/*
 * Albania Denti — Design System personalizzato (CSS puro, nessun framework UI esterno).
 * Estetica: fiducia medica italiana — luce, blu clinico, argento, calma.
 * Prefisso classi: .adn-
 */

:root {
  /* ---- Scala tipografica fluida (clamp: mobile -> desktop) ---- */
  --adn-text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --adn-text-sm: clamp(0.8125rem, 0.79rem + 0.2vw, 0.9375rem);
  --adn-text-base: clamp(1rem, 0.96rem + 0.25vw, 1.0625rem);
  --adn-text-lg: clamp(1.125rem, 1.06rem + 0.4vw, 1.25rem);
  --adn-text-xl: clamp(1.3125rem, 1.2rem + 0.6vw, 1.5rem);
  --adn-text-2xl: clamp(1.5rem, 1.32rem + 0.95vw, 1.9375rem);
  --adn-text-3xl: clamp(1.8125rem, 1.5rem + 1.6vw, 2.625rem);
  --adn-text-4xl: clamp(2.125rem, 1.6rem + 2.6vw, 3.5rem);
  --adn-leading-tight: 1.14;
  --adn-leading-snug: 1.3;
  --adn-leading-normal: 1.65;
  --adn-tracking-tight: -0.018em;
  --adn-tracking-wide: 0.14em;

  /* ---- Scala spaziature (base 4px, ritmo 8px) ---- */
  --adn-space-1: 0.25rem;
  --adn-space-2: 0.5rem;
  --adn-space-3: 0.75rem;
  --adn-space-4: 1rem;
  --adn-space-5: 1.5rem;
  --adn-space-6: 2rem;
  --adn-space-7: 3rem;
  --adn-space-8: 4rem;
  --adn-space-9: 6rem;
  --adn-section-y: clamp(3rem, 2rem + 5vw, 6rem);
  --adn-gutter: clamp(1.25rem, 0.75rem + 2vw, 2rem);
  --adn-container: 76rem;
  --adn-container-narrow: 48rem;

  /* ---- Raggi e transizioni ---- */
  --adn-radius-sm: 0.5rem;
  --adn-radius-md: 0.875rem;
  --adn-radius-lg: 1.25rem;
  --adn-radius-pill: 999px;
  --adn-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --adn-duration: 220ms;
}

/* ==========================================================================
   1. Tipografia
   ========================================================================== */
.adn-display,
.adn-h1,
.adn-h2,
.adn-h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: var(--adn-tracking-tight);
  color: var(--foreground);
  text-wrap: balance;
  margin: 0;
}
.adn-h1 { font-size: var(--adn-text-4xl); line-height: var(--adn-leading-tight); }
.adn-h2 { font-size: var(--adn-text-3xl); line-height: var(--adn-leading-tight); }
.adn-h3 { font-size: var(--adn-text-xl); line-height: var(--adn-leading-snug); }

.adn-eyebrow {
  font-family: var(--font-sans);
  font-size: var(--adn-text-xs);
  font-weight: 700;
  letter-spacing: var(--adn-tracking-wide);
  text-transform: uppercase;
  color: var(--brand);
  margin: 0;
}
.adn-lead {
  font-size: var(--adn-text-lg);
  line-height: var(--adn-leading-normal);
  color: var(--muted-foreground);
  max-width: 60ch;
  margin: 0;
}
:not(body).adn-body {
  font-size: var(--adn-text-base);
  line-height: var(--adn-leading-normal);
  color: var(--foreground);
  max-width: 68ch;
  margin: 0;
}
/* La classe body di WordPress (body_class) non deve ereditare la misura del testo. */
body.adn-body {
  max-width: none;
  margin: 0;
}
.adn-small {
  font-size: var(--adn-text-sm);
  line-height: 1.5;
  color: var(--muted-foreground);
  margin: 0;
}
.adn-numero {
  font-family: var(--font-display);
  font-size: var(--adn-text-3xl);
  font-weight: 600;
  line-height: 1;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   2. Griglia e layout
   ========================================================================== */
.adn-container {
  width: 100%;
  max-width: var(--adn-container);
  margin-inline: auto;
  padding-inline: var(--adn-gutter);
}
.adn-container--narrow { max-width: var(--adn-container-narrow); }
.adn-section { padding-block: var(--adn-section-y); }
.adn-stack { display: grid; gap: var(--adn-space-4); }
.adn-stack--sm { gap: var(--adn-space-3); }
.adn-stack--lg { gap: var(--adn-space-6); }
.adn-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--adn-space-3);
}
.adn-grid {
  display: grid;
  gap: var(--adn-space-5);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}
.adn-grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }
.adn-grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr)); }
.adn-split {
  display: grid;
  gap: var(--adn-space-6);
  align-items: center;
}
@media (min-width: 60rem) {
  .adn-split { grid-template-columns: 1.05fr 0.95fr; gap: var(--adn-space-7); }
}

