/*
Theme Name: 3D Dynamics Engineering Starter
Author: 3D Dynamics
Description: Responsive 3D Dynamics engineering theme with a sticky navigation, approved homepage hero and interactive engineering studies.
Version: 1.23.0
Requires at least: 6.2
Requires PHP: 7.4
Text Domain: threed-dynamics
*/

:root {
  --td-navy: #071b3b;
  --td-blue: #075fb8;
  --td-blue-bright: #158bd1;
  --td-ink: #0d1d35;
  --td-muted: #5c6879;
  --td-line: #dce3eb;
  --td-surface: #f5f7fa;
  --td-white: #ffffff;
  --td-radius: 14px;
  --td-shadow: 0 18px 50px rgba(7, 27, 59, 0.1);
  --td-content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  color: var(--td-ink);
  background: var(--td-white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.admin-bar .site-header {
  top: 32px;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--td-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--td-navy);
}

button,
input,
textarea {
  font: inherit;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.screen-reader-text:focus {
  top: 8px;
  left: 8px;
  z-index: 9999;
  width: auto;
  height: auto;
  padding: 12px 18px;
  margin: 0;
  clip: auto;
  color: var(--td-white);
  background: var(--td-navy);
  border-radius: 8px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(7, 27, 59, 0.1);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  transition: box-shadow 180ms ease, background-color 180ms ease;
}

.site-header.is-scrolled {
  box-shadow: 0 10px 28px rgba(7, 27, 59, 0.1);
}

.header-inner,
.footer-inner,
.content-shell {
  width: min(calc(100% - 48px), var(--td-content));
  margin-inline: auto;
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.site-brand,
.custom-logo-link {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
}

.site-brand img,
.custom-logo {
  display: block;
  width: auto;
  max-width: 235px;
  max-height: 58px;
}

.primary-menu,
.primary-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2vw, 30px);
}

.primary-menu a {
  display: block;
  color: var(--td-ink);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  text-decoration: none;
  text-transform: uppercase;
}

.primary-menu a:hover,
.primary-menu .current-menu-item > a,
.primary-menu .current_page_item > a {
  color: var(--td-blue);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 9px;
  color: var(--td-navy);
  background: transparent;
  border: 1px solid var(--td-line);
  border-radius: 10px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
  border-radius: 999px;
}

.home .header-inner {
  min-height: 74px;
}

.homepage-hero {
  position: relative;
  background: var(--td-white);
  overflow: hidden;
}

.hero-frame {
  position: relative;
  width: min(100%, 1536px);
  margin-inline: auto;
}

.hero-frame picture {
  display: block;
}

.hero-image {
  display: block;
  width: 100%;
  height: auto;
}

.hero-hotspot {
  position: absolute;
  z-index: 2;
  display: block;
  border: 2px solid transparent;
  border-radius: 5px;
  color: transparent;
  text-decoration: none;
}

.hero-hotspot:hover,
.hero-hotspot:focus-visible {
  border-color: rgba(255, 255, 255, 0.95);
  outline: 3px solid rgba(7, 95, 184, 0.65);
  outline-offset: 2px;
}

.hero-hotspot--capabilities {
  left: 1.82%;
  top: 63.28%;
  width: 16.02%;
  height: 3.52%;
}

.hero-hotspot--projects {
  left: 19.34%;
  top: 63.28%;
  width: 11.85%;
  height: 3.52%;
}

.mobile-home-actions {
  display: none;
  gap: 12px;
  padding: 20px 20px 24px;
  background: var(--td-white);
}

.mobile-hero {
  display: none;
}

.button,
.wp-block-button__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 20px;
  color: var(--td-white);
  background: linear-gradient(135deg, var(--td-blue), #084b9a);
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 750;
  letter-spacing: 0.025em;
  text-decoration: none;
  touch-action: manipulation;
}

.construction-section {
  scroll-margin-top: 84px;
}

.button:hover,
.wp-block-button__link:hover {
  color: var(--td-white);
  background: var(--td-navy);
}

.button--outline {
  color: var(--td-blue);
  background: transparent;
  border-color: var(--td-blue);
}

.button--outline:hover {
  color: var(--td-white);
  background: var(--td-blue);
}

.button--light {
  color: var(--td-navy);
  background: var(--td-white);
  border-color: var(--td-white);
  white-space: nowrap;
}

.button--light:hover {
  color: var(--td-white);
  background: transparent;
}

.construction-section,
.contact-cta {
  scroll-margin-top: 88px;
}

.construction-section {
  position: relative;
  overflow: hidden;
  padding: clamp(78px, 9vw, 132px) 0;
  background: var(--td-surface);
}

