@charset "UTF-8";

:root {
  --ink: #242723;
  --body: #555c51;      /* body copy, 6.3:1 on paper */
  --muted: #5f655a;     /* small labels, 5.6:1 on paper */
  --soft: #8a8f84;      /* large display text only (3.2:1) */
  --accent: #e8474f;
  --accent-ink: #c4303a; /* accent used as small text, 4.6:1 on paper */
  --paper: #faf8f4;
  --panel: #eeefea;
  --line: #e2e3dc;
  --width: 1180px;
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); word-break: keep-all; overflow-wrap: anywhere; -webkit-text-size-adjust: 100%; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, dl, dd { margin-top: 0; }
a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; border-radius: 3px; }
::selection { background: #f8ccd0; color: var(--ink); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: fixed; z-index: 20; left: 16px; top: -80px; padding: 14px 18px; background: var(--ink); color: #fff; font-size: 14px; }
.skip:focus { top: 16px; }
.content-width { max-width: var(--width); margin-inline: auto; width: calc(100% - 96px); }
.eyebrow { font-size: 11px; font-weight: 700; letter-spacing: .16em; line-height: 1.5; margin: 0 0 22px; color: var(--muted); }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }

/* header */
.site-header { height: 84px; padding: 0 48px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 760; letter-spacing: -.05em; }
.brand img { border-radius: 8px; }
.site-header nav { display: flex; gap: 30px; font-size: 14px; font-weight: 600; }
.site-header nav a { padding-block: 14px; }
.site-header nav a:hover, .site-footer nav a:hover { color: var(--accent-ink); }

/* hero */
.hero { overflow: hidden; }
.hero-inner { max-width: var(--width); width: calc(100% - 96px); min-height: 700px; margin: auto; display: grid; grid-template-columns: 1.25fr .75fr; gap: 6%; align-items: center; padding-block: 48px 64px; }
.wordmark { font-size: clamp(88px, 10.6vw, 148px); line-height: .94; font-weight: 850; letter-spacing: -.085em; margin: 0 0 32px; }
.wordmark .dot { color: var(--accent); }
h1 { font-size: clamp(30px, 3.35vw, 45px); line-height: 1.28; letter-spacing: -.055em; font-weight: 720; margin-bottom: 22px; }
.hero-description { font-size: 17px; line-height: 1.75; letter-spacing: -.025em; color: var(--body); margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 40px; border-radius: 3px; background: var(--ink); color: #fff; min-height: 52px; padding: 0 21px; font-size: 15px; font-weight: 650; transition: background .2s; }
.button:hover { background: #42473d; }
.button span, .text-link span { display: inline-block; transition: transform .22s; }
.button:hover span { transform: translate(3px, 3px); }
.release-note { display: flex; align-items: center; gap: 8px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }

/* phone mock (decorative; described by the phone's aria-label) */
.app-figure { margin: 0; justify-self: end; width: 320px; max-width: 100%; }
.phone { border: 6px solid #252823; border-radius: 40px; overflow: hidden; background: var(--paper); box-shadow: 14px 22px 0 #e8e7df; }
.phone-screen { padding: 12px 14px 0; }
.mock-status { display: flex; align-items: center; justify-content: space-between; padding: 0 10px 8px; font-size: 12px; font-weight: 700; }
.mock-signal { display: flex; align-items: flex-end; gap: 2px; height: 10px; }
.mock-signal i { width: 3px; background: var(--ink); border-radius: 1px; }
.mock-signal i:nth-child(1) { height: 5px; } .mock-signal i:nth-child(2) { height: 7px; } .mock-signal i:nth-child(3) { height: 10px; }
.mock-bar { display: flex; align-items: center; justify-content: space-between; margin: 4px 4px 8px; }
.mock-headline { margin: 0 4px 10px; font-size: 12px; font-weight: 650; line-height: 1.45; letter-spacing: -.02em; }
.mock-disclaimer { margin: 10px 4px 0; font-size: 9.5px; line-height: 1.5; color: var(--muted); }
.mock-tabs { display: grid; grid-template-columns: repeat(4, 1fr); margin: 12px -14px 0; padding: 10px 6px 16px; border-top: 1px solid var(--line); background: #fff; }
.mock-tabs span { text-align: center; font-size: 10px; font-weight: 600; color: var(--muted); }
.mock-tabs .on { color: var(--accent-ink); font-weight: 750; }
.mock-logo { font-size: 19px; font-weight: 850; letter-spacing: -.07em; }
.mock-logo i { font-style: normal; color: var(--accent); }
.mock-chip { font-size: 10px; font-weight: 700; padding: 4px 8px; border-radius: 999px; background: var(--ink); color: #fff; }
.split { border: 1.5px dashed #b7b9b0; border-radius: 18px; padding: 8px; background: #fff; }
.panel { display: grid; grid-template-columns: 88px 1fr; gap: 10px; align-items: center; padding: 4px; }
.panel img { width: 88px; height: 88px; object-fit: cover; border-radius: 12px; background: var(--panel); }
.panel-text p { margin: 0; }
.panel-label { font-size: 10px; font-weight: 650; color: var(--muted); line-height: 1.4; margin-bottom: 3px; }
.panel-label.twin { color: var(--accent-ink); }
.panel-title { font-size: 12.5px; font-weight: 650; line-height: 1.35; letter-spacing: -.03em; }
.panel-price { font-size: 15px; font-weight: 780; letter-spacing: -.03em; margin-top: 3px !important; }
.saving { margin: 6px 4px; padding: 7px 10px; border-radius: 10px; background: #fdecec; color: var(--accent-ink); font-size: 11.5px; font-weight: 700; text-align: center; }
.mock-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 12px; }
.mock-actions span { display: flex; align-items: center; justify-content: center; min-height: 38px; border-radius: 12px; border: 1px solid var(--line); background: #fff; font-size: 12px; font-weight: 650; }
.mock-actions .primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.app-figure figcaption { font-size: 12px; line-height: 1.6; color: var(--muted); margin-top: 30px; text-align: center; }

