/* ============================================================
   Page: What Is Polyurethane? Executive LTR Page
   Upload path: assets/css/what-is-polyurethane-executive.css
   ============================================================ */

:root {
  --pu-brand: #263B8F;
  --pu-brand-2: #1C75BC;
  --pu-gold: #F5A623;
  --pu-gold-soft: #FFF4D8;
  --pu-ink: #111827;
  --pu-text: #415066;
  --pu-muted: #6B7890;
  --pu-line: rgba(38, 59, 143, 0.13);
  --pu-soft: #F6F8FC;
  --pu-card: #FFFFFF;
  --pu-shadow: 0 18px 46px rgba(15, 23, 42, 0.08);
  --pu-radius: 20px;
}

html,
body,
.polyurethane-executive-page {
  direction: ltr !important;
  text-align: left !important;
}

.polyurethane-executive-page {
  margin: 0;
  background: #fff;
  color: var(--pu-ink);
  font-family: Inter, "Segoe UI", Roboto, Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.polyurethane-executive-page * {
  direction: ltr;
  box-sizing: border-box;
}

.polyurethane-executive-page a {
  text-decoration: none;
}

.polyurethane-executive-page img {
  max-width: 100%;
  height: auto;
}

.pu-main {
  padding-top: 0 !important;
  overflow: hidden;
}

.pu-section {
  position: relative;
  padding: 58px 0;
}

.pu-section--soft {
  background:
    radial-gradient(circle at 8% 10%, rgba(38, 59, 143, 0.055), transparent 28%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FBFF 100%);
}

.pu-section__head {
  max-width: 860px;
  margin: 0 0 28px;
}

.pu-section__tag,
.pu-eyebrow,
.pu-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  width: fit-content;
  margin-bottom: 10px;
  padding: 6px 13px;
  border-radius: 999px;
  color: var(--pu-brand);
  background: rgba(38, 59, 143, 0.07);
  border: 1px solid rgba(38, 59, 143, 0.12);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.pu-section h2,
.pu-section__head h2,
.pu-final-cta h2 {
  margin: 0 0 12px;
  color: #0F172A;
  font-size: clamp(1.35rem, 2.1vw, 2.05rem);
  font-weight: 850;
  line-height: 1.25;
  letter-spacing: -0.035em;
}

.pu-section p,
.pu-section li,
.pu-card p,
.pu-muted,
.pu-final-cta p {
  margin: 0;
  color: var(--pu-text);
  font-size: 0.94rem;
  font-weight: 400;
  line-height: 1.78;
}

.pu-lead {
  color: #263246 !important;
  font-size: 1.02rem !important;
  font-weight: 500 !important;
  line-height: 1.78 !important;
}

/* ================= HERO ================= */
.pu-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: 108px 0 64px;
  overflow: hidden;
  isolation: isolate;
}

.pu-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(5, 11, 27, 0.92) 0%, rgba(9, 24, 58, 0.74) 45%, rgba(9, 24, 58, 0.34) 100%),
    radial-gradient(circle at 16% 24%, rgba(245, 166, 35, 0.22), transparent 29%),
    radial-gradient(circle at 84% 18%, rgba(28, 117, 188, 0.26), transparent 30%),
    url("../img/hero-bg.jpg") center center / cover no-repeat,
    #071120;
}

.pu-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 30%;
  z-index: -1;
  background: linear-gradient(180deg, rgba(255,255,255,0), #fff 88%);
}

.pu-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(330px, 0.74fr);
  gap: 34px;
  align-items: center;
}

.pu-glass {
  max-width: 780px;
  padding: 28px 30px;
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), rgba(255,255,255,0.07)),
    radial-gradient(circle at 6% 0%, rgba(255,196,81,0.15), transparent 34%);
  border: 1px solid rgba(255,255,255,0.26);
  box-shadow: 0 28px 78px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.18);
  backdrop-filter: blur(8px) saturate(135%);
  -webkit-backdrop-filter: blur(8px) saturate(135%);
}

.pu-eyebrow {
  color: #fff;
  background: rgba(255,255,255,0.11);
  border-color: rgba(255,255,255,0.20);
}

.pu-hero h1 {
  max-width: 740px;
  margin: 0 0 14px;
  color: #fff;
  font-size: clamp(1.7rem, 3.0vw, 3.05rem);
  font-weight: 850;
  line-height: 1.14;
  letter-spacing: -0.048em;
  word-spacing: normal;
  text-shadow: 0 5px 28px rgba(0,0,0,0.34);
}

.pu-hero__lead {
  max-width: 720px;
  margin: 0;
  color: rgba(255,255,255,0.88) !important;
  font-size: 0.98rem !important;
  font-weight: 400 !important;
  line-height: 1.82 !important;
}

