/* ============================================================
   C&S AIR PRODUCTS — RESPONSIVE STYLESHEET
   Mobile-first: unqueried rules below are the small-screen
   (< 768px) styles. min-width media queries layer up:
     @media (min-width: 768px)  → tablet and up
     @media (min-width: 1200px) → desktop only
   ============================================================ */

/* ---------- CSS CUSTOM PROPERTIES ---------- */
:root {
  --color-navy: #0b5388;
  --color-navy-dark: rgb(0,33,68);
  --color-teal: #00baf2;
  --color-teal-dark: rgb(0,102,144);
  --color-blue-link: #1a73e8;
  --color-orange: #e05d1a;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-off-white: #f1f3f3;
  --color-light-gray: rgb(183,186,192);
  --color-mid-gray: rgb(71,76,85);
  --color-text: #1c2b4a;
  --color-text-light: #5a6479;
  --color-border: #dde2ec;
  --color-resources-bg: #003087;

  /* --font-display: 'Barlow Condensed', sans-serif; */
  --font-display: 'Helvetica Condensed','Roboto Condensed', Helvetica, Arial, sans-serif;
  /* --font-body: 'Barlow', sans-serif; */
  --font-body: Helvetica, Roboto, Arial, sans-serif;

  /* --header-h: 64px; */
  --header-h: 92px;
  /* --topbar-h: 44px; */
  --topbar-h: 40px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.12);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.16);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-rnd: 50%;

  --transition: 200ms ease;

  --container-max: 1280px;
  --container-pad: 16px;
}

/* ---------- RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { 
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }

/* ---------- UTILITY ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 80ms ease;
}
.btn:active { transform: scale(.97); }

.btn--primary {
  background: var(--color-teal);
  color: var(--color-white);
  border-color: var(--color-teal);
}
.btn--primary:hover { background: var(--color-teal-dark); border-color: var(--color-teal-dark); }

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn--outline:hover { background: var(--color-white); color: var(--color-navy); }

.btn--teal {
  background: var(--color-teal);
  color: var(--color-white);
}
.btn--teal:hover { background: var(--color-teal-dark); }

.btn--sm { font-size: 12px; padding: 8px 18px; }

.section-eyebrow {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 10px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.15;
}

/* ---------- TOP BAR ---------- */
.topbar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  height: var(--topbar-h);
  position: sticky;
  top: 0;
  z-index: 200;
}
.topbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.topbar__end {
  display: flex;
}
.header__logo {
  display: none;
  justify-self: flex-start;
}
.header__logo-mobile {
  display: block;
  justify-self: flex-start;
}
.topbar__search {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 32px;
}
.topbar__search input {
  padding: 0 12px;
  font-size: 13px;
  font-family: var(--font-body);
  border: none;
  outline: none;
  background: transparent;
  width: 130px;
  color: var(--color-text);
}
.topbar__search input::placeholder { color: var(--color-mid-gray); }
.topbar__search-divider {
  width: 1px;
  height: 22px;
  background: var(--color-border);
}
.topbar__resources-btn {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  font-size: 13px;
  font-family: var(--font-body);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  height: 100%;
  white-space: nowrap;
}
.topbar__resources-btn:hover { color: var(--color-navy); }
.topbar__search-icon {
  background: var(--color-navy);
  border: none;
  cursor: pointer;
  width: 36px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.topbar__search-icon:hover { background: var(--color-navy-dark); }
.topbar__rep-login {
  display: flex;
  margin-left: 1em;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  transition: color var(--transition);
}
.topbar__rep-login:hover { color: var(--color-navy); }

/* ---------- HEADER ---------- */
.header {
  background: var(--color-navy);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
  position: sticky;
  top: var(--topbar-h);
  z-index: 190;
  box-shadow: var(--shadow-sm);
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Logo */
.logo-mark {
  display: flex;
  flex-direction: column;
  line-height: 1;
  padding: 6px 10px;
  /* border: 2px solid var(--color-navy); */
  /* border-radius: 4px; */
  flex-shrink: 0;
}
.logo-cs {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: .02em;
}
.logo-air {
  font-family: var(--font-display);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--color-navy);
  margin-top: 1px;
}
.logo-mark--light .logo-cs,
.logo-mark--light .logo-air { color: var(--color-white); }
.logo-mark--light { border-color: var(--color-white); }

/* Nav (hidden until tablet — see min-width: 768px block) */
.header__nav { display: none; flex: 1; height: 100%; }
.nav__list {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 0;
}
.nav__item { height: 100%; }
.nav__item a {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 4px;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-light-gray);
  border-radius: 0;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav__item a:hover { background: transparent; color: var(--color-white); border-color: var(--color-white); }
.chevron { flex-shrink: 0; }

