:root {
  --navy: #061126;
  --navy-2: #0a1c3b;
  --blue: #1672ff;
  --cyan: #39b8ff;
  --ink: #101827;
  --muted: #657083;
  --line: #dfe5ed;
  --paper: #f6f8fb;
  --white: #fff;
  --shell: min(1240px, calc(100vw - 64px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "Inter", "Noto Sans KR", sans-serif; word-break: keep-all; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
.page-shell { width: var(--shell); margin-inline: auto; }
.section { padding: 132px 0; }
.dark-section { color: var(--white); background: var(--navy); }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: 76px; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.13); transition: background .25s, height .25s, box-shadow .25s; }
.site-header.scrolled { height: 68px; background: rgba(5,15,33,.94); box-shadow: 0 10px 36px rgba(2,9,21,.2); backdrop-filter: blur(18px); }
.nav-shell { width: var(--shell); height: 100%; margin: auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.brand img, .footer-logo img { width: 34px; height: 22px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 38px; font-size: 14px; font-weight: 600; }
.main-nav a { position: relative; padding: 26px 0; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 18px; height: 2px; background: var(--cyan); transition: right .25s; }
.main-nav a:hover::after { right: 0; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 11px; border: 0; background: transparent; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: white; transition: transform .2s, opacity .2s; }

.hero { position: relative; min-height: 760px; height: 100svh; overflow: hidden; color: white; background: #020814; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2,8,20,.96) 0%, rgba(2,10,26,.78) 40%, rgba(2,8,20,.22) 75%, rgba(2,8,20,.38) 100%), linear-gradient(0deg, rgba(3,10,24,.8), transparent 48%); }
.hero-grid { position: absolute; inset: 0; opacity: .14; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, black, transparent 68%); }
.hero-content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; padding-top: 52px; }
.eyebrow { margin: 0 0 22px; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .17em; }
.eyebrow.light { color: #74c8ff; }
.hero h1 { max-width: 820px; margin: 0; font-size: clamp(52px, 6.2vw, 92px); line-height: 1.06; letter-spacing: -.055em; font-weight: 500; }
.hero h1 strong { font-weight: 800; }
.hero-copy { max-width: 680px; margin: 30px 0 28px; color: rgba(255,255,255,.82); font-size: clamp(17px, 1.45vw, 21px); line-height: 1.75; }
.text-link { display: inline-flex; width: max-content; align-items: center; gap: 13px; padding: 12px 0; border-bottom: 1px solid currentColor; font-size: 14px; font-weight: 700; }
.text-link span { color: var(--cyan); font-size: 20px; }
.hero-status { position: absolute; z-index: 3; right: max(32px, calc((100vw - 1240px)/2)); bottom: 38px; display: flex; align-items: center; gap: 9px; color: rgba(255,255,255,.6); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #37c88a; box-shadow: 0 0 0 6px rgba(55,200,138,.12); }
.scroll-cue { position: absolute; z-index: 3; left: 50%; bottom: 28px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255,255,255,.6); font-size: 9px; letter-spacing: .14em; }
.scroll-cue span { width: 1px; height: 34px; background: linear-gradient(white, transparent); }

