/* ═══════════════════════════════════════
   칠보일라이트 공식 홈페이지 공통 CSS
   ═══════════════════════════════════════ */

:root {
  --green-dark:  #0D1F14;
  --green:       #1A3829;
  --green-mid:   #2C5841;
  --gold:        #B8912E;
  --gold-light:  #D4AF5A;
  --gold-bg:     #F9F3E3;
  --cream:       #F6F3EE;
  --gray-dark:   #222831;
  --gray:        #4A4E5A;
  --gray-light:  #9198A0;
  --border:      #D8D2C4;
  --white:       #FFFFFF;
  --shadow-sm:   0 2px 12px rgba(0,0,0,.08);
  --shadow-md:   0 8px 32px rgba(0,0,0,.12);
  --shadow-lg:   0 20px 60px rgba(0,0,0,.18);
  --radius:      4px;
  --transition:  .25s ease;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif; color: var(--gray-dark); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }
ul { list-style: none; }

/* ── TYPOGRAPHY ── */
h1 { font-size: clamp(28px, 4vw, 52px); font-weight: 700; line-height: 1.2; letter-spacing: -.02em; }
h2 { font-size: clamp(22px, 3vw, 38px); font-weight: 700; line-height: 1.25; letter-spacing: -.01em; }
h3 { font-size: clamp(16px, 2vw, 22px); font-weight: 700; line-height: 1.35; }
h4 { font-size: 16px; font-weight: 700; line-height: 1.4; }
p  { font-size: 15px; color: var(--gray); line-height: 1.9; }

/* ── SECTION ── */
.section { padding: 96px 0; }
.section--alt { background: var(--cream); }
.section--dark { background: var(--green); }
.section--darkest { background: var(--green-dark); }
.container { max-width: 1120px; margin: 0 auto; padding: 0 40px; }
.container--sm { max-width: 800px; margin: 0 auto; padding: 0 40px; }

.section-eyebrow {
  display: inline-block;
  font-size: 11px; font-weight: 700;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.section-title { color: var(--green); margin-bottom: 18px; }
.section-title--white { color: var(--white); }
.section-desc { font-size: 15px; color: var(--gray); line-height: 1.9; max-width: 600px; }
.section-desc--center { text-align: center; margin: 0 auto; }
.section-header { margin-bottom: 60px; }
.section-header--center { text-align: center; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px;
  font-size: 13px; font-weight: 700; letter-spacing: .06em;
  transition: all var(--transition);
  border-radius: var(--radius);
  cursor: pointer;
}
.btn--primary { background: var(--gold); color: var(--white); }
.btn--primary:hover { background: #9A7820; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(184,145,46,.35); }
.btn--outline { border: 2px solid var(--white); color: var(--white); }
.btn--outline:hover { background: var(--white); color: var(--green); }
.btn--outline-green { border: 2px solid var(--green); color: var(--green); }
.btn--outline-green:hover { background: var(--green); color: var(--white); }
.btn--ghost { background: rgba(255,255,255,.12); color: var(--white); border: 1px solid rgba(255,255,255,.25); }
.btn--ghost:hover { background: rgba(255,255,255,.22); }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }

/* ─── HEADER ─── */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  height: 72px;
  background: rgba(13,31,20,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: box-shadow var(--transition);
}
#header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.3); }
.header-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 40px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 42px; width: auto; object-fit: contain; }
.logo-text { display: flex; flex-direction: column; gap: 1px; }
.logo-text .name { font-size: 15px; font-weight: 700; color: var(--white); letter-spacing: .02em; line-height: 1.2; }
.logo-text .sub  { font-size: 10px; color: rgba(255,255,255,.5); letter-spacing: .12em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 14px;
  font-size: 13px; font-weight: 500; letter-spacing: .04em;
  color: rgba(255,255,255,.8);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.nav a:hover, .nav a.active { color: var(--white); background: rgba(255,255,255,.1); }
.nav .nav-cta {
  margin-left: 12px; padding: 9px 20px;
  background: var(--gold); color: var(--white);
  border-radius: var(--radius); font-weight: 700; font-size: 13px;
}
.nav .nav-cta:hover { background: var(--gold-light); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; cursor: pointer;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: all .3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--green-dark); z-index: 499; padding: 32px 40px;
  flex-direction: column; gap: 4px; overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  display: block; padding: 14px 0;
  font-size: 18px; font-weight: 600; color: rgba(255,255,255,.85);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--gold); }
.mobile-nav .nav-cta {
  margin-top: 20px; padding: 16px 24px; text-align: center;
  background: var(--gold); color: var(--white);
  border-radius: var(--radius); font-weight: 700; font-size: 16px; border-bottom: none;
}