.construction-section::after {
  content: "";
  position: absolute;
  right: -130px;
  bottom: -220px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(7, 95, 184, 0.11);
  border-radius: 50%;
  box-shadow: 0 0 0 60px rgba(7, 95, 184, 0.025), 0 0 0 120px rgba(7, 95, 184, 0.018);
}

.construction-section--navy {
  color: var(--td-white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(125deg, #06142c, #092f61);
  background-size: 44px 44px, 44px 44px, auto;
}

.construction-section--navy::after {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 60px rgba(255, 255, 255, 0.02), 0 0 0 120px rgba(255, 255, 255, 0.015);
}

.construction-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(44px, 8vw, 110px);
  align-items: center;
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--td-blue-bright);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.construction-section h2,
.contact-cta h2 {
  margin: 0;
  font-size: clamp(2.25rem, 5vw, 4.85rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

.construction-card {
  padding: clamp(28px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--td-radius);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.16);
}

.construction-card--light {
  background: var(--td-white);
  border-color: var(--td-line);
  box-shadow: var(--td-shadow);
}

.construction-card > p:last-child {
  max-width: 620px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(1.03rem, 1.7vw, 1.2rem);
}

.construction-card--light > p:last-child {
  color: var(--td-muted);
}

.status-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--td-white);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.construction-card--light .status-label {
  color: var(--td-navy);
}

.status-label span {
  width: 9px;
  height: 9px;
  background: var(--td-blue-bright);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(21, 139, 209, 0.16);
}

.engineering-studies {
  position: relative;
  overflow: hidden;
  padding: clamp(66px, 6.5vw, 96px) 0 clamp(78px, 7vw, 104px);
  color: var(--td-white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(125deg, #06142c, #092f61);
  background-size: 44px 44px, 44px 44px, auto;
  scroll-margin-top: 88px;
}

.engineering-studies::after {
  content: "";
  position: absolute;
  right: -210px;
  bottom: -315px;
  width: 640px;
  height: 640px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  box-shadow: 0 0 0 72px rgba(255, 255, 255, 0.02), 0 0 0 144px rgba(255, 255, 255, 0.014);
}

.engineering-studies__inner {
  position: relative;
  z-index: 1;
}

.engineering-studies__intro {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 1.12fr);
  gap: clamp(32px, 7vw, 94px);
  align-items: end;
  margin-bottom: clamp(34px, 4.5vw, 52px);
}

.engineering-studies__intro h2 {
  margin: 0;
  font-size: clamp(2.45rem, 4.8vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

.engineering-studies__intro h2 span {
  display: block;
}

.engineering-studies__intro > p {
  max-width: 600px;
  margin: 0 0 4px;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.65;
}

.engineering-studies__showcase {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 22px;
  align-items: stretch;
}

.engineering-studies__selector {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.engineering-studies__tabs {
  display: grid;
  height: 100%;
  grid-template-rows: repeat(3, 1fr);
  gap: 12px;
}

.engineering-study-tab {
  position: relative;
  display: grid;
  min-height: 0;
  grid-template-columns: 64px 1fr;
  padding: 14px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.72);
  text-align: left;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.engineering-study-tab:hover {
  color: var(--td-white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(3px);
}

.engineering-study-tab[aria-selected="true"] {
  color: var(--td-white);
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(76, 178, 235, 0.8);
}

.engineering-study-tab[aria-selected="true"]::before {
  content: "";
  position: absolute;
  inset: 12px auto 12px 0;
  width: 3px;
  background: var(--td-blue-bright);
  border-radius: 0 3px 3px 0;
}

.engineering-study-tab:focus-visible,
.engineering-study-viewer__open:focus-visible,
.engineering-study-viewer__controls button:focus-visible,
.engineering-study-lightbox button:focus-visible {
  outline: 3px solid var(--td-blue-bright);
  outline-offset: 3px;
}

.engineering-study-tab__thumb {
  width: 52px;
  aspect-ratio: 1;
  align-self: center;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.engineering-study-tab__copy {
  align-self: center;
  min-width: 0;
}

.engineering-study-tab__copy > span {
  display: block;
  margin-bottom: 6px;
  color: var(--td-blue-bright);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.engineering-study-tab__copy strong {
  display: block;
  color: currentColor;
  font-size: 0.86rem;
  line-height: 1.22;
  letter-spacing: 0.015em;
  text-transform: uppercase;
}

.engineering-study-tab__copy small {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.69rem;
  line-height: 1.3;
}

