@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

:root {
  --navy: #0c0e13;
  --navy-2: #242834;
  --accent: #ffbf01;      /* FLOSYS yellow (fills) */
  --accent-2: #ffdf80;
  --blue: #b88600;        /* yellow ink for text on light backgrounds */
  --cyan: #ffbf01;        /* yellow on dark backgrounds */
  --text: #1b2333;
  --muted: #6b7486;
  --line: #e4e8ef;
  --bg-soft: #f4f6fa;
  --white: #fff;
  --max: 1280px;
  --header-h: 84px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', -apple-system, 'Malgun Gothic', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; }
.inner { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ================= Header ================= */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  transition: background .3s, box-shadow .3s;
}
.header .inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { width: 44px; height: 44px; filter: invert(1); transition: filter .3s; }
.logo-text { display: flex; flex-direction: column; line-height: 1.05; color: #fff; transition: color .3s; }
.logo-text strong { font-size: 22px; font-weight: 800; letter-spacing: .08em; }
.logo-text span { font-size: 10px; letter-spacing: .38em; opacity: .75; }

.gnb { display: flex; height: 100%; }
.gnb > li { position: relative; height: 100%; }
.gnb > li > a {
  display: flex; align-items: center; height: 100%; padding: 0 22px;
  font-size: 16.5px; font-weight: 600; color: #fff; transition: color .2s;
}
.gnb > li > a::after {
  content: ''; position: absolute; left: 22px; right: 22px; bottom: 22px; height: 2px;
  background: var(--cyan); transform: scaleX(0); transition: transform .3s var(--ease);
}
.gnb > li:hover > a::after, .gnb > li.active > a::after { transform: scaleX(1); }
.gnb .sub {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 8px);
  min-width: 190px; background: #fff; border-radius: 10px; padding: 10px 0;
  box-shadow: 0 18px 40px rgba(11,20,36,.16);
  opacity: 0; visibility: hidden; transition: all .25s var(--ease);
}
.gnb > li:hover .sub { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.gnb .sub a { display: block; padding: 9px 22px; font-size: 15px; color: var(--text); white-space: nowrap; }
.gnb .sub a:hover { color: var(--blue); background: var(--bg-soft); }

.header-cta {
  padding: 10px 20px; border-radius: 999px; font-size: 14px; font-weight: 700;
  border: 1px solid rgba(255,255,255,.5); color: #fff; transition: all .2s;
}
.header-cta:hover { background: var(--accent); border-color: var(--accent); color: var(--navy); }

.header.scrolled, .header.solid, .header:hover {
  background: #fff; box-shadow: 0 1px 0 var(--line);
}
.header.scrolled .logo img, .header.solid .logo img, .header:hover .logo img { filter: none; }
.header.scrolled .logo-text, .header.solid .logo-text, .header:hover .logo-text,
.header.scrolled .gnb > li > a, .header.solid .gnb > li > a, .header:hover .gnb > li > a { color: var(--navy); }
.header.scrolled .header-cta, .header.solid .header-cta, .header:hover .header-cta { color: var(--navy); border-color: var(--line); }
.header.scrolled .header-cta:hover, .header.solid .header-cta:hover, .header:hover .header-cta:hover { color: var(--navy); border-color: var(--accent); }

.menu-btn { display: none; width: 40px; height: 40px; position: relative; }
.menu-btn span { position: absolute; left: 8px; right: 8px; height: 2px; background: #fff; transition: .3s; }
.menu-btn span:nth-child(1) { top: 13px; } .menu-btn span:nth-child(2) { top: 19px; } .menu-btn span:nth-child(3) { top: 25px; }
.header.scrolled .menu-btn span, .header.solid .menu-btn span { background: var(--navy); }