/* ── HERO ── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; overflow: hidden; padding: 120px 40px 80px;
}
.hero--sub {
  min-height: 50vh; padding-top: 140px; padding-bottom: 60px;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: brightness(.38) saturate(.9);
}
/* ── HERO SLIDESHOW ── */
.hero-slides {
  position: absolute;
  top: 0; left: 0; height: 100%;
  width: calc(3 * 100%);
  display: flex;
  transition: transform .7s cubic-bezier(.77,0,.18,1);
  will-change: transform;
}
.hero-slide {
  width: calc(100% / 3);
  height: 100%;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(.4) saturate(.9);
}
.hero-dots {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 5;
}
.hero-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,.35);
  border: 1.5px solid rgba(255,255,255,.6);
  cursor: pointer;
  transition: all .3s;
}
.hero-dot.active {
  background: var(--gold);
  border-color: var(--gold);
  transform: scale(1.3);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(13,31,20,.7) 0%, rgba(0,0,0,.3) 100%);
}
.hero-content { position: relative; z-index: 1; max-width: 860px; }
.hero-eyebrow {
  display: inline-block; font-size: 11px; font-weight: 700;
  letter-spacing: .3em; text-transform: uppercase;
  color: var(--gold-light); margin-bottom: 20px;
  border: 1px solid rgba(212,175,90,.4); padding: 5px 16px; border-radius: 20px;
}
.hero h1 { color: var(--white); margin-bottom: 20px; text-shadow: 0 2px 20px rgba(0,0,0,.4); }
.hero .hero-sub {
  font-size: 16px; color: rgba(255,255,255,.75); line-height: 1.8;
  max-width: 640px; margin: 0 auto 36px;
}
.hero-logo { width: 100px; height: 100px; object-fit: contain; margin: 0 auto 24px; }

/* ── STATS ── */
.stats-band { background: var(--green-dark); padding: 60px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.07); }
.stat-box {
  background: var(--green-dark); padding: 36px 24px; text-align: center;
}
.stat-num { font-size: 42px; font-weight: 700; color: var(--gold-light); line-height: 1; margin-bottom: 8px; }
.stat-num span { font-size: 22px; }
.stat-label { font-size: 13px; color: rgba(255,255,255,.55); letter-spacing: .06em; }

/* ── VALUE CARDS ── */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card {
  padding: 40px 32px;
  border-top: 3px solid var(--gold);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.value-icon {
  width: 52px; height: 52px; background: var(--green); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.value-icon svg { width: 24px; height: 24px; fill: var(--white); }
.value-card h3 { color: var(--green); margin-bottom: 12px; font-size: 18px; }
.value-card p { font-size: 14px; line-height: 1.85; }

