/* ============================================================
   EGG Lab S.r.l. — foglio di stile unico
   Design system + layout base. Le sezioni specifiche vivono
   piu' in basso e verranno estese in Fase B.
   ============================================================ */

@import url('./fonts/fonts.css');

/* ------------------------------------------------------------
   1. Token — colore e tipografia
   Tutti i grigi sono R=G=B (spec §3, direzione visiva).
   ------------------------------------------------------------ */
:root {
  /* Palette dal logo */
  --paper:      #FFFFFF;   /* fondo pagina */
  --logo-fore:  #ABABAB;   /* solo elementi non testuali */
  --logo-back:  #DBDBDB;   /* solo logo, uguale a --rule */
  --mist:       #F4F4F4;   /* fondi di sezione, scheda impresa */
  --rule:       #DBDBDB;   /* filetti di separazione */
  --ink:        #1C1C1C;   /* testo principale, 16.9:1 su bianco */
  --graphite:   #6E6E6E;   /* testo secondario, 5.0:1 su bianco */

  /* Font stack */
  --font-display: 'Bodoni Moda', 'Times New Roman', Times, serif;
  --font-text:    'Instrument Sans', system-ui, -apple-system, 'Segoe UI',
                  Roboto, Helvetica, Arial, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo,
                  Consolas, 'Liberation Mono', monospace;

  /* Scala tipografica — clamp() con passi espliciti (spec §3).
     Bodoni Moda mai sotto 28px: le sottili si spezzano. */
  --fs-hero:    clamp(2.5rem, 3vw + 1.75rem, 4.5rem);   /* 40 → 72 */
  --fs-h2:      clamp(1.75rem, 1.2vw + 1.4rem, 2.5rem); /* 28 → 40 */
  --fs-h3:      clamp(1.25rem, 0.5vw + 1.1rem, 1.5rem); /* 20 → 24 */
  --fs-body:    clamp(1.0625rem, 0.2vw + 1rem, 1.125rem); /* 17 → 18 */
  --fs-eyebrow: 0.75rem;   /* 12px fisso */
  --fs-small:   0.875rem;  /* 14px legal / footer */

  /* Ritmo verticale */
  --leading-tight: 1.15;
  --leading-body:  1.55;

  /* Layout */
  --measure:      68ch;    /* misura di riga 62–70 caratteri (spec §3) */
  --container:    68rem;   /* max-width pagina */
  --gutter:       clamp(1.25rem, 2vw + 0.5rem, 2.5rem);
  --section-gap:  clamp(3rem, 4vw + 1rem, 5.5rem);

  /* Motion */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur:  520ms;
}

/* ------------------------------------------------------------
   2. Reset minimale
   ------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 6rem;
}

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, dl, dt, dd,
figure, blockquote {
  margin: 0;
}

ul, ol {
  padding: 0;
  list-style: none;
}

img, svg, picture, video {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

/* ------------------------------------------------------------
   3. Base — corpo pagina
   ------------------------------------------------------------ */
html {
  background: var(--paper);
  color: var(--ink);
}

body {
  font-family: var(--font-text);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: var(--leading-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

p {
  max-width: var(--measure);
}

/* Bodoni Moda per i display; tracking negativo sui corpi grandi. */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--leading-tight);
  color: var(--ink);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--fs-hero); font-weight: 400; }
h2 { font-size: var(--fs-h2);   font-weight: 500; }
h3 { font-size: var(--fs-h3);   font-weight: 500; letter-spacing: -0.01em; }

/* ------------------------------------------------------------
   4. Link — nessun colore accento, gerarchia da peso + underline
   ------------------------------------------------------------ */
a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: text-decoration-color 180ms var(--ease),
              color 180ms var(--ease);
}

a:hover {
  text-decoration-color: var(--ink);
}

a:visited {
  color: var(--ink);
}

/* Link esterni con freccia — la freccia è tipografica, non icona SVG. */
a[href^="http"]:not([href*="egglab"])::after {
  content: " →";
  color: var(--graphite);
}

/* ------------------------------------------------------------
   5. Focus visibile — 2px --ink, offset 2px (spec §4 quality floor)
   ------------------------------------------------------------ */
:where(a, button, [tabindex]):focus {
  outline: none;
}

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Skip link — nascosto finché non riceve il focus */
.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 180ms var(--ease);
  z-index: 100;
}

.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--paper);
  outline-offset: -4px;
}

/* ------------------------------------------------------------
   6. Layout — container e sezioni
   Filetto continuo su tutte le sezioni: fa leggere la pagina come
   un documento unico (spec §3 Layout).
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

main {
  display: block;
}

.section {
  border-top: 1px solid var(--rule);
  padding-block: var(--section-gap);
}

