:root {
  --bg: #06111f;
  --bg-deep: #030b15;
  --panel: #0d1c2e;
  --line: #173047;
  --line-bright: #235170;
  --text: #f5f7fa;
  --muted: #8da0b3;
  --cyan: #39c4d8;
  --cyan-soft: #85dce7;
  --content: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 13%, rgba(26, 91, 111, 0.13), transparent 25rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  border-radius: 4px;
  outline: 2px solid var(--cyan);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 9px 14px;
  border-radius: 6px;
  background: var(--cyan);
  color: var(--bg-deep);
  font-size: 13px;
  font-weight: 800;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
main,
footer {
  width: min(var(--content), calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
  border-bottom: 1px solid rgba(133, 150, 168, 0.14);
}

.brand {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.brand strong {
  font-size: 22px;
  letter-spacing: -0.04em;
}

.brand strong span {
  color: var(--cyan);
}

.brand small {
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.24em;
}

nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 12px;
}

nav a {
  transition: color 160ms ease;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(48px, 7vw, 96px);
  align-items: center;
  min-height: 720px;
  padding: 44px 0;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

h1,
h2 {
  margin: 0;
  letter-spacing: -0.045em;
  line-height: 1.18;
  text-wrap: balance;
}

.hero h1 {
  max-width: 650px;
  font-size: clamp(46px, 4vw, 56px);
}

.lead {
  margin: 28px 0 32px;
  color: var(--muted);
  font-size: 16px;
}

.cta-row {
  display: flex;
  gap: 16px;
  align-items: center;
}

.cta-row > small {
  color: var(--muted);
  font-size: 10px;
}

.store-button {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  padding: 13px 18px;
  border: 1px solid rgba(57, 196, 216, 0.46);
  border-radius: 7px;
  background: var(--cyan);
  box-shadow: 0 0 28px rgba(57, 196, 216, 0.18);
  color: var(--bg-deep);
  cursor: default;
  font-size: 12px;
  font-weight: 850;
}

.store-button::before {
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid currentColor;
  content: "";
}

.store-button::after {
  padding-left: 9px;
  border-left: 1px solid rgba(3, 11, 21, 0.24);
  content: "출시 준비 중";
  font-size: 9px;
  font-weight: 750;
  opacity: 0.72;
}

.phone-shot {
  position: relative;
  margin: 0;
  text-align: center;
}

.phone-shot::before {
  position: absolute;
  inset: 10% 10%;
  z-index: -1;
  border-radius: 999px;
  background: rgba(57, 196, 216, 0.11);
  content: "";
  filter: blur(52px);
}

.phone-shot img {
  display: block;
  width: 310px;
  max-width: 100%;
  height: auto;
  margin: auto;
  border: 1px solid var(--line-bright);
  border-radius: 19px;
  background: var(--bg-deep);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

.phone-shot figcaption {
  margin-top: 11px;
  color: var(--muted);
  font-size: 9px;
}

.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 38px max(calc((100vw - var(--content)) / 2), 20px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(3, 11, 21, 0.18);
}

.values div {
  padding-right: 40px;
}

.values div + div {
  padding-left: 40px;
  border-left: 1px solid var(--line);
}

.values span {
  display: block;
  color: var(--cyan);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.values strong {
  display: block;
  margin-top: 12px;
  font-size: 15px;
}

.arrival {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(60px, 9vw, 120px);
  align-items: center;
  min-height: 650px;
  padding: 70px 0;
}

.secondary img {
  width: 280px;
}

.arrival h2 {
  max-width: 560px;
  font-size: clamp(32px, 3.2vw, 42px);
}

.arrival-copy > p:last-child {
  max-width: 510px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 14px;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 110px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
}

footer strong {
  color: var(--text);
}

.privacy {
  padding-bottom: 80px;
}

.privacy-hero {
  padding: 84px 0 58px;
  border-bottom: 1px solid var(--line);
}

.privacy-hero h1 {
  font-size: clamp(42px, 4vw, 52px);
}

.privacy-hero > p:not(.eyebrow) {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.privacy-hero small {
  display: block;
  margin-top: 24px;
  color: var(--muted);
}

.privacy-layout {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 70px;
  padding-top: 55px;
}

.privacy-layout aside {
  position: sticky;
  top: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: max-content;
  padding-left: 20px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.privacy-layout aside a:hover,
.privacy-layout aside a:focus-visible {
  color: var(--cyan);
}

.privacy article {
  max-width: 740px;
}

.privacy article section {
  padding: 0 0 34px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 30px;
}

.privacy article h2 {
  margin-bottom: 14px;
  font-size: 22px;
  letter-spacing: -0.025em;
}

.privacy article p {
  margin: 0 0 12px;
  color: #a4b2c0;
  font-size: 14px;
}

.privacy article p:last-child {
  margin-bottom: 0;
}

.privacy article a {
  color: var(--cyan-soft);
}

.contact-box {
  padding: 24px !important;
  border: 1px solid #23425d !important;
  border-radius: 12px;
  background: var(--panel);
}

.contact-box h2 {
  font-size: 18px !important;
}

@media (max-width: 760px) {
  body {
    background:
      radial-gradient(circle at 80% 8%, rgba(26, 91, 111, 0.12), transparent 18rem),
      var(--bg);
  }

  .site-header,
  main,
  footer {
    width: min(100% - 30px, var(--content));
  }

  .site-header {
    height: 68px;
  }

  .site-header nav {
    gap: 15px;
    font-size: 10px;
  }

  .brand strong {
    font-size: 19px;
  }

  .brand small {
    display: none;
  }

  .hero {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 42px;
    min-height: 0;
    padding: 56px 0 58px;
  }

  .hero h1 {
    font-size: 39px;
  }

  .lead {
    font-size: 14px;
  }

  .cta-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .phone-shot img {
    width: min(100%, 330px);
  }

  .values {
    grid-template-columns: 1fr;
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .values div,
  .values div + div {
    padding: 17px 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .values div:last-child {
    border-bottom: 0;
  }

  .arrival {
    display: flex;
    flex-direction: column-reverse;
    align-items: stretch;
    gap: 36px;
    min-height: 0;
    padding: 66px 0 72px;
  }

  .arrival h2 {
    font-size: 29px;
  }

  .secondary img {
    width: min(100%, 300px);
  }

  footer {
    display: block;
    padding: 28px 0;
  }

  footer nav {
    flex-wrap: wrap;
    gap: 10px 14px;
    margin-top: 15px;
  }

  .privacy-hero {
    padding: 55px 0 40px;
  }

  .privacy-hero h1 {
    font-size: 37px;
  }

  .privacy-hero > p:not(.eyebrow) {
    font-size: 15px;
  }

  .privacy-layout {
    display: block;
    padding-top: 36px;
  }

  .privacy-layout aside {
    display: none;
  }

  .privacy article {
    max-width: none;
  }

  .privacy article section {
    scroll-margin-top: 10px;
  }
}

@media (max-width: 400px) {
  .site-header nav a:first-child {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}