:root {
  --black: #050505;
  --ink: #111111;
  --muted: #686868;
  --line: #e8e8e8;
  --soft: #f7f7f5;
  --white: #ffffff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}
.narrow { max-width: 900px; }
.section-pad { padding: 86px 0; }
.compact-pad { padding: 48px 0; }

/* Header / Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(16px, 4vw, 44px);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: var(--white);
  background: var(--black);
  border-radius: 50%;
  font-size: 15px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.6vw, 34px);
  font-size: 14px;
}
.nav-links a { color: #222; }
.nav-links a:hover { color: #777; }

/* Hero Section */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 680px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 30%, rgba(0,0,0,0.10), transparent 22%),
    radial-gradient(circle at 12% 80%, rgba(0,0,0,0.07), transparent 20%),
    linear-gradient(120deg, rgba(255,255,255,0.92), rgba(245,245,242,0.82)),
    repeating-linear-gradient(90deg, rgba(0,0,0,0.035) 0 1px, transparent 1px 80px),
    repeating-linear-gradient(0deg, rgba(0,0,0,0.03) 0 1px, transparent 1px 80px);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(35deg, transparent 0 48%, rgba(0,0,0,0.08) 49%, transparent 50%),
    linear-gradient(-28deg, transparent 0 54%, rgba(0,0,0,0.055) 55%, transparent 56%);
  opacity: .32;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr);
  align-items: center;
  gap: 56px;
}
.eyebrow, .section-kicker {
  display: inline-block;
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
h1, h2, h3, h4, p { margin-top: 0; }
h1 {
  max-width: 880px;
  margin-bottom: 24px;
  font-size: clamp(42px, 8vw, 86px);
  line-height: .95;
  letter-spacing: -0.07em;
}
.hero-text {
  max-width: 620px;
  margin-bottom: 30px;
  font-size: clamp(17px, 2vw, 20px);
  color: #2a2a2a;
}
.hero-actions, .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--black);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  transition: transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--black); color: var(--white); }
.button-secondary { background: transparent; color: var(--black); }
.button-light { border-color: rgba(255,255,255,.34); color: var(--white); }
.button-light:hover { background: var(--white); color: var(--black); }
.hero-panel {
  border: 1px solid rgba(0,0,0,.16);
  border-radius: 28px;
  padding: 34px;
  background: rgba(255,255,255,.44);
  backdrop-filter: blur(10px);
  box-shadow: 0 26px 80px rgba(0,0,0,.08);
}
.hero-panel p {
  margin: 0;
  padding: 18px 0;
  border-bottom: 1px solid rgba(0,0,0,.12);
  font-size: clamp(22px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.05em;
}
.hero-panel p:last-child { border-bottom: 0; }
.panel-line {
  width: 54px;
  height: 4px;
  margin-bottom: 20px;
  background: var(--black);
  border-radius: 4px;
}

/* Introduction Section */
.intro {
  text-align: center;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.intro p {
  margin-bottom: 28px;
  font-size: 18px;
  color: #2c2c2c;
}
.industry-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.industry-row span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #333;
  background: var(--soft);
  font-size: 13px;
}

/* Products Section */
.products { background: var(--soft); }
.section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}
.section-heading h2 {
  margin-bottom: 14px;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1;
  letter-spacing: -0.06em;
}
.section-heading p { color: var(--muted); font-size: 17px; }
.product-category {
  padding: 28px 0 36px;
  border-top: 1px solid #dcdcdc;
}
.category-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 18px;
}
.category-head span {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .1em;
}
.category-head h3 {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -0.04em;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.product-card {
  min-height: 256px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,.035);
}
.product-card:hover { border-color: #c7c7c7; }
.product-card img {
  width: 100%;
  height: 190px;
  object-fit: contain;
  padding: 18px;
  background: #fff;
}
.product-card h4 {
  min-height: 66px;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 16px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.product-card-text {
  min-height: 134px;
  justify-content: center;
}
.product-card-text h4 {
  min-height: auto;
  border-top: 0;
  font-size: 17px;
}
.product-note {
  margin: 12px 0 0;
  padding-top: 18px;
  border-top: 1px solid #dcdcdc;
  color: var(--muted);
  font-size: 14px;
}

/* Services Section */
.dark-section {
  background: var(--black);
  color: var(--white);
}
.invert .section-kicker, .dark-section .section-kicker { color: rgba(255,255,255,.62); }
.service-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.14);
}
.service-list article {
  min-height: 210px;
  padding: 24px;
  background: var(--black);
}
.service-list span {
  display: block;
  margin-bottom: 54px;
  color: rgba(255,255,255,.55);
  font-size: 13px;
  letter-spacing: .14em;
}
.service-list h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: -0.04em;
}

/* Partners Section */
.partners { background: var(--white); }
.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.partner-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--soft);
}
.partner-name {
  margin-bottom: 14px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.05em;
}
.partner-card p:last-child { margin-bottom: 0; color: var(--muted); }

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 44px;
  align-items: start;
}
.contact h2 {
  margin-bottom: 16px;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1;
  letter-spacing: -0.06em;
}
.contact p { color: rgba(255,255,255,.72); }
.contact-actions { margin-top: 26px; }
.contact-details {
  padding: 28px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 24px;
  background: rgba(255,255,255,.045);
}
.contact-details p {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  margin: 0;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.86);
}
.contact-details p:last-child { border-bottom: 0; }
.contact-details span { color: rgba(255,255,255,.52); }
.contact-details a:hover { text-decoration: underline; }

/* Footer */
.site-footer {
  padding: 22px 0;
  color: rgba(255,255,255,.68);
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: 13px;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}
.footer-grid p { margin: 0; }

/* Responsive styles */
@media (max-width: 980px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-panel { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 24px; }
  .panel-line { grid-column: 1 / -1; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .section-pad { padding: 64px 0; }
  .compact-pad { padding: 38px 0; }
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    gap: 18px;
  }
  .hero-grid { gap: 34px; }
  .hero-panel { padding: 22px; border-radius: 20px; }
  .hero-panel p { font-size: 24px; }
  .button { width: 100%; }
  .product-grid, .partner-grid, .service-list { grid-template-columns: 1fr; }
  .product-card { min-height: 230px; }
  .product-card img { height: 170px; }
  .contact-details p { grid-template-columns: 1fr; gap: 4px; }
  .footer-grid { flex-direction: column; }
}

/* Product Images Section */
.product-gallery { background: var(--soft); }
.image-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}
.image-card {
  display: flex;
  min-height: 300px;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  box-shadow: 0 12px 34px rgba(0,0,0,.035);
}
.image-card:hover { border-color: #c7c7c7; }
.image-card img {
  width: 100%;
  height: 230px;
  padding: 18px;
  object-fit: contain;
  background: #fff;
}
.image-card h3 {
  min-height: 68px;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 16px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

/* Instruments List Section */
.instruments { background: var(--white); }
.instrument-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.instrument-category {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--soft);
}
.instrument-category h3 {
  margin-bottom: 18px;
  font-size: 23px;
  line-height: 1.1;
  letter-spacing: -0.04em;
}
.instrument-category ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.instrument-category li {
  position: relative;
  padding: 10px 0 10px 18px;
  border-top: 1px solid #e3e3e0;
  color: #303030;
  font-size: 14px;
}
.instrument-category li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--black);
}

@media (max-width: 1100px) {
  .image-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .instrument-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .image-grid, .instrument-list { grid-template-columns: 1fr; }
  .image-card { min-height: 260px; }
  .image-card img { height: 190px; }
}