/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 14px 24px;
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-pill);
  transition: transform var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
  border: 1px solid transparent;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-ink);
  color: var(--color-invert-text);
}

.btn--primary:hover {
  background: var(--color-ink-soft);
  transform: translateY(-1px);
  opacity: 1;
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}

.btn--ghost:hover {
  background: var(--color-ink);
  color: var(--color-invert-text);
  border-color: var(--color-ink);
  transform: translateY(-1px);
  opacity: 1;
}

.btn--invert {
  background: var(--color-invert-text);
  color: var(--color-invert-bg);
}

.btn--invert:hover {
  background: #ffffff;
  opacity: 1;
}

.btn__arrow {
  width: 14px;
  height: 14px;
  transition: transform var(--dur-fast) var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

/* ===== Tag / chip ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
}

.tag--invert {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--color-invert-muted);
}

/* ===== Bento card base ===== */
.card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-7);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}

.card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-3px);
}

.card--surface {
  background: var(--color-surface);
}

.card--ink {
  background: var(--color-invert-bg);
  color: var(--color-invert-text);
  border-color: rgba(255, 255, 255, 0.08);
}

.card--ink h3,
.card--ink h4 {
  color: var(--color-invert-text);
}

.card--ink p {
  color: var(--color-invert-muted);
}

.card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-4);
}

.card__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}

.card--ink .card__num {
  color: var(--color-invert-muted);
}

.card__title {
  font-size: var(--fs-xl);
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0;
}

.card__body {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
  margin: 0;
  flex: 1;
}

.card--ink .card__body {
  color: var(--color-invert-muted);
}

.card__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.card__list li {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.card__list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-ink);
  flex-shrink: 0;
}

.card--ink .card__list li::before {
  background: var(--color-invert-text);
}

.card__cta {
  align-self: flex-start;
  font-size: var(--fs-sm);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--color-ink);
}

.card--ink .card__cta {
  color: var(--color-invert-text);
}

.card__cta svg {
  width: 12px;
  height: 12px;
  transition: transform var(--dur-fast) var(--ease-out);
}

.card__cta:hover svg {
  transform: translateX(3px);
}

/* ===== 3D-styled product mockup (Hero visual) ===== */
.mockup {
  position: relative;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, #fafafa 0%, #ededed 100%);
  border: 1px solid var(--color-border);
  padding: var(--sp-7);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  perspective: 1200px;
}

.mockup::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 60% at 80% 0%, rgba(10, 10, 10, 0.05), transparent 60%),
    radial-gradient(40% 40% at 0% 100%, rgba(10, 10, 10, 0.04), transparent 60%);
  pointer-events: none;
}

.mockup__window {
  position: relative;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  transform-style: preserve-3d;
  overflow: hidden;
}

.mockup__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.mockup__bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border-strong);
}

.mockup__bar span:nth-child(2) { background: #d6d6d6; }
.mockup__bar span:nth-child(3) { background: #c2c2c2; }

.mockup__bar-title {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.mockup__body {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 360px;
}

.mockup__sidebar {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mockup__sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--color-text-muted);
}

.mockup__sidebar-item.is-active {
  background: var(--color-bg);
  color: var(--color-ink);
  font-weight: 500;
  box-shadow: var(--shadow-xs);
}

.mockup__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-border-strong);
}

.mockup__sidebar-item.is-active .mockup__dot {
  background: var(--color-ink);
}

.mockup__main {
  padding: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 1fr auto;
  gap: 14px;
}

.mockup__metric {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mockup__metric-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.mockup__metric-value {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.mockup__metric-trend {
  font-size: 10px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.mockup__chart {
  grid-column: span 2;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px;
  position: relative;
  min-height: 130px;
}

.mockup__chart-title {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mockup__bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
}

.mockup__bars span {
  flex: 1;
  background: linear-gradient(180deg, var(--color-ink) 0%, var(--color-text-muted) 100%);
  border-radius: 2px 2px 0 0;
  opacity: 0.85;
}

.mockup__row {
  grid-column: span 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.mockup__pill {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 6px 10px;
  font-size: 10px;
  color: var(--color-text-muted);
  text-align: center;
}

/* Floating sticker accents */
.mockup__sticker {
  position: absolute;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 12px 14px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}

.mockup__sticker--top {
  top: -22px;
  right: 6%;
  transform: rotate(2deg);
}

.mockup__sticker--bottom {
  bottom: -24px;
  left: 4%;
  transform: rotate(-2deg);
}

.mockup__sticker .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-ink);
}

/* ===== Process step ===== */
.step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: var(--sp-5);
  padding: var(--sp-6) 0;
  border-bottom: 1px solid var(--color-border);
}

.step:last-child { border-bottom: 0; }

.step__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  padding-top: 4px;
}

.step h4 {
  font-size: var(--fs-lg);
  margin: 0 0 var(--sp-3);
  letter-spacing: -0.015em;
  font-weight: 500;
}

.step p {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== Industry cards ===== */
.industry {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  min-height: 220px;
  transition: border-color var(--dur-base) var(--ease-out),
    background-color var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}

.industry:hover {
  border-color: var(--color-ink);
  background: var(--color-bg-alt);
  transform: translateY(-2px);
}

.industry__icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--color-ink);
}

.industry__icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

.industry h4 {
  font-size: var(--fs-md);
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.industry p {
  font-size: var(--fs-sm);
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== KPI strip ===== */
.kpi {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.kpi__cell {
  padding: var(--sp-7) var(--sp-6);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.kpi__cell:last-child { border-right: 0; }

.kpi__value {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-invert-text);
  font-family: var(--font-display);
  line-height: 1;
  margin-bottom: var(--sp-3);
}

.kpi__label {
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-invert-muted);
}

/* ===== Geometric 3D-styled visual block ===== */
.geo-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  display: grid;
  place-items: center;
}

.geo-visual__cube {
  position: relative;
  width: 56%;
  aspect-ratio: 1 / 1;
  transform-style: preserve-3d;
  transform: rotateX(-25deg) rotateY(35deg);
}

.geo-visual__face {
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-ink);
  background: var(--color-bg);
  display: grid;
  place-items: center;
}

.geo-visual__face--front  { transform: translateZ(60px); }
.geo-visual__face--back   { transform: rotateY(180deg) translateZ(60px); background: var(--color-surface); }
.geo-visual__face--right  { transform: rotateY(90deg)  translateZ(60px); background: #ededed; }
.geo-visual__face--left   { transform: rotateY(-90deg) translateZ(60px); background: #f5f5f5; }
.geo-visual__face--top    { transform: rotateX(90deg)  translateZ(60px); background: #fafafa; }
.geo-visual__face--bottom { transform: rotateX(-90deg) translateZ(60px); background: #ededed; }

.geo-visual__label {
  position: absolute;
  bottom: var(--sp-5);
  left: var(--sp-5);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.geo-visual__corner {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-muted);
}

.geo-visual__corner--tr { top: var(--sp-4); right: var(--sp-4); }
.geo-visual__corner--bl { bottom: var(--sp-4); right: var(--sp-4); text-align: right; }

/* ===== Inline media object ===== */
.media-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-9);
  align-items: center;
}

.media-row p {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.media-row__visual {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  display: grid;
  place-items: center;
}