/* ══════════════════════════════════════
   INDEX.HTML — Hero & Home Sections
══════════════════════════════════════ */

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--black);
  overflow: hidden;
  padding-top: 72px;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(
      to right,
      rgba(184,151,42,0.06) 0px, rgba(184,151,42,0.06) 1px,
      transparent 1px, transparent 60px
    ),
    repeating-linear-gradient(
      to bottom,
      rgba(184,151,42,0.04) 0px, rgba(184,151,42,0.04) 1px,
      transparent 1px, transparent 60px
    );
}
.hero-scale {
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: repeating-linear-gradient(
    to right,
    var(--gold) 0px, var(--gold) 2px,
    transparent 2px, transparent 8px
  );
}
.hero-scale-bottom {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px;
  background: repeating-linear-gradient(
    to right,
    rgba(184,151,42,0.4) 0px, rgba(184,151,42,0.4) 2px,
    transparent 2px, transparent 8px
  );
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.hero-text .eyebrow {
  display: flex; align-items: center; gap: 12px; margin-bottom: 24px;
}
.hero-text .eyebrow::before {
  content: ''; display: block; width: 40px; height: 1.5px; background: var(--gold);
}
.hero-text .eyebrow span {
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 500; color: var(--gold);
}
.hero-text h1 {
  font-family: var(--serif); color: var(--white);
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 700; line-height: 1.2; letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.hero-text h1 em { font-style: normal; color: var(--gold); }
.hero-text p {
  color: rgba(255,255,255,0.6); font-size: 1.05rem; line-height: 1.85;
  max-width: 480px; margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual {
  display: flex; flex-direction: column; gap: 16px;
}
.hero-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(184,151,42,0.2);
  padding: 24px 28px; display: flex; align-items: center; gap: 20px;
  transition: border-color var(--transition);
}
.hero-card:hover { border-color: rgba(184,151,42,0.5); }
.hero-card-icon {
  width: 44px; height: 44px; background: var(--gold-dim);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  color: var(--gold);
}
.hero-card-text strong {
  display: block; color: var(--white); font-size: 0.92rem;
  font-weight: 600; margin-bottom: 2px;
}
.hero-card-text span { color: rgba(255,255,255,0.45); font-size: 0.82rem; }

/* Scroll indicator */
.scroll-hint {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.3); font-size: 0.72rem; letter-spacing: 0.12em;
  text-transform: uppercase; z-index: 1;
}
.scroll-hint-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, rgba(184,151,42,0.6), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Stats */
.home-stats {
  padding: 0;
  background: var(--gold);
}
.stats-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  padding: 40px 24px; text-align: center;
  border-right: 1px solid rgba(0,0,0,0.12);
}
.stat-item:last-child { border-right: none; }
.stat-item .num {
  font-family: var(--serif); font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700; color: var(--black); line-height: 1;
}
.stat-item .unit {
  font-size: 1.1rem; font-weight: 400;
}
.stat-item .label {
  margin-top: 6px; font-size: 0.82rem; font-weight: 500;
  color: rgba(0,0,0,0.6); letter-spacing: 0.04em;
}

/* Home Business Overview */
.biz-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
  background: var(--gray-200);
}
.biz-card {
  background: var(--white); padding: 48px 40px;
  position: relative; overflow: hidden;
  transition: background var(--transition);
}
.biz-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.biz-card:hover { background: var(--gray-100); }
.biz-card:hover::before { transform: scaleX(1); }
.biz-card-num {
  font-family: var(--serif); font-size: 3rem; font-weight: 700;
  color: var(--gray-200); line-height: 1; margin-bottom: 24px;
  letter-spacing: -0.04em;
}
.biz-card h3 { font-family: var(--serif); font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; }
.biz-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.8; margin-bottom: 24px; }
.biz-card-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--black); text-decoration: none;
  transition: gap var(--transition);
}
.biz-card-link:hover { gap: 14px; color: var(--gold); }
.biz-card-link span { color: var(--gold); }