/* Mobile nav */
.m-nav {
  position: fixed; inset: 0; z-index: 200; background: var(--navy); color: #fff;
  padding: 24px; overflow-y: auto; transform: translateX(100%); transition: transform .35s var(--ease);
}
.m-nav.open { transform: none; }
.m-nav-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.m-close { color: #fff; font-size: 30px; line-height: 1; }
.m-nav > ul > li { border-bottom: 1px solid rgba(255,255,255,.1); }
.m-nav > ul > li > a { display: block; padding: 16px 0; font-size: 19px; font-weight: 700; }
.m-nav .sub { padding: 0 0 14px 12px; }
.m-nav .sub a { display: block; padding: 6px 0; color: rgba(255,255,255,.7); }

/* ================= Hero ================= */
.hero { position: relative; height: 100vh; min-height: 640px; overflow: hidden; background: var(--navy); color: #fff; }
.slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease;
  display: flex; align-items: center;
}
.slide.active { opacity: 1; z-index: 1; }
.slide-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.08); transition: transform 7s linear; }
.slide.active .slide-bg { transform: scale(1); }
.slide-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,9,12,.88) 0%, rgba(8,9,12,.55) 55%, rgba(8,9,12,.25) 100%); }
.slide .inner { position: relative; z-index: 2; width: 100%; }
.slide .eyebrow { font-size: 15px; font-weight: 700; letter-spacing: .3em; color: var(--cyan); margin-bottom: 22px; }
.slide h2 { font-size: clamp(36px, 5.4vw, 72px); font-weight: 800; line-height: 1.18; letter-spacing: -.02em; }
.slide p { margin-top: 24px; font-size: clamp(16px, 1.4vw, 20px); color: rgba(255,255,255,.8); max-width: 640px; }
.slide .btns { margin-top: 40px; display: flex; gap: 12px; flex-wrap: wrap; }
.slide .eyebrow, .slide h2, .slide p, .slide .btns { opacity: 0; transform: translateY(30px); transition: all .9s var(--ease); }
.slide.active .eyebrow { opacity: 1; transform: none; transition-delay: .3s; }
.slide.active h2 { opacity: 1; transform: none; transition-delay: .5s; }
.slide.active p { opacity: 1; transform: none; transition-delay: .7s; }
.slide.active .btns { opacity: 1; transform: none; transition-delay: .9s; }

.hero-ctrl {
  position: absolute; z-index: 5; left: 0; right: 0; bottom: 56px;
}
.hero-ctrl .inner { display: flex; align-items: center; gap: 26px; }
.hero-num { font-size: 15px; font-weight: 700; letter-spacing: .1em; }
.hero-num em { font-style: normal; color: var(--cyan); }
.hero-bars { display: flex; gap: 8px; }
.hero-bars button { width: 60px; height: 3px; background: rgba(255,255,255,.25); position: relative; overflow: hidden; }
.hero-bars button i { position: absolute; inset: 0; background: #fff; transform: scaleX(0); transform-origin: left; }
.hero-bars button.active i { animation: bar 6s linear forwards; }
@keyframes bar { to { transform: scaleX(1); } }
.scroll-down { position: absolute; z-index: 5; right: 40px; bottom: 50px; font-size: 11px; letter-spacing: .3em; writing-mode: vertical-rl; color: rgba(255,255,255,.7); }
.scroll-down::after { content: ''; display: block; width: 1px; height: 60px; margin: 12px auto 0; background: linear-gradient(#fff, transparent); animation: sd 2s infinite; }
@keyframes sd { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ================= Buttons ================= */
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 15px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 700; transition: all .25s var(--ease);
}
.btn::after { content: '→'; transition: transform .25s; }
.btn:hover::after { transform: translateX(4px); }
.btn-primary { background: var(--accent); color: var(--navy); }
.btn-primary:hover { background: #ffcf3d; }
.btn-line { border: 1px solid rgba(255,255,255,.55); color: #fff; }
.btn-line:hover { background: #fff; color: var(--navy); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--accent); color: var(--navy); }