/* Social (hidden until tablet — see min-width: 768px block) */
.header__social {
  display: none;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.header__find-us {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.55);
  white-space: nowrap;
}
.social-icon { display: flex; align-items: center; }

/* Hamburger (mobile only — hidden from tablet up) */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  border-radius: var(--radius-sm);
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile overlay (mobile only — hidden from tablet up) */
.mobile-menu-overlay {
  display: block;
  position: fixed;
  inset: 0;
  top: calc(var(--topbar-h) + var(--header-h));
  background: var(--color-white);
  z-index: 180;
  padding: 24px var(--container-pad);
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 280ms cubic-bezier(.4,0,.2,1);
}
.mobile-menu-overlay.is-open {
  transform: translateX(0);
}
.mobile-nav__list { display: flex; flex-direction: column; gap: 0; }
.mobile-nav__list li a {
  display: block;
  padding: 16px 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}
.mobile-nav__list li a:hover { color: var(--color-navy); }
.mobile-nav__divider { margin-top: 16px; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 60%, #0a4a9a 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  /* background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); */
  /* background: url("/assets/img/production-floor.webp"); */
  background: url("/assets/img/multifamily.webp");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center 75%;
}
.hero__bg-overlay {
  position: absolute;
  inset: 0;
  /* background: linear-gradient(90deg, rgba(0,48,135,.7) 0%, rgba(0,48,135,.1) 100%); */
  background: linear-gradient(90deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.6) 100%);
}
.hero__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  padding-top: 40px;
  padding-bottom: 40px;
}
.hero__content { flex: 1; min-width: 0; order: 2; }
.hero__eyebrow {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  margin-bottom: 14px;
}
.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 9vw, 52px);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.05;
  letter-spacing: -.01em;
  margin-bottom: 28px;
}
.hero__video-card {
  flex-shrink: 0;
  order: 1;
  width: 100%;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero__video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  /* background: var(--color-navy-dark); */
  background: #c0e1e7;
  overflow: hidden;
  padding: 10px; // Added
}
.hero__video-thumb img {
  width: 100%;
  height: 100%;
  /* object-fit: cover; */
  object-fit: contain;
  opacity: .75;
}
.hero__play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: transform var(--transition);
}
.hero__play-btn:hover { transform: scale(1.08); }
.hero__video-caption {
  background: rgba(0,0,0,.85);
  color: var(--color-white);
  text-align: center;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
}

/* ---------- PRODUCTS ---------- */
.products {
  /* background: var(--color-white); */
  background: var(--color-off-white);
  /* border-bottom: 1px solid var(--color-border); */
  padding: 20px 0;
}
.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.product-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 12px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  position: relative;
  text-decoration: none;
  background: var(--color-white); // Added
  color: var(--color-text);
}
.product-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
  background: var(--color-off-white);
}
.product-card--featured {
  border-color: var(--color-navy);
  background: var(--color-navy);
  color: var(--color-white);
}
.product-card--featured:hover {
  background: var(--color-navy-dark);
  border-color: var(--color-navy-dark);
}
.product-card__img {
  width: 75%;
  height: auto;
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}
.product-card__img img {
  width: 100%;
  height: 100%;
  /* object-fit: cover; */
  object-fit: contain;
  border-radius: var(--radius-sm);
}
.product-card__name {
  font-family: var(--font-display);
  font-size: 14px;
  /* font-weight: 600; */
  letter-spacing: .02em;
  line-height: 1.3;
}
.badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-teal);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 10px 8px 2px;
  border-radius: 20px;
  white-space: nowrap;
}
/* ---------- VALUE PROP ---------- */
.value-prop {
  background: var(--color-off-white);
  padding: 40px 0;
  border-bottom: 1px solid var(--color-border);
}
.value-prop__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 32px;
}
.value-prop__text { flex: 1; order: 2; }
.value-prop__label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.value-prop__label::after {
  content: '';
  flex: 1;
  max-width: 150px;
  height: 2px;
  background: var(--color-teal);
}
.value-prop__headline {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.1;
  margin-bottom: 18px;
}
.value-prop__body {
  font-size: 16px;
  color: var(--color-text-light);
  margin-bottom: 24px;
  max-width: 520px;
}
.value-prop__warranty {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 500px;
  /* align-items: center; */
  align-items: flex-start;
  /* gap: 10px; */
  gap: 0;
  /* background: var(--color-navy); */
  color: var(--color-white);
  /* padding: 8px 18px; */
  border-radius: 4px;
}
.warranty-badge {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--color-teal);
  line-height: 1;
}
.warranty-text {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.warranty-light { font-weight: 400; }
.value-prop__badge {
  flex-shrink: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 20px;
  width: 100%;
}
.usa-flag {
  width: 50%;
  max-width: 150px;
  border-radius: var(--radius-sm);
  /* box-shadow: var(--shadow-sm); */
}
.usa-badge {
  text-align: center;
}
.usa-badge__main {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: -.01em;
  line-height: 1.15;
}
.usa-badge__main strong {
  font-size: 48px;
  color: var(--color-navy);
}
.usa-badge__sub {
  display: block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-top: 4px;
}