/* CTA Banner */
.cta-banner { background: var(--black); padding: 96px 0; }
.cta-banner-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
}
.cta-banner h2 {
  font-family: var(--serif); font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--white); font-weight: 700; line-height: 1.3;
}
.cta-banner h2 em { font-style: normal; color: var(--gold); }
.cta-banner-actions { display: flex; gap: 16px; flex-shrink: 0; }


/* ══════════════════════════════════════
   PRODUCTS.HTML
══════════════════════════════════════ */

.products-hero {
  background: var(--black); padding: 160px 0 100px;
  text-align: center; position: relative; overflow: hidden;
}
.products-hero::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(
    to right,
    rgba(184,151,42,0.05) 0px, rgba(184,151,42,0.05) 1px,
    transparent 1px, transparent 80px
  );
}
.products-hero .scale-bar { position: absolute; top: 0; left: 0; right: 0; }
.products-hero h1 {
  font-family: var(--serif); color: var(--white);
  font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700;
  position: relative; z-index: 1;
}
.products-hero p {
  color: rgba(255,255,255,0.55); font-size: 1.05rem; margin-top: 16px;
  position: relative; z-index: 1;
}

/* Product Feature Block */
.product-feature {
  padding: 100px 0;
}
.product-feature.alt { background: var(--gray-100); }
.product-feature-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.product-feature.alt .product-feature-inner { direction: rtl; }
.product-feature.alt .product-feature-text { direction: ltr; }
.product-feature.alt .product-feature-visual { direction: ltr; }

.product-feature-text h2 {
  font-family: var(--serif); font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700; line-height: 1.3; margin-bottom: 20px;
}
.product-feature-text p {
  color: var(--gray-700); line-height: 1.9; margin-bottom: 28px; font-size: 0.97rem;
}
.product-feature-list { list-style: none; margin-bottom: 36px; display: flex; flex-direction: column; gap: 10px; }
.product-feature-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 0.92rem; color: var(--gray-700); line-height: 1.6;
}
.product-feature-list li::before {
  content: ''; display: block; width: 20px; height: 1.5px;
  background: var(--gold); margin-top: 11px; flex-shrink: 0;
}

.product-visual-box {
  background: var(--black); aspect-ratio: 4/3;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; position: relative; overflow: hidden;
}
.product-visual-box::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(
    to right,
    rgba(184,151,42,0.07) 0px, rgba(184,151,42,0.07) 1px,
    transparent 1px, transparent 40px
  ),
  repeating-linear-gradient(
    to bottom,
    rgba(184,151,42,0.07) 0px, rgba(184,151,42,0.07) 1px,
    transparent 1px, transparent 40px
  );
}
.product-visual-icon {
  position: relative; z-index: 1;
  width: 80px; height: 80px; background: var(--gold-dim);
  border: 1px solid rgba(184,151,42,0.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
}
.product-visual-label {
  position: relative; z-index: 1;
  font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: rgba(255,255,255,0.4);
}

/* Sub Product Card (Vision) */
.sub-products { padding: 80px 0; }
.sub-products-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.sub-card {
  border: 1px solid var(--gray-200); padding: 40px;
  position: relative; overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.sub-card::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s ease;
}
.sub-card:hover { border-color: rgba(184,151,42,0.4); box-shadow: var(--shadow); }
.sub-card:hover::before { transform: scaleX(1); }
.sub-card-icon { color: var(--gold); margin-bottom: 20px; }
.sub-card h3 { font-family: var(--serif); font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.sub-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.8; }


/* ══════════════════════════════════════
   ABOUT.HTML
══════════════════════════════════════ */

.about-hero {
  background: var(--black); padding: 160px 0 100px; text-align: center; position: relative; overflow: hidden;
}
.about-hero::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(
    to right,
    rgba(184,151,42,0.05) 0px, rgba(184,151,42,0.05) 1px,
    transparent 1px, transparent 80px
  );
}
.about-hero .scale-bar { position: absolute; top: 0; left: 0; right: 0; }
.about-hero h1 {
  font-family: var(--serif); color: var(--white);
  font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; position: relative; z-index: 1;
}
.about-hero p { color: rgba(255,255,255,0.55); font-size: 1.05rem; margin-top: 16px; position: relative; z-index: 1; }

