/* =========================================================================
   PDFMon — brand tokens
   Palette pulled from the app itself: oxblood chrome, warm paper background,
   and the six file-type colours used by the type chips in the library.
   ========================================================================= */

:root {
  --ink: #17110e;
  --ink-2: #4a3f39;
  --muted: #7b6c63;
  --paper: #fbf2ed;
  --paper-2: #fff9f6;
  --card: #ffffff;
  --line: rgba(23, 17, 14, 0.12);
  --line-soft: rgba(23, 17, 14, 0.07);

  --ox: #6e1113;
  --ox-deep: #490b0d;
  --ox-tint: #f6e3e1;

  --pdf: #d6373c;
  --doc: #3a6fd0;
  --xls: #2f9052;
  --ppt: #d97024;
  --txt: #6b6b76;
  --hwp: #5b57c7;

  --display: "Bricolage Grotesque", "Noto Sans KR", system-ui, sans-serif;
  --body: "Instrument Sans", "Noto Sans KR", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1140px;
  --r-lg: 28px;
  --r-md: 16px;
  --r-sm: 10px;
  --shadow: 0 24px 60px -28px rgba(73, 11, 13, 0.38);
}

/* ------------------------------------------------------------------ base */

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--ox);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0;
  text-wrap: balance;
  word-break: keep-all;
  overflow-wrap: break-word;
}

p {
  margin: 0 0 1em;
  word-break: keep-all;
  overflow-wrap: break-word;
}

:focus-visible {
  outline: 3px solid var(--ox);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  width: min(100% - 2.5rem, var(--wrap));
  margin-inline: auto;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.9rem;
}

.lede {
  font-size: 1.08rem;
  color: var(--ink-2);
  max-width: 46ch;
}

.micro {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.mono {
  font-family: var(--mono);
}

/* --------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ox);
  color: #fff;
  border-radius: 999px;
  padding: 0.72rem 1.3rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.16s ease, background 0.16s ease;
}

.btn:hover {
  background: var(--ox-deep);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.86rem;
}

.btn-ghost {
  background: transparent;
  color: inherit;
  border: 1.5px solid currentColor;
}

.btn-ghost:hover {
  background: currentColor;
  color: var(--ox);
  transform: translateY(-1px);
}

.stores {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.6rem 0 0.9rem;
}

.store {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1.15rem 0.6rem 0.95rem;
  border-radius: 14px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  transition: transform 0.16s ease, opacity 0.16s ease;
}

.store:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.store svg {
  width: 24px;
  height: 24px;
  flex: none;
}

.store span {
  display: grid;
  line-height: 1.15;
}

.store i {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.72;
  font-style: normal;
}

.store b {
  font-size: 0.9rem;
  font-weight: 600;
}

/* ---------------------------------------------------------------- header */

.site-head {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(251, 242, 237, 0.86);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}

.head-in {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  height: 62px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ox);
  text-decoration: none;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

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

.mark {
  width: 26px;
  height: 26px;
  flex: none;
}

.head-nav {
  display: flex;
  gap: 1.4rem;
  margin-inline-start: auto;
}

.head-nav a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}

.head-nav a:hover {
  color: var(--ox);
}

.head-side {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.lang {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.lang a {
  color: inherit;
  text-decoration: none;
  letter-spacing: 0.08em;
}

.lang a[aria-current] {
  color: var(--ox);
  font-weight: 700;
}

.lang i {
  opacity: 0.4;
  font-style: normal;
}

/* ------------------------------------------------------------------ hero */

.hero {
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 3.5rem);
  overflow: clip;
}

.hero-in {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.75fr);
  gap: clamp(1.5rem, 5vw, 3.5rem);
  align-items: center;
}

/* Signature: the product is literally named after the formats it opens,
   so the format list is set as the display type of the page. */
.wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.7rem, 7.4vw, 4.9rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin: 0 0 1.1rem;
  word-break: keep-all;
}

.wordmark .fmt {
  animation: rise 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) backwards;
  animation-delay: calc(var(--i) * 60ms);
  display: inline-block;
}

