/* TING — 퍼스널 OS · Legal & marketing static pages */
:root {
  color-scheme: dark;
  --ting-bg: #12111f;
  --ting-bg-deep: #0e0d18;
  --ting-surface: #1e1c32;
  --ting-tint: #2a2748;
  --ting-text: #e2e0f5;
  --ting-text-strong: #f5f3ff;
  --ting-text-muted: #a8a5c8;
  --ting-text-subtle: #6e6b8f;
  --ting-brand: #a78bfa;
  --ting-brand-accent: #2dd4bf;
  --ting-border: rgba(167, 139, 250, 0.14);
  --ting-border-strong: rgba(255, 255, 255, 0.1);
  --ting-link: #c4a8ff;
  --ting-link-hover: #e9d5ff;
  --ting-max-width: 720px;
  --ting-radius: 12px;
  --ting-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--ting-font);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ting-text);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(167, 139, 250, 0.12), transparent),
    linear-gradient(180deg, var(--ting-bg-deep) 0%, var(--ting-bg) 40%, var(--ting-bg) 100%);
}

a {
  color: var(--ting-link);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover,
a:focus-visible {
  color: var(--ting-link-hover);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--ting-brand);
  outline-offset: 2px;
  border-radius: 2px;
}

code {
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  font-size: 0.85em;
  padding: 0.1em 0.35em;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 4px;
  color: var(--ting-brand-accent);
}

.site-header {
  border-bottom: 1px solid var(--ting-border);
  background: rgba(18, 17, 31, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner,
.site-main,
.site-footer__inner {
  max-width: var(--ting-max-width);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ting-text-strong);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-brand:hover {
  color: var(--ting-text-strong);
  text-decoration: none;
}

.site-brand__mark {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.4rem;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  font-size: 0.875rem;
}

.site-nav a {
  color: var(--ting-text-muted);
  text-decoration: none;
}

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

.site-main {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.site-footer {
  border-top: 1px solid var(--ting-border);
  padding: 2rem 0 2.5rem;
  font-size: 0.85rem;
  color: var(--ting-text-subtle);
}

.site-footer a {
  color: var(--ting-text-muted);
}

/* Landing */
.landing-hero {
  padding: 2.5rem 0 1.5rem;
}

.landing-hero__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ting-brand);
  margin-bottom: 0.75rem;
}

.landing-hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  line-height: 1.2;
  font-weight: 700;
  color: var(--ting-text-strong);
  letter-spacing: -0.03em;
}

.landing-hero__lead {
  margin: 0 0 2rem;
  font-size: 1.05rem;
  color: var(--ting-text-muted);
  max-width: 36em;
}

.card-grid {
  display: grid;
  gap: 1rem;
  margin: 0 0 2.5rem;
}

@media (min-width: 540px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  display: block;
  padding: 1.25rem 1.35rem;
  background: var(--ting-surface);
  border: 1px solid var(--ting-border);
  border-radius: var(--ting-radius);
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.card:hover {
  border-color: rgba(167, 139, 250, 0.35);
  background: var(--ting-tint);
  text-decoration: none;
}

.card__title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ting-text-strong);
}

.card__desc {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ting-text-muted);
  line-height: 1.5;
}

.contact-block {
  padding: 1.25rem 1.35rem;
  background: rgba(30, 28, 50, 0.6);
  border: 1px solid var(--ting-border);
  border-radius: var(--ting-radius);
}

.contact-block h2 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ting-text-strong);
}

.contact-block ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-block li + li {
  margin-top: 0.35rem;
}

/* Legal document pages */
.legal-doc header.doc-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--ting-border);
}

.legal-doc h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.4rem, 4vw, 1.75rem);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ting-text-strong);
  letter-spacing: -0.02em;
}

.doc-meta {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ting-text-muted);
}

.doc-meta strong {
  color: var(--ting-text);
  font-weight: 600;
}

.legal-doc h2 {
  margin: 2.25rem 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ting-text-strong);
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--ting-border-strong);
}

.legal-doc h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ting-text);
}

.legal-doc p {
  margin: 0.75rem 0;
}

.legal-doc ul,
.legal-doc ol {
  margin: 0.75rem 0;
  padding-left: 1.35rem;
}

.legal-doc li + li {
  margin-top: 0.35rem;
}

.legal-doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 1rem 0;
  overflow-x: auto;
  display: block;
}

@media (min-width: 480px) {
  .legal-doc table {
    display: table;
  }
}

.legal-doc th,
.legal-doc td {
  border: 1px solid var(--ting-border-strong);
  padding: 0.55rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.legal-doc th {
  background: rgba(42, 39, 72, 0.6);
  color: var(--ting-text-strong);
  font-weight: 600;
}

.legal-doc code {
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  font-size: 0.85em;
  padding: 0.1em 0.35em;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 4px;
  color: var(--ting-brand-accent);
}

.legal-doc .doc-note {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--ting-border);
  font-size: 0.85rem;
  color: var(--ting-text-subtle);
  font-style: italic;
}

.lang-switch {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--ting-text-subtle);
}

.lang-switch span {
  color: var(--ting-text-muted);
}