/* About Intro */
.about-intro { padding: 100px 0; }
.about-intro-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.about-intro-text h2 {
  font-family: var(--serif); font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700; line-height: 1.35; margin-bottom: 24px;
}
.about-intro-text p { color: var(--gray-700); line-height: 1.95; font-size: 0.97rem; }
.about-intro-text p + p { margin-top: 16px; }
.about-values {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--gray-200);
}
.value-item {
  background: var(--white); padding: 32px 28px;
}
.value-item strong {
  display: block; font-family: var(--serif); font-size: 1rem; margin-bottom: 8px;
}
.value-item p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.7; }
.value-gold-line { width: 28px; height: 2px; background: var(--gold); margin-bottom: 14px; }

/* History Timeline */
.history { padding: 100px 0; background: var(--gray-100); }
.timeline { max-width: 800px; margin: 0 auto; position: relative; }
.timeline::before {
  content: ''; position: absolute; left: 100px; top: 0; bottom: 0; width: 1px;
  background: var(--gray-200);
}
.timeline-item {
  display: grid; grid-template-columns: 100px 1fr; gap: 32px;
  padding: 0 0 48px 0; position: relative;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-year {
  font-family: var(--serif); font-size: 1.1rem; font-weight: 700;
  color: var(--gold); text-align: right; padding-top: 2px; position: relative;
}
.timeline-year::after {
  content: ''; position: absolute; right: -20px; top: 8px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--gold);
}
.timeline-content h3 {
  font-family: var(--serif); font-size: 1rem; font-weight: 700; margin-bottom: 8px;
}
.timeline-content ul { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.timeline-content li {
  font-size: 0.88rem; color: var(--gray-700); line-height: 1.7;
  padding-left: 16px; position: relative;
}
.timeline-content li::before {
  content: ''; position: absolute; left: 0; top: 9px;
  width: 6px; height: 1px; background: var(--gold);
}

/* Leadership */
.leadership { padding: 100px 0; }
.leadership-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.leader-card { text-align: center; }
.leader-photo {
  width: 120px; height: 120px; border-radius: 50%;
  background: var(--gray-100); border: 3px solid var(--gray-200);
  margin: 0 auto 20px; display: flex; align-items: center; justify-content: center;
  color: var(--gray-500); font-size: 2rem; font-family: var(--serif);
}
.leader-card h3 { font-family: var(--serif); font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.leader-card .role { font-size: 0.82rem; color: var(--gold); letter-spacing: 0.08em; font-weight: 500; }


/* ══════════════════════════════════════
   CONTACT.HTML
══════════════════════════════════════ */

.contact-hero {
  background: var(--black); padding: 160px 0 100px; text-align: center; position: relative; overflow: hidden;
}
.contact-hero::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(
    to right,
    rgba(184,151,42,0.05) 0px, rgba(184,151,42,0.05) 1px,
    transparent 1px, transparent 80px
  );
}
.contact-hero .scale-bar { position: absolute; top: 0; left: 0; right: 0; }
.contact-hero h1 {
  font-family: var(--serif); color: var(--white);
  font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; position: relative; z-index: 1;
}
.contact-hero p { color: rgba(255,255,255,0.55); font-size: 1.05rem; margin-top: 16px; position: relative; z-index: 1; }

.contact-section { padding: 100px 0; }
.contact-layout {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start;
}
.contact-info h2 {
  font-family: var(--serif); font-size: 1.8rem; font-weight: 700; margin-bottom: 24px; line-height: 1.3;
}
.contact-info > p { color: var(--gray-700); line-height: 1.9; font-size: 0.95rem; margin-bottom: 40px; }
.contact-detail {
  display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px;
}
.contact-detail-item {
  display: flex; gap: 16px; align-items: flex-start;
}
.contact-detail-icon {
  width: 40px; height: 40px; background: var(--gold-dim);
  border: 1px solid rgba(184,151,42,0.25);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); flex-shrink: 0;
}
.contact-detail-item strong { display: block; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 4px; }
.contact-detail-item span, .contact-detail-item a {
  font-size: 0.95rem; color: var(--black); text-decoration: none;
}
.contact-detail-item a:hover { color: var(--gold); }