.wordmark .slash {
  color: var(--ink);
  opacity: 0.18;
  padding: 0 0.04em;
}

.fmt-pdf { color: var(--pdf); }
.fmt-doc { color: var(--doc); }
.fmt-xls { color: var(--xls); }
.fmt-ppt { color: var(--ppt); }
.fmt-txt { color: var(--txt); }
.fmt-hwp { color: var(--hwp); }

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(0.28em);
  }
}

.hero-line {
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 0.9rem;
  max-width: 20ch;
}

.hero-line em {
  font-style: normal;
  color: var(--ox);
}

.hero-shot {
  position: relative;
  justify-self: center;
}

.hero-shot::before {
  content: "";
  position: absolute;
  inset: -8% -14% 12%;
  background: radial-gradient(ellipse at 50% 40%, rgba(110, 17, 19, 0.14), transparent 70%);
  z-index: -1;
}

.hero-shot img {
  width: min(320px, 78vw);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
}

/* ----------------------------------------------------------- format strip */

.strip {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0;
  border-block: 1px solid var(--line-soft);
  background: var(--paper-2);
}

.chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0 0 0.9rem;
  padding: 0;
}

.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--line-soft);
}

.chip b {
  font-family: var(--display);
  font-weight: 800;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
}

.chip code {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}

.chip-pdf b { color: var(--pdf); }
.chip-doc b { color: var(--doc); }
.chip-xls b { color: var(--xls); }
.chip-ppt b { color: var(--ppt); }
.chip-txt b { color: var(--txt); }
.chip-hwp b { color: var(--hwp); }

.strip-note {
  margin: 0;
}

/* -------------------------------------------------------------- features */

.features {
  padding: clamp(3rem, 8vw, 6rem) 0;
}

.sec-head {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.sec-head h2 {
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
  margin-bottom: 0.6rem;
}

.feat {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0;
  border-top: 1px solid var(--line-soft);
}

.feat.is-flip .feat-copy {
  order: 2;
}

.feat h3 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 0.7rem;
}

.feat-copy p:last-child {
  color: var(--ink-2);
  max-width: 44ch;
  margin: 0;
}

.feat-shot {
  justify-self: center;
}

.feat-shot img {
  width: min(272px, 72vw);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
}

/* ------------------------------------------------------- document analyse */

.analyse {
  padding: clamp(3rem, 8vw, 6rem) 0;
  background: var(--ink);
  color: var(--paper);
}

.analyse .eyebrow {
  color: rgba(251, 242, 237, 0.55);
}

.analyse .sec-head h2 {
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
}

.analyse .lede {
  color: rgba(251, 242, 237, 0.72);
  max-width: 54ch;
}

.an-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.an-card {
  display: grid;
  gap: 1.2rem;
}

.an-shot img {
  width: 100%;
  max-width: 260px;
  border-radius: 22px;
  box-shadow: 0 26px 60px -28px rgba(0, 0, 0, 0.85);
  margin-inline: auto;
}

.an-copy h3 {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 1.15rem;
  margin-bottom: 0.45rem;
}

.an-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--paper);
  background: var(--ox);
  border-radius: 999px;
  width: 1.55rem;
  height: 1.55rem;
  display: inline-grid;
  place-items: center;
  flex: none;
  align-self: center;
}

.an-copy p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(251, 242, 237, 0.7);
}

.an-foot {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  color: rgba(251, 242, 237, 0.55);
}

/* --------------------------------------------------------- PC ↔ phone */

.pcsync {
  background: var(--card);
  border-block: 1px solid var(--line-soft);
  padding: clamp(3rem, 8vw, 5.5rem) 0;
}

.pc-in {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(1.75rem, 5vw, 4rem);
  align-items: center;
}

.pc-copy h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 0.8rem;
}

.pc-copy .ticks {
  margin-bottom: 0;
}

.pc-figure {
  background: linear-gradient(160deg, var(--paper) 0%, var(--ox-tint) 100%);
  border-radius: var(--r-lg);
  padding: clamp(1rem, 3vw, 1.75rem);
  display: grid;
  gap: 1.25rem;
  justify-items: center;
}

.pc-shot img {
  width: min(230px, 62vw);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.soon {
  display: inline-block;
  margin: 1.4rem 0 0;
  padding: 0.5rem 0.9rem;
  border: 1px dashed var(--line);
  border-radius: 999px;
}

