html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

.overview-system-section,
.dcp-section {
  --sdp-deep: #004339;
  --sdp-green: #005b4c;
  --sdp-leaf: #087a67;
  --sdp-lime: #bddb35;
  position: relative;
  container-type: inline-size;
  margin: clamp(42px, 5.2vw, 82px) 0;
  padding: clamp(24px, 3.2vw, 48px);
  border: 1px solid var(--rule);
  background: #f8fbf8;
  box-shadow: 0 18px 40px rgba(0, 67, 57, .08);
}

.overview-system-section::before,
.dcp-section::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background: linear-gradient(90deg, var(--sdp-green) 0 68%, #9cbe9d 68% 90%, var(--sdp-lime) 90% 100%);
}

.sdp-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 370px);
  gap: clamp(18px, 4vw, 68px);
  align-items: end;
  margin-bottom: clamp(18px, 2.2vw, 30px);
}

.sdp-number {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 9px;
  color: var(--sdp-leaf);
  font: 700 11px/1 var(--sans);
  letter-spacing: .13em;
  text-transform: uppercase;
}

.sdp-number::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--sdp-lime);
}

.sdp-heading h2 {
  max-width: 1100px;
  margin: 0 0 7px;
  color: var(--sdp-deep);
  font: 700 clamp(30px, 3.5vw, 60px)/1.04 var(--sans);
  letter-spacing: -.052em;
}

.sdp-heading p {
  max-width: 920px;
  margin: 0;
  color: var(--muted);
  font: 500 clamp(14px, 1.15vw, 18px)/1.5 var(--sans);
}

.sdp-side-note {
  margin: 0;
  padding: 8px 0 8px 17px;
  border-left: 3px solid var(--sdp-lime);
  color: #476b5d;
  font: 600 clamp(12px, .94vw, 14px)/1.5 var(--sans);
}

.sdp-side-note strong {
  display: block;
  margin-bottom: 3px;
  color: var(--sdp-green);
  font: 700 10px/1.25 var(--sans);
  letter-spacing: .11em;
  text-transform: uppercase;
}

.osd-viewer-shell {
  position: relative;
  display: grid;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(69, 104, 92, .25);
  background: #ecf2ee;
  box-shadow: 0 13px 30px rgba(0, 67, 57, .07);
}

.osd-toolbar {
  position: absolute;
  z-index: 5;
  top: 15px;
  right: 15px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px;
  border: 1px solid rgba(0, 67, 57, .16);
  border-radius: 999px;
  background: rgba(251, 252, 248, .96);
  box-shadow: 0 10px 24px rgba(0, 67, 57, .12);
}

.osd-tool {
  display: inline-grid;
  min-width: 35px;
  height: 35px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 9px;
  color: var(--sdp-green);
  background: transparent;
  font: 700 16px/1 var(--sans);
  cursor: pointer;
  transition: transform 170ms cubic-bezier(.22, 1, .36, 1), background 170ms ease, border-color 170ms ease;
}

.osd-tool[data-osd-zoom-label] {
  min-width: 48px;
  color: #5b7268;
  font-size: 10px;
  pointer-events: none;
}

.osd-tool:hover,
.osd-tool:focus-visible {
  border-color: #9ec4ad;
  background: #eaf5ef;
  outline: none;
  transform: translateY(-1px);
}

.osd-viewport {
  position: relative;
  display: grid;
  min-height: 0;
  height: 100%;
  place-items: center;
  overflow: hidden;
  touch-action: none;
  cursor: grab;
  user-select: none;
}

.osd-viewport.is-dragging {
  cursor: grabbing;
}

.osd-image {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform-origin: center center;
  will-change: transform;
  user-select: none;
  -webkit-user-drag: none;
}

.osd-help {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 12px 0 0;
  color: #667b71;
  font: 600 11px/1.45 var(--sans);
}

.osd-help span::before {
  display: inline-block;
  margin-right: 6px;
  color: var(--sdp-leaf);
  font-weight: 700;
  content: ">";
}

.osd-viewer-shell:fullscreen {
  display: grid;
  width: 100vw;
  height: 100vh;
  padding: clamp(18px, 2.8vw, 42px);
  background: #ecf2ee;
}

.osd-viewer-shell.is-expanded {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  width: 100vw;
  height: 100vh;
  padding: clamp(18px, 2.7vw, 44px);
  background: #ecf2ee;
}

.osd-viewer-shell:fullscreen .osd-viewport {
  min-height: 0;
  height: 100%;
}

.osd-viewer-shell.is-expanded .osd-viewport {
  min-height: 0;
  height: 100%;
}

.osd-viewer-shell:fullscreen .osd-help {
  display: none;
}

body.overview-expanded { overflow: hidden; }

.dcp-section {
  margin-top: clamp(46px, 6vw, 94px);
  overflow: hidden;
  overflow: clip;
}

.dcp-shell {
  position: relative;
}

.dcp-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(69, 104, 92, .26);
  background: #edf3ee;
  box-shadow: 0 16px 34px rgba(0, 67, 57, .08);
}

.dcp-track {
  display: flex;
  width: 100%;
  height: 100%;
  transform: translate3d(0, 0, 0);
  transition: transform 560ms cubic-bezier(.22, 1, .36, 1);
  will-change: transform;
}

.dcp-slide {
  display: grid;
  min-width: 100%;
  height: 100%;
  grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(8px, 1.1vw, 16px);
  padding: clamp(16px, 2.15vw, 32px) clamp(20px, 3vw, 48px) clamp(16px, 2.3vw, 34px);
  background: #fbfcf8;
}