/* ── PRODUCT CARDS ── */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-grid--3 { grid-template-columns: repeat(3, 1fr); }
.product-card {
  position: relative; aspect-ratio: 3/4; overflow: hidden;
  border-radius: var(--radius); cursor: pointer;
}
.product-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease;
}
.product-card:hover img { transform: scale(1.07); }
.product-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(13,31,20,.92) 0%, rgba(0,0,0,.08) 55%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px 22px;
  transition: background .3s;
}
.product-card:hover .product-overlay { background: linear-gradient(to top, rgba(13,31,20,.97) 0%, rgba(0,0,0,.2) 55%); }
.product-tag {
  display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: .12em;
  background: var(--gold); color: var(--white); padding: 3px 10px;
  margin-bottom: 8px; border-radius: 2px;
}
.product-overlay h3 { color: var(--white); font-size: 18px; margin-bottom: 8px; }
.product-overlay p {
  color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.65;
  opacity: 0; transform: translateY(8px);
  transition: all .3s;
}
.product-card:hover .product-overlay p { opacity: 1; transform: translateY(0); }
.product-more {
  margin-top: 12px; font-size: 12px; color: var(--gold-light);
  font-weight: 700; letter-spacing: .06em;
  opacity: 0; transition: opacity .3s;
  display: flex; align-items: center; gap: 4px;
}
.product-card:hover .product-more { opacity: 1; }

/* ── DETAIL PRODUCT CARDS (제품소개) ── */
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.product-detail-card {
  display: grid; grid-template-columns: 240px 1fr; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: box-shadow var(--transition);
}
.product-detail-card:hover { box-shadow: var(--shadow-md); }
.product-detail-img { height: 100%; min-height: 220px; object-fit: cover; }
.product-detail-body { padding: 28px 24px; }
.product-detail-body .product-tag { margin-bottom: 10px; }
.product-detail-body h3 { font-size: 18px; color: var(--green); margin-bottom: 8px; }
.product-detail-body .sub { font-size: 12px; color: var(--gold); font-weight: 600; letter-spacing: .06em; margin-bottom: 12px; }
.product-detail-body p { font-size: 13px; line-height: 1.8; color: var(--gray); margin-bottom: 16px; }
.feature-list { display: flex; flex-wrap: wrap; gap: 6px; }
.feature-chip {
  font-size: 11px; font-weight: 600; color: var(--green);
  background: var(--cream); border: 1px solid var(--border);
  padding: 4px 10px; border-radius: 20px;
}

/* ── CEO ── */
.ceo-grid {
  display: grid; grid-template-columns: 360px 1fr; gap: 72px; align-items: start;
}
.ceo-photo-wrap { position: relative; }
.ceo-photo { width: 100%; aspect-ratio: 3/4; object-fit: cover; object-position: top; display: block; }
.ceo-badge {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: var(--green); padding: 20px 24px;
}
.ceo-badge .name { font-size: 20px; font-weight: 700; color: var(--white); }
.ceo-badge .title { font-size: 12px; color: rgba(255,255,255,.65); margin-top: 4px; letter-spacing: .06em; }
.ceo-message blockquote {
  font-size: 22px; font-weight: 700; color: var(--green); line-height: 1.5;
  border-left: 4px solid var(--gold); padding-left: 20px; margin-bottom: 28px;
}
.ceo-message p { margin-bottom: 16px; }
.ceo-message .sign { margin-top: 32px; font-weight: 700; color: var(--green); text-align: right; }

/* ── MINE ── */
.mine-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; margin-top: 56px; }
.mine-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.mine-photos img { width: 100%; height: 180px; object-fit: cover; border-radius: var(--radius); }
.mine-photos img:first-child { grid-column: 1/-1; height: 240px; }
.mine-stat-list { display: flex; flex-direction: column; gap: 16px; }
.mine-stat {
  padding: 20px 22px; border-left: 4px solid var(--gold);
  background: var(--cream);
}
.mine-stat .label { font-size: 11px; font-weight: 700; color: var(--gold); letter-spacing: .15em; text-transform: uppercase; margin-bottom: 6px; }
.mine-stat .value { font-size: 18px; font-weight: 700; color: var(--green); margin-bottom: 3px; }
.mine-stat .note { font-size: 12px; color: var(--gray-light); }

