:root {
  --do-navy: #03283f;
  --do-deep: #02243a;
  --do-ink: #0b2a43;
  --do-red: #dc1e2b;
  --do-paper: #f8f7f3;
  --do-line: #d9d6cf;
  --do-copy: #354d60;
}

.do-page { width: 100%; overflow: hidden; color: var(--do-ink); background: var(--do-paper); font-family: Inter,Arial,sans-serif; }
.do-page *, .do-page *::before, .do-page *::after { box-sizing: border-box; }
.do-page img { display: block; max-width: none; }
.do-page svg { fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.do-symbols { position: absolute; width: 0; height: 0; overflow: hidden; }

/* 01 — hero */
.do-hero { position: relative; min-height: clamp(580px, calc(100vh - 76px), 880px); height: calc(100vh - 76px); overflow: hidden; isolation: isolate; color: #fff; background: var(--do-deep); display: flex; align-items: center; }
.do-hero-photo { position: absolute; z-index: -3; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 52% 53%; }
.do-hero {
  position: relative;
  min-height: clamp(560px, calc(100vh - 76px), 880px);
  height: calc(100vh - 76px);
  overflow: hidden;
  isolation: isolate;
  color: #ffffff;
  background: var(--do-deep);
  display: flex;
  align-items: center;
}

.do-hero-photo {
  position: absolute;
  z-index: -3;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  transform: scale(1.02);
  filter: contrast(1.05) saturate(1.05);
}

.do-hero-shade {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(1, 29, 47, 0.95) 0%, rgba(1, 31, 51, 0.85) 36%, rgba(1, 32, 51, 0.4) 66%, rgba(1, 31, 50, 0.1) 100%),
    linear-gradient(180deg, rgba(0, 20, 34, 0.25) 0%, transparent 40%, rgba(0, 25, 40, 0.2) 100%);
}

.do-hero-copy {
  position: relative;
  z-index: 2;
  width: min(92%, 1440px);
  max-width: 720px;
  margin-left: max(32px, calc((100% - 1440px) / 2));
  margin-top: 10px;
}

.do-hero h1 {
  margin: 0 0 16px;
  color: #ffffff;
  font-size: clamp(40px, 4.4vw, 70px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.06;
  text-transform: none;
}

.do-hero-lead {
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.55;
  max-width: 580px;
}

.do-outline-button {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  height: 50px;
  padding: 0 28px;
  border: 2px solid var(--do-red);
  background: rgba(1, 31, 49, 0.35);
  color: #ffffff;
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 4px;
  transition: all 0.25s ease;
}

.do-outline-button:hover {
  background: var(--do-red);
  color: #ffffff;
}

.do-outline-button span {
  font-size: 20px;
  font-weight: 300;
  transition: transform 0.25s ease;
}

.do-outline-button:hover span {
  transform: translateX(4px);
}

/* 02 — main discipline strip */
.do-process {
  min-height: 80px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: #fbfaf7;
  border-bottom: 1px solid var(--do-line);
}

.do-process-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 20px 12px;
  color: var(--do-ink);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.do-process-item svg {
  width: 32px;
  height: 32px;
  stroke: var(--do-ink);
  stroke-width: 1.6;
  fill: none;
}

.do-process-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 20%;
  right: 0;
  width: 1px;
  height: 60%;
  background: var(--do-line);
}

.do-workflow { height: calc(10.47 * var(--vln-activity-vw)); display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(2 * var(--vln-activity-vw)); align-items: center; padding: calc(.82 * var(--vln-activity-vw)) calc(2.48 * var(--vln-activity-vw)) calc(.9 * var(--vln-activity-vw)); background: var(--do-paper); }
.do-workflow-item { min-width: 0; display: grid; grid-template-columns: calc(4.9 * var(--vln-activity-vw)) 1fr; align-items: center; gap: calc(.94 * var(--vln-activity-vw)); }
.do-workflow-item svg { width: calc(4.52 * var(--vln-activity-vw)); height: calc(5.55 * var(--vln-activity-vw)); color: var(--do-red); stroke-width: 1.35; }
.do-workflow-item h2 { margin: 0 0 calc(.48 * var(--vln-activity-vw)); color: var(--do-red); font-size: calc(1.03 * var(--vln-activity-type-vw)); font-weight: 800; line-height: 1; text-transform: none; }
.do-workflow-item p { margin: 0; color: var(--do-copy); font-size: calc(.78 * var(--vln-activity-type-vw)); line-height: 1.42; }
.do-red-arrow { color: var(--do-red); font-size: calc(3.1 * var(--vln-activity-type-vw)); font-weight: 300; text-align: center; }

/* 03b — Yapı Malzemeleri & Yapı Güvenliği (Canlı HTML/CSS Tablosu) */
.do-matrix-section {
  min-height: auto;
  height: auto;
  width: 100%;
  padding: calc(2 * var(--vln-activity-vw)) calc(1.9 * var(--vln-activity-vw));
  background: linear-gradient(180deg, #001628 0%, #001f38 50%, #00182c 100%);
  border-top: 1px solid #143d60;
  border-bottom: 1px solid #143d60;
  box-sizing: border-box;
}
.do-matrix-frame {
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 35% 65%;
  gap: calc(1.4 * var(--vln-activity-vw));
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
  box-sizing: border-box;
  color: #ffffff;
}

