/* ==========================================================================
   andreabottazzi.it — stile
   Font: IBM Plex Sans / Mono (SIL OFL), serviti in locale
   ========================================================================== */

@font-face { font-family: "IBM Plex Sans"; font-weight: 300; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); }

/* --- Temi ---------------------------------------------------------------- */

:root,
:root[data-theme="dark"] {
  --bg: #0F1114;
  --panel: #13161A;
  --code: #0B0D10;
  --border: #2A2E35;
  --border-strong: #3A3F47;
  --text: #E6E6E3;
  --sub: #B9BCC2;
  --muted: #9A9EA6;
  --inv-bg: #E6E6E3;
  --inv-text: #0F1114;
  --accent: #8FB3A0;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #F6F6F4;
  --panel: #EDEDEA;
  --code: #FFFFFF;
  --border: #D9D9D4;
  --border-strong: #B5B5AF;
  --text: #15171B;
  --sub: #3A3D44;
  --muted: #5C6068;
  --inv-bg: #15171B;
  --inv-text: #F6F6F4;
  --accent: #485A50;
  color-scheme: light;
}

/* senza JavaScript: segue il sistema */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg: #F6F6F4; --panel: #EDEDEA; --code: #FFFFFF; --border: #D9D9D4; --border-strong: #B5B5AF;
    --text: #15171B; --sub: #3A3D44; --muted: #5C6068; --inv-bg: #15171B; --inv-text: #F6F6F4; --accent: #485A50;
    color-scheme: light;
  }
}

/* --- Base ---------------------------------------------------------------- */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 24px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color .2s ease, color .2s ease;
}

a { color: inherit; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

h1, h2, h3, p, dl, dd, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

.mono { font-family: "IBM Plex Mono", ui-monospace, Menlo, monospace; }

.wrap { max-width: 1320px; margin: 0 auto; padding: 0 32px; }
@media (max-width: 640px) { .wrap { padding: 0 20px; } }

.skip {
  position: absolute; left: 16px; top: -100px; z-index: 10;
  padding: 10px 16px; background: var(--inv-bg); color: var(--inv-text);
}
.skip:focus { top: 16px; }

.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted);
}
.dot { color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 20px;
  font-weight: 500; text-decoration: none; border: 1px solid transparent;
}
.btn--solid { background: var(--inv-bg); color: var(--inv-text); }
.btn--solid:hover { opacity: .88; }
.btn--line { border-color: var(--border-strong); }
.btn--line:hover { border-color: var(--text); }

/* --- Header -------------------------------------------------------------- */

.site-header { border-bottom: 1px solid var(--border); }
.site-header .wrap {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 12px 28px; padding-top: 16px; padding-bottom: 16px;
}
.brand { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin-right: auto; text-decoration: none; }
.brand__name { font-weight: 600; font-size: 17px; }
.brand__role { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); }

.nav { order: 2; display: flex; flex-wrap: wrap; gap: 6px 28px; font-family: "IBM Plex Mono", monospace; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
.theme-toggle { order: 3; }
@media (max-width: 760px) {
  .brand { flex: 1 1 0; min-width: 0; }
  .theme-toggle { order: 2; }
  .nav { order: 3; flex-basis: 100%; gap: 6px 22px; }
}
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
.nav .nav__lang { padding-left: 22px; border-left: 1px solid var(--border-strong); color: var(--text); }

.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; padding: 0;
  background: transparent; color: var(--text);
  border: 1px solid var(--border-strong); cursor: pointer;
}
.theme-toggle:hover { border-color: var(--text); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }
.no-js .theme-toggle { display: none; }

/* --- Sezioni ------------------------------------------------------------- */

.section { padding-top: 112px; }
.section__head {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline;
  gap: 12px 32px; margin-bottom: 28px;
}
.section__head .eyebrow { margin-bottom: 10px; }
.section__title { font-weight: 400; font-size: clamp(32px, 3.4vw, 48px); line-height: 1.1; letter-spacing: -.02em; }
.section__intro { max-width: 460px; font-size: 15px; color: var(--muted); }

.box { border: 1px solid var(--border); display: flex; flex-wrap: wrap; }
.box__main {
  flex: 999 1 540px; min-width: 0; padding: clamp(24px, 4vw, 56px);
  border-right: 1px solid var(--border); margin-right: -1px;
}
.box__side { flex: 1 1 340px; min-width: 0; }
@media (max-width: 920px) {
  .box__main { border-right: 0; margin-right: 0; border-bottom: 1px solid var(--border); }
}

