:root {
  --color-ink: #16252f;
  --color-deep: #1a2e39;
  --color-charcoal: #28353d;
  --color-steel: #5f707b;
  --color-muted: #5a6871;
  --color-line: #c8cecf;
  --color-surface: #f5f4ef;
  --color-surface-strong: #ffffff;
  --color-panel: #eef0eb;
  --color-accent: #9e6c34;
  --color-accent-soft: rgba(158, 108, 52, 0.14);
  --shadow-soft: 0 18px 40px rgba(15, 25, 31, 0.12);
  --shadow-card: 0 12px 28px rgba(12, 21, 27, 0.08);
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--color-ink);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.6), transparent 34%),
    linear-gradient(180deg, #f0f1ec 0%, #f7f6f2 30%, #f1f2ed 100%);
  line-height: 1.68;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

.container {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 0 1.6rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(20, 33, 42, 0.94);
  color: #f5f7f8;
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: #f5f7f8;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.94rem;
  font-weight: 700;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  color: #f7f7f4;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.nav a {
  color: #dfe4e6;
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 500;
  padding: 0.45rem 0.7rem;
  border-radius: 3px;
  transition: background-color 0.22s ease, color 0.22s ease, transform 0.22s ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  width: 1.8rem;
  height: 1.45rem;
  padding: 0;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #ffffff;
  transform-origin: center;
  transition: transform 0.24s ease, opacity 0.24s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(0.43rem) rotate(45deg);
}

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

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-0.43rem) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.78rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 4px;
  font: inherit;
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease,
    background-color 0.22s ease,
    color 0.22s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn:focus-visible,
.menu-toggle:focus-visible,
.nav a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #d8b385;
  outline-offset: 2px;
}

.btn-cta {
  background: linear-gradient(180deg, #28404d 0%, #1a2f3b 100%);
  border-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(10, 18, 24, 0.28);
}

.btn-cta:hover,
.btn-cta:focus-visible {
  box-shadow: 0 16px 28px rgba(10, 18, 24, 0.24);
}

.btn-secondary {
  color: #f4f7f8;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.12);
}

.btn-cta-outline {
  color: #ffffff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.22);
}

.btn-cta-outline:hover,
.btn-cta-outline:focus-visible {
  background: rgba(255, 255, 255, 0.08);
}

.section {
  position: relative;
  padding: 5.5rem 0;
}

.light {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.7)),
    var(--color-panel);
  border-top: 1px solid rgba(40, 53, 61, 0.06);
  border-bottom: 1px solid rgba(40, 53, 61, 0.06);
}

.section-label,
.hero-content .label {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-label {
  color: var(--color-accent);
}

.section-intro {
  max-width: 720px;
  margin-bottom: 1.5rem;
}

h1,
h2,
h3,
strong {
  letter-spacing: -0.02em;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.6rem, 5.6vw, 4.9rem);
  line-height: 0.98;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  color: var(--color-deep);
}

h3 {
  margin: 0 0 0.35rem;
  font-size: 1.08rem;
  line-height: 1.2;
  color: var(--color-deep);
}

p {
  margin: 0;
}

.section p {
  max-width: 760px;
  color: #39474f;
}

.hero {
  overflow: hidden;
  color: #f6f7f7;
  background:
    radial-gradient(circle at 100% 15%, rgba(163, 126, 75, 0.18), transparent 24%),
    linear-gradient(135deg, #162730 0%, #1c313d 52%, #13232d 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.25;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: 3.4rem;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 630px;
}

.hero-content .label,
.hero-content h1,
.hero-content p {
  color: #f2f5f6;
}

.hero-content p {
  font-size: 1.05rem;
  color: #d8e0e5;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.4rem 0 1.8rem;
}

.hero-points span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.55rem 0.8rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #edf3f5;
  font-size: 0.93rem;
  border-radius: 999px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.hero-ctas {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero-visual {
  position: relative;
  min-height: 520px;
}

