/*
 * zmardio.com — the landing page, the legal pages and the error pages.
 * Values are the designer's, from docs/ui-design (`29e38ef`, `28ac1e2`), moved
 * out of inline styles so the site can run under a CSP without
 * 'unsafe-inline'. The phone-width rules at the bottom are ours: the design
 * draws only a desktop width (差異79).
 */

:root {
  --bg: #050505;
  --ink: #f5ede4;
  --purple: #a855f7;
  --pink: #ec4899;
  --serif: 'Bodoni Moda', serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  background: var(--bg);
  font-family: 'Inter', system-ui, sans-serif;
  color: #fff;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--pink); }

/* ---- Page frame ------------------------------------------------------ */

.page { min-height: 100vh; background: var(--bg); position: relative; overflow: hidden; }
.page--column { display: flex; flex-direction: column; }
.glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 30% at 50% -5%, rgba(168,85,247,0.14), transparent 70%);
}
.glow--landing {
  background: radial-gradient(ellipse 60% 40% at 50% -5%, rgba(168,85,247,0.16), transparent 70%),
              radial-gradient(circle at 95% 60%, rgba(236,72,153,0.06), transparent 40%);
}

.site-header {
  position: relative; z-index: 2; max-width: 1160px; width: 100%; margin: 0 auto;
  padding: 26px 28px; display: flex; align-items: center; gap: 32px;
}
.wordmark {
  font-family: var(--serif); font-weight: 500; font-size: 24px; line-height: 1;
  letter-spacing: 0.04em; color: var(--ink);
}
.wordmark--footer { font-size: 20px; line-height: normal; }
.site-nav {
  display: flex; gap: 28px; margin-left: auto;
  font-size: 13.5px; font-weight: 500; color: rgba(245,237,228,0.7);
}
.site-nav a { color: inherit; }
.site-nav a:hover { color: #fff; }
.btn-light {
  display: inline-flex; align-items: center; height: 38px; padding: 0 18px; border-radius: 999px;
  background: var(--ink); color: #0a0a0a; font-size: 13px; font-weight: 600; letter-spacing: 0.01em;
  transition: background .15s; white-space: nowrap;
}
.btn-light:hover { background: #fff; color: #0a0a0a; }
.back-link {
  margin-left: auto; display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 500; color: rgba(245,237,228,0.7);
}
.back-link:hover { color: #fff; }

.site-footer {
  position: relative; z-index: 1; max-width: 1160px; width: 100%; margin: 0 auto;
  display: flex; flex-wrap: wrap; align-items: center; gap: 20px 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.site-footer--landing { padding: 72px 28px 40px; margin-top: 100px; }
.site-footer--legal { padding: 40px 28px; margin-top: 100px; }
.site-footer--error { padding: 28px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 24px; font-size: 13px; color: rgba(245,237,228,0.55); }
.footer-nav a { color: inherit; }
.footer-nav a[aria-current="page"] { color: var(--ink); }
.copyright { margin-left: auto; font-size: 12.5px; color: rgba(245,237,228,0.4); }

/* ---- Type ------------------------------------------------------------ */

.kicker { font-size: 11px; letter-spacing: 3px; font-weight: 600; color: var(--purple); }
.kicker--pink { color: var(--pink); }
.h2 {
  margin: 16px 0 0; font-family: var(--serif); font-weight: 400;
  font-size: clamp(32px,4vw,46px); line-height: 1.1; color: var(--ink); text-wrap: balance;
}
.lede { margin: 0; font-size: 15.5px; line-height: 1.65; color: rgba(245,237,228,0.62); text-wrap: pretty; }

