:root {
  --ink: #102033;
  --muted: #5f6f81;
  --line: #d9e1e8;
  --navy: #12335a;
  --blue: #1d5f8f;
  --green: #1b9a56;
  --orange: #f07b21;
  --red: #df3b2f;
  --soft: #f5f8f9;
  --white: #ffffff;
  --shadow: 0 22px 54px rgba(16, 32, 51, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  padding: 0 clamp(18px, 5vw, 64px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.72) 58%, rgba(255, 255, 255, 0) 100%);
  border-bottom: 0;
  backdrop-filter: blur(14px);
  transition:
    background 220ms ease,
    backdrop-filter 220ms ease;
}

.site-header.menu-open {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.92) 72%, rgba(255, 255, 255, 0.72) 100%);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 800;
  color: var(--navy);
}

.brand img {
  width: 148px;
  height: 48px;
  object-fit: contain;
}

.brand span {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #273d54;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 10px 0;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 2px;
  content: "";
  background: var(--orange);
  transition: width 180ms ease;
}

.site-nav a:hover::after {
  width: 100%;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.language-toggle {
  min-width: 58px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--navy);
  background: var(--white);
  font-weight: 800;
  cursor: pointer;
  transition:
    border-color 180ms ease,
    color 180ms ease,
    background 180ms ease;
}

.language-toggle:hover {
  border-color: rgba(240, 123, 33, 0.7);
  color: var(--orange);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  cursor: pointer;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--navy);
  transform-origin: center;
  transition:
    opacity 180ms ease,
    transform 220ms ease,
    background 180ms ease;
}

.menu-button[aria-expanded="true"] {
  border-color: rgba(240, 123, 33, 0.45);
  background: rgba(240, 123, 33, 0.08);
}

.menu-button[aria-expanded="true"] span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0.2);
}

.menu-button[aria-expanded="true"] span:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 78vh;
  padding: 136px clamp(18px, 6vw, 78px) 118px;
  background-image: url("./assets/pe-shrink-film-hero.png");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 24, 42, 0.86) 0%, rgba(8, 24, 42, 0.65) 42%, rgba(8, 24, 42, 0.2) 78%),
    linear-gradient(180deg, rgba(8, 24, 42, 0.18) 0%, rgba(8, 24, 42, 0.35) 68%, rgba(8, 24, 42, 0.78) 100%);
}

.hero-content {
  position: relative;
  width: min(780px, 100%);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.03;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.primary-button,
.secondary-button,
.quote-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.primary-button,
.quote-form button {
  color: var(--white);
  background: var(--green);
}

.secondary-button {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.1);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 46px;
  max-width: 720px;
}

.hero-metrics div {
  min-height: 88px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.hero-metrics strong {
  display: block;
  font-size: 26px;
  line-height: 1;
}

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.35;
}

.quick-strip {
  position: relative;
  min-height: 210px;
  margin: 28px clamp(18px, 6vw, 78px) 0;
  overflow: hidden;
  background: var(--navy);
  border-bottom: 0;
  border-radius: 8px;
  box-shadow: 0 24px 58px rgba(16, 32, 51, 0.2);
  z-index: 2;
}

.quick-strip::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(8, 24, 42, 0.5) 0%, rgba(8, 24, 42, 0.08) 42%, rgba(8, 24, 42, 0.26) 100%);
}

.strip-item {
  min-height: 210px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  color: var(--white);
  font-weight: 800;
  text-align: center;
  font-size: clamp(28px, 4vw, 46px);
  letter-spacing: 0;
  text-shadow: 0 4px 22px rgba(0, 0, 0, 0.34);
}

.carousel-track {
  position: relative;
  min-height: 210px;
}

.strip-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  background-image:
    linear-gradient(90deg, rgba(8, 24, 42, 0.68), rgba(8, 24, 42, 0.3)),
    url("./assets/pe-shrink-film-hero.png");
  background-size: cover;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition:
    opacity 520ms ease,
    transform 900ms ease;
}

.strip-slide.active {
  opacity: 1;
  transform: scale(1);
}

.slide-a {
  background-position: 58% 54%;
}

.slide-b {
  background-position: 82% 42%;
}

.slide-c {
  background-position: 66% 72%;
}

.slide-d {
  background-position: 46% 34%;
}

.carousel-controls {
  position: absolute;
  left: 50%;
  bottom: 18px;
  z-index: 3;
  display: inline-flex;
  gap: 9px;
  transform: translateX(-50%);
}

.carousel-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
  cursor: pointer;
  transition:
    width 180ms ease,
    background 180ms ease;
}

.carousel-dot.active {
  width: 28px;
  background: var(--orange);
}

.section {
  padding: 86px clamp(18px, 6vw, 78px);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.section-heading.narrow {
  max-width: 720px;
}

h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  color: var(--navy);
  font-size: 19px;
  line-height: 1.25;
}

.section-heading p:not(.eyebrow),
.capability-layout > div:first-child p,
.contact-copy p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(16, 32, 51, 0.06);
}

.product-visual {
  height: 158px;
  background-image: url("./assets/pe-shrink-film-hero.png");
  background-size: 185%;
  background-repeat: no-repeat;
}