.hero-image {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(20, 31, 37, 0.66), rgba(20, 31, 37, 0.16)),
    #11212a;
  box-shadow: var(--shadow-soft);
}

.hero-image::before {
  content: "";
  position: absolute;
  inset: 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  z-index: 2;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(135deg, rgba(13, 22, 27, 0.74) 0%, rgba(13, 22, 27, 0.18) 55%),
    linear-gradient(180deg, transparent 30%, rgba(11, 18, 24, 0.32) 100%);
}

.hero-photo {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 36%;
  filter: saturate(0.76) contrast(1.08) brightness(0.88);
  transform: scale(1.05);
  transition: transform 5.5s ease;
}

.hero:hover .hero-photo {
  transform: scale(1.1);
}

.hero-badge {
  position: absolute;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 3;
  width: min(320px, calc(100% - 2.8rem));
  padding: 1rem 1.05rem;
  background: rgba(12, 21, 27, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  box-shadow: 0 16px 30px rgba(7, 13, 17, 0.28);
}

.hero-badge-label {
  display: block;
  margin-bottom: 0.35rem;
  color: #d3a870;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-badge strong {
  display: block;
  color: #f7f7f7;
  font-size: 1rem;
  line-height: 1.4;
}

.about-grid,
.products-grid,
.strengths-grid,
.contact-grid {
  display: grid;
  gap: 1.5rem;
}

.about-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
}

.about-copy {
  display: grid;
  gap: 1.4rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.about-highlights div {
  padding: 1rem 1rem 0;
  border-top: 2px solid var(--color-accent);
}

.about-highlights span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.about-highlights strong {
  display: block;
  color: var(--color-deep);
  font-size: 1rem;
  line-height: 1.45;
}

.products-grid {
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.92fr);
  align-items: stretch;
  gap: 1.8rem;
  margin-top: 1.8rem;
}

.products-list {
  display: grid;
  align-content: start;
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(40, 53, 61, 0.08);
  box-shadow: var(--shadow-card);
}

.product-entry {
  padding: 1.2rem 1.2rem 1.25rem;
  border-left: 3px solid transparent;
  border-bottom: 1px solid rgba(40, 53, 61, 0.08);
  transition: background-color 0.24s ease, border-color 0.24s ease, transform 0.24s ease;
}

.product-entry:last-child {
  border-bottom: 0;
}

.product-entry:hover {
  transform: translateX(4px);
  background: rgba(255, 255, 255, 0.92);
  border-left-color: var(--color-accent);
}

.product-entry p {
  max-width: 560px;
}

.products-image {
  min-height: 470px;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid rgba(40, 53, 61, 0.1);
  background:
    linear-gradient(180deg, rgba(21, 34, 43, 0.04), rgba(21, 34, 43, 0.12)),
    #ffffff;
  box-shadow: var(--shadow-soft);
}

.products-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 72%;
  filter: saturate(0.78) contrast(1.03);
  transition: transform 0.8s ease;
}

.products-image:hover img {
  transform: scale(1.03);
}

.application-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.95rem;
  padding: 0;
  margin: 1.5rem 0 0;
}

.application-list li {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 74px;
  padding: 1rem 1rem 1rem 3.2rem;
  color: var(--color-ink);
  font-weight: 500;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(40, 53, 61, 0.08);
  border-radius: 4px;
  box-shadow: var(--shadow-card);
}

.application-list li::before {
  content: "";
  position: absolute;
  left: 1.1rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--color-accent) 0 35%, transparent 38%),
    rgba(158, 108, 52, 0.18);
  box-shadow: inset 0 0 0 1px rgba(158, 108, 52, 0.24);
}

.strengths-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1.7rem;
  gap: 1rem;
}

.strength-item {
  padding: 1.25rem 1.2rem;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(40, 53, 61, 0.08);
  border-left: 3px solid var(--color-deep);
  box-shadow: var(--shadow-card);
  transition: transform 0.24s ease, border-left-color 0.24s ease, background-color 0.24s ease;
}

