:root {
  --ink: #f4f7f9;
  --ink-soft: #b8c2cb;
  --graphite: #1f2933;
  --industrial-blue: #003b71;
  --steel-gray: #8a949b;
  --signal-orange: #f26a21;
  --steel-900: #11161b;
  --steel-800: #171f25;
  --steel-700: #7f8b95;
  --steel-500: #aeb8c1;
  --steel-300: #d5dce2;
  --steel-200: #eef2f5;
  --panel: rgba(18, 25, 30, 0.82);
  --line: rgba(190, 201, 210, 0.24);
  --accent: var(--signal-orange);
  --accent-soft: rgba(242, 106, 33, 0.18);
  --blue-soft: rgba(0, 59, 113, 0.42);
  --white: #ffffff;
  --black: #05080a;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.48);
}

.brand-highlight {
  color: var(--accent);
  font-weight: 900;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at 72% 92%, rgba(0, 59, 113, 0.32), transparent 26%),
    linear-gradient(135deg, rgba(5, 8, 10, 0.98), rgba(31, 41, 51, 0.97)),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: auto, 64px 64px, 64px 64px;
  overflow: hidden;
}

body.lightbox-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 78% 90%, rgba(0, 59, 113, 0.22), transparent 24%),
    linear-gradient(128deg, transparent 0 74%, rgba(138, 148, 155, 0.18) 74.2%, transparent 74.5%),
    linear-gradient(90deg, rgba(255,255,255,.045), transparent 22%, rgba(255,255,255,.025) 50%, transparent 70%);
  mix-blend-mode: screen;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.site-app {
  position: relative;
  z-index: 1;
  width: 100vw;
  height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 82fr) minmax(170px, 18fr);
  grid-template-rows: minmax(0, 1fr) 42px;
  gap: clamp(10px, 1.1vw, 16px);
  padding: clamp(10px, 1.1vw, 16px);
}

.notebook-panel,
.menu-panel,
.developer-panel {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(40px, 4.5vw, 82px);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(22px, 1.7vw, 30px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 9px;
  font-size: 18px;
  line-height: 1.12;
}

p,
li {
  color: var(--ink-soft);
  font-size: clamp(15px, 1.08vw, 18px);
  line-height: 1.55;
}

.group-copy {
  max-width: 1120px;
  margin: 0 auto;
  text-align: left;
}

.group-copy p,
.group-copy li {
  color: #dce3e8;
  font-size: clamp(14px, 1vw, 16px);
  font-weight: 640;
  line-height: 1.62;
}

.group-copy strong {
  color: var(--white);
  font-weight: 900;
}

.group-copy p {
  max-width: none;
  margin: 0 0 14px;
  text-align: left;
  text-wrap: auto;
}

.group-copy ul {
  display: block;
  max-width: none;
  margin: 0 0 14px;
  padding-left: 22px;
  list-style: disc;
}

.group-copy li {
  margin: 0 0 8px;
  padding-left: 4px;
  color: #dce3e8;
  text-align: left;
  font-size: clamp(14px, 1vw, 16px);
  font-weight: 640;
  line-height: 1.62;
  text-wrap: auto;
}

.section-group .bullet-list {
  width: 100%;
  margin: 22px 0 0;
  text-align: center;
}

.section-group .bullet-list li {
  text-align: center;
}

.section-group .content-header {
  margin-bottom: 10px;
}

.section-group .lead {
  max-width: 760px;
  margin-bottom: 14px;
  font-size: clamp(13px, 0.86vw, 15px);
  line-height: 1.42;
}

.section-group .content-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  padding-right: 0;
}

.group-page {
  min-height: 100%;
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-between;
  gap: clamp(14px, 2vh, 28px);
}

.section-group .group-copy {
  width: 100%;
  max-width: none;
  margin: 0 auto;
}

.section-group .group-copy p,
.section-group .group-copy li {
  font-size: clamp(12.8px, 0.86vw, 16px);
  line-height: 1.48;
}

.section-group .group-copy p {
  margin-bottom: clamp(8px, 1.1vh, 14px);
}

.section-group .group-copy p:first-child {
  max-width: 760px;
  margin: 0 auto clamp(14px, 1.8vh, 22px);
  padding: clamp(9px, 1.1vh, 14px) 22px;
  color: var(--white);
  text-align: center;
  font-size: clamp(16px, 1.08vw, 20px);
  font-weight: 950;
  background:
    linear-gradient(90deg, transparent, rgba(242, 106, 33, 0.16), transparent),
    rgba(255, 255, 255, 0.035);
  border-block: 1px solid rgba(242, 106, 33, 0.42);
}