/* intro */
.intro { padding-block: 120px 116px; border-top: 1px solid var(--line); }
h2 { font-size: clamp(32px, 4.2vw, 54px); line-height: 1.22; letter-spacing: -.06em; font-weight: 710; margin-bottom: 27px; }
.muted { color: var(--soft); }
.intro > p:last-child { font-size: 17px; line-height: 1.85; letter-spacing: -.025em; margin-bottom: 0; color: var(--body); }

/* how / notice share the two-column layout */
.how, .notice { padding-bottom: 120px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 9%; }
.section-heading h2 { font-size: 37px; line-height: 1.35; }
.steps { list-style: none; margin: 0; padding: 0; }
.steps li { display: flex; gap: 23px; padding: 28px 0 31px; border-top: 1px solid var(--line); }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.step-number { font-size: 12px; color: var(--accent-ink); letter-spacing: .04em; font-weight: 700; padding-top: 6px; }
.steps h3 { font-size: 22px; letter-spacing: -.04em; line-height: 1.4; margin: 0 0 10px; font-weight: 650; }
.steps p { font-size: 15px; line-height: 1.8; letter-spacing: -.02em; color: var(--body); margin-bottom: 0; }

.perspective { background: var(--panel); padding: 94px 0 102px; margin-bottom: 120px; }
.perspective-inner { padding-left: 16%; }
.perspective h2 { font-size: clamp(34px, 4vw, 50px); }
.perspective p:not(.eyebrow) { max-width: 560px; font-size: 16px; line-height: 1.85; color: var(--body); margin-bottom: 24px; }
.text-link { display: inline-flex; align-items: center; gap: 36px; font-size: 14px; font-weight: 650; border-bottom: 1px solid #a9ada3; padding-block: 10px; }
.text-link:hover span { transform: translateX(3px); }

.facts { margin: 0; border-top: 1px solid var(--line); }
.facts > div { padding: 24px 0 26px; border-bottom: 1px solid var(--line); }
.facts dt { font-size: 18px; font-weight: 650; letter-spacing: -.035em; line-height: 1.45; margin-bottom: 8px; }
.facts dd { margin: 0; font-size: 15px; line-height: 1.8; color: var(--body); }
.facts q { display: block; margin: 12px 0; padding: 14px 16px; border-left: 3px solid var(--accent); background: #fff; color: var(--ink); quotes: none; }
.mail { font-weight: 650; border-bottom: 1px solid #a9ada3; padding-bottom: 2px; }

/* release + faq */
.release { padding: 112px 0; border-top: 1px solid var(--line); }
.release-top { text-align: center; }
.release-top > img { border-radius: 20px; margin: 0 auto 25px; }
.release-top .eyebrow { margin-bottom: 18px; }
.release h2 { font-size: clamp(32px, 3.6vw, 43px); }
.release-body { font-size: 16px; line-height: 1.8; color: var(--body); }
.release-label { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 650; margin-top: 6px; }
.faq { max-width: 720px; margin: 64px auto 0; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 17px; letter-spacing: -.03em; font-weight: 600; }
summary::-webkit-details-marker { display: none; }
summary > span { font-size: 22px; color: var(--muted); font-weight: 400; transition: transform .2s; }
details[open] summary > span { transform: rotate(45deg); }
details p { font-size: 15px; color: var(--body); line-height: 1.8; margin: 0; padding: 0 44px 25px 0; }

/* footer */
.site-footer { padding-block: 36px 40px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 18px 22px; }
.footer-brand { font-size: 23px; font-weight: 750; letter-spacing: -.05em; }
.footer-brand span { font-size: 12px; letter-spacing: .04em; margin-left: 10px; }
.site-footer nav { display: flex; gap: 26px; font-size: 13px; color: var(--muted); }
.site-footer nav a { padding-block: 12px; }
.site-footer > p, .site-footer .biz { grid-column: 1 / -1; font-size: 12px; color: var(--muted); line-height: 1.7; margin: 0; }
.site-footer .biz { font-style: normal; }
.site-footer .biz a { border-bottom: 1px solid #a9ada3; }

