:root{
  --bg:#eef3f9;
  --surface:#ffffff;
  --surface-soft:#f7f9fc;
  --line:#d7e1ee;
  --navy:#173a63;
  --navy-2:#234d7d;
  --text:#22364f;
  --muted:#657a95;
  --gold:#be8a45;
  --shadow:0 18px 40px rgba(26,53,90,.08);
  --radius:28px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: "Pretendard","Noto Sans KR","Malgun Gothic",Arial,sans-serif;
  background:linear-gradient(180deg,#f5f8fc 0%, var(--bg) 100%);
  color:var(--text);
  line-height:1.65;
  min-width:320px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1280px, calc(100% - 48px)); margin:0 auto}
nav{
  position:sticky; top:0; z-index:50;
  background:rgba(245,248,252,.88);
  backdrop-filter: blur(14px);
  border-bottom:1px solid rgba(215,225,238,.9);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:102px}
.logo{display:flex;flex-direction:column;gap:8px;min-width:260px}
.logo strong{font-size:28px;line-height:1.1;color:var(--navy);font-weight:800;letter-spacing:-.03em}
.logo span{font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:44px;list-style:none;padding:0;margin:0}
.nav-links a{font-size:17px;color:var(--muted);font-weight:700;padding:8px 0;position:relative}
.nav-links a.active,.nav-links a:hover{color:var(--navy)}
.nav-links a.active::after,.nav-links a:hover::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--navy);border-radius:2px}
.nav-cta{display:flex;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:58px;padding:0 28px;border-radius:999px;font-size:18px;font-weight:800;transition:.2s ease;border:1px solid transparent;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--navy);color:#fff;box-shadow:var(--shadow)}
.btn-secondary{background:transparent;border-color:#bfd0e3;color:var(--navy)}
section{padding:32px 0}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:stretch}
.hero-main,.hero-side,.story-card,.feature-panel,.page-panel,.product-card,.band,.contact-panel,.inq-card,.timeline-card,.feature-item,.info-card{
  background:rgba(255,255,255,.78);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero-main{padding:48px 42px 40px}
.kicker,.crumb,.section-kicker,.product-tag{display:inline-flex;align-items:center;padding:12px 20px;border-radius:999px;background:#edf2f8;color:var(--navy-2);font-size:14px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.hero-main h1,.page-panel h1{margin:24px 0 22px;font-size:clamp(46px,5vw,92px);line-height:.98;letter-spacing:-.06em;color:var(--navy)}
.hero-main h1 .sub{display:block;color:#6b8fbf}
.hero-main p,.page-panel p,.story-card p,.feature-item p,.band p,.contact-panel p,.product-card p{font-size:18px;color:var(--muted);margin:0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.info-card{padding:26px 24px;background:rgba(248,251,255,.9)}
.info-card h3{margin:0 0 10px;font-size:20px;line-height:1.25;color:var(--navy)}
.info-card p{margin:0;font-size:16px;color:var(--muted)}
.hero-side{padding:36px;background:linear-gradient(180deg,#173a63 0%,#234d7d 100%);color:#fff;position:relative;overflow:hidden}
.hero-side::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);background-size:40px 40px;opacity:.45}
.hero-side > *{position:relative;z-index:1}
.hero-side .crumb{background:rgba(255,255,255,.08);color:#cbd8ea;padding:0;border-radius:0;letter-spacing:.18em}
.hero-side h2{font-size:clamp(38px,3.5vw,62px);line-height:1.04;margin:24px 0 18px;letter-spacing:-.05em}
.hero-side p{font-size:18px;color:#d6e2f0}
.hero-lines{margin:28px 0 26px}
.hero-lines span{display:block;height:14px;background:rgba(255,255,255,.18);border-radius:999px;margin-bottom:16px}
.hero-lines span:nth-child(1){width:92%}.hero-lines span:nth-child(2){width:78%}.hero-lines span:nth-child(3){width:54%}
.hero-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.hero-cards .info-card{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);box-shadow:none}
.hero-cards .info-card h3{color:#fff}.hero-cards .info-card p{color:#d6e2f0}
.page-hero{padding-top:38px}
.page-panel{padding:42px}
.page-panel h1{font-size:clamp(40px,4vw,72px)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}
.section-title{margin:10px 0 0;font-size:42px;line-height:1.08;letter-spacing:-.04em;color:var(--navy)}
.section-desc{max-width:620px;color:var(--muted);font-size:18px}
