/* Selected work — a scroll-driven 3D card carousel, no three.js.
   Each card rotates around X by its distance from the viewport centre.
   The card at the centre is flat, full-scale and fully opaque. */

.flagships {
  position: relative;
  padding: 14vh 0 20vh;
  background: var(--ground);
  overflow-x: clip;
  scroll-margin-top: var(--header-h);
}

/* Soft repeating pattern behind selected work.
   Try .flagships--vine or .flagships--scroll on the section to swap. */
.flagships { isolation: isolate; }
.flagships::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: var(--flagship-pattern, url("../img/patterns/damask.svg"));
  background-repeat: repeat;
  background-size: 150px 150px;
  opacity: 0.15;
  pointer-events: none;
  animation: flagship-drift 90s linear infinite;
}
.flagships > * { position: relative; z-index: 1; }
.flagships--vine::before { background-image: url("../img/patterns/vine.svg"); }
.flagships--scroll::before { background-image: url("../img/patterns/scroll.svg"); }

@keyframes flagship-drift {
  to { background-position: 300px 300px; }
}

@media (prefers-reduced-motion: reduce) {
  .flagships::before { animation: none; }
}

.flagships-head {
  row-gap: 18px;
  align-items: start;
  margin-bottom: 12vh;
}
.flagships-head .label { grid-column: 1 / span 6; grid-row: 1; }
.flagships-count {
  grid-column: 10 / span 3;
  grid-row: 1;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.flagships-head h2 {
  grid-column: 1 / span 8;
  grid-row: 2;
  margin: 0;
  font-size: var(--step-4);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.04em;
  text-wrap: balance;
}
.flagships-intro {
  grid-column: 1 / span 5;
  grid-row: 3;
  max-width: 46ch;
  color: var(--muted);
  text-wrap: pretty;
}

/* ------------------------------------------------------------------
   The carousel
   ------------------------------------------------------------------ */

.flag-list {
  position: relative;
  display: grid;
  gap: 13vh;
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--gutter);
  perspective: 1500px;
  perspective-origin: 50% 50%;
}

.flag-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  min-height: 44vh;
  background: var(--panel);
  border: 1px solid var(--rule);
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
  transform: translateX(var(--x, 0px)) translateZ(var(--tz, 0px)) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) scale(var(--sc, 1));
  opacity: var(--op, 1);
  transform-origin: 50% 50%;
  will-change: transform, opacity;
  backface-visibility: hidden;
  transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}
.flag-card:hover,
.flag-card:focus-visible {
  border-color: var(--card-accent, var(--accent));
  box-shadow: 0 24px 70px rgba(20, 18, 16, 0.12);
}
.flag-card:focus-visible {
  outline: 2px solid var(--card-accent, var(--accent));
  outline-offset: 4px;
}

.flag-media {
  position: relative;
  overflow: hidden;
  min-height: 100%;
  border-right: 1px solid var(--rule);
  background: color-mix(in srgb, var(--ink) 6%, transparent);
}
.flag-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--ease);
}
.flag-card:hover .flag-media img {
  transform: scale(1.04);
}

.flag-tab {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 8px;
  background: var(--card-accent, var(--accent));
  color: #fff;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* The board replaces a photo on the fifth card. */
.flag-media--board {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #0f172a;
}
.medallion {
  width: 100%;
  max-width: 300px;
  display: grid;
  gap: 10px;
  transform: rotate(-4deg);
}
.medallion span {
  display: block;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #e9eef6;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.medallion span:nth-child(1) { background: rgba(56, 189, 248, 0.16); }
.medallion span:nth-child(2) { background: rgba(56, 189, 248, 0.09); margin-inline: 14px; }
.medallion span:nth-child(3) { background: rgba(56, 189, 248, 0.04); margin-inline: 28px; }

.flag-copy {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 34px);
}
.flag-copy .label { color: var(--card-accent, var(--accent)); }
.flag-copy h3 {
  margin: 10px 0 14px;
  font-size: clamp(1.45rem, 1.15rem + 1.2vw, 2.15rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
.flag-copy > p:not(.label) {
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
  text-wrap: pretty;
}
.flag-receipt {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.flag-receipt span:last-child {
  color: var(--card-accent, var(--accent));
  white-space: nowrap;
}
.flag-open {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid color-mix(in srgb, var(--rule) 65%, transparent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* The popup above the card. */
.flag-pop {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 14px);
  z-index: 20;
  width: min(380px, 78vw);
  padding: 12px 14px;
  background: var(--ink);
  color: var(--ground);
  border-left: 2px solid var(--card-accent, var(--accent));
  transform: translateX(-50%) translateY(8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms var(--ease), transform 180ms var(--ease), visibility 180ms;
}
.flag-pop::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--ink);
}
.flag-card:hover .flag-pop,
.flag-card:focus-visible .flag-pop {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.flag-pop b {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.flag-pop span {
  display: block;
  font-size: 13px;
  line-height: 1.45;
}

