/* ==========================================================
   HEDA SHELVES | INSTALLATION VIDEO PAGE
   2026 RESPONSIVE RECONSTRUCTION

   - 7 original installation videos
   - Original Alibaba MP4 URLs and poster images
   - Video-first layout, no large hero section
   - Desktop / Tablet / Mobile
   - Native HEDA inquiry popup

   Scoped to: #heda-installation-video-2026
========================================================== */

#heda-installation-video-2026 {
  --iv-primary: #165cc7;
  --iv-primary-dark: #10479e;
  --iv-navy: #192c3b;
  --iv-ink: #263743;
  --iv-muted: #657481;
  --iv-line: #dfe7ed;
  --iv-soft: #f4f7fa;
  --iv-white: #ffffff;

  width: 100%;
  margin: 0;
  padding: 0;
  background: #fff;
  color: var(--iv-ink);
  font: 15px/1.75 Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#heda-installation-video-2026,
#heda-installation-video-2026 * {
  box-sizing: border-box;
}

#heda-installation-video-2026 .iv-container {
  width: calc(100% - 44px);
  max-width: 1200px;
  margin: 0 auto;
}

#heda-installation-video-2026 section {
  margin: 0;
}

#heda-installation-video-2026 h2,
#heda-installation-video-2026 h3,
#heda-installation-video-2026 p,
#heda-installation-video-2026 figure {
  margin: 0;
  padding: 0;
}

#heda-installation-video-2026 h2 {
  color: var(--iv-ink);
  font-size: clamp(25px, 3vw, 35px);
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: -.6px;
}

#heda-installation-video-2026 h3 {
  color: var(--iv-ink);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

#heda-installation-video-2026 p {
  color: var(--iv-muted);
  line-height: 1.8;
}

#heda-installation-video-2026 a {
  text-decoration: none;
}

#heda-installation-video-2026 a:focus-visible {
  outline: 3px solid #86b3fb;
  outline-offset: 3px;
}

/* ==========================================================
   01. COMPACT CATEGORY NAVIGATION
========================================================== */

#heda-installation-video-2026 .iv-top {
  padding: 20px 0 0;
}

#heda-installation-video-2026 .iv-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--iv-line);
}

#heda-installation-video-2026 .iv-topbar strong {
  color: var(--iv-navy);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
}

#heda-installation-video-2026 .iv-topbar span {
  color: var(--iv-muted);
  font-size: 11px;
}

#heda-installation-video-2026 .iv-category-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 19px 0 24px;
}

#heda-installation-video-2026 .iv-category-nav a {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 10px 15px;
  background: var(--iv-soft);
  border: 1px solid var(--iv-line);
  border-radius: 4px;
  color: var(--iv-ink);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  transition: all .2s ease;
}

#heda-installation-video-2026 .iv-category-nav a:first-child {
  background: var(--iv-primary);
  border-color: var(--iv-primary);
  color: #fff;
}

#heda-installation-video-2026 .iv-category-nav a:hover {
  background: var(--iv-navy);
  border-color: var(--iv-navy);
  color: #fff;
}

#heda-installation-video-2026 .iv-category-nav small {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  background: rgba(83, 114, 148, .10);
  border-radius: 3px;
  color: inherit;
  font-size: 10px;
  font-weight: 800;
}

/* ==========================================================
   02. SECTION HEADINGS
========================================================== */

#heda-installation-video-2026 .iv-section {
  padding: 32px 0 67px;
  scroll-margin-top: 90px;
}

#heda-installation-video-2026 .iv-section-alt {
  padding-top: 65px;
  background: var(--iv-soft);
}

#heda-installation-video-2026 .iv-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--iv-primary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.25px;
  line-height: 1.5;
  text-transform: uppercase;
}

#heda-installation-video-2026 .iv-eyebrow:before {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  flex: 0 0 24px;
  background: currentColor;
}

#heda-installation-video-2026 .iv-section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 25px;
  margin-bottom: 26px;
}

#heda-installation-video-2026 .iv-section-heading h2 {
  margin: 0;
}

#heda-installation-video-2026 .iv-section-heading p {
  max-width: 390px;
  font-size: 13px;
}

#heda-installation-video-2026 .iv-section-divider {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
}

#heda-installation-video-2026 .iv-section-divider span {
  flex: 0 0 auto;
  color: var(--iv-primary);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.2px;
}

#heda-installation-video-2026 .iv-section-divider:after {
  content: "";
  display: block;
  height: 1px;
  flex: 1;
  background: var(--iv-line);
}

/* ==========================================================
   03. RESPONSIVE VIDEO CARD SYSTEM
========================================================== */