/* ---- Landing: hero --------------------------------------------------- */

.section { position: relative; z-index: 1; max-width: 1160px; margin: 0 auto; scroll-margin-top: 24px; }
.hero { padding: 72px 28px 0; text-align: center; }
.hero h1 {
  margin: 22px auto 0; max-width: 860px; font-family: var(--serif); font-weight: 400;
  font-size: clamp(40px,6vw,74px); line-height: 1.04; letter-spacing: -0.005em; color: var(--ink);
  text-wrap: balance;
}
.hero p {
  margin: 26px auto 0; max-width: 620px; font-size: 17px; line-height: 1.65;
  color: rgba(245,237,228,0.68); text-wrap: pretty;
}
.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.btn-grad {
  display: inline-flex; align-items: center; gap: 10px; height: 48px; padding: 0 24px; border-radius: 999px;
  background: linear-gradient(120deg,#a855f7,#ec4899); color: #fff; font-size: 14.5px; font-weight: 600;
  box-shadow: 0 10px 40px rgba(168,85,247,0.3);
}
.btn-grad:hover { color: #fff; filter: brightness(1.08); }
.btn-outline {
  display: inline-flex; align-items: center; height: 48px; padding: 0 24px; border-radius: 999px;
  border: 1px solid rgba(245,237,228,0.22); color: rgba(245,237,228,0.85); font-size: 14.5px; font-weight: 500;
  transition: border-color .15s;
}
.btn-outline:hover { border-color: rgba(245,237,228,0.5); color: #fff; }

/* The portal-and-phone picture under the hero. Illustration only. */
.mock { position: relative; margin: 72px auto 0; max-width: 1040px; padding-bottom: 40px; }
.mock-window {
  border-radius: 18px; border: 1px solid rgba(255,255,255,0.1); background: #0c0c0c; overflow: hidden; text-align: left;
  box-shadow: 0 40px 120px rgba(0,0,0,0.7), 0 0 0 1px rgba(168,85,247,0.08);
}
.mock-bar {
  display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px;
  border-bottom: 1px solid rgba(255,255,255,0.07); background: #111;
}
.mock-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.14); }
.mock-url {
  margin: 0 auto; height: 22px; padding: 0 14px; border-radius: 6px; background: rgba(255,255,255,0.05);
  font-size: 11px; color: rgba(255,255,255,0.4); display: flex; align-items: center;
}
.mock-body { display: grid; grid-template-columns: 200px minmax(0,1fr); min-height: 460px; }
.mock-aside {
  background: rgba(14,14,14,0.9); border-right: 1px solid rgba(255,255,255,0.07);
  padding: 22px 14px; display: flex; flex-direction: column; gap: 3px;
}
.mock-brand { padding: 0 10px 18px; }
.mock-brand-name { font-family: var(--serif); font-weight: 500; font-size: 17px; letter-spacing: 0.04em; color: var(--ink); }
.mock-brand-sub { font-size: 8px; letter-spacing: 2.2px; font-weight: 600; color: rgba(245,237,228,0.45); margin-top: 3px; }
.mock-nav { padding: 8px 10px; font-size: 11.5px; font-weight: 500; color: rgba(255,255,255,0.45); }
.mock-nav--on { border-radius: 8px; font-weight: 600; background: rgba(168,85,247,0.15); color: #fff; }
.mock-main { padding: 26px 28px; background: #080808; }
.mock-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.mock-muted { font-size: 11px; color: rgba(255,255,255,0.4); }
.mock-greet { font-family: var(--serif); font-size: 22px; color: var(--ink); margin-top: 4px; }
.mock-kpis { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin-top: 22px; }
.mock-kpi { padding: 16px; border-radius: 12px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.07); }
.mock-kpi-label { font-size: 10.5px; color: rgba(255,255,255,0.45); }
.mock-kpi-value { font-size: 24px; font-weight: 600; margin-top: 6px; color: #fff; }
.mock-kpi-note { font-size: 10.5px; color: rgba(255,255,255,0.45); margin-top: 4px; }
.mock-kpi-note--up { color: #a3e635; }
.mock-table { margin-top: 22px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.07); background: rgba(255,255,255,0.02); overflow: hidden; }
.mock-table-head {
  display: flex; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 11.5px; font-weight: 600; color: rgba(255,255,255,0.8);
}
.mock-table-head span { color: var(--purple); font-weight: 500; }
.mock-row {
  display: grid; grid-template-columns: 70px minmax(0,1fr) auto auto; gap: 14px; align-items: center;
  padding: 11px 16px; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 11.5px; color: #fff;
}
.mock-row:last-child { border-bottom: 0; }
.mock-row .dim { color: rgba(255,255,255,0.45); }

