@charset "UTF-8";

:root {
  --navy: #091631;
  --navy-2: #10254e;
  --blue: #2768e8;
  --cyan: #46c7e7;
  --ink: #14213d;
  --muted: #657086;
  --line: #dfe4ec;
  --soft: #f3f6fa;
  --white: #fff;
  --wrap: 1240px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif; line-height: 1.65; word-break: keep-all; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
button { font: inherit; }
.wrap { width: min(calc(100% - 48px), var(--wrap)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 999; padding: 12px 18px; color: #fff; background: #111; }
.skip-link:focus { top: 12px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: 92px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.18); transition: .35s var(--ease); }
.site-header.is-scrolled { height: 74px; color: var(--ink); background: rgba(255,255,255,.96); border-color: #e9edf3; box-shadow: 0 8px 30px rgba(10,25,56,.08); backdrop-filter: blur(14px); }
.header-inner { width: min(calc(100% - 48px), 1420px); height: 100%; margin: auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand-mark { width: 36px; height: 34px; display: flex; align-items: end; gap: 3px; transform: skew(-13deg); }
.brand-mark i { display: block; width: 9px; background: var(--cyan); }
.brand-mark i:nth-child(1) { height: 17px; }.brand-mark i:nth-child(2) { height: 27px; }.brand-mark i:nth-child(3) { height: 34px; background: var(--blue); }
.brand-copy { display: grid; line-height: 1; }
.brand-copy strong { font-size: 19px; letter-spacing: .06em; }
.brand-copy small { margin-top: 5px; font-size: 8px; letter-spacing: .08em; opacity: .72; }
.main-nav { display: flex; align-items: center; height: 100%; gap: clamp(20px,2.2vw,40px); font-size: 15px; font-weight: 700; }
.main-nav a { position: relative; display: grid; align-items: center; height: 100%; }
.main-nav a::after { content: ""; position: absolute; bottom: -1px; left: 50%; width: 0; height: 3px; background: var(--cyan); transition: .3s var(--ease); }
.main-nav a:hover::after,.main-nav a:focus-visible::after { left: 0; width: 100%; }
.main-nav .nav-remote { height: 46px; padding: 0 22px; color: #fff; background: var(--blue); border-radius: 3px; }
.main-nav .nav-remote::after { display: none; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; color: inherit; }
.menu-toggle span { display: block; width: 25px; height: 2px; margin: 6px auto; background: currentColor; transition: .3s; }

.hero { position: relative; min-height: 760px; height: 100svh; color: #fff; overflow: hidden; background: var(--navy); }
.hero-slide { position: absolute; inset: 0; background: var(--hero-image) center/cover no-repeat; opacity: 0; transform: scale(1.05); transition: opacity 1s var(--ease), transform 7s linear; }
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg,rgba(5,16,42,.85) 0%,rgba(7,21,51,.48) 55%,rgba(7,20,46,.14) 100%),linear-gradient(0deg,rgba(5,15,35,.42),transparent 45%); }
.hero-content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; padding-top: 50px; }
.eyebrow,.kicker { margin: 0 0 22px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .2em; }
.hero .eyebrow { color: #85dff2; }
.hero h1 { max-width: 900px; margin: 0; font-size: clamp(48px,5.2vw,78px); line-height: 1.2; letter-spacing: -.045em; font-weight: 700; }
.hero h1 span { color: #61d4ee; }
.hero-copy { margin: 24px 0 0; color: rgba(255,255,255,.8); font-size: clamp(18px,1.5vw,23px); }
.hero-actions { display: flex; gap: 12px; margin-top: 44px; }
.button { min-width: 180px; height: 58px; padding: 0 27px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid transparent; font-size: 14px; font-weight: 800; transition: .3s var(--ease); }
.button-primary { color: #fff; background: var(--blue); }
.button-primary:hover { background: #164fc1; transform: translateY(-2px); }
.button-ghost { border-color: rgba(255,255,255,.5); color: #fff; background: rgba(255,255,255,.05); backdrop-filter: blur(8px); }
.button-ghost:hover { color: var(--ink); background: #fff; }
.hero-controls { position: absolute; z-index: 3; bottom: 62px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 18px; }
.hero-dot { padding: 0; color: rgba(255,255,255,.5); background: none; border: 0; cursor: pointer; font-size: 12px; font-weight: 800; }
.hero-dot.is-active { color: #fff; }
.hero-progress { width: 150px; height: 1px; background: rgba(255,255,255,.35); }
.hero-progress i { display: block; width: 0; height: 1px; background: #fff; }
.hero-progress i.is-running { animation: heroTimer 6s linear forwards; }
@keyframes heroTimer { to { width: 100%; } }
.scroll-cue { position: absolute; z-index: 3; right: 36px; bottom: 55px; display: flex; align-items: center; gap: 15px; transform: rotate(90deg); transform-origin: right center; font-size: 9px; letter-spacing: .25em; }
.scroll-cue i { width: 54px; height: 1px; background: rgba(255,255,255,.6); }

