/* JMDC institucional — fundador, telemetria, pilha de camadas (missão/visão/valores) e contato. */

/* ---------- quem somos ---------- */
.about__grid { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.about__copy { display: grid; gap: clamp(2rem, 5vh, 3.5rem); }
.about__copy .section__title { max-width: 20ch; }

.portrait { position: relative; margin: 0; width: 100%; max-width: 26rem; aspect-ratio: 4 / 5; }
.portrait::before { /* placa de bronze com ranhuras, deslocada atrás da foto */
  content: ""; position: absolute; inset: 6% -6% -5% 8%;
  background:
    repeating-linear-gradient(90deg, transparent 0 0.6875rem, rgba(193, 138, 85, .08) 0.6875rem 0.75rem),
    linear-gradient(160deg, var(--obsidian-2), var(--obsidian) 60%, #1a1410);
  border: 1px solid var(--line);
}
.portrait__photo {
  position: absolute; inset: 0; overflow: hidden; background: #0b0c0d;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 88% 100%, 0 100%);
}
.portrait__photo picture, .portrait__photo img { display: block; width: 100%; height: 100%; }
.portrait__photo img { object-fit: cover; object-position: 50% 14%; filter: saturate(.86) contrast(1.05); pointer-events: none; }
.portrait__photo::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(17, 16, 15, .85)), linear-gradient(90deg, rgba(17, 16, 15, .3), transparent 30%);
}
.portrait__tag {
  position: absolute; left: -1.25rem; bottom: 8%; z-index: 2;
  display: grid; gap: 0.125rem; padding: 0.875rem 1.125rem 0.875rem 1rem;
  background: rgba(17, 16, 15, .88);
  border: 1px solid var(--line-2); border-left: 2px solid var(--copper);
  font-size: 0.6875rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em;
}
.portrait__tag strong { font: 700 1.375rem/1.1 var(--f-display); font-stretch: 112%; color: var(--ivory); text-transform: none; letter-spacing: -.01em; }
.portrait__role { color: var(--copper); }
.portrait__corner { position: absolute; top: -0.875rem; right: -0.875rem; width: 1.375rem; height: 1.375rem; border: solid var(--copper); border-width: 1px 1px 0 0; }

/* telemetria (mesmo padrão do index) */
.telemetry { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--line); max-width: 40rem; }
.telemetry__item { position: relative; padding: 1.5rem 1rem 0.5rem; border-right: 1px solid var(--line); min-width: 0; }
.telemetry__item:first-child { padding-left: 0; }
.telemetry__item:last-child { border-right: 0; }
.telemetry__item::before { content: ""; position: absolute; top: -1px; left: 0; width: 1.75rem; height: 2px; background: var(--copper); }
.telemetry__item:not(:first-child)::before { left: 1rem; }
.telemetry dt { font-size: 0.6875rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); overflow-wrap: anywhere; }
.telemetry dd { margin: 0.375rem 0 0; font-size: clamp(1.875rem, 1.8vw + 0.875rem, 3rem); font-weight: 700; font-stretch: 112%; color: var(--ivory); letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }

/* ---------- pilha de camadas ---------- */
.stack { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.stack__viz { position: sticky; top: calc(var(--header-h) + 2rem); display: grid; gap: 1.25rem; justify-items: center; }
.plates { width: 100%; max-width: 26rem; height: auto; overflow: visible; }
.plates__wires path { fill: none; stroke: var(--line-2); stroke-width: 1; stroke-dasharray: 2 6; }
.plate { transition: transform .6s var(--ease); }
.plate__top { fill: rgba(33, 25, 19, .92); stroke: var(--line-2); stroke-width: 1; transition: fill .5s, stroke .5s; }
.plate__side { fill: #17120e; stroke: var(--line); stroke-width: 1; }
.plate__side--r { fill: #120e0b; }
.plate__grid { fill: none; stroke: var(--line); stroke-width: 1; transition: stroke .5s; }
.plate__label {
  font-family: var(--f-mono); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; text-anchor: middle;
  fill: rgba(217, 208, 197, .55); transition: fill .5s;
}
.plates[data-active="1"] .plate[data-plate="1"],
.plates[data-active="2"] .plate[data-plate="2"],
.plates[data-active="3"] .plate[data-plate="3"] { transform: translateY(-0.5rem); }
.plates[data-active="1"] .plate[data-plate="1"] .plate__top,
.plates[data-active="2"] .plate[data-plate="2"] .plate__top,
.plates[data-active="3"] .plate[data-plate="3"] .plate__top { fill: rgba(101, 69, 47, .55); stroke: var(--copper); }
.plates[data-active="1"] .plate[data-plate="1"] .plate__grid,
.plates[data-active="2"] .plate[data-plate="2"] .plate__grid,
.plates[data-active="3"] .plate[data-plate="3"] .plate__grid { stroke: rgba(193, 138, 85, .45); }
.plates[data-active="1"] .plate[data-plate="1"] .plate__label,
.plates[data-active="2"] .plate[data-plate="2"] .plate__label,
.plates[data-active="3"] .plate[data-plate="3"] .plate__label { fill: var(--ivory); }
.stack__status { display: inline-flex; align-items: center; gap: 0.625rem; margin: 0; font-size: 0.75rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }

.stack__layers { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.layer {
  position: relative; display: grid; gap: 1rem;
  padding: clamp(1.5rem, 3vw, 2.75rem);
  background: rgba(17, 16, 15, .55); border: 1px solid var(--line);
  transition: border-color .4s, background .4s;
}
.layer::before { content: ""; position: absolute; top: -1px; left: -1px; width: 2.5rem; height: 2px; background: var(--copper); transition: width .5s var(--ease); }
.layer.is-active { border-color: var(--line-2); background: rgba(17, 16, 15, .82); }
.layer.is-active::before { width: 6rem; }
.layer__tag { display: flex; align-items: center; gap: 0.75rem; margin: 0; font-size: 0.6875rem; text-transform: uppercase; letter-spacing: .14em; color: var(--muted); }
.layer__tag span { color: var(--copper); padding: 0.25rem 0.5rem; border: 1px solid var(--line-2); }
.layer__title { margin: 0; color: var(--ivory); font-size: clamp(1.75rem, 1.4vw + 1.1rem, 2.5rem); font-weight: 700; font-stretch: 110%; letter-spacing: -.03em; line-height: 1.05; }
.layer__text { margin: 0; color: var(--muted); font-size: clamp(1rem, 0.95rem + .2vw, 1.0938rem); line-height: 1.75; max-width: 62ch; }

.modules { list-style: none; margin: 0.25rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.module { display: grid; align-content: start; gap: 0.5rem; padding: 1.25rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.module__n { font-size: 0.6875rem; letter-spacing: .14em; color: var(--copper); }
.module h4 { margin: 0; color: var(--ivory); font-size: 1.0625rem; font-weight: 600; font-stretch: 105%; line-height: 1.25; }
.module p { margin: 0; color: var(--muted); font-size: 0.9375rem; line-height: 1.7; }

.signoff {
  margin: 0.5rem 0 0; display: flex; align-items: baseline; flex-wrap: wrap; gap: 0.75rem;
  font-size: clamp(1.375rem, 1vw + 1rem, 1.875rem); font-weight: 800; font-stretch: 112%; letter-spacing: -.02em; color: var(--ivory);
}
.signoff .mono { font-size: 0.8125rem; font-weight: 400; letter-spacing: .04em; }
.signoff em { font-style: normal; color: var(--copper); }

/* ---------- responsivo ---------- */
/* telemetria em grade 2 x 2 */
.telemetry__item:nth-child(2) { border-right: 0; }
.telemetry__item:nth-child(3) { padding-left: 0; }
.telemetry__item:nth-child(3)::before { left: 0; }
.telemetry__item:nth-child(n + 3) { border-top: 1px solid var(--line); }
.telemetry__item { padding-bottom: 1.25rem; }

@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; }
  .portrait { max-width: 22rem; margin-left: 1.25rem; }
  .stack { grid-template-columns: 1fr; }
  .stack__viz { position: static; grid-template-columns: minmax(0, 15rem) auto; align-items: center; justify-content: start; justify-items: start; gap: 1.5rem; }
  .plates { max-width: 15rem; }
}
@media (max-width: 640px) {
  .modules { grid-template-columns: 1fr; }
  .stack__viz { grid-template-columns: 1fr; justify-items: center; }
  .plates { max-width: 13rem; }
}
@media (max-width: 380px) {
  .telemetry { grid-template-columns: 1fr; }
  .telemetry__item { border-right: 0 !important; padding-left: 0 !important; border-top: 1px solid var(--line); }
  .telemetry__item::before { left: 0 !important; }
  .telemetry__item:first-child { border-top: 0; }
  .portrait__tag { left: -0.75rem; }
}

/* a placa e a etiqueta do retrato saem levemente da foto: recorta sem criar rolagem lateral */
.about { overflow-x: clip; }
@media (max-width: 900px) {
  .portrait { width: calc(100% - 2.5rem); }
}