.phone-small {
  position: absolute; right: -6px; bottom: 0; width: 212px; border-radius: 32px; background: #0a0a0a;
  border: 1px solid rgba(255,255,255,0.14); box-shadow: 0 30px 80px rgba(0,0,0,0.8); padding: 10px; text-align: left;
}
.phone-small-screen { border-radius: 24px; background: #0d0d0d; overflow: hidden; height: 380px; display: flex; flex-direction: column; }
.phone-status { display: flex; justify-content: space-between; padding: 10px 16px 0; font-size: 9.5px; font-weight: 600; color: #fff; }
.phone-status span:last-child { color: rgba(255,255,255,0.6); }
.phone-small-hello { padding: 18px 14px 0; }
.phone-small-hello div:first-child { font-size: 10px; color: rgba(255,255,255,0.45); }
.phone-small-hello div:last-child { font-family: var(--serif); font-size: 18px; color: var(--ink); margin-top: 2px; }
.phone-next {
  margin: 14px 14px 0; padding: 12px; border-radius: 14px; border: 1px solid rgba(255,255,255,0.1);
  background: linear-gradient(135deg,rgba(168,85,247,0.35),rgba(236,72,153,0.25));
}
.phone-next-kicker { font-size: 8.5px; letter-spacing: 1.5px; color: rgba(255,255,255,0.65); }
.phone-next-title { font-size: 12px; font-weight: 600; color: #fff; margin-top: 5px; }
.phone-next-when { font-size: 10px; color: rgba(255,255,255,0.7); margin-top: 2px; }
.phone-small-list { padding: 14px 14px 0; display: flex; flex-direction: column; gap: 7px; }
.phone-small-list div {
  display: flex; justify-content: space-between; padding: 9px 10px; border-radius: 10px;
  background: rgba(255,255,255,0.04); font-size: 10px; color: #fff;
}
.phone-small-list span:last-child { color: rgba(255,255,255,0.45); }
.phone-tabs {
  margin-top: auto; display: flex; justify-content: space-around; padding: 10px 0 12px;
  border-top: 1px solid rgba(255,255,255,0.07); font-size: 8.5px; color: rgba(255,255,255,0.4);
}
.phone-tabs .on { color: var(--pink); }

/* ---- Landing: admin portal ------------------------------------------- */

.portal { padding: 110px 28px 0; }
.portal-intro { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 32px; align-items: end; }
.features {
  margin-top: 48px; display: grid; grid-template-columns: repeat(auto-fit,minmax(300px,1fr)); gap: 1px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.08); border-radius: 18px; overflow: hidden;
}
.feature { padding: 30px 28px; background: #0a0a0a; position: relative; }
.feature h3 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: 22px; color: var(--ink); }
.feature p { margin: 12px 0 0; font-size: 14px; line-height: 1.6; color: rgba(245,237,228,0.6); }
.feature-badge { position: absolute; top: 18px; right: 20px; font-size: 9.5px; letter-spacing: 2px; font-weight: 600; color: var(--pink); }