/* ==========================================================================
   3. Superfici
   ========================================================================== */
.adn-card {
  background-color: var(--card);
  color: var(--card-foreground);
  border: 1px solid var(--border);
  border-radius: var(--adn-radius-lg);
  padding: var(--adn-space-5);
  box-shadow: var(--shadow-soft);
  transition: box-shadow var(--adn-duration) var(--adn-ease),
    transform var(--adn-duration) var(--adn-ease),
    border-color var(--adn-duration) var(--adn-ease);
}
.adn-card--hover:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: color-mix(in oklab, var(--brand) 28%, var(--border));
}
.adn-panel-luce {
  border-radius: var(--adn-radius-lg);
  border: 1px solid color-mix(in oklab, var(--brand) 12%, var(--border));
  background:
    radial-gradient(120% 90% at 12% 0%, color-mix(in oklab, var(--brand-soft) 85%, transparent), transparent 62%),
    linear-gradient(180deg, var(--card), var(--surface));
  padding: var(--adn-space-6);
}
.adn-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--adn-space-2);
  padding: 0.3125rem 0.75rem;
  border-radius: var(--adn-radius-pill);
  font-size: var(--adn-text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid color-mix(in oklab, var(--brand) 18%, var(--border));
  background-color: color-mix(in oklab, var(--brand-soft) 70%, var(--card));
  color: var(--secondary-foreground);
}
.adn-badge--eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.6875rem;
  padding: 0.375rem 0.875rem;
}
.adn-badge--oro {
  border-color: color-mix(in oklab, var(--gold) 40%, var(--border));
  background-color: color-mix(in oklab, var(--gold) 16%, var(--card));
  color: var(--gold-foreground);
}
.adn-badge--sicuro {
  border-color: color-mix(in oklab, var(--success) 32%, var(--border));
  background-color: color-mix(in oklab, var(--success) 12%, var(--card));
  color: color-mix(in oklab, var(--success) 70%, var(--foreground));
}

/* ==========================================================================
   4. Bottoni
   ========================================================================== */
.adn-btn {
  --adn-btn-py: 0.75rem;
  --adn-btn-px: 1.375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--adn-space-2);
  padding: var(--adn-btn-py) var(--adn-btn-px);
  border-radius: var(--adn-radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: var(--adn-text-sm);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--adn-duration) var(--adn-ease),
    color var(--adn-duration) var(--adn-ease),
    border-color var(--adn-duration) var(--adn-ease),
    box-shadow var(--adn-duration) var(--adn-ease),
    transform var(--adn-duration) var(--adn-ease);
}
.adn-btn:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}
.adn-btn:disabled,
.adn-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.adn-btn--primario {
  background-color: var(--brand);
  color: var(--brand-foreground);
  box-shadow: 0 10px 24px -14px color-mix(in oklab, var(--brand-deep) 80%, transparent);
}
.adn-btn--primario:hover:not(:disabled) {
  background-color: var(--brand-deep);
  transform: translateY(-1px);
  box-shadow: 0 16px 30px -16px color-mix(in oklab, var(--brand-deep) 85%, transparent);
}
.adn-btn--primario:active:not(:disabled) { transform: translateY(0); }

.adn-btn--secondario {
  background-color: var(--card);
  color: var(--brand);
  border-color: color-mix(in oklab, var(--brand) 32%, var(--border));
}
.adn-btn--secondario:hover:not(:disabled) {
  background-color: color-mix(in oklab, var(--brand-soft) 70%, var(--card));
  border-color: var(--brand);
}

.adn-btn--oro {
  background-color: var(--gold);
  color: var(--gold-foreground);
  box-shadow: 0 10px 24px -16px color-mix(in oklab, var(--gold) 90%, transparent);
}
.adn-btn--oro:hover:not(:disabled) {
  background-color: color-mix(in oklab, var(--gold) 86%, var(--foreground));
  transform: translateY(-1px);
}

.adn-btn--fantasma {
  background-color: transparent;
  color: var(--foreground);
}
.adn-btn--fantasma:hover:not(:disabled) {
  background-color: var(--surface);
}

.adn-btn--sm { --adn-btn-py: 0.5rem; --adn-btn-px: 1rem; font-size: var(--adn-text-xs); }
.adn-btn--lg { --adn-btn-py: 0.9375rem; --adn-btn-px: 1.875rem; font-size: var(--adn-text-base); }
.adn-btn--blocco { width: 100%; }

