

  :root{
    --header-height:180px;
  }

  .header-shell{
    display:block;
    padding-top:10px;
  }

  .brand-block{
    justify-content:center;
    height:auto;
  }

  .brand img{
    max-height:120px;
  }

  .site-title-wrap{
    margin-top:10px;
  }

  .site-name{
    font-size:1.8rem;
  }

  .custom-toggler{
    display:flex !important;
    position:absolute;
    top:20px;
    right:20px;
  }

  .menu-zone{
    padding:0;
  }

  .menu-collapse{
    display:none !important;
  }

  .menu-collapse.show{
    display:block !important;
  }

  .menu-list{
    flex-direction:column !important;
    gap:10px;
    margin-top:15px;
  }
}

.menu-list .nav-link {
  position: relative;
  padding: 0.55rem 0.15rem;
  color: #000000 !important;
  opacity: 1 !important;
  visibility: visible !important;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: all 0.3s ease;
}

.menu-list {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 9999;
}


.navbar-collapse {
    display: block !important;
}

.menu-list .nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0.12rem;
  width: 0;
  height: 3px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transition: width var(--transition-base);
}

.menu-list .nav-link:hover,
.menu-list .nav-link:focus,
.menu-list .nav-link.active {
  color: var(--color-primary);
  transform: translateY(-1px);
}

.menu-list .nav-link:hover::after,
.menu-list .nav-link:focus::after,
.menu-list .nav-link.active::after {
  width: 100%;
}

.custom-toggler {
  grid-column: 3;
  grid-row: 2;
  align-self: end;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(30, 78, 216, 0.18);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 20px rgba(15, 38, 73, 0.08);
  display: none;
}

.custom-toggler .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2818,18,18,0.86%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.custom-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(30, 78, 216, 0.22);
}

.header-divider {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(80,88,98,0.10) 0%, rgba(80,88,98,0.25) 50%, rgba(80,88,98,0.10) 100%);
}

.site-main {
  padding-block: 1.75rem 2.5rem;
}

.hero-section {
  padding-bottom: 2.25rem;
}

.hero-card {
  position: relative;
  min-height: clamp(420px, 75vh, 760px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #0c1624;
  box-shadow: 0 24px 48px var(--color-shadow);
}

.hero-image {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.5rem, 3vw, 3rem);
  background: var(--hero-overlay);
  color: var(--color-white);
}

.hero-kicker {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: 0.9rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.stagger-line {
  margin: 0;
  max-width: 650px;
  text-shadow: 0 6px 22px rgba(0,0,0,0.24);
}

.line-1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
}

.line-2,
.line-3,
.line-4 {
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 500;
  margin-top: 0.45rem;
}

.line-2 { margin-left: 1.2rem; }
.line-3 { margin-left: 2.4rem; }
.line-4 { margin-left: 3.6rem; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.btn-hero {
  min-height: 46px;
  padding-inline: 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn-outline-light:hover,
.btn-outline-light:focus {
  color: var(--color-white);
  background-color: rgba(255,255,255,0.16);
}

.services-section {
  padding-top: 0.5rem;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 2rem;
}

.section-badge {
  display: inline-block;
  margin-bottom: 0.85rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.section-heading h2 {
  margin-bottom: 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
}

.section-heading p {
  margin: 0 auto;
  color: var(--color-text-soft);
  font-size: 1rem;
}

.service-card {
  perspective: 1200px;
  min-height: 320px;
  cursor: pointer;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 320px;
  transform-style: preserve-3d;
  transition: transform 0.75s ease;
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  backface-visibility: hidden;
}

.flip-card-front {
  background: var(--color-surface);
  box-shadow: 0 18px 36px rgba(16, 24, 40, 0.10);
}

.flip-card-front img {
  height: 100%;
}

.card-caption {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.9);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(0,0,0,0.12);
}

.flip-card-back {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(145deg, #0f1b2f 0%, #163a8b 52%, #8e1f28 100%);
  color: var(--color-white);
  transform: rotateY(180deg);
  box-shadow: 0 18px 36px rgba(16, 24, 40, 0.14);
}

.flip-card-back h3 {
  margin-bottom: 0.8rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.flip-card-back p {
  margin: 0;
  line-height: 1.75;
  font-size: 0.98rem;
}

.flip-card:hover .flip-card-inner,
.flip-card:focus-within .flip-card-inner,
.flip-card.is-flipped .flip-card-inner {
  transform: rotateY(180deg);
}

.site-footer {
  min-height: var(--footer-height);
  background: linear-gradient(180deg, var(--footer-top) 0%, #0b0d10 30%, var(--footer-bottom) 100%);
  color: rgba(255,255,255,0.92);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-content {
  min-height: var(--footer-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding-block: 0.95rem;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-logo {
  display: block;
  width: 92px;
  flex: 0 0 auto;
}

.footer-logo img {
  width: 100%;
  max-height: 40px;
  object-fit: contain;
}

.footer-info {
  display: grid;
  gap: 0.18rem;
}

.footer-info p {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
}

.footer-info i,
.social-links i {
  font-size: 1rem;
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.85rem;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: var(--color-white);
  text-decoration: none;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.10);
  transition: transform var(--transition-base), background var(--transition-base), color var(--transition-base);
}

.social-links a:hover,
.social-links a:focus {
  transform: translateY(-2px);
  background: rgba(30, 78, 216, 0.22);
  color: #ffffff;
}

.copyright {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.82);
}

.copyright a {
  color: #8fb6ff;
  text-decoration: none;
}

.copyright a:hover,
.copyright a:focus {
  color: #ffffff;
  text-decoration: underline;
}

@media (max-width: 991.98px) {

  :root {
    --header-height: 180px;
  }

  .site-name {
    font-size: 2rem;
  }

  .brand img {
    max-height: 140px;
  }

  .menu-zone {
    position: static;
    width: 100%;
  }

  .custom-toggler {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .menu-collapse {
    position: absolute;
    top: calc(100% + 1px);
    left: 10px;
    right: 10px;
    background: #fff;
    border-radius: 12px;
    padding: 15px;
    z-index: 9999;
  }

  .menu-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}@media (max-width: 767.98px) {
  :root {
    --header-height: 150px;
  }

  .site-main {
    padding-block: 1rem 2rem;
  }

  .hero-card {
    min-height: 75vh;
  }

  .hero-overlay {
    justify-content: flex-end;
    padding: 1.25rem;
    background: linear-gradient(180deg, rgba(6, 14, 26, 0.18) 0%, rgba(6, 14, 26, 0.78) 64%, rgba(6, 14, 26, 0.92) 100%);
  }

  .hero-kicker {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
  }

  .line-1 {
    font-size: clamp(1.8rem, 8vw, 2.6rem);
  }

  .line-2,
  .line-3,
  .line-4 {
    font-size: 0.98rem;
  }

  .line-2 { margin-left: 0.7rem; }
  .line-3 { margin-left: 1.4rem; }
  .line-4 { margin-left: 2.1rem; }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-hero {
    width: 100%;
  }

  .section-heading {
    margin-bottom: 1.4rem;
  }

  .service-card,
  .flip-card-inner {
    min-height: 290px;
  }

  .footer-content,
  .footer-left,
  .footer-right {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-right {
    gap: 0.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}