@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap");

:root {
  color-scheme: dark;
  --bg: #100c1b;
  --bg-soft: #171125;
  --text: #f9f7ff;
  --muted: #b6b0c3;
  --purple: #a24dff;
  --purple-dark: #6c22cb;
  --line: rgba(255, 255, 255, 0.15);
  font-family: "Noto Sans KR", "Malgun Gothic", sans-serif;
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
::selection { background: #8d38e8; color: white; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; padding: 10px 16px; background: white; color: #171125; }
.skip-link:focus { top: 16px; }
.container { width: min(100% - 64px, 1240px); margin-inline: auto; }
.section-pad { padding-block: clamp(110px, 11vw, 180px); }
.accent { color: var(--purple); }
.muted { color: var(--muted); }
.eyebrow { margin: 0 0 28px; color: #c49aff; font-size: 12px; font-weight: 800; letter-spacing: .24em; }
h1, h2, p { word-break: keep-all; overflow-wrap: break-word; }

.site-header {
  position: fixed; z-index: 50; inset: 0 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 28px;
  height: 80px; padding-inline: max(32px, calc((100vw - 1240px) / 2));
  transition: background .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled { background: rgba(16, 12, 27, .9); box-shadow: 0 1px 0 var(--line); backdrop-filter: blur(18px); }
.brand { white-space: nowrap; font-size: 20px; font-weight: 900; letter-spacing: -.08em; }
.brand-mark { color: var(--purple); }
.desktop-nav { display: flex; gap: 36px; margin-left: auto; }
.desktop-nav a { color: #e9e5ef; font-size: 14px; font-weight: 600; transition: color .2s; }
.desktop-nav a:hover, .desktop-nav a:focus-visible { color: #c38dff; }
.header-contact { border: 1px solid rgba(255, 255, 255, .58); border-radius: 100px; padding: 10px 18px; font-size: 13px; font-weight: 800; white-space: nowrap; transition: background .2s, color .2s; }
.header-contact:hover, .header-contact:focus-visible { background: white; color: var(--bg); }
.header-contact span { margin-left: 6px; }

.hero { position: relative; display: flex; align-items: center; min-height: 740px; min-height: 100svh; isolation: isolate; overflow: hidden; background: #100d1c; }
.hero-poster, .hero-video, .hero-shade { position: absolute; inset: 0; pointer-events: none; }
.hero-poster { z-index: -3; background: url("./assets/night-sea.jpg") center 54% / cover no-repeat; animation: poster-drift 22s ease-in-out infinite alternate; }
.hero-video { z-index: -2; overflow: hidden; opacity: .8; }
.hero-video iframe { position: absolute; top: 50%; left: 50%; width: max(100vw, 177.78vh); height: max(100vh, 56.25vw); border: 0; transform: translate(-50%, -50%) scale(1.12); filter: saturate(.78) hue-rotate(8deg); }
.hero-shade { z-index: -1; background: linear-gradient(90deg, rgba(9, 7, 17, .58) 0%, rgba(10, 7, 21, .24) 72%), linear-gradient(180deg, rgba(10, 8, 20, .40) 0%, rgba(12, 8, 25, .18) 40%, rgba(16, 12, 27, .46) 69%, var(--bg) 100%); }
.hero-content { padding-top: 80px; padding-bottom: 100px; }
.hero h1 { max-width: 1060px; margin: 0 0 44px; font-size: clamp(42px, 5.8vw, 78px); line-height: 1.35; font-weight: 900; letter-spacing: -.065em; text-shadow: 0 3px 30px rgba(0, 0, 0, .55); }
.hero-lead { margin: 0; color: #faf8ff; font-size: clamp(18px, 1.9vw, 24px); font-weight: 600; line-height: 1.85; letter-spacing: -.04em; text-shadow: 0 2px 14px rgba(0, 0, 0, .65); }
.hero-lead strong { color: var(--purple); }
.scroll-cue { position: absolute; bottom: 45px; left: max(32px, calc((100vw - 1240px) / 2)); display: flex; align-items: center; gap: 13px; color: #dad2e7; font-size: 12px; letter-spacing: .14em; }
.scroll-line { display: block; width: 38px; height: 1px; background: currentColor; }
@keyframes poster-drift { from { transform: scale(1.08) translateY(-1.5%); } to { transform: scale(1.13) translateY(1%); } }

