/* Styles specific to the installation service page. Shared components live in ../style.css. */

.installation-hero {
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: 150px 0 100px;
  color: #fff;
  text-align: center;
  background:
    linear-gradient(rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.78)),
    var(--installation-hero-image, url('../assets/images/montazh-ruberoidnoi-pokrivli-hero.webp')) center / cover;
}

.installation-page[data-service="repair"],
.installation-page[data-service="replacement"] {
  --installation-hero-image: url('../assets/images/hero-roof.webp');
}

.installation-page[data-service="foundation"] {
  --installation-hero-image: url('../assets/images/hidroizolyatsiya-fundamentu-hero.png');
}

.installation-page[data-service="foundation"] .installation-hero {
  background-position: 65% center;
}

.installation-hero__content {
  max-width: 960px;
}

.installation-eyebrow {
  margin-bottom: 20px;
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
}

.installation-hero h1 {
  max-width: 920px;
  margin: 0 auto;
  font-size: clamp(44px, 5.1vw, 72px);
  line-height: 1.05;
  letter-spacing: -1.8px;
}

.installation-hero__text {
  max-width: 760px;
  margin: 26px auto 34px;
  color: #ddd;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.65;
}

.installation-intro,
.installation-benefits {
  padding: 120px 0;
  background: #fff;
}

.installation-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.installation-heading,
.installation-copy {
  min-width: 0;
}

.installation-heading h2 {
  max-width: 650px;
  margin: 0;
  color: #111;
  font-size: clamp(42px, 5vw, 76px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -2px;
}

.installation-copy {
  max-width: 650px;
}

.installation-copy p {
  margin: 0 0 28px;
  color: #555;
  font-size: 18px;
  line-height: 1.75;
}

.installation-copy p:last-child {
  margin-bottom: 0;
}

@media (min-width: 901px) {
  .installation-page[data-service="foundation"] .installation-intro .installation-split {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: clamp(64px, 7vw, 112px);
  }

  .installation-page[data-service="foundation"] .installation-intro .installation-heading h2 {
    max-width: 500px;
    font-size: clamp(42px, 4.4vw, 68px);
  }

  .installation-page[data-service="replacement"] .installation-intro .installation-split {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(48px, 6vw, 96px);
  }

  .installation-page[data-service="replacement"] .installation-intro .installation-heading h2 {
    max-width: min(100%, 540px);
    font-size: clamp(48px, 5vw, 68px);
    line-height: 1.02;
  }
}

.installation-objects {
  padding: 120px 0;
  color: #fff;
  background: var(--color-dark);
}

.installation-objects h2 {
  max-width: 760px;
  color: #fff;
  font-size: clamp(40px, 4.6vw, 68px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -1.8px;
}

.installation-objects .service-grid-title {
  max-width: 100%;
  margin-inline: auto;
  text-align: center;
  font-size: clamp(32px, 3.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -1.1px;
  text-wrap: balance;
}

.installation-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 54px;
}

/* Six-card service pages use wider cards without changing the installation page grid. */
.installation-page[data-service="repair"] .installation-grid,
.installation-page[data-service="foundation"] .installation-grid,
.installation-page[data-service="replacement"] .installation-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 310px;
  gap: 22px;
}

.installation-page[data-service="repair"] .installation-object-card,
.installation-page[data-service="foundation"] .installation-object-card,
.installation-page[data-service="replacement"] .installation-object-card {
  height: 100%;
  min-height: 0;
}

.installation-object-card {
  display: flex;
  min-width: 0;
  min-height: 270px;
  flex-direction: column;
  justify-content: flex-start;
  padding: 32px 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.installation-object-icon {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  color: var(--color-accent);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: color 0.3s ease, transform 0.3s ease;
}

.installation-object-card h3 {
  margin: 26px 0 13px;
  color: #fff;
  font-size: 20px;
  line-height: 1.25;
}

.installation-object-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  line-height: 1.65;
}

.installation-object-card:hover {
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-5px);
}

.installation-object-card:hover .installation-object-icon {
  color: #fff;
  transform: translateY(-2px);
}

.installation-benefits {
  background: var(--color-page-background);
}

.installation-benefits .installation-split {
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(48px, 6vw, 88px);
  align-items: center;
}

