/* ============================================================
   Kew Chloe — main.css
   Static marketing site. Single stylesheet for all pages.
   Sections: 1 tokens · 2 base · 3 layout · 4 header · 5 buttons
             6 type · 7 shots · 8 cards · 9 home · 10 product
             11 applications · 12 pricing · 13 footer · 14 responsive
   ============================================================ */

/* ── 1. tokens ─────────────────────────────────────────────── */
:root {
  --bg:            #FBFAF5;
  --surface:       #F7F4EC;
  --white:         #FFFFFF;

  --ink:           #34394C;
  --ink-strong:    #2E3446;
  --ink-soft:      #5D6274;
  --muted:         #787C8C;
  --muted-warm:    #9A8E78;

  --line:          #E8E4D9;
  --line-soft:     #ECE7DA;
  --line-field:    #E1DCCE;
  --line-shot:     #E6E1D2;

  --gold:          #C6A65E;
  --gold-ink:      #8A7A3F;
  --gold-deep:     #6E5F2E;
  --gold-soft:     #EDE6D4;
  --gold-bright:   #E8C97A;
  --gold-hover-bg: #EAE4D6;

  --green:         #5E7B52;
  --green-soft:    #E4EADD;
  --slate:         #4E5670;
  --slate-soft:    #E3E6EE;
  --plum:          #6E6789;
  --plum-soft:     #EEEBE1;

  --dark:          #1F232E;
  --dark-alt:      #283245;
  --dark-line:     #313846;
  --dark-shot:     #171B26;
  --dark-shot-line:#2A2F3D;
  --on-dark:       #F5F2EA;
  --on-dark-soft:  #BFC2CE;
  --on-dark-mute:  #9EA2B2;

  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 11px;

  --wrap:        1240px;
  --wrap-narrow: 1180px;
  --gutter:      34px;

  --font: 'Jost', system-ui, -apple-system, 'Segoe UI', 'Noto Sans KR', sans-serif;
}

/* ── 2. base ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: var(--gold-ink); text-decoration: none; }
a:hover { color: var(--gold-deep); }

button, input, select { font-family: inherit; }

h1, h2, h3, h4, p, blockquote, figure { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-radius: 4px; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb {
  background: #DAD3C2; border-radius: 8px; border: 2px solid var(--bg);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ── 3. layout ─────────────────────────────────────────────── */
.wrap        { max-width: var(--wrap);        margin: 0 auto; padding-inline: var(--gutter); }
.wrap--narrow{ max-width: var(--wrap-narrow); margin: 0 auto; padding-inline: var(--gutter); }

.section        { padding-block: 80px; }
.section--hero  { padding-block: 80px 0; }
.section--tight { padding-block: 20px 64px; }
.section--last  { padding-block: 40px 100px; }
.band           { background: var(--white); }
.band--dark     { background: var(--dark-alt); color: #EDEAE0; }

/* ── 4. header ─────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 250, 245, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header__inner {
  max-width: var(--wrap); margin: 0 auto;
  padding: 15px var(--gutter);
  display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 600; }
.brand:hover { color: var(--ink); }
.brand__mark {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--ink); color: #F7F4EC;
  font-size: 14px; display: grid; place-items: center;
}
.brand__name { font-size: 17px; letter-spacing: -.01em; }

.nav { display: flex; align-items: center; gap: 5px; margin-left: 8px; }
.nav__link {
  font-size: 13.5px; font-weight: 500; color: var(--muted);
  padding: 7px 13px; border-radius: 9px;
}
.nav__link:hover { color: var(--ink); background: var(--gold-hover-bg); }
.nav__link.is-active { color: var(--ink); background: var(--gold-hover-bg); }

.site-header__spacer { flex: 1; }
.site-header__signin { font-size: 13.5px; font-weight: 500; color: var(--muted); padding: 8px 6px; }
.site-header__signin:hover { color: var(--ink); }

.nav-toggle {
  display: none; width: 38px; height: 38px; padding: 0;
  background: transparent; border: 1px solid var(--line-field);
  border-radius: 10px; cursor: pointer; color: var(--ink);
  align-items: center; justify-content: center;
}

