:root {
  --deep: #021326;
  --navy: #052b4a;
  --ocean: #087eb5;
  --aqua: #24d7f3;
  --mint: #55f2cf;
  --foam: #effcff;
  --gold: #ffd45a;
  --text: #f5fdff;
  --muted: #a9d8e7;
  --line: rgb(92 221 244 / 24%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  font-family: Pretendard, "Noto Sans KR", system-ui, sans-serif;
  background:
    radial-gradient(circle at 15% 8%, rgb(36 215 243 / 18%), transparent 28rem),
    linear-gradient(180deg, #06385d 0, var(--deep) 38rem, #03192d 100%);
}
a { color: inherit; text-decoration: none; }

.topbar {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  height: 64px;
  padding: 0 max(20px, calc((100% - 1180px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgb(1 20 38 / 72%);
  border-bottom: 1px solid rgb(119 231 255 / 18%);
  backdrop-filter: blur(18px);
}
.logo {
  font-weight: 1000;
  letter-spacing: .24em;
  color: #a7f7ff;
  text-shadow: 0 0 24px rgb(36 215 243 / 55%);
}
.mini-cta {
  padding: 9px 16px;
  border: 1px solid rgb(85 242 207 / 70%);
  border-radius: 99px;
  color: #dffff8;
  font-size: 13px;
  font-weight: 900;
  background: rgb(0 103 139 / 32%);
}

.hero {
  position: relative;
  min-height: 840px;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 80% 20%, rgb(255 255 255 / 32%), transparent 16rem),
    linear-gradient(160deg, #158bc4 0, #075c91 33%, #032c50 70%, #021326 100%);
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -10%;
  right: -10%;
  height: 180px;
  border-radius: 50%;
  background: rgb(94 231 255 / 13%);
  filter: blur(2px);
}
.hero::before { bottom: 80px; transform: rotate(-4deg); }
.hero::after { bottom: -70px; transform: rotate(3deg); background: rgb(85 242 207 / 10%); }
.ocean-sun {
  position: absolute;
  z-index: -1;
  top: 110px;
  right: 7%;
  width: 260px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0, #d9fbff 22%, rgb(111 226 255 / 45%) 48%, transparent 70%);
  filter: blur(2px);
}
.hero-inner {
  width: min(1180px, calc(100% - 40px));
  padding: 118px 0 90px;
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: clamp(32px, 6vw, 82px);
  align-items: center;
}
.hero-content { position: relative; z-index: 2; }
.eyebrow,
.section-head > span {
  font-size: 12px;
  letter-spacing: .28em;
  font-weight: 1000;
  color: var(--mint);
}
.hero h1 {
  margin: 20px 0 25px;
  font-size: clamp(50px, 6vw, 80px);
  line-height: .96;
  letter-spacing: -.07em;
  text-shadow: 0 14px 40px rgb(0 23 45 / 45%);
}
.hero h1 em {
  color: var(--gold);
  font-style: normal;
  text-shadow: 0 0 28px rgb(255 212 90 / 34%);
}
.lead {
  margin: 0;
  color: #d8f4fb;
  font-size: 18px;
  line-height: 1.75;
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}
.hero-points span {
  padding: 8px 12px;
  border: 1px solid rgb(132 237 255 / 28%);
  border-radius: 99px;
  color: #c9f8ff;
  font-size: 12px;
  font-weight: 800;
  background: rgb(1 43 72 / 45%);
}
.discord,
.contact > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  margin-top: 28px;
  padding: 17px 24px;
  border-radius: 14px;
  color: #001c2d;
  font-weight: 1000;
  background: linear-gradient(135deg, var(--mint), var(--aqua));
  box-shadow: 0 16px 45px rgb(23 211 232 / 27%);
  transition: transform .25s, box-shadow .25s;
}
.discord:hover,
.contact > a:hover { transform: translateY(-3px); box-shadow: 0 20px 52px rgb(23 211 232 / 38%); }
.hero-media {
  position: relative;
  padding: 9px;
  overflow: hidden;
  border: 1px solid rgb(189 247 255 / 45%);
  border-radius: 28px;
  background: rgb(1 31 56 / 58%);
  box-shadow: 0 34px 90px rgb(0 20 45 / 55%), 0 0 55px rgb(49 218 255 / 18%);
  transform: rotate(1.2deg);
}
.hero-media video {
  display: block;
  width: 100%;
  aspect-ratio: 848 / 476;
  object-fit: cover;
  border-radius: 20px;
}
.media-badge {
  position: absolute;
  left: 26px;
  bottom: 24px;
  padding: 8px 12px;
  border-radius: 99px;
  color: #01233a;
  font-size: 11px;
  font-weight: 1000;
  letter-spacing: .16em;
  background: rgb(239 252 255 / 88%);
  backdrop-filter: blur(8px);
}
.scroll {
  position: absolute;
  z-index: 3;
  bottom: 24px;
  left: 50%;
  translate: -50%;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgb(130 234 255 / 40%);
  border-radius: 50%;
  color: #d9fbff;
  font-size: 30px;
  background: rgb(1 34 59 / 55%);
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: auto;
  padding: 105px 0 120px;
}
.section-head { margin-bottom: 48px; text-align: center; }
.section-head h2 {
  margin: 12px 0;
  font-size: clamp(34px, 5vw, 58px);
  letter-spacing: -.05em;
}
.section-head p { color: var(--muted); }
.service-list { display: grid; gap: 34px; }
.service-card {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(360px, .94fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(145deg, rgb(8 60 91 / 94%), rgb(2 28 49 / 98%));
  box-shadow: 0 25px 80px rgb(0 10 27 / 45%);
}
.service-card:nth-child(even) { background: linear-gradient(145deg, rgb(4 72 95 / 95%), rgb(2 31 56 / 98%)); }
.visual {
  position: relative;
  min-height: 510px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(145deg, #0b83b4, #06365c);
}
.visual video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s;
}
.service-card:hover .visual video { transform: scale(1.025); }
.visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 58%, rgb(0 24 45 / 78%));
}
.visual span {
  position: absolute;
  z-index: 2;
  left: 26px;
  bottom: 24px;
  color: #d8fbff;
  font-weight: 1000;
  letter-spacing: .16em;
}
.card-copy { padding: 46px; align-self: center; }
.card-copy small { color: var(--mint); font-weight: 1000; }
.card-copy h3 { margin: 12px 0 18px; font-size: 34px; }
.card-copy p,
.card-copy li { color: var(--muted); line-height: 1.75; }
.card-copy ul { margin: 24px 0; padding-left: 20px; }
.card-copy li::marker { color: var(--aqua); }
.card-copy a {
  display: block;
  padding: 16px;
  border-radius: 12px;
  color: #001f31;
  text-align: center;
  font-weight: 1000;
  background: linear-gradient(135deg, var(--mint), #42cfff);
}