.installation-benefits .installation-heading h2 {
  max-width: 560px;
  font-size: clamp(42px, 4.1vw, 60px);
  line-height: 1.04;
  letter-spacing: -1.4px;
}

.installation-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(30px, 4vw, 56px);
  max-width: none;
  margin: 0;
  list-style: none;
}

.installation-list li {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  padding: 21px 0;
  border-bottom: 1px solid #d8d8d8;
  color: #333;
  font-size: 17px;
  line-height: 1.55;
}

.installation-list li::before {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  margin: 8px 12px 0 0;
  border-radius: 50%;
  background: var(--color-accent);
  content: '';
}

.foundation-showcase {
  padding: 120px 0;
  overflow: hidden;
  background: #fff;
}

.foundation-showcase__heading {
  max-width: 700px;
  margin-bottom: 48px;
}

.foundation-showcase__eyebrow {
  margin: 0 0 14px;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.foundation-showcase__heading h2 {
  margin: 0;
  color: #111;
  font-size: clamp(40px, 4.2vw, 60px);
  line-height: 1.04;
  letter-spacing: -1.4px;
}

.foundation-showcase__heading > p:last-child {
  max-width: 620px;
  margin: 18px 0 0;
  color: #555;
  font-size: 17px;
  line-height: 1.65;
}

.foundation-showcase__rail {
  display: grid;
  grid-template-columns: minmax(0, 2.8fr) repeat(3, minmax(0, 1fr));
  gap: 14px;
  height: clamp(380px, 29vw, 420px);
}

.foundation-showcase__item {
  position: relative;
  min-width: 0;
  height: 100%;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 18px;
  background: #111;
}

button.foundation-showcase__item {
  cursor: zoom-in;
}

.foundation-showcase__item img,
.foundation-showcase__video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.foundation-showcase__item--main img {
  object-position: 50% 58%;
}

.foundation-showcase__video {
  object-position: center;
}

@media (hover: hover) {
  .foundation-showcase__item:hover img,
  .foundation-showcase__video-card:hover .foundation-showcase__video {
    transform: scale(1.02);
  }
}

.foundation-showcase__item:focus-visible,
.foundation-showcase__video-control:focus-visible,
.foundation-lightbox__close:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.foundation-showcase__video-control {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 10px;
  padding: 20px;
  border: 0;
  background: rgba(0, 0, 0, 0.22);
  color: #fff;
  cursor: pointer;
  font: inherit;
  text-align: center;
  transition: background 0.25s ease, opacity 0.2s ease;
}

.foundation-showcase__video-control:hover {
  background: rgba(0, 0, 0, 0.36);
}

.foundation-showcase__video-control[hidden] {
  display: none;
}

.foundation-showcase__play {
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
}

.foundation-showcase__play svg {
  width: 23px;
  height: 23px;
  fill: currentColor;
}

.foundation-showcase__video-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.4;
}

.foundation-showcase__video-caption {
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
}

.foundation-showcase__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.foundation-lightbox {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 36px;
  background: rgba(0, 0, 0, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 10050;
}

.foundation-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.foundation-lightbox__image {
  display: block;
  max-width: min(1300px, 100%);
  max-height: calc(100vh - 72px);
  border-radius: 18px;
  object-fit: contain;
  transform: scale(0.98);
  transition: transform 0.25s ease;
}

.foundation-lightbox.is-open .foundation-lightbox__image {
  transform: scale(1);
}

.foundation-lightbox__close {
  position: absolute;
  top: 18px;
  right: 22px;
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 0;
  background: transparent;
  color: #fff;
  cursor: pointer;
}

.foundation-lightbox__close svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

.installation-cta {
  padding: 120px 0;
}

.installation-cta h2 {
  font-size: clamp(40px, 4.5vw, 58px);
  line-height: 1.05;
}

.installation-page-is-ready [data-installation-reveal] {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(.22, 1, .36, 1);
}

.installation-page-is-ready [data-installation-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .installation-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .installation-page[data-service="repair"] .installation-grid,
  .installation-page[data-service="foundation"] .installation-grid,
  .installation-page[data-service="replacement"] .installation-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 300px;
  }
}

@media (max-width: 900px) {
  .installation-hero {
    min-height: calc(100svh - 76px);
    padding: 100px 0 80px;
  }

  .installation-intro,
  .installation-benefits,
  .installation-objects,
  .foundation-showcase,
  .installation-cta {
    padding: 90px 0;
  }