.split-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:26px}
.story-card{padding:42px}
.story-card h3{margin:14px 0 18px;font-size:52px;line-height:1.06;letter-spacing:-.05em;color:var(--navy)}
.notice{margin-top:22px;padding:18px 20px;border-radius:18px;background:#edf3f9;color:#4e627c;font-size:15px}
.feature-panel{padding:24px;background:rgba(246,249,253,.92)}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.feature-item{padding:24px;box-shadow:none;background:#f4f8fc}
.feature-item strong{display:block;font-size:22px;color:var(--navy);margin-bottom:8px}
.timeline{display:grid;gap:16px}
.timeline-card{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:24px 26px;align-items:start}
.timeline-card strong{color:var(--gold);font-size:18px}
.timeline-card h4{margin:0 0 8px;font-size:24px;color:var(--navy)}
.timeline-card p{margin:0;color:var(--muted);font-size:17px}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.product-card{padding:28px 26px;transition:.2s ease;background:rgba(255,255,255,.85)}
.product-card:hover{transform:translateY(-4px)}
.product-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:18px}
.product-tag{letter-spacing:0;text-transform:none;font-size:13px;padding:10px 16px;background:#efe6d8;color:#9b6a28}
.product-no{font-size:28px;font-weight:800;color:#7a9bc6}
.product-card h3{margin:0 0 14px;font-size:26px;color:var(--navy)}
.product-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.product-tags span{padding:10px 14px;border-radius:999px;background:#edf2f8;color:#647a95;font-size:14px;font-weight:700}
.product-link{margin-top:24px;font-size:22px;font-weight:800;color:var(--navy)}
.band{padding:36px 38px;background:linear-gradient(180deg,#173a63 0%,#234d7d 100%);color:#fff}
.band h3{margin:0 0 12px;font-size:56px;line-height:1.05;letter-spacing:-.05em}
.band p{color:#d6e2f0;font-size:20px}
.band-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:24px}
.contact-panel,.inq-card{padding:34px}
.contact-panel h3,.inq-card h3{margin:10px 0 12px;font-size:38px;line-height:1.1;color:var(--navy)}
.contact-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:14px}
.contact-list li{padding:16px 18px;border-radius:18px;background:#f5f8fc;border:1px solid #e3ebf4;display:grid;gap:4px}
.contact-list strong{font-size:16px;color:var(--navy)}
.contact-list span{font-size:16px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:grid;gap:8px}.form-group.full{grid-column:1 / -1}
label{font-size:15px;font-weight:700;color:var(--navy)}
input,select,textarea{width:100%;border:1px solid #ced9e8;border-radius:16px;padding:16px 18px;font-size:16px;font-family:inherit;background:#fbfdff;color:var(--text);outline:none}
textarea{min-height:180px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:#87a7d2;box-shadow:0 0 0 4px rgba(89,128,186,.12)}
.footer{padding:18px 0 34px}
.footer-inner{display:flex;justify-content:space-between;gap:24px;padding:24px 28px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.72)}
.footer-copy strong{font-size:20px;color:var(--navy)}
.footer-copy p,.footer-meta{margin:6px 0 0;color:var(--muted)}
@media (max-width:1200px){.product-grid{grid-template-columns:repeat(2,1fr)}.hero-grid,.split-grid,.contact-grid{grid-template-columns:1fr}.hero-side{min-height:unset}}
@media (max-width:860px){.nav-inner{min-height:88px;flex-wrap:wrap;padding:12px 0}.nav-links{order:3;width:100%;justify-content:flex-start;gap:24px;overflow:auto;padding-bottom:6px}.hero-main,.hero-side,.story-card,.feature-panel,.page-panel,.band,.contact-panel,.inq-card{padding:28px}.mini-grid,.feature-grid,.hero-cards,.form-grid{grid-template-columns:1fr}.timeline-card{grid-template-columns:1fr;gap:8px}.band h3{font-size:38px}.hero-main h1,.page-panel h1{font-size:clamp(36px,12vw,58px)}.story-card h3,.hero-side h2,.section-title{font-size:34px}.btn{height:52px;font-size:16px;padding:0 22px}.wrap{width:min(1280px, calc(100% - 28px))}}
@media (max-width:560px){section{padding:20px 0}.logo strong{font-size:22px}.logo span{font-size:11px;letter-spacing:.18em}.nav-links a{font-size:15px}.product-grid{grid-template-columns:1fr}.hero-actions,.band-actions{flex-direction:column;align-items:stretch}.mini-grid{gap:12px}}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid #e5eaf2;
  backdrop-filter: blur(14px);
}

