:root {
  --bg: #fafbfd;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #f9e000;
  --ink: #1a1a1a;
  --soft: #f4f4f5;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: "Noto Sans KR", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

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

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: none;
}

.landing {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--surface);
  overflow: hidden;
}

.ld-scroll {
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.ld-panel {
  min-height: 100%;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ld-inner {
  width: min(100%, 720px);
  margin: 0 auto;
}

/* Header */
.ld-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(1.25rem, 4vw, 3rem);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.ld-logo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.ld-logo svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.ld-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.ld-legal-btn {
  border: 0;
  background: transparent;
  padding: 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}

.ld-legal-btn:hover {
  color: var(--ink);
  text-decoration: underline;
}

.ld-lang {
  display: inline-flex;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 999px;
}

.ld-lang button {
  min-width: 32px;
  padding: 3px 8px 4px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
}

.ld-lang button.active {
  background: var(--ink);
  color: #fff;
}

/* Hero */
.ld-hero {
  position: relative;
  align-items: center;
  justify-content: center;
  padding: 5.5rem clamp(1.25rem, 4vw, 3rem) 3.5rem;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0.72) 100%),
    url("https://images.unsplash.com/photo-1545569341-9eb8b30979d9?auto=format&fit=crop&w=1920&q=80")
      center / cover no-repeat;
}

.ld-hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
  width: min(100%, 420px);
}

.ld-cta-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.ld-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
  animation: ld-hint 1.8s ease-in-out infinite;
  white-space: nowrap;
}

@keyframes ld-hint {
  0%, 100% { opacity: 0.45; transform: translate(-50%, 0); }
  50% { opacity: 1; transform: translate(-50%, 4px); }
}

.ld-hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.ld-hero h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2rem, 6vw, 2.375rem);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: -0.02em;
}

.ld-hero-lead {
  margin: 1rem 0 0;
  font-size: 1rem;
  line-height: 1.5;
  color: #e5e7eb;
}

.ld-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

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

.ld-btn:active {
  transform: translateY(0);
}

.ld-btn-primary {
  background: var(--accent);
  color: var(--ink);
}

.ld-btn-ghost {
  border: 1px solid #fff;
  color: #fff;
  font-weight: 500;
}

.ld-btn-browse {
  border: 1px solid #fff;
  color: #fff;
  font-weight: 500;
}

/* Sections */
.ld-section {
  padding: 5.5rem clamp(1.25rem, 4vw, 3rem) 3rem;
  background: var(--surface);
}

.ld-section > * {
  width: min(100%, 720px);
  margin-left: auto;
  margin-right: auto;
}

.ld-panel-end {
  justify-content: flex-start;
  padding: 0;
}

.ld-panel-end .ld-bottom-cta {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
}

.ld-section-head {
  margin-bottom: 2rem;
}

.ld-section-head h2 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.ld-section-head p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.ld-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ld-card {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.ld-card-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 700;
}

.ld-card-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.ld-card p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.47;
  color: var(--muted);
}

/* Steps */
.ld-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.ld-step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.ld-step-num {
  flex: 0 0 auto;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--soft);
  font-size: 0.875rem;
  font-weight: 700;
}

.ld-step h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
}

.ld-step p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.47;
  color: var(--muted);
}

/* Bottom CTA */
.ld-bottom-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 5.5rem clamp(1.25rem, 4vw, 3rem) 3rem;
  text-align: center;
  background: var(--ink);
  color: #fff;
}

.ld-bottom-cta h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.4rem, 4vw, 1.75rem);
  font-weight: 700;
  line-height: 1.3;
}

.ld-bottom-cta p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
  color: #e5e7eb;
}

.ld-bottom-cta .ld-btn-primary {
  width: min(100%, 320px);
}

/* Footer */
.ld-footer {
  padding: 3rem clamp(1.25rem, 4vw, 3rem);
  background: var(--soft);
  border-top: 1px solid var(--border);
}

.ld-footer-brand {
  margin-bottom: 1.5rem;
}

.ld-footer-brand .ld-logo {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.ld-footer-brand .ld-logo svg path,
.ld-footer-brand .ld-logo svg circle {
  stroke: var(--ink);
}

.ld-footer-brand p {
  margin: 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.ld-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.ld-footer-link {
  border: 0;
  background: transparent;
  padding: 0;
  font: inherit;
  font-weight: 500;
  color: inherit;
  cursor: pointer;
}

.ld-footer-link:hover {
  text-decoration: underline;
}

.ld-footer-copy {
  margin: 0;
  font-size: 0.7rem;
  color: var(--muted);
}

.ld-privacy-dialog {
  width: min(720px, calc(100vw - 2rem));
  max-height: min(80vh, 720px);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
}

.ld-privacy-dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.ld-privacy-panel {
  display: flex;
  flex-direction: column;
  max-height: min(80vh, 720px);
}

.ld-privacy-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--border);
}

.ld-privacy-head h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.ld-privacy-close {
  border: 0;
  background: transparent;
  width: 2rem;
  height: 2rem;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
}

.ld-privacy-body {
  padding: 1rem 1.15rem 1.35rem;
  overflow: auto;
  font-size: 0.88rem;
  line-height: 1.65;
  color: #333;
}

.ld-privacy-body h3 {
  margin: 1.25rem 0 0.45rem;
  font-size: 0.95rem;
}

.ld-privacy-body h4 {
  margin: 0.85rem 0 0.35rem;
  font-size: 0.88rem;
}

.ld-privacy-body p,
.ld-privacy-body ul {
  margin: 0 0 0.65rem;
}

.ld-privacy-body ul {
  padding-left: 1.15rem;
}

.ld-privacy-body a {
  color: #1a5fb4;
  text-decoration: underline;
}

@media (max-width: 480px) {
  .ld-hero {
    padding-top: 4.5rem;
    padding-bottom: 2.5rem;
  }

  .ld-legal-btn {
    font-size: 0.68rem;
    max-width: 5.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}