.section-heading { max-width: 780px; margin-bottom: 64px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading h2, .sticky-copy h2, .application-copy h2, .simulation-content h2 { margin: 0; font-size: clamp(38px, 4vw, 60px); line-height: 1.18; letter-spacing: -.045em; }
.section-heading > p:last-child, .sticky-copy > p, .application-copy > p, .simulation-content > p { margin: 24px 0 0; color: var(--muted); font-size: 18px; line-height: 1.75; }
.problem { background: var(--paper); }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.problem-card { position: relative; min-height: 330px; padding: 38px; background: white; border: 1px solid #e7ebf0; transition: transform .3s, border-color .3s, box-shadow .3s; }
.problem-card:hover { transform: translateY(-8px); border-color: #9bcaff; box-shadow: 0 20px 50px rgba(18,50,88,.1); }
.card-index { color: #aab4c2; font-size: 12px; font-weight: 700; }
.line-icon { width: 54px; height: 54px; margin: 48px 0 30px; border: 1px solid #a8c7f5; border-radius: 50%; position: relative; }
.line-icon::before, .line-icon::after { content: ""; position: absolute; background: var(--blue); }
.line-icon.cost::before { width: 21px; height: 21px; left: 15px; top: 15px; border: 2px solid var(--blue); border-radius: 50%; background: none; }
.line-icon.cost::after { width: 2px; height: 28px; left: 25px; top: 11px; transform: rotate(45deg); }
.line-icon.quality::before { width: 20px; height: 26px; left: 16px; top: 12px; clip-path: polygon(50% 0,100% 22%,90% 78%,50% 100%,10% 78%,0 22%); }
.line-icon.quality::after { width: 7px; height: 12px; left: 23px; top: 18px; background: white; border-right: 2px solid var(--blue); border-bottom: 2px solid var(--blue); transform: rotate(45deg); }
.line-icon.waste::before { width: 17px; height: 25px; left: 17px; top: 14px; border: 2px solid var(--blue); border-radius: 50% 50% 55% 55%; background: none; }
.line-icon.waste::after { width: 6px; height: 6px; left: 24px; top: 25px; border-radius: 50%; }
.problem-card h3 { margin: 0 0 14px; font-size: 23px; letter-spacing: -.035em; }
.problem-card p { margin: 0; color: var(--muted); line-height: 1.7; }

.why { padding: 148px 0; background: radial-gradient(circle at 80% 30%, #13376c 0, var(--navy) 38%); }
.split-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: start; }
.sticky-copy { position: sticky; top: 130px; }
.sticky-copy > p { color: rgba(255,255,255,.64); }
.why-list { border-top: 1px solid rgba(255,255,255,.18); }
.why-item { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; padding: 42px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.why-item strong { font-size: 22px; }
.why-item span { color: #7acbff; font-size: 21px; font-weight: 700; }

.product { overflow: hidden; }
.workflow { display: grid; gap: 110px; }
.workflow-step { display: grid; grid-template-columns: 1.3fr .7fr; gap: 80px; align-items: center; }
.workflow-step.reverse { grid-template-columns: .7fr 1.3fr; }
.workflow-step.reverse .step-visual { order: 2; }
.step-visual { position: relative; min-height: 430px; display: grid; place-items: center; padding: 54px; overflow: hidden; background: #eaf0f6; }
.step-visual::before { content: ""; position: absolute; width: 300px; height: 300px; right: -100px; top: -100px; border: 1px solid rgba(22,114,255,.25); border-radius: 50%; box-shadow: 0 0 0 55px rgba(22,114,255,.04), 0 0 0 110px rgba(22,114,255,.025); }
.step-visual img { position: relative; z-index: 1; width: 100%; max-height: 440px; object-fit: contain; filter: drop-shadow(0 22px 35px rgba(20,44,74,.15)); }
.step-copy span { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.step-copy h3 { margin: 15px 0 20px; font-size: clamp(30px, 3vw, 46px); letter-spacing: -.045em; }
.step-copy p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.8; }

.simulation { position: relative; min-height: 780px; display: flex; align-items: center; overflow: hidden; }
.simulation-media { position: absolute; inset: 0; }
.simulation-media video { width: 100%; height: 100%; object-fit: cover; }
.simulation-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,13,31,.96) 5%, rgba(4,14,34,.78) 48%, rgba(4,14,34,.24)); }
.simulation-content { position: relative; z-index: 1; }
.simulation-content h2 { max-width: 790px; font-size: clamp(43px, 5vw, 70px); }
.simulation-content > p { max-width: 650px; color: rgba(255,255,255,.7); }
.benefit-row { display: flex; gap: 54px; margin-top: 60px; }
.benefit-row div { display: flex; flex-direction: column; gap: 7px; padding-left: 17px; border-left: 2px solid var(--blue); }
.benefit-row strong { font-size: 15px; }
.benefit-row span { color: rgba(255,255,255,.6); font-size: 13px; }

