/* =========================================
   Everbright Commerce LLC — Main Stylesheet
   Japanese-refined minimal corporate style
========================================= */

/* ══════════════════════════════════════
   CSS VARIABLES
══════════════════════════════════════ */
:root {
  --sidebar-w: 220px;
  --topbar-h: 56px;
  --orange: #E8720C;
  --orange-hover: #c85e08;
  --orange-soft: #fdf2e8;
  --orange-border: rgba(232,114,12,0.18);
  --brown-heading: #3A1E08;
  --brown-body: #5C3D1E;
  --brown-sub: #7A5C3C;
  --brown-light: #9B7B5A;
  --brown-pale: rgba(90,60,30,0.18);
  --text-sub: #8a7060;
  --white: #fff;
  --bg: #fbfaf7;
  --bg-alt: #f7f4ef;
  --divider: rgba(90,60,30,0.09);
  --divider-warm: rgba(90,60,30,0.10);
  --shadow-xs: 0 2px 8px rgba(58,30,8,0.04);
  --shadow-sm: 0 4px 16px rgba(58,30,8,0.06);
  --shadow-md: 0 8px 28px rgba(58,30,8,0.09);
  --radius-sm: 8px;
  --radius-md: 12px;
  --ease: 0.25s ease;

  /* Japanese refinement palette */
  --jp-ink: #4f3f34;
  --jp-sub: #7c6c61;
  --jp-muted: #9b8d82;
  --jp-line: rgba(79,63,52,0.11);
  --jp-line-soft: rgba(79,63,52,0.07);
  --jp-accent: #8a6f5b;
  --jp-accent-soft: #f3eee8;
  --jp-accent-deep: #6f5645;
}

/* ══════════════════════════════════════
   BASE
══════════════════════════════════════ */
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Yu Gothic UI', sans-serif;
  background: var(--bg);
  color: var(--jp-ink);
  margin: 0; padding: 0;
  display: flex; flex-direction: column;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(138,111,91,0.18); border-radius: 3px; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; cursor: pointer; }

/* bottom bar reference */
.main-content { flex: 1; }

.logo-img-footer { height: 24px; width: auto; object-fit: contain; display: block; }

/* ══════════════════════════════════════
   LEFT SIDEBAR
══════════════════════════════════════ */
.sidebar {
  position: fixed; top: 0; left: 0;
  height: 100vh; width: var(--sidebar-w);
  background: rgba(255,255,255,0.96);
  border-right: 1px solid var(--jp-line-soft);
  box-shadow: none;
  display: flex; flex-direction: column;
  z-index: 500; overflow: hidden;
}
.sidebar-logo {
  padding: 24px 20px 22px;
  border-bottom: 1px solid var(--jp-line-soft);
  margin-bottom: 8px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.logo-img { height: 36px; width: 36px; object-fit: contain; border-radius: 0; background: transparent; flex-shrink: 0; display: block; }
.logo-text { display: flex; flex-direction: column; }
.logo-main { font-size: 13.5px; font-weight: 700; color: var(--jp-ink); letter-spacing: 0.02em; line-height: 1.2; }
.logo-sub { font-size: 9.5px; color: var(--jp-muted); font-weight: 400; letter-spacing: 0.05em; margin-top: 1px; }

.sidebar-nav {
  display: flex; flex-direction: column;
  padding: 8px 0;
  gap: 2px;
}
.sidebar-link {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 24px 10px 20px;
  border-radius: 0;
  color: var(--jp-ink);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: color .24s ease, background-color .24s ease, opacity .3s ease, transform .3s ease;
  position: relative;
}
.sidebar-link:hover {
  color: var(--jp-accent-deep);
  background: rgba(138,111,91,0.04);
}
.sidebar-link.active {
  color: var(--jp-ink);
  background: rgba(138,111,91,0.05);
}
.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0; top: 18%; bottom: 18%;
  width: 2px;
  background: var(--jp-accent);
  border-radius: 2px;
  opacity: .32;
}
.sidebar-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--jp-line);
  flex-shrink: 0;
  transition: background .2s ease;
}
.sidebar-link.active .sidebar-dot {
  background: var(--jp-accent);
  opacity: 0.5;
}
.sidebar-link.dimmed { opacity: .3; }
.sidebar-link.dimmed:hover { opacity: .72; }