.engineering-study-tab__copy em {
  display: inline-flex;
  width: max-content;
  margin-top: 10px;
  padding: 4px 7px;
  color: var(--td-blue-bright);
  background: rgba(50, 164, 223, 0.08);
  border: 1px solid rgba(76, 178, 235, 0.3);
  border-radius: 999px;
  font-size: 0.56rem;
  font-style: normal;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.engineering-studies__mobile-sector {
  display: none;
}

.engineering-study-viewer {
  min-width: 0;
  overflow: hidden;
  color: var(--td-ink);
  background: var(--td-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 16px;
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.25);
}

.engineering-study-viewer__frame {
  position: relative;
  display: grid;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--td-white);
  place-items: center;
}

.engineering-study-viewer__frame > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.engineering-study-viewer__open {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  color: var(--td-white);
  background: rgba(5, 29, 61, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  font-size: 0.68rem;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.engineering-study-viewer__open:hover {
  color: var(--td-white);
  background: var(--td-blue);
}

.engineering-study-viewer__toolbar {
  display: grid;
  min-height: 58px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 10px 16px 10px 20px;
  border-top: 1px solid var(--td-line);
}

.engineering-study-viewer__count {
  color: var(--td-blue);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
}

.engineering-study-viewer__toolbar > p {
  margin: 0;
  color: var(--td-muted);
  font-size: 0.78rem;
}

.engineering-study-viewer__controls {
  display: flex;
  gap: 8px;
}

.engineering-study-viewer__controls button {
  width: 38px;
  height: 38px;
  padding: 0;
  color: var(--td-navy);
  background: #f3f7fb;
  border: 1px solid var(--td-line);
  border-radius: 10px;
  cursor: pointer;
  font-size: 1.1rem;
}

.engineering-study-viewer__controls button:hover {
  color: var(--td-white);
  background: var(--td-blue);
  border-color: var(--td-blue);
}

body.engineering-study-lightbox-open {
  overflow: hidden;
}

.engineering-study-lightbox[hidden] {
  display: none;
}

.engineering-study-lightbox {
  position: fixed;
  z-index: 10000;
  inset: 0;
  display: grid;
  overflow: auto;
  padding: 24px;
  background: rgba(2, 10, 24, 0.93);
  place-items: center;
}

.engineering-study-lightbox img {
  width: auto;
  max-width: 96vw;
  height: auto;
  max-height: 88vh;
  object-fit: contain;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.45);
  touch-action: pinch-zoom;
}

.engineering-study-lightbox button {
  position: fixed;
  z-index: 1;
  top: 18px;
  right: 18px;
  width: 46px;
  height: 46px;
  padding: 0;
  color: var(--td-white);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.4rem;
}

.engineering-study-lightbox button:hover {
  background: var(--td-blue);
}

@media (max-width: 960px) {
  .engineering-studies {
    padding: 56px 0 68px;
  }

  .engineering-studies__intro {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .engineering-studies__intro > p {
    margin: 0;
  }

  .engineering-studies__showcase {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .engineering-studies__selector {
    gap: 7px;
  }

  .engineering-studies__tabs {
    display: flex;
    width: max-content;
    height: auto;
    margin-inline: auto;
    padding: 4px;
    gap: 4px;
    background: rgba(2, 18, 44, 0.42);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
  }

  .engineering-study-tab {
    display: block;
    width: 78px;
    min-height: 34px;
    padding: 0 8px;
    text-align: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 999px;
  }

  .engineering-study-tab:hover {
    transform: none;
  }

  .engineering-study-tab[aria-selected="true"] {
    background: rgba(50, 164, 223, 0.2);
    border-color: rgba(76, 178, 235, 0.62);
  }

  .engineering-study-tab[aria-selected="true"]::before,
  .engineering-study-tab__thumb,
  .engineering-study-tab__copy strong,
  .engineering-study-tab__copy small,
  .engineering-study-tab__copy em {
    display: none;
  }

  .engineering-study-tab__copy > span {
    margin: 0;
    font-size: 0.64rem;
    letter-spacing: 0.11em;
  }

  .engineering-studies__mobile-sector {
    display: block;
    margin: 0;
    color: var(--td-blue-bright);
    font-size: 0.6rem;
    font-weight: 820;
    letter-spacing: 0.12em;
    text-align: center;
    text-transform: uppercase;
  }
}

@media (max-width: 520px) {
  .engineering-studies {
    padding: 46px 0 56px;
  }

  .engineering-studies__intro {
    margin-bottom: 28px;
  }

  .engineering-studies__intro h2 {
    font-size: clamp(2.35rem, 12vw, 3.08rem);
  }

  .engineering-studies__intro > p {
    font-size: 0.94rem;
    line-height: 1.55;
  }