/* Sol Panel */
.do-matrix-left {
  position: relative;
  border-radius: calc(.6 * var(--vln-activity-vw));
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #01182c;
  display: flex;
  flex-direction: column;
}
.do-matrix-left-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}
.do-matrix-left-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
  filter: saturate(0.85);
}
.do-matrix-left-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: calc(1.5 * var(--vln-activity-vw));
  box-sizing: border-box;
}
.do-matrix-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #e05530;
  font-size: calc(.65 * var(--vln-activity-type-vw));
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: calc(.8 * var(--vln-activity-vw));
}
.do-kicker-bar {
  width: 18px;
  height: 3px;
  background: #e05530;
  display: inline-block;
  border-radius: 2px;
}
.do-matrix-title {
  color: #ffffff;
  font-size: calc(1.75 * var(--vln-activity-type-vw));
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 calc(.7 * var(--vln-activity-vw));
}
.do-matrix-lead {
  color: #a6c0d4;
  font-size: calc(.75 * var(--vln-activity-type-vw));
  line-height: 1.5;
  margin: 0 0 calc(1.4 * var(--vln-activity-vw));
}
.do-matrix-approach {
  margin-bottom: calc(1.5 * var(--vln-activity-vw));
}
.do-approach-label {
  display: block;
  font-size: calc(.6 * var(--vln-activity-type-vw));
  font-weight: 700;
  color: #8da9be;
  letter-spacing: 0.06em;
  margin-bottom: calc(.4 * var(--vln-activity-vw));
}
.do-approach-pills {
  display: flex;
  flex-wrap: wrap;
  gap: calc(.4 * var(--vln-activity-vw));
}
.do-app-pill {
  padding: calc(.35 * var(--vln-activity-vw)) calc(.8 * var(--vln-activity-vw));
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 24, 44, 0.55);
  color: #e8f1f8;
  font-size: calc(.55 * var(--vln-activity-type-vw));
  font-weight: 700;
  letter-spacing: 0.04em;
}
.do-matrix-accreditations {
  display: flex;
  flex-direction: column;
  gap: calc(.7 * var(--vln-activity-vw));
  margin-top: auto;
  padding-top: calc(1.2 * var(--vln-activity-vw));
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.do-accred-item {
  display: flex;
  align-items: center;
  gap: calc(.6 * var(--vln-activity-vw));
}
.do-accred-item svg {
  width: calc(1.3 * var(--vln-activity-vw));
  height: calc(1.3 * var(--vln-activity-vw));
  color: #ffffff;
  flex-shrink: 0;
}
.do-accred-item strong {
  display: block;
  color: #ffffff;
  font-size: calc(.68 * var(--vln-activity-type-vw));
  font-weight: 700;
  line-height: 1.2;
}
.do-accred-item small {
  color: #8da9be;
  font-size: calc(.6 * var(--vln-activity-type-vw));
  line-height: 1.2;
}
.do-matrix-left-footer {
  margin-top: calc(1 * var(--vln-activity-vw));
  padding-top: calc(.7 * var(--vln-activity-vw));
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.do-matrix-left-footer span {
  color: #698ba4;
  font-size: calc(.5 * var(--vln-activity-type-vw));
  letter-spacing: 0.04em;
  font-weight: 600;
}

