/* Презентация услуги лазерного сканирования — extends v3 style.css */

.page-lidar {
  --pres-block-h: clamp(540px, 72vh, 660px);
  --pres-body-size: calc(clamp(0.9375rem, 0.86rem + 0.42vw, 1.125rem) - 2pt);
  --pres-feather: 5%;
  --pres-text-inset: 6%;
}

.page-lidar #lidar-hero {
  min-height: 50vh;
  padding: 0 4vw;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  position: relative;
  isolation: isolate;
  border-bottom: var(--rule);
}

.page-lidar #lidar-hero .hero__topbar {
  padding-top: 3vh;
}

.page-lidar #lidar-hero .hero__headline {
  font-size: clamp(4.5vw, 7vw, 9vw);
}

.page-lidar #lidar-hero .hero__sub {
  padding-bottom: 2.5vh;
}

.page-lidar #lidar-hero .hero__geometry canvas {
  width: min(100vw, 720px);
  height: min(100vw, 720px);
  max-height: 50vh;
}

.page-lidar .section-title,
.page-lidar .pres-block__title {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.lidar-intro {
  padding: 5vh 4vw 4vh;
  border-bottom: var(--rule);
}

.lidar-intro__text {
  font-family: var(--mono);
  font-size: var(--pres-body-size);
  line-height: 1.7;
  color: var(--text-gray);
  max-width: 52rem;
  margin: 0;
}

.lidar-blocks {
  display: flex;
  flex-direction: column;
}

/* ─── Диагональные блоки: фон на весь блок + текст в затемнённой зоне ─── */
.pres-block {
  position: relative;
  height: var(--pres-block-h);
  border-bottom: var(--rule);
  overflow: hidden;
  isolation: isolate;
  /* Диагональ: (cut-top, 0) → (cut-bottom, 100%) */
  --pres-cut-top: 42%;
  --pres-cut-bottom: 52%;
  /* Ширина колонки — по узкой стороне трапеции, чтобы не залезать на диагональ */
  --pres-text-w: calc(min(var(--pres-cut-top), var(--pres-cut-bottom)) - var(--pres-text-inset));
}

.pres-block--reverse {
  --pres-cut-top: 58%;
  --pres-cut-bottom: 48%;
  --pres-text-w: calc(100% - max(var(--pres-cut-top), var(--pres-cut-bottom)) - var(--pres-text-inset));
}

.lidar-blocks .pres-block:nth-child(1) { --pres-cut-top: 44%; --pres-cut-bottom: 56%; }
.lidar-blocks .pres-block:nth-child(2) { --pres-cut-top: 56%; --pres-cut-bottom: 44%; }
.lidar-blocks .pres-block:nth-child(3) { --pres-cut-top: 42%; --pres-cut-bottom: 54%; }
.lidar-blocks .pres-block:nth-child(4) { --pres-cut-top: 58%; --pres-cut-bottom: 42%; }
.lidar-blocks .pres-block:nth-child(5) { --pres-cut-top: 46%; --pres-cut-bottom: 58%; }
.lidar-blocks .pres-block:nth-child(6) { --pres-cut-top: 54%; --pres-cut-bottom: 46%; }

/* Фоновое изображение на весь блок */
.pres-block__picture {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
}

.pres-block__picture img,
.pres-block__bg {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Диагональное затемнение — текстовая сторона */
.pres-block__shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: rgba(10, 10, 10, 0.94);
}

.pres-block:not(.pres-block--reverse) .pres-block__shade {
  clip-path: polygon(
    0 0,
    calc(var(--pres-cut-top) + var(--pres-feather)) 0,
    calc(var(--pres-cut-bottom) + var(--pres-feather)) 100%,
    0 100%
  );
}

.pres-block--reverse .pres-block__shade {
  clip-path: polygon(
    calc(var(--pres-cut-top) - var(--pres-feather)) 0,
    100% 0,
    100% 100%,
    calc(var(--pres-cut-bottom) - var(--pres-feather)) 100%
  );
}

/* Мягкий переход изображения в темноту по диагонали */
.pres-block__shade::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    transparent 0%,
    rgba(10, 10, 10, 0.55) 45%,
    rgba(10, 10, 10, 0.88) 100%
  );
}