  .engineering-study-viewer {
    border-radius: 12px;
  }

  .engineering-study-viewer__open {
    right: 8px;
    bottom: 8px;
    padding: 6px 9px;
    font-size: 0.55rem;
  }

  .engineering-study-viewer__toolbar {
    min-height: 40px;
    grid-template-columns: auto 1fr auto;
    gap: 7px;
    padding: 4px 8px 4px 12px;
  }

  .engineering-study-viewer__toolbar > p {
    display: none;
  }

  .engineering-study-viewer__count {
    font-size: 0.7rem;
  }

  .engineering-study-viewer__controls {
    gap: 5px;
  }

  .engineering-study-viewer__controls button {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    font-size: 0.95rem;
  }

  .engineering-study-lightbox {
    padding: 10px;
  }

  .engineering-study-lightbox img {
    width: min(1536px, 390vw);
    max-width: none;
    max-height: none;
  }
}

/* Engineering Studies v1.23.0 — approved desktop and mobile presentation. */
.engineering-studies__inner {
  width: min(calc(100% - 48px), 1536px);
}

.engineering-studies__copy--mobile,
.engineering-studies__mobile {
  display: none;
}

.engineering-studies__copy--desktop {
  display: block;
}

.engineering-studies__desktop {
  position: relative;
  z-index: 2;
  display: block;
}

.engineering-studies__tabs {
  display: grid;
  width: 100%;
  height: auto;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: none;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.engineering-study-tab {
  position: relative;
  z-index: 3;
  display: grid;
  width: auto;
  min-width: 0;
  min-height: 0;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 11px;
  row-gap: 2px;
  align-items: center;
  padding: 10px 13px;
  color: rgba(255, 255, 255, 0.68);
  text-align: left;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 9px;
  pointer-events: auto;
  touch-action: manipulation;
}

.engineering-study-tab:hover {
  color: var(--td-white);
  background: rgba(255, 255, 255, 0.1);
  transform: none;
}

.engineering-study-tab[aria-selected="true"] {
  color: var(--td-white);
  background: rgba(50, 164, 223, 0.16);
  border-color: rgba(76, 178, 235, 0.7);
}

.engineering-study-tab[aria-selected="true"]::before {
  display: none;
}

.engineering-study-tab > span {
  grid-row: 1 / 3;
  color: var(--td-blue-bright);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.engineering-study-tab > strong {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: currentColor;
  font-size: 0.78rem;
  line-height: 1.2;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.engineering-study-tab > small {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.68rem;
  line-height: 1.2;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.engineering-study-viewer {
  display: block;
  overflow: hidden;
  background: var(--td-white);
  border: 0;
  border-radius: 12px;
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.26);
}

.engineering-study-viewer > img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.engineering-study-card__link:focus-visible {
  outline: 3px solid var(--td-blue-bright);
  outline-offset: -3px;
}

@media (max-width: 900px) {
  .engineering-studies {
    padding: 48px 0 52px;
    color: var(--td-ink);
    background: var(--td-white);
    border-top: 1px solid var(--td-line);
  }

  .engineering-studies::after {
    display: none;
  }

  .engineering-studies__inner {
    width: 100%;
  }

  .engineering-studies__intro {
    display: block;
    margin: 0 0 24px;
    padding: 0 20px;
  }

  .engineering-studies__intro h2 {
    margin: 0;
    color: var(--td-navy);
    font-size: clamp(2.45rem, 9vw, 3.6rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.045em;
    text-transform: none;
  }

  .engineering-studies__intro h2 span {
    display: block;
  }

  .engineering-studies__intro .section-kicker {
    color: var(--td-blue-bright);
  }

  .engineering-studies__copy--desktop,
  .engineering-studies__desktop {
    display: none;
  }

  .engineering-studies__copy--mobile {
    display: block;
    max-width: 620px;
    margin: 15px 0 0;
    color: var(--td-muted);
    font-size: 0.9rem;
    line-height: 1.5;
  }

  .engineering-studies__mobile {
    position: relative;
    display: block;
    width: 100%;
    min-width: 0;
    overflow: hidden;
  }

  .engineering-studies__mobile-track {
    display: flex;
    width: 100%;
    min-width: 0;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 16px;
    padding: 0 20px 22px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-padding-inline: 20px;
    scroll-snap-type: inline mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .engineering-studies__mobile-track::-webkit-scrollbar {
    display: none;
  }

  .engineering-study-card {
    flex: 0 0 min(82vw, 560px);
    min-width: min(82vw, 560px);
    overflow: hidden;
    margin: 0;
    background: var(--td-white);
    border: 1px solid var(--td-line);
    border-radius: var(--td-radius);
    box-shadow: 0 16px 38px rgba(7, 27, 59, 0.1);
    scroll-snap-align: center;
  }

