/* ============================================================
   SANDRINI IMPIANTI — Main Stylesheet
   Madmedia © 2026
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red:       #E8191A;
  --red-dark:  #C41516;
  --black:     #111111;
  --near-black:#1A1A1A;
  --dark-bg:   #191919;
  --off-white: #F5F3F0;
  --light-bg:  #F8F7F5;
  --mid-gray:  #888888;
  --border:    #E0DDD9;
  --white:     #FFFFFF;

  --font-display: 'Barlow', 'Barlow Condensed', sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-pill: 999px;

  --max-w: 1280px;
  --gutter: clamp(24px, 5vw, 80px);

  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }

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

.btn-outline {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}
.btn-outline:hover { background: var(--black); color: var(--white); }

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline-white:hover { background: var(--white); color: var(--black); }

/* ---------- HEADER ---------- */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(245, 243, 240, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

#site-header.scrolled {
  border-bottom-color: var(--border);
  background: rgba(245, 243, 240, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}

.site-logo svg,
.site-logo img {
  height: 36px;
  width: auto;
}

/* Nav */
.site-nav { display: flex; align-items: center; gap: 40px; }

.site-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--black);
  position: relative;
  transition: color var(--transition);
}
.site-nav a:hover, .site-nav a.active { color: var(--red); }
.site-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 2px;
  background: var(--red);
  border-radius: 2px;
}

.nav-has-dropdown { position: relative; }
.nav-has-dropdown > a { display: flex; align-items: center; gap: 4px; }
.nav-has-dropdown > a svg { width: 14px; height: 14px; transition: transform var(--transition); }
.nav-has-dropdown:hover > a svg { transform: rotate(180deg); }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 220px;
  box-shadow: 0 8px 32px rgba(0,0,0,.10);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  transform: translateX(-50%) translateY(8px);
}

.nav-has-dropdown:hover .dropdown-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.dropdown-menu a:hover { background: var(--light-bg); color: var(--red); }

.header-cta { flex-shrink: 0; }

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- HERO ---------- */
#hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
  background: var(--off-white);
}

.hero-content {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  padding: 80px 0;
}

.hero-content h1 {
  font-size: clamp(52px, 7vw, 96px);
  color: var(--black);
  margin-bottom: 24px;
}

.hero-content h1 em {
  color: var(--red);
  font-style: normal;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: #555;
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- WATERMARK SECTION ---------- */
.watermark-section {
  position: relative;
  padding: 0;
  margin: -20px 0;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
}

.watermark-text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(100px, 18vw, 240px);
  color: var(--black);
  opacity: 0.06;
  text-align: center;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

/* ---------- SECTION: SERVIZI ---------- */
#servizi {
  padding: 80px 0;
  background: var(--off-white);
}

.servizi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.servizi-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--border);
}

.servizi-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.servizi-image-placeholder {
  width: 100%;
  height: 100%;
  background: #D8D5D0;
  border-radius: var(--radius-md);
}

.servizi-content h2 {
  font-size: clamp(28px, 3vw, 38px);
  margin-bottom: 8px;
}

.servizi-content .section-subtitle {
  font-size: 17px;
  color: #555;
  margin-bottom: 32px;
}

.servizi-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}

.servizio-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.servizio-item:hover {
  border-color: var(--red);
  box-shadow: 0 4px 20px rgba(232,25,26,.08);
}

.servizio-icon {
  width: 44px;
  height: 44px;
  background: var(--red);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.servizio-icon svg {
  width: 22px;
  height: 22px;
  color: var(--white);
}

.servizio-info { flex: 1; }
.servizio-info strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--black);
}
.servizio-info span {
  font-size: 13px;
  color: var(--mid-gray);
}

.servizio-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  position: absolute;
  top: -10px;
  right: 16px;
}

.badge-highlight { background: var(--red); color: var(--white); }
.badge-recurring { background: var(--red); color: var(--white); }

.servizi-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- SECTION: 4 VANTAGGI ---------- */
#vantaggi {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}

.vantaggi-bg {
  position: absolute;
  inset: 0;
  background: var(--dark-bg);
  z-index: 0;
}

.vantaggi-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.vantaggi-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.vantaggi-text h2 {
  font-size: clamp(32px, 4vw, 52px);
  color: var(--white);
  margin-bottom: 20px;
}

.vantaggi-text h2 em {
  color: var(--red);
  font-style: normal;
}

.vantaggi-text p {
  color: rgba(255,255,255,.65);
  font-size: 16px;
  max-width: 400px;
  margin-bottom: 40px;
}

.vantaggi-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.vantaggi-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.vantaggio-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  padding: 28px;
  backdrop-filter: blur(10px);
  transition: background var(--transition);
}

.vantaggio-card:hover { background: rgba(255,255,255,.13); }

.vantaggio-card .card-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 20px;
  opacity: .6;
}

.vantaggio-card h3 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 12px;
}

.vantaggio-card p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
}

/* ---------- SECTION: REVIEWS ---------- */
#reviews {
  padding: 60px 0;
  background: var(--near-black);
  text-align: center;
}

.reviews-inner { max-width: 480px; margin: 0 auto; }

.review-avatars {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.review-avatars img,
.avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--near-black);
  margin-left: -10px;
  background: var(--mid-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: white;
  overflow: hidden;
}

.review-avatars .avatar-placeholder:first-child { margin-left: 0; }

.review-stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}

.review-stars svg {
  width: 28px;
  height: 28px;
  fill: #F4C430;
}

.review-score {
  font-size: 15px;
  color: rgba(255,255,255,.65);
  font-weight: 500;
}

