/* lucaluperto.it — gallery surface, case-study substance */
:root {
  color-scheme: light;
  --bg: #f7f6f2;
  --surface: #fffefb;
  --fg: #111110;
  --dim: #6b665e;
  --line: #e2ded4;
  --accent: #e4432a;
  --bar: #e4432a;
  --bar-mute: #cfcabe;
  --tile-ink: #ffffff;
  --todo-bg: #fff3d4;
  --todo-ink: #7a5200;
  --todo-rule: #e0a92b;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0f0f0e;
    --surface: #181817;
    --fg: #f4f1ea;
    --dim: #9a958c;
    --line: #272624;
    --accent: #ff6a4d;
    --bar: #ff6a4d;
    --bar-mute: #423f3a;
    --todo-bg: #34280f;
    --todo-ink: #f0cd82;
    --todo-rule: #a97c18;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f0f0e; --surface: #181817; --fg: #f4f1ea; --dim: #9a958c; --line: #272624;
  --accent: #ff6a4d; --bar: #ff6a4d; --bar-mute: #423f3a;
  --todo-bg: #34280f; --todo-ink: #f0cd82; --todo-rule: #a97c18;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.55 "Inter", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 3px; }
.w { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.col { max-width: 760px; }

/* header / footer */
header.site { }
header.site .w { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 22px 0; font-size: 14px; }
header.site a.name { color: var(--fg); text-decoration: none; font-weight: 700; letter-spacing: -0.01em; }
header.site nav { color: var(--dim); }
header.site nav a { color: var(--dim); text-decoration: none; margin-left: 18px; }
header.site nav a:hover, header.site nav a[aria-current] { color: var(--fg); }

footer.site { border-top: 1px solid var(--line); margin-top: 56px; }
footer.site .w { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; padding: 22px 0 56px; font-size: 14px; color: var(--dim); }
footer.site a { color: var(--fg); }

/* type */
h1, h2, h3, .display {
  font-family: "Archivo", "Inter", system-ui, sans-serif;
  font-weight: 700; letter-spacing: -0.035em; line-height: 1.02;
}
h1 { font-size: clamp(32px, 3.4vw, 44px); margin: 0; max-width: 20ch; }
h2 { font-size: clamp(22px, 2.1vw, 27px); letter-spacing: -0.03em; margin: 52px 0 12px; }
h3 { font-size: 20px; letter-spacing: -0.02em; margin: 30px 0 8px; }
h4 { font-family: "Inter", sans-serif; font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
     color: var(--dim); font-weight: 600; margin: 30px 0 10px; }
p { margin: 0 0 16px; }
.lede { font-size: 19px; color: var(--dim); max-width: 36em; }
.eyebrow { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); margin: 34px 0 14px; }
.muted { color: var(--dim); font-size: 15px; }
em { font-style: italic; }

/* hero */
.hero { padding: 30px 0 26px; }
.hero .lede { margin-top: 16px; font-size: 18px; }
.avail { display: inline-block; margin-top: 20px; font-size: 12px; letter-spacing: .07em; text-transform: uppercase;
  border: 1px solid var(--line); border-radius: 100px; padding: 7px 14px; color: var(--dim); }

/* gallery */
.gal { display: grid; grid-template-columns: repeat(12, 1fr); gap: 12px; margin: 10px 0 8px; }
.tile { position: relative; display: block; overflow: hidden; border-radius: 3px; text-decoration: none;
  color: var(--tile-ink); background: #1a1a19; min-height: 200px; }
.tile.big { grid-column: span 7; min-height: 280px; }
.tile.small { grid-column: span 5; min-height: 280px; }
.tile.third { grid-column: span 4; min-height: 175px; }
.tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.tile .num-tile { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: "Archivo", sans-serif; font-weight: 700; font-size: clamp(34px, 4vw, 52px); letter-spacing: -0.04em; }
.tile.t-a { background: linear-gradient(140deg, #2b2a3d, #6a4a3c 70%, #b06a45); }
.tile.t-b { background: linear-gradient(150deg, #1f2f38, #47606b 70%, #9d8f74); }
.tile .lab { position: absolute; left: 0; right: 0; bottom: 0; padding: 14px 16px; display: flex;
  justify-content: space-between; align-items: flex-end; gap: 10px;
  background: linear-gradient(to top, rgba(0,0,0,.78), rgba(0,0,0,0)); }
.tile .lab b { font-size: 15px; font-weight: 700; }
.tile .lab span { font-size: 13px; opacity: .85; }
.tile:hover img { transform: scale(1.02); transition: transform .3s; }

