/* ============================
   VARIABLES & RESET
   ============================ */
:root {
  --blue-dark:   #273d88;
  --blue-mid:    #445a9e;
  --blue-light:  #828fbe;
  --blue-pale:   #6d7db3;
  --white:       #ffffff;
  --gray-light:  #f4f6fb;
  --gray-text:   #4a5568;
  --text-dark:   #1a202c;

  --font: 'Inter', sans-serif;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(39, 61, 136, 0.12);
  --transition: 0.3s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ============================
   UTILITY
   ============================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.section-title span { color: var(--blue-dark); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-text);
  max-width: 560px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--white);
  color: var(--blue-dark);
}
.btn-primary:hover { background: var(--gray-light); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }

.btn-dark {
  background: var(--blue-dark);
  color: var(--white);
}
.btn-dark:hover { background: var(--blue-mid); transform: translateY(-2px); }

.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

body.no-scroll { overflow: hidden; }

/* ============================
   NAVBAR
   ============================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(39, 61, 136, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.navbar__links a {
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition);
  position: relative;
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--white);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.navbar__links a:hover { color: var(--white); }
.navbar__links a:hover::after { transform: scaleX(1); }

.navbar__cta {
  background: var(--white);
  color: var(--blue-dark) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 700 !important;
  font-size: 0.9rem !important;
}
.navbar__cta::after { display: none !important; }
.navbar__cta:hover { background: var(--gray-light) !important; }

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--white);
  position: relative;
  z-index: 1001;
}
.hamburger svg {
  width: 28px;
  height: 28px;
  display: block;
}
.hamburger .hamburger__close { display: none; }
.hamburger.open .hamburger__open  { display: none; }
.hamburger.open .hamburger__close { display: block; }

.mobile-menu {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--blue-dark);
  z-index: 999;
  padding-top: 88px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255,255,255,0.7);
  font-size: 1.25rem;
  font-weight: 700;
  padding: 22px 32px;
  width: 100%;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: background var(--transition), color var(--transition), padding-left var(--transition);
  letter-spacing: -0.01em;
}
.mobile-menu a:first-child { border-top: 1px solid rgba(255,255,255,0.07); }
.mobile-menu a:hover {
  background: rgba(255,255,255,0.06);
  color: var(--white);
  padding-left: 44px;
}
.mobile-menu__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition);
}
.mobile-menu a:hover .mobile-menu__icon {
  background: rgba(255,255,255,0.18);
}
.mobile-menu__icon svg {
  width: 20px;
  height: 20px;
  color: rgba(255,255,255,0.85);
}

/* ============================
   HERO
   ============================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, #1a2d6e 0%, var(--blue-dark) 50%, #3a4fa8 100%);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__smoke {
  position: absolute;
  top: 50%;
  left: 80%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 900px;
  opacity: 0.13;
  pointer-events: none;
  object-fit: contain;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  padding: 6px 16px;
  color: rgba(255,255,255,0.9);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 28px;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero__title span {
  background: linear-gradient(90deg, #a8bfff, #d4ddff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  max-width: 520px;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 2;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 1; }
}

/* ============================
   CHI SIAMO
   ============================ */
.about {
  padding: 100px 0;
  background: var(--white);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__content .section-subtitle { margin-bottom: 40px; }

.about__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 40px;
}

.stat-card {
  height: 100%;
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 24px;
  border-left: 4px solid var(--blue-dark);
}

.stat-card__number {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--blue-dark);
  line-height: 1;
}

.stat-card__label {
  font-size: 0.85rem;
  color: var(--gray-text);
  margin-top: 4px;
}

/* ============================
   SERVIZI
   ============================ */
.services {
  padding: 100px 0;
  background: var(--gray-light);
}

.services__header {
  text-align: center;
  margin-bottom: 60px;
}

.services__header .section-subtitle {
  margin: 0 auto;
}

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

.service-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(39, 61, 136, 0.18);
}

.service-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.service-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card__image img { transform: scale(1.06); }

.service-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(39,61,136,0.4) 60%, transparent 100%);
}

.service-card__icon {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  background: var(--white);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.service-card__body {
  padding: 28px;
}

.service-card__title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 0.9rem;
  color: var(--gray-text);
  line-height: 1.65;
}

/* ============================
   PERCHÉ SCEGLIERCI
   ============================ */
.why {
  padding: 100px 0;
  background: var(--blue-dark);
  position: relative;
  overflow: hidden;
}

.why__bg-smoke {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  opacity: 0.06;
  pointer-events: none;
}

.why__header { text-align: center; margin-bottom: 60px; }
.why__header .section-label { color: var(--blue-light); }
.why__header .section-title { color: var(--white); }
.why__header .why__title-accent { color: #a8bfff; }

.why__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}

.why-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: background var(--transition), transform var(--transition);
}

.why-card:hover {
  background: rgba(255,255,255,0.13);
  transform: translateY(-4px);
}

.why-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.why-card__icon svg {
  width: 24px;
  height: 24px;
  color: rgba(255,255,255,0.85);
}

.why-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.why-card__desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

/* ============================
   CONTATTI
   ============================ */
.contact {
  padding: 100px 0;
  background: var(--white);
}

.contact__header {
  text-align: center;
  margin-bottom: 60px;
}

.contact__header .section-subtitle {
  margin: 0 auto;
}

.contact__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.contact-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 28px;
  border-radius: 16px;
  background: var(--blue-dark);
  color: var(--white);
  min-width: 260px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.contact-btn:hover {
  background: var(--blue-mid);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(39,61,136,0.25);
  color: var(--white);
}

.contact-btn--outline {
  background: transparent;
  border: 2px solid var(--blue-dark);
  color: var(--blue-dark);
}

.contact-btn--outline:hover {
  background: var(--blue-dark);
  color: var(--white);
}

.contact-btn__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-btn--outline .contact-btn__icon {
  background: rgba(39,61,136,0.08);
}

.contact-btn__icon svg {
  width: 20px;
  height: 20px;
}

.contact-btn__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-btn__text strong {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1;
}

.contact-btn__text span {
  font-size: 0.82rem;
  opacity: 0.75;
}

.contact__info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--gray-text);
  font-size: 0.85rem;
}

.contact__info p {
  display: flex;
  align-items: center;
  gap: 6px;
}

.contact__info-label {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact__info-sep {
  color: #cbd5e0;
  font-size: 1.2rem;
  line-height: 1;
}

/* ============================
   FOOTER
   ============================ */
.footer {
  background: #0f1e52;
  padding: 40px 0 28px;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__logo img {
  height: 32px;
  filter: brightness(0) invert(1);
  opacity: 0.7;
}

.footer__copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer__links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer__links a:hover { color: rgba(255,255,255,0.9); }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .why__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .navbar__links { display: none; }
  .hamburger { display: block; }

  .hero__smoke { width: 100%; opacity: 0.1; }

  .about__grid { grid-template-columns: 1fr; gap: 12px; }

  .contact__cta { flex-direction: column; align-items: center; }

  .about__image-badge { left: 0; bottom: -16px; }

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

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

  .footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero__smoke { opacity: 0.08; }
  .why__grid { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; align-items: flex-start; }
  .contact-btn { min-width: unset; width: 100%; max-width: 340px; }
}