/* ============================================================
   cos:mura  ―  Korean Brand POP-UP / promo microsite
   Standalone design (independent from the OKTA corporate site)
   Mobile-first → 768px → 1100px
   ============================================================ */

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

:root {
  /* palette — soft K-beauty editorial */
  --cream:     #FBF6F1;
  --cream-2:   #F4EBE3;
  --blush:     #F7E7E6;
  --ink:       #2A2422;
  --ink-soft:  #786B62;
  --rose:      #D2697E;   /* signature accent */
  --rose-deep: #B14C63;
  --gold:      #C2A56B;
  --line:      #EADFD6;
  --white:     #FFFFFF;

  --radius:   16px;
  --radius-lg:26px;
  --radius-pill:999px;

  --shadow-sm: 0 6px 20px rgba(120, 80, 70, .08);
  --shadow-md: 0 16px 44px rgba(120, 80, 70, .14);

  --container: 1120px;

  --s1:4px; --s2:8px; --s3:16px; --s4:24px; --s5:32px; --s6:48px; --s7:72px; --s8:104px;
}

body {
  margin: 0;
  font-family: "Noto Sans KR","Noto Sans JP",system-ui,-apple-system,sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.85;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul,ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

.serif {
  font-family: "Noto Serif KR","Noto Serif JP",serif;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--s4);
}

.eyebrow {
  display: inline-block;
  margin: 0 0 var(--s3);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--rose);
}
.section-title {
  font-family: "Noto Serif KR","Noto Serif JP",serif;
  margin: 0 0 var(--s3);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
  letter-spacing: .01em;
}
.section-lead {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
}

.section { padding-block: var(--s7); }
.section-head { margin-bottom: var(--s6); max-width: 720px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  font-weight: 700; font-size: .92rem; line-height: 1;
  letter-spacing: .02em;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary { background: var(--rose); color: #fff; box-shadow: 0 10px 24px rgba(210,105,126,.32); }
.btn-primary:hover { background: var(--rose-deep); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(177,76,99,.36); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid rgba(42,36,34,.28); }
.btn-ghost:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.btn-block { width: 100%; }
.btn-light { background: rgba(255,255,255,.92); color: var(--ink); }
.btn-light:hover { background: #fff; transform: translateY(-2px); }
.btn-outline-light { border: 1.5px solid rgba(255,255,255,.7); color: #fff; }
.btn-outline-light:hover { background: #fff; color: var(--ink); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,246,241,.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(42,36,34,.07);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.wordmark {
  display: flex; align-items: baseline; gap: 12px;
}
.wordmark .mark {
  font-family: "Noto Serif KR",serif;
  font-size: 1.4rem; font-weight: 700; letter-spacing: .01em; color: var(--ink);
}
.wordmark .mark i { color: var(--rose); font-style: normal; }
.wordmark .sub {
  display: none;
  font-size: .72rem; color: var(--ink-soft); letter-spacing: .04em;
}
.header-nav { display: none; align-items: center; gap: var(--s5); }
.header-nav a { font-size: .85rem; font-weight: 500; color: var(--ink); letter-spacing: .03em; }
.header-nav a:hover { color: var(--rose); }
.header-actions { display: flex; align-items: center; gap: var(--s3); }
.lang-switch { display: flex; gap: 6px; }
.lang {
  padding: 5px 11px; border-radius: var(--radius-pill);
  border: 1px solid rgba(42,36,34,.18);
  font-size: .72rem; font-weight: 700; color: var(--ink-soft);
}
.lang.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.header-cta { display: none; }