.visual-a {
  background-position: 58% 54%;
}

.visual-b {
  background-position: 80% 42%;
}

.visual-c {
  background-position: 68% 70%;
}

.visual-d {
  background-position: 48% 35%;
}

.product-body {
  padding: 22px;
}

.product-body p,
.product-body li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.product-body ul {
  margin: 16px 0 0;
  padding-left: 18px;
}

.band {
  background: var(--soft);
}

.capability-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 78px);
  align-items: start;
}

.capability-list {
  display: grid;
  gap: 14px;
}

.capability-item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.capability-item span {
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--white);
  background: var(--navy);
  font-weight: 800;
}

.capability-item p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.spec-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.spec-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  min-height: 70px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-row span {
  color: var(--blue);
  font-weight: 800;
}

.spec-row strong {
  font-size: 16px;
  line-height: 1.5;
}

.applications {
  padding-top: 24px;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.application-grid div {
  min-height: 84px;
  display: flex;
  align-items: center;
  padding: 20px;
  border-left: 5px solid var(--green);
  border-radius: 8px;
  background: #f9fbfc;
  color: var(--navy);
  font-weight: 800;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.72fr);
  gap: clamp(28px, 6vw, 72px);
  padding: 86px clamp(18px, 6vw, 78px);
  color: var(--white);
  background: var(--navy);
}

.contact-section h2 {
  color: var(--white);
}

.contact-info {
  min-width: 0;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.team-card {
  min-width: 0;
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.team-card img {
  width: 78px;
  height: 78px;
  border-radius: 8px;
  object-fit: cover;
}

.team-card h3 {
  color: var(--white);
  font-size: 15px;
}

.team-card p {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  line-height: 1.35;
}

.contact-methods {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.contact-methods a {
  width: fit-content;
  color: var(--white);
  font-weight: 800;
  border-bottom: 2px solid rgba(240, 123, 33, 0.9);
}

.quote-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.quote-form-title {
  display: grid;
  gap: 8px;
  margin-bottom: 4px;
}

.quote-form-title h2 {
  color: var(--white);
  font-size: 22px;
  line-height: 1.22;
}

.quote-form-title p:not(.eyebrow) {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.6;
}

.quote-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
  font-weight: 800;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 12px 13px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.11);
  font: inherit;
}

.quote-form select option {
  color: var(--ink);
}

.quote-form textarea {
  min-height: 110px;
  resize: vertical;
}

.quote-form input::placeholder,
.quote-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.52);
}

.form-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  line-height: 1.5;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(18px, 6vw, 78px);
  color: rgba(255, 255, 255, 0.78);
  background: #0a1d34;
}

.site-footer strong {
  color: var(--white);
}

.site-footer p {
  margin: 8px 0 0;
}

.back-to-top {
  position: fixed;
  right: clamp(18px, 4vw, 38px);
  bottom: clamp(18px, 4vw, 34px);
  z-index: 30;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: var(--white);
  background: rgba(18, 51, 90, 0.88);
  box-shadow: 0 18px 38px rgba(16, 32, 51, 0.22);
  backdrop-filter: blur(12px);
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px) scale(0.92);
  transition:
    opacity 180ms ease,
    transform 220ms ease,
    background 180ms ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  background: rgba(27, 154, 86, 0.94);
}

@media (max-width: 1040px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-layout,
  .contact-section {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 740px) {
  .site-header {
    height: 66px;
    padding: 0 14px 0 16px;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 62%, rgba(255, 255, 255, 0) 100%);
  }

  .brand img {
    width: 112px;
    height: 38px;
  }

  .brand span {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .language-toggle {
    min-width: 48px;
    height: 34px;
    padding: 0 10px;
    border-color: rgba(18, 51, 90, 0.14);
    border-radius: 999px;
    background: rgba(247, 250, 251, 0.84);
    backdrop-filter: blur(8px);
    font-size: 13px;
  }

  .header-actions {
    gap: 8px;
    margin-left: auto;
  }

  .menu-button {
    width: 38px;
    height: 38px;
    padding: 8px;
    border-color: rgba(18, 51, 90, 0.14);
    background: rgba(247, 250, 251, 0.84);
    backdrop-filter: blur(8px);
  }

  .site-nav {
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 18px 18px;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.93));
    border-bottom: 1px solid var(--line);
    box-shadow: 0 22px 40px rgba(16, 32, 51, 0.1);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 0;
  }

  .hero {
    min-height: 82vh;
    padding: 116px 18px 86px;
    background-position: 66% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(8, 24, 42, 0.9), rgba(8, 24, 42, 0.58)),
      linear-gradient(180deg, rgba(8, 24, 42, 0.05) 0%, rgba(8, 24, 42, 0.74) 100%);
  }

  .hero-metrics,
  .product-grid,
  .application-grid {
    grid-template-columns: 1fr;
  }

  .quick-strip,
  .carousel-track,
  .strip-item {
    min-height: 170px;
  }

  .quick-strip {
    margin: 20px 18px 0;
  }

  .strip-item {
    padding: 22px 18px 34px;
    font-size: 28px;
  }

  .carousel-controls {
    bottom: 14px;
  }

  .hero-metrics div {
    min-height: 76px;
  }

  .section,
  .contact-section {
    padding: 64px 18px;
  }

  .team-card {
    grid-template-columns: 68px minmax(0, 1fr);
  }

  .team-card img {
    width: 68px;
    height: 68px;
  }

  .spec-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px;
  }

  .site-footer {
    flex-direction: column;
  }
}