/* Portfolio Riccardo Balletto, home e menu laterale.
   Un solo tema (scuro), spigoli vivi ovunque, Inter Light come unico peso. */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("inter-light.woff2") format("woff2");
}

:root {
  --carbon: #222725;
  --snow: #fffbfe;
  --lemon: #fff133;
  --veil: rgb(0 0 0 / 0.45);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --m: 32px;
  --tile: 48px;
  --menu-w: 440px;
  --item: clamp(36px, 3.2vw, 44px);
  color-scheme: dark;
}

@media (max-width: 767px) {
  :root {
    --m: 20px;
    --tile: 44px;
    --item: 36px;
  }
}

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

html {
  background: var(--carbon);
  color: var(--snow);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font: 300 14px/1.4 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--lemon);
  color: var(--carbon);
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--snow);
  outline-offset: 3px;
}

/* ---------- foto a tutto schermo ---------- */

.hero {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: #000;
}

/* quattro foto, una per progetto, che si alternano ogni 3 secondi con dissolvenza di 0,6 s.
   Ogni foto ingrandisce piano mentre e' in vista. Solo CSS, nessuno script. */
.hero picture {
  position: absolute;
  inset: 0;
  display: block;
  opacity: 0;
  transform-origin: 60% 60%;
  animation: hero-slide 12s linear infinite;
}

/* velo scuro in alto: nome, logo e lingua restano leggibili anche sulle foto chiare (Flash, Mico) */
.hero::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 200px;
  background: linear-gradient(rgb(0 0 0 / 0.62), rgb(0 0 0 / 0.3) 55%, rgb(0 0 0 / 0));
  pointer-events: none;
}

.hero picture:nth-child(2) { animation-delay: 3s; }
.hero picture:nth-child(3) { animation-delay: 6s; }
.hero picture:nth-child(4) { animation-delay: 9s; }

.hero img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% 50%;
}

.hero picture:nth-child(3) img {
  object-position: 40% 50%;
}

.hero picture:nth-child(4) img {
  object-position: 55% 40%;
}

@media (max-width: 767px) {
  .hero picture:nth-child(3) img { object-position: 50% 50%; }
  .hero picture:nth-child(4) img { object-position: 42% 50%; }
}

@keyframes hero-slide {
  0%      { opacity: 0; transform: scale(1); }
  5%      { opacity: 1; }
  25%     { opacity: 1; }
  30%     { opacity: 0; transform: scale(1.05); }
  100%    { opacity: 0; transform: scale(1.05); }
}

/* ---------- barra in alto: logo-menu, nome, lingua ---------- */

.top {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: var(--m);
  padding-top: max(var(--m), env(safe-area-inset-top));
}

.logo {
  position: relative;
  display: block;
  flex: none;
  width: var(--tile);
  height: var(--tile);
  padding: 0;
  border: 0;
  background: none;
  overflow: hidden;
  cursor: pointer;
  transition: transform 160ms var(--ease);
}

.logo img {
  display: block;
  width: 100%;
  height: 100%;
  transition: transform 420ms var(--ease), opacity 220ms var(--ease);
}

.logo:active {
  transform: scale(0.96);
}

/* le tre linee del menu: compaiono al posto del logo, che ruota via */
.bars {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 5px;
  opacity: 0;
  transform: rotate(-90deg);
  transition: transform 420ms var(--ease), opacity 220ms var(--ease);
}

.bars i {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--lemon);
  transition: transform 420ms var(--ease), opacity 220ms var(--ease);
}

@media (hover: hover) {
  .logo:hover img,
  .logo:focus-visible img {
    transform: rotate(90deg);
    opacity: 0;
  }

  .logo:hover .bars,
  .logo:focus-visible .bars {
    opacity: 1;
    transform: none;
  }

}

/* sul telefono non c'e' il passaggio del mouse: il logo mostra le tre linee una volta sola,
   dopo 2,5 s, per dire che e' il bottone del menu */
@media (hover: none) {
  .logo img {
    animation: logo-hint 3.2s var(--ease) 2.5s 1 both;
  }

