/* ============================================================
   components.css
   Reusable visual atoms: buttons, chips, cards, tickers,
   forms, magnetic-hero stage.
   Documented in /docs/DESIGN_SYSTEM.md §5.
   ============================================================ */

/* === Buttons =============================================== */

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 22px;
  background: var(--c-ink);
  color: var(--c-paper);
  border: var(--bw) solid var(--c-rule);
  transition: transform var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
  cursor: pointer;
}
.btn:hover {
  transform: translate(calc(-1 * var(--offset-md)), calc(-1 * var(--offset-md)));
  box-shadow: var(--offset-md) var(--offset-md) 0 var(--c-rule);
  color: var(--c-paper);
}
.btn--primary {
  background: var(--c-accent);
  color: var(--c-accent-ink);
  border-color: var(--c-accent);
}
.btn--primary:hover { color: var(--c-accent-ink); }
.btn--ghost {
  background: transparent;
  color: var(--c-ink);
}
.btn--ghost:hover { color: var(--c-ink); }
.btn--small { padding: 10px 14px; font-size: 10px; }
.btn--block { display: flex; width: 100%; justify-content: center; }

/* === Chips ================================================= */

.chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: var(--bw) solid var(--c-rule);
  color: var(--c-ink);
  background: transparent;
  line-height: 1.4;
}
.chip--solid { background: var(--c-ink); color: var(--c-paper); }
.chip--accent { background: var(--c-accent); color: var(--c-accent-ink); border-color: var(--c-accent); }

.chip-grid { display: flex; flex-wrap: wrap; gap: var(--space-xs); }

/* === Marquee / belt ticker ================================= */

.belt {
  background: var(--c-accent);
  color: var(--c-accent-ink);
  padding: 14px 0;
  overflow: hidden;
  border-top: var(--bw) solid var(--c-rule);
  border-bottom: var(--bw) solid var(--c-rule);
}
.belt__track {
  display: flex;
  white-space: nowrap;
  animation: belt-tick 40s linear infinite;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(28px, 3.6vw, 52px);
  line-height: 1;
  letter-spacing: -0.01em;
}
.belt__track > span {
  padding: 0 28px;
  display: inline-flex; align-items: center; gap: 28px;
}
.belt__track > span::after {
  content: '✱';
  font-family: var(--f-serif);
  font-style: normal;
  color: var(--c-accent-ink);
}
@keyframes belt-tick {
  from { transform: translate3d(0,0,0); }
  to   { transform: translate3d(-50%, 0, 0); }
}
@media (max-width: 640px) {
  .belt__track { animation-duration: 24s; font-size: clamp(22px, 7vw, 32px); }
}

/* === Magnetic hero stage =================================== */

.hero-stage {
  position: relative;
  width: 100%;
  min-height: 75vh;
}
.magnetic-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%; height: 100%;
  cursor: crosshair;
  z-index: 1;
}
.hero-title {
  position: relative;
  z-index: 2;
  pointer-events: none;
}

/* === Spec strip — 6 col, used under hero ================== */

.spec-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: var(--bw) solid var(--c-rule);
  border-bottom: var(--bw) solid var(--c-rule);
  background: var(--c-paper);
}
.spec-strip__cell {
  padding: 18px 16px;
  border-right: var(--bw) solid var(--c-rule);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
}
.spec-strip__cell:last-child { border-right: 0; }
.spec-strip__cell b {
  display: block;
  margin-top: 6px;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 20px;
  letter-spacing: -0.005em;
  text-transform: none;
  color: var(--c-ink);
  font-weight: 400;
}

@media (max-width: 960px) {
  .spec-strip { grid-template-columns: repeat(2, 1fr); }
  .spec-strip__cell {
    border-right: var(--bw) solid var(--c-rule);
    border-bottom: var(--bw) solid var(--c-rule);
  }
  .spec-strip__cell:nth-child(2n) { border-right: 0; }
  .spec-strip__cell:nth-last-child(-n+2) { border-bottom: 0; }
}
@media (max-width: 640px) {
  .spec-strip { grid-template-columns: 1fr; }
  .spec-strip__cell { border-right: 0; }
  .spec-strip__cell b { font-size: 17px; }
}

/* === Strip-3 — 3-col mono meta row (page top/bottom) ======== */
/* Shared by .login, /404 (light) and footer top/bottom (dark). */

.strip-3 {
  display: grid;
  grid-template-columns: 4fr 4fr 4fr;
  padding: 18px 0;
  border-bottom: var(--bw) solid var(--c-rule);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
}
.strip-3 .c { text-align: center; }
.strip-3 .r { text-align: right; }

/* Dark surface — used inside .foot (paper-on-ink). */
.strip-3--dark {
  color: color-mix(in srgb, var(--c-paper) 60%, transparent);
  border-bottom-color: color-mix(in srgb, var(--c-paper) 40%, transparent);
}

/* Border on top instead of bottom (e.g. .foot__bottom row). */
.strip-3--border-top {
  padding: var(--space-md) 0 0;
  border-top: var(--bw) solid var(--c-rule);
  border-bottom: 0;
}
.strip-3--dark.strip-3--border-top {
  border-top-color: color-mix(in srgb, var(--c-paper) 40%, transparent);
}

@media (max-width: 960px) {
  .strip-3 { grid-template-columns: 1fr; gap: 4px; }
  .strip-3 .c, .strip-3 .r { text-align: left; }
}