.contact {
  position: relative;
  overflow: hidden;
  padding: 125px 20px 135px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 20%, rgb(66 207 255 / 28%), transparent 26rem),
    linear-gradient(180deg, #07385e, #021326);
}
.contact::before {
  content: "";
  position: absolute;
  top: -72px;
  left: -10%;
  width: 120%;
  height: 130px;
  border-radius: 50%;
  background: #03192d;
}
.contact p { color: var(--mint); font-size: 12px; font-weight: 1000; letter-spacing: .25em; }
.contact h2 { margin: 12px; font-size: clamp(38px, 6vw, 68px); }
.contact span { display: block; color: var(--muted); }
footer {
  display: flex;
  justify-content: space-between;
  padding: 32px max(20px, calc((100% - 1120px) / 2));
  border-top: 1px solid rgb(111 223 243 / 12%);
  color: #7eb3c6;
  background: #010e1b;
}
footer b { color: var(--aqua); letter-spacing: .2em; }

@media (max-width: 900px) {
  .hero { min-height: 920px; }
  .hero-inner { grid-template-columns: 1fr; padding-top: 110px; text-align: center; }
  .hero-content { order: 2; }
  .hero-media { order: 1; width: min(680px, 100%); margin: auto; transform: none; }
  .hero-points { justify-content: center; }
}

@media (max-width: 760px) {
  .topbar { height: 58px; }
  .hero { min-height: 840px; }
  .hero-inner { width: min(100% - 28px, 620px); gap: 34px; padding: 88px 0 82px; }
  .hero h1 { font-size: 52px; }
  .lead { font-size: 15px; }
  .hero-media { border-radius: 20px; }
  .hero-media video { border-radius: 14px; }
  .media-badge { left: 18px; bottom: 18px; }
  .service-card { grid-template-columns: 1fr; }
  .visual { min-height: 0; aspect-ratio: 688 / 848; }
  .card-copy { padding: 32px 24px; }
  .card-copy h3 { font-size: 28px; }
  footer { flex-direction: column; gap: 10px; text-align: center; }
}