/* Form */
.contact-form-wrap {
  background: var(--gray-100); padding: 48px;
}
.form-title {
  font-family: var(--serif); font-size: 1.4rem; font-weight: 700; margin-bottom: 32px;
}
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label {
  display: block; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--gray-700); margin-bottom: 8px;
}
.form-group label .req { color: var(--gold); }
.form-control {
  width: 100%; padding: 14px 16px; border: 1.5px solid var(--gray-200);
  background: var(--white); font-family: var(--sans); font-size: 0.95rem;
  color: var(--black); transition: border-color var(--transition);
  outline: none; -webkit-appearance: none;
}
.form-control:focus { border-color: var(--gold); }
.form-control::placeholder { color: #BBBBBB; }
textarea.form-control { resize: vertical; min-height: 140px; }
select.form-control { cursor: pointer; }
.form-check {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 0.85rem; color: var(--gray-700); line-height: 1.5;
  cursor: pointer;
}
.form-check input[type=checkbox] { flex-shrink: 0; margin-top: 2px; accent-color: var(--gold); width: 16px; height: 16px; }
.form-submit { margin-top: 28px; }
.btn-submit {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: 12px;
  background: var(--black); color: var(--white);
  padding: 18px; font-size: 0.92rem; font-weight: 600; letter-spacing: 0.06em;
  border: none; cursor: pointer; font-family: var(--sans);
  transition: background var(--transition);
}
.btn-submit:hover { background: var(--gold); color: var(--black); }
.form-note { margin-top: 12px; font-size: 0.78rem; color: var(--gray-500); text-align: center; }

/* Success / Error state */
.form-msg { display: none; padding: 16px; text-align: center; font-size: 0.9rem; margin-top: 16px; }
.form-msg.success { background: #f0faf4; color: #2e7d4f; border: 1px solid #b7e5c9; }
.form-msg.error { background: #fff5f5; color: #c0392b; border: 1px solid #f5b7b1; }


/* ══════════════════════════════════════
   MOBILE SUB MENU
══════════════════════════════════════ */
.mobile-sub {
  display: flex; flex-direction: column; gap: 0;
  background: var(--gray-100); margin: 0 -24px; padding: 4px 24px 8px 36px;
}
.mobile-sub a {
  font-size: 0.9rem !important; color: var(--gray-700) !important;
  padding: 8px 0 !important; border-bottom: none !important;
}

/* ══════════════════════════════════════
   PRODUCTS PAGE TABS
══════════════════════════════════════ */
.products-tabs, .about-tabs {
  position: relative; z-index: 1;
  display: flex; justify-content: center; gap: 0;
  margin-top: 40px;
}
.ptab, .atab {
  padding: 12px 28px; font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.04em; color: rgba(255,255,255,0.55);
  text-decoration: none; border: 1px solid rgba(255,255,255,0.12);
  border-right: none; transition: all var(--transition);
}
.ptab:last-child, .atab:last-child { border-right: 1px solid rgba(255,255,255,0.12); }
.ptab:hover, .atab:hover { color: var(--white); background: rgba(255,255,255,0.06); }

/* ══════════════════════════════════════
   INSTRUMENT SEARCH / FILTER
══════════════════════════════════════ */
.instrument-search-wrap {
  margin-bottom: 40px;
}
/* 히어로 안 검색바 (어두운 배경용) */
.instrument-search-wrap.hero-search {
  max-width: 700px; margin: 32px auto 0; position: relative; z-index: 1;
}
.hero-search .instrument-search-bar {
  background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2);
}
.hero-search .instrument-search-bar:focus-within { border-color: var(--gold); }
.hero-search .instrument-search-bar svg { color: rgba(255,255,255,0.5); }
.hero-search .instrument-search-bar input { color: var(--white); }
.hero-search .instrument-search-bar input::placeholder { color: rgba(255,255,255,0.35); }
.hero-search .search-clear { color: rgba(255,255,255,0.5); }
.hero-search .search-clear:hover { color: var(--white); }
.hero-search .filter-chip {
  border-color: rgba(255,255,255,0.2); background: transparent; color: rgba(255,255,255,0.65);
}
.hero-search .filter-chip:hover { border-color: var(--gold); color: var(--white); }
.hero-search .filter-chip.active { border-color: var(--gold); background: var(--gold); color: var(--black); }
.hero-search .search-count { color: rgba(255,255,255,0.45); }
.hero-search .search-count strong { color: rgba(255,255,255,0.8); }