.review-score strong {
  color: var(--white);
  font-weight: 700;
}

/* ---------- SECTION: CERTIFICAZIONI ---------- */
#certificazioni {
  padding: 72px 0;
  background: var(--off-white);
  text-align: center;
}

#certificazioni h2 {
  font-size: clamp(36px, 5vw, 64px);
  color: var(--red);
  margin-bottom: 48px;
  font-style: italic;
}

.cert-logos {
  display: flex;
  justify-content: center;
  gap: 0;
}

.cert-logo {
  flex: 1;
  max-width: 200px;
  padding: 28px 32px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--mid-gray);
  min-height: 100px;
}

.cert-logo:not(:last-child) { border-right: none; }
.cert-logo:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.cert-logo:last-child  { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

.cert-logo img {
  max-height: 48px;
  width: auto;
  opacity: .6;
  filter: grayscale(1);
  transition: opacity var(--transition), filter var(--transition);
}

.cert-logo:hover img { opacity: 1; filter: grayscale(0); }

/* ---------- TICKER (partner logos) ---------- */
#partner-ticker {
  background: var(--dark-bg);
  overflow: hidden;
  padding: 28px 0;
}

.ticker-track {
  display: flex;
  gap: 80px;
  animation: ticker 20s linear infinite;
  width: max-content;
}

.ticker-track img,
.ticker-item {
  height: 28px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .3;
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 700;
  color: white;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
}

@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- SECTION: CONTATTI ---------- */
#contatti {
  padding: 80px 0;
  background: var(--dark-bg);
}

.contatti-inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}

.contatti-info h2 {
  font-size: clamp(28px, 3.5vw, 44px);
  color: var(--white);
  margin-bottom: 20px;
}

.contatti-info p {
  font-size: 16px;
  color: rgba(255,255,255,.6);
  margin-bottom: 40px;
  line-height: 1.7;
}

.contatti-links { display: flex; flex-direction: column; gap: 16px; }

.contatti-link {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  color: var(--white);
  transition: color var(--transition);
}

.contatti-link:hover { color: var(--red); }

.contatti-link-icon {
  width: 40px;
  height: 40px;
  background: var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contatti-link-icon svg {
  width: 18px;
  height: 18px;
  color: var(--white);
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 14px; }

.contact-form input,
.contact-form textarea {
  width: 100%;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 15px;
  color: var(--white);
  font-family: var(--font-body);
  transition: border-color var(--transition), background var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: rgba(255,255,255,.35); }

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(255,255,255,.35);
  background: rgba(255,255,255,.10);
}

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

.form-privacy {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.form-privacy input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border-radius: 4px;
  margin-top: 2px;
  cursor: pointer;
}

.form-privacy label {
  font-size: 13px;
  color: rgba(255,255,255,.5);
  line-height: 1.5;
  cursor: pointer;
}

.form-privacy a { color: rgba(255,255,255,.7); text-decoration: underline; }

.form-submit-wrap { display: flex; flex-direction: column; gap: 10px; }

.btn-full { width: 100%; }

.form-note {
  text-align: center;
  font-size: 13px;
  color: var(--red);
  font-weight: 500;
}

/* ---------- FOOTER ---------- */
#site-footer {
  background: var(--dark-bg);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,.5);
  margin-top: 16px;
  line-height: 1.7;
  max-width: 280px;
}

.footer-brand .powered-by {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 12px;
  color: var(--red);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.footer-brand .powered-by:hover { color: #ff4444; }

.footer-col h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 20px;
}

.footer-col ul li { margin-bottom: 12px; }

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--white); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: rgba(255,255,255,.4);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item span {
  font-size: 14px;
  color: rgba(255,255,255,.65);
  line-height: 1.5;
}

.footer-wordmark {
  padding: 32px 0 0;
  overflow: hidden;
  position: relative;
}

.footer-wordmark-text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(80px, 14vw, 200px);
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 0.85;
  display: flex;
  align-items: center;
  justify-content: space-between;
  white-space: nowrap;
}

.footer-wordmark-text .wordmark-logo {
  height: clamp(60px, 10vw, 160px);
  width: auto;
  flex-shrink: 0;
}

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,.3);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: rgba(255,255,255,.3);
  transition: color var(--transition);
}
.footer-bottom-links a:hover { color: rgba(255,255,255,.65); }

/* ---------- MOBILE NAV ---------- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--off-white);
  z-index: 99;
  flex-direction: column;
  padding: 100px 32px 40px;
  gap: 24px;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-size: 28px;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--black);
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
  transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--red); }

.mobile-menu .btn { margin-top: 16px; text-align: center; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .servizi-grid { grid-template-columns: 1fr; gap: 40px; }
  .servizi-image { aspect-ratio: 16/9; }
  .vantaggi-inner { grid-template-columns: 1fr; gap: 40px; }
  .contatti-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .site-nav, .header-cta { display: none; }
  .hamburger { display: flex; }
  .vantaggi-cards { grid-template-columns: 1fr; }
  .cert-logos { flex-direction: column; }
  .cert-logo { max-width: 100%; }
  .cert-logo:not(:last-child) { border-right: 1px solid var(--border); border-bottom: none; }
  .cert-logo:first-child { border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
  .cert-logo:last-child { border-radius: 0 0 var(--radius-sm) var(--radius-sm); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .servizi-buttons { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
  *, *::before, *::after { transition: none !important; }
}