/* document pages (service, privacy, 404) */
.document { max-width: 780px; width: calc(100% - 48px); margin: 70px auto 100px; }
.document h1 { font-size: 44px; margin-bottom: 18px; }
.document .lead { font-size: 18px; line-height: 1.75; color: var(--body); }
.document .date { font-size: 13px; color: var(--muted); line-height: 1.6; padding-bottom: 35px; border-bottom: 1px solid var(--line); }
.document section { margin-top: 40px; }
.document h2 { font-size: 23px; line-height: 1.45; letter-spacing: -.035em; margin-bottom: 13px; }
.document section p, .document li { font-size: 16px; line-height: 1.85; color: var(--body); }
.document ul { padding-left: 21px; }
.document q { display: block; margin: 12px 0; padding: 14px 16px; border-left: 3px solid var(--accent); background: #fff; color: var(--ink); quotes: none; }
.document a:not(.text-link) { border-bottom: 1px solid #a9ada3; }
.document .text-link { margin-top: 32px; }

/* motion */
.js .enter { animation: enter .65s both; animation-delay: calc(var(--i, 0) * 70ms); }
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s, transform .65s; }
.js .reveal.is-visible { opacity: 1; transform: none; }
@keyframes enter { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

@media (min-width: 1500px) { .hero-inner { min-height: 760px; } }

@media (max-width: 980px) {
  .site-header { padding: 0 32px; }
  .content-width, .hero-inner { width: calc(100% - 64px); }
  .hero-inner { grid-template-columns: 1fr 300px; gap: 5%; min-height: 0; }
  .wordmark { font-size: 11.6vw; }
  .how, .notice { gap: 5%; grid-template-columns: .8fr 1.2fr; }
  .section-heading h2 { font-size: 31px; }
  .steps h3 { font-size: 20px; }
  .perspective-inner { padding-left: 8%; }
  .desktop-break { display: none; }
}

@media (max-width: 720px) {
  :root { scroll-padding-top: 16px; }
  .content-width, .hero-inner { width: calc(100% - 32px); }
  .site-header { height: 64px; padding: 0 16px; }
  .brand { font-size: 19px; gap: 8px; }
  .brand img { width: 28px; height: 28px; border-radius: 7px; }
  .site-header nav { gap: 14px; font-size: 13px; }
  .site-header nav a:first-child { display: none; }
  .hero-inner { display: block; padding: 36px 0 56px; }
  .wordmark { font-size: clamp(76px, 22vw, 120px); margin-bottom: 14px; line-height: 1; }
  h1 { font-size: clamp(28px, 8vw, 40px); margin-bottom: 14px; }
  .hero-description { font-size: 16px; margin-bottom: 24px; }
  .hero-description br { display: none; }
  .app-figure { margin: 48px auto 0; width: min(320px, 100%); justify-self: center; }
  .phone { border-width: 5px; border-radius: 34px; box-shadow: 8px 12px 0 #e8e7df; }
  .intro { padding-block: 76px 72px; }
  h2 { font-size: 32px; margin-bottom: 20px; }
  .intro > p:last-child { font-size: 16px; }
  .how, .notice { display: block; padding-bottom: 76px; }
  .section-heading h2 { font-size: 30px; line-height: 1.32; }
  .steps, .facts { margin-top: 32px; }
  .steps li { padding: 22px 0; gap: 16px; }
  .steps h3 { font-size: 19px; }
  .steps p, .facts dd { font-size: 15px; }
  .facts dt { font-size: 17px; }
  .perspective { padding: 68px 0 72px; margin-bottom: 76px; }
  .perspective-inner { padding-left: 0; }
  .perspective h2 { font-size: 32px; }
  .perspective p:not(.eyebrow) { font-size: 15px; }
  .release { padding: 72px 0 64px; }
  .release-top > img { width: 61px; border-radius: 16px; }
  .release h2 { font-size: 30px; }
  .release-body { font-size: 15px; }
  .release-body br { display: none; }
  .faq { margin-top: 44px; }
  summary { font-size: 16px; min-height: 64px; }
  details p { font-size: 15px; padding-right: 8px; }
  .site-footer { display: block; padding-block: 28px 32px; }
  .site-footer nav { flex-wrap: wrap; gap: 4px 20px; margin: 10px 0 12px; }
  .document { margin-top: 44px; width: calc(100% - 32px); }
  .document h1 { font-size: 34px; }
  .document .lead { font-size: 17px; }
  .document h2 { font-size: 21px; }
  .document section p, .document li { font-size: 15px; }
}

@media print {
  .js .reveal, .js .enter { opacity: 1 !important; transform: none !important; animation: none !important; }
  .skip, .site-header nav { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}