  .bars {
    animation: bars-hint 3.2s var(--ease) 2.5s 1 both;
  }

  .is-open .logo img,
  .is-open .bars {
    animation: none;
  }
}

@keyframes logo-hint {
  0%, 100% { transform: none; opacity: 1; }
  25%, 70% { transform: rotate(90deg); opacity: 0; }
}

@keyframes bars-hint {
  0%, 100% { transform: rotate(-90deg); opacity: 0; }
  25%, 70% { transform: none; opacity: 1; }
}

/* a menu aperto il logo lascia il posto a una croce: dice che il bottone chiude */
.is-open .logo img {
  transform: rotate(90deg);
  opacity: 0;
}

.is-open .bars {
  opacity: 1;
  transform: none;
}

.is-open .bars i:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.is-open .bars i:nth-child(2) {
  opacity: 0;
}

.is-open .bars i:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.name {
  position: relative;
  display: block;
  font-size: 14px;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: color 160ms var(--ease);
}

/* il mestiere compare sotto il nome solo al passaggio del mouse (o con la tastiera) */
.role {
  position: absolute;
  left: 0;
  top: 100%;
  margin-top: 4px;
  font-size: 13px;
  color: var(--snow);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 300ms var(--ease), transform 300ms var(--ease);
}

.name:hover .role,
.name:focus-visible .role {
  opacity: 0.7;
  transform: none;
}

.lang {
  margin-left: auto;
  font-size: 13px;
  white-space: nowrap;
}

/* area di tocco piu' grande del testo, senza spostare il testo */
.lang a {
  display: inline-block;
  padding: 15px 12px;
  margin: -15px -12px;
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 160ms var(--ease), color 160ms var(--ease);
}

.lang a[aria-current] {
  opacity: 1;
}

.name:hover,
.lang a:hover {
  color: var(--lemon);
  opacity: 1;
}

/* ---------- pannello laterale ---------- */

.veil {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: var(--veil);
  opacity: 0;
  visibility: hidden;
  transition: opacity 420ms var(--ease), visibility 0s linear 420ms;
}

.menu {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 20;
  width: min(var(--menu-w), 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 48px;
  padding: calc(var(--m) * 2 + var(--tile) + 24px) var(--m) calc(var(--m) + env(safe-area-inset-bottom));
  background: var(--carbon);
  overflow-y: auto;
  overscroll-behavior: contain;
  transform: translateX(-100%);
  visibility: hidden;
  transition: transform 420ms var(--ease), visibility 0s linear 420ms;
}

.is-open .veil {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.is-open .menu {
  transform: none;
  visibility: visible;
  transition-delay: 0s;
}

.menu ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu li + li {
  border-top: 1px solid rgb(255 251 254 / 0.16);
}

.menu li a {
  display: block;
  padding: 28px 0;
  font-size: var(--item);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: color 160ms var(--ease), transform 300ms var(--ease);
}

.menu li a:hover,
.menu li a[aria-current] {
  color: var(--lemon);
}

.menu li a:hover {
  transform: translateX(6px);
}

.menu li {
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity 300ms var(--ease), transform 420ms var(--ease);
}

.is-open .menu li {
  opacity: 1;
  transform: none;
  transition-delay: calc(120ms + var(--i) * 40ms);
}

.menu-foot {
  font-size: 13px;
}

.menu-foot a {
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.menu-foot a:hover {
  color: var(--lemon);
}

/* ---------- pagine segnaposto (progetti, chi sono, contatti) ---------- */

/* pagine interne: barra piena in alto, contenuto sotto */

.page .top {
  padding-block: 16px;
  padding-top: max(16px, env(safe-area-inset-top));
  background: var(--carbon);
}

.page main {
  max-width: 1600px;
  margin: 0 auto;
  padding: calc(var(--tile) + 32px + var(--m)) var(--m) calc(var(--m) * 2);
}