/* ══════════════════════════════════════
   TOP NAVBAR (right-side desktop)
══════════════════════════════════════ */
.top-navbar {
  position: fixed; top: 0;
  left: var(--sidebar-w); right: 0;
  height: var(--topbar-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--jp-line-soft);
  box-shadow: none;
  display: flex; align-items: center;
  justify-content: flex-end;
  padding: 0 36px 0 48px;
  z-index: 600;
}
.top-nav-right {
  display: flex; align-items: center; gap: 4px;
}
.top-nav-links { display: flex; align-items: center; gap: 4px; }
.top-nav-link {
  background: none; border: none; cursor: pointer;
  font-size: 12.5px; font-weight: 500;
  color: var(--jp-ink);
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: 6px;
  transition: color .2s ease, background .2s ease;
}
.top-nav-link:hover { color: var(--jp-accent-deep); background: rgba(138,111,91,0.05); }
.top-nav-link.active { color: var(--jp-ink); background: rgba(138,111,91,0.07); }

.lang-toggle {
  background: transparent;
  border: 1px solid rgba(138,111,91,0.28);
  color: var(--jp-accent);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 5px 13px;
  border-radius: 5px;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.lang-toggle:hover { background: rgba(138,111,91,0.06); border-color: var(--jp-accent); }

/* ══════════════════════════════════════
   MOBILE NAV
══════════════════════════════════════ */
.mobile-topbar {
  display: none; position: fixed; top: 0; left: 0; right: 0; height: 56px;
  background: rgba(255,255,255,0.96); border-bottom: 1px solid var(--jp-line-soft);
  align-items: center; justify-content: space-between;
  padding: 0 20px; z-index: 700;
}
.hamburger {
  background: none; border: none; cursor: pointer; padding: 6px;
  display: flex; flex-direction: column; gap: 5px;
}
.hamburger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--jp-ink); border-radius: 2px; transition: all .25s ease;
}
.mobile-drawer {
  display: none; position: fixed; top: 56px; left: 0; right: 0;
  background: rgba(255,255,255,0.98); border-bottom: 1px solid var(--jp-line-soft);
  flex-direction: column; gap: 4px;
  box-shadow: 0 8px 24px rgba(66,46,30,0.06); z-index: 650; padding: 12px;
}
.mobile-drawer.open { display: flex; }
.mobile-nav-link {
  display: block; padding: 12px 16px; border-radius: var(--radius-sm);
  color: var(--jp-ink); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: background .2s ease;
}
.mobile-nav-link:hover { background: rgba(138,111,91,0.05); }
.mobile-nav-link.cta { background: var(--orange); color: #fff; font-weight: 600; margin-top: 8px; text-align: center; }
.mobile-nav-link.cta:hover { background: var(--orange-hover); }

/* ══════════════════════════════════════
   MAIN CONTENT (right side)
══════════════════════════════════════ */
.main-content {
  margin-left: var(--sidebar-w);
  padding-top: var(--topbar-h);
  min-height: 100vh;
  padding-bottom: 80px;
}

/* ══════════════════════════════════════
   BUTTONS
══════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 11px 24px; border-radius: var(--radius-sm);
  font-weight: 500; font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer; border: 1px solid transparent;
  transition: all var(--ease); white-space: nowrap;
}
.btn-primary {
  background: var(--jp-ink); color: #fff; border-color: var(--jp-ink);
}
.btn-primary:hover {
  background: var(--jp-accent-deep); border-color: var(--jp-accent-deep);
  box-shadow: none;
}
.btn-outline {
  background: transparent; border-color: var(--jp-line); color: var(--jp-ink);
}
.btn-outline:hover {
  border-color: var(--jp-accent); color: var(--jp-accent-deep);
  background: rgba(138,111,91,0.04);
}