#heda-installation-video-2026 .iv-video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 20px;
}

#heda-installation-video-2026 .iv-video-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--iv-line);
  border-radius: 5px;
  transition: border-color .2s ease,
              box-shadow .2s ease,
              transform .2s ease;
}

#heda-installation-video-2026 .iv-video-card:hover {
  border-color: #bdd0e6;
  box-shadow: 0 9px 25px rgba(25, 44, 59, .07);
  transform: translateY(-2px);
}

#heda-installation-video-2026 .iv-video-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #142331;
}

#heda-installation-video-2026 .iv-video-player video {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  background: #142331;
  object-fit: contain;
}

#heda-installation-video-2026 .iv-card-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
  padding: 22px 22px 23px;
}

#heda-installation-video-2026 .iv-card-content small {
  display: block;
  margin-bottom: 10px;
  color: var(--iv-primary);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.5;
}

#heda-installation-video-2026 .iv-card-content h3 {
  font-size: 18px;
  line-height: 1.38;
}

#heda-installation-video-2026 .iv-card-content p {
  margin-top: 10px;
  font-size: 12px;
}

#heda-installation-video-2026 .iv-card-footer {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: auto;
  padding-top: 18px;
  color: #7e8d98;
  font-size: 11px;
}

#heda-installation-video-2026 .iv-card-footer:before {
  content: "";
  display: block;
  width: 16px;
  height: 2px;
  background: var(--iv-primary);
}

/* ==========================================================
   04. FEATURED PALLET RACKING VIDEO
========================================================== */

#heda-installation-video-2026 .iv-featured {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(0, .84fr);
  align-items: stretch;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--iv-line);
  border-radius: 5px;
}

#heda-installation-video-2026 .iv-featured .iv-video-player {
  height: 100%;
  min-height: 340px;
  aspect-ratio: auto;
}

#heda-installation-video-2026 .iv-featured-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: clamp(28px, 3.5vw, 45px);
  background: var(--iv-navy);
}

#heda-installation-video-2026 .iv-featured-copy .iv-eyebrow {
  color: #bad5ff;
}

#heda-installation-video-2026 .iv-featured-copy h3 {
  margin-bottom: 17px;
  color: #fff;
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.2;
}

#heda-installation-video-2026 .iv-featured-copy p {
  color: #d6e3eb;
  font-size: 13px;
}

#heda-installation-video-2026 .iv-feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 23px;
}

#heda-installation-video-2026 .iv-feature-list span {
  padding: 7px 10px;
  border: 1px solid rgba(255,255,255,.24);
  color: #eff5f9;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .4px;
}

/* ==========================================================
   05. INSTALLATION SUPPORT NOTE
========================================================== */

#heda-installation-video-2026 .iv-support {
  padding: 58px 0 65px;
  border-top: 1px solid var(--iv-line);
}

#heda-installation-video-2026 .iv-support-grid {
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr);
  gap: 20px;
  align-items: stretch;
}

#heda-installation-video-2026 .iv-support-lead {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 3.6vw, 43px);
  background: var(--iv-soft);
  border: 1px solid var(--iv-line);
}

#heda-installation-video-2026 .iv-support-lead h2 {
  margin-bottom: 17px;
}

#heda-installation-video-2026 .iv-support-lead p {
  font-size: 14px;
}

#heda-installation-video-2026 .iv-support-points {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 19px 28px;
  border: 1px solid var(--iv-line);
  background: #fff;
}

#heda-installation-video-2026 .iv-support-point {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 13px;
  padding: 16px 0;
  border-bottom: 1px solid var(--iv-line);
}

#heda-installation-video-2026 .iv-support-point:last-child {
  border-bottom: 0;
}

#heda-installation-video-2026 .iv-support-point > span {
  color: var(--iv-primary);
  font-size: 12px;
  font-weight: 800;
}

#heda-installation-video-2026 .iv-support-point h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

#heda-installation-video-2026 .iv-support-point p {
  font-size: 12px;
}

/* ==========================================================
   06. NATIVE INQUIRY CTA
========================================================== */

#heda-installation-video-2026 .iv-cta {
  padding: 69px 0;
  background: var(--iv-navy);
  border-top: 5px solid var(--iv-primary);
}

#heda-installation-video-2026 .iv-cta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 39px;
}

#heda-installation-video-2026 .iv-cta .iv-eyebrow {
  color: #bdd6ff;
}

#heda-installation-video-2026 .iv-cta h2 {
  margin-bottom: 16px;
  color: #fff;
}