.pc-copy .btn {
  margin-top: 1.4rem;
}

.pc-svg {
  width: 100%;
  height: auto;
  display: block;
}

.pc-node {
  fill: var(--card);
  stroke: var(--ink);
  stroke-width: 2.4;
}

.pc-node .pc-screen {
  fill: rgba(110, 17, 19, 0.1);
  stroke: none;
}

.pc-link {
  fill: none;
  stroke: var(--ox);
  animation: flow 2.4s linear infinite;
}

@keyframes flow {
  to {
    stroke-dashoffset: -32;
  }
}

.pc-lock circle {
  fill: var(--ox);
  stroke: none;
}

.pc-lock path {
  stroke: var(--card);
}

.pc-lock rect {
  fill: var(--card);
}

.pc-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  fill: var(--muted);
}

.pc-label-link {
  fill: var(--ox);
  font-size: 11px;
}

/* ------------------------------------------------- FileShare (Windows app) */

.fileshare {
  padding: clamp(3rem, 8vw, 6rem) 0;
  background: var(--paper-2);
  border-block: 1px solid var(--line-soft);
}

.fs-top {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(1.75rem, 5vw, 3.5rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.fs-intro h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 0.8rem;
}

.fs-dl {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 1rem;
  margin: 1.5rem 0 0;
}

.btn-dl svg {
  width: 18px;
  height: 18px;
}

/* 설치 파일 다운로드는 이 페이지에서 가장 중요한 행동이라
   앱스토어 버튼과 같은 무게로 세운다. */
.btn-dl {
  padding: 0.8rem 1.45rem;
  font-size: 1rem;
}

.fs-file {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  opacity: 0.8;
}

.fs-steps {
  list-style: none;
  counter-reset: fs;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
  max-width: 44ch;
}

.fs-steps li {
  counter-increment: fs;
  display: grid;
  grid-template-columns: 1.7rem 1fr;
  gap: 0.15rem 0.75rem;
  align-items: baseline;
}

.fs-steps li::before {
  content: counter(fs);
  grid-row: 1 / 3;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: #fff;
  background: var(--ox);
  border-radius: 999px;
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  align-self: start;
}

.fs-steps b {
  font-weight: 600;
  font-size: 0.97rem;
}

.fs-steps span {
  grid-column: 2;
  font-size: 0.86rem;
  color: var(--muted);
}

/* Windows 창 스크린샷은 자체 크롬(제목 표시줄)이 있어
   기기 목업 대신 옅은 테두리 + 그림자로만 띄운다. */
.fs-hero {
  margin: 0;
}

.fs-hero img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  box-shadow: 0 22px 50px -26px rgba(73, 11, 13, 0.42);
}

/* 창 캡처는 가로세로비가 제각각이라(넓은 목록 창 ~ 세로로 긴 우클릭 메뉴)
   높이를 고정하고 contain 으로 맞춰야 카드 제목 줄이 나란히 선다. */
.fs-shot img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--line-soft);
  box-shadow: 0 14px 34px -20px rgba(73, 11, 13, 0.5);
}

.fs-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.fs-card {
  display: grid;
  align-content: start;
}

.fs-card h3 {
  font-size: 1.08rem;
  margin: 1rem 0 0.4rem;
}

.fs-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-2);
}

.fs-shot {
  background: var(--paper);
  border-radius: var(--r-md);
  padding: 1rem;
  display: grid;
  place-items: center;
  height: 220px;
  overflow: hidden;
}

/* 세로로 긴 캡처는 위쪽을 보여 주는 편이 내용 파악에 낫다. */
.fs-shot-fs-context img,
.fs-shot-fs-qr img {
  align-self: start;
}

.fs-note {
  margin: clamp(2rem, 4vw, 2.75rem) 0 0;
  max-width: 70ch;
}

/* ---------------------------------------------------------- small things */

.grid {
  padding: clamp(2.5rem, 7vw, 4.5rem) 0;
}

.grid-title {
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  margin-bottom: 1.75rem;
}

.grid-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0 2rem;
}

.grid-list li {
  border-top: 1px solid var(--line-soft);
  padding: 0.9rem 0;
}

.grid-list b {
  display: block;
  font-weight: 600;
  font-size: 0.98rem;
  margin-bottom: 0.15rem;
}

.grid-list span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* --------------------------------------------------------------- privacy */

