:root {
  --bg: #100d0b;
  --panel: #191513;
  --panel-2: #211a16;
  --text: #fff8ed;
  --muted: #cfc1ae;
  --line: rgba(255, 248, 237, 0.16);
  --accent: #ff6a1a;
  --accent-2: #42c7f2;
  --gold: #ffd24a;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 10%, rgba(255, 106, 26, 0.22), transparent 30rem),
    radial-gradient(circle at 86% 18%, rgba(66, 199, 242, 0.18), transparent 24rem),
    var(--bg);
  line-height: 1.6;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 13, 11, 0.78);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(255, 210, 74, 0.22);
}

.brand-logo {
  width: 148px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 70px));
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  background-image: url("hero.png");
  background-position: center;
  background-size: cover;
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(90deg, rgba(16, 13, 11, 0.82) 0%, rgba(16, 13, 11, 0.4) 48%, rgba(16, 13, 11, 0.18) 100%),
    linear-gradient(180deg, rgba(16, 13, 11, 0.08) 0%, rgba(16, 13, 11, 0.62) 86%, var(--bg) 100%);
}

.hero-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 116px 0 72px;
}

.hero-logo {
  width: min(430px, 86vw);
  margin-bottom: 24px;
  filter: drop-shadow(0 16px 26px rgba(0, 0, 0, 0.58));
}

.eyebrow,
.meta-item {
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 1rem;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.55rem, 7vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 22px 0 0;
  color: var(--text);
  font-size: clamp(1.05rem, 2.3vw, 1.3rem);
  word-break: keep-all;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: var(--text);
  font-weight: 800;
  background: rgba(255, 255, 255, 0.08);
}

.button.primary {
  border-color: rgba(255, 106, 26, 0.84);
  background: linear-gradient(135deg, #ff6a1a, #e23512);
  box-shadow: 0 14px 28px rgba(226, 53, 18, 0.26);
}

.button:hover {
  transform: translateY(-1px);
}

.section {
  border-top: 1px solid var(--line);
  background: rgba(16, 13, 11, 0.72);
}

.section.alt {
  background: rgba(25, 21, 19, 0.88);
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 64px 0;
}

.section-title {
  max-width: 760px;
  margin: 0 0 26px;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3.3vw, 2.55rem);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-title p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 1.03rem;
  word-break: keep-all;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.035));
  box-shadow: var(--shadow);
}

.feature h3,
.info-panel h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
  letter-spacing: 0;
}

.feature p,
.info-panel p,
.policy p,
.policy li {
  margin: 0;
  color: var(--muted);
  word-break: keep-all;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
  font-size: 0.92rem;
}

.info-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 20px;
  align-items: center;
}

.app-icon-large {
  width: min(280px, 68vw);
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 26px 70px rgba(255, 106, 26, 0.3);
}

.info-panel {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.info-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.info-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.info-row strong {
  color: var(--gold);
}

.page-hero {
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(16, 13, 11, 0.92), rgba(16, 13, 11, 0.64)),
    url("hero.png") center / cover;
}

.page-hero .wrap {
  min-height: 330px;
  display: grid;
  align-items: end;
  padding-top: 80px;
}

.page-hero h1 {
  max-width: 820px;
  font-size: clamp(2.25rem, 5vw, 4.6rem);
}

.page-hero p {
  max-width: 720px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  word-break: keep-all;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.contact-card {
  min-height: 164px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.contact-card span {
  display: block;
  color: var(--gold);
  font-size: 0.93rem;
  font-weight: 800;
}

.contact-card a,
.contact-card strong {
  display: inline-block;
  margin-top: 8px;
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.policy {
  max-width: 920px;
}

.policy h2 {
  margin: 38px 0 12px;
  color: var(--text);
  font-size: 1.35rem;
  letter-spacing: 0;
}

.policy h2:first-child {
  margin-top: 0;
}

.policy ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.notice {
  margin-bottom: 26px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 210, 74, 0.28);
  border-radius: 8px;
  background: rgba(255, 210, 74, 0.08);
  color: var(--text);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #090706;
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  min-height: 92px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 0.93rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 820px) {
  .nav {
    min-height: 64px;
  }

  .brand-logo {
    width: 118px;
  }

  .nav-links {
    gap: 2px;
    font-size: 0.88rem;
  }

  .nav-links a {
    padding: 8px 7px;
  }

  .hero {
    min-height: 640px;
  }

  .hero::before {
    background-position: 61% center;
  }

  .hero-inner {
    padding: 88px 0 48px;
  }

  .feature-grid,
  .info-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .wrap {
    padding: 48px 0;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 24px 0;
  }
}

@media (max-width: 520px) {
  .nav {
    width: min(100% - 22px, 1120px);
  }

  .brand-logo {
    display: none;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .button {
    width: 100%;
  }

  .info-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .contact-card a,
  .contact-card strong {
    font-size: 1.08rem;
  }
}