/* numbers row */
.num-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; border-top: 1px solid var(--line);
  margin-top: 40px; padding: 26px 0; }
.num b { display: block; font-family: "Archivo", sans-serif; font-weight: 700;
  font-size: clamp(26px, 2.4vw, 32px); letter-spacing: -0.035em; line-height: 1; }
.num span { display: block; font-size: 13px; color: var(--dim); margin-top: 8px; max-width: 24em; }

/* section head */
.sec-h { display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  border-top: 1px solid var(--line); padding-top: 14px; }
.sec-h h2 { font-family: "Inter", sans-serif; font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--dim); margin: 0; font-weight: 600; }
.sec-h span { font-size: 13px; color: var(--dim); }

/* case rows (home) */
.case { display: grid; grid-template-columns: minmax(0,1fr) 210px; gap: 32px; padding: 26px 0;
  border-bottom: 1px solid var(--line); text-decoration: none; color: inherit; }
.case h3 { font-size: clamp(24px, 2.4vw, 30px); text-transform: uppercase; letter-spacing: -0.01em;
  line-height: 1.05; margin: 0 0 10px; }
.case:hover h3 { color: var(--accent); }
.case p { margin: 0; color: var(--dim); max-width: 42em; }
.case .kpi { text-align: right; }
.case .kpi b { display: block; font-family: "Archivo", sans-serif; font-size: 22px; letter-spacing: -0.03em; }
.case .kpi span { font-size: 13px; color: var(--dim); }

/* brands */
.brands { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 24px 0 0; font-size: 15px; color: var(--dim); }
.brands b { color: var(--fg); font-weight: 500; }

/* article */
article { padding-bottom: 8px; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 14px; color: var(--dim); margin: 14px 0 18px; }
.meta b { color: var(--fg); font-weight: 500; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 24px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 22px 0; margin: 30px 0; }
.stat b { display: block; font-family: "Archivo", sans-serif; font-size: 26px; letter-spacing: -0.04em; line-height: 1; }
.stat span { display: block; font-size: 13px; color: var(--dim); margin-top: 8px; }
ul.clean { padding-left: 18px; }
ul.clean li { margin-bottom: 10px; }
ul.cols { columns: 2; column-gap: 32px; }
ul.cols li { break-inside: avoid; }
ul.cols .muted { display: block; font-size: 13px; }
.insight { border-left: 2px solid var(--accent); padding: 4px 0 4px 20px; margin: 26px 0; font-size: 18px; }
.insight p:last-child { margin: 0; }
.todo { background: var(--todo-bg); color: var(--todo-ink); border: 1px dashed var(--todo-rule);
  border-radius: 6px; padding: 12px 16px; margin: 16px 0; font-size: 15px; }
.todo::before { content: "DA COMPLETARE · "; font-weight: 700; font-size: 12px; letter-spacing: .06em; }
span.todo { display: inline; padding: 1px 6px; margin: 0; }
span.todo::before { content: ""; }

/* figures & charts */
figure { margin: 30px 0; padding: 0; }
figcaption { font-family: "Archivo", sans-serif; font-size: 16px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 3px; }
figure .sub { font-size: 14px; color: var(--dim); margin-bottom: 14px; }
svg.chart { width: 100%; height: auto; display: block; overflow: visible; }
svg.chart text { fill: var(--dim); font: 12px "Inter", system-ui, sans-serif; }
svg.chart text.val { fill: var(--fg); font-weight: 600; }
svg.chart .grid { stroke: var(--line); stroke-width: 1; }
svg.chart .bar { fill: var(--bar); }
svg.chart .bar.mute { fill: var(--bar-mute); }
svg.chart .bar:hover { opacity: .82; }
details { margin-top: 12px; font-size: 14px; }
details summary { cursor: pointer; color: var(--dim); }
table { border-collapse: collapse; width: 100%; font-size: 14px; margin-top: 8px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; }
.table-scroll { overflow-x: auto; }

/* reels + works */
.reels { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); gap: 10px; margin-bottom: 26px; }
.reel { display: block; text-decoration: none; color: var(--fg); border: 1px solid var(--line);
  border-radius: 3px; padding: 14px; background: var(--surface); }
.reel:hover { border-color: var(--accent); }
.reel .rank { font-family: "Archivo", sans-serif; font-size: 12px; font-weight: 700; color: var(--accent); letter-spacing: .04em; }
.reel b { display: block; margin-top: 4px; line-height: 1.25; }
.reel .muted { display: block; font-size: 13px; }
.reel-n { display: block; margin-top: 8px; font-family: "Archivo", sans-serif; font-size: 18px; letter-spacing: -0.02em; }
.works { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 12px; margin: 22px 0; }
.work { display: block; text-decoration: none; color: var(--fg); border-radius: 3px; overflow: hidden; background: var(--surface); border: 1px solid var(--line); }
.work:hover { border-color: var(--accent); }
.work img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; background: var(--line); }
.work-t { padding: 14px 16px; }
.work-t b { display: block; font-family: "Archivo", sans-serif; letter-spacing: -0.01em; }
.work-t span { display: block; font-size: 14px; color: var(--dim); }
.work-t .muted { font-size: 13px; margin-bottom: 6px; }