.instrument-search-bar {
  display: flex; align-items: center; gap: 0;
  border: 1.5px solid var(--gray-200); background: var(--white);
  transition: border-color var(--transition);
}
.instrument-search-bar:focus-within { border-color: var(--gold); }
.instrument-search-bar svg { flex-shrink: 0; margin: 0 14px; color: var(--gray-500); }
.instrument-search-bar input {
  flex: 1; border: none; outline: none; padding: 14px 0;
  font-family: var(--sans); font-size: 0.95rem; color: var(--black);
  background: transparent;
}
.instrument-search-bar input::placeholder { color: #BBBBBB; }
.search-clear {
  display: none; background: none; border: none; cursor: pointer;
  padding: 14px; color: var(--gray-500); transition: color var(--transition);
}
.search-clear:hover { color: var(--black); }
.search-clear.visible { display: block; }

.filter-chips {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px;
}
.filter-chip {
  padding: 6px 16px; font-size: 0.8rem; font-weight: 500;
  border: 1.5px solid var(--gray-200); background: var(--white);
  color: var(--gray-700); cursor: pointer;
  transition: all var(--transition); white-space: nowrap;
}
.filter-chip:hover { border-color: var(--gold); color: var(--black); }
.filter-chip.active { border-color: var(--gold); background: var(--gold); color: var(--black); font-weight: 600; }

.search-count {
  margin-top: 12px; font-size: 0.82rem; color: var(--gray-500);
}
.search-count strong { color: var(--black); }

.no-results {
  display: none; text-align: center; padding: 80px 0;
  color: var(--gray-500);
}
.no-results svg { margin-bottom: 16px; color: var(--gray-200); }
.no-results p { font-size: 0.95rem; }

/* map-link-block */
.map-link-block { display: block; text-decoration: none; }
.map-link-block .direction-map-placeholder { transition: background var(--transition); }
.map-link-block:hover .direction-map-placeholder { background: var(--gray-200); }

/* 카카오맵 실제 지도 */
.kakao-map {
  width: 100%; height: 400px;
  border: 1px solid var(--gray-200);
}
.kakao-map-link {
  display: inline-block; margin-top: 10px;
  font-size: 0.8rem; color: var(--gold); text-decoration: none;
  letter-spacing: 0.04em;
}
.kakao-map-link:hover { text-decoration: underline; }
.map-open-hint {
  margin-top: 12px; font-size: 0.78rem; color: var(--gold);
  letter-spacing: 0.04em;
}

/* ══════════════════════════════════════
   INSTRUMENT GRID (계측기 목록)
══════════════════════════════════════ */
.instrument-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.instrument-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--gray-200);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.instrument-card:hover { box-shadow: var(--shadow); border-color: rgba(184,151,42,0.3); }

.instrument-photo { background: var(--gray-100); aspect-ratio: 4/3; overflow: hidden; }
.instrument-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
.photo-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; color: var(--gray-500);
}
.photo-placeholder svg { color: var(--gray-500); opacity: 0.5; }
.photo-placeholder span { font-size: 0.75rem; letter-spacing: 0.06em; color: var(--gray-500); }

.instrument-info { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.instrument-category {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 8px;
}
.instrument-name {
  font-family: var(--serif); font-size: 1.1rem; font-weight: 700;
  margin-bottom: 4px; line-height: 1.3;
}
.instrument-manufacturer {
  font-size: 0.78rem; color: var(--gray-500); margin-bottom: 16px;
}
.instrument-spec {
  list-style: none; display: flex; flex-direction: column; gap: 7px;
  margin-bottom: 20px; flex: 1;
}
.instrument-spec li {
  font-size: 0.85rem; color: var(--gray-700); line-height: 1.5;
  display: flex; gap: 8px; align-items: baseline;
}
.instrument-spec li span {
  font-weight: 600; color: var(--black); white-space: nowrap;
  min-width: 72px; flex-shrink: 0;
}
.instrument-spec li span::after { content: ':'; }
.instrument-cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--gold); text-decoration: none;
  border-bottom: 1px solid rgba(184,151,42,0.3);
  padding-bottom: 2px; align-self: flex-start;
  transition: color var(--transition), border-color var(--transition);
}
.instrument-cta:hover { color: var(--black); border-color: var(--black); }