.section-group .group-copy ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(28px, 4vw, 72px);
  row-gap: clamp(6px, 0.8vh, 12px);
  margin-bottom: clamp(8px, 1.2vh, 16px);
  padding-left: 0;
  list-style: none;
}

.section-group .group-copy li {
  position: relative;
  margin-bottom: 0;
  padding-left: 18px;
}

.section-group .group-copy li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 8px;
  height: 2px;
  background: var(--accent);
}

.section-group .bullet-list {
  margin-top: 0;
}

.section-group .bullet-list li {
  padding: clamp(8px, 1vh, 13px) 32px;
  color: var(--ink-soft);
  font-size: clamp(12px, 0.78vw, 14.5px);
  line-height: 1.35;
}

.section-group .bullet-list li::before,
.section-group .bullet-list li::after {
  top: clamp(15px, 1.4vh, 20px);
}

.notebook-panel {
  position: relative;
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  padding: clamp(14px, 1.6vw, 28px);
  background:
    linear-gradient(135deg, rgba(10, 15, 18, 0.92), rgba(0, 59, 113, 0.18)),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: auto, 64px 64px, 64px 64px;
  overflow: hidden;
}

.notebook-stack span,
.notebook-page {
  position: absolute;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(31, 41, 51, 0.97), rgba(6, 10, 12, 0.94)),
    linear-gradient(118deg, rgba(0, 59, 113, 0.22), transparent 44%),
    repeating-linear-gradient(100deg, rgba(255,255,255,.04) 0, rgba(151,164,174,.08) 1px, transparent 10px);
}

.notebook-stack span:nth-child(1) {
  inset: 42px 24px 22px 52px;
  opacity: 0.5;
}

.notebook-stack span:nth-child(2) {
  inset: 26px 40px 36px 40px;
  opacity: 0.72;
}

.notebook-page {
  inset: 14px 48px 44px 18px;
  z-index: 2;
  padding: clamp(20px, 2vw, 34px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.28);
}

.content-header {
  display: flex;
  align-items: start;
  justify-content: center;
  gap: 18px;
  text-align: center;
  margin-bottom: 18px;
}

.content-header > div {
  max-width: 880px;
}

.content-kicker {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.content-number {
  position: absolute;
  top: clamp(20px, 2vw, 34px);
  right: clamp(20px, 2vw, 34px);
  color: var(--steel-gray);
  font-size: 13px;
  font-weight: 900;
}

.content-body {
  min-height: 0;
  overflow: auto;
  padding-right: 10px;
  text-align: center;
}

.content-section {
  position: relative;
  min-height: 0;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.section-request .content-header > div {
  max-width: 780px;
}

.section-request .content-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  padding-right: 0;
}

.section-equipment .content-header > div {
  max-width: 880px;
}

.section-equipment .equipment-card-content {
  display: grid;
  align-content: start;
  justify-items: start;
  text-align: left;
}

.content-body::-webkit-scrollbar {
  width: 8px;
}

.content-body::-webkit-scrollbar-thumb {
  background: rgba(138, 148, 155, 0.48);
}

.lead {
  max-width: 780px;
  margin: 0 auto 16px;
  font-size: clamp(14.5px, 1vw, 17px);
  font-weight: 650;
  line-height: 1.5;
}

.bullet-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.bullet-list li {
  position: relative;
  padding: 12px 32px;
  border-bottom: 1px solid rgba(190, 201, 210, 0.16);
}

.bullet-list li::before,
.bullet-list li::after {
  content: "";
  position: absolute;
  top: 23px;
  width: 16px;
  height: 3px;
  background: var(--accent);
}

.bullet-list li::before {
  left: 0;
}

.bullet-list li::after {
  right: 0;
}

.equipment-grid,
.completed-grid {
  display: grid;
  gap: 14px;
}

.equipment-card,
.completed-card,
.request-form {
  background:
    linear-gradient(135deg, rgba(31, 41, 51, 0.94), rgba(9, 13, 16, 0.92)),
    linear-gradient(118deg, rgba(0, 59, 113, 0.16), transparent 48%),
    repeating-linear-gradient(100deg, rgba(255,255,255,.035) 0, rgba(170,183,193,.065) 1px, transparent 10px);
  border: 1px solid var(--line);
}