/* ================= Sections ================= */
.section { padding: 130px 0; }
.section.soft { background: var(--bg-soft); }
.section.dark { background: var(--navy); color: #fff; }
.sec-head { margin-bottom: 60px; }
.sec-head.center { text-align: center; }
.sec-head .label { display: inline-block; font-size: 14px; font-weight: 800; letter-spacing: .25em; color: var(--blue); margin-bottom: 16px; }
.dark .sec-head .label { color: var(--cyan); }
.sec-head h2 { font-size: clamp(30px, 3.4vw, 46px); font-weight: 800; line-height: 1.3; letter-spacing: -.02em; }
.sec-head p { margin-top: 18px; font-size: 17px; color: var(--muted); }
.dark .sec-head p { color: rgba(255,255,255,.65); }
.sec-head.flex { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; flex-wrap: wrap; }

/* Business grid (main) */
.biz-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border-radius: 18px; overflow: hidden; }
.biz-card {
  position: relative; height: 520px; color: #fff; overflow: hidden; display: flex; align-items: flex-end;
  transition: flex .5s;
}
.biz-card .bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .8s var(--ease); }
.biz-card::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(8,9,12,.15) 0%, rgba(8,9,12,.9) 100%); transition: background .4s; }
.biz-card:hover::before { background: linear-gradient(180deg, rgba(255,191,1,.32) 0%, rgba(8,9,12,.95) 100%); }
.biz-card:hover .bg { transform: scale(1.08); }
.biz-card .txt { position: relative; z-index: 2; padding: 34px 28px; }
.biz-card .num { font-size: 13px; font-weight: 700; letter-spacing: .2em; color: var(--cyan); }
.biz-card h3 { font-size: 23px; font-weight: 800; margin: 10px 0 12px; line-height: 1.3; }
.biz-card ul { font-size: 14px; color: rgba(255,255,255,.75); max-height: 0; overflow: hidden; transition: max-height .5s var(--ease); }
.biz-card:hover ul { max-height: 200px; }
.biz-card li::before { content: '· '; }
.biz-card .more { display: inline-block; margin-top: 16px; font-size: 13px; font-weight: 700; letter-spacing: .1em; border-bottom: 1px solid currentColor; }

/* About intro (main) */
.intro { display: grid; grid-template-columns: 1.05fr 1fr; gap: 80px; align-items: center; }
.intro-img { position: relative; border-radius: 18px; overflow: hidden; aspect-ratio: 5/4; }
.intro-img img { width: 100%; height: 100%; object-fit: cover; }
.intro-img .badge {
  position: absolute; left: 24px; bottom: 24px; background: var(--accent); color: var(--navy); padding: 18px 24px; border-radius: 12px;
  font-weight: 800; font-size: 15px; letter-spacing: .05em;
}
.intro-txt h2 { font-size: clamp(28px, 3vw, 40px); font-weight: 800; line-height: 1.35; letter-spacing: -.02em; }
.intro-txt h2 em { font-style: normal; color: var(--blue); }
.intro-txt p { margin-top: 24px; color: var(--muted); font-size: 17px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 40px 0; }
.stat { border-top: 2px solid var(--navy); padding-top: 18px; }
.stat strong { display: block; font-size: 40px; font-weight: 800; color: var(--navy); line-height: 1.1; }
.stat strong sup { font-size: 20px; color: var(--blue); }
.stat span { font-size: 14px; color: var(--muted); }

/* Strength list */
.strength { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.1); border-radius: 18px; overflow: hidden; }
.strength li { background: var(--navy); padding: 38px 30px; transition: background .3s; }
.strength li:hover { background: var(--navy-2); }
.strength .n { font-size: 13px; font-weight: 800; color: var(--cyan); letter-spacing: .15em; }
.strength h4 { font-size: 19px; margin-top: 14px; line-height: 1.45; }

/* Product cards */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.prod-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 30px 26px; transition: all .3s var(--ease); }
.prod-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(11,20,36,.08); border-color: transparent; }
.prod-card .ico { width: 56px; height: 56px; border-radius: 14px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); display: grid; place-items: center; margin-bottom: 22px; }
.prod-card .ico svg { width: 28px; height: 28px; stroke: var(--navy); fill: none; stroke-width: 1.8; }
.prod-card h4 { font-size: 19px; font-weight: 800; }
.prod-card p { margin-top: 8px; font-size: 14.5px; color: var(--muted); }