  .engineering-study-card > header {
    display: grid;
    min-height: 48px;
    grid-template-columns: minmax(74px, auto) minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
  }

  .engineering-study-card > header strong {
    color: var(--td-blue);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .engineering-study-card > header span {
    justify-self: end;
    color: var(--td-muted);
    font-size: 0.68rem;
    line-height: 1.2;
    text-align: right;
    text-transform: uppercase;
  }

  .engineering-study-card__image {
    aspect-ratio: 2 / 3;
    padding: 7px;
    overflow: hidden;
    background: var(--td-white);
  }

  .engineering-study-card__image img {
    display: block;
    width: 100%;
    height: 100%;
    margin-inline: auto;
    object-fit: contain;
    object-position: center center;
  }

  .engineering-study-card__link {
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    color: var(--td-blue);
    background: var(--td-white);
    border-top: 1px solid var(--td-line);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-decoration: none;
    text-transform: uppercase;
  }

  .engineering-study-card__link:hover {
    color: var(--td-blue);
    background: var(--td-white);
  }

  .engineering-studies__mobile-scroll {
    position: relative;
    height: 6px;
    margin: 2px 20px 0;
    overflow: hidden;
    background: #d8e7f4;
    border-radius: 999px;
  }

  .engineering-studies__mobile-scroll > span {
    display: block;
    width: 34%;
    height: 100%;
    background: var(--td-blue);
    border-radius: inherit;
    transform: translateX(0);
    will-change: transform;
  }
}

@media (max-width: 680px) {
  .engineering-studies__intro {
    padding-inline: 18px;
  }

  .engineering-studies__mobile-track {
    gap: 22px;
    padding-inline: 22px;
    scroll-padding-inline: 22px;
  }

  .engineering-study-card {
    flex-basis: calc(100vw - 44px);
    min-width: calc(100vw - 44px);
  }

  .engineering-studies__mobile-scroll {
    margin-inline: 18px;
  }
}

.lifecycle-section {
  padding: clamp(76px, 8vw, 120px) 0;
  background: var(--td-white);
  scroll-margin-top: 88px;
}

.lifecycle-intro {
  max-width: 880px;
}

.lifecycle-intro h2 {
  max-width: 820px;
  margin: 0;
  color: var(--td-navy);
  font-size: clamp(2.1rem, 4.5vw, 4.25rem);
  line-height: 1.03;
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

.lifecycle-intro > p:last-child {
  max-width: 800px;
  margin: 24px 0 0;
  color: var(--td-muted);
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
}

.lifecycle-flow {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
  padding: 0;
  margin: clamp(40px, 6vw, 72px) 0;
  list-style: none;
}

.lifecycle-flow li {
  min-height: 118px;
  padding: 18px 14px;
  background: linear-gradient(155deg, #f8fafc, #eef3f8);
  border: 1px solid var(--td-line);
  border-radius: 12px;
}

.lifecycle-flow span {
  display: block;
  margin-bottom: 24px;
  color: var(--td-blue);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.lifecycle-flow strong {
  display: block;
  color: var(--td-navy);
  font-size: 0.9rem;
  line-height: 1.28;
}

.operations-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.operation-card {
  padding: clamp(26px, 3vw, 38px);
  background: var(--td-surface);
  border: 1px solid var(--td-line);
  border-top: 4px solid var(--td-blue);
  border-radius: var(--td-radius);
  scroll-margin-top: 96px;
}

.operation-card .status-label {
  color: var(--td-navy);
  font-size: 0.7rem;
}

.operation-card h3 {
  margin: 28px 0 12px;
  color: var(--td-navy);
  font-size: clamp(1.65rem, 2.4vw, 2.25rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.operation-card > p:not(.status-label) {
  margin: 0;
  color: var(--td-muted);
}

.operation-card ul {
  display: grid;
  gap: 8px;
  padding-left: 19px;
  margin: 24px 0 0;
  color: var(--td-ink);
  font-size: 0.92rem;
}

.contact-cta {
  min-height: calc(100vh - 92px);
  min-height: calc(100svh - 92px);
  padding: clamp(66px, 8vw, 110px) 0;
  color: var(--td-white);
  background: linear-gradient(120deg, var(--td-blue), #083b78 62%, var(--td-navy));
}

@media (min-width: 901px) {
  .contact-cta {
    padding-top: clamp(42px, 5vw, 64px);
    padding-bottom: clamp(54px, 6vw, 76px);
  }
}