/* Sağ Panel */
.do-matrix-right {
  display: flex;
  flex-direction: column;
  gap: calc(1 * var(--vln-activity-vw));
  min-width: 0;
}
.do-matrix-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: calc(.6 * var(--vln-activity-vw));
}
.do-matrix-subkicker {
  color: #e05530;
  font-size: calc(.62 * var(--vln-activity-type-vw));
  font-weight: 800;
  letter-spacing: 0.08em;
}
.do-matrix-mainhead {
  color: #ffffff;
  font-size: calc(1.4 * var(--vln-activity-type-vw));
  font-weight: 800;
  margin: calc(.2 * var(--vln-activity-vw)) 0;
}
.do-matrix-sublead {
  color: #a6c0d4;
  font-size: calc(.72 * var(--vln-activity-type-vw));
  margin: 0;
}
.do-matrix-block {
  position: relative;
  background: rgba(0, 18, 34, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: calc(.55 * var(--vln-activity-vw));
  padding: calc(.85 * var(--vln-activity-vw));
  overflow: hidden;
}
.do-block-watermark {
  position: absolute;
  top: 4px;
  right: 12px;
  font-size: calc(4.5 * var(--vln-activity-type-vw));
  font-weight: 900;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.do-block-head {
  margin-bottom: calc(.6 * var(--vln-activity-vw));
}
.do-block-tag {
  color: #e05530;
  font-size: calc(.62 * var(--vln-activity-type-vw));
  font-weight: 800;
  letter-spacing: 0.06em;
}
.do-block-head p {
  color: #a6c0d4;
  font-size: calc(.68 * var(--vln-activity-type-vw));
  margin: 2px 0 0;
}
.do-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: calc(.65 * var(--vln-activity-vw));
}
.do-cards-safety {
  grid-template-columns: 1fr 1.3fr;
}
.do-test-card {
  background: rgba(1, 25, 45, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: calc(.45 * var(--vln-activity-vw));
  padding: calc(.75 * var(--vln-activity-vw));
  display: flex;
  flex-direction: column;
  gap: calc(.5 * var(--vln-activity-vw));
}
.do-card-top {
  display: flex;
  align-items: center;
  gap: calc(.4 * var(--vln-activity-vw));
}
.do-card-code {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: calc(.58 * var(--vln-activity-type-vw));
  font-weight: 800;
  padding: 2px 5px;
  border-radius: 3px;
}
.do-card-title {
  color: #ffffff;
  font-size: calc(.72 * var(--vln-activity-type-vw));
  font-weight: 700;
  margin: 0;
  flex: 1;
}
.do-card-badge {
  background: rgba(224, 85, 48, 0.15);
  border: 1px solid rgba(224, 85, 48, 0.4);
  color: #e05530;
  font-size: calc(.52 * var(--vln-activity-type-vw));
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 10px;
}
.do-test-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: calc(.35 * var(--vln-activity-vw));
}
.do-test-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: calc(.2 * var(--vln-activity-vw)) 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
  font-size: calc(.62 * var(--vln-activity-type-vw));
}
.do-test-list li:last-child {
  border-bottom: none;
}
.do-t-name {
  color: #c0d4e4;
}
.do-t-std {
  color: #8da9be;
  font-size: calc(.55 * var(--vln-activity-type-vw));
  font-weight: 600;
  background: rgba(0, 16, 30, 0.4);
  padding: 2px 5px;
  border-radius: 3px;
  white-space: nowrap;
}
.do-card-note {
  font-size: calc(.55 * var(--vln-activity-type-vw));
  color: #7b9cb4;
  font-style: italic;
  margin-top: auto;
  padding-top: 4px;
}
.do-card-desc {
  color: #a6c0d4;
  font-size: calc(.65 * var(--vln-activity-type-vw));
  line-height: 1.45;
  margin: 0;
}
.do-safety-levels {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  font-size: calc(.55 * var(--vln-activity-type-vw));
  color: #7b9cb4;
  margin-top: auto;
  padding-top: 4px;
}
.do-safety-levels span {
  color: #c0d4e4;
}
.do-rights-block {
  margin-top: calc(.4 * var(--vln-activity-vw));
  padding-top: calc(.4 * var(--vln-activity-vw));
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.do-rights-title {
  display: block;
  color: #8da9be;
  font-size: calc(.55 * var(--vln-activity-type-vw));
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: calc(.4 * var(--vln-activity-vw));
}
.do-rights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: calc(.4 * var(--vln-activity-vw));
}
.do-right-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: calc(.58 * var(--vln-activity-type-vw));
  color: #c0d4e4;
}
.do-right-item svg {
  width: calc(.9 * var(--vln-activity-vw));
  height: calc(.9 * var(--vln-activity-vw));
  color: #e05530;
  flex-shrink: 0;
}
.do-rights-note {
  margin-top: calc(.4 * var(--vln-activity-vw));
  font-size: calc(.5 * var(--vln-activity-type-vw));
  color: #698ba4;
}

/* Alt Süreç Şeridi */
.do-matrix-process {
  background: rgba(0, 18, 34, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: calc(.55 * var(--vln-activity-vw));
  padding: calc(.75 * var(--vln-activity-vw)) calc(.9 * var(--vln-activity-vw));
}
.do-proc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: calc(.6 * var(--vln-activity-vw));
  gap: calc(.8 * var(--vln-activity-vw));
}
.do-proc-kicker {
  color: #e05530;
  font-size: calc(.62 * var(--vln-activity-type-vw));
  font-weight: 800;
  letter-spacing: 0.06em;
}
.do-proc-meta {
  color: #8da9be;
  font-size: calc(.6 * var(--vln-activity-type-vw));
}
.do-proc-meta strong {
  color: #ffffff;
  margin-right: 4px;
}
.do-proc-steps {
  display: flex;
  align-items: center;
  gap: calc(.5 * var(--vln-activity-vw));
}
.do-proc-step {
  flex: 1;
  background: rgba(1, 25, 45, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: calc(.45 * var(--vln-activity-vw));
  padding: calc(.5 * var(--vln-activity-vw)) calc(.65 * var(--vln-activity-vw));
  display: flex;
  align-items: center;
  gap: calc(.5 * var(--vln-activity-vw));
}
.do-proc-num {
  width: calc(1.3 * var(--vln-activity-vw));
  height: calc(1.3 * var(--vln-activity-vw));
  border-radius: 4px;
  border: 1px solid #366085;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(.65 * var(--vln-activity-type-vw));
  font-weight: 800;
  color: #ffffff;
  flex-shrink: 0;
}
.do-proc-step strong {
  display: block;
  color: #ffffff;
  font-size: calc(.65 * var(--vln-activity-type-vw));
  font-weight: 700;
}
.do-proc-step p {
  color: #8da9be;
  font-size: calc(.55 * var(--vln-activity-type-vw));
  margin: 0;
}
.do-proc-arrow {
  color: #366085;
  font-size: calc(1 * var(--vln-activity-type-vw));
  font-weight: 700;
  user-select: none;
}

