.detail-hero { position: relative; min-height: 82svh; display: grid; align-items: end; overflow: hidden; color: #fff; }
.detail-hero > img, .detail-hero-overlay { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.detail-hero-overlay { background: linear-gradient(90deg, rgba(0,0,0,.78), rgba(0,0,0,.08)); }
.detail-hero-copy { position: relative; z-index: 2; max-width: 920px; padding: 140px clamp(20px, 7vw, 110px) 90px; }
.detail-hero-copy p { margin: 0 0 18px; color: #ff654d; font-size: .75rem; font-weight: 800; text-transform: uppercase; }
.detail-hero-copy h1 { margin: 0; font-size: clamp(3rem, 7vw, 7.2rem); font-weight: 560; line-height: .94; }
.detail-hero-copy span { display: block; max-width: 680px; margin-top: 25px; color: rgba(255,255,255,.84); font-size: clamp(1rem, 1.5vw, 1.2rem); }
.solution-index { position: sticky; z-index: 30; top: var(--header-height); display: flex; justify-content: center; gap: 2px; overflow-x: auto; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); padding: 0 18px; }
.solution-index a { flex: 0 0 auto; padding: 18px 20px; font-size: .76rem; font-weight: 700; }

.detail-band { min-height: 760px; display: grid; grid-template-columns: 1fr 1fr; background: var(--white); }
.detail-band.detail-reverse .detail-copy { order: 2; }
.detail-band > img { height: 100%; min-height: 760px; object-fit: cover; }
.detail-band > img.detail-device-image { padding: clamp(28px, 5vw, 76px); object-fit: contain; background: #f5f5f7; }
.detail-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(70px, 9vw, 140px); }
.detail-copy h2, .ecosystem-heading h2, .sensor-heading h2, .cinema-copy h2, .commercial-band h2, .detail-contact h2 { margin: 0; font-size: clamp(2.6rem, 5.5vw, 5.7rem); font-weight: 540; line-height: 1; }
.detail-copy > span, .ecosystem-heading > span, .sensor-heading > span, .commercial-band span, .detail-contact > span { display: block; max-width: 680px; margin-top: 26px; color: var(--muted); font-size: 1.02rem; line-height: 1.7; }
.detail-copy ul { display: grid; gap: 13px; margin: 32px 0 0; padding: 0; list-style: none; color: #353535; }
.detail-copy li { border-top: 1px solid var(--line); padding-top: 13px; font-size: .88rem; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.ecosystem-band { padding: clamp(86px, 10vw, 150px) clamp(20px, 7vw, 110px); background: var(--white); }
.ecosystem-heading { max-width: 980px; }
.ecosystem-heading .section-label { color: var(--red); }
.platform-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; margin-top: clamp(42px, 5vw, 74px); }
.platform-card { position: relative; min-height: 270px; display: flex; flex-direction: column; justify-content: space-between; gap: 24px; overflow: hidden; border: 1px solid rgba(0,0,0,.08); border-radius: 22px; padding: clamp(24px, 3vw, 34px); background: #fff; box-shadow: 0 18px 55px rgba(0,0,0,.045); transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease; }
.platform-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--red); opacity: 0; transition: opacity .28s ease; }
.platform-card:hover { transform: translateY(-6px); border-color: rgba(215,25,32,.28); box-shadow: 0 28px 78px rgba(0,0,0,.08); }
.platform-card:hover::before { opacity: 1; }
.platform-card img { width: 100%; height: 74px; object-fit: contain; object-position: left center; mix-blend-mode: multiply; }
.platform-card h3 { margin: auto 0 0; color: var(--black); font-size: clamp(1.15rem, 1.5vw, 1.45rem); font-weight: 760; letter-spacing: 0; }
.platform-card p { margin: 0; max-width: 360px; color: var(--muted); font-size: .94rem; line-height: 1.55; }
.platform-note { max-width: 860px; margin: clamp(36px, 5vw, 70px) auto 0; color: #1d1d1f; font-size: clamp(1.35rem, 2.2vw, 2.2rem); font-weight: 560; line-height: 1.18; text-align: center; }

.sensor-band { padding: clamp(48px, 6vw, 76px) clamp(20px, 7vw, 110px); background: #f5f5f7; color: var(--black); }
.sensor-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; }
.sensor-heading .section-label { margin: 0; color: var(--black); font-size: clamp(1.35rem, 2.2vw, 2rem); text-transform: none; }
.sensor-heading > span { margin: 0; color: var(--muted); font-size: .86rem; line-height: 1.4; }
.sensor-showcase { margin-top: 30px; border-radius: 24px; overflow: hidden; background: var(--white); box-shadow: 0 24px 70px rgba(0,0,0,.08); }
.sensor-showcase img { display: block; width: 100%; height: auto; }

.cinema-band { position: relative; min-height: 900px; display: grid; align-items: end; overflow: hidden; color: #fff; }
.cinema-band > img, .cinema-overlay { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cinema-overlay { background: linear-gradient(90deg, rgba(0,0,0,.88), rgba(0,0,0,.22)); }
.cinema-copy { position: relative; z-index: 2; max-width: 870px; padding: clamp(80px, 10vw, 150px) clamp(20px, 7vw, 110px); }
.cinema-copy > span { display: block; max-width: 700px; margin-top: 26px; color: #ccc; font-size: 1.02rem; line-height: 1.7; }
.cinema-points { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; margin-top: 34px; background: #555; }
.cinema-points span { background: rgba(0,0,0,.78); padding: 17px; font-size: .78rem; }
.optoma-logo { width: 170px; height: 70px; margin-top: 34px; padding: 10px; object-fit: contain; background: #fff; filter: grayscale(1); }

.commercial-band { min-height: 520px; display: flex; align-items: end; justify-content: space-between; gap: 50px; padding: clamp(80px, 10vw, 150px) clamp(20px, 7vw, 110px); background: var(--soft); }
.commercial-band > div { max-width: 890px; }
.commercial-band .button { flex: 0 0 auto; }
.detail-contact { min-height: 620px; display: grid; align-content: center; justify-items: center; padding: 90px 20px; background: var(--white); text-align: center; }
.tmt-lockup { width: 230px; height: 115px; margin-bottom: 30px; object-fit: contain; object-position: center; }
.detail-contact > span { margin-left: auto; margin-right: auto; }
.detail-contact > div { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 36px; }
.detail-email { border-color: var(--black); color: var(--black); }

@media (max-width: 900px) {
  .detail-band { grid-template-columns: 1fr; }
  .detail-band.detail-reverse .detail-copy { order: initial; }
  .detail-band > img { min-height: 60svh; }
  .platform-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .commercial-band { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 620px) {
  .detail-hero { min-height: 88svh; }
  .detail-hero-copy { padding-bottom: 60px; }
  .solution-index { justify-content: flex-start; }
  .detail-copy { padding: 78px 22px; }
  .platform-grid { grid-template-columns: 1fr; gap: 14px; }
  .platform-card { min-height: 220px; border-radius: 18px; }
  .platform-card img { height: 60px; }
  .platform-note { text-align: left; }
  .sensor-band { padding-left: 20px; padding-right: 20px; }
  .sensor-heading { display: block; padding-right: 20px; }
  .sensor-heading > span { display: block; margin-top: 7px; }
  .sensor-showcase { margin-right: 0; border-radius: 18px; overflow: hidden; }
  .sensor-showcase img { width: 100%; max-width: 100%; height: auto; }
  .cinema-band { min-height: 860px; }
  .cinema-points { grid-template-columns: 1fr; }
}