.page h1 {
  margin: 0 0 clamp(32px, 5vw, 64px);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page p {
  margin: 0;
}

/* ---------- Progetti ---------- */

.projects {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--m);
}

.project {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.project figure {
  position: relative;
  flex: 1;
  margin: 0;
  overflow: hidden;
  background: #000;
}

.project figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 900ms var(--ease);
}

.project h2 {
  margin: 14px 0 0;
  font-size: 24px;
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
  transition: color 160ms var(--ease);
}

.project:hover h2,
.project:focus-visible h2 {
  color: var(--lemon);
}

.project:hover figure img {
  transform: scale(1.03);
}

.p-pinwi { grid-column: span 7; }
.p-pinwi figure { aspect-ratio: 3 / 2; flex: none; }
.p-flash { grid-column: span 5; }
.p-flash figure img { object-position: 50% 45%; }
.p-mico { grid-column: span 5; }
.p-mico figure { display: grid; place-items: center; }
.p-mico figure img {
  position: static;
  width: min(62%, 420px);
  height: auto;
  object-fit: contain;
}
.p-ripabianca { grid-column: span 7; }
.p-ripabianca figure { aspect-ratio: 3 / 2; flex: none; }
.p-ripabianca figure img { object-position: 55% 40%; }

@media (max-width: 767px) {
  .p-pinwi,
  .p-flash,
  .p-mico,
  .p-ripabianca {
    grid-column: 1 / -1;
  }

  .p-pinwi figure,
  .p-flash figure,
  .p-ripabianca figure {
    aspect-ratio: 4 / 3;
    flex: none;
  }

  .p-mico figure {
    aspect-ratio: 16 / 9;
    flex: none;
  }

  .p-mico figure img {
    width: 56%;
  }
}

/* ---------- Chi sono ---------- */

.about {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--m);
  align-items: start;
}

.about figure {
  grid-column: 1 / span 5;
  margin: 0;
}

.about figure img {
  display: block;
  width: 100%;
  height: auto;
}

.about .text {
  grid-column: 7 / span 6;
  display: grid;
  gap: 22px;
}

.about .text p {
  max-width: 62ch;
  font-size: 18px;
  line-height: 1.55;
}

.about .text a {
  justify-self: start;
  font-size: 18px;
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 1px;
  transition: color 160ms var(--ease);
}

.about .text a:hover {
  color: var(--lemon);
}

@media (max-width: 767px) {
  .about figure,
  .about .text {
    grid-column: 1 / -1;
  }

  .about .text p,
  .about .text a {
    font-size: 17px;
  }
}

.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 32px;
  margin-top: 16px;
}

.facts h2 {
  margin: 0 0 14px;
  padding-top: 14px;
  border-top: 1px solid rgb(255 251 254 / 0.16);
  font-size: 22px;
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.facts p,
.facts li {
  font-size: 16px;
  line-height: 1.5;
}

.facts p + p {
  margin-top: 14px;
}

.facts ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Software occupa tutta la riga: 2D e 3D affiancati */
.facts .wide {
  grid-column: 1 / -1;
}

.facts .pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 32px;
}

.facts .pair p + p {
  margin-top: 0;
}

@media (max-width: 559px) {
  .facts .pair {
    grid-template-columns: 1fr;
  }
}

.facts .sub {
  opacity: 0.7;
}

@media (max-width: 559px) {
  .facts {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

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

.mails {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.mail-label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  opacity: 0.7;
}

.mail {
  display: inline-block;
  max-width: 100%;
  font-size: clamp(18px, 3vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 160ms var(--ease);
}

.mail:hover {
  color: var(--lemon);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  margin: clamp(32px, 5vw, 64px) 0 0;
  padding: 0;
  list-style: none;
}

.links a {
  display: inline-block;
  padding: 10px 0;
  font-size: 24px;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.links a:hover {
  color: var(--lemon);
}