.equipment-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.equipment-card {
  display: grid;
  grid-template-rows: 170px minmax(112px, auto);
  min-height: 0;
  overflow: hidden;
}

.equipment-image-frame {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  min-height: 170px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(31, 41, 51, 0.72), rgba(5, 8, 10, 0.78)),
    repeating-linear-gradient(100deg, rgba(255,255,255,.035) 0, rgba(170,183,193,.065) 1px, transparent 10px);
  border-right: 0;
  border-bottom: 1px solid var(--line);
}

.equipment-image-frame::before {
  content: "";
  width: calc(100% - 44px);
  height: calc(100% - 44px);
  border: 1px dashed rgba(190, 201, 210, 0.32);
  background:
    linear-gradient(135deg, rgba(242, 106, 33, 0.08), transparent 42%),
    rgba(3, 6, 8, 0.22);
}

.equipment-card-content {
  min-height: 112px;
  padding: 14px 16px 16px;
}

.equipment-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.equipment-card p,
.completed-card p {
  margin-bottom: 0;
  color: var(--steel-gray);
  font-size: 14.5px;
  line-height: 1.38;
}

.completed-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.completed-card {
  overflow: hidden;
}

.completed-card.image-card img {
  width: 100%;
  height: 168px;
  object-fit: cover;
  object-position: center;
  border-bottom: 1px solid var(--line);
  filter: brightness(0.78) contrast(1.08) saturate(0.82);
  cursor: zoom-in;
}

.completed-card h3,
.completed-card p,
.completed-card span {
  padding-left: 16px;
  padding-right: 16px;
}

.completed-card h3 {
  margin-top: 8px;
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.22;
}

.completed-card p {
  padding-bottom: 12px;
  font-size: 13.5px;
  line-height: 1.32;
}

.completed-card span {
  display: block;
  padding-top: 12px;
  color: var(--accent);
  font-size: 10.5px;
  font-weight: 900;
  text-transform: uppercase;
}

.partner-groups {
  display: grid;
  gap: 22px;
}

.partner-group {
  display: grid;
  gap: 12px;
}

.partner-group h3 {
  margin: 0;
  color: var(--white);
  font-size: 15px;
  font-weight: 900;
  text-transform: uppercase;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.partner-card {
  min-height: 128px;
  display: grid;
  place-items: center;
  padding: 18px;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(31, 41, 51, 0.94), rgba(9, 13, 16, 0.92)),
    linear-gradient(118deg, rgba(0, 59, 113, 0.16), transparent 48%),
    repeating-linear-gradient(100deg, rgba(255,255,255,.035) 0, rgba(170,183,193,.065) 1px, transparent 10px);
  border: 1px solid var(--line);
}

.partner-card strong {
  color: #dce3e8;
  width: 100%;
  font-size: clamp(15px, 1.02vw, 20px);
  font-weight: 900;
  line-height: 1.28;
}

.doc-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.doc-links span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  min-width: 180px;
  padding: 10px 14px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  background:
    linear-gradient(135deg, rgba(31, 41, 51, 0.96), rgba(9, 13, 16, 0.94)),
    linear-gradient(100deg, rgba(138, 148, 155, 0.22), transparent 42%);
  border: 1px solid rgba(138, 148, 155, 0.34);
  border-left: 3px solid var(--accent);
}

.contact-lines {
  display: grid;
  gap: 14px;
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
}

.contact-line {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 18px;
  background:
    linear-gradient(135deg, rgba(31, 41, 51, 0.94), rgba(9, 13, 16, 0.92)),
    linear-gradient(118deg, rgba(0, 59, 113, 0.16), transparent 48%),
    repeating-linear-gradient(100deg, rgba(255,255,255,.035) 0, rgba(170,183,193,.065) 1px, transparent 10px);
  border: 1px solid var(--line);
}

.contact-line span {
  color: var(--steel-gray);
  font-size: 14px;
  font-weight: 800;
}

.contact-line strong {
  text-align: right;
}

.facility-section {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  justify-items: center;
}

.facility-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
  overflow: hidden;
  padding-bottom: 4px;
}

.facility-grid img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: brightness(0.82) contrast(1.08) saturate(0.86);
  cursor: zoom-in;
}