.contact-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  align-items: center;
  gap: clamp(36px, 8vw, 100px);
}

.contact-cta h2 {
  max-width: 850px;
  font-size: clamp(2rem, 4.2vw, 4.1rem);
}

.contact-cta__intro > p:not(.section-kicker) {
  max-width: 700px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.76);
}

.contact-card {
  padding: clamp(28px, 4vw, 42px);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--td-radius);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.16);
}

.contact-card .contact-company {
  display: grid;
  gap: 2px;
  margin: 0;
  color: var(--td-white);
  font-size: 1rem;
  font-weight: 800;
}

.contact-company strong {
  font-size: 1.4rem;
  letter-spacing: 0.01em;
}

.contact-company span {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 650;
}

.contact-card address {
  display: grid;
  gap: 20px;
  margin: 24px 0 26px;
  color: rgba(255, 255, 255, 0.76);
  font-style: normal;
}

.contact-card address a {
  width: fit-content;
  color: var(--td-white);
  overflow-wrap: anywhere;
}

.contact-card address .contact-email {
  color: var(--td-white);
  overflow-wrap: anywhere;
}

.contact-facility-status {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: center;
  column-gap: 18px;
  width: 100%;
  margin: 0;
  color: var(--td-white);
}

.contact-facility-status svg {
  justify-self: start;
  width: 42px;
  height: 42px;
  color: #8ed8ff;
}

.contact-facility-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
  line-height: 1.25;
}

.contact-facility-copy strong {
  color: var(--td-white);
  font-size: 1.04rem;
  font-weight: 850;
  letter-spacing: 0.025em;
}

.contact-facility-copy > span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.98rem;
  font-weight: 650;
}

.contact-facility-copy .contact-facility-address {
  display: grid;
  gap: 2px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.98rem;
  font-weight: 400;
  line-height: 1.4;
}

.contact-card address a:hover {
  color: #b9e5ff;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(68px, 9vw, 120px) 0;
  color: var(--td-white);
  background:
    radial-gradient(circle at 80% 10%, rgba(25, 142, 214, 0.3), transparent 36%),
    linear-gradient(125deg, #06162f, #0a3368 70%, #0863ad);
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -190px;
  width: 470px;
  height: 470px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  box-shadow: 0 0 0 56px rgba(255, 255, 255, 0.035), 0 0 0 112px rgba(255, 255, 255, 0.025);
}

.page-hero h1 {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.7rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
  text-transform: uppercase;
}

.page-hero p {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.12rem;
}

.page-content,
.post-content {
  padding: clamp(54px, 7vw, 96px) 0;
}

.prose {
  max-width: 860px;
  font-size: 1.05rem;
}

.prose > *:first-child {
  margin-top: 0;
}

.prose h2,
.prose h3 {
  color: var(--td-navy);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.prose h2 {
  margin-top: 2.25em;
  font-size: clamp(1.65rem, 3vw, 2.45rem);
}

.prose h3 {
  margin-top: 1.8em;
  font-size: 1.35rem;
}

.prose p,
.prose li {
  color: #364255;
}

.prose .lead {
  color: var(--td-ink);
  font-size: clamp(1.18rem, 2vw, 1.45rem);
}

.prose ul,
.prose ol {
  padding-left: 1.3em;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}

.contact-panel {
  padding: clamp(24px, 4vw, 42px);
  background: var(--td-surface);
  border: 1px solid var(--td-line);
  border-radius: var(--td-radius);
  box-shadow: var(--td-shadow);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.contact-form .field--wide,
.contact-form .form-actions,
.contact-form .form-notice {
  grid-column: 1 / -1;
}

.contact-form label {
  display: block;
  margin-bottom: 6px;
  color: var(--td-navy);
  font-size: 0.9rem;
  font-weight: 750;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--td-ink);
  background: var(--td-white);
  border: 1px solid #cbd5e1;
  border-radius: 8px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--td-blue);
  outline: 3px solid rgba(7, 95, 184, 0.15);
}

.contact-form textarea {
  min-height: 170px;
  resize: vertical;
}

.form-notice {
  padding: 12px 14px;
  border-radius: 8px;
}

.form-notice--success {
  color: #0b5b35;
  background: #e9f8f0;
  border: 1px solid #a9dec3;
}

.form-notice--error {
  color: #8a2330;
  background: #fff0f1;
  border: 1px solid #efbec4;
}

.honeypot {
  position: absolute !important;
  left: -9999px !important;
}

.site-footer {
  padding: 46px 0 26px;
  color: rgba(255, 255, 255, 0.72);
  background: #06142c;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 1fr;
  gap: 48px;
  align-items: start;
}

