/* ==========================================================================
   PAGE - Betonska baza  (body[data-service="betonska-baza"])
   Ink-on-paper technical drawings, typographic strength scale.
   ========================================================================== */

/* mono labels keep unit case (m³, m³/h) */
.nocase {
  text-transform: none;
  letter-spacing: 0.04em;
}

/* 01 - Hero ---------------------------------------------------------------- */
.bb-hero__title {
  font-size: clamp(2.5rem, 1.2rem + 3.6vw, 4.5rem);
}
.bb-hero .page-hero__media {
  position: relative;
}
.bb-hero__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  display: grid;
  gap: 6px;
  padding: 16px 20px 18px;
  background: var(--ink);
  color: #a3a29b;
  border-radius: 0 var(--r-xs) 0 var(--r-xs);
}
.bb-hero__tag strong {
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: 680;
  font-size: 1.375rem;
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--paper);
}
@media (max-width: 699px) {
  .bb-hero__tag {
    padding: 12px 14px;
  }
  .bb-hero__tag strong {
    font-size: 1.125rem;
  }
  .bb-hero .page-hero__actions .btn {
    width: 100%;
  }
}

/* 02 - Strength scale ------------------------------------------------------ */
.bb-classes__legend {
  line-height: 1.9;
}
.mb-scale__head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ink);
  color: var(--fg);
}
.mb-scale__head > span:last-child {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.mb-scale__arrow svg {
  width: 16px;
  height: 16px;
}

.mb-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 16px var(--gap);
  align-items: end;
  padding: clamp(28px, 3vw, 40px) 0 clamp(28px, 3vw, 40px);
  border-bottom: 1px solid var(--line);
}
.mb-row__nums {
  display: flex;
  gap: clamp(24px, 3.4vw, 56px);
}
.mb-num {
  display: flex;
  flex-direction: column;
}
.mb-num__mb {
  color: var(--fg-faint);
  margin-bottom: 10px;
}
.mb-num__v {
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: var(--w, 600);
  font-size: clamp(3.5rem, 1.9rem + 4.6vw, 6.75rem);
  line-height: 0.84;
  letter-spacing: -0.045em;
  font-variant-numeric: tabular-nums;
  color: var(--fg);
}
.mb-num__v sup {
  font-size: 0.42em;
  vertical-align: top;
  position: relative;
  top: 0.08em;
  margin-left: 0.04em;
  color: var(--accent-deep);
  letter-spacing: 0;
  font-weight: 700;
}
.mb-num small {
  margin-top: 14px;
  color: var(--fg-muted);
  font-size: 0.6875rem;
}
.mb-row__title {
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: 650;
  font-size: clamp(1.25rem, 1.05rem + 0.6vw, 1.625rem);
  letter-spacing: -0.02em;
  line-height: 1.12;
  text-wrap: balance;
}
.mb-row__text {
  margin-top: 8px;
  color: var(--fg-muted);
  font-size: var(--fs-small);
  max-width: 38ch;
}
/* strength bar: proportional to class, drawn on reveal */
.mb-row__bar {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: calc(var(--s, 1) * 100%);
  background: var(--accent);
  transform-origin: left;
}
.js .mb-row__bar {
  transform: scaleX(0);
  transition: transform 1.4s var(--ease);
  transition-delay: calc(var(--d, 0ms) + 300ms);
}
.js .mb-row.is-in .mb-row__bar {
  transform: none;
}

@media (max-width: 699px) {
  .mb-scale__rows {
    display: grid;
    gap: 8px;
    margin-top: 12px;
  }
  .mb-row {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 22px 20px 24px;
    background: var(--surface);
    border: 0;
    border-radius: var(--r-xs);
    overflow: hidden;
  }
  .mb-scale__head {
    border-bottom: 0;
    padding-bottom: 0;
  }
}

/* special concretes + uses */
.bb-special {
  display: grid;
  gap: 28px var(--gap);
  margin-top: clamp(48px, 6vw, 88px);
}
.bb-special__label {
  grid-column: 1 / -1;
  color: var(--fg);
}
.bb-special__item {
  padding-top: 16px;
  border-top: 1px solid var(--ink);
}
.bb-special__title {
  margin-top: 14px;
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: 650;
  font-size: 1.25rem;
  letter-spacing: -0.015em;
  line-height: 1.15;
}
.bb-special__text {
  margin-top: 6px;
  color: var(--fg-muted);
  font-size: var(--fs-small);
  max-width: 30ch;
}
@media (min-width: 700px) {
  .bb-special {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.bb-uses {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 32px;
  margin-top: clamp(40px, 5vw, 64px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.bb-uses__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
}
.bb-uses__list li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: 600;
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.25rem);
  letter-spacing: -0.01em;
}
.bb-uses__list li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--ink);
  flex: none;
}