.strength-item:hover {
  transform: translateY(-4px);
  background: #ffffff;
  border-left-color: var(--color-accent);
}

.strength-item p {
  font-size: 0.97rem;
}

#manufacturing {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0)),
    transparent;
}

.manufacturing-panel {
  padding: clamp(1.8rem, 4vw, 2.5rem);
  background:
    radial-gradient(circle at top right, rgba(158, 108, 52, 0.12), transparent 28%),
    linear-gradient(135deg, #182731 0%, #223541 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.manufacturing-panel .section-label,
.manufacturing-panel h2,
.manufacturing-panel p {
  color: #eef2f3;
}

.manufacturing-panel .section-label {
  color: #d3a870;
}

.manufacturing-panel p {
  max-width: 760px;
  color: #d6dde0;
}

.contact-section {
  padding-bottom: 4.2rem;
}

.contact-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: 2rem;
  margin-top: 1.9rem;
}

.contact-details {
  padding: 1.4rem 1.25rem;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(40, 53, 61, 0.08);
  border-radius: 6px;
  box-shadow: var(--shadow-card);
}

.contact-details p {
  margin: 0.46rem 0;
}

.contact-details a {
  color: var(--color-deep);
  text-decoration-thickness: 1px;
}

.contact-form {
  display: grid;
  gap: 0.8rem;
  padding: 1.4rem 1.25rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(40, 53, 61, 0.08);
  border-radius: 6px;
  box-shadow: var(--shadow-card);
}

.contact-form label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-deep);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #bcc4c8;
  border-radius: 4px;
  padding: 0.78rem 0.9rem;
  font: inherit;
  background: #fbfcfb;
  color: var(--color-ink);
  transition: border-color 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease;
}

.contact-form input:hover,
.contact-form textarea:hover {
  border-color: #9aa7ae;
}

.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
  background: #ffffff;
  border-color: #6c8190;
  box-shadow: 0 0 0 4px rgba(108, 129, 144, 0.12);
}

.contact-form textarea {
  min-height: 132px;
  resize: vertical;
}

.note {
  font-size: 0.84rem;
  color: var(--color-muted);
}

.site-footer {
  background: linear-gradient(180deg, #26343b 0%, #1f2a30 100%);
  color: #dbe0e2;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem 0;
}

footer p {
  margin: 0.24rem 0;
  color: #d6dde0;
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-delay {
  transition-delay: 0.12s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero-grid,
  .about-grid,
  .products-grid,
  .contact-grid,
  .strengths-grid,
  .application-list {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 2rem;
  }

  .hero-visual,
  .hero-image {
    min-height: 440px;
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 820px) {
  .header-inner {
    min-height: 66px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    width: min(84vw, 300px);
    padding: 6rem 1.2rem 1.5rem;
    background: rgba(17, 28, 36, 0.98);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: -20px 0 50px rgba(0, 0, 0, 0.24);
    flex-direction: column;
    align-items: stretch;
    gap: 0.55rem;
    transform: translateX(100%);
    transition: transform 0.24s ease;
  }

  .nav.active {
    transform: translateX(0);
  }

  .nav a {
    width: 100%;
    font-size: 1rem;
  }

  .section {
    padding: 4.4rem 0;
  }

  h1 {
    font-size: clamp(2.3rem, 10vw, 3.9rem);
  }

  h2 {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

  .hero-points {
    margin-bottom: 1.5rem;
  }

  .products-image {
    min-height: 380px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 1rem;
  }

  .brand {
    max-width: 78%;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
  }

  .section {
    padding: 4rem 0;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-visual,
  .hero-image {
    min-height: 340px;
  }

  .hero-badge {
    right: 1rem;
    bottom: 1rem;
    width: calc(100% - 2rem);
  }

  .application-list li,
  .contact-form,
  .contact-details,
  .strength-item {
    box-shadow: none;
  }

  .product-entry,
  .contact-details,
  .contact-form,
  .application-list li {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .contact-grid {
    gap: 1.2rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-photo {
    transform: none;
  }
}