.privacy {
  background: var(--ox);
  color: #fdf3ef;
  padding: clamp(3rem, 8vw, 5.5rem) 0;
}

.privacy .eyebrow {
  color: rgba(253, 243, 239, 0.66);
}

.privacy h2 {
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  margin-bottom: 0.9rem;
}

.privacy .lede {
  color: rgba(253, 243, 239, 0.86);
}

.privacy-in {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
}

.privacy-shot img {
  width: min(280px, 68vw);
  border-radius: var(--r-lg);
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.6);
  margin-inline: auto;
}

.ticks {
  list-style: none;
  margin: 1.4rem 0 1.8rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  max-width: 46ch;
}

.ticks li {
  position: relative;
  padding-inline-start: 1.6rem;
  font-size: 0.97rem;
}

.pc-copy .ticks li,
.premium .ticks li {
  color: var(--ink-2);
}

.pc-copy .ticks li::before,
.premium .ticks li::before {
  background: var(--ox);
  opacity: 1;
}

.ticks li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.52em;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 3px;
  background: currentColor;
  opacity: 0.55;
}

/* --------------------------------------------------------------- premium */

.premium {
  padding: clamp(3rem, 8vw, 6rem) 0;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line-soft);
}

.premium-in {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
}

.premium h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 0.8rem;
}

.premium .ticks {
  margin-bottom: 0;
}

.price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.15rem 0.7rem;
  margin: 1.4rem 0 0;
}

.price b {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2rem, 4.4vw, 2.9rem);
  letter-spacing: -0.03em;
  color: var(--ox);
  line-height: 1;
}

.price i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.price span {
  flex-basis: 100%;
  font-size: 0.86rem;
  color: var(--ink-2);
}

.premium-shot img {
  width: min(280px, 68vw);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  margin-inline: auto;
}

/* ------------------------------------------------------------------- faq */

.faq {
  padding: clamp(3rem, 8vw, 6rem) 0;
}

.faq h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 1.8rem;
}

.faq-in {
  max-width: 780px;
}

.qa {
  border-top: 1px solid var(--line);
}

.qa:last-child {
  border-bottom: 1px solid var(--line);
}

.qa summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.05rem 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.02rem;
  list-style: none;
}

.qa summary::-webkit-details-marker {
  display: none;
}

.qa summary::after {
  content: "+";
  margin-inline-start: auto;
  font-family: var(--mono);
  font-size: 1.2rem;
  color: var(--ox);
  transition: transform 0.2s ease;
}

.qa[open] summary::after {
  transform: rotate(45deg);
}

.qa-a {
  padding: 0 0 1.15rem;
  max-width: 62ch;
}

.qa-a p {
  margin: 0;
  color: var(--ink-2);
}

/* ------------------------------------------------------------------- cta */

.cta {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(3rem, 8vw, 5rem) 0;
}

.cta-in {
  text-align: center;
  display: grid;
  justify-items: center;
}

.cta h2 {
  font-size: clamp(1.9rem, 4.6vw, 3rem);
  margin-bottom: 0.6rem;
}

.cta .lede {
  color: rgba(251, 242, 237, 0.7);
}

.cta .store {
  background: var(--paper);
  color: var(--ink);
}

/* ---------------------------------------------------------------- footer */

.site-foot {
  background: var(--ox-deep);
  color: rgba(253, 243, 239, 0.82);
  padding: clamp(2.5rem, 6vw, 3.5rem) 0;
}

.foot-in {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem 3rem;
  align-items: start;
}

.site-foot .brand {
  color: #fff;
}

.site-foot .brand span {
  color: #fff;
}

.foot-tag {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  margin: 0.6rem 0 0;
  opacity: 0.6;
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
}

.foot-links a {
  color: inherit;
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  padding-bottom: 1px;
}

.foot-links a:hover {
  color: #fff;
  border-color: #fff;
}

.foot-meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 1.2rem;
  margin-top: 0.6rem;
}

.foot-meta p {
  margin: 0;
  font-size: 0.78rem;
  opacity: 0.62;
}

.site-foot .lang {
  color: rgba(255, 255, 255, 0.7);
}

.site-foot .lang a[aria-current] {
  color: #fff;
}

/* --------------------------------------------------- legal / doc articles */

.art {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 7vw, 5rem);
}

.art-in {
  width: min(100% - 2.5rem, 760px);
}

.art-head {
  padding-bottom: 1.6rem;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 2rem;
}