.pu-hero__actions,
.pu-final-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.pu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.80rem;
  font-weight: 760;
  line-height: 1.4;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.pu-btn:hover {
  transform: translateY(-1px);
}

.pu-btn--gold {
  color: #101828 !important;
  background: linear-gradient(90deg, #F5A623, #FFC451);
  border: 1px solid rgba(255,196,81,0.48);
  box-shadow: 0 10px 22px rgba(245,166,35,0.16);
}

.pu-btn--ghost {
  color: #fff !important;
  background: rgba(255,255,255,0.085);
  border: 1px solid rgba(255,255,255,0.20);
}

.pu-btn--ghost:hover {
  color: #FFC451 !important;
  background: rgba(255,255,255,0.12);
}

.pu-proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.pu-proof-chip {
  padding: 13px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
}

.pu-proof-chip strong,
.pu-proof-chip span {
  display: block;
}

.pu-proof-chip strong {
  color: #fff;
  margin-bottom: 5px;
  font-size: 0.82rem;
  font-weight: 850;
}

.pu-proof-chip span {
  color: rgba(255,255,255,0.74);
  font-size: 0.74rem;
  line-height: 1.65;
}

.pu-media-card {
  overflow: hidden;
  border-radius: 22px;
  background: rgba(255,255,255,0.13);
  border: 1px solid rgba(255,255,255,0.24);
  box-shadow: 0 26px 78px rgba(0,0,0,0.26);
  backdrop-filter: blur(10px) saturate(130%);
  -webkit-backdrop-filter: blur(10px) saturate(130%);
}

.pu-media-card__visual {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #071120;
}

.pu-media-card__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.92;
}

.pu-media-card__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,10,24,0.02), rgba(5,10,24,0.50));
}

.pu-media-card__label {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: 999px;
  color: #101828;
  background: linear-gradient(90deg, #F5A623, #FFC451);
  font-size: 0.76rem;
  font-weight: 850;
}

.pu-media-card__body {
  padding: 18px;
  background: rgba(255,255,255,0.92);
}

.pu-media-card__body h2 {
  margin: 0 0 8px;
  color: #0F172A;
  font-size: 1.04rem;
  font-weight: 850;
  line-height: 1.35;
}

.pu-media-card__body p {
  color: var(--pu-muted);
  font-size: 0.84rem;
  line-height: 1.72;
}

/* ================= CARDS AND GRIDS ================= */
.pu-two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 28px;
  align-items: start;
}

.pu-card {
  height: 100%;
  padding: 22px;
  border-radius: var(--pu-radius);
  background: #fff;
  border: 1px solid var(--pu-line);
  box-shadow: var(--pu-shadow);
}

.pu-card--blue {
  color: #fff;
  background:
    radial-gradient(circle at 8% 0%, rgba(255,196,81,0.18), transparent 30%),
    linear-gradient(135deg, #17213A, #263B8F);
  border-color: rgba(255,255,255,0.14);
}

.pu-card--blue h2,
.pu-card--blue p,
.pu-card--blue li {
  color: #fff;
}

.pu-card h3 {
  margin: 0 0 8px;
  color: #0F172A;
  font-size: 1.02rem;
  font-weight: 850;
  line-height: 1.35;
}

.pu-card--blue h3 {
  color: #fff;
}

.pu-list {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.pu-list li {
  position: relative;
  padding-left: 25px;
}

.pu-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pu-brand), var(--pu-gold));
}

.pu-application-grid,
.pu-knowledge-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.pu-app-card,
.pu-knowledge-card {
  position: relative;
  min-height: 192px;
  padding: 18px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, #fff, #F8FBFF),
    radial-gradient(circle at 0 0, rgba(245,166,35,0.11), transparent 34%);
  border: 1px solid rgba(38,59,143,0.11);
  box-shadow: 0 12px 30px rgba(15,23,42,0.055);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.pu-app-card:hover,
.pu-knowledge-card:hover {
  transform: translateY(-2px);
  border-color: rgba(245,166,35,0.30);
  box-shadow: 0 18px 42px rgba(15,23,42,0.09);
}

.pu-app-card i,
.pu-knowledge-card i {
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--pu-brand), var(--pu-brand-2));
  font-size: 1.08rem;
}

.pu-app-card h3,
.pu-knowledge-card h3 {
  margin: 0 0 8px;
  color: #0F172A;
  font-size: 0.98rem;
  font-weight: 850;
  line-height: 1.35;
}

.pu-app-card p,
.pu-knowledge-card p {
  color: var(--pu-muted);
  font-size: 0.84rem;
  line-height: 1.68;
}

.pu-card-link {
  color: inherit;
  display: block;
  height: 100%;
}

.pu-card-link::after,
.pu-route-link::after {
  content: "→";
  position: absolute;
  right: 16px;
  bottom: 14px;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #101828;
  background: linear-gradient(90deg, #F5A623, #FFC451);
  font-size: 0.82rem;
  font-weight: 900;
}