.section { padding: 140px 0; }
.section-heading h2,.feature-copy h2,.maintenance-copy h2,.remote h2 { margin: 0; font-size: clamp(36px,4vw,58px); line-height: 1.25; letter-spacing: -.04em; }
.section-heading h2 span { color: var(--blue); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; align-items: start; }
.intro-copy .lead { margin: 5px 0 25px; color: var(--ink); font-size: 22px; font-weight: 700; }
.intro-copy > p:not(.lead) { color: var(--muted); font-size: 16px; }
.promise-list { margin-top: 45px; border-top: 1px solid var(--line); }
.promise-list div { display: grid; grid-template-columns: 70px 1fr; align-items: center; padding: 18px 4px; border-bottom: 1px solid var(--line); }
.promise-list strong { color: var(--blue); font-size: 12px; }.promise-list span { font-weight: 700; }

.section-dark { color: #fff; background: var(--navy); }
.heading-light { max-width: 720px; margin-bottom: 58px; }
.heading-light .kicker { color: var(--cyan); }.heading-light > p:last-child { color: #aeb9ce; }
.security-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.image-card { position: relative; min-height: 570px; overflow: hidden; background: #122; }
.image-card img { position: absolute; inset: 0; height: 100%; object-fit: cover; transition: .7s var(--ease); }
.image-card-shade { position: absolute; inset: 0; background: linear-gradient(0deg,rgba(3,12,31,.97),rgba(3,14,35,.08) 72%); transition: .4s; }
.image-card-copy { position: absolute; inset: auto 34px 34px; }
.image-card-copy > span { position: absolute; right: 0; bottom: 4px; color: rgba(255,255,255,.16); font-size: 70px; font-weight: 800; line-height: 1; }
.image-card-copy > p:not(.description) { margin: 0 0 4px; color: var(--cyan); font-size: 10px; letter-spacing: .17em; font-weight: 800; }
.image-card h3 { margin: 0; font-size: 29px; }
.image-card .description { max-height: 0; margin: 0; padding-top: 0; color: #c7d0e0; opacity: 0; overflow: hidden; transition: .5s var(--ease); }
.image-card:hover img { transform: scale(1.06); }.image-card:hover .description { max-height: 90px; padding-top: 18px; opacity: 1; }.image-card:hover .image-card-shade { background: linear-gradient(0deg,rgba(4,19,50,.99),rgba(4,17,41,.22) 80%); }

.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 100px; align-items: center; }
.feature-reverse .feature-image { order: 2; }.feature-reverse .feature-copy { order: 1; }
.feature-image { position: relative; }
.feature-image::before { content: ""; position: absolute; z-index: -1; left: -30px; bottom: -30px; width: 54%; height: 65%; background: #e9f0fb; }
.feature-reverse .feature-image::before { left: auto; right: -30px; background: #dfe9f7; }
.feature-image img { aspect-ratio: 1.25; object-fit: cover; }
.feature-image > span { position: absolute; left: -4px; bottom: 18px; padding: 10px 18px; color: #fff; background: var(--blue); font-size: 10px; letter-spacing: .15em; font-weight: 800; }
.feature-copy > p:not(.kicker) { max-width: 570px; margin: 28px 0 0; color: var(--muted); }
.check-list { padding: 0; margin: 40px 0 0; list-style: none; }
.check-list li { display: grid; grid-template-columns: 45px 1fr; gap: 14px; padding: 18px 0; border-top: 1px solid var(--line); }
.check-list li:last-child { border-bottom: 1px solid var(--line); }
.check-list i { color: var(--blue); font-style: normal; font-size: 12px; font-weight: 800; }
.check-list span { display: grid; color: var(--muted); font-size: 14px; }.check-list strong { margin-bottom: 3px; color: var(--ink); font-size: 16px; }
.soft-bg { background: var(--soft); }
.tag-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 35px; }
.tag-list span { padding: 10px 16px; color: #355077; background: #fff; border: 1px solid #dce5f0; border-radius: 30px; font-size: 13px; font-weight: 700; }

.maintenance-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px 90px; align-items: center; }
.maintenance-copy > p:not(.kicker) { color: var(--muted); margin: 27px 0 0; }
.text-link { display: inline-flex; gap: 40px; margin-top: 38px; padding-bottom: 8px; border-bottom: 2px solid var(--ink); font-size: 14px; font-weight: 800; }
.text-link span { color: var(--blue); }.maintenance-image img { height: 480px; object-fit: cover; }
.service-points { grid-column: 1/-1; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service-points div { padding: 35px; border-right: 1px solid var(--line); }.service-points div:first-child { padding-left: 0; }.service-points div:last-child { border-right: 0; }
.service-points b { color: var(--blue); font-size: 11px; }.service-points h3 { margin: 12px 0 8px; font-size: 20px; }.service-points p { margin: 0; color: var(--muted); font-size: 14px; }