@media (hover: none) {
  .flag-pop { display: none; }
}

/* ------------------------------------------------------------------
   Case dialog
   ------------------------------------------------------------------ */

html.dialog-open { overflow: hidden; }

.case-dialog {
  width: min(1180px, 92vw);
  max-width: none;
  max-height: 88vh;
  padding: 0;
  border: 1px solid var(--rule);
  background: var(--ground);
  color: var(--ink);
  overflow: hidden;
}
.case-dialog::backdrop {
  background: rgba(12, 12, 12, 0);
  backdrop-filter: blur(0);
  transition: background 420ms cubic-bezier(0.22, 1, 0.36, 1),
              backdrop-filter 420ms cubic-bezier(0.22, 1, 0.36, 1);
}
.case-dialog.is-open::backdrop {
  background: rgba(12, 12, 12, 0.6);
  backdrop-filter: blur(6px);
}
.case-dialog-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  max-height: 88vh;
}
.case-dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 5;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(0, 0, 0, 0.32);
  color: #fff;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.case-dialog-close:hover { background: #fff; color: #111; }

.case-dialog-body {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  min-height: 0;
  height: min(62vh, 620px);
}

.case-media {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: #0f172a;
  border-right: 1px solid var(--rule);
}
.case-media-stage {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: hidden;
}
.case-media-stage img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.case-media-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: #e9eef6;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}
.case-media-controls button {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  color: inherit;
  font-size: 16px;
  cursor: pointer;
}
.case-media-controls button:hover { background: rgba(255, 255, 255, 0.1); }
.case-media-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding-bottom: 12px;
  background: #0f172a;
}
.case-media-dots button {
  width: 7px;
  height: 7px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
}
.case-media-dots button[aria-current="true"] { background: #fff; }

.case-info {
  padding: clamp(20px, 3vw, 38px);
  overflow-y: auto;
}
.case-info .label { color: var(--case-accent, var(--accent)); }
.case-info h2 {
  margin: 10px 0 18px;
  font-size: clamp(1.8rem, 1.4rem + 1.6vw, 2.8rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.case-info p {
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}
.case-skills-label {
  margin: 24px 0 6px;
}
.case-stack {
  margin: 0 !important;
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
}
.case-info .case-stack {
  font-size: var(--stack-size);
}
.case-metrics {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}
.case-metrics-label {
  margin-bottom: 8px;
}
.case-receipts {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-top: 0;
  border-top: 0;
}
.case-receipts div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}
.case-receipts dt {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.case-receipts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: right;
}
.case-receipts dd span {
  display: block;
  margin-top: 2px;
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--case-accent, var(--accent));
}

.media-board {
  width: 100%;
  display: grid;
  gap: 18px;
  align-content: center;
}
.media-board div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: #e9eef6;
}
.media-board strong {
  font-size: clamp(1.8rem, 3vw, 3.2rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.03em;
}
.media-board span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #93a4ba;
  text-align: right;
}
.media-board em {
  display: block;
  margin-top: 3px;
  font-style: normal;
  font-size: 8px;
  color: #6f849c;
}

.media-medallion {
  width: 100%;
  max-width: 420px;
  display: grid;
  gap: 12px;
}
.media-medallion span {
  display: block;
  padding: 24px 22px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #e9eef6;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.media-medallion span:nth-child(1) { background: rgba(56, 189, 248, 0.16); }
.media-medallion span:nth-child(2) { background: rgba(56, 189, 248, 0.09); margin-inline: 16px; }
.media-medallion span:nth-child(3) { background: rgba(56, 189, 248, 0.04); margin-inline: 32px; }

.case-dialog-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 3vw, 38px);
  border-top: 1px solid var(--rule);
  background: var(--panel);
}
.case-dialog-name {
  font-size: var(--step-1);
  font-weight: 300;
  letter-spacing: -0.02em;
}
.case-dialog-footer .label { margin-bottom: 4px; }
.case-dialog-footer a {
  padding-bottom: 4px;
  border-bottom: 1px solid var(--case-accent, var(--ink));
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}
.case-dialog-footer a:hover { color: var(--case-accent); }

/* ------------------------------------------------------------------
   Responsive and motion
   ------------------------------------------------------------------ */

@media (max-width: 900px) {
  .flagships-head h2 { font-size: var(--step-3); }
  .flagships-head .label,
  .flagships-head h2,
  .flagships-intro,
  .flagships-count { grid-column: 1 / -1; grid-row: auto; justify-self: start; }

  .flag-list { perspective: none; gap: 28px; }
  .flag-card {
    grid-template-columns: 1fr;
    min-height: 0;
    transform: none;
    opacity: 1;
  }
  .flag-media { height: 220px; min-height: 0; border-right: 0; border-bottom: 1px solid var(--rule); }
  .flag-copy { padding: 20px; }
  .flag-pop { display: none; }

  .case-dialog { width: 96vw; max-height: 92vh; }
  .case-dialog-body {
    grid-template-columns: 1fr;
    height: auto;
    max-height: 64vh;
    overflow-y: auto;
  }
  .case-media {
    min-height: 40vh;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }
  .case-media-stage { min-height: 30vh; padding: 16px; }
  .case-info { overflow: visible; }
  .case-dialog-footer { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .case-dialog::backdrop { transition: none; }
  .flag-card {
    transform: none !important;
    opacity: 1 !important;
  }
  .flag-media img { transition: none; }
}