/* 04 — laboratory */
.do-lab { min-height: calc(46.28 * var(--vln-activity-vw)); height: auto; padding: calc(.92 * var(--vln-activity-vw)) calc(1.9 * var(--vln-activity-vw)) calc(1.05 * var(--vln-activity-vw)); background: var(--do-paper); }
.do-lab-frame { min-height: calc(44 * var(--vln-activity-vw)); height: auto; display: grid; grid-template-columns: 45.2% 54.8%; overflow: hidden; border: 1px solid #d8d4cc; border-radius: calc(1.02 * var(--vln-activity-vw)); background: #f6f4f1; }
.do-lab-main { width: 100%; height: 100%; object-fit: cover; object-position: 48% center; }
.do-lab-rows { min-width: 0; min-height: 0; display: grid; grid-template-rows: repeat(3,minmax(0,1fr)); overflow: hidden; background: #f6f4f1; }
.do-lab-row { min-width: 0; min-height: 0; display: grid; grid-template-columns: 39.5% 27.3% 33.2%; align-items: stretch; overflow: hidden; border-bottom: 1px solid #d8d4cc; background: #f6f4f1; }
.do-lab-row:last-child { border-bottom: 0; }
.do-lab-copy { position: relative; min-width: 0; padding: calc(1.03 * var(--vln-activity-vw)) calc(.55 * var(--vln-activity-vw)) calc(.72 * var(--vln-activity-vw)) calc(1.8 * var(--vln-activity-vw)); background: #f6f4f1; }
.do-lab-copy b { display: block; margin-bottom: calc(.35 * var(--vln-activity-vw)); color: var(--do-red); font-size: calc(1.05 * var(--vln-activity-type-vw)); font-weight: 900; }
.do-lab-copy h2 { margin: 0 0 calc(.55 * var(--vln-activity-vw)); color: var(--do-ink); font-size: calc(1.49 * var(--vln-activity-type-vw)); font-weight: 800; line-height: 1.08; }
.do-lab-copy p { margin: 0; color: #253f52; font-size: calc(.78 * var(--vln-activity-type-vw)); line-height: 1.48; }
.do-tech { width: 100%; height: 100%; min-width: 0; min-height: 0; padding: calc(.72 * var(--vln-activity-vw)) calc(.82 * var(--vln-activity-vw)); object-fit: contain; background: #f6f4f1; }
.do-lab-thumb { width: calc(100% - calc(.72 * var(--vln-activity-vw))); height: calc(100% - calc(.72 * var(--vln-activity-vw))); min-width: 0; min-height: 0; margin: calc(.36 * var(--vln-activity-vw)); object-fit: cover; border-radius: calc(.6 * var(--vln-activity-vw)); }
.do-lab-thumb-one { object-position: center; }
.do-lab-thumb-two { object-position: center; }
.do-lab-thumb-three { object-position: center; }

/* 05 — load/pile test */
.do-loading { min-height: calc(50.44 * var(--vln-activity-vw)); height: auto; display: grid; grid-template-columns: 36.3% 26.7% 10.7% 26.3%; color: #fff; background: linear-gradient(90deg,#002842,#00263f 49%,#002239); }
.do-loading-left { min-width: 0; padding: calc(1.27 * var(--vln-activity-vw)) calc(1.1 * var(--vln-activity-vw)) calc(1.35 * var(--vln-activity-vw)) calc(1.62 * var(--vln-activity-vw)); }
.do-loading-left > img { width: 100%; height: calc(22.95 * var(--vln-activity-vw)); object-fit: cover; object-position: center 54%; border-radius: calc(.54 * var(--vln-activity-vw)); }
.do-dark-list { color: #fff; }
.do-loading-left .do-dark-list { display: grid; gap: calc(.8 * var(--vln-activity-vw)); padding: calc(1.28 * var(--vln-activity-vw)) calc(.55 * var(--vln-activity-vw)) 0 calc(.95 * var(--vln-activity-vw)); }
.do-dark-list article { display: flex; align-items: flex-start; gap: calc(.75 * var(--vln-activity-vw)); }
.do-dark-list b { color: var(--do-red); font-size: calc(1.15 * var(--vln-activity-type-vw)); font-weight: 900; line-height: 1.1; margin-top: calc(.05 * var(--vln-activity-vw)); }
.do-dark-list h2 { margin: 0 0 calc(.18 * var(--vln-activity-vw)); color: #fff; font-size: calc(1.18 * var(--vln-activity-type-vw)); font-weight: 800; line-height: 1.1; }
.do-dark-list p { margin: 0; color: rgba(255,255,255,.83); font-size: calc(.75 * var(--vln-activity-type-vw)); line-height: 1.38; }
.do-loading-schema { position: relative; min-width: 0; display: flex; flex-direction: column; align-items: center; padding: calc(1.45 * var(--vln-activity-vw)) calc(.18 * var(--vln-activity-vw)) calc(.55 * var(--vln-activity-vw)); overflow: hidden; }
.do-loading-schema h2 { position: relative; z-index: 2; margin: 0; color: #fff; font-size: calc(1.08 * var(--vln-activity-type-vw)); font-weight: 800; line-height: 1; text-transform: uppercase; }
.do-loading-schema img { width: 100%; height: calc(100% - calc(1.2 * var(--vln-activity-vw))); margin-top: calc(-.3 * var(--vln-activity-vw)); object-fit: cover; object-position: center 48%; }
.do-stats { align-self: start; margin-top: calc(1.2 * var(--vln-activity-vw)); padding: calc(.95 * var(--vln-activity-vw)) calc(.72 * var(--vln-activity-vw)) calc(.82 * var(--vln-activity-vw)); border: 1px solid rgba(255,255,255,.74); border-radius: calc(.55 * var(--vln-activity-vw)); color: #fff; }
.do-stats > div:not(.do-chart) { margin-bottom: calc(.58 * var(--vln-activity-vw)); }
.do-stats small { display: block; margin-bottom: calc(.03 * var(--vln-activity-vw)); color: rgba(255,255,255,.84); font-size: calc(.65 * var(--vln-activity-type-vw)); font-style: normal; text-transform: uppercase; }
.do-stats strong { display: block; font-size: calc(1.74 * var(--vln-activity-type-vw)); font-weight: 500; line-height: 1.05; }
.do-chart { position: relative; height: calc(11.6 * var(--vln-activity-vw)); margin-top: calc(.8 * var(--vln-activity-vw)); border-left: 1px solid rgba(255,255,255,.7); border-bottom: 1px solid rgba(255,255,255,.7); background: repeating-linear-gradient(90deg,transparent 0,transparent 24%,rgba(255,255,255,.13) 25%),repeating-linear-gradient(0deg,transparent 0,transparent 24%,rgba(255,255,255,.13) 25%); }
.do-chart span { position: absolute; inset: 9% 8% 8% 5%; clip-path: polygon(0 10%,6% 8%,35% 22%,55% 44%,72% 72%,100% 94%,100% 98%,70% 78%,52% 49%,33% 28%,0 14%); background: #ed2435; }
.do-stats em { display: block; margin-top: calc(.35 * var(--vln-activity-vw)); color: rgba(255,255,255,.85); font-size: calc(.62 * var(--vln-activity-type-vw)); font-style: normal; text-align: center; }
.do-loading-right { display: grid; align-content: start; gap: calc(2 * var(--vln-activity-vw)); padding: calc(1.55 * var(--vln-activity-vw)) calc(1.55 * var(--vln-activity-vw)) calc(1 * var(--vln-activity-vw)) calc(1.65 * var(--vln-activity-vw)); }
.do-loading-right article { display: flex; align-items: flex-start; gap: calc(.75 * var(--vln-activity-vw)); }
.do-loading-right h2 { font-size: calc(1.65 * var(--vln-activity-type-vw)); }
.do-loading-right p { font-size: calc(.85 * var(--vln-activity-type-vw)); line-height: 1.48; }