.legal-info {
  width: min(100%, 1120px);
  margin: 10px auto 0;
  padding: 16px 18px;
  text-align: left;
  background:
    linear-gradient(135deg, rgba(31, 41, 51, 0.94), rgba(9, 13, 16, 0.92)),
    linear-gradient(118deg, rgba(242, 106, 33, 0.1), transparent 42%),
    repeating-linear-gradient(100deg, rgba(255,255,255,.035) 0, rgba(170,183,193,.065) 1px, transparent 10px);
  border: 1px solid var(--line);
}

.legal-info p {
  max-width: none;
  margin: 0 0 12px;
  color: var(--ink);
  font-size: clamp(13px, 0.92vw, 16px);
  font-weight: 850;
  line-height: 1.42;
  text-align: center;
}

.legal-grid {
  display: grid;
  gap: 8px;
}

.legal-row {
  display: grid;
  grid-template-columns: minmax(160px, 0.28fr) minmax(0, 1fr);
  gap: 14px;
  padding: 8px 0;
  border-top: 1px solid rgba(190, 201, 210, 0.14);
}

.legal-row span {
  color: var(--steel-gray);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.legal-row strong {
  color: #dce3e8;
  font-size: clamp(12.5px, 0.82vw, 15px);
  font-weight: 760;
  line-height: 1.38;
}

.image-lightbox {
  position: fixed !important;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1000;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: rgba(3, 6, 8, 0.78);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.image-lightbox[hidden] {
  display: none !important;
}

.image-lightbox img {
  display: block;
  width: min(50vw, 920px);
  max-width: min(50vw, 920px);
  max-height: 82vh;
  object-fit: contain;
  border: 1px solid rgba(190, 201, 210, 0.42);
  background: rgba(5, 8, 10, 0.92);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.68);
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(190, 201, 210, 0.42);
  color: var(--white);
  background: rgba(17, 22, 27, 0.88);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.request-form {
  display: grid;
  gap: 14px;
  max-width: 680px;
  padding: 20px;
}

.request-form-wrap {
  min-height: calc(100% - 96px);
  display: grid;
  align-items: center;
  justify-items: center;
}

.request-form-wrap .request-form {
  width: 680px;
  max-width: 100%;
}

.request-form label {
  display: grid;
  gap: 7px;
  color: var(--steel-gray);
  font-size: 13px;
  font-weight: 800;
}

.request-form input,
.request-form textarea {
  width: 100%;
  border: 1px solid rgba(190, 201, 210, 0.26);
  background: rgba(3, 6, 8, 0.66);
  color: var(--ink);
  font-size: 15px;
  padding: 12px;
  outline: none;
}

.request-form input:focus,
.request-form textarea:focus {
  border-color: rgba(242, 106, 33, 0.7);
  box-shadow: 0 0 0 3px rgba(242, 106, 33, 0.12);
}

.request-form textarea {
  min-height: 100px;
  resize: vertical;
}

.request-form button {
  min-height: 45px;
  border: 1px solid rgba(242, 106, 33, 0.76);
  color: var(--white);
  background: linear-gradient(135deg, rgba(242, 106, 33, 0.88), rgba(0, 59, 113, 0.34));
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
}

.request-form button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.hidden-field {
  display: none;
}

.request-status {
  min-height: 18px;
  margin: 0;
  color: var(--steel-gray);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.menu-panel {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 14px 12px;
  background:
    linear-gradient(180deg, rgba(31, 41, 51, .98), rgba(3, 6, 8, .98)),
    linear-gradient(155deg, rgba(0, 59, 113, 0.3), transparent 52%),
    repeating-linear-gradient(90deg, #0d1317 0, #1b252b 1px, #06090b 10px);
  color: var(--white);
}

.brand-mark {
  display: block;
  min-width: 0;
}

.brand-mark img {
  width: 100%;
  max-width: 210px;
  height: auto;
  display: block;
  border: 1px solid rgba(138, 148, 155, 0.3);
  background: rgba(31, 41, 51, 0.42);
}

.mobile-menu-toggle {
  display: none;
}

.mobile-menu-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.language-switcher {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.language-switcher button {
  min-height: 32px;
  color: var(--steel-500);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(138, 148, 155, 0.26);
  cursor: pointer;
}

.language-switcher button.active {
  color: var(--white);
  border-color: rgba(242, 106, 33, 0.72);
  background: rgba(242, 106, 33, 0.14);
}

