*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-family: var(--font); background: var(--bg); color: var(--text); }
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}
/* In-page anchors (e.g. home “See how it works” → #features): clear sticky nav */
section[id] {
  scroll-margin-top: 4.75rem;
}
body { min-height: 100vh; line-height: 1.6; -webkit-font-smoothing: antialiased; }
h1 { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 600; letter-spacing: -0.02em; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { color: var(--text-muted); line-height: 1.7; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
section { padding: 5rem 1.5rem; }
.container { max-width: var(--max-width); margin: 0 auto; width: 100%; }
.content { max-width: var(--content-width); margin: 0 auto; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 0.65rem 1.4rem; border-radius: var(--radius-md); font-size: 0.95rem; font-weight: 500; cursor: pointer; transition: all 0.15s ease; border: none; text-decoration: none; }
button.btn, input.btn { font-family: inherit; line-height: 1.2; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); text-decoration: none; }
.btn-secondary { background: transparent; color: var(--text); border: 1.5px solid var(--border-strong); }
.btn-secondary:hover { background: var(--bg-subtle); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--text-muted); font-size: 0.875rem; }
.btn-ghost:hover { color: var(--text); text-decoration: none; }
.btn-lg { padding: 0.85rem 1.75rem; font-size: 1rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 0.45rem 0.95rem; font-size: 0.8125rem; border-radius: var(--radius-sm); }
.btn-full { width: 100%; justify-content: center; }

.card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; }
.card-surface { background: var(--bg-surface); border-radius: var(--radius-lg); padding: 1.5rem; }
.badge { display: inline-block; font-size: 0.75rem; font-weight: 500; padding: 3px 10px; border-radius: 20px; }
.badge-success { background: #e6f4ee; color: #0f6e56; }
.badge-warning { background: #fef3e2; color: #854F0B; }
.badge-info { background: #e8f0fe; color: #185FA5; }
hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

.announcement { background: var(--bg-surface); border-bottom: 1px solid var(--border); text-align: center; font-size: 0.9rem; padding: 0.6rem 1rem; position: relative; }
#announcement-close { position: absolute; top: 50%; right: 1rem; transform: translateY(-50%); background: transparent; border: 0; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; }

.site-nav { position: sticky; top: 0; z-index: 100; backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.9); }
[data-theme="dark"] .site-nav { background: rgba(13,17,23,0.9); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 1rem; }
.logo { color: var(--text); font-weight: 700; letter-spacing: 0.05em; }
.nav-links { display: flex; gap: 1.1rem; margin-left: auto; margin-right: 1rem; }
.nav-link { color: var(--text-muted); font-size: 0.9rem; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav-link:hover { text-decoration: none; color: var(--text); }
.nav-active { color: var(--text); border-bottom-color: var(--brand); }
.nav-actions { display: flex; align-items: center; gap: 0.7rem; }
.theme-toggle { width: 36px; height: 36px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: transparent; color: var(--text); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; }
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }
.nav-hamburger { display: none; width: 36px; height: 36px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: transparent; color: var(--text); align-items: center; justify-content: center; }
.mobile-nav { display: none; }

.site-footer { background: var(--bg-surface); border-top: 1px solid var(--border); padding: 3rem 1.5rem 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 1.8rem; }
.footer-links { list-style: none; display: grid; gap: 0.35rem; margin-top: 0.8rem; }
.footer-bottom { border-top: 1px solid var(--border); margin-top: 1.8rem; padding-top: 1rem; text-align: center; }

.hero { min-height: 85vh; display: grid; align-items: center; }
.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 1.2rem; }
.trustbar { margin-top: 1.1rem; font-size: 0.9rem; color: var(--text-muted); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; }