.header-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  text-decoration: none;
  color: #111827;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.brand span {
  margin-left: 6px;
  color: #6b7280;
  font-size: 14px;
}

.gnb {
  display: flex;
  gap: 42px;
}

.gnb a {
  text-decoration: none;
  color: #111827;
  font-size: 15px;
  font-weight: 600;
}

.gnb a:hover {
  color: #1d4ed8;
}

.main-visual {
  min-height: 680px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.96) 0%, rgba(255,255,255,0.88) 48%, rgba(255,255,255,0.35) 100%),
    url("열처리로.png") center right / contain no-repeat;
  border-bottom: 1px solid #eef2f7;
}

.visual-kicker,
.section-label,
.section-title-area p {
  color: #1d4ed8;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.main-visual h1 {
  margin: 22px 0;
  font-size: 58px;
  line-height: 1.15;
  letter-spacing: -0.06em;
  color: #0f172a;
}

.main-visual p {
  font-size: 19px;
  line-height: 1.8;
  color: #475467;
}

.visual-actions {
  margin-top: 36px;
  display: flex;
  gap: 12px;
}

.business-section,
.company-section {
  padding: 110px 0;
  background: #ffffff;
}

.section-title-area {
  margin-bottom: 44px;
}

.section-title-area h2 {
  margin: 10px 0 0;
  font-size: 42px;
  color: #0f172a;
  letter-spacing: -0.04em;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.business-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #ffffff;
  border: 1px solid #e5eaf2;
  overflow: hidden;
  transition: 0.25s ease;
}

.business-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
}

.business-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  background: #f8fafc;
}

.business-card div {
  padding: 30px;
}

.business-card span {
  color: #1d4ed8;
  font-weight: 800;
}

.business-card h3 {
  margin: 12px 0;
  font-size: 26px;
  color: #0f172a;
}

.business-card p {
  color: #667085;
  line-height: 1.7;
}

.company-section {
  background: #f8fafc;
}

.company-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 70px;
  align-items: start;
}

.company-grid h2 {
  font-size: 40px;
  line-height: 1.35;
  color: #0f172a;
  letter-spacing: -0.04em;
}

.company-list {
  display: grid;
  gap: 18px;
}

.company-list div {
  background: #ffffff;
  border: 1px solid #e5eaf2;
  padding: 28px;
}

.company-list strong {
  display: block;
  margin-bottom: 10px;
  font-size: 21px;
  color: #0f172a;
}

.company-list p {
  color: #667085;
  line-height: 1.7;
}

.contact-band {
  padding: 90px 0;
  text-align: center;
  background: #0f172a;
  color: #ffffff;
}

.contact-band h2 {
  font-size: 38px;
  margin-bottom: 14px;
}

.contact-band p {
  color: rgba(255,255,255,0.72);
  margin-bottom: 30px;
}

.footer {
  padding: 44px 0;
  background: #ffffff;
  border-top: 1px solid #e5eaf2;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  color: #667085;
}

.footer strong {
  color: #0f172a;
  font-size: 20px;
}

.footer p {
  margin: 6px 0;
}
.page-panel h1{
  font-size: 42px;
  line-height: 1.55;

  color: #111827;

  letter-spacing: -0.04em;
}
.band-title{
  display:inline-block;

  margin-bottom:18px;
  padding:8px 14px;

  border:1px solid rgba(255,255,255,0.18);

  font-size:13px;
  font-weight:700;
  letter-spacing:0.12em;

  text-transform:uppercase;

  color:rgba(255,255,255,0.72);

  background:rgba(255,255,255,0.04);
}

.band-heading{
  font-size:42px;
  line-height:1.35;

  letter-spacing:-0.05em;

  color:#ffffff;

  margin-bottom:22px;
}
.band .btn-secondary {
  background: #ffffff;
  color: #0b4ea2;
  border: 1px solid #ffffff;
}

.band .btn-secondary:hover {
  background: #f3f6fb;
  color: #0b4ea2;
}
.page-hero .page-panel h1 {
  font-size: 42px !important;
  line-height: 1.65 !important;
  color: #111827 !important;
}
.band .band-actions a.btn.btn-secondary {
  background: #ffffff !important;
  color: #0b4ea2 !important;
  border: 1px solid #ffffff !important;
}

.band .band-actions a.btn.btn-secondary:hover {
  background: #f3f6fb !important;
  color: #0b4ea2 !important;
}
.contact-desc,
.form-desc {
  color: #667085;
  line-height: 1.8;
  margin-bottom: 24px;
}

.contact-panel,
.inq-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.06);
}

.contact-panel h3,
.inq-card h3 {
  color: #111827;
  font-size: 30px;
  line-height: 1.35;
  margin: 12px 0 14px;
}

.contact-info-box {
  margin-top: 28px;
  padding: 24px;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
}

.contact-info-box h4 {
  margin: 0 0 12px;
  font-size: 20px;
  color: #111827;
}

.contact-info-box p {
  margin: 6px 0;
  color: #475467;
}

.form-button {
  margin-top: 20px;
}

.form-note {
  margin-top: 14px;
  color: #98a2b3;
  font-size: 13px;
  line-height: 1.6;
}