.section--mist {
  background: var(--mist);
}

/* Griglia a due colonne asimmetriche: eyebrow stretto + contenuto largo.
   Mobile: colonna singola, eyebrow sopra. */
.section__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .section__grid {
    grid-template-columns: minmax(9rem, 12rem) minmax(0, 1fr);
    gap: clamp(2rem, 3vw + 1rem, 4rem);
  }
}

/* Eyebrow — Bodoni Moda maiuscole spaziate, cita "LAB S.R.L." del logo.
   Nota: lo spec §3 ha una minima incoerenza (Layout dice "monospace",
   Tipografia dice "Bodoni Moda maiuscole 12px tracking +0.18em, --graphite,
   citazione diretta del LAB S.R.L. del logo"). Seguo Tipografia. */
.eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--graphite);
  margin: 0;
  padding-top: 0.35rem; /* allinea al baseline del titolo di sezione */
}

.section__content > * + * {
  margin-top: clamp(2rem, 3vw + 0.75rem, 2.75rem);
}

.section__content article > * + * {
  margin-top: 0.75rem;
}

.section__content article > h3 + p {
  margin-top: 0.4rem;
}

/* ------------------------------------------------------------
   7. Header sticky con hairline in basso (spec §2)
   ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in oklab, var(--paper) 92%, transparent);
  backdrop-filter: saturate(140%) blur(6px);
  -webkit-backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 80px;
  padding-block: 1rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  height: 48px; /* spec §3 diceva 32–36 come minimo; alzato a 48 perche' i grigi chiari del logo sparivano */
  text-decoration: none;
}

.wordmark img,
.wordmark svg {
  height: 100%;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  font-family: var(--font-text);
  font-size: 0.9375rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--graphite);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.lang-switch {
  display: inline-flex;
  gap: 0.25rem;
  font-size: 0.8125rem;
  color: var(--graphite);
  padding-left: clamp(0.5rem, 1.5vw, 1rem);
  border-left: 1px solid var(--rule);
  margin-left: clamp(0.25rem, 1vw, 0.75rem);
}

.lang-switch a {
  text-decoration: none;
  color: var(--graphite);
}

.lang-switch a[aria-current="true"] {
  color: var(--ink);
  font-weight: 500;
}

/* ------------------------------------------------------------
   8. Hero — solo tipografia, nessuna immagine (spec §2.1)
   ------------------------------------------------------------ */
.hero {
  border-top: 0; /* la prima sezione non ha filetto sopra */
  padding-block: clamp(4rem, 8vw + 1rem, 8rem);
}

.hero__title {
  font-size: var(--fs-hero);
  font-weight: 400;
  letter-spacing: -0.03em;
}

.hero__claim {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 1.5vw + 1rem, 2rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  max-width: 32ch;
  margin-top: 1.5rem;
}

.hero__meta {
  color: var(--graphite);
  margin-top: 1.5rem;
  max-width: 52ch;
}

/* ------------------------------------------------------------
   9. Scheda impresa — l'elemento firma (spec §2.5)
   Composizione da vera scheda di registro: <dl> con etichetta/valore.
   ------------------------------------------------------------ */
.scheda {
  background: var(--mist);
}

.scheda__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.scheda__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.25rem 1.5rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--rule);
}

@media (min-width: 640px) {
  .scheda__row {
    grid-template-columns: minmax(0, 14rem) minmax(0, 1fr);
    align-items: baseline;
  }
}

.scheda__row dt {
  font-family: var(--font-text);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--graphite);
}

.scheda__row dd {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  margin: 0;
}

/* ------------------------------------------------------------
   9-bis. Prodotto — inZona (spec §2.3)
   ------------------------------------------------------------ */
.prodotto__stato {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--graphite);
  letter-spacing: 0.02em;
  margin-top: 0.5rem !important; /* override della regola generica */
}

.prodotto__link {
  margin-top: 1rem !important;
}

.prodotto__link a {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.15rem;
  transition: border-color 180ms var(--ease);
}

.prodotto__link a:hover {
  border-color: var(--ink);
}

.prodotto__shot {
  margin-top: 2rem;
  padding: 1rem;
  background: var(--mist);
  border: 1px solid var(--rule);
}

.prodotto__shot img {
  width: 100%;
  height: auto;
}

/* ------------------------------------------------------------
   9-ter. Persona — team (spec §2.4)
   ------------------------------------------------------------ */
.persona__ruolo {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--graphite);
  letter-spacing: 0.02em;
  margin-top: 0.35rem !important;
}