/* 03 - Capacity ------------------------------------------------------------ */
.bb-tbd {
  color: var(--fg-faint);
}
.bb-capacity .stat__num sup {
  font-size: 0.34em;
  letter-spacing: 0.01em;
}

/* 04 - Lab ----------------------------------------------------------------- */
.bb-lab {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
}
.bb-lab__head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}
.bb-lab__body {
  display: grid;
  gap: 24px;
  padding: clamp(20px, 2.4vw, 32px);
  align-items: center;
}
.bb-lab__specs .specs__row {
  padding: 13px 0;
}
@media (min-width: 700px) {
  .bb-lab__body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
}
@media (max-width: 699px) {
  .bb-lab__drawing {
    max-width: 320px;
    margin-inline: auto;
  }
}

/* 05 - Mixer drawing + delivery -------------------------------------------- */
.bb-mixer__frame {
  position: relative;
  padding: clamp(16px, 3vw, 40px) clamp(12px, 2.6vw, 36px)
    clamp(12px, 2vw, 24px);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(17, 17, 17, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(17, 17, 17, 0.045) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
  border-radius: var(--r-xs);
}
.bb-legend {
  display: none;
}
.bb-delivery .specs__row dd strong {
  font-size: 1.625rem;
}
.bb-calc {
  margin-top: 32px;
  padding: 20px 22px 22px;
  border: 1px solid var(--ink);
  border-radius: var(--r-xs);
}
.bb-calc__in {
  margin-top: 12px;
  color: var(--fg-muted);
  font-size: var(--fs-small);
}
.bb-calc__out {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: 700;
  font-size: clamp(1.625rem, 1.3rem + 1vw, 2.25rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.bb-calc__arrow {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: var(--r-xs);
}
.bb-calc__arrow svg {
  width: 18px;
  height: 18px;
}
@media (max-width: 1099px) {
  .bb-delivery {
    margin-top: 24px;
  }
}

.bb-flow {
  margin-top: clamp(72px, 9vw, 136px);
}
.bb-flow__label {
  margin-bottom: 24px;
  color: var(--fg);
}

/* Combine-with-pump panel */
.bb-combo {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr) auto;
  gap: 20px 24px;
  align-items: center;
  margin-top: clamp(64px, 8vw, 120px);
  padding: 16px;
  border-radius: var(--r-xs);
  overflow: hidden;
}
.bb-combo__media {
  border-radius: 0;
}
.bb-combo__title {
  margin-top: 8px;
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: 700;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.5rem);
  letter-spacing: -0.03em;
  line-height: 1;
}
.bb-combo__text {
  margin-top: 12px;
  color: var(--fg-muted);
  font-size: var(--fs-small);
  max-width: 56ch;
}
.bb-combo__figs {
  display: none;
}
.bb-combo .arrow-box {
  align-self: start;
}
@media (min-width: 900px) {
  .bb-combo {
    grid-template-columns: 200px minmax(0, 1fr) auto auto;
    gap: 40px;
    padding: 20px 28px 20px 20px;
  }
  .bb-combo__figs {
    display: flex;
    gap: 40px;
    padding-left: 40px;
    border-left: 1px solid var(--line);
    align-self: stretch;
    align-items: center;
  }
  .bb-combo__figs dt {
    color: var(--fg-faint);
  }
  .bb-combo__figs dd {
    margin-top: 6px;
    font-family: var(--font-display);
    font-stretch: 112%;
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: -0.03em;
    text-transform: none;
    color: var(--fg);
    white-space: nowrap;
  }
  .bb-combo .arrow-box {
    align-self: center;
  }
}
@media (max-width: 699px) {
  .bb-combo {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 12px 12px 24px;
  }
  .bb-combo__media {
    aspect-ratio: 16 / 9;
  }
  .bb-combo__body {
    padding-inline: 8px;
  }
  .bb-combo .arrow-box {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--ink);
  }
}