/* ── CERT CARDS ── */
.cert-badges { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 40px; }
.cert-badge { background: var(--green); padding: 24px 32px; text-align: center; border-radius: var(--radius); min-width: 120px; }
.cert-badge .big { font-size: 36px; font-weight: 700; color: var(--gold-light); line-height: 1; }
.cert-badge .small { font-size: 12px; color: rgba(255,255,255,.65); margin-top: 6px; letter-spacing: .04em; }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert-card { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: box-shadow var(--transition); }
.cert-card:hover { box-shadow: var(--shadow-md); }
.cert-card img { width: 100%; height: 180px; object-fit: cover; }
.cert-card-body { padding: 16px 18px; }
.cert-card-body h4 { color: var(--green); margin-bottom: 6px; }
.cert-card-body p { font-size: 12px; line-height: 1.7; }

/* ── TWO COL ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.two-col img { width: 100%; height: 460px; object-fit: cover; border-radius: var(--radius); }
.two-col .text .section-title { margin-top: 0; }
.bullet-list { margin-top: 20px; display: flex; flex-direction: column; gap: 11px; }
.bullet-list li { display: flex; align-items: flex-start; gap: 11px; font-size: 14px; color: var(--gray); line-height: 1.7; }
.bullet-list li::before { content: ''; flex-shrink: 0; width: 6px; height: 6px; background: var(--gold); border-radius: 50%; margin-top: 8px; }

/* ── CHEM TABLE ── */
.chem-section { background: var(--green-dark); padding: 48px; border-radius: var(--radius); }
.chem-section h3 { color: var(--white); font-size: 16px; font-weight: 700; margin-bottom: 28px; letter-spacing: .06em; }
.chem-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.chem-item { background: rgba(255,255,255,.07); padding: 14px 8px; text-align: center; border-radius: var(--radius); }
.chem-name { font-size: 11px; color: rgba(255,255,255,.55); margin-bottom: 6px; }
.chem-val { font-size: 17px; font-weight: 700; color: var(--gold-light); }

/* ── EFFECTS GRID ── */
.effects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.effect-card { padding: 28px 24px; border: 1px solid var(--border); border-radius: var(--radius); transition: border-color var(--transition), box-shadow var(--transition); }
.effect-card:hover { border-color: var(--gold); box-shadow: var(--shadow-sm); }
.effect-icon { font-size: 28px; margin-bottom: 14px; }
.effect-card h4 { color: var(--green); font-size: 15px; margin-bottom: 10px; }
.effect-card p { font-size: 13px; line-height: 1.8; }

/* ── VISION CARDS ── */
.vision-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 48px; }
.vision-card { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); padding: 28px 18px; text-align: center; border-radius: var(--radius); transition: background var(--transition); }
.vision-card:hover { background: rgba(255,255,255,.13); }
.vision-card .v-num { font-size: 28px; font-weight: 700; color: var(--gold-light); margin-bottom: 10px; }
.vision-card p { font-size: 13px; color: rgba(255,255,255,.75); line-height: 1.7; }

/* ── FEATURE ROWS (룰루펫) ── */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0; align-items: stretch; margin-bottom: 0; overflow: hidden; }
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-img { width: 100%; height: 420px; object-fit: cover; }
.feature-text { padding: 60px 56px; display: flex; flex-direction: column; justify-content: center; }
.feature-text.bg-cream { background: var(--cream); }
.feature-text.bg-green { background: var(--green); }
.feature-text.bg-green .section-title { color: var(--white); }
.feature-text.bg-green .section-eyebrow { color: var(--gold-light); }
.feature-text.bg-green p { color: rgba(255,255,255,.75); }
.feature-text.bg-green .bullet-list li { color: rgba(255,255,255,.75); }

