/* ============================================
   RESET & BASE
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  line-height: 1.7;
  color: var(--color-text-secondary);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
  line-height: 1.2;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 150ms ease;
}

a:hover {
  color: var(--color-accent-dark);
}

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

/* ============================================
   ACCESSIBILITY
   ============================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-xs);
  background: var(--color-accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  z-index: 1000;
  font-size: var(--font-size-small);
  font-weight: 600;
}

.skip-link:focus {
  top: var(--spacing-xs);
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.section-heading {
  font-size: var(--font-size-h2);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.section-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  font-size: var(--font-size-body);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  font-family: var(--font-family);
  font-size: var(--font-size-nav);
  font-weight: 600;
  line-height: 1;
  padding: 14px 32px;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: background-color 200ms ease, transform 150ms ease, box-shadow 200ms ease;
  text-align: center;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

.btn--primary:hover {
  background-color: var(--color-accent-dark);
  color: #fff;
  box-shadow: 0 4px 8px rgba(13,148,136,0.2);
}

.btn--primary:active {
  transform: translateY(1px);
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-background);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  z-index: 100;
  display: flex;
  align-items: center;
}

.nav__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav__logo:hover {
  color: var(--color-text);
}

.nav__links {
  display: flex;
  gap: 32px;
}

.nav__link {
  font-size: var(--font-size-nav);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 150ms ease, border-color 150ms ease;
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__link.active {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
}

/* Hamburger */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 200ms ease, opacity 200ms ease;
}

/* ============================================
   MOBILE NAVIGATION OVERLAY
   ============================================ */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-background);
  z-index: 200;
  transition: right 300ms ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav__content {
  text-align: center;
}

.mobile-nav__close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  padding: 8px;
}

.mobile-nav__link {
  display: block;
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text);
  padding: 16px 0;
  text-decoration: none;
  transition: color 150ms ease;
}

.mobile-nav__link:hover {
  color: var(--color-accent);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 40px) var(--spacing-sm) 80px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero__bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__container {
  position: relative;
  z-index: 1;
  max-width: 700px;
  text-align: center;
}

.hero__headline {
  font-size: var(--font-size-hero);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.hero__subheadline {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
}

.hero__cta {
  text-decoration: none;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  padding: var(--spacing-section) 0;
  background: var(--color-background);
}

.about__text {
  max-width: 720px;
  margin: 0 auto var(--spacing-lg);
}

.about__text p {
  margin-bottom: 1.5em;
}

.about__text p:last-child {
  margin-bottom: 0;
}

/* Value Cards */
.values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.value-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  text-align: center;
  transition: box-shadow 200ms ease, transform 200ms ease;
}

.value-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.value-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-accent);
}

.value-card__title {
  font-size: var(--font-size-h3);
  font-weight: 600;
  margin-bottom: 8px;
}

.value-card__description {
  font-size: var(--font-size-small);
  line-height: 1.5;
}

/* ============================================
   SOLUTIONS SECTION
   ============================================ */
.solutions {
  padding: var(--spacing-section) 0;
  background: var(--color-background-alt);
}

.solutions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.solution-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  border-top: 3px solid transparent;
  display: flex;
  flex-direction: column;
  transition: box-shadow 250ms ease, transform 250ms ease;
}

.solution-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

.solution-card--teal  { border-top-color: var(--color-accent); }
.solution-card--slate { border-top-color: var(--color-slate-mid); }
.solution-card--amber { border-top-color: var(--color-amber); }

.solution-card__icon {
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.solution-card--slate .solution-card__icon { color: var(--color-slate-mid); }
.solution-card--amber .solution-card__icon { color: var(--color-amber); }

.solution-card__title {
  font-size: var(--font-size-h3);
  font-weight: 600;
  margin-bottom: 12px;
}

.solution-card__description {
  font-size: var(--font-size-body);
  line-height: 1.7;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  padding: var(--spacing-section) 0;
  background: var(--color-background);
}

.contact__layout {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
  align-items: start;
}

/* Form */
.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  font-size: var(--font-size-small);
  font-weight: 500;
  color: var(--color-slate-mid);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  font-family: var(--font-family);
  font-size: 16px;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background: var(--color-background);
  color: var(--color-text);
  transition: border-color 200ms ease, box-shadow 200ms ease;
  line-height: 1.5;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #94A3B8;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Form validation */
.form-error {
  display: none;
  font-size: 13px;
  color: #EF4444;
  margin-top: 4px;
}

.form-group.error input,
.form-group.error textarea {
  border-color: #EF4444;
}

.form-group.error .form-error {
  display: block;
}

/* Contact info sidebar */
.contact__info {
  padding-top: 36px;
}

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-secondary);
  font-size: var(--font-size-nav);
}