/* Clients */
.clients { overflow: hidden; position: relative; }
.clients::before, .clients::after { content: ''; position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2; }
.clients::before { left: 0; background: linear-gradient(90deg, #fff, transparent); }
.clients::after { right: 0; background: linear-gradient(-90deg, #fff, transparent); }
.clients-track { display: flex; gap: 70px; width: max-content; animation: marquee 30s linear infinite; align-items: center; }
.clients-track img { height: 52px; width: auto; filter: grayscale(1); opacity: .7; transition: .3s; }
.clients-track img:hover { filter: none; opacity: 1; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* CTA band */
.cta-band { position: relative; padding: 110px 0; background: linear-gradient(120deg, #ffb300 0%, var(--accent) 50%, #ffd84d 100%); color: var(--navy); overflow: hidden; }
.cta-band::after { content: 'FLOSYS'; position: absolute; right: -20px; bottom: -60px; font-size: 220px; font-weight: 900; color: rgba(0,0,0,.06); letter-spacing: -.02em; }
.cta-band .inner { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { font-size: clamp(26px, 3vw, 40px); font-weight: 800; line-height: 1.35; }
.cta-band p { margin-top: 10px; color: rgba(12,14,19,.75); font-weight: 600; }
.cta-band .btn { background: var(--navy); color: #fff; }

/* ================= Footer ================= */
.footer { background: #070d18; color: rgba(255,255,255,.6); padding: 70px 0 40px; font-size: 14px; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer .logo img { filter: invert(1); }
.footer-menu { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-menu a { color: rgba(255,255,255,.85); font-weight: 600; }
.footer-menu a:hover { color: var(--cyan); }
.footer-info { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 6px 24px; }
.footer-info b { color: rgba(255,255,255,.85); font-weight: 600; margin-right: 6px; }
.copy { margin-top: 24px; font-size: 13px; color: rgba(255,255,255,.4); }

.top-btn {
  position: fixed; right: 28px; bottom: 28px; z-index: 90; width: 52px; height: 52px; border-radius: 50%;
  background: var(--accent); color: var(--navy); font-size: 13px; font-weight: 800; box-shadow: 0 10px 24px rgba(255,191,1,.4);
  opacity: 0; visibility: hidden; transition: .3s;
}
.top-btn.show { opacity: 1; visibility: visible; }

/* ================= Sub page ================= */
.sub-visual {
  position: relative; height: 440px; color: #fff; display: flex; align-items: center; text-align: center; overflow: hidden;
  background: var(--navy);
}
.sub-visual .bg { position: absolute; inset: 0; background-size: cover; background-position: center; animation: zoomOut 2.5s var(--ease) forwards; }
.sub-visual .bg::after { content: ''; position: absolute; inset: 0; background: rgba(8,9,12,.62); }
@keyframes zoomOut { from { transform: scale(1.12); } to { transform: scale(1); } }
.sub-visual .inner { position: relative; z-index: 2; width: 100%; padding-top: 50px; }
.sub-visual .eyebrow { font-size: 14px; letter-spacing: .3em; color: var(--cyan); font-weight: 700; }
.sub-visual h1 { font-size: clamp(34px, 4.4vw, 54px); font-weight: 800; margin-top: 12px; letter-spacing: -.02em; }
.sub-visual p { margin-top: 12px; color: rgba(255,255,255,.75); font-size: 17px; }

.sub-nav { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: var(--header-h); z-index: 50; }
.sub-nav .inner { display: flex; align-items: stretch; height: 64px; }
.sub-nav .home { width: 64px; display: grid; place-items: center; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.sub-nav .home svg { width: 18px; height: 18px; fill: var(--navy); }
.crumb { display: flex; align-items: center; padding: 0 24px; border-right: 1px solid var(--line); font-weight: 700; font-size: 15px; min-width: 200px; }
.sub-tabs { display: flex; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.sub-tabs a { display: flex; align-items: center; padding: 0 26px; font-size: 15px; font-weight: 600; color: var(--muted); white-space: nowrap; position: relative; }
.sub-tabs a.on { color: var(--blue); }
.sub-tabs a.on::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; background: var(--accent); }
.sub-tabs a:hover { color: var(--navy); }