/* ================= MATRIX ================= */
.pu-matrix {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(38,59,143,0.12);
  box-shadow: var(--pu-shadow);
  background: #fff;
}

.pu-matrix table {
  width: 100%;
  margin: 0;
  border-collapse: collapse;
}

.pu-matrix th,
.pu-matrix td {
  padding: 17px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(38,59,143,0.08);
}

.pu-matrix th {
  color: #fff;
  background: #16233B;
  font-size: 0.82rem;
  font-weight: 850;
  line-height: 1.5;
}

.pu-matrix td {
  color: var(--pu-text);
  font-size: 0.88rem;
  line-height: 1.7;
}

.pu-matrix tr:last-child td {
  border-bottom: 0;
}

.pu-matrix strong {
  color: #0F172A;
  font-weight: 850;
}

.pu-inline-link,
.pu-matrix a,
.pu-card p a {
  color: var(--pu-brand);
  font-weight: 750;
  border-bottom: 1px solid rgba(38,59,143,0.20);
}

.pu-inline-link:hover,
.pu-matrix a:hover,
.pu-card p a:hover {
  color: #B66A00;
  border-color: rgba(245,166,35,0.45);
}

/* ================= ROUTES ================= */
.pu-route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.pu-route-link {
  position: relative;
  display: block;
  min-height: 132px;
  padding: 17px 48px 16px 17px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(38,59,143,0.11);
  box-shadow: 0 10px 24px rgba(15,23,42,0.045);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.pu-route-link:hover {
  transform: translateY(-2px);
  border-color: rgba(245,166,35,0.30);
  box-shadow: 0 16px 36px rgba(15,23,42,0.075);
}

.pu-route-link span {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--pu-brand);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pu-route-link strong {
  display: block;
  margin-bottom: 7px;
  color: #0F172A;
  font-size: 0.95rem;
  font-weight: 850;
  line-height: 1.35;
}

.pu-route-link small {
  display: block;
  color: var(--pu-muted);
  font-size: 0.80rem;
  line-height: 1.65;
}

/* ================= FAQ / CTA ================= */
.pu-faq {
  display: grid;
  gap: 10px;
  max-width: 900px;
}

.pu-faq details {
  border-radius: 16px;
  background: #fff;
  border: 1px solid rgba(38,59,143,0.11);
  box-shadow: 0 8px 20px rgba(15,23,42,0.04);
  overflow: hidden;
}

.pu-faq summary {
  cursor: pointer;
  padding: 16px 18px;
  color: #0F172A;
  font-size: 0.95rem;
  font-weight: 850;
  line-height: 1.45;
}

.pu-faq details p {
  padding: 0 18px 18px;
  color: var(--pu-muted);
  font-size: 0.88rem;
  line-height: 1.72;
}

.pu-final-cta {
  padding: 58px 0;
  background:
    radial-gradient(circle at 12% 20%, rgba(255,196,81,0.18), transparent 28%),
    linear-gradient(135deg, #263B8F, #1C75BC);
}

.pu-final-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 28px;
  border-radius: 22px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  box-shadow: 0 24px 72px rgba(0,0,0,0.18);
  backdrop-filter: blur(8px) saturate(130%);
  -webkit-backdrop-filter: blur(8px) saturate(130%);
}

.pu-final-cta h2,
.pu-final-cta p {
  color: #fff;
}

.pu-final-cta p {
  max-width: 780px;
  color: rgba(255,255,255,0.84);
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1199.98px) {
  .pu-application-grid,
  .pu-knowledge-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 991.98px) {
  .pu-hero {
    min-height: auto;
    padding: 100px 0 58px;
  }

  .pu-hero__grid,
  .pu-two-col,
  .pu-final-cta__inner {
    grid-template-columns: 1fr;
  }

  .pu-route-grid {
    grid-template-columns: 1fr;
  }

  .pu-final-cta__actions {
    justify-content: flex-start;
  }
}

@media (max-width: 575.98px) {
  .pu-section {
    padding: 44px 0;
  }

  .pu-glass {
    padding: 22px;
  }

  .pu-hero h1 {
    font-size: 1.62rem;
    line-height: 1.22;
  }

  .pu-hero__lead,
  .pu-lead {
    font-size: 0.92rem !important;
  }

  .pu-proof-grid,
  .pu-application-grid,
  .pu-knowledge-grid {
    grid-template-columns: 1fr;
  }

  .pu-btn {
    width: 100%;
  }

  .pu-matrix {
    overflow-x: auto;
  }

  .pu-matrix table {
    min-width: 720px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pu-btn,
  .pu-app-card,
  .pu-knowledge-card,
  .pu-route-link {
    transition: none !important;
  }
}