/* --- Hero ---------------------------------------------------------------- */

.hero { padding-top: 56px; }
.hero .box__main { display: flex; flex-direction: column; justify-content: space-between; gap: 40px; }
.hero h1 { font-weight: 300; font-size: clamp(38px, 5vw, 72px); line-height: 1.05; letter-spacing: -.025em; }
.hero h1 strong { font-weight: 500; }
.hero__lead { max-width: 600px; font-size: 18px; line-height: 1.55; color: var(--sub); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }

.hero .box__side { flex: 1 1 420px; }
.specs { font-family: "IBM Plex Mono", monospace; font-size: 13px; }
.specs > div {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
}
.specs > div:last-child { border-bottom: 0; }
.specs dt { color: var(--muted); flex: 0 0 auto; }
.specs dd { text-align: right; }
@media (max-width: 520px) {
  .specs > div { flex-direction: column; gap: 4px; }
  .specs dd { text-align: left; }
  .specs dd br { display: none; }
}

/* --- Lavori: in evidenza ------------------------------------------------- */

.feature .box__main p + p { margin-top: 14px; }
.feature__label { margin-bottom: 18px; font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--accent); }
.feature h3 { font-weight: 500; font-size: clamp(28px, 2.8vw, 40px); line-height: 1.1; letter-spacing: -.02em; margin-bottom: 18px; }
.feature .box__main p { font-size: 16px; color: var(--sub); }
.feature__list { margin-top: 24px; display: grid; gap: 8px; font-family: "IBM Plex Mono", monospace; font-size: 13px; color: var(--sub); }
.feature__list li::before { content: "— "; color: var(--muted); }
.feature__tags { margin-top: 24px; font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); }

.feature .box__main { flex: 1 1 520px; }
.feature .box__side { flex: 1 1 460px; background: var(--panel); padding: clamp(24px, 3.5vw, 48px); display: flex; flex-direction: column; justify-content: center; gap: 20px; }
.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.flow__step { padding: 10px 12px; border: 1px solid var(--border-strong); }
.flow__step--out { border-color: var(--accent); color: var(--accent); }
.flow__sep { color: var(--muted); }

.code {
  margin: 0; padding: 20px; background: var(--code); border: 1px solid var(--border);
  font-family: "IBM Plex Mono", monospace; font-size: 13px; line-height: 1.75; color: var(--sub);
  white-space: pre; overflow-x: auto;
}
.code .c { color: var(--muted); }
.code .k { color: var(--muted); }
.code .v { color: var(--accent); }

/* --- Lavori: filtri ed elenco -------------------------------------------- */

.filters { display: none; flex-wrap: wrap; gap: 8px; margin-top: 40px; }
.js .filters { display: flex; }
.filters button {
  display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 14px;
  background: transparent; color: var(--sub); border: 1px solid var(--border-strong);
  font-family: "IBM Plex Mono", monospace; font-size: 12px; text-transform: uppercase; letter-spacing: .06em;
  cursor: pointer;
}
.filters button:hover { border-color: var(--text); color: var(--text); }
.filters button[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.filters .count { opacity: .7; }

.works { margin-top: 16px; border-top: 1px solid var(--border-strong); }
.works__head, .work {
  display: grid; grid-template-columns: 56px minmax(0, 1fr) 150px 230px; gap: 8px 24px;
  border-bottom: 1px solid var(--border);
}
.works__head {
  padding: 12px 0; font-family: "IBM Plex Mono", monospace; font-size: 12px;
  text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
}
.work { padding: 22px 0; }
.work[hidden] { display: none; }
.work__id { font-family: "IBM Plex Mono", monospace; font-size: 13px; color: var(--muted); }
.work__title { font-size: 19px; font-weight: 500; letter-spacing: -.01em; }
.work__desc { margin-top: 6px; font-size: 15px; color: var(--sub); max-width: 680px; }
.work__type { font-family: "IBM Plex Mono", monospace; font-size: 13px; color: var(--accent); }
.work__meta { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }
.work__meta a { color: var(--text); }