.pres-block:not(.pres-block--reverse) .pres-block__shade::before {
  clip-path: polygon(
    calc(var(--pres-cut-top) - var(--pres-feather)) 0,
    calc(var(--pres-cut-top) + var(--pres-feather) * 2) 0,
    calc(var(--pres-cut-bottom) + var(--pres-feather) * 2) 100%,
    calc(var(--pres-cut-bottom) - var(--pres-feather)) 100%
  );
}

.pres-block--reverse .pres-block__shade::before {
  background: linear-gradient(
    to left,
    transparent 0%,
    rgba(10, 10, 10, 0.55) 45%,
    rgba(10, 10, 10, 0.88) 100%
  );
  clip-path: polygon(
    calc(var(--pres-cut-top) - var(--pres-feather) * 2) 0,
    calc(var(--pres-cut-top) + var(--pres-feather)) 0,
    calc(var(--pres-cut-bottom) + var(--pres-feather)) 100%,
    calc(var(--pres-cut-bottom) - var(--pres-feather) * 2) 100%
  );
}

.pres-block__content {
  position: absolute;
  inset: 0;
  z-index: 2;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 2.5vh 4vw 3vh;
  min-width: 0;
  overflow-x: hidden;
  overflow-y: visible;
}

/* Текст не шире узкой части трапеции */
.pres-block__content > * {
  width: 100%;
  max-width: var(--pres-text-w);
  min-width: 0;
  box-sizing: border-box;
}

/* Зона текста — трапеция с отступом от диагонали */
.pres-block:not(.pres-block--reverse) .pres-block__content {
  padding-right: calc(var(--pres-text-inset) + 1vw);
  clip-path: polygon(
    0 0,
    calc(var(--pres-cut-top) - var(--pres-text-inset)) 0,
    calc(var(--pres-cut-bottom) - var(--pres-text-inset)) 100%,
    0 100%
  );
}

.pres-block--reverse .pres-block__content {
  align-items: flex-end;
  padding-left: calc(var(--pres-text-inset) + 1vw);
  clip-path: polygon(
    calc(var(--pres-cut-top) + var(--pres-text-inset)) 0,
    100% 0,
    100% 100%,
    calc(var(--pres-cut-bottom) + var(--pres-text-inset)) 100%
  );
}

.pres-block::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: var(--gradient-accent);
  clip-path: polygon(
    calc(var(--pres-cut-top) - 0.32%) 0,
    calc(var(--pres-cut-top) + 0.32%) 0,
    calc(var(--pres-cut-bottom) + 0.32%) 100%,
    calc(var(--pres-cut-bottom) - 0.32%) 100%
  );
}

/* Технический штрих — со стороны изображения */
.pres-block:not(.pres-block--reverse)::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: rgba(220, 38, 38, 0.45);
  clip-path: polygon(
    calc(var(--pres-cut-top) + 2.8%) 0,
    calc(var(--pres-cut-top) + 3.25%) 0,
    calc(var(--pres-cut-bottom) + 3.25%) 100%,
    calc(var(--pres-cut-bottom) + 2.8%) 100%
  );
}

.pres-block--reverse::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: rgba(220, 38, 38, 0.45);
  clip-path: polygon(
    calc(var(--pres-cut-top) - 3.25%) 0,
    calc(var(--pres-cut-top) - 2.8%) 0,
    calc(var(--pres-cut-bottom) - 2.8%) 100%,
    calc(var(--pres-cut-bottom) - 3.25%) 100%
  );
}

/* Уголки текстовой панели */
.pres-block__content::before,
.pres-block__content::after {
  content: '';
  position: absolute;
  width: 2rem;
  height: 2rem;
  pointer-events: none;
  opacity: 0.55;
}

.pres-block:not(.pres-block--reverse) .pres-block__content::before {
  top: 1.75rem;
  left: 1.25rem;
  border-top: 1px solid var(--accent-red);
  border-left: 1px solid var(--accent-red);
}

.pres-block:not(.pres-block--reverse) .pres-block__content::after {
  bottom: 1.75rem;
  left: calc(var(--pres-text-w) - 2rem);
  right: auto;
  border-bottom: 1px solid rgba(249, 115, 22, 0.7);
  border-right: 1px solid rgba(249, 115, 22, 0.7);
}