.reviews { padding-bottom: 65px; background: var(--bg); }
.section-heading { margin-bottom: 60px; }
.section-heading h2, .story h2, .promise h2, .explore h2 { margin: 0; font-size: clamp(36px, 4.3vw, 58px); line-height: 1.36; letter-spacing: -.065em; font-weight: 800; }
.section-heading .muted { margin-top: 27px; font-size: 17px; }
.carousel-wrap { width: 100%; overflow: hidden; }
.carousel { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-inline: max(32px, calc((100vw - 1240px) / 2)); padding-bottom: 10px; }
.carousel::-webkit-scrollbar { display: none; }
.carousel > * { flex: 0 0 clamp(240px, 25vw, 330px); height: 410px; margin: 0; scroll-snap-align: start; }
.review-image { border-radius: 18px; overflow: hidden; background: #292435; }
.review-image img { width: 100%; height: 100%; object-fit: cover; }
.placeholder-card { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; border: 1px dashed rgba(194, 153, 255, .35); border-radius: 18px; background: linear-gradient(145deg, #231932, #181321 60%, #14101e); color: #d5c9e1; text-align: center; font-size: 16px; font-weight: 700; }
.placeholder-card small { display: block; margin-top: 9px; color: #90869c; font-size: 12px; font-weight: 500; }
.placeholder-plus { display: grid; place-items: center; width: 58px; height: 58px; border: 1px solid rgba(194, 153, 255, .4); border-radius: 50%; color: #b57dff; font-size: 35px; font-weight: 300; line-height: 1; }
.placeholder-card em { position: absolute; bottom: 22px; left: 25px; color: #70647f; font-size: 11px; font-style: normal; letter-spacing: .15em; }
.carousel-controls { display: flex; justify-content: flex-end; gap: 10px; margin-top: 28px; }
.round-arrow { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: white; font-size: 20px; cursor: pointer; }
.round-arrow:hover { border-color: var(--purple); background: #2f2041; }

.story { background: linear-gradient(180deg, var(--bg) 0%, #151025 100%); }
.story h2 { max-width: 1050px; }
.story-copy { margin: 36px 0 70px; color: #e4deec; font-size: clamp(17px, 1.7vw, 21px); line-height: 1.85; }
.video-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.video-cards > * { min-height: 250px; }
.video-placeholder { min-height: 250px; }
.video-card { position: relative; display: block; overflow: hidden; border-radius: 18px; background: #261a37; }
.video-card img { width: 100%; height: 100%; min-height: 250px; object-fit: cover; transition: transform .25s; }
.video-card:hover img { transform: scale(1.05); }
.video-card::after { content: ""; position: absolute; inset: 40% 0 0; background: linear-gradient(transparent, rgba(0, 0, 0, .88)); }
.video-card > span:last-child { position: absolute; z-index: 1; bottom: 20px; left: 22px; right: 20px; font-size: 16px; font-weight: 800; }
.play-icon { position: absolute; z-index: 1; top: 20px; right: 20px; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: white; color: #1b1426; font-size: 14px; }

.promise { background: #120e1d; }
.promise-layout { display: grid; grid-template-columns: minmax(270px, .85fr) minmax(0, 1.15fr); gap: clamp(50px, 7vw, 120px); align-items: start; }
.promise-heading { position: sticky; top: 135px; }
.promise-heading > p:last-child { max-width: 360px; margin-top: 30px; color: #c8c0d2; font-size: 17px; line-height: 1.75; }
.promise-list { display: grid; gap: 18px; margin: 0; padding: 0; list-style: none; }
.promise-list li { display: flex; align-items: center; gap: 26px; min-height: 120px; padding: 26px 30px; border: 1px solid rgba(255, 255, 255, .75); border-radius: 17px; background: #faf8fc; color: #211a2b; box-shadow: 0 13px 35px rgba(255, 255, 255, .075); font-size: clamp(15px, 1.35vw, 17px); font-weight: 700; line-height: 1.65; }
.promise-number { flex: 0 0 38px; color: var(--purple-dark); font-size: 14px; font-weight: 900; letter-spacing: .05em; }

.explore { padding-bottom: 145px; background: linear-gradient(180deg, #120e1d, #100c1b); }
.explore-copy { margin: 30px 0 60px; color: #ded7e7; font-size: clamp(17px, 1.65vw, 21px); line-height: 1.85; }
.explore-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.explore-card { position: relative; display: flex; flex-direction: column; align-items: flex-start; min-height: 340px; padding: clamp(30px, 4vw, 50px); border: 1px solid #e8e3ee; border-radius: 22px; background: #faf8fc; color: #1b1523; box-shadow: 0 18px 40px rgba(255, 255, 255, .07); transition: transform .2s, box-shadow .2s; }
.explore-card[href]:hover, .explore-card[href]:focus-visible { transform: translateY(-5px); box-shadow: 0 24px 44px rgba(164, 77, 255, .2); }
.explore-card[aria-disabled="true"] { cursor: default; }
.card-icon { position: absolute; top: 38px; right: 42px; display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid #bca8d1; border-radius: 50%; color: #6e28bc; font-size: 20px; }
.card-label { margin-bottom: 12px; color: #783dc2; font-size: 12px; font-weight: 800; letter-spacing: .13em; }
.explore-card strong { font-size: 28px; letter-spacing: -.05em; }
.card-description { margin-top: 30px; color: #50495b; font-size: 16px; line-height: 1.8; }
.card-status { margin-top: auto; padding-top: 28px; color: #7b4aa9; font-size: 13px; font-weight: 700; }