.adn-link {
  color: var(--brand);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--brand) 35%, transparent);
  transition: border-color var(--adn-duration) var(--adn-ease);
}
.adn-link:hover { border-bottom-color: var(--brand); }

/* ==========================================================================
   5. Moduli (form)
   ========================================================================== */
.adn-form { display: grid; gap: var(--adn-space-5); }
.adn-form-row { display: grid; gap: var(--adn-space-4); }
.adn-field { display: grid; gap: var(--adn-space-2); }
.adn-label {
  font-size: var(--adn-text-sm);
  font-weight: 600;
  color: var(--foreground);
}
.adn-input,
.adn-textarea,
.adn-select {
  width: 100%;
  font-family: var(--font-sans);
  font-size: var(--adn-text-base);
  color: var(--foreground);
  background-color: var(--card);
  border: 1px solid var(--input);
  border-radius: var(--adn-radius-md);
  padding: 0.75rem 0.9375rem;
  transition: border-color var(--adn-duration) var(--adn-ease),
    box-shadow var(--adn-duration) var(--adn-ease),
    background-color var(--adn-duration) var(--adn-ease);
}
.adn-textarea { min-height: 8.5rem; resize: vertical; line-height: var(--adn-leading-normal); }
.adn-select { appearance: none; padding-right: 2.5rem; }
.adn-select-wrap { position: relative; display: grid; }
.adn-select-wrap::after {
  content: "";
  position: absolute;
  right: 1rem;
  top: 50%;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--muted-foreground);
  border-bottom: 2px solid var(--muted-foreground);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.adn-input::placeholder,
.adn-textarea::placeholder { color: color-mix(in oklab, var(--muted-foreground) 80%, transparent); }
.adn-input:hover,
.adn-textarea:hover,
.adn-select:hover { border-color: color-mix(in oklab, var(--brand) 30%, var(--input)); }
.adn-input:focus,
.adn-textarea:focus,
.adn-select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--brand) 14%, transparent);
}
.adn-input[aria-invalid="true"],
.adn-textarea[aria-invalid="true"] {
  border-color: var(--destructive);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--destructive) 12%, transparent);
}
.adn-hint { font-size: var(--adn-text-xs); color: var(--muted-foreground); }
.adn-consenso {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--adn-space-3);
  align-items: start;
  font-size: var(--adn-text-sm);
  color: var(--muted-foreground);
}
.adn-checkbox {
  appearance: none;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.1875rem;
  border: 1px solid var(--input);
  border-radius: 0.3125rem;
  background-color: var(--card);
  cursor: pointer;
  transition: background-color var(--adn-duration) var(--adn-ease), border-color var(--adn-duration) var(--adn-ease);
}
.adn-checkbox:checked {
  background-color: var(--brand);
  border-color: var(--brand);
  background-image: linear-gradient(45deg, transparent 46%, var(--brand-foreground) 46%, var(--brand-foreground) 54%, transparent 54%),
    linear-gradient(-45deg, transparent 46%, var(--brand-foreground) 46%, var(--brand-foreground) 54%, transparent 54%);
  background-size: 60% 60%;
  background-position: center;
  background-repeat: no-repeat;
}
.adn-checkbox:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }

/* ==========================================================================
   6. Icone e immagini
   ========================================================================== */
.adn-icon {
  width: 1.5rem;
  height: 1.5rem;
  flex: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}
.adn-icon--sm { width: 1.125rem; height: 1.125rem; }
.adn-icon--lg { width: 2rem; height: 2rem; }
.adn-icon-cerchio {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--adn-radius-pill);
  color: var(--brand);
  background: linear-gradient(160deg, color-mix(in oklab, var(--brand-soft) 90%, var(--card)), var(--card));
  border: 1px solid color-mix(in oklab, var(--brand) 15%, var(--border));
}
.adn-figura {
  position: relative;
  overflow: hidden;
  border-radius: var(--adn-radius-lg);
  border: 1px solid var(--border);
  background-color: var(--surface);
  box-shadow: var(--shadow-card);
}
.adn-figura img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.adn-figura--alta img { aspect-ratio: 3 / 4; }
.adn-figura--velo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, color-mix(in oklab, var(--brand-deep) 72%, transparent));
}
.adn-figura__caption {
  position: absolute;
  inset-inline: var(--adn-space-4);
  bottom: var(--adn-space-4);
  z-index: 1;
  color: oklch(0.99 0.005 95);
  font-size: var(--adn-text-sm);
  font-weight: 600;
  text-shadow: 0 1px 12px oklch(0.2 0.03 220 / 0.6);
}

@media (prefers-reduced-motion: reduce) {
  .adn-btn,
  .adn-card { transition: none; }
  .adn-btn--primario:hover,
  .adn-btn--oro:hover,
  .adn-card--hover:hover { transform: none; }
}