.dcp-slide-head {
  display: flex;
  min-width: 0;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-right: clamp(210px, 15vw, 250px);
}

.dcp-slide-kicker {
  flex: 0 0 auto;
  margin: 0;
  color: var(--sdp-leaf);
  font: 700 clamp(8px, .72vw, 11px)/1.2 var(--sans);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.dcp-slide h3 {
  min-width: 0;
  margin: 0;
  color: var(--sdp-deep);
  font: 700 clamp(16px, 1.55vw, 27px)/1.14 var(--sans);
  letter-spacing: -.035em;
}

.dcp-image-stage {
  display: grid;
  min-height: 0;
  place-items: center;
  overflow: hidden;
  border-top: 1px solid #d7e2da;
}

.dcp-image-stage img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.dcp-arrow,
.dcp-fullscreen {
  position: absolute;
  z-index: 5;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(0, 91, 76, .24);
  color: #003d34;
  background: #fbfdfa;
  box-shadow: 0 12px 28px rgba(0, 67, 57, .14);
  cursor: pointer;
  transition: transform 180ms cubic-bezier(.22, 1, .36, 1), border-color 180ms ease, background 180ms ease, opacity 180ms ease;
}

.dcp-arrow {
  top: 50%;
  width: clamp(42px, 4vw, 58px);
  height: clamp(42px, 4vw, 58px);
  border-radius: 999px;
  font: 400 clamp(30px, 2.8vw, 44px)/1 var(--sans);
  transform: translateY(-50%);
}

.dcp-arrow.prev { left: clamp(-25px, -1.45vw, -11px); }
.dcp-arrow.next { right: clamp(-25px, -1.45vw, -11px); }
.dcp-fullscreen { top: 13px; right: 13px; width: 38px; height: 38px; border-radius: 999px; font: 700 16px/1 var(--sans); }

.dcp-arrow:hover:not([disabled]),
.dcp-arrow:focus-visible,
.dcp-fullscreen:hover,
.dcp-fullscreen:focus-visible {
  border-color: #4c947e;
  background: #eaf5ef;
  outline: none;
  transform: translateY(-50%) scale(1.055);
}

.dcp-fullscreen:hover,
.dcp-fullscreen:focus-visible { transform: scale(1.06); }
.dcp-arrow[disabled] { visibility: hidden; opacity: 0; pointer-events: none; }

.dcp-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: clamp(14px, 1.8vw, 24px);
}

.dcp-status {
  min-width: 40px;
  color: #496a5d;
  font: 700 12px/1 var(--mono);
  text-align: right;
}

.dcp-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 7px;
}

.dcp-dot {
  display: inline-grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border: 0;
  border-radius: 999px;
  padding: 0;
  background: transparent;
  cursor: pointer;
}

.dcp-dot::before {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #a1b8ad;
  box-shadow: 0 0 0 3px rgba(8, 122, 103, .07);
  content: "";
  transition: width 200ms cubic-bezier(.22, 1, .36, 1), background 200ms ease, box-shadow 200ms ease;
}

.dcp-dot:hover::before,
.dcp-dot:focus-visible::before { background: #4a8a75; }
.dcp-dot:focus-visible { outline: 2px solid #78a68d; outline-offset: 2px; }
.dcp-dot.is-active::before { width: 24px; background: var(--sdp-green); box-shadow: 0 0 0 4px rgba(0, 91, 76, .09); }

.dcp-shell:fullscreen {
  display: grid;
  width: 100vw;
  height: 100vh;
  align-content: center;
  padding: clamp(32px, 4.2vw, 70px);
  background: #edf3ee;
}

.dcp-shell.is-expanded {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  width: 100vw;
  height: 100vh;
  align-content: center;
  padding: clamp(32px, 4.2vw, 70px);
  background: #edf3ee;
}

.dcp-shell:fullscreen .dcp-frame,
.dcp-shell.is-expanded .dcp-frame { width: min(100%, 1600px); max-height: calc(100vh - 170px); margin-inline: auto; }
.dcp-shell:fullscreen .dcp-footer { margin-top: 14px; }
.dcp-shell.is-expanded .dcp-footer { margin-top: 14px; }

@container (max-width: 900px) {
  .sdp-heading { grid-template-columns: 1fr; gap: 13px; }
  .sdp-side-note { max-width: 700px; }
}

@container (max-width: 700px) {
  .overview-system-section,
  .dcp-section { padding: 22px 14px 18px; }
  .sdp-heading h2 { font-size: clamp(28px, 8.7vw, 42px); }
  .osd-viewer-shell { aspect-ratio: 4 / 3; }
  .osd-toolbar { top: 10px; right: 10px; gap: 3px; padding: 4px; }
  .osd-tool { min-width: 32px; height: 32px; font-size: 15px; }
  .dcp-frame { aspect-ratio: 4 / 3; }
  .dcp-slide { padding: 14px 19px 18px; }
  .dcp-slide-head { align-items: flex-start; flex-direction: column; gap: 5px; padding: 42px 0 0; }
  .dcp-slide h3 { font-size: clamp(16px, 5vw, 22px); }
  .dcp-arrow { top: auto; bottom: 10px; width: 40px; height: 40px; font-size: 30px; transform: none; }
  .dcp-arrow.prev { left: 11px; }
  .dcp-arrow.next { right: 11px; }
  .dcp-arrow:hover:not([disabled]),
  .dcp-arrow:focus-visible { transform: scale(1.045); }
  .dcp-footer { gap: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  .osd-tool,
  .dcp-track,
  .dcp-arrow,
  .dcp-fullscreen,
  .dcp-dot::before { transition: none !important; }
}