#heda-installation-video-2026 .iv-cta p {
  max-width: 740px;
  color: #d8e4eb;
  font-size: 14px;
}

#heda-installation-video-2026 a.iv-inquiry-button {
  display: inline-flex !important;
  position: relative;
  align-items: center;
  justify-content: center;
  width: auto !important;
  min-width: 215px;
  min-height: 55px;
  margin: 0 !important;
  padding: 15px 28px !important;
  background: var(--iv-primary) !important;
  border: 1px solid var(--iv-primary) !important;
  border-radius: 3px !important;
  box-shadow: none !important;
  color: #fff !important;
  font: 800 12px/1.5 Arial,Helvetica,sans-serif !important;
  text-align: center;
  text-decoration: none !important;
  letter-spacing: .7px;
  cursor: pointer;
}

#heda-installation-video-2026 a.iv-inquiry-button:hover {
  background: var(--iv-primary-dark) !important;
  border-color: var(--iv-primary-dark) !important;
  color: #fff !important;
}

#heda-installation-video-2026 a.iv-inquiry-button:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

/* ==========================================================
   TABLET: TWO-COLUMN VIDEOS
========================================================== */

@media (max-width: 1024px) {

  #heda-installation-video-2026 .iv-video-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 17px;
  }

  /* Keep last shelf card centered and aligned
     when three videos form a two-column grid. */
  #heda-installation-video-2026 .iv-shelf-grid .iv-video-card:last-child {
    grid-column: 1 / -1;
    width: calc(50% - 8.5px);
    justify-self: center;
  }

  #heda-installation-video-2026 .iv-featured-copy {
    padding: 28px 25px;
  }

  #heda-installation-video-2026 .iv-featured .iv-video-player {
    min-height: 300px;
  }
}

/* ==========================================================
   MOBILE: SINGLE-COLUMN VIDEOS
========================================================== */

@media (max-width: 767px) {

  #heda-installation-video-2026 {
    font-size: 14px;
  }

  #heda-installation-video-2026 .iv-container {
    width: calc(100% - 32px);
  }

  #heda-installation-video-2026 h2 {
    font-size: 26px;
  }

  #heda-installation-video-2026 .iv-top {
    padding-top: 10px;
  }

  #heda-installation-video-2026 .iv-topbar {
    padding-bottom: 13px;
  }

  #heda-installation-video-2026 .iv-category-nav {
    gap: 8px;
    padding: 14px 0 19px;
  }

  #heda-installation-video-2026 .iv-category-nav a {
    padding: 9px 12px;
    font-size: 11px;
  }

  #heda-installation-video-2026 .iv-section {
    padding: 21px 0 45px;
  }

  #heda-installation-video-2026 .iv-section-alt {
    padding-top: 45px;
  }

  #heda-installation-video-2026 .iv-section-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 22px;
  }

  #heda-installation-video-2026 .iv-section-heading p {
    max-width: 100%;
  }

  #heda-installation-video-2026 .iv-video-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  #heda-installation-video-2026 .iv-shelf-grid .iv-video-card:last-child {
    grid-column: auto;
    width: 100%;
    justify-self: stretch;
  }

  #heda-installation-video-2026 .iv-card-content {
    padding: 19px 20px 21px;
  }

  #heda-installation-video-2026 .iv-card-content h3 {
    font-size: 18px;
  }

  #heda-installation-video-2026 .iv-featured {
    grid-template-columns: 1fr;
  }

  #heda-installation-video-2026 .iv-featured .iv-video-player {
    width: 100%;
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  #heda-installation-video-2026 .iv-featured-copy {
    padding: 30px 23px;
  }

  #heda-installation-video-2026 .iv-featured-copy h3 {
    font-size: 25px;
  }

  #heda-installation-video-2026 .iv-support {
    padding: 46px 0;
  }

  #heda-installation-video-2026 .iv-support-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  #heda-installation-video-2026 .iv-support-lead {
    padding: 27px 23px;
  }

  #heda-installation-video-2026 .iv-support-points {
    padding: 12px 22px;
  }

  #heda-installation-video-2026 .iv-cta {
    padding: 49px 0;
  }

  #heda-installation-video-2026 .iv-cta-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  #heda-installation-video-2026 a.iv-inquiry-button {
    width: 100% !important;
  }
}

@media (max-width: 420px) {

  #heda-installation-video-2026 .iv-topbar {
    gap: 5px;
  }

  #heda-installation-video-2026 .iv-category-nav {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
  }

  #heda-installation-video-2026 .iv-category-nav a {
    justify-content: space-between;
    min-width: 0;
    font-size: 10px;
  }
}