/* ── 5. buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 15px; font-weight: 500; line-height: 1; white-space: nowrap;
  padding: 13px 32px; border-radius: 24px;
  border: 1px solid transparent; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.btn--primary { background: var(--ink);  color: #fff; }
.btn--primary:hover { background: #454B63; color: #fff; }
.btn--light   { background: var(--on-dark); color: var(--ink); }
.btn--light:hover { background: #fff; color: var(--ink); }
.btn--ghost   { background: var(--white); color: var(--ink); border-color: var(--line-field); }
.btn--ghost:hover { border-color: var(--gold); color: var(--ink); }
.btn--on-dark { background: transparent; color: #E6DFCF; border-color: #565D74; }
.btn--on-dark:hover { border-color: var(--gold); color: #fff; }
.btn--sm { font-size: 13.5px; padding: 10px 18px; border-radius: 20px; }
.btn--block { display: flex; width: 100%; padding: 11px 0; font-size: 14.5px; border-radius: 22px; }

.arrow-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13.5px; font-weight: 500; color: var(--gold-ink);
}

/* ── 6. type ───────────────────────────────────────────────── */
.eyebrow {
  font-size: 11px; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted-warm); margin-bottom: 12px;
}
.display   { font-size: 66px; font-weight: 600; letter-spacing: -.03em; line-height: 1.02; color: var(--ink-strong); }
.page-title{ font-size: 50px; font-weight: 600; letter-spacing: -.03em; line-height: 1.08; color: var(--ink-strong); }
.h2        { font-size: 38px; font-weight: 600; letter-spacing: -.02em; line-height: 1.1;  color: var(--ink-strong); }
.h3        { font-size: 32px; font-weight: 600; letter-spacing: -.02em; line-height: 1.16; color: var(--ink-strong); }
/* page-level variants — must stay in CSS so the breakpoints below can win */
.page-title--product { font-size: 52px; }
.panel__head .h3     { font-size: 30px; }

.lead      { font-size: 19px; line-height: 1.5;  color: var(--ink-soft); text-wrap: pretty; }
.lead--sm  { font-size: 18px; line-height: 1.55; }
.body      { font-size: 16.5px; line-height: 1.6; color: var(--muted); text-wrap: pretty; }
.body--tall{ line-height: 1.7; color: var(--ink-soft); }

.measure-hero { max-width: 780px; }
.measure-540  { max-width: 540px; }
.measure-560  { max-width: 560px; }
.measure-640  { max-width: 640px; }
.measure-680  { max-width: 680px; }
.measure-720  { max-width: 720px; }

.quote-block { max-width: 1000px; margin: 0 auto; text-align: center; padding-block: 88px; }
.quote-mark  { fill: var(--gold); opacity: .9; margin: 0 auto 26px; }
.quote {
  font-size: 34px; line-height: 1.32; font-weight: 400;
  letter-spacing: -.01em; color: var(--ink-strong); text-wrap: pretty;
}
.quote--sm { font-size: 30px; }
.quote-attrib {
  margin-top: 22px; font-size: 13.5px; font-weight: 500;
  letter-spacing: .04em; color: var(--gold-ink);
}
.quote-body { margin: 38px auto 0; max-width: 600px; }

/* ── 7. product shots ──────────────────────────────────────── */
.shot {
  overflow: hidden; border: 1px solid var(--line-shot);
  border-radius: var(--radius-md); background: #FCFBF7;
}
/* hero shot: cropped at the bottom edge, Linear/Cursor style */
.shot--crop {
  max-height: 470px; border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.shot--dark { background: var(--dark-shot); border-color: var(--dark-shot-line); }
/* dark-UI screenshots are produced from light captures — see guide §6 */
.shot--invert img { filter: invert(1) hue-rotate(180deg) saturate(.92); }

/* ── 8. cards & atoms ──────────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 26px;
  display: flex; flex-direction: column;
}
.card--white { background: var(--white); }
.card--link  { color: inherit; transition: border-color .15s, transform .15s; }
.card--link:hover { border-color: var(--gold); transform: translateY(-3px); color: inherit; }