.site-footer { border-top: 1px solid var(--line); background: #0e0a17; }
.footer-top { display: flex; justify-content: space-between; gap: 30px; align-items: center; padding-block: 70px 38px; }
.social-links { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.social-links a { color: #e2dce9; font-size: 13px; }
.social-links a:hover { color: #bd83ff; }
.footer-details { padding-bottom: 52px; color: #a8a0b2; font-size: 12px; line-height: 1.8; }
.footer-details p { margin: 3px 0; }
.footer-details a { text-decoration: underline; text-underline-offset: 3px; }
.footer-details span { padding-inline: 6px; color: #63576f; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 22px 35px; border-top: 1px solid var(--line); color: #81788b; font-size: 12px; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 12px 24px; }

.kakao-float { position: fixed; right: 28px; bottom: 90px; z-index: 45; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; width: 78px; height: 78px; border-radius: 50%; background: #fee500; color: #332600; box-shadow: 0 8px 28px rgba(0, 0, 0, .3); font-size: 12px; font-weight: 900; transition: transform .2s; }
.kakao-float:hover { transform: translateY(-4px); }
.kakao-bubble { position: relative; padding: 4px 7px; border-radius: 8px; background: #332600; color: #fee500; font-size: 10px; letter-spacing: -.04em; }
.kakao-bubble::after { content: ""; position: absolute; bottom: -4px; left: 9px; border: 4px solid transparent; border-top-color: #332600; border-bottom: 0; }
.top-float { position: fixed; right: 39px; bottom: 27px; z-index: 45; display: grid; place-items: center; width: 56px; height: 56px; border: 1px solid #e3ddea; border-radius: 50%; background: #fff; color: #1c1723; box-shadow: 0 6px 20px rgba(0, 0, 0, .22); font-size: 26px; cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity .2s, transform .2s; }
.top-float.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

@media (max-width: 900px) {
  .site-header { padding-inline: 24px; }
  .desktop-nav { gap: 20px; }
  .desktop-nav a { font-size: 12px; }
  .container { width: min(100% - 48px, 1240px); }
  .promise-layout { grid-template-columns: 1fr; gap: 45px; }
  .promise-heading { position: static; }
  .carousel { padding-inline: 24px; }
  .scroll-cue { left: 24px; }
}

@media (max-width: 680px) {
  .site-header { height: 68px; padding-inline: 20px; }
  .brand { font-size: 18px; }
  .desktop-nav { display: none; }
  .header-contact { padding: 9px 13px; font-size: 12px; }
  .container { width: min(100% - 40px, 1240px); }
  .hero { min-height: 680px; min-height: 100svh; }
  .hero-content { padding-top: 86px; padding-bottom: 95px; }
  .hero h1 { margin-bottom: 32px; font-size: clamp(29px, 7.7vw, 40px); line-height: 1.42; }
  .hero-lead { font-size: 16px; line-height: 1.85; }
  .story-copy br, .explore-copy br { display: none; }
  .hero-video { opacity: .55; }
  .hero-video iframe { width: max(100vw, 177.78vh); height: max(100vh, 56.25vw); }
  .scroll-cue { bottom: 26px; left: 20px; }
  .section-pad { padding-block: 95px; }
  .section-heading { margin-bottom: 45px; }
  .section-heading h2, .story h2, .promise h2, .explore h2 { font-size: clamp(32px, 8vw, 44px); }
  .section-heading .muted { font-size: 14px; }
  .carousel { gap: 12px; padding-inline: 20px; }
  .carousel > * { flex-basis: 73vw; height: 365px; }
  .story-copy { margin: 26px 0 42px; font-size: 16px; }
  .video-cards { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 10px; }
  .video-cards > * { flex: 0 0 78vw; min-height: 220px; scroll-snap-align: start; }
  .promise-list li { gap: 16px; min-height: 105px; padding: 22px; font-size: 15px; }
  .explore-copy { margin-bottom: 40px; font-size: 16px; }
  .explore-grid { grid-template-columns: 1fr; gap: 16px; }
  .explore-card { min-height: 290px; }
  .footer-top { display: block; padding-block: 50px 35px; }
  .social-links { margin-top: 30px; }
  .footer-details { padding-bottom: 35px; }
  .footer-details span { display: none; }
  .footer-details p { margin-bottom: 9px; }
  .kakao-float { right: 16px; bottom: 77px; width: 64px; height: 64px; font-size: 10px; }
  .top-float { right: 22px; bottom: 16px; width: 52px; height: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  .hero-poster { animation: none; }
  .hero-video { display: none; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