.chapters {
  display: grid;
  gap: 7px;
  counter-reset: chapter;
}

.chapters button {
  position: relative;
  min-height: 38px;
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 6px;
  align-items: center;
  padding: 7px 6px;
  color: #b9c4cc;
  text-align: left;
  font-size: clamp(10.5px, 0.86vw, 13px);
  font-weight: 820;
  line-height: 1.12;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
}

.chapter-label {
  display: block;
  min-width: 0;
}

.chapters button[data-section="group"] {
  grid-template-columns: 16px minmax(0, 1fr);
}

.chapters button[data-section="group"] .chapter-label {
  display: block;
  max-width: 100%;
  white-space: nowrap;
}

.chapters button::before {
  counter-increment: chapter;
  content: counter(chapter, decimal-leading-zero);
  color: var(--steel-gray);
  font-size: 9px;
  font-weight: 900;
}

.chapters button.active {
  color: var(--white);
  border-color: rgba(242, 106, 33, .38);
  background: rgba(255,255,255,.055);
}

.chapters button.active::after {
  content: "";
  position: absolute;
  right: -15px;
  top: 7px;
  bottom: 7px;
  width: 4px;
  background: var(--accent);
}

.developer-panel {
  grid-column: 1 / -1;
  grid-row: 2;
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 8px 16px;
  background:
    linear-gradient(135deg, rgba(31, 41, 51, 0.94), rgba(7, 10, 12, 0.92)),
    linear-gradient(90deg, rgba(0, 59, 113, 0.18), transparent 42%, rgba(242, 106, 33, 0.08)),
    repeating-linear-gradient(100deg, rgba(255,255,255,.035) 0, rgba(170,183,193,.065) 1px, transparent 10px);
  border-radius: 999px;
}

.developer-panel span {
  color: var(--steel-500);
  font-size: 12px;
  font-weight: 850;
}

.developer-panel strong {
  font-size: 13px;
}

.developer-panel small {
  color: var(--steel-500);
  font-size: 11px;
  font-weight: 800;
}

@media (max-width: 1440px), (max-height: 820px) {
  .site-app {
    grid-template-columns: minmax(0, 82fr) minmax(150px, 18fr);
    grid-template-rows: minmax(0, 1fr) 38px;
    gap: 10px;
    padding: 10px;
  }

  .menu-panel {
    padding: 12px 10px;
  }

  .group-copy p,
  .group-copy li {
    font-size: 13px;
    line-height: 1.46;
  }

  .group-copy p {
    margin-bottom: 8px;
  }

  .group-copy ul {
    gap: 5px;
    margin-bottom: 9px;
    padding-left: 14px;
  }

  .notebook-panel {
    padding: 12px;
  }

  .notebook-stack span:nth-child(1) {
    inset: 34px 16px 16px 42px;
  }

  .notebook-stack span:nth-child(2) {
    inset: 21px 29px 27px 31px;
  }

  .notebook-page {
    inset: 12px 36px 34px 14px;
    padding: 22px;
  }

  .content-header {
    gap: 12px;
    margin-bottom: 12px;
  }

  .content-kicker {
    font-size: 10.5px;
  }

  h2 {
    margin-bottom: 12px;
    font-size: clamp(21px, 1.65vw, 28px);
  }

  h3 {
    font-size: 18px;
  }

  .lead {
    margin-bottom: 14px;
    font-size: clamp(15px, 1vw, 18px);
    line-height: 1.46;
  }

  p,
  li {
    font-size: 14px;
    line-height: 1.45;
  }

  .equipment-grid,
  .completed-grid,
  .partner-groups {
    gap: 10px;
  }

  .completed-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .equipment-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .equipment-card p,
  .completed-card p {
    font-size: 12.5px;
    line-height: 1.34;
  }

  .equipment-card {
    grid-template-rows: 132px minmax(100px, auto);
    min-height: 0;
  }

  .equipment-image-frame {
    min-height: 132px;
  }

  .equipment-card-content {
    min-height: 100px;
    padding: 10px 12px 12px;
  }

  .equipment-card span {
    margin-bottom: 6px;
    font-size: 10.5px;
  }

  .completed-card.image-card img {
    height: 150px;
  }

  .completed-card h3,
  .completed-card p,
  .completed-card span {
    padding-left: 12px;
    padding-right: 12px;
  }