@media (max-width: 860px) {
  .works__head { display: none; }
  .work { grid-template-columns: 48px minmax(0, 1fr); }
  .work__type, .work__meta { grid-column: 2; }
  .work__meta { flex-direction: row; flex-wrap: wrap; gap: 6px 16px; }
}

.works-status { margin-top: 12px; font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); }

.note {
  margin-top: 32px; padding: 22px 24px; border: 1px solid var(--border);
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px 32px;
}
.note p { font-size: 15px; color: var(--sub); max-width: 760px; }
.note strong { color: var(--text); font-weight: 500; }

/* --- Servizi ------------------------------------------------------------- */

.services {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr));
  border-top: 1px solid var(--border); border-left: 1px solid var(--border);
}
.service { padding: 28px 24px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.service__code { margin-bottom: 14px; font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); }
.service h3 { font-weight: 500; font-size: 20px; margin-bottom: 8px; }
.service p { font-size: 15px; color: var(--muted); }

/* --- Profilo ------------------------------------------------------------- */

.profile { display: flex; flex-wrap: wrap; gap: 32px 64px; padding-top: 32px; border-top: 1px solid var(--border); }
.profile__quote { flex: 3 1 440px; min-width: 0; font-weight: 300; font-size: clamp(24px, 2.4vw, 32px); line-height: 1.3; letter-spacing: -.015em; }
.profile__text { flex: 2 1 380px; min-width: 0; display: flex; flex-direction: column; gap: 16px; font-size: 16px; color: var(--sub); }

/* --- Contatti ------------------------------------------------------------ */

.contact h2 { font-weight: 300; font-size: clamp(34px, 4.4vw, 60px); line-height: 1.05; letter-spacing: -.025em; margin-top: 24px; }
.contact h2 strong { font-weight: 500; }
.contact__lead { margin-top: 24px; font-size: 16px; color: var(--muted); }
.contact .btn { margin-top: 32px; }
.contact-list { font-family: "IBM Plex Mono", monospace; font-size: 13px; }
.contact-list > div { padding: 18px 24px; border-bottom: 1px solid var(--border); }
.contact-list > div:last-child { border-bottom: 0; }
.contact-list dt { color: var(--muted); }
.contact-list dd { margin-top: 4px; overflow-wrap: anywhere; }

/* --- Footer -------------------------------------------------------------- */

.site-footer { margin-top: 96px; }
.site-footer .wrap {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px;
  padding-top: 20px; padding-bottom: 32px; border-top: 1px solid var(--border);
  font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted);
}
.site-footer .wrap { border-top: 0; position: relative; }
.site-footer .wrap::before { content: ""; position: absolute; top: 0; left: 32px; right: 32px; border-top: 1px solid var(--border); }
@media (max-width: 640px) { .site-footer .wrap::before { left: 20px; right: 20px; } }

/* --- Pagina privacy ------------------------------------------------------ */

.legal { padding-top: 56px; }
.legal__head { padding-bottom: 32px; border-bottom: 1px solid var(--border); }
.legal__head h1 { margin-top: 16px; font-weight: 300; font-size: clamp(36px, 4.4vw, 60px); line-height: 1.05; letter-spacing: -.025em; }
.legal__head p { margin-top: 16px; font-size: 15px; color: var(--muted); }

.legal__body { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 40px 64px; padding-top: 40px; }
.toc { flex: 1 1 240px; min-width: 0; position: sticky; top: 24px; font-family: "IBM Plex Mono", monospace; font-size: 13px; }
.toc p { margin-bottom: 12px; }
.toc ol { border-top: 1px solid var(--border); }
.toc li { border-bottom: 1px solid var(--border); }
.toc a { display: block; padding: 10px 0; color: var(--sub); text-decoration: none; }
.toc a:hover { color: var(--text); }
@media (max-width: 860px) { .toc { position: static; } }

.legal__content { flex: 3 1 560px; min-width: 0; max-width: 760px; }
.legal__content section + section { margin-top: 48px; }
.legal__content h2 { display: flex; gap: 14px; align-items: baseline; font-weight: 500; font-size: 22px; letter-spacing: -.01em; margin-bottom: 14px; }
.legal__content h2 .num { font-family: "IBM Plex Mono", monospace; font-size: 13px; font-weight: 400; color: var(--accent); }
.legal__content p, .legal__content li { font-size: 16px; color: var(--sub); }
.legal__content p + p, .legal__content p + ul, .legal__content ul + p { margin-top: 12px; }
.legal__content ul li { position: relative; padding-left: 20px; }
.legal__content ul li + li { margin-top: 6px; }
.legal__content ul li::before { content: "—"; position: absolute; left: 0; color: var(--muted); }
.legal__content strong { color: var(--text); font-weight: 500; }
.legal__content code { font-family: "IBM Plex Mono", monospace; font-size: 14px; padding: 1px 6px; background: var(--panel); border: 1px solid var(--border); }

