/* ================================================
   MODAL OVERLAY
   ================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s var(--ease), visibility 0.3s;
}

.modal-overlay.active {
  visibility: visible;
  opacity: 1;
}

.modal-overlay.closing {
  visibility: visible;
  opacity: 0;
}

/* === BACKDROP === */
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* === MODAL === */
.modal {
  position: relative;
  background: var(--bianco);
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
  width: 94vw;
  height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.4s var(--ease);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-overlay.closing .modal {
  transform: scale(0.95) translateY(20px);
}

/* === HEADER (nav + close) === */
.modal__header {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--bordo);
  padding: 0 16px 0 0;
  flex-shrink: 0;
  background: var(--bianco);
}

/* === LOGO === */
.modal__logo {
  height: 32px;
  width: auto;
  margin-left: 16px;
  flex-shrink: 0;
}

/* === NAV TABS === */
.modal__nav {
  display: flex;
  flex: 1;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.modal__nav::-webkit-scrollbar { display: none; }

.modal__tab {
  padding: 16px 20px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--testo-l);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
  font-family: var(--font);
}

.modal__tab:hover {
  color: var(--verde-chiaro);
}

.modal__tab.active {
  color: var(--verde-scuro);
  border-bottom-color: var(--verde-chiaro);
}

/* === CLOSE BUTTON === */
.modal__close {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--bordo);
  background: var(--bianco);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ombra-sm);
  transition: all 0.25s var(--ease);
}

.modal__close:hover {
  background: var(--verde-bg);
  border-color: var(--verde-chiaro);
}

.modal__close svg {
  width: 18px;
  height: 18px;
  stroke: var(--testo-m);
  transition: stroke 0.25s var(--ease);
}

.modal__close:hover svg {
  stroke: var(--verde-scuro);
}

/* === MODAL BODY (scrollabile) === */
.modal__body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* === PAGE SECTIONS (dentro modal) === */
.page-section {
  display: none;
  padding: 32px 0 40px;
}

.page-section.active {
  display: block;
  animation: sectionIn 0.35s var(--ease) forwards;
  animation-delay: 0.05s;
  opacity: 0;
}

@keyframes sectionIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-section__inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 32px;
}

.page-section__inner h2 {
  font-family: var(--font-h);
  font-size: 2rem;
  font-weight: 700;
  color: var(--verde-scuro);
}

.page-section__line {
  width: 44px;
  height: 3px;
  background: linear-gradient(90deg, var(--verde-chiaro), var(--verde-accent));
  border-radius: 2px;
  margin: 12px 0 16px;
}

.page-section__desc {
  font-size: 0.95rem;
  color: var(--testo-l);
  margin-bottom: 32px;
  max-width: 500px;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .modal { width: 96vw; height: 94vh; }
  .modal__tab { padding: 14px 16px; font-size: 0.8rem; }
  .page-section__inner { padding: 0 20px; }
}

@media (max-width: 550px) {
  .modal {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
  }

  .modal__tab { padding: 12px 14px; font-size: 0.76rem; }
  .modal__close { width: 36px; height: 36px; }
  .page-section { padding: 24px 0 32px; }
}