.page { padding: 110px 0 130px; }
.page-title { text-align: center; margin-bottom: 70px; }
.page-title h2 { font-size: clamp(28px, 3.2vw, 42px); font-weight: 800; letter-spacing: -.02em; }
.page-title p { margin-top: 16px; color: var(--muted); font-size: 17px; }
.page-title .label { display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: .25em; color: var(--blue); margin-bottom: 14px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; margin-bottom: 110px; }
.split.rev .split-img { order: 2; }
.split-img { border-radius: 18px; overflow: hidden; aspect-ratio: 4/3; background: var(--bg-soft); }
.split-img img, .split-img .art { width: 100%; height: 100%; object-fit: cover; }
.split-txt .label { font-size: 13px; font-weight: 800; letter-spacing: .2em; color: var(--blue); }
.split-txt h3 { font-size: clamp(24px, 2.4vw, 32px); font-weight: 800; margin: 12px 0 20px; line-height: 1.4; letter-spacing: -.02em; }
.split-txt p { color: var(--muted); font-size: 16.5px; }
.check { margin-top: 26px; display: grid; gap: 12px; }
.check li { position: relative; padding-left: 32px; font-weight: 600; }
.check li::before { content: ''; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230c0e13' stroke-width='3'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/12px no-repeat; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-grid.four { grid-template-columns: repeat(4, 1fr); }
.feature { background: var(--bg-soft); border-radius: 16px; padding: 36px 30px; transition: .3s var(--ease); }
.feature:hover { background: var(--navy); color: #fff; transform: translateY(-6px); }
.feature:hover p { color: rgba(255,255,255,.7); }
.feature .n { font-size: 13px; font-weight: 800; color: var(--blue); letter-spacing: .15em; }
.feature:hover .n { color: var(--cyan); }
.feature h4 { font-size: 20px; font-weight: 800; margin: 12px 0 10px; }
.feature p { font-size: 15px; color: var(--muted); }

.block-title { font-size: 26px; font-weight: 800; margin-bottom: 30px; padding-left: 16px; border-left: 4px solid var(--accent); line-height: 1.2; }
.block { margin-bottom: 100px; }

.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: p; }
.process li { position: relative; text-align: center; padding: 30px 14px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.process li::before { counter-increment: p; content: 'STEP 0' counter(p); display: block; font-size: 12px; font-weight: 800; color: var(--blue); letter-spacing: .15em; margin-bottom: 10px; }
.process li strong { display: block; font-size: 17px; }
.process li span { display: block; font-size: 13.5px; color: var(--muted); margin-top: 6px; }
.process li:not(:last-child)::after { content: '›'; position: absolute; right: -14px; top: 50%; transform: translateY(-50%); color: var(--blue); font-size: 22px; font-weight: 800; z-index: 2; }

.spec-table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--navy); font-size: 15px; }
.spec-table th, .spec-table td { padding: 16px 18px; border-bottom: 1px solid var(--line); text-align: center; }
.spec-table thead th { background: var(--bg-soft); font-weight: 700; }
.spec-table td:first-child { font-weight: 700; color: var(--navy); }
.table-wrap { overflow-x: auto; }

.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.model { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; transition: .3s var(--ease); background: #fff; }
.model:hover { box-shadow: 0 22px 44px rgba(11,20,36,.1); transform: translateY(-6px); }
.model .art { height: 220px; }
.model .body { padding: 26px; }
.model .tag { display: inline-block; font-size: 12px; font-weight: 700; color: #8a6500; background: #fff3cc; padding: 4px 10px; border-radius: 999px; }
.model h4 { font-size: 21px; font-weight: 800; margin: 12px 0 8px; }
.model .meta { display: flex; gap: 18px; font-size: 14px; color: var(--muted); }
.model .meta b { color: var(--navy); }

