/* ============================================================
   COMPONENTS — reusable, section-agnostic pieces
   ============================================================ */

/* ------------------------------------------------------------
   Button
   ------------------------------------------------------------ */
.btn {
  --btn-pad-y: 0.9rem;
  --btn-pad-x: 1.6rem;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7em;
  padding: var(--btn-pad-y) var(--btn-pad-x);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tr-wide);
  text-transform: uppercase;
  border: 1px solid var(--fg);
  overflow: hidden;
  isolation: isolate;
  transition: color var(--d-base) var(--e-out), border-color var(--d-base) var(--e-out);
  will-change: transform;
}
.btn > span, .btn > svg { position: relative; z-index: 2; }
.btn svg { width: 14px; height: 14px; transition: transform var(--d-base) var(--e-out); }
.btn:hover svg { transform: translateX(4px); }

/* Wipe fill: a block that slides in from the bottom on hover */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--fg);
  transform: translateY(101%);
  transition: transform var(--d-base) var(--e-inout);
}
.btn:hover::before, .btn:focus-visible::before { transform: translateY(0); }

.btn--solid { background: var(--fg); color: var(--bg); }
.btn--solid::before { background: var(--bg); }
.btn--solid:hover { color: var(--fg); }

.btn--ghost { color: var(--fg); border-color: var(--line-strong); }
.btn--ghost:hover { color: var(--bg); border-color: var(--fg); }

.btn--sm { --btn-pad-y: 0.6rem; --btn-pad-x: 1.1rem; }
.btn--lg { --btn-pad-y: 1.15rem; --btn-pad-x: 2.2rem; }

/* ------------------------------------------------------------
   Custom cursor (pointer devices only — see media query)
   ------------------------------------------------------------ */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-cursor);
  pointer-events: none;
  display: none;
  mix-blend-mode: difference;
}
.cursor__dot,
.cursor__ring {
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  will-change: transform;
}
.cursor__dot {
  width: 6px;
  height: 6px;
  background: var(--c-white);
}
.cursor__ring {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  display: grid;
  place-items: center;
  transition: width var(--d-fast) var(--e-out), height var(--d-fast) var(--e-out),
              background-color var(--d-fast) var(--e-out), border-color var(--d-fast) var(--e-out);
}
.cursor__label {
  font-size: 8px;
  color: var(--c-black);
  opacity: 0;
  transition: opacity var(--d-fast) var(--e-out);
  white-space: nowrap;
}
/* State: generic interactive hover */
.cursor.is-hover .cursor__ring { width: 58px; height: 58px; border-color: rgba(255,255,255,0.9); }
/* State: labelled hover (e.g. project cards → "VIEW") */
.cursor.is-view .cursor__ring {
  width: 76px; height: 76px;
  background: var(--c-white);
  border-color: var(--c-white);
}
.cursor.is-view .cursor__label { opacity: 1; }
.cursor.is-view .cursor__dot { opacity: 0; }

@media (hover: hover) and (pointer: fine) {
  .cursor { display: block; }
  body.has-cursor, body.has-cursor * { cursor: none !important; }
}

/* ------------------------------------------------------------
   Preloader
   ------------------------------------------------------------ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  background: var(--bg);
  display: grid;
  place-items: end stretch;
  padding: var(--gutter);
  clip-path: inset(0 0 0 0);
  transition: clip-path 1s var(--e-inout);
}
.preloader.is-done { clip-path: inset(0 0 100% 0); pointer-events: none; }

.preloader__inner { display: grid; gap: var(--s-4); width: 100%; }
.preloader__label {
  display: flex;
  justify-content: space-between;
  color: var(--fg-faint);
}
.preloader__count {
  font-family: var(--font-display);
  font-size: clamp(4rem, 22vw, 16rem);
  font-weight: 500;
  line-height: 0.85;
  letter-spacing: var(--tr-tight);
}
.preloader__count sup { font-size: 0.18em; vertical-align: super; color: var(--fg-faint); }
.preloader__bar { height: 1px; background: var(--line); overflow: hidden; }
.preloader__bar span {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--fg);
  transform: scaleX(0);
  transform-origin: 0 50%;
}
.preloader__meta { color: var(--fg-faint); }

/* ------------------------------------------------------------
   Ticker / marquee
   ------------------------------------------------------------ */
.ticker {
  position: relative;
  z-index: var(--z-content);
  overflow: hidden;
  border-block: 1px solid var(--line);
  padding-block: var(--s-4);
  background: var(--bg);
}
.ticker__track {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  white-space: nowrap;
  width: max-content;
  will-change: transform;
}
.ticker__item {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: var(--tr-wide);
  text-transform: uppercase;
  color: var(--fg-mute);
}
.ticker__sep { color: var(--fg-faint); }

/* Generic marquee track used by footer + experience rows */
[data-marquee] { will-change: transform; }

/* ------------------------------------------------------------
   Chips
   ------------------------------------------------------------ */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}
.chips li {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4em 0.85em;
  border: 1px solid var(--line);
  color: var(--fg-mute);
  transition: border-color var(--d-fast) var(--e-out), color var(--d-fast) var(--e-out);
}
.chips li:hover { border-color: var(--line-strong); color: var(--fg); }