.next { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line);
  margin-top: 56px; padding: 22px 0 8px; font-size: 15px; }

.tip { position: fixed; pointer-events: none; background: var(--fg); color: var(--bg);
  font-size: 13px; padding: 6px 10px; border-radius: 4px; opacity: 0; transition: opacity .1s; z-index: 10; max-width: 260px; }

@media (max-width: 760px) {
  .gal { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .tile.big, .tile.small { grid-column: span 2; min-height: 230px; }
  .tile.third { grid-column: span 1; min-height: 160px; }
  .tile .lab { flex-direction: column; align-items: flex-start; gap: 2px; }
  .num-row { grid-template-columns: 1fr; gap: 18px; }
  .case { grid-template-columns: 1fr; gap: 10px; padding: 24px 0; }
  .case .kpi { text-align: left; }
  .case .kpi b { display: inline; margin-right: 8px; }
  .case .kpi span { display: inline; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  header.site nav a.hide-sm { display: none; }
  ul.cols { columns: 1; }
  svg.chart text { font-size: 22px; }
}

/* ---------- motion ---------- */
.anim-ready .rise { opacity: 0; transform: translateY(14px);
  transition: opacity .55s cubic-bezier(.2,.65,.3,1), transform .55s cubic-bezier(.2,.65,.3,1); }
.anim-ready .rise.in { opacity: 1; transform: none; }
.no-anim .rise { opacity: 1; transform: none; }

.tile img, .tile .lab { transition: transform .4s cubic-bezier(.2,.65,.3,1); }
.tile:hover img { transform: scale(1.04); }
.case { transition: background-color .25s; }
.case:hover { background: color-mix(in oklab, var(--accent) 5%, transparent); }
.case h3 { transition: color .2s, transform .35s cubic-bezier(.2,.65,.3,1); }
.case:hover h3 { transform: translateX(6px); }
.work, .reel { transition: border-color .2s, transform .3s cubic-bezier(.2,.65,.3,1); }
.work:hover, .reel:hover { transform: translateY(-3px); }
.avail { transition: border-color .3s, color .3s; }
.avail:hover { border-color: var(--accent); color: var(--fg); }

@keyframes grow-y { from { transform: scaleY(0); } to { transform: none; } }
@keyframes grow-x { from { transform: scaleX(0); } to { transform: none; } }
svg.chart path.bar.grow-y { transform-box: fill-box; transform-origin: bottom;
  animation: grow-y .6s cubic-bezier(.2,.75,.3,1) both; }
svg.chart path.bar.grow-x { transform-box: fill-box; transform-origin: left;
  animation: grow-x .6s cubic-bezier(.2,.75,.3,1) both; }

@media (prefers-reduced-motion: reduce) {
  .rise { opacity: 1 !important; transform: none !important; }
  svg.chart path.bar { animation: none !important; }
  .case:hover h3, .tile:hover img, .work:hover, .reel:hover { transform: none !important; }
}

/* about */
.about { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(0,1fr); gap: 44px; padding: 26px 0 8px; }
.about p { color: var(--dim); }
.about > div > p:first-child { color: var(--fg); }
.about-side h4 { margin-top: 0; }
.about-side h4 + ul { margin-top: 0; }
.about-side ul li { color: var(--dim); }
.about-side h4:nth-of-type(2) { margin-top: 26px; }
@media (max-width: 760px) { .about { grid-template-columns: 1fr; gap: 24px; } }

/* logo + portrait */
header.site a.name { display: inline-flex; align-items: center; gap: 9px; }
header.site .mark { width: 22px; height: 22px; flex: none; }
.portrait { width: 100%; max-width: 260px; height: auto; display: block; margin: -10px 0 18px -10px;
  -webkit-mask-image: linear-gradient(to bottom, #000 74%, transparent 99%);
  mask-image: linear-gradient(to bottom, #000 74%, transparent 99%); }
@media (max-width: 760px) { .portrait { max-width: 190px; margin-left: 0; } }