  .completed-card h3 {
    margin-top: 8px;
    margin-bottom: 6px;
    font-size: 15.5px;
  }

  .completed-card p {
    padding-bottom: 10px;
    font-size: 12.5px;
  }

  .completed-card span {
    padding-top: 10px;
    font-size: 9.8px;
  }

  .partner-groups {
    gap: 16px;
  }

  .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .partner-card {
    min-height: 98px;
    padding: 10px 8px;
  }

  .partner-card strong {
    font-size: 13.5px;
  }

  .brand-mark img {
    max-width: 178px;
  }

  .chapters button {
    min-height: 34px;
    font-size: 11px;
  }

  .developer-panel {
    min-height: 38px;
    gap: 10px;
    padding: 7px 12px;
  }
}

@media (max-width: 980px) {
  body {
    overflow: auto;
  }

  .site-app {
    height: auto;
    min-height: 100vh;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    width: 100%;
  }

  .notebook-panel,
  .menu-panel,
  .developer-panel {
    grid-column: 1;
  }

  .notebook-panel {
    grid-row: 2;
    min-height: 680px;
  }

  .menu-panel {
    position: sticky;
    top: 10px;
    z-index: 20;
    grid-row: 1;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    padding: 10px;
  }

  .developer-panel {
    grid-row: 3;
  }

  .brand-mark img {
    max-width: 190px;
  }

  .mobile-menu-toggle {
    width: 100%;
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 10px;
    color: var(--white);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(242, 106, 33, 0.42);
    cursor: pointer;
  }

  .mobile-menu-icon {
    position: relative;
    width: 18px;
    height: 12px;
    border-top: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
  }

  .mobile-menu-icon::before {
    content: "";
    position: absolute;
    top: 3px;
    left: 0;
    width: 18px;
    height: 2px;
    background: var(--accent);
  }

  .mobile-menu-body {
    grid-column: 1 / -1;
    display: none;
    gap: 10px;
  }

  .menu-panel.mobile-menu-open .mobile-menu-body {
    display: flex;
  }

  .chapters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .chapters button.active::after {
    right: 0;
  }
}

@media (max-width: 760px) {
  .site-app {
    padding: 12px;
    gap: 12px;
  }

  .notebook-panel {
    min-height: 0;
    padding: 16px;
  }

  .notebook-stack span:nth-child(1),
  .notebook-stack span:nth-child(2) {
    display: none;
  }

  .notebook-page {
    position: relative;
    inset: auto;
    min-height: 620px;
    padding: 20px;
  }

  .content-header {
    display: block;
  }

  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 26px;
  }

  .equipment-grid,
  .equipment-card,
  .completed-grid,
  .partner-grid,
  .facility-grid {
    grid-template-columns: 1fr;
  }

  .equipment-card {
    grid-template-rows: 190px auto;
  }

  .facility-grid {
    grid-template-columns: repeat(7, minmax(112px, 1fr));
  }

  .equipment-image-frame {
    min-height: 190px;
    border-bottom: 1px solid var(--line);
  }

  .chapters {
    grid-template-columns: 1fr;
  }

  .brand-mark img {
    max-width: 170px;
  }

  .contact-line,
  .developer-panel {
    display: grid;
    justify-content: stretch;
    text-align: left;
    border-radius: 0;
  }

  .legal-row {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .contact-line strong {
    text-align: left;
  }

  .image-lightbox {
    padding: 18px;
  }

  .image-lightbox img {
    width: 92vw;
    max-width: 92vw;
    max-height: 78vh;
  }

  .lightbox-close {
    top: 12px;
    right: 12px;
  }

  .section-group .group-copy ul {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 460px) {
  .site-app {
    padding: 8px;
  }

  .menu-panel,
  .notebook-panel {
    padding: 12px;
  }

  .menu-panel {
    padding: 10px;
  }

  .brand-mark img {
    max-width: 155px;
  }

  .notebook-page {
    min-height: 600px;
    padding: 16px;
  }

  .content-body {
    padding-right: 4px;
  }

  h2 {
    font-size: 24px;
  }

  .lead {
    font-size: 15px;
  }

  .completed-grid,
  .partner-grid,
  .facility-grid {
    grid-template-columns: 1fr;
  }

  .facility-grid {
    grid-template-columns: repeat(7, minmax(112px, 1fr));
  }
}