.footer-brand img {
  width: 240px;
  max-height: 92px;
  object-fit: contain;
  object-position: left center;
  filter: brightness(1.18);
}

.footer-tagline {
  max-width: 470px;
  margin: 18px 0 0;
}

.footer-menu {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-menu a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

.footer-menu a:hover {
  color: var(--td-white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.88rem;
}

.archive-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding: 0;
  list-style: none;
}

.archive-card {
  padding: 24px;
  border: 1px solid var(--td-line);
  border-radius: var(--td-radius);
}

.archive-card h2 {
  margin-top: 0;
}

@media (max-width: 1100px) {
  body.admin-bar .site-header {
    top: 46px;
  }

  .home .header-inner {
    min-height: 68px;
    justify-content: space-between;
  }

  .menu-toggle {
    display: block;
  }

  .primary-navigation {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    padding: 12px 24px 24px;
    background: var(--td-white);
    border-bottom: 1px solid var(--td-line);
    box-shadow: 0 18px 30px rgba(7, 27, 59, 0.1);
  }

  .primary-navigation.is-open {
    display: block;
  }

  .primary-menu {
    display: grid;
    gap: 0;
  }

  .primary-menu a {
    padding: 12px 4px;
    border-bottom: 1px solid var(--td-line);
  }

  .construction-layout,
  .contact-grid,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .contact-cta__inner {
    grid-template-columns: 1fr;
  }

  .lifecycle-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
	.contact-cta {
		min-height: auto;
		padding: 44px 0 38px;
	}

	.contact-cta__inner {
		gap: 28px;
	}

	.contact-card {
		padding: 24px 26px 22px;
	}

	.contact-company strong {
		font-size: 1.36rem;
	}

	.contact-card address {
		gap: 20px;
		margin: 24px 0 18px;
	}

	.contact-facility-status {
		grid-template-columns: 44px minmax(0, 1fr);
		column-gap: 16px;
		margin: 0;
	}

	.contact-facility-status svg {
		width: 40px;
		height: 40px;
	}

	.contact-facility-copy strong {
		font-size: clamp(0.94rem, 3.6vw, 1.04rem);
	}

	.contact-facility-copy .contact-facility-address {
		font-size: clamp(0.9rem, 3.6vw, 0.98rem);
	}

	.contact-card > .button {
		min-height: 42px;
		padding: 8px 17px;
	}

  .hero-frame--desktop {
    display: none;
  }

  .mobile-hero {
    display: block;
    padding-bottom: 48px;
    background: var(--td-white);
  }

  .mobile-hero__copy {
    padding: clamp(34px, 7vw, 58px) 20px 20px;
  }

  .mobile-hero__eyebrow {
    margin: 0 0 20px;
    color: var(--td-blue);
    font-size: clamp(0.78rem, 2.2vw, 0.94rem);
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .mobile-hero__title {
    display: grid;
    margin: 0;
    color: var(--td-navy);
    font-size: clamp(2.65rem, 9.5vw, 5.25rem);
    font-weight: 850;
    line-height: 0.96;
    letter-spacing: -0.055em;
    text-transform: uppercase;
  }

  .mobile-hero__title-accent {
    color: var(--td-blue);
  }

  .mobile-hero__summary {
    max-width: 680px;
    padding-top: 22px;
    margin: 26px 0 0;
    color: var(--td-ink);
    border-top: 2px solid rgba(7, 95, 184, 0.22);
    font-size: clamp(1rem, 2.8vw, 1.18rem);
    line-height: 1.6;
  }

  .mobile-hero__summary strong {
    color: var(--td-blue);
  }

  .mobile-capability-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    padding: 0;
    margin: 30px 0 0;
    list-style: none;
  }

  .mobile-capability-list li {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    padding: 16px;
    background: var(--td-surface);
    border: 1px solid var(--td-line);
    border-radius: 12px;
  }

  .mobile-capability-list li > span {
    color: var(--td-blue);
    font-size: 0.75rem;
    font-weight: 850;
    letter-spacing: 0.08em;
  }

  .mobile-capability-list strong,
  .mobile-capability-list small {
    display: block;
  }

  .mobile-capability-list strong {
    color: var(--td-navy);
    font-size: 0.86rem;
    line-height: 1.25;
    text-transform: uppercase;
  }

  .mobile-capability-list small {
    margin-top: 5px;
    color: var(--td-muted);
    font-size: 0.76rem;
    line-height: 1.4;
  }

  .mobile-product {
    position: relative;
    margin: 18px 0 0;
    overflow: visible;
    background: var(--td-white);
  }

