:root {
  --bg: #eef5f2;
  --bg-soft: #e3eeeb;
  --ink: #11242a;
  --ink-soft: #4d636b;
  --brand: #0fc7c8;
  --brand-deep: #0a8f90;
  --accent: #ff9b3f;
  --card: rgba(255, 255, 255, 0.78);
  --card-strong: rgba(255, 255, 255, 0.92);
  --line: rgba(17, 36, 42, 0.12);
  --ok: #1ca67a;
  --warn: #ff7a59;
  --shadow-lg: 0 24px 80px rgba(7, 35, 36, 0.18);
  --shadow-md: 0 12px 32px rgba(7, 35, 36, 0.12);
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Space Grotesk", "Noto Sans KR", "Pretendard", sans-serif;
  background:
    radial-gradient(1200px 700px at 85% -20%, rgba(15, 199, 200, 0.24), transparent 60%),
    radial-gradient(800px 500px at -10% 20%, rgba(255, 155, 63, 0.16), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 52%, #f7fbf8 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(17, 36, 42, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 36, 42, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: -1;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 14px;
  z-index: 40;
  margin-top: 14px;
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.64);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-md);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand img {
  width: 34px;
  height: 34px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.main-nav a {
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.main-nav a:hover {
  color: var(--ink);
  border-color: rgba(15, 199, 200, 0.6);
}

.header-ctas {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switcher {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.lang-switcher button {
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.lang-switcher button.active {
  background: rgba(15, 199, 200, 0.16);
  color: var(--ink);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 11px 18px;
  font-weight: 600;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
  cursor: pointer;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  color: #062324;
  background: linear-gradient(90deg, var(--brand), #68f1ee);
  box-shadow: 0 8px 20px rgba(15, 199, 200, 0.26);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(15, 199, 200, 0.34);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
}

.btn-disabled,
a[aria-disabled="true"] {
  opacity: 0.64;
  cursor: default;
  pointer-events: none;
}

.store-btn {
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-width: 178px;
  line-height: 1.08;
}

.store-btn .btn-sub {
  font-size: 0.78rem;
  font-weight: 600;
  opacity: 0.82;
}

.hero {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: var(--space-6);
  align-items: center;
  padding-top: 68px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 7px 12px;
  background: rgba(17, 36, 42, 0.08);
  color: #194049;
  font-size: 0.83rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1.04;
  margin: 14px 0 16px;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
  margin-bottom: 24px;
}

.platform-note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.6;
  max-width: 60ch;
}

.hero-highlights {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.hero-chip {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.66);
  font-size: 0.89rem;
  color: #1e3a41;
}

.hero-preview {
  position: relative;
}

.glow-orb {
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  filter: blur(48px);
  z-index: -1;
  right: -20px;
  top: -40px;
  background: radial-gradient(circle at 30% 30%, rgba(15, 199, 200, 0.48), rgba(10, 143, 144, 0.04));
}

.hero-preview-card {
  width: min(420px, 100%);
  margin: 0 auto;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  position: relative;
  overflow: hidden;
}

.hero-preview-card img {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 19;
  object-fit: cover;
  border-radius: 20px;
  border: 1px solid rgba(17, 36, 42, 0.12);
}

.hero-preview-card figcaption {
  margin-top: 10px;
  font-size: 0.86rem;
  color: #476169;
  text-align: center;
}

main {
  padding-bottom: 96px;
}

.section {
  padding-top: var(--space-7);
}

.section h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
}

.section-lead {
  margin-top: 12px;
  margin-bottom: 0;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 72ch;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.shot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.shot-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--card-strong);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.shot-card img {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 19;
  object-fit: cover;
  background: linear-gradient(160deg, #0d2930 0%, #0e3a41 100%);
}

.shot-card h3 {
  margin: 12px 14px 6px;
  font-size: 1.03rem;
}

.shot-card p {
  margin: 0 14px 14px;
  color: var(--ink-soft);
  line-height: 1.58;
}

.card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow-md);
  padding: 18px;
}

.card h3 {
  margin: 10px 0 10px;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.62;
}

.icon-dot {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(15, 199, 200, 0.2), rgba(255, 155, 63, 0.18));
  display: grid;
  place-items: center;
  color: #045a5b;
  font-weight: 700;
}

.step-row {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.step {
  position: relative;
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--card-strong);
}

.step-index {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: #0f2630;
  color: #ecffff;
  font-size: 0.84rem;
  font-weight: 700;
}

.step h3 {
  margin: 12px 0 8px;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.trust-wrap {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 14px;
}

.trust-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.trust-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.74);
}

.trust-item .dot {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--ok);
}

.stat-box {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(15, 199, 200, 0.2), rgba(255, 155, 63, 0.22));
  box-shadow: var(--shadow-md);
  padding: 22px;
  display: grid;
  gap: 14px;
}

.stat {
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.78);
  padding: 12px;
}

.stat strong {
  font-size: 1.6rem;
}

.faq-list {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}

.faq-item {
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
  padding: 14px 16px;
}

.faq-item strong {
  display: block;
  margin-bottom: 6px;
}

.faq-item p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.cta {
  margin-top: var(--space-7);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.8);
  background:
    radial-gradient(500px 250px at 20% 10%, rgba(15, 199, 200, 0.35), transparent 70%),
    radial-gradient(460px 260px at 84% 90%, rgba(255, 155, 63, 0.3), transparent 70%),
    rgba(10, 33, 39, 0.88);
  color: #f4ffff;
  box-shadow: var(--shadow-lg);
  padding: clamp(28px, 4vw, 42px);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
  align-items: center;
}

.cta h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
}

.cta p {
  margin: 12px 0 0;
  color: rgba(241, 255, 255, 0.82);
  line-height: 1.6;
}

.cta .btn-ghost {
  color: #e6feff;
  border-color: rgba(232, 255, 255, 0.42);
  background: rgba(6, 30, 34, 0.5);
}

.site-footer {
  margin-top: 36px;
  padding: 28px 0 46px;
  color: #476169;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px) scale(0.98);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-reveal].visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }

.page-wrap {
  padding-top: 52px;
}

.page-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: var(--card-strong);
  box-shadow: var(--shadow-md);
  padding: clamp(20px, 3vw, 40px);
}

.page-card h1 {
  margin-top: 0;
  font-size: clamp(1.7rem, 4vw, 3rem);
}

.page-card h2 {
  margin-top: 24px;
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.page-card p,
.page-card li {
  color: var(--ink-soft);
  line-height: 1.72;
}

.page-card ul {
  margin: 0;
  padding-left: 18px;
}

@media (max-width: 1000px) {
  .hero,
  .cta,
  .trust-wrap {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
  }

  .main-nav {
    display: none;
  }
}

@media (max-width: 760px) {
  .grid-3,
  .shot-grid,
  .step-row,
  .hero-highlights {
    grid-template-columns: 1fr;
  }

  .header-shell {
    border-radius: 20px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .header-ctas {
    width: 100%;
    justify-content: center;
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions .btn {
    flex: 1;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}