/* Illustrative artwork panels (no stock photos) */
.art { position: relative; overflow: hidden; background: radial-gradient(circle at 70% 30%, #3b3218 0%, var(--navy) 68%); }
.art::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: 32px 32px; }
.art svg { position: absolute; inset: 0; width: 100%; height: 100%; }

/* Company */
.vision-box { background: var(--navy); color: #fff; border-radius: 20px; padding: 70px 60px; text-align: center; position: relative; overflow: hidden; }
.vision-box::before { content: ''; position: absolute; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(var(--accent), transparent 70%); opacity: .45; top: -200px; right: -120px; }
.vision-box h3 { position: relative; font-size: clamp(24px, 2.6vw, 34px); font-weight: 800; line-height: 1.45; }
.vision-box p { position: relative; margin-top: 18px; color: rgba(255,255,255,.7); }
.field-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.field { border: 1px solid var(--line); border-radius: 16px; padding: 32px 28px; }
.field h4 { font-size: 20px; font-weight: 800; padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.field li { font-size: 15px; color: var(--muted); padding: 4px 0; }
.field li::before { content: '— '; color: var(--blue); }

/* Location / contact */
.location { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; }
.map { border-radius: 18px; overflow: hidden; min-height: 400px; background: var(--bg-soft); }
.map iframe { width: 100%; height: 100%; min-height: 400px; border: 0; }
.loc-info { background: var(--bg-soft); border-radius: 18px; padding: 44px 40px; }
.loc-info dl { display: grid; gap: 22px; }
.loc-info dt { font-size: 13px; font-weight: 800; letter-spacing: .15em; color: var(--blue); }
.loc-info dd { font-size: 18px; font-weight: 700; margin-top: 4px; }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; }
.form .full { grid-column: 1 / -1; }
.form label { display: block; font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.form label i { color: var(--blue); font-style: normal; }
.form input, .form select, .form textarea {
  width: 100%; padding: 15px 16px; border: 1px solid var(--line); border-radius: 10px; font: inherit; font-size: 15px; background: #fff; transition: border .2s;
}
.form textarea { min-height: 180px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--accent); }
.agree { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.form-submit { text-align: center; margin-top: 20px; }
.form-msg { text-align: center; margin-top: 16px; font-weight: 700; color: var(--blue); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; } .d3 { transition-delay: .3s; } .d4 { transition-delay: .4s; }

/* ================= Responsive ================= */
@media (max-width: 1200px) {
  .gnb > li > a { padding: 0 13px; font-size: 15px; }
  .gnb > li > a::after { left: 13px; right: 13px; }
  .biz-grid { grid-template-columns: repeat(3, 1fr); }
  .biz-card { height: 400px; }
  .biz-card ul { max-height: 200px; }
}
@media (max-width: 1024px) {
  :root { --header-h: 70px; }
  .gnb, .header-cta { display: none; }
  .menu-btn { display: block; }
  .intro, .split, .location { grid-template-columns: 1fr; gap: 40px; }
  .split.rev .split-img { order: 0; }
  .prod-grid, .strength, .field-grid, .feature-grid.four { grid-template-columns: repeat(2, 1fr); }
  .feature-grid, .model-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .process li::after { display: none; }
  .section { padding: 90px 0; }
  .crumb { display: none; }
  .sub-tabs { margin-left: 0; }
}
@media (max-width: 640px) {
  .inner { padding: 0 16px; }
  .biz-grid { grid-template-columns: 1fr; }
  .biz-card { height: 300px; }
  .prod-grid, .strength, .field-grid, .feature-grid, .feature-grid.four, .model-grid, .process { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .stat strong { font-size: 28px; }
  .form { grid-template-columns: 1fr; }
  .sub-visual { height: 340px; }
  .page { padding: 70px 0 90px; }
  .scroll-down { display: none; }
  .hero-bars button { width: 36px; }
  .vision-box { padding: 50px 24px; }
  .loc-info { padding: 32px 24px; }
  .sub-tabs a { padding: 0 16px; }
}

/* Yellow theme: tone down blue photos so the accent color stands out */
.slide-bg, .sub-visual .bg, .intro-img img, .split-img img { filter: grayscale(.85) contrast(1.05); }