/* --- Pricing page --- */
section.pricing-hero {
  padding: 3.25rem 1.5rem 3rem;
  text-align: center;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}
[data-theme="dark"] section.pricing-hero {
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg) 100%);
}
.pricing-hero h1 {
  margin-bottom: 0.75rem;
}
.pricing-hero-lead {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 36rem;
  margin: 0 auto 1.25rem;
  line-height: 1.65;
}
.pricing-hero-trust {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 9999px;
  box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .pricing-hero-trust {
  background: var(--bg-subtle);
}
.pricing-hero-trust svg {
  width: 1rem;
  height: 1rem;
  color: var(--success);
  flex-shrink: 0;
}

section#pricing {
  padding-top: 2.5rem;
  padding-bottom: 4rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: stretch;
}
@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.25s ease, transform 0.25s ease;
  overflow: visible;
}
.pricing-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}
[data-theme="dark"] .pricing-card:hover {
  box-shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.45);
}
.pricing-card.popular {
  border-color: var(--brand);
  background: var(--bg);
  box-shadow: 0 16px 48px -20px rgba(66, 133, 244, 0.32);
  z-index: 1;
}
[data-theme="dark"] .pricing-card.popular {
  background: var(--bg-surface);
  box-shadow: 0 16px 48px -16px rgba(79, 142, 247, 0.22);
}
.pricing-card.popular:hover {
  transform: translateY(-3px);
}

.pricing-badge {
  position: absolute;
  top: -0.7rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand);
  color: #fff;
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgba(66, 133, 244, 0.35);
  z-index: 2;
  white-space: nowrap;
}

.pricing-card-inner {
  padding: 1.75rem 1.5rem 1.5rem;
  padding-top: 1.35rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0;
  min-height: 0;
}
.pricing-card.popular .pricing-card-inner {
  padding-top: 1.65rem;
}
.pricing-card-inner h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}
.pricing-card-inner .pricing-meta:first-of-type {
  margin-top: 0;
}
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.1rem;
  margin: 1rem 0 0.35rem;
}
.pricing-currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-muted);
}
.pricing-amount {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1;
}
.pricing-meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}
.pricing-meta + .pricing-meta {
  margin-top: 0.15rem;
}

.pricing-feature-list {
  list-style: none;
  padding: 1rem 0 0;
  margin: 1rem 0 1.25rem;
  flex-grow: 1;
  border-top: 1px solid var(--border);
}
.pricing-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.55rem;
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.45;
}
.pricing-feature-list li:last-child {
  margin-bottom: 0;
}
.pricing-feature-list svg {
  width: 1rem;
  height: 1rem;
  fill: var(--success);
  flex-shrink: 0;
  margin-top: 0.2rem;
  opacity: 0.95;
}

.pricing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: auto;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: background 0.15s ease, box-shadow 0.2s ease, transform 0.15s ease;
  border: none;
  cursor: pointer;
}
.pricing-btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}
.pricing-btn-primary:hover {
  background: var(--brand-hover);
  text-decoration: none;
  box-shadow: 0 4px 14px -2px rgba(66, 133, 244, 0.45);
  transform: translateY(-1px);
}
[data-theme="dark"] .pricing-btn-primary:hover {
  box-shadow: 0 4px 14px -2px rgba(79, 142, 247, 0.35);
}
.pricing-card.popular .pricing-btn-primary {
  box-shadow: 0 2px 8px rgba(66, 133, 244, 0.25);
}
[data-theme="dark"] .pricing-card.popular .pricing-btn-primary {
  box-shadow: 0 2px 10px rgba(79, 142, 247, 0.2);
}