@media (min-width: 768px) {
  .wordmark .sub { display: inline; }
  .header-nav { display: flex; }
  .header-cta { display: inline-flex; padding: 11px 22px; font-size: .82rem; }
}
@media (min-width: 1100px) {
  .header-nav { gap: var(--s6); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex; align-items: flex-end;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(42,28,30,.10) 0%, rgba(42,24,28,.30) 48%, rgba(40,20,26,.78) 100%),
    url("/images/popup/storefront.jpg");
  background-size: cover;
  background-position: center 42%;
}
.hero-inner { padding-block: var(--s7) var(--s6); }
.hero .eyebrow { color: #FAD9DF; }
.hero h1 {
  font-family: "Noto Serif KR","Noto Serif JP",serif;
  margin: 0 0 var(--s4);
  font-size: 2.15rem; font-weight: 700; line-height: 1.5;
  text-shadow: 0 2px 24px rgba(0,0,0,.28);
  letter-spacing: .01em;
}
.hero p {
  margin: 0 0 var(--s5);
  font-size: 1.02rem; color: rgba(255,255,255,.94);
  max-width: 560px;
  text-shadow: 0 1px 14px rgba(0,0,0,.3);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--s3); }
.hero-tag {
  position: absolute; top: var(--s4); right: var(--s4);
  display: none;
  padding: 8px 16px; border-radius: var(--radius-pill);
  background: rgba(255,255,255,.16); backdrop-filter: blur(6px);
  font-size: .72rem; letter-spacing: .04em; color: #fff;
  border: 1px solid rgba(255,255,255,.3);
}
@media (min-width: 768px) {
  .hero { min-height: 84vh; }
  .hero h1 { font-size: 3.1rem; }
  .hero p { font-size: 1.12rem; }
  .hero-tag { display: inline-block; }
}

/* ---------- Intro ---------- */
.intro { background: var(--cream); }
.intro .lede {
  font-family: "Noto Serif KR","Noto Serif JP",serif;
  font-size: 1.3rem; line-height: 1.85; color: var(--ink);
  max-width: 820px; margin: 0 0 var(--s4); font-weight: 500;
}
.intro p { margin: 0 0 var(--s3); color: var(--ink-soft); max-width: 820px; }
.intro p strong { color: var(--ink); font-weight: 700; }

/* ---------- Stats ---------- */
.stats { background: var(--ink); color: #fff; }
.stats-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--s5);
  text-align: center;
}
.stat .n {
  font-family: "Noto Serif KR",serif;
  display: block; font-size: 2.6rem; font-weight: 700; line-height: 1.1; color: #fff;
}
.stat .n small { font-size: .42em; color: var(--rose); font-weight: 700; margin-left: 4px; }
.stat .l { display: block; margin-top: var(--s2); font-size: .85rem; color: rgba(255,255,255,.72); }
.stat + .stat { border-top: 1px solid rgba(255,255,255,.12); padding-top: var(--s5); }
@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(3,1fr); gap: var(--s4); }
  .stat + .stat { border-top: 0; padding-top: 0; border-left: 1px solid rgba(255,255,255,.12); }
}

/* ---------- Feature (why) ---------- */
.feature { background: var(--cream); }
.feature-grid { display: grid; gap: var(--s6); align-items: center; }
.feature-photo {
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md);
}
.feature-photo img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.why-list { display: grid; gap: var(--s4); }
.why-item { display: flex; gap: var(--s3); }
.why-num {
  flex: 0 0 auto;
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--blush); color: var(--rose-deep);
  font-family: "Noto Serif KR",serif; font-weight: 700; font-size: .95rem;
}
.why-body h3 { margin: 4px 0 4px; font-size: 1.05rem; font-weight: 700; color: var(--ink); }
.why-body p { margin: 0; font-size: .92rem; color: var(--ink-soft); }
@media (min-width: 900px) {
  .feature-grid { grid-template-columns: 1.05fr .95fr; }
}