.value { background: var(--paper); }
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid #ced7e2; border-left: 1px solid #ced7e2; }
.value-card { min-height: 250px; padding: 40px; border-right: 1px solid #ced7e2; border-bottom: 1px solid #ced7e2; background: white; }
.value-card > span { color: var(--blue); font-size: 12px; font-weight: 800; }
.value-card h3 { margin: 50px 0 12px; font-size: 25px; letter-spacing: -.035em; }
.value-card p { margin: 0; color: var(--muted); line-height: 1.7; }

.application-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; align-items: center; }
.application-copy > p { color: var(--muted); }
.application-copy small { display: block; margin-top: 24px; color: #8b95a4; line-height: 1.6; }
.adapter-visual { padding: 58px 50px; background: #f2f6fb; text-align: center; }
.adapter-core { width: 142px; height: 142px; margin: auto; display: flex; flex-direction: column; justify-content: center; border-radius: 50%; color: white; background: radial-gradient(circle at 35% 30%, #2d90ff, #071b3b 68%); box-shadow: 0 20px 50px rgba(12,75,161,.25); }
.adapter-core span { font-size: 37px; font-weight: 800; font-style: italic; }
.adapter-core strong { font-size: 12px; }
.adapter-line { width: 2px; height: 42px; margin: auto; background: linear-gradient(var(--blue), #7bb9ff); }
.adapter-bar { padding: 17px; color: white; background: linear-gradient(90deg, #103a79, var(--blue)); font-size: 13px; font-weight: 800; letter-spacing: .12em; }
.robot-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px; margin-top: 14px; }
.robot-list span { padding: 18px 5px; background: white; color: #526071; font-size: 11px; font-weight: 800; }

.trust { background: #07152d; color: white; }
.trust .section-heading > p:last-child { color: rgba(255,255,255,.62); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.18); border-left: 1px solid rgba(255,255,255,.18); }
.trust-item { min-height: 260px; padding: 34px; border-right: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.trust-item span { color: #62bfff; font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.trust-item strong { display: block; margin-top: 72px; font-size: 20px; }
.trust-item p { margin: 12px 0 0; color: rgba(255,255,255,.55); font-size: 14px; line-height: 1.7; }
.cooperation { margin-top: 34px; padding: 34px 42px; display: flex; align-items: center; justify-content: space-between; background: linear-gradient(110deg, rgba(22,114,255,.22), rgba(255,255,255,.04)); border: 1px solid rgba(91,177,255,.3); }
.cooperation span { display: block; color: #61bdff; font-size: 10px; letter-spacing: .16em; }
.cooperation strong { display: block; margin-top: 9px; font-size: 23px; }
.cooperation p { color: rgba(255,255,255,.65); }

.vision { position: relative; min-height: 720px; display: flex; align-items: center; overflow: hidden; color: white; background: #020812; text-align: center; }
.vision-bg { position: absolute; inset: 0; background: radial-gradient(circle at 50% 48%, rgba(24,102,226,.28), transparent 34%), linear-gradient(rgba(2,8,18,.5), rgba(2,8,18,.86)), url('/media/images/product/로봇이 도장 하는 장면.png') center/cover; filter: saturate(.65); }
.vision-content { position: relative; z-index: 1; }
.vision-content > img { width: 160px; margin: 0 auto 36px; opacity: .28; }
.vision-content h2 { margin: 0; font-size: clamp(39px, 5vw, 68px); line-height: 1.28; letter-spacing: -.05em; font-weight: 400; }
.vision-content h2 strong { color: #83ccff; font-weight: 800; }
.vision-content > p:last-child { margin: 30px 0 0; color: rgba(255,255,255,.7); font-size: 18px; line-height: 1.8; }