/* ══════════════════════════════════════
   CORE ADVANTAGES (inside about section)
══════════════════════════════════════ */
.about-adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
  max-width: 100%;
  margin-top: 40px;
}
.core-adv-card {
  background: #fff;
  border: 1px solid var(--jp-line-soft);
  border-radius: 12px;
  padding: 28px 22px;
  text-align: center;
  box-shadow: none;
  transition: box-shadow 0.28s ease, transform 0.28s ease;
}
.core-adv-card:hover {
  box-shadow: 0 8px 24px rgba(66,46,30,0.07);
  transform: translateY(-3px);
}
.core-adv-icon {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--jp-accent-soft);
  border: 1px solid rgba(138,111,91,0.18);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.core-adv-icon svg { width: 22px; height: 22px; color: var(--jp-accent); stroke: var(--jp-accent); }
.core-adv-title { font-size: 14px; font-weight: 600; color: var(--jp-ink); margin-bottom: 8px; letter-spacing: 0.02em; }
.core-adv-desc { font-size: 12.5px; color: var(--jp-sub); line-height: 1.72; }

.page-section { padding: 88px 72px; background: var(--white); }
.page-section.section-alt { background: var(--bg-alt); }

.section-header { margin-bottom: 52px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--orange-soft); border: 1px solid var(--orange-border);
  color: var(--orange); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.07em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 20px; margin-bottom: 16px;
}
.section-title {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--jp-ink);
  margin-bottom: 10px;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 20px; height: 1px;
  background: var(--jp-accent);
  margin: 10px 0 0;
  opacity: .45;
}
.section-sub { font-size: 14px; color: var(--jp-sub); line-height: 1.7; }

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  min-height: calc(100vh - var(--topbar-h));
  display: flex; align-items: center;
  padding: 80px 72px 80px;
  background: linear-gradient(145deg, #fffcf8 0%, #fdf5ea 60%, #fdf0df 100%);
  position: relative; overflow: hidden;
}
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; }
.shape {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(232,114,12,0.06) 0%, transparent 70%);
}
.shape-1 { width: 500px; height: 500px; top: -120px; right: -80px; }
.shape-2 { width: 350px; height: 350px; bottom: -60px; left: 20%; opacity: 0.5; }
.hero-inner { position: relative; z-index: 1; max-width: 580px; }
.hero-badge {
  display: inline-block; padding: 6px 14px;
  background: rgba(232,114,12,0.06); border: 1px solid var(--orange-border);
  color: var(--orange); font-size: 12px; font-weight: 500; letter-spacing: 0.06em;
  border-radius: 20px; margin-bottom: 28px;
}
.hero-title {
  font-size: 46px; font-weight: 700; line-height: 1.18;
  color: var(--jp-ink); margin-bottom: 22px; letter-spacing: -0.01em;
}
.hero-title .highlight { color: var(--orange); }
.hero-sub { font-size: 16px; color: var(--jp-sub); line-height: 1.75; margin-bottom: 0; }

/* ══════════════════════════════════════
   SERVICES LIST
══════════════════════════════════════ */
.services-right { width: 100%; }
.svc-accordion { border: none; }
.svc-body { overflow: hidden; }
.svc-list { list-style: none; padding: 0; margin: 0; }
.svc-list-item {
  display: flex; align-items: center; gap: 14px;
  border-bottom: 1px solid var(--jp-line-soft);
  padding: 14px 4px;
  transition: background .2s ease;
}
.svc-list-item:hover { background: rgba(138,111,91,0.025); }
.svc-dot {
  width: 5px; height: 5px;
  border-radius: 50%; flex-shrink: 0;
  background: rgba(138,111,91,0.28);
}
.svc-item-content { flex: 1; }
.svc-item-title { font-size: 13.5px; font-weight: 500; color: var(--jp-ink); letter-spacing: 0.03em; }

