/* ============================================================
   Ms.Brow — Snow Lash Salon
   Cool-mist palette · mixed CJK serif/sans · mobile-first
   ============================================================ */

:root {
  --bg: oklch(0.987 0.005 235);
  --bg-elev: oklch(0.995 0.004 235);
  --bg-veil: oklch(0.955 0.013 232);
  --ink: oklch(0.22 0.012 250);
  --ink-soft: oklch(0.42 0.012 248);
  --ink-mute: oklch(0.58 0.012 245);
  --hairline: oklch(0.87 0.010 240);
  --hairline-soft: oklch(0.93 0.007 240);
  --accent: oklch(0.55 0.022 235);

  --font-serif: "Noto Serif TC", "Songti TC", "STSong", serif;
  --font-sans: "Noto Sans TC", "PingFang TC", "Helvetica Neue", sans-serif;
  --font-en-serif: "Cormorant Garamond", "Times New Roman", serif;
  --font-en-sans: "Inter", "Helvetica Neue", sans-serif;

  --title-family: var(--font-serif);
  --body-family: var(--font-sans);
  --num-family: var(--font-en-serif);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--body-family);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "palt" 1;
  letter-spacing: 0.02em;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: clip;
}

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ============================================================
   App shell — mobile-first, capped to 430px
   ============================================================ */
.app {
  position: relative;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--bg);
  overflow: visible;
  isolation: isolate;
}

.app::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 60% at 50% -10%, var(--bg-veil), transparent 60%),
    radial-gradient(80% 40% at 100% 30%, oklch(0.97 0.012 220 / 0.5), transparent 70%),
    radial-gradient(80% 40% at 0% 70%, oklch(0.97 0.010 240 / 0.4), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.app::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='3'/><feColorMatrix values='0 0 0 0 1   0 0 0 0 1   0 0 0 0 1   0 0 0 0.18 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.55'/></svg>");
  background-size: 240px 240px;
  mix-blend-mode: overlay;
  opacity: 0.35;
  pointer-events: none;
  z-index: 1;
}

main {
  position: relative;
  z-index: 2;
}

#snow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* ============================================================
   Sticky topbar — brand logo + nav, both pinned to viewport top
   ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(to bottom, var(--bg) 95%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 12px 24px 10px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  align-items: center;
  gap: 14px;
}
.topbar .brand {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0;
  min-width: 0;
}
.topbar .brand-logo {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 44px;
  height: auto;
  margin: 0;
  user-select: none;
  -webkit-user-drag: none;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0;
  min-width: 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav-btn {
  font-family: var(--title-family);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--ink-mute);
  padding: 6px 2px 8px;
  position: relative;
  white-space: nowrap;
  transition: color 0.4s ease;
}
.nav-btn[aria-current="page"] {
  color: var(--ink);
}
.nav-btn[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 18px;
  height: 1px;
  background: var(--ink);
  transform: translateX(-50%);
  opacity: 0.6;
}
.nav-divider {
  width: 1px;
  height: 16px;
  background: var(--hairline);
}

/* ============================================================
   Brand mark (used inside .topbar)
   ============================================================ */
.brand {
  text-align: center;
  position: relative;
  z-index: 2;
}

/* ============================================================
   Page wrapper
   ============================================================ */
.page {
  padding: 8px 24px 96px;
  animation: fadeIn 0.55s ease both;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-head {
  text-align: center;
  padding: 36px 0 28px;
}
.eyebrow {
  font-family: var(--num-family);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin: 0 0 14px;
}
.page-title {
  font-family: var(--title-family);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: 0.42em;
  color: var(--ink);
  margin: 0;
  padding-left: 0.42em;
}
.page-sub {
  margin: 14px auto 0;
  max-width: 280px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  line-height: 1.9;
}

/* ============================================================
   Price list — premium menu style
   ============================================================ */
.section {
  margin-top: 40px;
}
.section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}
.section-head::before,
.section-head::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline);
}
.section-title {
  font-family: var(--title-family);
  font-size: 14px;
  letter-spacing: 0.5em;
  color: var(--ink);
  font-weight: 400;
  margin: 0;
  padding-left: 0.5em;
  white-space: nowrap;
}
.section-en {
  display: block;
  font-family: var(--num-family);
  font-style: italic;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
  margin-top: 4px;
  text-transform: uppercase;
  text-align: center;
}

.price-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.price-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 14px;
  padding: 20px 2px;
  border-bottom: 1px solid var(--hairline-soft);
}
.price-row:last-child {
  border-bottom: 0;
}
.price-name {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.price-name-zh {
  font-family: var(--title-family);
  font-size: 16px;
  letter-spacing: 0.14em;
  color: var(--ink);
  font-weight: 400;
}
.price-name-en {
  font-family: var(--num-family);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.price-amount {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--num-family);
  color: var(--ink);
  white-space: nowrap;
}
.price-amount .cur {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  margin-right: 6px;
  font-style: normal;
  text-transform: uppercase;
  font-family: var(--num-family);
}
.price-amount .num {
  font-size: 22px;
  letter-spacing: 0.04em;
  font-style: italic;
  font-weight: 500;
}