.site-footer { padding: 60px max(32px, calc((100vw - 1240px)/2)) 28px; color: #b6c1d0; background: #020713; }
.footer-shell { display: flex; justify-content: space-between; gap: 60px; padding-bottom: 48px; }
.footer-logo { display: inline-flex; align-items: center; gap: 10px; color: white; font-size: 20px; font-weight: 800; }
.footer-brand p { color: #768396; font-size: 13px; }
.footer-meta { display: grid; grid-template-columns: repeat(3, auto); gap: 32px; font-size: 13px; }
.footer-meta p { margin: 0; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: #5d6a7b; font-size: 11px; }

.policy-page { min-height: 80vh; padding: 150px 0 110px; background: var(--paper); }
.policy-shell { max-width: 820px; }
.policy-shell h1 { margin: 0; font-size: clamp(42px, 5vw, 64px); letter-spacing: -.05em; }
.policy-intro { margin: 24px 0 70px; color: var(--muted); font-size: 18px; line-height: 1.75; }
.policy-shell article { padding: 30px 0; border-top: 1px solid var(--line); }
.policy-shell article h2 { margin: 0 0 13px; font-size: 20px; }
.policy-shell article p { margin: 0; color: var(--muted); line-height: 1.75; }
.policy-shell article a { color: var(--blue); }
.policy-date { margin-top: 40px; color: #8a95a3; font-size: 13px; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 960px) {
  :root { --shell: min(100% - 40px, 760px); }
  .section { padding: 96px 0; }
  .menu-toggle { display: block; }
  .main-nav { position: fixed; inset: 68px 0 0; display: flex; flex-direction: column; align-items: flex-start; gap: 0; padding: 46px 30px; transform: translateX(100%); transition: transform .28s; background: rgba(4,14,32,.98); }
  .main-nav.open { transform: none; }
  .main-nav a { width: 100%; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 18px; }
  .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.active span:nth-child(2) { opacity: 0; }
  .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { min-height: 690px; }
  .hero-video { object-position: 62% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(2,8,20,.96), rgba(2,8,20,.58)); }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-card { min-height: auto; }
  .line-icon { margin: 30px 0 20px; }
  .split-layout, .application-layout { grid-template-columns: 1fr; gap: 60px; }
  .sticky-copy { position: static; }
  .workflow { gap: 70px; }
  .workflow-step, .workflow-step.reverse { grid-template-columns: 1fr; gap: 34px; }
  .workflow-step.reverse .step-visual { order: 0; }
  .step-visual { min-height: 360px; }
  .simulation { min-height: 720px; }
  .simulation-overlay { background: rgba(3,12,30,.8); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-meta { grid-template-columns: 1fr; gap: 5px; text-align: right; }
}

@media (max-width: 600px) {
  :root { --shell: calc(100% - 32px); }
  .section { padding: 78px 0; }
  .hero { min-height: 700px; }
  .hero h1 { font-size: 46px; }
  .hero-copy br { display: none; }
  .hero-status { display: none; }
  .scroll-cue { left: auto; right: 18px; transform: none; }
  .section-heading { margin-bottom: 44px; }
  .section-heading h2, .sticky-copy h2, .application-copy h2, .simulation-content h2 { font-size: 36px; }
  .problem-card { padding: 30px; }
  .why { padding: 84px 0; }
  .why-item { grid-template-columns: 1fr; gap: 8px; padding: 28px 0; }
  .why-item strong, .why-item span { font-size: 18px; }
  .step-visual { min-height: 280px; padding: 26px; }
  .step-copy p { font-size: 16px; }
  .simulation { min-height: 760px; }
  .benefit-row { flex-direction: column; gap: 20px; margin-top: 40px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-card { min-height: 220px; }
  .adapter-visual { padding: 42px 18px; }
  .robot-list { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { min-height: 215px; }
  .trust-item strong { margin-top: 45px; }
  .cooperation { align-items: flex-start; flex-direction: column; gap: 12px; padding: 28px; }
  .cooperation p { margin: 0; }
  .vision { min-height: 640px; }
  .vision-content h2 { font-size: 36px; }
  .footer-shell { flex-direction: column; }
  .footer-meta { text-align: left; }
  .footer-bottom { flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-video, .simulation-media video { display: none; }
}