/* ---- Landing: member app --------------------------------------------- */

.app { padding: 120px 28px 0; }
.app-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(300px,1fr)); gap: 56px; align-items: center; }
.app-phone-wrap { display: flex; justify-content: center; }
.phone {
  position: relative; width: 280px; border-radius: 44px; background: #0a0a0a; border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 40px 100px rgba(0,0,0,0.8), 0 0 80px rgba(168,85,247,0.12); padding: 12px; text-align: left;
}
.phone-screen { border-radius: 34px; background: #0d0d0d; overflow: hidden; height: 560px; display: flex; flex-direction: column; }
.phone .phone-status { padding: 14px 22px 0; font-size: 12px; }
.phone-title { padding: 26px 20px 0; }
.phone-title .kicker { letter-spacing: 2.5px; }
.phone-title div:last-child { font-family: var(--serif); font-size: 26px; color: var(--ink); margin-top: 8px; }
.phone-days { display: flex; gap: 6px; padding: 18px 20px 0; }
.phone-day {
  flex: 1; text-align: center; padding: 8px 0; border-radius: 10px; background: rgba(255,255,255,0.04);
  font-size: 10px; color: rgba(255,255,255,0.5);
}
.phone-day b { display: block; font-size: 13px; font-weight: 600; color: #fff; margin-top: 2px; }
.phone-day--on { background: linear-gradient(135deg,#a855f7,#ec4899); color: rgba(255,255,255,0.85); }
.phone-classes { padding: 18px 20px 0; display: flex; flex-direction: column; gap: 10px; }
.phone-class { padding: 14px; border-radius: 14px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07); }
.phone-class-meta { display: flex; justify-content: space-between; font-size: 10.5px; color: rgba(255,255,255,0.45); }
.phone-class-meta .booked { color: var(--pink); }
.phone-class-name { font-size: 13.5px; font-weight: 600; color: #fff; margin-top: 6px; }
.phone-class-who { font-size: 11px; color: rgba(255,255,255,0.55); margin-top: 2px; }
.phone-book {
  margin-top: 12px; height: 32px; border-radius: 9px; background: var(--ink); color: #0a0a0a;
  font-size: 11.5px; font-weight: 600; display: flex; align-items: center; justify-content: center;
}
.phone .phone-tabs { padding: 14px 0 18px; font-size: 10px; }
.app-copy .lede { margin-top: 20px; }
.app-list { margin: 36px 0 0; padding: 0; border-top: 1px solid rgba(255,255,255,0.08); }
.app-item {
  display: grid; grid-template-columns: 180px minmax(0,1fr); gap: 16px; padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.app-item dt { font-size: 14.5px; font-weight: 600; color: var(--ink); }
.app-item dd { margin: 0; font-size: 14px; line-height: 1.55; color: rgba(245,237,228,0.6); }

/* ---- Landing: how it works ------------------------------------------- */

.how { padding: 130px 28px 0; }
.how-head { text-align: center; }
.how-head .h2 { margin-left: auto; margin-right: auto; max-width: 640px; }
.steps { margin: 56px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 40px; }
.step { padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.12); }
.step-n { font-family: var(--serif); font-style: italic; font-size: 40px; line-height: 1; color: var(--purple); }
.step h3 { margin: 18px 0 0; font-size: 18px; font-weight: 600; color: var(--ink); }
.step p { margin: 10px 0 0; font-size: 14.5px; line-height: 1.6; color: rgba(245,237,228,0.6); }

/* ---- Landing: FAQ ---------------------------------------------------- */

.faq { max-width: 760px; padding: 130px 28px 0; }
.faq-list { margin-top: 36px; border-top: 1px solid rgba(255,255,255,0.1); }
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.1); }
.faq-item summary {
  list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 0; cursor: pointer; font-size: 16.5px; font-weight: 500; color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: #fff; }
.faq-item summary svg { flex-shrink: 0; color: var(--purple); transition: transform .2s; }
.faq-item[open] summary svg { transform: rotate(45deg); }
.faq-item p { margin: 0; padding: 0 40px 24px 0; font-size: 15px; line-height: 1.65; color: rgba(245,237,228,0.62); text-wrap: pretty; }

/* ---- Landing: download ----------------------------------------------- */

.download { padding: 130px 28px 0; }
.download-card {
  position: relative; overflow: hidden; border-radius: 24px; border: 1px solid rgba(255,255,255,0.1);
  padding: 72px 32px; text-align: center;
  background: radial-gradient(ellipse 70% 80% at 50% 110%, rgba(168,85,247,0.28), transparent 70%), #0a0a0a;
}
.download-card .wordmark { font-size: 34px; line-height: normal; }
.download-card h2 {
  margin: 22px auto 0; max-width: 560px; font-family: var(--serif); font-weight: 400;
  font-size: clamp(28px,3.6vw,40px); line-height: 1.12; color: var(--ink); text-wrap: balance;
}
.download-card p { margin: 18px auto 0; max-width: 460px; font-size: 15px; line-height: 1.6; color: rgba(245,237,228,0.62); }
.badges { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.badge-apple { display: block; width: 162px; height: 54px; border-radius: 9px; overflow: hidden; }
.badge-apple img { display: block; width: 162px; height: 54px; object-fit: contain; }
.badge-google { display: block; width: 181px; height: 54px; overflow: visible; }
.badge-google img { display: block; width: 206px; height: 80px; margin: -13px -12.5px; }