/* Plus button */
.svc-plus-btn {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(79,63,52,0.14);
  background: transparent;
  color: var(--jp-muted);
  font-size: 16px; line-height: 22px; text-align: center;
  cursor: pointer; flex-shrink: 0;
  transition: border-color .2s ease, color .2s ease, transform .24s ease;
  box-shadow: none;
}
.svc-plus-btn:hover { border-color: var(--jp-accent); color: var(--jp-accent); }
.svc-plus-btn.active {
  background: transparent; border-color: var(--jp-accent);
  color: var(--jp-accent); transform: rotate(45deg); box-shadow: none;
}

/* Detail row */
.svc-detail-row {
  display: none;
  background: rgba(255,255,255,0.7);
  border-bottom: 1px solid var(--jp-line-soft);
}
.svc-detail-row.open { display: block; }

.detail-table-wrap { padding: 20px 4px; }
.detail-note-row { margin-bottom: 12px; }
.detail-note {
  font-size: 11px; color: var(--jp-muted);
  line-height: 1.65; font-style: normal;
  letter-spacing: 0.015em;
}
.detail-service-fee {
  display: inline-block; margin-left: 8px;
  font-size: 11px; font-weight: 600;
  color: var(--jp-accent); letter-spacing: 0.03em;
}
.detail-table {
  width: 100%; border-collapse: collapse;
  border-radius: var(--radius-sm); overflow: hidden;
  border: 1px solid var(--jp-line); box-shadow: none;
}
.detail-table thead tr { background: rgba(138,111,91,0.04); }
.detail-table th {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; color: var(--jp-accent);
  text-transform: uppercase; padding: 9px 12px;
  border-bottom: 1px solid var(--jp-line);
  text-align: left;
}
.detail-table tbody tr:last-child td { border-bottom: none; }
.detail-table tbody tr:nth-child(even) { background: rgba(138,111,91,0.018); }
.detail-table tbody tr:hover { background: rgba(138,111,91,0.03); }
.detail-table td {
  font-size: 12.5px; color: var(--jp-sub);
  padding: 8px 12px; line-height: 1.5;
  border-bottom: 1px solid var(--jp-line-soft);
  text-align: left;
}

/* Tax pricing cards */
.tax-block {
  border: 1px solid var(--jp-line-soft);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 16px;
  background: rgba(255,255,255,0.8);
  box-shadow: none;
}
.tax-block-title {
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.04em; color: var(--jp-ink);
  margin-bottom: 12px;
}
.tax-tag {
  font-size: 10px; font-weight: 600;
  background: var(--jp-accent-soft);
  color: var(--jp-accent);
  padding: 2px 8px; border-radius: 4px;
  letter-spacing: 0.03em;
}
.tax-pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.tax-price-card {
  background: #fff; border: 1px solid var(--jp-line-soft);
  border-radius: 8px; padding: 14px 16px; box-shadow: none;
}
.tax-price-label {
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--jp-muted); margin-bottom: 6px;
}
.tax-price-main { font-size: 22px; font-weight: 600; color: var(--jp-ink); letter-spacing: -0.01em; line-height: 1; }
.tax-price-sub { font-size: 11px; color: var(--jp-muted); margin-top: 5px; }
.tax-include-list { list-style: none; padding: 0; margin: 10px 0 0; }
.tax-include-list li { font-size: 11.5px; color: var(--jp-sub); padding: 3px 0; }
.tax-calc-title { font-size: 12px; font-weight: 600; color: var(--jp-ink); margin: 14px 0 8px; letter-spacing: 0.03em; }
.tax-calc-table { margin-bottom: 8px; }
.tax-formula { font-size: 11px; color: var(--jp-muted); margin-top: 4px; font-style: italic; }
.tax-factors { margin-top: 14px; }
.tax-factors-title { font-size: 12px; font-weight: 600; color: var(--jp-ink); margin-bottom: 8px; }
.tax-factors-grid {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.tax-factors-grid span {
  font-size: 11px; background: var(--jp-accent-soft);
  color: var(--jp-accent); padding: 3px 10px; border-radius: 4px;
}
.tax-deliverables { margin-top: 12px; }