.remote { position: relative; min-height: 600px; display: grid; align-items: center; color: #fff; overflow: hidden; }
.remote-bg { position: absolute; inset: 0; background: var(--remote-image) center/cover no-repeat; }
.remote-shade { position: absolute; inset: 0; background: linear-gradient(90deg,rgba(6,19,46,.93),rgba(8,27,64,.48)); }
.remote-content { position: relative; z-index: 1; padding-block: 100px; }
.remote .kicker { color: var(--cyan); }.remote-content > p:not(.kicker) { margin: 24px 0 36px; color: rgba(255,255,255,.75); }

.site-footer { color: #aeb8cb; background: #071126; }
.footer-grid { position: relative; display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding-block: 75px; }
.footer-brand { color: #fff; font-size: 25px; font-weight: 900; letter-spacing: .07em; }.footer-grid p { margin: 11px 0 0; font-size: 13px; }
.footer-contact { padding-top: 3px; }.footer-contact p:first-child { margin-top: 0; }.footer-contact p:last-child { display: flex; gap: 25px; }
.admin-link,.admin-link:hover,.admin-link:focus,.admin-link:visited { color: inherit; text-decoration: none; cursor: text; outline: none; }
.to-top { position: absolute; top: 0; right: 0; width: 52px; height: 52px; display: grid; place-items: center; color: #fff; background: var(--blue); font-size: 20px; }
.footer-bottom { display: flex; justify-content: space-between; padding-block: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: 10px; letter-spacing: .08em; }

.reveal { opacity: 0; transform: translateY(35px); transition: opacity .8s var(--ease),transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1100px) {
  .site-header,.site-header.is-scrolled { height: 74px; }
  .menu-toggle { display: block; position: relative; z-index: 102; }
  .main-nav { position: fixed; inset: 0; padding: 110px 30px 40px; display: flex; flex-direction: column; align-items: stretch; gap: 0; color: #fff; background: var(--navy); transform: translateX(100%); transition: .4s var(--ease); }
  .main-nav.is-open { transform: none; }
  .main-nav a,.main-nav .nav-remote { height: auto; padding: 17px 6px; border-bottom: 1px solid rgba(255,255,255,.13); background: transparent; font-size: 21px; }
  .main-nav a::after { display: none; }
  .menu-toggle.is-open { color: #fff; }.menu-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }.menu-toggle.is-open span:nth-child(2) { opacity: 0; }.menu-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .intro-grid,.split,.maintenance-grid { gap: 60px; }
  .security-grid { gap: 12px; }.image-card { min-height: 500px; }.image-card-copy { inset: auto 24px 28px; }
}

@media (max-width: 820px) {
  .wrap,.header-inner { width: min(calc(100% - 36px), var(--wrap)); }
  .hero { min-height: 680px; }.hero-content { justify-content: flex-end; padding-bottom: 160px; }.hero h1 { font-size: clamp(40px,10vw,62px); }
  .scroll-cue { display: none; }.hero-controls { bottom: 42px; }
  .section { padding: 90px 0; }
  .intro-grid,.split,.maintenance-grid { grid-template-columns: 1fr; gap: 50px; }
  .security-grid { grid-template-columns: 1fr; }.image-card { min-height: 480px; }.image-card .description { max-height: 100px; padding-top: 14px; opacity: 1; }
  .feature-image { order: 1 !important; }.feature-copy { order: 2 !important; }.feature-image::before { display: none; }
  .maintenance-image img { height: 380px; }.service-points { grid-template-columns: 1fr; }.service-points div,.service-points div:first-child { padding: 25px 0; border-right: 0; border-bottom: 1px solid var(--line); }.service-points div:last-child { border-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }.footer-contact p:last-child { flex-direction: column; gap: 4px; }.footer-bottom { gap: 20px; }
}

@media (max-width: 520px) {
  .wrap,.header-inner { width: calc(100% - 30px); }
  .brand-copy small { display: none; }.hero { min-height: 640px; }.hero h1 { font-size: 38px; }.hero-copy { font-size: 17px; }
  .hero-actions { flex-direction: column; align-items: stretch; }.button { width: 100%; }
  .section-heading h2,.feature-copy h2,.maintenance-copy h2,.remote h2 { font-size: 33px; }
  .intro-copy .lead { font-size: 19px; }.image-card { min-height: 430px; }.maintenance-image img { height: 300px; }
  .footer-bottom { flex-direction: column; }.remote { min-height: 540px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}