.instrument-note {
  display: flex; align-items: flex-start; gap: 10px;
  margin-top: 40px; padding: 16px 20px;
  background: var(--gray-100); font-size: 0.85rem; color: var(--gray-700);
  border-left: 3px solid var(--gold);
}
.instrument-note svg { flex-shrink: 0; color: var(--gold); margin-top: 1px; }

/* ══════════════════════════════════════
   PROCESS STEPS (자동화 프로그램)
══════════════════════════════════════ */
.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px;
  background: var(--gray-200);
}
.process-step {
  background: var(--white); padding: 40px 32px;
  position: relative;
}
.process-num {
  font-family: var(--serif); font-size: 2.8rem; font-weight: 700;
  color: var(--gray-200); line-height: 1; margin-bottom: 20px;
}
.process-step h3 { font-family: var(--serif); font-size: 1rem; font-weight: 700; margin-bottom: 12px; }
.process-step p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.8; }
@media (max-width: 900px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .process-grid { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════
   DIRECTION (오시는길)
══════════════════════════════════════ */
.direction-section { padding: 80px 0; }
.direction-layout {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start;
}
.dir-block { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 24px; }
.dir-icon {
  width: 40px; height: 40px; background: var(--gold-dim);
  border: 1px solid rgba(184,151,42,0.25);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); flex-shrink: 0;
}
.dir-block strong { display: block; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; }
.dir-block p { font-size: 0.92rem; color: var(--gray-700); line-height: 1.7; }

.direction-map-wrap { }
.direction-map-placeholder {
  background: var(--gray-100); border: 1px solid var(--gray-200);
  aspect-ratio: 4/3; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px;
}
.direction-map-placeholder p { font-size: 0.95rem; font-weight: 600; color: var(--black); }
.direction-map-placeholder span { font-size: 0.82rem; color: var(--gray-500); }

/* contact info note */
.contact-info-note {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 0.82rem; color: var(--gray-700); line-height: 1.6;
  padding: 14px 16px; background: var(--gray-100);
  border-left: 3px solid var(--gold);
}
.contact-info-note svg { flex-shrink: 0; color: var(--gold); margin-top: 1px; }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-text h1 { font-size: clamp(2rem, 5vw, 3rem); }
  .hero-visual { display: none; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(0,0,0,0.12); }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(0,0,0,0.12); }
  .biz-grid { grid-template-columns: 1fr; }
  .cta-banner-inner { flex-direction: column; align-items: flex-start; }
  .product-feature-inner { grid-template-columns: 1fr; gap: 40px; }
  .product-feature.alt .product-feature-inner { direction: ltr; }
  .about-intro-inner { grid-template-columns: 1fr; gap: 40px; }
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .sub-products-grid { grid-template-columns: 1fr; }
  .instrument-grid { grid-template-columns: repeat(2, 1fr); }
  .direction-layout { grid-template-columns: 1fr; gap: 32px; }
  .products-tabs, .about-tabs { flex-wrap: wrap; }
  .ptab, .atab { border-right: 1px solid rgba(255,255,255,0.12) !important; flex: 1 1 auto; text-align: center; }
}
@media (max-width: 600px) {
  .instrument-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding: 120px 0 80px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { left: 70px; }
  .timeline-item { grid-template-columns: 70px 1fr; gap: 20px; }
  .timeline-year { font-size: 0.9rem; }
  .timeline-year::after { right: -14px; }
  .about-values { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 20px; }
  .products-hero, .about-hero, .contact-hero { padding: 130px 0 72px; }
  .instrument-card { flex-direction: column; }
}