/* Technical drawings (ink on paper) ---------------------------------------- */
.draw-group svg {
  width: 100%;
  height: auto;
  overflow: visible;
  --sw: 1.6;
}
.draw-group .ln {
  fill: none;
  stroke: var(--ink);
  stroke-width: var(--sw);
  stroke-linejoin: round;
  stroke-linecap: round;
}
.draw-group .ln--bold {
  stroke-width: calc(var(--sw) * 1.35);
}
.draw-group .ln--thin {
  stroke-width: calc(var(--sw) * 0.7);
}
.draw-group .ln--faint {
  stroke: #8b8a83;
  stroke-width: calc(var(--sw) * 0.6);
}
.draw-group .ln--hidden {
  stroke: #8b8a83;
  stroke-width: calc(var(--sw) * 0.7);
  stroke-dasharray: 6 5;
}
.draw-group .ln--ground {
  stroke-width: calc(var(--sw) * 1.2);
}
.draw-group .fill-paper {
  fill: var(--paper);
}
.draw-group .fill-surface {
  fill: var(--white);
}
.draw-group .fill-shade {
  fill: var(--paper-3);
}
.draw-group .fill-ink {
  fill: var(--ink);
}
.draw-group .agg {
  fill: #8b8a83;
}
.draw-group .acc {
  fill: none;
  stroke: var(--accent);
  stroke-width: calc(var(--sw) * 1.7);
  stroke-linecap: square;
}
.draw-group .acc-fill {
  fill: var(--accent);
}
.draw-group .acc-dot {
  fill: var(--accent);
  stroke: var(--ink);
  stroke-width: 1.4;
}
.draw-group .tag-c {
  fill: var(--ink);
}
.draw-group .tag-n {
  fill: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
}
.draw-group .lb {
  fill: #5e5d57;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.12em;
}
.draw-group .lb--s {
  font-size: 13px;
}
.draw-group .big {
  fill: var(--ink);
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: 720;
  font-size: 52px;
  letter-spacing: -0.03em;
}
.draw-group .big--f {
  font-size: 40px;
  font-style: italic;
  font-weight: 500;
}
.bb-cube__svg .lb {
  font-size: 21px;
}
.bb-cube__svg {
  --sw: 2;
}

/* line-draw on reveal */
.draw-group .d1 {
  --gd: 0ms;
}
.draw-group .d2 {
  --gd: 220ms;
}
.draw-group .d3 {
  --gd: 440ms;
}
.draw-group .d4 {
  --gd: 620ms;
}
.draw-group .d5 {
  --gd: 820ms;
}
.draw-group .f1 {
  --gd: 500ms;
}
.draw-group .f2 {
  --gd: 1300ms;
}
.draw-group .f3 {
  --gd: 1600ms;
}
.draw-group .f4 {
  --gd: 1800ms;
}
.js .draw-group .d [pathLength]:not(.ln--hidden) {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 1.6s var(--ease-io);
  transition-delay: calc(var(--d, 0ms) + var(--gd, 0ms));
}
.js .is-in .draw-group .d [pathLength] {
  stroke-dashoffset: 0;
}
.js .draw-group .f,
.js .draw-group .ln--hidden,
.js .draw-group .agg,
.js .draw-group [class*="fill-"] {
  opacity: 0;
  transition: opacity 0.9s var(--ease);
  transition-delay: calc(var(--d, 0ms) + var(--gd, 0ms) + 200ms);
}
.js .is-in .draw-group .f,
.js .is-in .draw-group .ln--hidden,
.js .is-in .draw-group .agg,
.js .is-in .draw-group [class*="fill-"] {
  opacity: 1;
}

/* Mobile: thicker strokes, larger type, labels move into an HTML legend */
@media (max-width: 699px) {
  .draw-group svg {
    --sw: 3.2;
  }
  .bb-cube__svg {
    --sw: 3;
  }
  .bb-cube__svg .lb {
    font-size: 30px;
  }
  .bb-mixer__svg .lb:not(.lb--s),
  .bb-mixer__svg .lb--s {
    display: none;
  }
  .bb-mixer__svg .tag-c {
    r: 30px;
  }
  .bb-mixer__svg .tag-n {
    font-size: 30px;
  }
  .bb-mixer__svg .big {
    font-size: 96px;
  }
  .bb-mixer__frame {
    padding: 20px 10px 12px;
  }
  .bb-legend {
    display: grid;
    gap: 0;
    margin-top: 16px;
    border-top: 1px solid var(--line);
  }
  .bb-legend li {
    display: grid;
    grid-template-columns: 28px 1fr;
    gap: 12px;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
    font-size: var(--fs-small);
    color: var(--fg-muted);
  }
  .bb-legend .mono {
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    background: var(--ink);
    color: var(--paper);
    border-radius: 50%;
    letter-spacing: 0;
  }
}