.card__icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  display: grid; place-items: center; margin-bottom: 16px;
}
.card__icon--gold  { background: var(--gold-soft);  color: var(--gold-ink); }
.card__icon--green { background: var(--green-soft); color: var(--green); }
.card__icon--slate { background: var(--slate-soft); color: var(--slate); }

.card__title { font-size: 20px; font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.card__title--sm { font-size: 19px; }
.card__text  { margin-top: 9px; font-size: 14.5px; line-height: 1.58; color: var(--muted); text-wrap: pretty; }
.card__text--sm { font-size: 14px; line-height: 1.55; }
.card__meta  { margin-top: auto; padding-top: 22px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card__cta   { margin-top: 18px; display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 500; color: var(--gold-ink); }

.tag { font-size: 11px; font-weight: 500; border-radius: 6px; padding: 4px 9px; }
.tag--draft { background: var(--plum-soft); color: var(--plum); }
.tag--spec  { background: var(--gold-soft); color: var(--gold-ink); }
.tag--slate { background: var(--slate-soft); color: var(--slate); }

.chip { font-size: 11px; font-weight: 500; border-radius: 7px; padding: 5px 10px; }
.chip--plain { color: var(--muted); background: var(--white); border: 1px solid var(--line-field); }
.chip--green { color: var(--green); background: var(--green-soft); }

.avatar {
  width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 10px; font-weight: 600; color: #fff;
}
.avatar--a { background: #C9C1AC; }
.avatar--b { background: #B7BECC; }
.avatar--c { background: var(--ink); color: var(--gold-bright); }
.avatar-note { margin-left: 6px; font-size: 12px; color: var(--muted-warm); }

.section-head {
  display: flex; flex-wrap: wrap; align-items: flex-end;
  justify-content: space-between; gap: 20px; margin-bottom: 40px;
}

/* ── 9. home ───────────────────────────────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
/* first card intentionally sits flush at the bottom (open-ended look) */
.feature-grid .card--flush { padding-bottom: 0; overflow: hidden; }
.feature-grid .card--flush .card__meta { padding-bottom: 28px; }

.showcase {
  margin-top: 26px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 30px 30px 0; overflow: hidden;
}
.showcase__head {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 20px;
  justify-content: space-between; margin-bottom: 24px;
}
.showcase__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.showcase__pane {
  height: 230px; overflow: hidden;
  border: 1px solid var(--dark-shot-line); background: var(--dark-shot);
  border-radius: 12px 12px 0 0;
}

.app-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }

/* featured article (optional — enable when /blog ships) */
.article-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; }
.article-tag {
  display: inline-flex; align-self: flex-start; align-items: center; gap: 7px;
  font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--gold); background: rgba(198,166,94,.14);
  border-radius: 20px; padding: 5px 12px; margin-bottom: 22px;
}
.article-media {
  position: relative; min-height: 340px; border-radius: 16px; overflow: hidden;
  box-shadow: 0 24px 50px -24px rgba(0,0,0,.5);
}
.article-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.article-credit {
  position: absolute; left: 12px; bottom: 9px;
  font-size: 10.5px; color: rgba(255,255,255,.72);
}

.cta { text-align: center; padding: 36px 40px 8px; }
.cta__title { font-size: 40px; font-weight: 600; letter-spacing: -.02em; line-height: 1.12; color: var(--ink-strong); }
.cta__text  { margin: 16px auto 0; max-width: 520px; font-size: 17px; line-height: 1.58; color: var(--muted); text-wrap: pretty; }
.cta__row   { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 32px; }

/* ── 10. product page ──────────────────────────────────────── */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--flip .split__text  { order: 1; }
.split--flip .split__media { order: 2; }

.panel {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 44px 40px; overflow: hidden;
}
.panel__head { max-width: 560px; margin: 0 auto 30px; text-align: center; }
.panel__shot { border: 1px solid var(--dark-shot-line); border-radius: 12px; overflow: hidden; background: var(--dark-shot); }