/* ── CONTACT ── */
.contact-grid { display: grid; grid-template-columns: 360px 1fr; gap: 64px; align-items: start; }
.contact-info-card { background: var(--green); padding: 40px 36px; border-radius: var(--radius); color: var(--white); }
.contact-info-card h3 { font-size: 20px; color: var(--white); margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,.15); }
.contact-info-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.contact-info-icon { width: 36px; height: 36px; background: rgba(255,255,255,.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.contact-info-icon svg { width: 16px; height: 16px; fill: var(--gold-light); }
.contact-info-label { font-size: 11px; color: rgba(255,255,255,.5); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 3px; }
.contact-info-value { font-size: 14px; color: var(--white); font-weight: 500; line-height: 1.6; }
.contact-form { background: var(--white); }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--green); margin-bottom: 7px; letter-spacing: .02em; }
.form-label .req { color: var(--gold); margin-left: 3px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: 14px; color: var(--gray-dark);
  transition: border-color var(--transition);
  background: var(--white);
  -webkit-appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--green);
}
.form-textarea { height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-check { display: flex; align-items: flex-start; gap: 10px; margin-top: 8px; }
.form-check input { width: 16px; height: 16px; margin-top: 3px; accent-color: var(--green); flex-shrink: 0; }
.form-check label { font-size: 13px; color: var(--gray); line-height: 1.6; }
.form-check label a { color: var(--green); text-decoration: underline; }
.form-submit { width: 100%; padding: 16px; background: var(--green); color: var(--white); font-size: 15px; font-weight: 700; letter-spacing: .06em; border-radius: var(--radius); cursor: pointer; transition: background var(--transition); margin-top: 8px; }
.form-submit:hover { background: var(--green-mid); }
.form-success { display: none; text-align: center; padding: 40px; }
.form-success .check { font-size: 48px; margin-bottom: 16px; }
.form-success h3 { color: var(--green); margin-bottom: 10px; }
.form-success p { font-size: 14px; }

/* ── CTA BANNER ── */
.cta-banner { background: var(--green-dark); padding: 72px 0; text-align: center; }
.cta-banner h2 { color: var(--white); margin-bottom: 14px; }
.cta-banner p { color: rgba(255,255,255,.65); font-size: 15px; margin-bottom: 32px; }
.cta-banner .btn-group { justify-content: center; }

/* ── FOOTER ── */
#footer { background: #060E09; padding: 64px 0 32px; }
.footer-inner { display: grid; grid-template-columns: 200px 1fr auto; gap: 60px; align-items: start; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 32px; }
.footer-logo img { height: 60px; width: auto; object-fit: contain; margin-bottom: 14px; }
.footer-logo .brand { font-size: 15px; font-weight: 700; color: var(--white); }
.footer-logo .sub { font-size: 11px; color: rgba(255,255,255,.4); margin-top: 2px; letter-spacing: .1em; }
.footer-info h4 { font-size: 12px; font-weight: 700; color: rgba(255,255,255,.4); letter-spacing: .15em; text-transform: uppercase; margin-bottom: 16px; }
.footer-info p { font-size: 13px; color: rgba(255,255,255,.55); line-height: 2.2; }
.footer-nav h4 { font-size: 12px; font-weight: 700; color: rgba(255,255,255,.4); letter-spacing: .15em; text-transform: uppercase; margin-bottom: 16px; }
.footer-nav ul { display: flex; flex-direction: column; gap: 8px; }
.footer-nav a { font-size: 13px; color: rgba(255,255,255,.55); transition: color var(--transition); }
.footer-nav a:hover { color: var(--gold-light); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,.25); }

/* ── POPUP ── */
.popup-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.65);
  z-index: 1000; display: flex; align-items: center; justify-content: center;
  padding: 24px; animation: fadeIn .3s ease;
}
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
.popup-box {
  background: var(--white); width: 100%; max-width: 500px;
  border-top: 5px solid var(--gold); box-shadow: var(--shadow-lg);
  animation: slideUp .35s ease;
}
@keyframes slideUp { from{transform:translateY(24px);opacity:0} to{transform:translateY(0);opacity:1} }
.popup-head {
  background: var(--green); padding: 18px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.popup-head h2 { font-size: 15px; font-weight: 700; color: var(--white); }
.popup-close-btn { color: rgba(255,255,255,.65); font-size: 22px; line-height: 1; transition: color var(--transition); background: none; border: none; cursor: pointer; }
.popup-close-btn:hover { color: var(--white); }
.popup-body { padding: 32px 28px; }
.popup-label { display: inline-block; background: var(--gold-bg); color: var(--gold); font-size: 10px; font-weight: 700; letter-spacing: .12em; padding: 4px 12px; margin-bottom: 16px; }
.popup-body h3 { font-size: 20px; font-weight: 700; color: var(--green); margin-bottom: 18px; line-height: 1.35; }
.popup-divider { height: 1px; background: var(--border); margin-bottom: 18px; }
.popup-body p { font-size: 14px; color: #444; line-height: 2; }
.popup-sign { margin-top: 20px; font-size: 13px; color: var(--gray); font-weight: 500; text-align: right; }
.popup-foot { padding: 14px 28px 24px; display: flex; justify-content: flex-end; }
.popup-foot button { padding: 11px 28px; background: var(--green); color: var(--white); font-size: 14px; font-weight: 700; border-radius: var(--radius); transition: background var(--transition); cursor: pointer; border: none; }
.popup-foot button:hover { background: var(--green-mid); }