.pres-block--reverse .pres-block__content::before {
  top: 1.75rem;
  right: 1.25rem;
  border-top: 1px solid var(--accent-red);
  border-right: 1px solid var(--accent-red);
}

.pres-block--reverse .pres-block__content::after {
  bottom: 1.75rem;
  right: calc(var(--pres-text-w) - 2rem);
  left: auto;
  border-bottom: 1px solid rgba(249, 115, 22, 0.7);
  border-left: 1px solid rgba(249, 115, 22, 0.7);
}

.pres-block__num {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.pres-block__title {
  font-family: var(--condensed);
  font-size: clamp(1.45rem, 2.4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.02em;
  margin: 0;
  overflow-wrap: anywhere;
}

.pres-block__text {
  font-family: var(--mono);
  font-size: var(--pres-body-size);
  line-height: 1.58;
  color: var(--text-gray);
  margin: 0;
  overflow-wrap: anywhere;
}

.pres-block__list {
  font-family: var(--mono);
  font-size: var(--pres-body-size);
  line-height: 1.58;
  color: var(--text-gray);
  margin: 0;
  padding-left: 1.1rem;
  overflow-wrap: anywhere;
}

.pres-block__list li + li {
  margin-top: 0.35rem;
}

/* §05 — плотнее, чтобы характеристики влезали в блок */
.lidar-blocks .pres-block:nth-child(5) .pres-block__content {
  gap: 0.45rem;
  padding-top: 2vh;
  padding-bottom: 2.5vh;
}

.lidar-blocks .pres-block:nth-child(5) .pres-block__title {
  font-size: clamp(1.35rem, 2.1vw, 2rem);
}

.lidar-blocks .pres-block:nth-child(5) .pres-block__specs {
  gap: 0.35rem 0.55rem;
  margin-top: 0;
}

.lidar-blocks .pres-block:nth-child(5) .pres-spec {
  padding: 0.4rem 0.55rem;
}

.lidar-blocks .pres-block:nth-child(5) .pres-spec__val {
  font-size: clamp(1rem, 1.4vw, 1.25rem);
}

.lidar-blocks .pres-block:nth-child(5) .pres-spec__label {
  font-size: 0.65rem;
}

.pres-block__specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem 0.75rem;
  margin-top: 0.25rem;
}

.pres-spec {
  border: var(--rule-thin);
  padding: 0.55rem 0.75rem;
  min-width: 0;
  background: rgba(10, 10, 10, 0.45);
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
}

.pres-block--reverse .pres-spec {
  clip-path: polygon(4% 0, 100% 0, 100% 100%, 0 100%);
}

.pres-spec__val {
  display: block;
  font-family: var(--condensed);
  font-size: clamp(1.1rem, 1.6vw, 1.45rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 0.15rem;
}

.pres-spec__label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.pres-block__caption {
  position: absolute;
  bottom: 0;
  z-index: 4;
  padding: 0.65rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  pointer-events: none;
}

.pres-block:not(.pres-block--reverse) .pres-block__caption {
  right: 0;
  left: var(--pres-cut-bottom);
  text-align: right;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.55), transparent);
}

.pres-block--reverse .pres-block__caption {
  left: 0;
  right: calc(100% - var(--pres-cut-bottom));
  text-align: left;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.55), transparent);
}

.lidar-cta {
  position: relative;
  z-index: 1001;
  isolation: isolate;
  background: var(--primary-bg);
  padding: 8vh 4vw 10vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.lidar-cta__title {
  font-family: var(--condensed);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.05;
  margin: 0;
  max-width: 20ch;
}

.lidar-cta__text {
  font-family: var(--mono);
  font-size: var(--pres-body-size);
  line-height: 1.7;
  color: var(--text-gray);
  margin: 0;
  max-width: 40rem;
}

.lidar-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
  position: relative;
  z-index: 1;
}

.lidar-cta__actions .btn {
  position: relative;
  z-index: 1;
  isolation: isolate;
}

@media (max-width: 900px) {
  .page-lidar {
    --pres-body-size: calc(clamp(1rem, 4.4vw, 1.125rem) - 2pt);
  }