/* ---------- RESOURCES ---------- */
.resources {
  background: var(--color-navy);
  padding: 40px 0;
}
.resources .section-eyebrow { color: rgba(255,255,255,.6); }
.resources .section-headline { margin-bottom: 36px; }
.resources__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.resources__grid .resource-card:nth-child(5) {
  grid-column: 1 / -1;
}
.resource-card {
  background: rgba(255,255,255);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  color: var(--color-white);
  text-decoration: none;
}
.resource-card:hover {
  background: rgba(255,255,255,.15);
  border-color: rgba(255,255,255,.25);
}
.resource-card__icon {
  width: 44px;
  height: 44px;
  background: var(--color-light-gray);
  border-radius: var(--radius-rnd);
  display: flex;
  align-items: center;
  justify-content: center;
}
.resource-card__icon svg * { stroke: var(--color-navy); }
.resource-card__title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  gap: 6px;
}
.resource-card__desc {
  font-size: 12px;
  color: var(--color-text);
  line-height: 1.5;
}
.arrow { color: var(--color-teal); transition: transform var(--transition); }
.resource-card:hover .arrow { transform: translateX(4px); }

/* ---------- PROJECTS / LITERATURE / CATALOGS ---------- */
.plc {
  padding: 40px 0;
  background: var(--color-white);
}
.plc__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.plc__col-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: .06em;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--color-navy);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Project list */
.project-list { display: flex; flex-direction: column; gap: 16px; }
.project-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.project-item img {
  width: 64px;
  height: 52px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.project-item__name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 2px;
}
.project-item__location {
  font-size: 12px;
  color: var(--color-mid-gray);
}

/* Doc list */
.doc-list { display: flex; flex-direction: column; gap: 14px; }
.doc-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.doc-item img {
  width: 50px;
  height: 42px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.doc-item__name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 3px;
}
.doc-item__link {
  font-size: 12px;
  color: var(--color-blue-link);
  font-weight: 500;
  transition: color var(--transition);
}
.doc-item__link:hover { color: var(--color-navy); text-decoration: underline; }
.doc-item--more { align-items: center; }
.doc-item__more {
  font-size: 13px;
  color: var(--color-blue-link);
  font-weight: 600;
  cursor: pointer;
}

/* ---------- EXPERT ---------- */
.expert {
  background: var(--color-light-gray);
  padding: 40px 0 0;
  border-top: 1px solid var(--color-border);
}
.expert__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.expert__photo {
  flex-shrink: 0;
  width: auto;
}
.expert__photo img {
  width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
  object-position: center 20%;
  height: 220px;
}
.expert__content {
  flex: 1;
  margin-top: 0;
  margin-bottom: 3em;
  background: var(--color-white);
  padding: 1em;
}
.expert__eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
  margin-bottom: 8px;
}
.expert__headline {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 16px;
}
.expert__body {
  font-size: 14px;
  color: var(--color-text-light);
  max-width: 600px;
  margin-bottom: 24px;
  line-height: 1.65;
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--color-navy-dark);
  color: rgba(255,255,255,.8);
}
.footer__main {
  padding-top: 36px;
  padding-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  flex-wrap: wrap;
  align-items: flex-start;
}
.footer__brand {
  flex: none;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer__logo {
  width: 100px;
}
.footer__address {
  font-size: 12px;
  color: rgba(255,255,255,.5);
  line-height: 1.7;
}
.footer__email {
  font-size: 12px;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer__email:hover { color: var(--color-white); }
.footer__phone {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-teal);
  transition: color var(--transition);
}
.footer__phone:hover { color: var(--color-teal-dark); }

.footer__nav {
  flex: 1;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: calc(50% - 10px);
}
.footer__nav a {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer__nav a:hover { color: var(--color-white); }
.footer__social-col { gap: 8px !important; }
.footer__social-col span {
  font-size: 11px;
  color: rgba(255,255,255,.4);
  text-transform: uppercase;
  letter-spacing: .1em;
}
.footer__social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer__social-link:hover { color: var(--color-white); }