/* ---------- animazioni di entrata (solo pagine interne) ----------
   Gli elementi con data-reveal partono nascosti e vengono mostrati da site.js quando entrano
   nello schermo. --d e' il ritardo in millisecondi. Se manca JavaScript, o c'e' il movimento
   ridotto, resta tutto visibile e fermo. */

.js [data-reveal] {
  --d: 0;
  transition:
    opacity 800ms var(--ease) calc(var(--d) * 1ms),
    transform 900ms var(--ease) calc(var(--d) * 1ms),
    clip-path 1100ms var(--ease) calc(var(--d) * 1ms);
}

/* sale e compare: titoli, testi, e-mail, link */
.js [data-reveal="rise"] {
  opacity: 0;
  transform: translateY(28px);
}

.js [data-reveal="rise"].in {
  opacity: 1;
  transform: none;
}

/* ritratto: si apre da sinistra e l'immagine si assesta.
   Il ritaglio sta sull'immagine e non sul contenitore: un elemento ritagliato del tutto
   non risulta visibile all'osservatore e non partirebbe mai. */
.js [data-reveal="wipe"] {
  overflow: hidden;
}

.js [data-reveal="wipe"] img {
  clip-path: inset(0 100% 0 0);
  transform: scale(1.15);
  transition:
    clip-path 1100ms var(--ease) calc(var(--d) * 1ms),
    transform 1400ms var(--ease) calc(var(--d) * 1ms);
}

.js [data-reveal="wipe"].in img {
  clip-path: inset(0);
  transform: none;
}

/* progetti: l'immagine si scopre dall'alto, poi sale il nome */
.js .project[data-reveal] figure img {
  clip-path: inset(0 0 100% 0);
  transform: scale(1.12);
  transition:
    clip-path 1100ms var(--ease) calc(var(--d) * 1ms),
    transform 1500ms var(--ease) calc(var(--d) * 1ms);
}

.js .project[data-reveal].in figure img {
  clip-path: inset(0);
  transform: none;
}

.js .project[data-reveal].in:hover figure img {
  transform: scale(1.03);
  transition-delay: 0s;
  transition-duration: 900ms;
}

.js .project[data-reveal] h2 {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 700ms var(--ease) calc(var(--d) * 1ms + 450ms),
    transform 800ms var(--ease) calc(var(--d) * 1ms + 450ms),
    color 160ms var(--ease);
}

.js .project[data-reveal].in h2 {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal],
  .js [data-reveal] img,
  .js .project[data-reveal] figure img,
  .js .project[data-reveal] h2 {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
    transition: none !important;
  }
}

/* ---------- senza JavaScript il menu resta raggiungibile ---------- */

.no-js .logo {
  display: none;
}

.no-js .menu {
  position: static;
  width: 100%;
  transform: none;
  visibility: visible;
  padding-top: calc(var(--m) * 2 + var(--tile));
}

.no-js .menu li {
  opacity: 1;
  transform: none;
}

/* ---------- movimento ridotto ---------- */

@media (max-width: 767px) {
  /* sul telefono le foto sono ritagli piccoli: meno ingrandimento, meno morbidezza */
  @keyframes hero-slide {
    0%      { opacity: 0; transform: scale(1); }
    5%      { opacity: 1; }
    25%     { opacity: 1; }
    30%     { opacity: 0; transform: scale(1.03); }
    100%    { opacity: 0; transform: scale(1.03); }
  }
}

@media (prefers-reduced-motion: reduce) {
  /* movimento ridotto: resta ferma la prima foto */
  .hero picture {
    animation: none;
  }

  .hero picture:first-child {
    opacity: 1;
  }

  .logo img,
  .bars {
    animation: none;
  }

  .logo:hover img,
  .logo:focus-visible img {
    transform: none;
  }

  .veil,
  .menu,
  .menu li,
  .menu li a,
  .logo,
  .lang a {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }

  .menu li a:hover {
    transform: none;
  }
}