.persona__link {
  margin-top: 1rem !important;
}

/* ------------------------------------------------------------
   9-quater. Contatti (spec §2.6)
   ------------------------------------------------------------ */
.contatti {
  display: grid;
  gap: 1rem;
}

.contatti__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
  padding-block: 0.5rem;
  border-bottom: 1px solid var(--rule);
}

@media (min-width: 640px) {
  .contatti__row {
    grid-template-columns: minmax(0, 8rem) minmax(0, 1fr);
    align-items: baseline;
  }
}

.contatti__label {
  font-family: var(--font-text);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--graphite);
}

.contatti__row a {
  font-family: var(--font-mono);
  font-size: 1rem;
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.1rem;
  transition: border-color 180ms var(--ease);
}

.contatti__row a:hover {
  border-color: var(--ink);
}

/* ------------------------------------------------------------
   9-quinquies. Pagine legali — privacy.html, cookie.html (spec §5)
   Layout single-column, prose leggibile, override liste bullet.
   ------------------------------------------------------------ */
.legal {
  padding-block: clamp(3rem, 5vw + 1rem, 5.5rem);
}

.legal__title {
  font-size: var(--fs-h2);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.legal__updated {
  color: var(--graphite);
  font-size: var(--fs-small);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  margin-bottom: clamp(2rem, 4vw + 0.5rem, 3rem);
  max-width: none;
}

.legal__body {
  max-width: 68ch;
}

.legal__body section + section {
  margin-top: clamp(2rem, 3vw + 0.5rem, 2.75rem);
}

.legal__body section h2 {
  font-size: var(--fs-h3);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.legal__body section h3 {
  font-size: 1.0625rem;
  font-family: var(--font-text);
  font-weight: 600;
  letter-spacing: 0;
  color: var(--ink);
  margin-top: 1.25rem;
  margin-bottom: 0.35rem;
}

.legal__body p + p,
.legal__body p + ul,
.legal__body p + ol,
.legal__body ul + p,
.legal__body ol + p,
.legal__body p + dl,
.legal__body dl + p {
  margin-top: 0.85rem;
}

/* Override del reset globale: nelle pagine legali servono bullet. */
.legal__body ul,
.legal__body ol {
  padding-left: 1.5rem;
  max-width: 68ch;
}

.legal__body ul { list-style: disc; }
.legal__body ol { list-style: decimal; }

.legal__body li + li {
  margin-top: 0.35rem;
}

.legal__body strong {
  font-weight: 600;
}

.legal__body dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem 1rem;
}

@media (min-width: 560px) {
  .legal__body dl {
    grid-template-columns: minmax(0, 12rem) minmax(0, 1fr);
  }
}

.legal__body dt {
  font-family: var(--font-text);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--graphite);
  padding-top: 0.15rem;
}

.legal__body dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
}

.legal__back {
  margin-top: clamp(3rem, 5vw + 1rem, 4.5rem);
  font-size: var(--fs-small);
}

.legal__back a {
  text-decoration: none;
  color: var(--graphite);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.15rem;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.legal__back a:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* ------------------------------------------------------------
   10. Footer legale (spec §2.7)
   ------------------------------------------------------------ */
.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: 2.5rem;
  font-size: var(--fs-small);
  color: var(--graphite);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  align-items: baseline;
}

.site-footer nav {
  display: flex;
  gap: 1.25rem;
}

.site-footer__legal {
  max-width: none; /* override del max-width dei <p> */
  line-height: 1.6;
}

.site-footer a {
  color: var(--graphite);
  text-decoration-color: transparent;
}

.site-footer a:hover {
  color: var(--ink);
  text-decoration-color: var(--rule);
}

/* ------------------------------------------------------------
   11. Motion — solo comparsa sezioni (spec §3 Motion)
   Fade + traslazione 8px, stagger 60ms su elementi consecutivi.
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity var(--dur) var(--ease),
                transform var(--dur) var(--ease);
  }

  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }

  .reveal:nth-child(2) { transition-delay: 60ms; }
  .reveal:nth-child(3) { transition-delay: 120ms; }
  .reveal:nth-child(4) { transition-delay: 180ms; }
  .reveal:nth-child(5) { transition-delay: 240ms; }
  .reveal:nth-child(6) { transition-delay: 300ms; }
}

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

/* ------------------------------------------------------------
   12. Selezione testo — sobria, coerente col resto
   ------------------------------------------------------------ */
::selection {
  background: var(--ink);
  color: var(--paper);
}