.legal-table { margin-top: 4px; border-top: 1px solid var(--border-strong); }
.legal-table > div { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 8px 24px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.legal-table dt { color: var(--text); font-size: 16px; }
.legal-table dd { font-family: "IBM Plex Mono", monospace; font-size: 13px; color: var(--sub); }
@media (max-width: 640px) { .legal-table > div { grid-template-columns: 1fr; } }

/* --- Avviso privacy ------------------------------------------------------ */

.notice {
  position: fixed; left: 24px; bottom: 24px; z-index: 20;
  width: min(440px, calc(100% - 48px));
  padding: 22px 24px; background: var(--panel); color: var(--text);
  border: 1px solid var(--border-strong);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .18);
  animation: notice-in .25s ease-out;
}
.notice[hidden] { display: none; }
.notice p { font-size: 15px; color: var(--sub); }
.notice .eyebrow { margin-bottom: 10px; }
.notice__actions { margin-top: 18px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.notice__actions .btn { cursor: pointer; font: inherit; font-weight: 500; }
.notice__link { font-family: "IBM Plex Mono", monospace; font-size: 13px; color: var(--sub); }
.notice__link:hover { color: var(--text); }
@keyframes notice-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .notice { animation: none; } }
@media (max-width: 640px) {
  .notice { left: 12px; right: 12px; bottom: 12px; width: auto; padding: 18px 20px; }
}

/* Menu compatto su schermi stretti: voci e lingua su una riga */
@media (max-width: 420px) {
  .nav { gap: 6px 14px; font-size: 12px; letter-spacing: .04em; }
  .nav .nav__lang { padding-left: 14px; }
}

/* ==========================================================================
   Animazioni — tutte disattivate con "riduci movimento"
   ========================================================================== */

/* Frecce nei link e nei pulsanti */
.arrow { display: inline-block; }

/* Barra d'accento sulle righe dei lavori */
.work { position: relative; }
.work::before {
  content: ""; position: absolute; left: -14px; top: 22px; bottom: 22px; width: 2px;
  background: var(--accent); transform: scaleY(0); transform-origin: top;
}
.work:hover::before, .work:focus-within::before { transform: scaleY(1); }

/* Demo Auto Alt Text: passaggi che si accendono e testo che si scrive */
.flow.demo-armed .flow__step,
.flow.demo-armed .flow__sep { opacity: .3; }
.flow.demo-armed .is-on { opacity: 1; }
.caret {
  display: inline-block; width: .55em; height: 1.15em; margin-left: 1px;
  vertical-align: text-bottom; background: var(--accent);
}

@media (prefers-reduced-motion: no-preference) {
  .arrow { transition: transform .2s ease; }
  a:hover .arrow, a:focus-visible .arrow { transform: translateX(3px); }
  a:hover .arrow--ne, a:focus-visible .arrow--ne { transform: translate(2px, -2px); }

  .work::before { transition: transform .22s ease; }

  .flow__step, .flow__sep { transition: opacity .3s ease, border-color .3s ease; }
  .flow__step.is-busy { animation: step-busy 1s ease-in-out infinite; }
  .caret { animation: caret-blink 1s steps(1) infinite; }

  .theme-anim .theme-toggle svg { animation: icon-in .45s cubic-bezier(.2, .8, .2, 1); }

  /* Filtri: le righe scorrono al loro posto (View Transitions) */
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
  ::view-transition-group(*) { animation-duration: .32s; animation-timing-function: cubic-bezier(.2, .8, .2, 1); }
}

@keyframes step-busy { 50% { border-color: var(--accent); } }
@keyframes caret-blink { 50% { opacity: 0; } }
@keyframes icon-in { from { opacity: 0; transform: rotate(-90deg) scale(.6); } to { opacity: 1; transform: none; } }

/* Spazio tra testo e freccia nei pulsanti (gli elementi flex ignorano lo spazio finale) */
.btn { gap: .45em; }