/* ── 11. applications page ─────────────────────────────────── */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 34px; padding-bottom: 22px; border-bottom: 1px solid var(--line-soft);
}
.pill {
  font-size: 13.5px; font-weight: 500; padding: 8px 16px;
  border: none; border-radius: 20px; background: transparent; color: var(--muted);
  cursor: pointer; transition: background .15s, color .15s;
}
.pill:hover { color: var(--ink); }
.pill[aria-selected="true"] { background: var(--ink); color: var(--on-dark); }

.story-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px 22px; }
.story { display: block; color: inherit; cursor: default; }
.story:hover { color: inherit; }
.story[hidden] { display: none; }
.story__logo {
  height: 190px; border-radius: var(--radius-md); overflow: hidden;
  display: grid; place-items: center;
  font-size: 30px; font-weight: 700; letter-spacing: -.01em; text-align: center;
  padding-inline: 18px;
}
.story__logo--sm { font-size: 28px; }
.story__logo--gold  { background: var(--gold);  color: var(--ink-strong); }
.story__logo--ink   { background: var(--ink);   color: var(--on-dark); }
.story__logo--clay  { background: #B06A54;      color: #F7F1E8; }
.story__logo--green { background: var(--green); color: #F3F6EF; }
.story__logo--slate { background: var(--slate); color: #EDEFF4; }
.story__logo--brass { background: var(--gold-ink); color: #F7F4EC; }
.story__title {
  margin-top: 16px; font-size: 18.5px; font-weight: 600;
  line-height: 1.35; color: var(--ink); text-wrap: pretty;
}
.story__cta { display: none; }
.story:hover .story__title { color: var(--ink); }

/* ── 12. pricing page ──────────────────────────────────────── */
.billing-toggle {
  margin-top: 34px; display: inline-flex; align-items: center; gap: 10px;
  background: #F0EBDC; border-radius: var(--radius-xl); padding: 5px;
}
.billing-toggle .pill { padding: 8px 18px; font-size: 13px; }
.billing-toggle .pill[aria-selected="true"] { border-radius: 20px; }
.billing-toggle__note { margin-left: 7px; font-size: 11px; font-weight: 600; color: var(--green); }

.plan-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.plan {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 28px 24px;
  display: flex; flex-direction: column; position: relative;
}
.plan__name    { font-size: 21px; font-weight: 600; color: var(--ink); }
.plan__tagline { margin-top: 8px; font-size: 13.5px; line-height: 1.5; color: var(--muted-warm); min-height: 38px; }
.plan__price   { margin-top: 16px; display: flex; align-items: baseline; gap: 6px; }
.plan__amount  { font-size: 36px; font-weight: 600; color: var(--ink-strong); letter-spacing: -.02em; }
.plan__unit    { font-size: 13px; color: var(--muted-warm); }
.plan__note    { margin-top: 6px; font-size: 12.5px; color: var(--muted-warm); min-height: 18px; }
.plan__rule    { margin-top: 20px; border-top: 1px solid var(--line); }
.plan__features{ margin-top: 18px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.plan__features li { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; line-height: 1.4; color: var(--ink-soft); }
.plan__features svg { flex: none; margin-top: 1px; stroke: var(--gold-ink); }
.plan .btn--block { margin-top: 26px; }

.plan--featured { background: var(--ink); border-color: var(--ink); }
.plan--featured .plan__name { color: var(--on-dark); }
.plan--featured .plan__tagline,
.plan--featured .plan__unit,
.plan--featured .plan__note { color: var(--on-dark-mute); }
.plan--featured .plan__amount { color: var(--on-dark); }
.plan--featured .plan__rule { border-color: #454B63; }
.plan--featured .plan__features li { color: #C4C7D2; }
.plan--featured .plan__features svg { stroke: var(--gold-bright); }
.plan__badge {
  position: absolute; top: -13px; left: 24px;
  font-size: 10.5px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-strong); background: var(--gold-bright);
  border-radius: 12px; padding: 4px 11px;
}