.art-head h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  margin-bottom: 0.9rem;
}

.art-summary {
  font-size: 1.02rem;
  color: var(--ink-2);
  background: var(--ox-tint);
  border-radius: var(--r-md);
  padding: 1rem 1.15rem;
  margin: 0;
}

.art-lang {
  margin-top: 1rem;
}

.art-toc {
  margin-bottom: 2.5rem;
}

.art-toc ol {
  columns: 2;
  column-gap: 2.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
  font-size: 0.88rem;
}

.art-toc li {
  counter-increment: toc;
  margin-bottom: 0.4rem;
  break-inside: avoid;
  display: flex;
  gap: 0.6rem;
}

.art-toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ox);
  flex: none;
  padding-top: 0.15em;
}

.art-toc a {
  color: var(--ink-2);
  text-decoration: none;
}

.art-toc a:hover {
  color: var(--ox);
  text-decoration: underline;
}

.art-sec {
  margin-bottom: 2.2rem;
  scroll-margin-top: 80px;
}

.art-sec h2 {
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 0.75rem;
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
}

.art-sec .num {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ox);
  flex: none;
}

.art-sec p,
.art-sec li {
  color: var(--ink-2);
  font-size: 0.98rem;
}

.art-sec ul {
  margin: 0 0 1em;
  padding-inline-start: 1.15rem;
}

.art-sec li {
  margin-bottom: 0.4rem;
}

.art-foot {
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
  margin-top: 2.5rem;
}

.art-foot p {
  font-size: 0.78rem;
  color: var(--muted);
}

.art-crosslinks {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  margin: 0;
}

.art-crosslinks a {
  font-size: 0.86rem;
}

/* ---------------------------------------------- embedded WebView (in-app) */

.is-embed .art {
  padding: 1.25rem 0 2.5rem;
}

.is-embed .art-in {
  width: min(100% - 2rem, 720px);
}

.is-embed .art-head h1 {
  font-size: clamp(1.5rem, 6vw, 2rem);
}

.is-embed.is-dark {
  --ink: #f3ece8;
  --ink-2: #cbbdb5;
  --muted: #9c8c83;
  --paper: #17110e;
  --paper-2: #1e1714;
  --card: #221a17;
  --line: rgba(243, 236, 232, 0.16);
  --line-soft: rgba(243, 236, 232, 0.09);
  --ox: #e98d8b;
  --ox-tint: rgba(233, 141, 139, 0.12);
}

.is-embed.is-dark .art-summary {
  color: var(--ink-2);
}

@media (prefers-color-scheme: dark) {
  .is-embed:not(.is-light):not(.is-dark) {
    --ink: #f3ece8;
    --ink-2: #cbbdb5;
    --muted: #9c8c83;
    --paper: #17110e;
    --paper-2: #1e1714;
    --card: #221a17;
    --line: rgba(243, 236, 232, 0.16);
    --line-soft: rgba(243, 236, 232, 0.09);
    --ox: #e98d8b;
    --ox-tint: rgba(233, 141, 139, 0.12);
  }

  .is-embed:not(.is-light):not(.is-dark) .art-summary {
    color: var(--ink-2);
  }
}

/* ---------------------------------------------------------- responsive */

@media (max-width: 900px) {
  .hero-in,
  .feat,
  .privacy-in,
  .premium-in,
  .pc-in {
    grid-template-columns: 1fr;
  }

  .feat.is-flip .feat-copy,
  .premium-shot {
    order: 0;
  }

  .hero-shot,
  .feat-shot,
  .privacy-shot,
  .premium-shot {
    margin-top: 1.5rem;
  }

  .head-nav {
    display: none;
  }

  .head-side {
    margin-inline-start: auto;
  }

  .art-toc ol {
    columns: 1;
  }

  .foot-in {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .stores {
    flex-direction: column;
    align-items: stretch;
  }

  .store {
    justify-content: center;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media print {
  .site-head,
  .site-foot,
  .art-toc,
  .art-lang {
    display: none;
  }

  body {
    background: #fff;
  }
}