/* 06 — structure monitoring */
.do-monitoring { min-height: calc(44.51 * var(--vln-activity-vw)); height: auto; display: grid; grid-template-columns: 42.5% 57.5%; padding: calc(.88 * var(--vln-activity-vw)) calc(1.26 * var(--vln-activity-vw)) calc(1.1 * var(--vln-activity-vw)); background: var(--do-paper); }
.do-monitoring-visual { position: relative; min-width: 0; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.do-mon-stage { position: relative; height: 100%; max-height: 100%; aspect-ratio: 682 / 1024; display: block; margin: 0 auto; }
.do-mon-img { width: 100%; height: 100%; object-fit: fill; mix-blend-mode: multiply; display: block; }
.do-mon-labels { position: absolute; inset: 0; pointer-events: auto; user-select: text; -webkit-user-select: text; }
.do-mon-item { position: absolute; display: flex; flex-direction: column; color: #111111; font-family: 'Segoe UI', Arial, sans-serif; line-height: 1.15; white-space: nowrap; cursor: text; z-index: 10; }
.do-mon-item strong { font-size: clamp(8px, calc(0.85 * var(--vln-activity-vw)), 12.5px); font-weight: 700; color: #151515; }
.do-mon-item small { font-size: clamp(7px, calc(0.72 * var(--vln-activity-vw)), 10.5px); font-weight: 500; color: #444444; }

.do-mon-1 { top: 8.2%; right: 70.7%; transform: translateY(-50%); text-align: right; align-items: flex-end; }
.do-mon-2 { top: 19.0%; right: 74.5%; transform: translateY(-50%); text-align: right; align-items: flex-end; }
.do-mon-3 { top: 31.0%; right: 76.8%; transform: translateY(-50%); text-align: right; align-items: flex-end; }
.do-mon-4 { top: 27.5%; right: 54.5%; transform: translateY(-50%); text-align: right; align-items: flex-end; }
.do-mon-5 { top: 35.6%; left: 62.2%; transform: translateY(-50%); text-align: left; align-items: flex-start; }
.do-mon-6 { top: 81.9%; right: 39.0%; transform: translateY(-50%); text-align: right; align-items: flex-end; }
.do-monitoring-list { min-width: 0; display: grid; grid-template-rows: repeat(6,1fr); overflow: hidden; border: 1px solid #dad7d0; border-radius: calc(.85 * var(--vln-activity-vw)); background: rgba(255,255,255,.32); }
.do-monitoring-list article { min-height: 0; display: grid; grid-template-columns: calc(3.2 * var(--vln-activity-vw)) calc(2.4 * var(--vln-activity-vw)) 1fr calc(15.1 * var(--vln-activity-vw)); align-items: center; gap: calc(.75 * var(--vln-activity-vw)); padding: calc(.35 * var(--vln-activity-vw)) calc(.55 * var(--vln-activity-vw)) calc(.35 * var(--vln-activity-vw)) calc(.9 * var(--vln-activity-vw)); border-bottom: 1px solid #dad7d0; }
.do-monitoring-list article:last-child { border-bottom: 0; }
.do-monitoring-list svg { width: calc(3.2 * var(--vln-activity-vw)); height: calc(3.2 * var(--vln-activity-vw)); color: var(--do-red); stroke-width: 1.35; }
.do-monitoring-list b { color: var(--do-red); font-size: calc(1.15 * var(--vln-activity-type-vw)); font-weight: 900; text-align: center; }
.do-monitoring-list h2 { margin: 0 0 calc(.28 * var(--vln-activity-vw)); color: var(--do-ink); font-size: calc(1.38 * var(--vln-activity-type-vw)); font-weight: 800; line-height: 1.1; }
.do-monitoring-list img { width: 100%; height: calc(5.65 * var(--vln-activity-vw)); object-fit: cover; object-position: center; border-radius: calc(.58 * var(--vln-activity-vw)); background: #fff; }