/* ── HISTORY TIMELINE ── */
.timeline { position: relative; padding-left: 32px; }
.timeline::before { content:''; position:absolute; left:0; top:8px; bottom:8px; width:2px; background:var(--border); }
.timeline-item { position:relative; padding-bottom:28px; }
.timeline-item::before { content:''; position:absolute; left:-37px; top:6px; width:12px; height:12px; border-radius:50%; background:var(--gold); border:2px solid var(--white); box-shadow:0 0 0 2px var(--gold); }
.timeline-year { font-size:12px; font-weight:700; color:var(--gold); letter-spacing:.08em; margin-bottom:5px; }
.timeline-text { font-size:14px; color:var(--gray); line-height:1.7; }

/* ── MISC UTILS ── */
.text-gold { color: var(--gold); }
.text-green { color: var(--green); }
.text-white { color: var(--white); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mb-0  { margin-bottom: 0; }
.gap-section { height: 48px; }
.divider { height: 1px; background: var(--border); margin: 48px 0; }

/* ── LANGUAGE SWITCHER ── */
.lang-sw {
  display: flex; align-items: center; gap: 2px;
  margin-left: 16px; background: rgba(255,255,255,.08);
  border-radius: 20px; padding: 3px;
}
.lang-btn {
  padding: 4px 10px; font-size: 11px; font-weight: 700;
  letter-spacing: .04em; color: rgba(255,255,255,.55);
  background: none; border: none; border-radius: 16px;
  cursor: pointer; transition: all .2s;
}
.lang-btn:hover { color: #fff; }
.lang-btn.active {
  background: var(--gold); color: #fff;
}
/* Google Translate 배너/툴바 숨기기 */
.skiptranslate { display: none !important; }
body { top: 0 !important; }
.goog-te-banner-frame { display: none !important; }
#goog-gt-tt, .goog-te-balloon-frame { display: none !important; }
.goog-tooltip, .goog-tooltip:hover { display: none !important; }
.VIpgJd-ZVi9od-aZ2wEe-wOHMyf { display: none !important; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail-grid { grid-template-columns: 1fr; }
  .product-detail-card { grid-template-columns: 200px 1fr; }
  .vision-grid { grid-template-columns: repeat(3, 1fr); }
  .chem-grid { grid-template-columns: repeat(4, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-nav { grid-column: 1/-1; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .section { padding: 64px 0; }
  .container { padding: 0 24px; }
  h1 { font-size: 28px; }
  h2 { font-size: 22px; }
  .value-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .two-col img { height: 280px; }
  .ceo-grid { grid-template-columns: 1fr; gap: 32px; }
  .mine-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .feature-row, .feature-row.reverse { grid-template-columns: 1fr; direction: ltr; }
  .feature-img { height: 240px; }
  .feature-text { padding: 40px 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .vision-grid { grid-template-columns: repeat(2, 1fr); }
  .chem-grid { grid-template-columns: repeat(3, 1fr); }
  .product-detail-card { grid-template-columns: 1fr; }
  .product-detail-img { height: 200px; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .vision-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .chem-grid { grid-template-columns: repeat(2, 1fr); }
  .effects-grid { grid-template-columns: 1fr; }
  .cert-badges { flex-direction: column; }
}