.contact__info-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__info-item a {
  color: var(--color-accent);
  text-decoration: none;
}

.contact__info-item a:hover {
  text-decoration: underline;
}

/* Success message */
.contact__success {
  text-align: center;
  padding: var(--spacing-lg) 0;
  max-width: 480px;
  margin: 0 auto;
}

.contact__success svg {
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.contact__success h3 {
  font-size: var(--font-size-h3);
  margin-bottom: 8px;
}

.contact__success p {
  color: var(--color-text-secondary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-primary);
  padding: 40px 0;
}

.footer__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__logo {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

.footer__nav {
  display: flex;
  gap: 24px;
}

.footer__nav a {
  font-size: var(--font-size-small);
  color: #94A3B8;
  text-decoration: none;
  transition: color 150ms ease;
}

.footer__nav a:hover {
  color: #fff;
}

.footer__copyright {
  font-size: var(--font-size-small);
  color: #94A3B8;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE: TABLET
   ============================================ */
@media (max-width: 1023px) {
  .values {
    grid-template-columns: repeat(2, 1fr);
  }

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

  /* Third solution card spans full width on tablet */
  .solutions__grid .solution-card:nth-child(3) {
    grid-column: 1 / -1;
    max-width: 480px;
    margin: 0 auto;
  }

  .contact__layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .contact__info {
    padding-top: 0;
  }
}

/* ============================================
   RESPONSIVE: MOBILE
   ============================================ */
@media (max-width: 767px) {
  :root {
    --nav-height: 60px;
  }

  /* Show hamburger, hide desktop nav */
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + 60px);
    padding-bottom: 60px;
  }

  .hero__subheadline {
    font-size: 16px;
  }

  /* Values stack to single column */
  .values {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .value-card {
    display: flex;
    align-items: center;
    text-align: left;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
  }

  .value-card__icon {
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .value-card__title {
    font-size: 16px;
    margin-bottom: 4px;
  }

  .value-card__description {
    font-size: 13px;
  }

  /* Solutions */
  .solutions__grid {
    grid-template-columns: 1fr;
  }

  .solutions__grid .solution-card:nth-child(3) {
    max-width: none;
  }

  /* Footer */
  .footer__container {
    flex-direction: column;
    text-align: center;
  }

  .footer__nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Full-width button on mobile */
  .btn--full-mobile {
    width: 100%;
  }
}

/* ============================================
   SOLUTION CARD — BI&A doorway link (§4.1)
   ============================================ */
.solution-card__link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: var(--spacing-sm);
  font-size: var(--font-size-nav);
  font-weight: 600;
  color: var(--color-accent);
}

.solution-card__link:hover {
  color: var(--color-accent-dark);
}

/* ============================================
   INDUSTRIES — the core (four pillars row)
   ============================================ */
.industries__core {
  max-width: 960px;
  margin: 0 auto var(--spacing-lg);
}

.core-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.core-pillar {
  border-top: 2px solid var(--color-accent);
  padding-top: 12px;
}

.core-pillar__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.35;
  margin-bottom: 6px;
}

.core-pillar p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.industries__arc {
  max-width: 720px;
  margin: var(--spacing-md) auto 0;
  text-align: center;
  font-size: var(--font-size-body);
  font-weight: 500;
  color: var(--color-text);
}

/* ============================================
   INDUSTRIES SECTION (homepage teaser)
   ============================================ */
.industries {
  padding: var(--spacing-section) 0;
  background: var(--color-background);
}

.industries__intro {
  max-width: 720px;
}

/* Flagship cards: 3x2 desktop */
.industries__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.industry-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  transition: box-shadow 250ms ease, transform 250ms ease;
}

.industry-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

/* Left accent cycles through the palette so the six read as one family */
.industry-card:nth-child(3n+1) { border-left-color: var(--color-accent); }
.industry-card:nth-child(3n+2) { border-left-color: var(--color-slate-mid); }
.industry-card:nth-child(3n+3) { border-left-color: var(--color-amber); }

.industry-card__icon { margin-bottom: var(--spacing-xs); }
.industry-card:nth-child(3n+1) .industry-card__icon { color: var(--color-accent); }
.industry-card:nth-child(3n+2) .industry-card__icon { color: var(--color-slate-mid); }
.industry-card:nth-child(3n+3) .industry-card__icon { color: var(--color-amber); }

.industry-card__title {
  font-size: var(--font-size-h3);
  font-weight: 600;
  margin-bottom: 8px;
}

.industry-card__summary {
  font-size: var(--font-size-small);
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.industry-card__body {
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: var(--spacing-xs);
}

.industry-card__uses {
  list-style: none;
  margin: 0 0 var(--spacing-sm);
  padding-top: var(--spacing-xs);
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 20px;
}