/* === Service / category card (big interactive row) ========= */

.service-card {
  display: grid;
  grid-template-columns: 60px 5fr 6fr 1fr;
  gap: var(--space-gutter);
  align-items: baseline;
  padding: 40px 0;
  border-bottom: var(--bw) solid var(--c-rule);
  position: relative;
  transition: padding-left var(--t-base) var(--ease);
  color: var(--c-ink);
  overflow: hidden;
}
.service-card:hover { padding-left: var(--offset-md); }
.service-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0;
  background: var(--c-accent);
  transition: width var(--t-base) var(--ease);
  z-index: -1;
}
.service-card:hover::before { width: 100%; }

.service-card__num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-ink-mute);
}
.service-card__name {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.02em;
}
.service-card__name em { font-style: italic; color: var(--c-accent); }
.service-card:hover .service-card__name,
.service-card:hover .service-card__num,
.service-card:hover .service-card__desc,
.service-card:hover .service-card__tags { color: var(--c-accent-ink); }
.service-card:hover .service-card__name em { color: var(--c-accent-ink); }
.service-card:hover .chip { color: var(--c-accent-ink); border-color: var(--c-accent-ink); }
.service-card__desc {
  font-family: var(--f-grot);
  font-size: 15px;
  line-height: 1.45;
  color: var(--c-ink-2);
  max-width: 44ch;
}
.service-card__tags {
  display: flex; flex-direction: column; gap: var(--space-xs);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: right;
  color: var(--c-ink-mute);
}
.service-card__arrow {
  position: absolute;
  right: 0; bottom: 40px;
  font-family: var(--f-mono);
  font-size: 14px;
  color: var(--c-ink-mute);
  opacity: 0;
  transform: translateX(calc(-1 * var(--offset-sm)));
  transition: opacity var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}
.service-card:hover .service-card__arrow {
  opacity: 1; transform: translateX(0);
  color: var(--c-accent-ink);
}

@media (max-width: 960px) {
  .service-card { grid-template-columns: 40px 1fr; padding: 28px 0; }
  .service-card__desc, .service-card__tags { grid-column: 2; }
  .service-card__tags { text-align: left; flex-direction: row; flex-wrap: wrap; gap: var(--space-xs); }
  .service-card__arrow { display: none; }
}

/* === Form fields =========================================== */

.field {
  display: flex; flex-direction: column;
  gap: 6px;
  padding: 12px 0;
  border-bottom: var(--bw) solid var(--c-rule);
}
.field__label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
}
.field__input,
.field__textarea {
  background: transparent;
  border: 0;
  outline: 2px solid transparent;
  font-family: var(--f-serif);
  font-size: 22px;
  font-style: italic;
  color: var(--c-ink);
  padding: 0;
}
.field__input::placeholder,
.field__textarea::placeholder {
  color: var(--c-ink-mute);
  opacity: 0.5;
}
.field__textarea {
  resize: vertical;
  min-height: 100px;
  font-size: 18px;
}
.field:focus-within .field__label { color: var(--c-accent); }
.field:focus-within {
  border-bottom-color: var(--c-accent);
}
.field__input:focus-visible,
.field__textarea:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 4px;
}
.field--error {
  border-bottom-color: var(--c-accent);
}
.field--error .field__label { color: var(--c-accent); }

.field__hint {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
  margin-top: 4px;
}

/* === Stat / fact cell ====================================== */

.fact {
  display: flex; flex-direction: column; gap: 14px;
  padding-top: var(--space-md);
  border-top: var(--bw) solid var(--c-rule);
}
.fact__k {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
}
.fact__v {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

/* === Process step ========================================== */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: var(--bw2) solid var(--c-rule);
}
.step {
  padding: 32px 24px 40px;
  border-right: var(--bw) solid var(--c-rule);
  display: flex; flex-direction: column;
  min-height: 320px;
}
.step:last-child { border-right: 0; }
.step__num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 24px;
}
.step__name {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(28px, 2.6vw, 42px);
  line-height: 1;
  letter-spacing: -0.015em;
  margin-bottom: 20px;
}
.step__body {
  font-family: var(--f-grot);
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-ink-2);
  margin-bottom: auto;
}
.step__tout {
  margin-top: 24px;
  padding-top: 16px;
  border-top: var(--bw) solid var(--c-rule);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
}

@media (max-width: 960px) {
  .steps { grid-template-columns: 1fr; }
  .step { border-right: 0; border-bottom: var(--bw) solid var(--c-rule); min-height: 0; padding: 24px 0; }
  .step:last-child { border-bottom: 0; }
}

/* === Live status pill ====================================== */

.status-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 10px;
  border: var(--bw) solid var(--c-rule);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.status-pill::before {
  content: '';
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-accent);
  animation: nav-pulse 1.8s infinite;
}

/* === Image gallery (used by logofolio, archive, etc.) ===== */

.lf-gallery {
  padding: var(--space-xl) var(--pad) var(--space-3xl);
}

.lf-item {
  border-top: var(--bw) solid var(--c-rule);
  padding: var(--space-lg) 0 0;
}

.lf-item + .lf-item {
  margin-top: var(--space-lg);
}

.lf-item__img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
}

.lf-item__caption {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: var(--space-md);
  padding: var(--space-sm) 0 var(--space-lg);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lf-item__num  { color: var(--c-accent); min-width: 3ch; }
.lf-item__name { color: var(--c-ink); }
.lf-item__type { color: var(--c-ink-mute); }

.lf-item--title .lf-item__img { border: 0; }

@media (max-width: 640px) {
  .lf-item__caption {
    grid-template-columns: auto 1fr;
    row-gap: 2px;
  }
  .lf-item__type {
    grid-column: 1 / -1;
    padding-left: calc(3ch + var(--space-md));
  }
}