/* SpinFit — Global Stylesheet v2
   Design language: clean editorial, BTV/Lululemon-inspired
   Palette: white surfaces, #C8102E accent, near-black type
*/

:root {
    --brand:       #C8102E;
    --brand-dark:  #a50d25;
    --ink:         #111110;
    --ink-mid:     #555552;
    --ink-soft:    #888885;
    --surface:     #f5f4f1;
    --border:      rgba(0,0,0,.10);
    --border-mid:  rgba(0,0,0,.18);
    --radius-sm:   6px;
    --radius-md:   10px;
    --radius-lg:   14px;
    --nav-h:       58px;
    --announce-h:  34px;
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'DM Sans', system-ui, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--ink);
    background: #fff;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* ─── Announcement bar ─── */
.sf-announce {
    background: var(--ink);
    color: #fff;
    font-size: 11px;
    letter-spacing: .09em;
    text-align: center;
    padding: 0 16px;
    height: var(--announce-h);
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    gap: 20px;
}
.sf-announce a { color: #fff; text-decoration: underline; }

/* ─── Navbar ─── */
.sf-nav {
    position: sticky;
    top: 0;
    z-index: 500;
    background: #fff;
    border-bottom: .5px solid var(--border);
    height: var(--nav-h);
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 0;
}
.sf-logo {
    font-size: 19px;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    margin-right: 36px;
    flex-shrink: 0;
    color: var(--ink);
}
.sf-logo span { color: var(--brand); }
.sf-nav-links {
    display: flex;
    align-items: stretch;
    flex: 1;
    height: 100%;
}
.sf-nav-link {
    display: flex;
    align-items: center;
    padding: 0 13px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--ink-mid);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: color .15s, border-color .15s;
    cursor: pointer;
}
.sf-nav-link:hover { color: var(--ink); }
.sf-nav-link.active { color: var(--brand); border-bottom-color: var(--brand); }
.sf-nav-right {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-left: auto;
    flex-shrink: 0;
}
.sf-nav-icon {
    background: none;
    border: none;
    color: var(--ink-mid);
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: .04em;
    padding: 4px;
    position: relative;
    transition: color .15s;
    text-transform: uppercase;
}
.sf-nav-icon:hover { color: var(--ink); }
.sf-cart-badge {
    position: absolute;
    top: -4px; right: -6px;
    background: var(--brand);
    color: #fff;
    border-radius: 50%;
    width: 15px; height: 15px;
    font-size: 9px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600;
}
.sf-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    border: 1px solid transparent;
    transition: background .15s, color .15s;
}
.sf-nav-btn-outline {
    border-color: var(--border-mid);
    color: var(--ink);
    background: none;
}
.sf-nav-btn-outline:hover { background: var(--surface); }
.sf-nav-btn-solid {
    background: var(--brand);
    color: #fff;
}
.sf-nav-btn-solid:hover { background: var(--brand-dark); }
.sf-hamburger {
    background: none;
    border: none;
    color: var(--ink-mid);
    display: flex;
    align-items: center;
    padding: 4px;
    transition: color .15s;
}
.sf-hamburger:hover { color: var(--ink); }

/* ─── Mega menu ─── */
.sf-mega {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: #fff;
    border-bottom: .5px solid var(--border);
    padding: 28px 40px;
    z-index: 400;
    gap: 40px;
}
.sf-mega.open { display: flex; }
.sf-mega-col { min-width: 130px; }
.sf-mega-title {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--ink-soft);
    font-weight: 500;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: .5px solid var(--border);
}
.sf-mega-link {
    display: block;
    font-size: 13px;
    color: var(--ink-mid);
    padding: 5px 0;
    transition: color .12s;
}
.sf-mega-link:hover { color: var(--brand); }
.sf-mega-promo {
    width: 160px;
    flex-shrink: 0;
}
.sf-mega-promo-img {
    width: 100%;
    aspect-ratio: 4/5;
    background: var(--surface);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    overflow: hidden;
}
.sf-mega-promo-name { font-size: 12px; font-weight: 500; margin-bottom: 2px; }
.sf-mega-promo-sub  { font-size: 11px; color: var(--ink-soft); }