  .page-lidar #lidar-hero .hero__tagline {
    font-size: clamp(0.94rem, 4vw, 1.08rem);
    line-height: 1.55;
  }

  .lidar-intro {
    padding: 4vh 5vw 3.5vh;
  }

  .lidar-intro__text {
    max-width: none;
    line-height: 1.68;
  }

  /* Мобильный стек: текст → изображение, без наложения и внутреннего скролла */
  .pres-block {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    height: auto;
    min-height: 0;
    overflow: visible;
  }

  .pres-block__picture {
    position: relative;
    inset: auto;
    grid-row: 2;
    grid-column: 1;
    z-index: 0;
    width: 100%;
    height: clamp(220px, 50vw, 320px);
    min-height: 220px;
  }

  .pres-block__shade {
    display: none;
  }

  .pres-block__title {
    font-size: clamp(1.5rem, 5.2vw, 2rem);
  }

  .pres-block__text,
  .pres-block__list {
    line-height: 1.62;
  }

  .pres-block,
  .pres-block--reverse {
    --pres-text-w: 100%;
  }

  .pres-block:not(.pres-block--reverse) .pres-block__content,
  .pres-block--reverse .pres-block__content {
    position: relative;
    grid-row: 1;
    grid-column: 1;
    inset: auto;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    width: 100%;
    max-width: none;
    max-height: none;
    overflow: visible;
    overscroll-behavior: auto;
    clip-path: none;
    align-items: flex-start;
    padding: 1.75rem 5vw 1.5rem;
    background: var(--primary-bg);
    border-bottom: var(--rule-thin);
    touch-action: auto;
  }

  .pres-block--reverse .pres-block__content {
    padding-left: 5vw;
    padding-right: 5vw;
  }

  .pres-block__content > * {
    max-width: 100%;
  }

  .pres-block::before,
  .pres-block::after {
    display: none;
  }

  .pres-block:not(.pres-block--reverse) .pres-block__caption,
  .pres-block--reverse .pres-block__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    z-index: 2;
    text-align: left;
    font-size: 0.72rem;
    background: linear-gradient(to top, rgba(10, 10, 10, 0.82), transparent);
  }

  .pres-block__content::before,
  .pres-block__content::after {
    width: 1.5rem;
    height: 1.5rem;
  }

  .pres-block:not(.pres-block--reverse) .pres-block__content::before {
    top: 1.25rem;
    left: 1rem;
  }

  .pres-block:not(.pres-block--reverse) .pres-block__content::after {
    right: 1rem;
    left: auto;
    bottom: 1rem;
  }

  .pres-block--reverse .pres-block__content::before {
    top: 1.25rem;
    right: 1rem;
  }

  .pres-block--reverse .pres-block__content::after {
    left: 1rem;
    right: auto;
    bottom: 1rem;
    border-left: 1px solid rgba(249, 115, 22, 0.7);
    border-right: none;
  }

  .lidar-blocks .pres-block:nth-child(5) .pres-block__content {
    padding-top: 1.75rem;
    padding-bottom: 1.5rem;
  }

  .pres-block__specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pres-spec__label {
    font-size: 0.72rem;
  }

  .pres-spec,
  .pres-block--reverse .pres-spec {
    clip-path: none;
  }

  .lidar-cta {
    padding: 7vh 5vw 9vh;
  }

  .lidar-cta__text {
    max-width: none;
    line-height: 1.68;
  }

  .lidar-cta__actions {
    width: 100%;
  }

  .lidar-cta__actions .btn {
    flex: 1 1 auto;
    min-width: min(100%, 14rem);
    text-align: center;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .page-lidar {
    --pres-body-size: calc(1.125rem - 2pt);
  }

  .page-lidar #lidar-hero .hero__headline {
    font-size: clamp(11vw, 13vw, 15vw);
  }

  .pres-block__picture {
    height: clamp(200px, 56vw, 280px);
    min-height: 200px;
  }

  .pres-block:not(.pres-block--reverse) .pres-block__content,
  .pres-block--reverse .pres-block__content {
    padding: 1.5rem 5vw 1.25rem;
  }

  .pres-block__title {
    font-size: clamp(1.45rem, 6vw, 1.85rem);
  }

  .lidar-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .lidar-cta__actions .btn {
    width: 100%;
    min-width: 0;
  }
}