  .mobile-product picture,
  .mobile-product img {
    display: block;
    width: 100%;
  }

  .mobile-product img {
    height: auto;
    transform: none;
  }

  .mobile-home-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 24px 20px 38px;
  }

  .mobile-home-actions .button {
    min-height: 54px;
    font-size: 0.9rem;
    text-align: center;
  }

  .mobile-analysis {
    padding: 48px 0 0;
    border-top: 1px solid var(--td-line);
  }

  .mobile-analysis__intro {
    padding: 0 20px;
  }

  .mobile-analysis__intro h2 {
    margin: 0;
    color: var(--td-navy);
    font-size: clamp(2rem, 7vw, 3.25rem);
    line-height: 1.02;
    letter-spacing: -0.045em;
    text-transform: uppercase;
  }

  .mobile-analysis__intro > p:last-child {
    max-width: 620px;
    margin: 14px 0 28px;
    color: var(--td-muted);
  }

  .mobile-analysis__track {
    display: flex;
    gap: 16px;
    padding: 0 20px 22px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-padding-inline: 20px;
    scroll-snap-type: inline mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .mobile-analysis__track::-webkit-scrollbar {
    display: none;
  }

  .mobile-analysis-scroll {
    position: relative;
    height: 6px;
    margin: 2px 20px 0;
    overflow: hidden;
    background: #d8e7f4;
    border-radius: 999px;
  }

  .mobile-analysis-scroll__thumb {
    display: block;
    width: 25%;
    height: 100%;
    background: var(--td-blue);
    border-radius: inherit;
    transform: translateX(0);
    will-change: transform;
  }

  .mobile-analysis-card {
    flex: 0 0 min(82vw, 560px);
    overflow: hidden;
    background: var(--td-white);
    border: 1px solid var(--td-line);
    border-radius: var(--td-radius);
    box-shadow: 0 16px 38px rgba(7, 27, 59, 0.1);
    scroll-snap-align: start;
  }

  .mobile-analysis-card > header {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    padding: 20px 20px 16px;
  }

  .mobile-analysis-card > header > span {
    color: var(--td-blue);
    font-size: 0.76rem;
    font-weight: 850;
    letter-spacing: 0.1em;
  }

  .mobile-analysis-card h3 {
    margin: 0;
    color: var(--td-navy);
    font-size: 1rem;
    line-height: 1.25;
    text-transform: uppercase;
  }

  .mobile-analysis-card header p {
    margin: 4px 0 0;
    color: var(--td-muted);
    font-size: 0.78rem;
    line-height: 1.35;
  }

  .mobile-analysis-card__image {
    aspect-ratio: 3 / 2;
    padding: 7px;
    overflow: hidden;
    background: var(--td-white);
  }

  .mobile-analysis-card__image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform: none;
  }

  .mobile-analysis-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin: 0;
    background: var(--td-line);
    border-top: 1px solid var(--td-line);
    border-bottom: 1px solid var(--td-line);
  }

  .mobile-analysis-metrics > div {
    padding: 13px 15px;
    background: var(--td-white);
  }

  .mobile-analysis-metrics dt {
    color: var(--td-muted);
    font-size: 0.64rem;
    font-weight: 750;
    letter-spacing: 0.07em;
    line-height: 1.25;
    text-transform: uppercase;
  }

  .mobile-analysis-metrics dd {
    margin: 5px 0 0;
    color: var(--td-navy);
    font-size: 1rem;
    font-weight: 850;
    line-height: 1.2;
  }

  .mobile-analysis-metrics .metric-ok {
    color: #11733d;
  }

  .mobile-analysis-card__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
    padding: 12px 18px;
    color: var(--td-blue);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-decoration: none;
    text-transform: uppercase;
  }

  .mobile-analysis-card__link:hover {
    color: var(--td-white);
    background: var(--td-blue);
  }

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

  .hero-hotspot {
    display: none;
  }
}

@media (max-width: 680px) {
  .header-inner,
  .footer-inner,
  .content-shell {
    width: min(calc(100% - 32px), var(--td-content));
  }

  .site-brand img,
  .custom-logo {
    max-width: 185px;
    max-height: 50px;
  }

  .mobile-home-actions {
    grid-template-columns: 1fr;
  }

  .mobile-capability-list {
    grid-template-columns: 1fr;
  }

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

  .mobile-analysis-card {
    flex-basis: 88vw;
  }

  .page-hero {
    padding: 58px 0 66px;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .contact-form .field,
  .contact-form .field--wide {
    grid-column: 1;
  }

  .archive-list {
    grid-template-columns: 1fr;
  }

  .footer-menu {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}