.section-note {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-align: center;
  margin: 18px 0 0;
  line-height: 1.9;
}

/* ============================================================
   Member card
   ============================================================ */
.member-card {
  background: var(--bg-elev);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  padding: 36px 26px;
  margin-top: 32px;
  position: relative;
}
.member-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 22px;
  right: 22px;
  height: 1px;
  background: var(--ink);
  opacity: 0.35;
}

.fee-block {
  text-align: center;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--hairline-soft);
}
.fee-label {
  font-family: var(--title-family);
  font-size: 12px;
  letter-spacing: 0.45em;
  color: var(--ink-mute);
  margin: 0 0 12px;
  padding-left: 0.45em;
}
.fee-amount {
  font-family: var(--num-family);
  font-style: italic;
  color: var(--ink);
  margin: 0;
}
.fee-amount .cur {
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  margin-right: 8px;
  text-transform: uppercase;
  font-style: normal;
}
.fee-amount .num {
  font-size: 38px;
  letter-spacing: 0.04em;
  font-weight: 500;
}

.benefits {
  margin-top: 28px;
}
.benefits-title {
  text-align: center;
  font-family: var(--title-family);
  font-size: 12px;
  letter-spacing: 0.45em;
  color: var(--ink-mute);
  margin: 0 0 22px;
  padding-left: 0.45em;
}
.benefits-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.benefit {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  align-items: start;
}
.benefit-num {
  font-family: var(--num-family);
  font-style: italic;
  font-size: 16px;
  color: var(--ink);
  line-height: 1.2;
  padding-top: 2px;
  border-right: 1px solid var(--hairline);
  padding-right: 10px;
  text-align: right;
}
.benefit-body {
  font-family: var(--body-family);
  font-size: 13px;
  line-height: 1.95;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin: 0;
}
.benefit-body b {
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.14em;
}

/* CTA */
.cta-stack {
  margin-top: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  padding: 16px 28px;
  border: 1px solid var(--ink);
  background: transparent;
  font-family: var(--title-family);
  font-size: 13px;
  letter-spacing: 0.45em;
  color: var(--ink);
  padding-left: calc(28px + 0.45em);
  transition: background 0.3s ease, color 0.3s ease;
}
.cta-btn:hover:not([disabled]) {
  background: var(--ink);
  color: var(--bg);
}
.cta-btn[disabled] {
  cursor: default;
  opacity: 0.85;
}
.cta-note {
  font-family: var(--num-family);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

/* ============================================================
   Policy page — soft prose
   ============================================================ */
.policy-intro {
  max-width: 320px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  line-height: 2.05;
  color: var(--ink-soft);
}

.policy-list {
  display: flex;
  flex-direction: column;
  margin-top: 8px;
}
.policy-chapter {
  position: relative;
  padding: 32px 0 30px;
  border-bottom: 1px solid var(--hairline-soft);
}
.policy-chapter:first-child {
  border-top: 1px solid var(--hairline-soft);
}
.policy-chapter:last-child {
  border-bottom: 0;
}

.policy-marker {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}
.policy-num {
  font-family: var(--num-family);
  font-style: italic;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: 0.04em;
  font-weight: 400;
  line-height: 1;
}
.policy-eyebrow {
  flex: 1;
  font-family: var(--num-family);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--ink-mute);
  text-transform: uppercase;
  position: relative;
  padding-left: 14px;
}
.policy-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--ink-mute);
  opacity: 0.6;
}
.policy-title {
  font-family: var(--title-family);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--ink);
  margin: 0 0 14px;
  padding-left: 0.22em;
  line-height: 1.6;
}
.policy-body {
  font-family: var(--body-family);
  font-size: 13px;
  line-height: 2.05;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin: 0;
  text-wrap: pretty;
}

.policy-closing {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  margin-top: 48px;
  padding: 0 8px;
}
.policy-closing-line {
  width: 1px;
  height: 32px;
  background: var(--hairline);
}
.policy-closing-text {
  font-family: var(--title-family);
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--ink);
  text-align: center;
  line-height: 2.2;
  margin: 0;
  padding-left: 0.4em;
}

/* Notes block on member page */
.notes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline-soft);
}
.notes-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 20px 2px;
  border-bottom: 1px solid var(--hairline-soft);
}
.notes-list li:last-child {
  border-bottom: 0;
}
.notes-list .num {
  font-family: var(--num-family);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
  padding-top: 2px;
}

/* Footer */
.foot {
  text-align: center;
  padding: 40px 0 32px;
  position: relative;
  z-index: 2;
}
.foot-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--num-family);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.foot-mark::before, .foot-mark::after {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--hairline);
}

::selection { background: oklch(0.85 0.02 235); color: var(--ink); }