/* 07 — equipment strip */
.do-equipment { min-height: calc(12.99 * var(--vln-activity-vw)); height: auto; display: grid; grid-template-columns: repeat(3,1fr); padding: calc(.86 * var(--vln-activity-vw)) calc(1.25 * var(--vln-activity-vw)); background: var(--do-paper); }
.do-equipment article { min-width: 0; display: grid; grid-template-columns: 1fr 42%; align-items: center; padding: 0 calc(1.05 * var(--vln-activity-vw)); border-right: 1px solid #d5d1ca; }
.do-equipment article:last-child { border-right: 0; }
.do-equipment b { display: block; margin-bottom: calc(.3 * var(--vln-activity-vw)); color: var(--do-red); font-size: calc(.95 * var(--vln-activity-type-vw)); font-weight: 900; }
.do-equipment h2 { margin: calc(.22 * var(--vln-activity-vw)) 0 calc(.45 * var(--vln-activity-vw)); color: var(--do-ink); font-size: calc(1.2 * var(--vln-activity-type-vw)); font-weight: 800; line-height: 1.1; }
.do-equipment p { margin: 0; color: var(--do-copy); font-size: calc(.7 * var(--vln-activity-type-vw)); line-height: 1.42; }
.do-equipment img { width: 100%; height: calc(10.4 * var(--vln-activity-vw)); padding: calc(.5 * var(--vln-activity-vw)); object-fit: contain; }

/* 08 — CTA */
.do-cta { min-height: calc(20.05 * var(--vln-activity-vw)); height: auto; display: grid; grid-template-columns: 44% 56%; overflow: hidden; background: #f6f4ef; }
.do-cta-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: calc(1.2 * var(--vln-activity-vw)) calc(2.1 * var(--vln-activity-vw)) calc(1.2 * var(--vln-activity-vw)) calc(6.85 * var(--vln-activity-vw)); }
.do-cta-copy h2 { margin: 0 0 calc(1 * var(--vln-activity-vw)); color: var(--do-ink); font-size: calc(2.05 * var(--vln-activity-type-vw)); font-weight: 900; line-height: 1.12; text-transform: uppercase; }
.do-cta-copy p { margin: 0 0 calc(1.25 * var(--vln-activity-vw)); color: var(--do-copy); font-size: calc(1.03 * var(--vln-activity-type-vw)); line-height: 1.48; }
.do-cta-copy a { display: inline-flex; align-items: center; justify-content: center; gap: calc(1.55 * var(--vln-activity-vw)); min-width: calc(20.55 * var(--vln-activity-vw)); height: calc(3.73 * var(--vln-activity-vw)); padding: 0 calc(1.6 * var(--vln-activity-vw)); color: #fff; background: var(--do-red); font-size: calc(1.01 * var(--vln-activity-type-vw)); font-weight: 800; text-transform: uppercase; }
.do-cta-copy a:hover { color: #fff; background: #b91723; }
.do-cta-copy a span { font-size: calc(2.25 * var(--vln-activity-type-vw)); font-weight: 300; }
.do-cta > img { width: 100%; height: 100%; object-fit: cover; object-position: center 52%; }

/* 09 — footer */
.do-footer { min-height: calc(16.9 * var(--vln-activity-vw)); height: auto; padding: calc(1.2 * var(--vln-activity-vw)) calc(2.15 * var(--vln-activity-vw)) calc(.75 * var(--vln-activity-vw)); color: #fff; background: radial-gradient(circle at 55% 10%,#063858,#022943 46%,#02263d); }
.do-footer-grid { display: grid; grid-template-columns: 19% 13% 19% 15% 15% 11%; gap: 1.55%; min-height: calc(13.2 * var(--vln-activity-vw)); height: auto; }
.do-footer-brand img { width: calc(11.9 * var(--vln-activity-vw)); height: auto; margin: 0 0 calc(.45 * var(--vln-activity-vw)) calc(.5 * var(--vln-activity-vw)); }
.do-footer ul { list-style: none; margin: 0; padding: 0; }
.do-footer li { display: flex; align-items: flex-start; gap: calc(.55 * var(--vln-activity-vw)); margin-bottom: calc(.43 * var(--vln-activity-vw)); color: rgba(255,255,255,.83); font-size: calc(.71 * var(--vln-activity-type-vw)); line-height: 1.35; }
.do-footer li svg { width: calc(1.18 * var(--vln-activity-vw)); height: calc(1.18 * var(--vln-activity-vw)); flex: 0 0 calc(1.18 * var(--vln-activity-vw)); }
.do-footer-grid > div:not(.do-footer-brand) { display: flex; flex-direction: column; padding-top: calc(.55 * var(--vln-activity-vw)); }
.do-footer h2 { margin: 0 0 calc(.75 * var(--vln-activity-vw)); color: #fff; font-size: calc(.83 * var(--vln-activity-type-vw)); font-weight: 800; text-transform: uppercase; }
.do-footer-grid a { margin-bottom: calc(.53 * var(--vln-activity-vw)); color: rgba(255,255,255,.73); font-size: calc(.74 * var(--vln-activity-type-vw)); line-height: 1.2; }
.do-footer-grid a:hover { color: #fff; }
.do-copyright { margin: calc(.1 * var(--vln-activity-vw)) 0 0; color: rgba(255,255,255,.65); font-size: calc(.72 * var(--vln-activity-type-vw)); text-align: center; }