.industry-card__uses li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--color-text-secondary);
}

.industry-card__uses li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
}

.industry-card__more {
  margin-top: auto;
  font-size: var(--font-size-nav);
  font-weight: 600;
  color: var(--color-accent);
}

.industry-card__more:hover { color: var(--color-accent-dark); }

/* Also building for — secondary band */
.industries__secondary,
.industries__deliver {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.industries__subheading {
  font-size: var(--font-size-h3);
  font-weight: 600;
  text-align: center;
  margin-bottom: 12px;
}

.industries__subintro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--spacing-md);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

.secondary-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.secondary-band__item dt {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1.35;
  margin-bottom: 4px;
}

.secondary-band__item dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.industries__index-link {
  text-align: center;
  margin-top: var(--spacing-md);
  font-weight: 600;
}

/* How we deliver */
.deliver-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.deliver-card {
  background: var(--color-background-alt);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
}

.deliver-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.deliver-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.industries__closing {
  max-width: 720px;
  margin: var(--spacing-md) auto 0;
  text-align: center;
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
}

/* ============================================
   INDUSTRY DETAIL + INDEX PAGES
   ============================================ */
.industry-page {
  padding: calc(var(--nav-height) + 48px) var(--spacing-sm) var(--spacing-section);
}

/* Detail article — single readable column */
.detail {
  max-width: 720px;
  margin: 0 auto;
}

.detail__back,
.industry-index .detail__back {
  display: inline-block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-small);
  font-weight: 500;
}

.detail h1 {
  font-size: var(--font-size-h2);
  font-weight: 600;
  margin-bottom: 8px;
}

.page-date {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.detail .lede {
  font-size: 20px;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.detail h2 {
  font-size: var(--font-size-h3);
  font-weight: 600;
  margin-top: var(--spacing-lg);
  margin-bottom: 12px;
}

.detail p {
  margin-bottom: 1.2em;
}

.detail .measures {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2em;
}

.detail .measures li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  line-height: 1.5;
}

.detail .measures li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.cross-note {
  background: var(--color-accent-light);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
}

.detail__cta {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  font-weight: 600;
}

.detail__cta-sep { color: var(--color-border); margin: 0 6px; }

/* Index page */
.industry-index {
  max-width: var(--max-width);
}

.industry-index h1 {
  font-size: var(--font-size-h2);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.industry-index .lede {
  font-size: 18px;
  line-height: 1.7;
  max-width: 760px;
  margin-bottom: var(--spacing-lg);
}

.idx-section-heading {
  font-size: var(--font-size-h3);
  font-weight: 600;
  margin: var(--spacing-lg) 0 var(--spacing-sm);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.idx-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.idx-card {
  display: flex;
  flex-direction: column;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  color: inherit;
  transition: box-shadow 250ms ease, transform 250ms ease;
}

.idx-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transform: translateY(-4px);
  color: inherit;
}

.idx-card__icon { color: var(--color-accent); margin-bottom: var(--spacing-xs); }

.idx-card__title {
  font-size: var(--font-size-h3);
  font-weight: 600;
  margin-bottom: 8px;
}

.idx-card__summary {
  font-size: var(--font-size-small);
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.idx-card__more {
  margin-top: auto;
  font-size: var(--font-size-nav);
  font-weight: 600;
  color: var(--color-accent);
}

.idx-rows {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.idx-row {
  display: block;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-slate-mid);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm);
  color: inherit;
  transition: box-shadow 200ms ease, transform 200ms ease;
}

.idx-row:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  transform: translateY(-2px);
  color: inherit;
}

.idx-row__title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1.35;
  margin-bottom: 4px;
}

.idx-row__text {
  display: block;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.idx-delivery {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  max-width: 760px;
}

.idx-delivery h2 {
  font-size: var(--font-size-h3);
  font-weight: 600;
  margin-bottom: 12px;
}

/* ============================================
   RESPONSIVE — INDUSTRIES (tablet)
   ============================================ */
@media (max-width: 1023px) {
  .core-grid { grid-template-columns: repeat(2, 1fr); }
  .industries__grid { grid-template-columns: repeat(2, 1fr); }
  .secondary-band { grid-template-columns: repeat(2, 1fr); }
  .deliver-grid { grid-template-columns: 1fr; }
  .idx-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   RESPONSIVE — INDUSTRIES (mobile)
   ============================================ */
@media (max-width: 767px) {
  .core-grid { grid-template-columns: 1fr; }
  .industries__grid { grid-template-columns: 1fr; }
  .industry-card__uses { grid-template-columns: 1fr; }
  .secondary-band { grid-template-columns: 1fr; }
  .idx-grid { grid-template-columns: 1fr; }
  .idx-rows { grid-template-columns: 1fr; }

  .detail .lede { font-size: 18px; }
}