/* --- Login / auth --- */
.login-section {
  padding: 3rem 1.5rem 4rem;
}
.login-wrap {
  max-width: 26rem;
  margin: 0 auto;
}
.login-intro {
  text-align: center;
  margin-bottom: 1.75rem;
}
.login-intro h1 {
  margin-bottom: 0.5rem;
}
.login-intro p {
  font-size: 0.95rem;
  margin: 0;
}
.login-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .login-card {
  background: var(--bg-surface);
}
.login-error {
  color: var(--danger);
  font-size: 0.875rem;
  margin: 0 0 1rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(216, 90, 48, 0.08);
  border: 1px solid rgba(216, 90, 48, 0.25);
}
.login-form {
  margin: 0;
}
.btn-google {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 0;
  padding: 0.75rem 1.25rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.25;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
[data-theme="dark"] .btn-google {
  background: var(--bg-subtle);
  color: var(--text);
}
.btn-google:hover {
  background: var(--bg-subtle);
  border-color: var(--text-hint);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  text-decoration: none;
}
[data-theme="dark"] .btn-google:hover {
  background: var(--bg-surface);
  border-color: var(--border-strong);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.btn-google:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
.btn-google:active {
  transform: translateY(1px);
}
.btn-google-icon {
  display: inline-flex;
  flex-shrink: 0;
  line-height: 0;
}
.btn-google-icon svg {
  display: block;
}

/* --- User profile --- */
.profile-section {
  padding: 2.5rem 1.5rem 4rem;
}
.profile-inner {
  max-width: 52rem;
  margin: 0 auto;
}
.flash-banner {
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border);
}
.flash-banner p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.5;
}
.layout-flash-wrap {
  padding-top: 1rem;
}
.profile-header {
  text-align: center;
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.profile-header h1 {
  margin-bottom: 0.35rem;
}
.profile-email {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.profile-header .btn {
  margin-top: 0.25rem;
}
.profile-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.profile-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.35rem;
  text-align: left;
}
[data-theme="dark"] .profile-panel {
  background: var(--bg-subtle);
}
.profile-panel h3 {
  margin-bottom: 0.5rem;
}
.profile-panel > p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.profile-panel > p:last-child {
  margin-bottom: 0;
}
.profile-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
}
.form-input {
  flex: 1 1 10rem;
  min-width: 8rem;
  max-width: 100%;
  padding: 0.55rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  line-height: 1.35;
}
.form-input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.2);
}
[data-theme="dark"] .form-input:focus {
  box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.2);
}
.form-input[readonly] {
  background: var(--bg-subtle);
  color: var(--text-muted);
  cursor: default;
}
.profile-readonly {
  text-align: center;
  flex: 1 1 12rem;
  min-width: 10rem;
}
.profile-credit-total {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}
.profile-free-credit {
  margin-top: 0.25rem;
}
.profile-table-wrap {
  margin-top: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
}
.profile-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  text-align: left;
}
.profile-table thead th {
  padding: 0.65rem 0.85rem;
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.profile-table tbody td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}
.profile-table tbody tr:last-child td {
  border-bottom: none;
}
.profile-table .num {
  text-align: center;
  white-space: nowrap;
}
.profile-table a:hover {
  text-decoration: underline;
}

/* --- Credit detail (/user/credit_detail/) --- */
.credit-detail-section {
  padding: 2.5rem 1.5rem 4rem;
}
.credit-detail-inner {
  max-width: 52rem;
  margin: 0 auto;
}
.credit-detail-back {
  margin-bottom: 1.1rem;
  font-size: 0.9rem;
}
.credit-detail-back a {
  color: var(--text-muted);
  font-weight: 500;
}
.credit-detail-back a:hover {
  color: var(--brand);
  text-decoration: none;
}
.credit-detail-inner h1 {
  margin-bottom: 0.35rem;
}
.credit-detail-lead {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}
.credit-detail-table-wrap {
  margin-top: 0;
}
.credit-amount {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.credit-amount-debit {
  color: var(--danger);
}
.credit-amount-credit {
  color: var(--success);
}