/* ══════════════════════════════════════
   ABOUT SECTION
══════════════════════════════════════ */
.about-new-wrap {
  display: flex; flex-direction: column;
  align-items: center; gap: 44px; padding: 16px 0 8px;
}
.about-avatars-row {
  display: flex; align-items: flex-end;
  justify-content: center; gap: 44px;
}
.about-avatar-item {
  display: flex; flex-direction: column;
  align-items: center; gap: 12px;
}
.about-circle-avatar {
  width: 140px; height: 140px;
  border-radius: 50%;
  border: 2px solid rgba(196,149,106,0.35);
  display: flex; align-items: center; justify-content: center;
  background: #fdf6f0;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  flex-shrink: 0;
}
.about-circle-avatar:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(138,111,91,0.18);
}
.about-avatar-photo {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  border-radius: 50%; display: block;
}
.about-avatar-inner {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; font-weight: 700;
  color: var(--jp-accent); background: var(--jp-accent-soft);
  font-family: inherit;
}
.about-avatar-name {
  font-size: 13.5px; font-weight: 600;
  color: var(--jp-ink); text-align: center;
  letter-spacing: 0.02em;
}
.about-company-block {
  text-align: center; display: flex; flex-direction: column; align-items: center; gap: 7px;
}
.about-company-tagline {
  font-size: 14px; font-weight: 500; color: var(--jp-sub);
  letter-spacing: 0.04em;
}
.about-company-desc {
  font-size: 22px; font-weight: 700; color: var(--jp-ink);
  letter-spacing: 0.02em;
}

/* ══════════════════════════════════════
   CONTACT / SURVEY
══════════════════════════════════════ */
.survey-wrapper { max-width: 560px; }
.survey-form-side { }
.simple-form-title {
  font-size: 19px; font-weight: 600; color: var(--jp-ink);
  margin-bottom: 24px; letter-spacing: 0.04em;
}
.survey-form {
  background: #fff; border: 1px solid var(--jp-line);
  border-radius: 12px; box-shadow: none; padding: 28px;
}
.form-group { margin-bottom: 14px; }
.form-input, .form-select, .form-textarea {
  width: 100%; box-sizing: border-box;
  border: 1px solid var(--jp-line); border-radius: var(--radius-sm);
  font-size: 13.5px; color: var(--jp-ink);
  background: var(--bg); padding: 10px 14px;
  transition: border-color .2s ease, box-shadow .2s ease;
  box-shadow: none; font-family: inherit;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--jp-accent);
  box-shadow: 0 0 0 2px rgba(138,111,91,0.08);
  outline: none;
}
.form-select { appearance: none; cursor: pointer; }
.form-textarea { resize: vertical; min-height: 100px; }

/* Success dialog */
.form-success {
  max-width: 288px;
  margin: 20px auto;
  border: 1px solid rgba(138,111,91,0.14);
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(66,46,30,0.05);
  background: #fff;
  text-align: center;
  padding: 22px 20px;
}

/* ══════════════════════════════════════
   BOTTOM BAR
══════════════════════════════════════ */
.site-bottom-bar {
  position: fixed; bottom: 0; left: var(--sidebar-w); right: 0;
  z-index: 300; background: #fff;
  border-top: 1px solid var(--jp-line-soft);
  height: 36px; display: flex; align-items: center;
  justify-content: space-between; padding: 0 32px; box-sizing: border-box;
}
.site-bottom-bar .bottom-copy {
  font-size: 11px; color: var(--jp-muted); white-space: nowrap;
}
.site-bottom-bar .bottom-email {
  font-size: 11px; color: var(--jp-sub); text-decoration: none; transition: color .2s;
}
.site-bottom-bar .bottom-email:hover { color: var(--jp-accent-deep); }
.site-bottom-bar .bottom-right { display: flex; align-items: center; gap: 18px; }
.bottom-wechat-btn {
  display: flex; align-items: center; gap: 6px;
  background: none; border: none; cursor: pointer; padding: 0; transition: opacity .2s;
}
.bottom-wechat-btn:hover { opacity: 0.75; }
.bottom-wechat-label { font-size: 11px; color: var(--jp-sub); }