/* ---------- Plans ---------- */
.plans { background: var(--cream-2); }
.plans-grid { display: grid; gap: var(--s4); }
.plans-grid.single { grid-template-columns: 1fr; max-width: 540px; margin-inline: auto; }
.plan {
  position: relative; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--s6) var(--s4) var(--s5);
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease;
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.plan.featured { border: 1.5px solid var(--rose); }
.plan-badge {
  position: absolute; top: -14px; left: var(--s4);
  padding: 6px 16px; border-radius: var(--radius-pill);
  background: var(--rose); color: #fff;
  font-size: .72rem; font-weight: 700; letter-spacing: .04em;
}
.plan.featured .plan-badge { background: var(--rose); }
.plan:not(.featured) .plan-badge { background: var(--ink); }
.plan-name {
  font-family: "Noto Serif KR",serif;
  margin: 0 0 var(--s2); font-size: 1.35rem; font-weight: 700; color: var(--ink);
}
.plan-desc {
  margin: 0 0 var(--s4); padding-bottom: var(--s4);
  border-bottom: 1px solid var(--line);
  font-size: .95rem; color: var(--rose-deep); font-weight: 600; line-height: 1.6;
}
.plan-feat { display: grid; gap: var(--s2); }
.plan-feat li { position: relative; padding-left: 24px; font-size: .9rem; color: var(--ink); }
.plan-feat li::before {
  content: ""; position: absolute; left: 4px; top: 10px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--rose);
}
.plans-note { margin: var(--s5) 0 0; font-size: .85rem; color: var(--ink-soft); }
.plans-note strong { color: var(--rose-deep); }
@media (min-width: 768px) {
  .plans-grid { grid-template-columns: repeat(3,1fr); align-items: start; }
}

/* ---------- Download (gated) ---------- */
.download { background: var(--blush); }
.dl-grid { display: grid; gap: var(--s6); align-items: start; }
.dl-text .section-title { font-size: 1.55rem; }
.dl-text p { color: var(--ink-soft); margin: 0 0 var(--s3); }
.dl-text .dl-note { font-size: .82rem; color: var(--ink-soft); opacity: .9; }
.dl-card {
  background: #fff; border-radius: var(--radius-lg);
  padding: var(--s6) var(--s4); box-shadow: var(--shadow-md);
}
.dl-form { display: grid; gap: var(--s3); }
.dl-form[hidden], .dl-success[hidden] { display: none; }
.dl-form label { display: grid; gap: 6px; font-size: .82rem; font-weight: 700; color: var(--ink); }
.dl-form em { color: var(--rose); font-style: normal; }
.dl-form input, .dl-form select, .dl-form textarea {
  width: 100%; padding: 13px 15px;
  border: 1px solid var(--line); border-radius: 12px;
  font: inherit; background: var(--cream); color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.dl-form textarea { resize: vertical; min-height: 96px; }
.dl-form input::placeholder, .dl-form textarea::placeholder { color: #b8a99e; }
.dl-form input:focus, .dl-form select:focus, .dl-form textarea:focus {
  outline: none; background: #fff; border-color: var(--rose);
  box-shadow: 0 0 0 3px rgba(210,105,126,.15);
}
.dl-form .btn { margin-top: var(--s2); }
.dl-success { text-align: center; }
.dl-success-msg {
  margin: 0 0 var(--s4); font-size: 1.05rem; font-weight: 700; color: var(--rose-deep);
  font-family: "Noto Serif KR",serif;
}
.dl-success-actions { display: grid; gap: var(--s3); }
@media (min-width: 900px) {
  .dl-grid { grid-template-columns: 1fr 1.05fr; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.78); }
.footer-grid { display: grid; gap: var(--s5); padding-block: var(--s7) var(--s5); }
.footer-brand .mark {
  font-family: "Noto Serif KR",serif; font-size: 1.5rem; font-weight: 700; color: #fff;
}
.footer-brand .mark i { color: var(--rose); font-style: normal; }
.footer-brand p { margin: var(--s2) 0 0; font-size: .85rem; color: rgba(255,255,255,.66); }
.footer-info dt { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--rose); margin-top: var(--s3); }
.footer-info dd { margin: 4px 0 0; font-size: .9rem; color: rgba(255,255,255,.82); }
.footer-info a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.footer-okta {
  font-size: .82rem; color: rgba(255,255,255,.6);
}
.footer-okta a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-block: var(--s4);
  font-size: .75rem; color: rgba(255,255,255,.5);
  display: flex; flex-wrap: wrap; gap: var(--s3); justify-content: space-between; align-items: center;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s6); }
}

@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { transition: none !important; scroll-behavior: auto !important; }
}