  .installation-split {
    grid-template-columns: minmax(0, 1fr);
  }

  .installation-heading h2 {
    max-width: 680px;
  }

  .installation-copy {
    max-width: 680px;
  }
}

@media (max-width: 767px) {
  .installation-benefits .installation-split {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: stretch;
  }

  .installation-benefits .installation-heading h2 {
    max-width: 100%;
    margin-bottom: 0;
    font-size: clamp(36px, 9vw, 48px);
    line-height: 1.02;
    letter-spacing: -1px;
    text-wrap: balance;
  }

  .installation-benefits .installation-list {
    display: block;
    width: 100%;
    max-width: none;
  }

  .installation-benefits .installation-list li {
    padding: 20px 0;
    font-size: 16px;
    line-height: 1.55;
  }

  .installation-page-is-ready .installation-benefits [data-installation-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .foundation-showcase__rail {
    height: 360px;
  }
}

@media (max-width: 600px) {
  .installation-hero {
    padding: 82px 0 70px;
  }

  .installation-eyebrow {
    margin-bottom: 16px;
    font-size: 11px;
    letter-spacing: 1.4px;
  }

  .installation-hero h1,
  .installation-heading h2 {
    letter-spacing: -1.2px;
  }

  .installation-hero h1 {
    font-size: clamp(38px, 10.4vw, 48px);
  }

  .installation-hero__text {
    margin: 22px auto 30px;
    font-size: 16px;
  }

  .installation-intro,
  .installation-benefits,
  .installation-objects,
  .foundation-showcase,
  .installation-cta {
    padding: 70px 0;
  }

  .installation-heading h2 {
    font-size: clamp(38px, 10.5vw, 48px);
  }

  .installation-copy p {
    font-size: 16px;
    line-height: 1.65;
  }

  .installation-copy p {
    margin-bottom: 22px;
  }

  .installation-objects h2 {
    font-size: clamp(37px, 10vw, 47px);
    letter-spacing: -1.2px;
  }

  .installation-grid {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 40px;
  }

  .installation-page[data-service="repair"] .installation-grid,
  .installation-page[data-service="foundation"] .installation-grid,
  .installation-page[data-service="replacement"] .installation-grid {
    grid-template-columns: minmax(0, 1fr);
    grid-auto-rows: 310px;
  }

  .installation-object-card {
    min-height: 240px;
    padding: 28px 24px;
  }

  .installation-benefits .installation-split {
    gap: 40px;
  }

  .installation-benefits .installation-heading h2 {
    max-width: 100%;
    font-size: clamp(36px, 9vw, 48px);
    line-height: 1.02;
    letter-spacing: -1px;
    text-wrap: balance;
  }

  .installation-list {
    display: block;
  }

  .installation-list li {
    padding: 20px 0;
    font-size: 16px;
  }

  .installation-cta h2 {
    font-size: clamp(38px, 10vw, 48px);
  }
}

@media (max-width: 767px) {
  .foundation-showcase__heading {
    margin-bottom: 32px;
  }

  .foundation-showcase__heading h2 {
    font-size: clamp(36px, 9vw, 48px);
    line-height: 1.05;
    letter-spacing: -1px;
  }

  .foundation-showcase__heading > p:last-child {
    margin-top: 14px;
    font-size: 16px;
  }

  .foundation-showcase__rail {
    display: flex;
    height: auto;
    margin-right: -5vw;
    padding: 0 5vw 6px 0;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 12px;
    scroll-snap-type: x mandatory;
    scroll-padding-left: 0;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .foundation-showcase__rail::-webkit-scrollbar {
    display: none;
  }

  .foundation-showcase__item {
    flex: 0 0 min(88vw, 360px);
    height: min(76vw, 340px);
    scroll-snap-align: start;
  }

  .foundation-lightbox {
    padding: 20px;
  }

  .foundation-lightbox__image {
    max-height: calc(100vh - 40px);
    border-radius: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .installation-page-is-ready [data-installation-reveal],
  .installation-page-is-ready [data-installation-reveal].is-visible,
  .installation-object-card,
  .foundation-showcase__item img,
  .foundation-showcase__video,
  .foundation-lightbox,
  .foundation-lightbox__image {
    opacity: 1;
    transform: none;
    transition: none;
  }
}