/* ══════════════════════════════════════
   BACK TO TOP
══════════════════════════════════════ */
.back-to-top {
  position: fixed; bottom: 50px; right: 24px; z-index: 800;
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--jp-line);
  color: var(--jp-ink); cursor: pointer; font-size: 12px;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(8px); box-shadow: none;
  opacity: 0; transform: translateY(10px);
  transition: all var(--ease);
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover {
  background: #fff; border-color: var(--jp-accent);
  color: var(--jp-accent-deep); transform: translateY(-2px);
}

/* ══════════════════════════════════════
   WECHAT QR MODAL
══════════════════════════════════════ */
.qr-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(30,14,3,0.35); z-index: 900;
  backdrop-filter: blur(2px);
}
.qr-overlay.active { display: block; }
.qr-modal {
  display: none; position: fixed;
  top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.96);
  background: #fff; border-radius: 14px;
  padding: 28px 24px; text-align: center;
  border: 1px solid var(--jp-line); box-shadow: 0 20px 60px rgba(30,14,3,0.12);
  z-index: 950; width: 240px; transition: transform .2s ease;
}
.qr-modal.active { display: block; transform: translate(-50%, -50%) scale(1); }
.qr-close {
  position: absolute; top: 12px; right: 12px;
  background: none; border: none; cursor: pointer;
  font-size: 14px; color: var(--jp-muted); padding: 4px;
  transition: color .2s ease;
}
.qr-close:hover { color: var(--jp-ink); }
.qr-title { font-size: 14px; font-weight: 600; color: var(--jp-ink); margin-bottom: 16px; }
.qr-img { width: 160px; height: 160px; object-fit: contain; margin: 0 auto 14px; border-radius: 8px; }
.qr-hint { font-size: 12px; color: var(--jp-muted); line-height: 1.65; }

/* ══════════════════════════════════════
   SCROLL REVEAL
══════════════════════════════════════ */
.reveal {
  opacity: 0; transform: translateY(16px);
  transition: opacity .52s cubic-bezier(.22,.61,.36,1), transform .52s cubic-bezier(.22,.61,.36,1);
}
.reveal.visible { opacity: 1; transform: none; }

/* ══════════════════════════════════════
   TOAST
══════════════════════════════════════ */
.toast {
  position: fixed; bottom: 60px; left: 50%; transform: translateX(-50%);
  background: var(--jp-ink); color: #fff;
  padding: 10px 20px; border-radius: 8px;
  font-size: 13px; z-index: 9999;
  opacity: 0; transition: opacity .25s ease;
  pointer-events: none;
}
.toast.show { opacity: 1; }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 1024px) {
  :root { --sidebar-w: 0px; --topbar-h: 0px; }
  .sidebar { display: none; }
  .top-navbar { display: none; }
  .mobile-topbar { display: flex; }
  .main-content { margin-left: 0; padding-top: 60px; }
  .page-section { padding: 64px 32px; }
  .hero { min-height: 100vh; padding: 80px 32px 72px; }
  .about-adv-grid { grid-template-columns: repeat(2, 1fr); }
  .site-bottom-bar { left: 0; }
}
@media (max-width: 768px) {
  .page-section { padding: 52px 20px; }
  .hero { padding: 72px 20px 60px; }
  .hero-title { font-size: 34px; }
  .about-avatars-row { gap: 20px; }
  .about-circle-avatar { width: 90px; height: 90px; }
  .about-adv-grid { grid-template-columns: 1fr; }
  .tax-pricing-grid { grid-template-columns: 1fr; }
  .survey-form { padding: 20px 16px; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 28px; }
  .about-avatars-row { flex-direction: column; align-items: center; gap: 24px; }
  .survey-form { padding: 16px 12px; }
}