/* --- What we offer: Free vs Premium --- */
.offer-compare {
  margin-top: 2.5rem;
}
.offer-compare > h2 {
  margin-bottom: 1rem;
}
.compare-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  box-shadow: var(--shadow-sm);
}
.compare-table {
  width: 100%;
  min-width: 18rem;
  border-collapse: collapse;
  font-size: 0.9375rem;
}
.compare-table thead th {
  padding: 0.85rem 1rem;
  font-weight: 600;
  font-size: 0.8125rem;
  text-align: center;
  color: var(--text);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}
.compare-table thead th:first-child {
  text-align: left;
  width: 44%;
}
.compare-table tbody th[scope="row"] {
  padding: 0.75rem 1rem;
  font-weight: 500;
  text-align: left;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.compare-table tbody td {
  padding: 0.75rem 1rem;
  text-align: center;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  font-variant-numeric: tabular-nums;
}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: none;
}
.compare-table tbody tr:nth-child(even) th,
.compare-table tbody tr:nth-child(even) td {
  background: var(--bg-subtle);
}
[data-theme="dark"] .compare-table tbody tr:nth-child(even) th,
[data-theme="dark"] .compare-table tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.04);
}
.compare-table tbody td.compare-col-premium {
  background: rgba(66, 133, 244, 0.06);
  color: var(--text);
  font-weight: 500;
}
[data-theme="dark"] .compare-table tbody td.compare-col-premium {
  background: rgba(79, 142, 247, 0.1);
}
.compare-table thead th.compare-col-premium {
  background: rgba(66, 133, 244, 0.08);
  color: var(--brand);
  font-weight: 700;
}
[data-theme="dark"] .compare-table thead th.compare-col-premium {
  background: rgba(79, 142, 247, 0.12);
}
.compare-check {
  color: var(--success);
  font-weight: 700;
}
.offer-compare-actions {
  margin-top: 1.5rem;
}

/* --- Pay hub (/user/pay) --- */
.pay-product-inner {
  max-width: 26rem;
}
.pay-product-inner h1 {
  margin-bottom: 0.5rem;
}
.pay-product-summary {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}
.pay-product-price {
  color: var(--text);
  font-weight: 600;
}
.pay-product-lead {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.55;
}
.pay-method-stack {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q { padding: 1.1rem 0; font-weight: 500; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; color: var(--text); }
.faq-q::-webkit-details-marker { display: none; }
.faq-chevron { transition: transform 0.2s; flex-shrink: 0; }
details[open] .faq-chevron { transform: rotate(180deg); }
.faq-a { padding: 0 0 1.1rem; color: var(--text-muted); line-height: 1.7; }
.avatar-initials { width:40px; height:40px; border-radius:50%; background:var(--bg-subtle); color:var(--brand); font-weight:600; font-size:14px; display:flex; align-items:center; justify-content:center; }

.result-card { text-align: center; padding: 3rem 2rem; border-radius: var(--radius-xl); margin-bottom: 1.5rem; }
.result-success { background: #f0faf5; border: 1px solid #b3e6d0; }
[data-theme="dark"] .result-success { background: #0d2a1f; border-color: #1a4d35; }
.result-warning { background: #fef9ec; border: 1px solid #fde89a; }
[data-theme="dark"] .result-warning { background: #2a1f00; border-color: #4d3a00; }
.result-error { background: #fff0ee; border: 1px solid #ffc4bb; }
[data-theme="dark"] .result-error { background: #2a0a08; border-color: #4d1810; }
.check-svg { width: 64px; height: 64px; margin-bottom: 1rem; }
.check-circle { fill:none; stroke: var(--success); stroke-width: 2; stroke-dasharray: 166; stroke-dashoffset: 166; animation: circle 0.6s ease forwards; }
.check-tick { fill:none; stroke: var(--success); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 48; stroke-dashoffset: 48; animation: tick 0.4s 0.5s ease forwards; }
@keyframes circle { to { stroke-dashoffset: 0; } }
@keyframes tick { to { stroke-dashoffset: 0; } }

@media (max-width: 768px) {
  section { padding: 3.5rem 1rem; }
  .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .nav-hamburger { display: inline-flex; }
  .nav-links, .nav-actions .btn { display: none; }
  .mobile-nav { display: none; position: fixed; inset: 60px 0 0; background: var(--bg); padding: 1.2rem; gap: 1rem; z-index: 99; }
  .mobile-nav.open { display: grid; align-content: start; }
}