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.1);
}
.footer__compliance {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  flex: 1;
  justify-content: flex-start;
}
.compliance-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  border: 1px solid rgba(255,255,255,.15);
  padding: 4px 10px;
  border-radius: 3px;
}
.footer__made {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255,255,255,.5);
}
.footer__copyright {
  background-color: var(--color-teal);
  padding: 8px 0;
  border-top: 1px solid rgba(255,255,255,.06);
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255);
}

/* ============================================================
   RESPONSIVE — TABLET AND UP (≥ 768px)
   ============================================================ */
@media (min-width: 768px) {
  :root { --container-pad: 32px; --topbar-h: 96px; --header-h: 60px; }

  /* Top bar */
  .topbar__search input { width: 200px; }
  .topbar__resources-btn { display: flex; }

  /* Header / logo */
  .header__logo { display: block; }
  .header__logo-mobile { display: none; }
  .header__nav { display: block; }
  .header__social { display: flex; }
  .header__social .header__find-us { display: none; }
  .hamburger { display: none; }
  .mobile-menu-overlay { display: none; }

  /* Hero */
  .hero__inner { flex-direction: row; gap: 32px; padding-top: 100px; padding-bottom: 100px; }
  .hero__content { order: 0; }
  .hero__headline { font-size: clamp(36px, 7.5vw, 72px); }
  .hero__video-card { order: 0; width: clamp(240px, 35%, 380px); border-radius: var(--radius-md); }

  /* Products */
  .products__grid { grid-template-columns: repeat(3, 1fr); }
  .product-card__img { width: 75%; height: auto; }

  /* Value prop */
  .value-prop { padding: 64px 0; }
  .value-prop__inner { flex-direction: row; align-items: center; gap: 64px; }
  .value-prop__text { order: 0; }
  .value-prop__badge { flex-direction: column; gap: 12px; width: auto; }
  .usa-flag { width: 160px; max-width: none; }

  /* Resources */
  .resources { padding: 64px 0; }
  .resources__grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .resources__grid .resource-card:nth-child(5) { grid-column: auto; }

  /* PLC */
  .plc { padding: 64px 0; }
  .plc__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .plc__grid .plc__col:last-child { grid-column: 1 / -1; }
  .plc__grid .plc__col:last-child .doc-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  /* Expert */
  .expert { padding: 0; }
  .expert__inner { flex-direction: row; align-items: flex-end; gap: 48px; }
  .expert__photo { width: 280px; }
  .expert__photo img { height: 340px; border-radius: var(--radius-lg) var(--radius-lg) 0 0; object-position: top; }
  .expert__content { margin-top: 3em; }

  /* Footer */
  .footer__main { flex-direction: row; gap: 48px; padding-top: 56px; padding-bottom: 48px; }
  .footer__brand { flex: 0 0 220px; width: auto; }
  .footer__nav { gap: 24px; }
  .footer__nav ul { min-width: 120px; }
  .footer__bottom { flex-direction: row; align-items: center; gap: 24px; }
  .footer__compliance { justify-content: center; }
}

/* ============================================================
   RESPONSIVE — DESKTOP (≥ 1200px)
   ============================================================ */
@media (min-width: 1200px) {
  :root { --container-pad: clamp(16px, 4vw, 64px); }

  /* Nav */
  .nav__list { gap: 6px; }
  .nav__item a { padding: 0 16px; font-size: 16px; }
  .header__social .header__find-us { display: inline; }

  /* Hero */
  .hero__inner { gap: 48px; }
  .hero__video-card { width: clamp(280px, 38%, 480px); }

  /* Products */
  .products__grid { grid-template-columns: repeat(5, 1fr); }

  /* Resources */
  .resources__grid { grid-template-columns: repeat(5, 1fr); }

  /* PLC */
  .plc__grid { grid-template-columns: 1.1fr 1fr 1fr; gap: 48px; }
  .plc__grid .plc__col:last-child { grid-column: auto; }
  .plc__grid .plc__col:last-child .doc-list {
    display: flex;
    grid-template-columns: none;
  }

  /* Expert */
  .expert__photo { width: 290px; }

  /* Footer */
  .footer__nav { gap: 32px; }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__content,
.hero__video-card {
  animation: fadeUp .6s ease both;
}
.hero__video-card { animation-delay: .15s; }

.resource-card {
  animation: fadeUp .5s ease both;
}
.resource-card:nth-child(1) { animation-delay: .05s; }
.resource-card:nth-child(2) { animation-delay: .10s; }
.resource-card:nth-child(3) { animation-delay: .15s; }
.resource-card:nth-child(4) { animation-delay: .20s; }
.resource-card:nth-child(5) { animation-delay: .25s; }

/* ============================================================
   VISILUNA-added HELPER CLASSES
   ============================================================ */

.text-transform--upper {
  text-transform: uppercase;
}
.text-highlight--teal {
  color: var(--color-teal);
}