/* Tablet — rearranges without clipping. */
@media (max-width: 1100px) {
  .do-desktop-only { display: none; }
  .do-hero { height: auto; min-height: 680px; }
  .do-header { height: 82px; grid-template-columns: auto 1fr auto; align-items: center; padding: 0 28px; font-size: 10px; }
  .do-nav { display: none; }
  .do-brand { justify-content: flex-start; }
  .do-brand img { width: 125px; }
  .do-menu-toggle { display: inline-flex; align-items: center; justify-self: end; gap: 9px; padding: 10px 0; color: #fff; border: 0; background: transparent; font: inherit; font-size: 10px; font-weight: 800; text-transform: uppercase; cursor: pointer; }
  .do-menu-bars { width: 23px; display: grid; gap: 5px; }
  .do-menu-bars b { width: 100%; height: 1px; background: currentColor; transition: .2s ease; }
  .do-menu-toggle[aria-expanded='true'] .do-menu-bars b:first-child { transform: translateY(6px) rotate(45deg); }
  .do-menu-toggle[aria-expanded='true'] .do-menu-bars b:nth-child(2) { opacity: 0; }
  .do-menu-toggle[aria-expanded='true'] .do-menu-bars b:last-child { transform: translateY(-6px) rotate(-45deg); }
  .do-mobile-nav { position: absolute; top: 75px; left: 28px; right: 28px; display: grid; grid-template-columns: repeat(2,1fr); visibility: hidden; opacity: 0; transform: translateY(-8px); border: 1px solid rgba(255,255,255,.24); transition: .2s ease; }
  .do-mobile-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .do-mobile-nav a { padding: 15px 17px; color: #fff; background: rgba(3,39,61,.98); border: 1px solid rgba(255,255,255,.07); font-size: 11px; font-weight: 700; }
  .do-hero-photo { object-position: 62% center; }
  .do-hero-shade { background: linear-gradient(90deg,rgba(1,31,50,.98),rgba(1,32,52,.8) 67%,rgba(1,32,52,.24)); }
  .do-hero-copy { left: 28px; top: 205px; width: min(calc(74 * var(--vln-activity-vw)),590px); }
  .do-hero-kicker { margin-bottom: 16px; font-size: 11px; }
  .do-hero h1 { margin-bottom: 17px; font-size: clamp(44px,calc(7.8 * var(--vln-activity-type-vw)),64px); }
  .do-hero-lead { margin-bottom: 28px; font-size: 15px; line-height: 1.6; }
  .do-outline-button { height: 47px; gap: 14px; padding: 0 18px; border-width: 2px; font-size: 11px; }
  .do-outline-button span { font-size: 22px; }
  .do-process { height: auto; grid-template-columns: repeat(2,1fr); }
  .do-process-item { min-height: 76px; gap: 14px; font-size: 11px; }
  .do-process-item svg { width: 31px; height: 31px; }
  .do-process-item:nth-child(2)::after { display: none; }
  .do-process-item:nth-child(-n+2) { border-bottom: 1px solid var(--do-line); }
  .do-workflow { height: auto; grid-template-columns: repeat(2,1fr); gap: 18px; padding: 34px 28px; }
  .do-workflow-item { grid-template-columns: 56px 1fr; gap: 12px; min-height: 112px; }
  .do-workflow-item svg { width: 50px; height: 58px; }
  .do-workflow-item h2 { margin-bottom: 7px; font-size: 12px; }
  .do-workflow-item p { font-size: 10px; }
  .do-red-arrow { display: none; }
  .do-lab { height: auto; padding: 24px 28px 48px; }
  .do-lab-frame { grid-template-columns: 1fr; border-radius: 9px; }
  .do-lab-main { height: 430px; }
  .do-lab-row { min-height: 210px; grid-template-columns: 1fr 150px 180px; }
  .do-lab-copy { padding: 25px 15px 20px 22px; }
  .do-lab-copy h2 { margin-bottom: 8px; font-size: 18px; }
  .do-lab-copy p { font-size: 10px; }
  .do-tech { padding: 12px; }
  .do-lab-thumb { width: calc(100% - 12px); height: calc(100% - 12px); margin: 6px; border-radius: 6px; }
  .do-loading { height: auto; grid-template-columns: 1fr 1fr; }
  .do-loading-left { padding: 28px; }
  .do-loading-left > img { height: 380px; border-radius: 7px; }
  .do-loading-left .do-dark-list { gap: 14px; padding: 25px 5px 0; }
  .do-dark-list article { display: block; }
  .do-dark-list h2 { margin-bottom: 4px; font-size: 14px; }
  .do-dark-list p { font-size: 10px; }
  .do-loading-schema { padding: 30px 8px 20px; }
  .do-loading-schema h2 { font-size: 13px; }
  .do-loading-schema img { height: 600px; }
  .do-stats { margin: 0 0 32px 28px; padding: 18px 16px; border-radius: 7px; }
  .do-stats small { font-size: 8px; }
  .do-stats strong { font-size: 22px; }
  .do-chart { height: 150px; margin-top: 12px; }
  .do-stats em { margin-top: 5px; font-size: 8px; }
  .do-loading-right { gap: 23px; padding: 0 28px 36px 22px; }
  .do-loading-right article { display: block; }
  .do-loading-right h2 { font-size: 18px; }
  .do-loading-right p { font-size: 10px; }
  .do-monitoring { height: auto; grid-template-columns: 42% 58%; padding: 36px 28px; }
  .do-monitoring-visual { min-height: 690px; }
  .do-monitoring-visual img:not(.do-mon-img) { object-fit: contain; }
  .do-diagram-label { display: none; }
  .do-monitoring-list { border-radius: 8px; }
  .do-monitoring-list article { grid-template-columns: 42px 1fr 110px; gap: 10px; padding: 8px; }
  .do-monitoring-list svg { width: 34px; height: 34px; }
  .do-monitoring-list h2 { margin-bottom: 4px; font-size: 14px; }
  .do-monitoring-list p { font-size: 8px; }
  .do-monitoring-list img { height: 85px; border-radius: 5px; }
  .do-equipment { height: auto; grid-template-columns: 1fr; padding: 20px 28px; }
  .do-equipment article { min-height: 175px; grid-template-columns: 1fr 210px; padding: 15px 20px; border-right: 0; border-bottom: 1px solid var(--do-line); }
  .do-equipment article:last-child { border-bottom: 0; }
  .do-equipment h2 { margin: 4px 0 7px; font-size: 15px; }
  .do-equipment p { font-size: 10px; }
  .do-equipment img { width: 100%; height: 140px; padding: 8px; }
  .do-cta { height: auto; min-height: 350px; grid-template-columns: 46% 54%; }
  .do-cta-copy { padding: 38px 28px; }
  .do-cta-copy h2 { margin-bottom: 13px; font-size: 27px; }
  .do-cta-copy p { margin-bottom: 20px; font-size: 11px; }
  .do-cta-copy a { min-width: 190px; height: 45px; gap: 13px; padding: 0 17px; font-size: 10px; }
  .do-cta-copy a span { font-size: 21px; }
  .do-footer { height: auto; padding: 36px 28px 25px; }
  .do-footer-grid { height: auto; grid-template-columns: repeat(3,1fr); gap: 28px 22px; }
  .do-footer-brand { grid-row: span 2; }
  .do-footer-brand img { width: 130px; margin: 0 0 14px; }
  .do-footer li { gap: 7px; margin-bottom: 8px; font-size: 9px; }
  .do-footer li svg { width: 14px; height: 14px; flex-basis: 14px; }
  .do-footer-grid > div:not(.do-footer-brand) { padding-top: 6px; }
  .do-footer h2 { margin-bottom: 11px; font-size: 10px; }
  .do-footer-grid a { margin-bottom: 8px; font-size: 9px; }
  .do-copyright { margin-top: 28px; font-size: 9px; }
}