/* ---- Legal pages ----------------------------------------------------- */

.legal { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; padding: 64px 28px 0; }
.legal h1 {
  margin: 16px 0 0; font-family: var(--serif); font-weight: 400;
  font-size: clamp(36px,5vw,56px); line-height: 1.05; color: var(--ink);
}
.legal-by { margin: 14px 0 0; font-size: 13px; color: rgba(245,237,228,0.45); }
.legal-body {
  margin-top: 48px; display: flex; flex-direction: column; gap: 18px;
  font-size: 15.5px; line-height: 1.7; color: rgba(245,237,228,0.72); text-wrap: pretty;
}
.legal-body p { margin: 0; }
.legal-body h2 { margin: 28px 0 0; font-family: var(--serif); font-weight: 400; font-size: 28px; line-height: 1.15; color: var(--ink); }
.legal-body ul { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 6px; }
.legal-body a { color: var(--purple); }

/* ---- Error pages ----------------------------------------------------- */

.error-main {
  position: relative; z-index: 1; flex: 1; display: flex; align-items: center; justify-content: center;
  padding: 40px 28px 80px;
}
.error-box { max-width: 560px; width: 100%; text-align: center; }
.error-code {
  font-family: var(--serif); font-weight: 400; font-style: italic; font-size: clamp(120px,22vw,220px);
  line-height: 0.9; letter-spacing: -0.02em; color: transparent;
  background: linear-gradient(180deg,#f5ede4 0%,rgba(245,237,228,0.12) 100%);
  -webkit-background-clip: text; background-clip: text;
}
.error-box .kicker { margin-top: 44px; }
.error-box h1 {
  margin: 14px 0 0; font-family: var(--serif); font-weight: 400; font-size: clamp(28px,4vw,40px);
  line-height: 1.1; color: var(--ink); text-wrap: pretty;
}
.error-box > p { margin: 16px auto 0; max-width: 420px; font-size: 15.5px; line-height: 1.65; color: rgba(245,237,228,0.62); text-wrap: pretty; }
.error-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.btn-white {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 999px;
  background: #fff; color: #050505; font-size: 14px; font-weight: 600; transition: background .15s;
}
.btn-white:hover { background: var(--ink); color: #050505; }
.error-box .error-help { margin: 40px auto 0; max-width: none; font-size: 12.5px; color: rgba(245,237,228,0.4); }
.error-help a { color: rgba(245,237,228,0.7); }

/* ---- Phone width (ours, not drawn: 差異79) ---------------------------- */

@media (max-width: 760px) {
  .site-header { padding: 20px 16px; gap: 16px; }
  .site-nav { display: none; }
  .site-header .btn-light { margin-left: auto; }
  .section, .legal { padding-left: 16px; padding-right: 16px; }
  .hero { padding-top: 48px; }
  .mock { margin-top: 48px; padding-bottom: 0; }
  .mock-body { grid-template-columns: minmax(0,1fr); min-height: 0; }
  .mock-aside, .phone-small { display: none; }
  .mock-main { padding: 20px 16px; }
  .mock-kpis { grid-template-columns: minmax(0,1fr); }
  .portal-intro, .features, .app-grid, .steps { grid-template-columns: minmax(0,1fr); }
  .portal, .app, .how, .faq, .download { padding-top: 88px; }
  .app-item { grid-template-columns: minmax(0,1fr); gap: 6px; }
  .feature-badge { position: static; margin-bottom: 10px; }
  .download-card { padding: 56px 20px; }
  .site-footer { padding-left: 16px; padding-right: 16px; }
  .copyright { margin-left: 0; width: 100%; }
}