/* ── 13. footer ────────────────────────────────────────────── */
.site-footer { background: var(--dark); color: #C4C7D2; }
.site-footer__inner { max-width: var(--wrap-narrow); margin: 0 auto; padding: 64px var(--gutter) 40px; }
.site-footer__top {
  display: flex; flex-wrap: wrap; gap: 32px;
  justify-content: space-between; align-items: flex-start;
}
.footer-brand { display: flex; align-items: center; gap: 13px; color: var(--on-dark); font-weight: 600; }
.footer-brand:hover { color: var(--on-dark); }
.footer-brand__mark {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--on-dark); color: var(--dark);
  font-size: 19px; display: grid; place-items: center;
}
.footer-brand__name { font-size: 24px; letter-spacing: -.01em; }

.footer-nav {
  display: flex; flex-direction: column; align-items: flex-end;
  gap: 13px; font-size: 14.5px; font-weight: 500;
}
.footer-nav a { color: #AEB2C0; }
.footer-nav a:hover { color: var(--on-dark); }

.site-footer__bottom {
  margin-top: 52px; padding-top: 22px; border-top: 1px solid var(--dark-line);
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px;
}
.site-footer__copy { font-size: 12.5px; color: #7A8096; }
.site-footer__legal {
  margin-left: auto; display: flex; flex-wrap: wrap;
  align-items: center; gap: 20px; font-size: 12.5px;
}
.site-footer__legal a { color: #8E93A4; }
.site-footer__legal a:hover { color: var(--on-dark); }
.lang-picker { display: inline-flex; align-items: center; gap: 7px; }
.lang-picker select {
  background: #2A303D; color: #C4C7D2; border: 1px solid #3A4152;
  border-radius: 9px; padding: 7px 11px; font-size: 12.5px; cursor: pointer;
}

/* ── 14. responsive ────────────────────────────────────────── */
@media (max-width: 1080px) {
  .plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  :root { --gutter: 22px; }

  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 2px; margin: 0;
    padding: 10px var(--gutter) 16px;
    background: var(--bg); border-bottom: 1px solid var(--line-soft);
  }
  .nav.is-open { display: flex; }
  .nav__link { padding: 12px 13px; font-size: 15px; }
  .nav-toggle { display: flex; order: 3; }
  .site-header__inner { position: relative; gap: 14px; }

  .display    { font-size: 44px; }
  .page-title { font-size: 38px; }
  .h2         { font-size: 30px; }
  .h3, .panel__head .h3 { font-size: 26px; }
  .page-title--product  { font-size: 38px; }
  .quote      { font-size: 26px; }
  .quote--sm  { font-size: 24px; }
  .cta__title { font-size: 30px; }
  .lead       { font-size: 17px; }

  .section        { padding-block: 60px; }
  .section--hero  { padding-block: 56px 0; }
  .section--tight { padding-block: 16px 44px; }
  .section--last  { padding-block: 30px 70px; }
  .quote-block    { padding-block: 64px; }

  .shot--crop { max-height: 235px; }

  .feature-grid   { grid-template-columns: 1fr; }
  .app-grid       { grid-template-columns: 1fr; }
  .showcase       { padding: 22px 22px 0; }
  .showcase__grid { grid-template-columns: 1fr; }
  .article-grid   { grid-template-columns: 1fr; gap: 28px; }
  .split          { grid-template-columns: 1fr; gap: 28px; }
  .split--flip .split__text  { order: 1; }
  .split--flip .split__media { order: 2; }
  .panel          { padding: 28px 22px; }
  .story-grid     { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .site-footer__top { flex-direction: column; align-items: flex-start; }
  .footer-nav { align-items: flex-start; }
  .site-footer__legal { margin-left: 0; }
}

@media (max-width: 640px) {
  .display    { font-size: 36px; }
  .page-title, .page-title--product { font-size: 32px; }
  .plan-grid  { grid-template-columns: 1fr; }
  .story-grid { grid-template-columns: 1fr; }
  .btn        { padding: 12px 24px; }
  .cta        { padding-inline: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}