/* ------------------------------------------------------------
   Lightbox — opens a portfolio drawing as a sheet
   ------------------------------------------------------------ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-menu);
  display: grid;
  place-items: center;
  padding: clamp(var(--s-4), 4vw, var(--s-7));
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--d-base) var(--e-out);
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lightbox__panel {
  position: relative;
  width: min(100%, 980px);
  max-height: 100%;
  display: grid;
  gap: var(--s-4);
  transform: translateY(18px) scale(0.985);
  transition: transform var(--d-slow) var(--e-out);
}
.lightbox.is-open .lightbox__panel { transform: none; }

.lightbox__close {
  position: absolute;
  top: calc(-1 * var(--s-6));
  right: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--fg);
  transition: background-color var(--d-fast) var(--e-out), color var(--d-fast) var(--e-out);
}
.lightbox__close svg { width: 16px; height: 16px; }
.lightbox__close:hover { background: var(--fg); color: var(--bg); }

/* ---- The sheet ---- */
.lightbox__sheet {
  border: 1px solid var(--line-strong);
  background: var(--c-ink);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-height: 0;
}

.lightbox__frame {
  position: relative;
  display: grid;
  place-items: center;
  min-height: min(58vh, 480px);
  padding: clamp(var(--s-5), 4vw, var(--s-8));
  overflow: hidden;
  /* Faint drafting grid, so an empty sheet still reads as a sheet */
  background-image:
    linear-gradient(to right, var(--c-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--c-line-soft) 1px, transparent 1px);
  background-size: 32px 32px;
}

.lightbox__img { max-width: 100%; max-height: 100%; object-fit: contain; }

/* Corner registration marks */
.lightbox__mark {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 0 solid var(--line-strong);
}
.lightbox__mark--tl { top: 10px; left: 10px; border-top-width: 1px; border-left-width: 1px; }
.lightbox__mark--tr { top: 10px; right: 10px; border-top-width: 1px; border-right-width: 1px; }
.lightbox__mark--bl { bottom: 10px; left: 10px; border-bottom-width: 1px; border-left-width: 1px; }
.lightbox__mark--br { bottom: 10px; right: 10px; border-bottom-width: 1px; border-right-width: 1px; }

/* ---- Empty state: a sheet that hasn't been issued yet ---- */
.lightbox__empty {
  display: grid;
  justify-items: center;
  gap: var(--s-4);
  max-width: 42ch;
  text-align: center;
}
.lightbox__empty-rule {
  width: 56px;
  height: 1px;
  background: var(--line-strong);
}
.lightbox__empty-title { color: var(--fg); }
.lightbox__empty-note {
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--fg-faint);
}

/* ---- Title block ---- */
.lightbox__title {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  border-top: 1px solid var(--line);
}
.lightbox__cell {
  display: grid;
  gap: var(--s-1);
  padding: var(--s-4) var(--s-5);
  border-left: 1px solid var(--line);
  min-width: 0;
}
.lightbox__cell:first-child { border-left: none; }
.lightbox__k { color: var(--fg-faint); }
.lightbox__v {
  font-size: var(--fs-sm);
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---- Prev / next ---- */
.lightbox__nav { display: flex; gap: var(--s-3); justify-content: flex-end; }
.lightbox__arrow {
  width: 56px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--fg-mute);
  transition: background-color var(--d-fast) var(--e-out),
              color var(--d-fast) var(--e-out),
              border-color var(--d-fast) var(--e-out);
}
.lightbox__arrow svg { width: 20px; height: 14px; }
.lightbox__arrow:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }

@media (max-width: 640px) {
  .lightbox__title { grid-template-columns: 1fr; }
  .lightbox__cell { border-left: none; border-top: 1px solid var(--line); }
  .lightbox__cell:first-child { border-top: none; }
  .lightbox__close { top: calc(-1 * var(--s-5)); }
}

/* ------------------------------------------------------------
   Form
   ------------------------------------------------------------ */
.form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-5) var(--s-6);
}
.field { display: grid; gap: var(--s-2); }
.field--full { grid-column: 1 / -1; }

.field label { color: var(--fg-faint); }

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: var(--s-3) 0;
  font-size: var(--fs-base);
  color: var(--fg);
  border-bottom: 1px solid var(--line);
  transition: border-color var(--d-base) var(--e-out);
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--c-mute); opacity: 0.55; }

.field input:focus,
.field textarea:focus,
.field select:focus { border-bottom-color: var(--fg); }

/* Native select needs an explicit dark option list on some UAs */
.select-wrap { position: relative; }
.select-wrap::after {
  content: "";
  position: absolute;
  right: 2px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--fg-mute);
  border-bottom: 1px solid var(--fg-mute);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: var(--s-5);
}
.field select option { background: var(--c-ink); color: var(--c-white); }

.field.is-invalid input,
.field.is-invalid textarea,
.field.is-invalid select { border-bottom-color: var(--fg); }

.field__err {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--fg-faint);
  min-height: 1em;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--d-fast) var(--e-out), transform var(--d-fast) var(--e-out);
}
.field.is-invalid .field__err { opacity: 1; transform: none; }

.form__foot {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-5);
  margin-top: var(--s-3);
}
.form__note { color: var(--fg-faint); }

@media (max-width: 720px) {
  .form { grid-template-columns: 1fr; }
}