/* Phone — single-column reading order. */
@media (max-width: 640px) {
  .do-header { height: 74px; padding: 0 20px; }
  .do-brand img { width: 108px; }
  .do-menu-toggle span:last-child { display: none; }
  .do-mobile-nav { top: 68px; left: 20px; right: 20px; grid-template-columns: 1fr; }
  .do-hero { min-height: 650px; }
  .do-hero-photo { object-position: 68% center; }
  .do-hero-copy { left: 20px; right: 20px; top: auto; bottom: 70px; width: auto; }
  .do-hero h1 { font-size: clamp(38px,calc(11 * var(--vln-activity-type-vw)),54px); }
  .do-hero-lead { font-size: 14px; }
  .do-workflow { grid-template-columns: 1fr; padding: 30px 20px; }
  .do-workflow-item { min-height: 95px; }
  .do-workflow-item p { font-size: 11px; }
  .do-lab { padding: 20px 15px 40px; }
  .do-lab-main { height: 330px; }
  .do-lab-row { grid-template-columns: 1fr 120px; min-height: 250px; }
  .do-lab-copy { padding: 20px 14px; }
  .do-lab-copy p { font-size: 9px; }
  .do-tech { padding: 10px; }
  .do-lab-thumb { display: none; }
  .do-loading { grid-template-columns: 1fr; }
  .do-loading-left { padding: 22px 20px 30px; }
  .do-loading-left > img { height: auto; aspect-ratio: 4/3; }
  .do-loading-schema img { height: auto; max-height: 680px; }
  .do-stats { margin: 10px 20px 28px; }
  .do-loading-right { padding: 10px 20px 45px; }
  .do-monitoring { grid-template-columns: 1fr; padding: 28px 15px 38px; }
  .do-monitoring-visual { min-height: 0; height: 620px; }
  .do-monitoring-list article { min-height: 122px; grid-template-columns: 38px 1fr 86px; padding: 8px 6px; }
  .do-monitoring-list p { font-size: 8px; }
  .do-monitoring-list img { height: 82px; }
  .do-equipment { padding: 14px 15px; }
  .do-equipment article { grid-template-columns: 1fr 125px; padding: 14px 8px; }
  .do-equipment p { font-size: 9px; }
  .do-cta { grid-template-columns: 1fr; }
  .do-cta-copy { min-height: 310px; padding: 40px 24px; }
  .do-cta-copy h2 { font-size: 28px; }
  .do-cta-copy p { font-size: 11px; }
  .do-cta > img { height: auto; aspect-ratio: 4/3; }
  .do-footer { padding-inline: 22px; }
  .do-footer-grid { grid-template-columns: repeat(2,1fr); }
  .do-footer-brand { grid-column: 1/-1; grid-row: auto; }
}

@media (max-width: 420px) {
  .do-process-item { min-height: 68px; padding: 7px; font-size: 9px; }
  .do-process-item svg { width: 27px; height: 27px; }
  .do-lab-row { grid-template-columns: 1fr; }
  .do-tech { height: 190px; }
  .do-monitoring-visual { height: 540px; }
  .do-monitoring-list article { grid-template-columns: 34px 1fr; }
  .do-monitoring-list img { display: none; }
  .do-equipment article { grid-template-columns: 1fr 105px; }
  .do-footer-grid { grid-template-columns: 1fr; }
  .do-footer-brand { grid-column: auto; }
}