/* ─── Mobile drawer ─── */
.sf-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 800;
}
.sf-overlay.open { display: block; }
.sf-drawer {
    position: fixed;
    top: 0; left: 0;
    width: 300px; height: 100%;
    background: #fff;
    z-index: 900;
    overflow-y: auto;
    border-right: .5px solid var(--border);
}
.sf-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: .5px solid var(--border);
}
.sf-drawer-head span { font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.sf-drawer-close {
    background: none; border: none;
    font-size: 22px; color: var(--ink-soft);
    line-height: 1; cursor: pointer;
}
.sf-drawer-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .04em;
    text-transform: uppercase;
    border-bottom: .5px solid var(--border);
    cursor: pointer;
    color: var(--ink);
}
.sf-drawer-item:hover { background: var(--surface); }
.sf-drawer-arrow { color: var(--ink-soft); font-size: 16px; transition: transform .2s; }
.sf-drawer-arrow.open { transform: rotate(90deg); }
.sf-drawer-sub { display: none; background: var(--surface); }
.sf-drawer-sub.open { display: block; }
.sf-drawer-sub-item {
    display: block;
    padding: 11px 32px;
    font-size: 13px;
    color: var(--ink-mid);
    border-bottom: .5px solid var(--border);
    transition: color .12s;
}
.sf-drawer-sub-item:hover { color: var(--brand); }

/* ─── Page wrapper ─── */
.sf-page { min-height: calc(100vh - var(--nav-h) - var(--announce-h)); }

/* ─── Category strip ─── */
.sf-cat-strip {
    display: flex;
    border-bottom: .5px solid var(--border);
    padding: 0 28px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.sf-cat-strip::-webkit-scrollbar { display: none; }
.sf-cat-btn {
    background: none; border: none;
    border-bottom: 2px solid transparent;
    padding: 11px 14px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .07em;
    text-transform: uppercase;
    cursor: pointer;
    white-space: nowrap;
    color: var(--ink-soft);
    font-family: inherit;
    transition: color .12s, border-color .12s;
}
.sf-cat-btn:hover { color: var(--ink); }
.sf-cat-btn.active { color: var(--brand); border-bottom-color: var(--brand); }

/* ─── Section headers ─── */
.sf-section-head {
    padding: 28px 28px 16px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}
.sf-section-title { font-size: 20px; font-weight: 500; }
.sf-section-meta  { font-size: 12px; color: var(--ink-soft); }

/* ─── Product grid ─── */
.sf-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--border);
    margin: 0 28px 40px;
    border: .5px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
@media (max-width: 768px) {
    .sf-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

/* ─── Product card ─── */
.sf-card {
    background: #fff;
    cursor: pointer;
    position: relative;
    transition: background .12s;
}
.sf-card:hover { background: var(--surface); }
.sf-card-img {
    aspect-ratio: 3/4;
    background: var(--surface);
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}
.sf-card:hover .sf-card-img { background: #ece9e4; }
.sf-card-badge {
    position: absolute; top: 10px; left: 10px;
    font-size: 9px; text-transform: uppercase; letter-spacing: .07em;
    padding: 3px 8px; border-radius: 3px; font-weight: 600;
}
.sf-badge-new  { background: var(--ink);  color: #fff; }
.sf-badge-low  { background: #92400e; color: #fef3c7; }
.sf-badge-sale { background: var(--brand); color: #fff; }
.sf-badge-out  { background: #d1d5db; color: #6b7280; }
.sf-card-body  { padding: 14px; }
.sf-card-cat   { font-size: 10px; text-transform: uppercase; letter-spacing: .09em; color: var(--ink-soft); margin-bottom: 4px; }
.sf-card-name  { font-size: 13px; font-weight: 500; line-height: 1.35; margin-bottom: 8px; }
.sf-card-foot  { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.sf-card-price { font-size: 13px; font-weight: 500; }
.sf-card-stock { font-size: 11px; }
.sf-stock-ok   { color: #15803d; }
.sf-stock-low  { color: #b45309; }
.sf-stock-out  { color: var(--ink-soft); }
/* Quick-add hover */
.sf-quick-add {
    display: none;
    position: absolute;
    bottom: 62px; left: 10px; right: 10px;
    background: #fff;
    border: .5px solid var(--border-mid);
    border-radius: var(--radius-md);
    padding: 10px;
    z-index: 10;
}
.sf-card:hover .sf-quick-add { display: block; }
.sf-quick-add-label { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin-bottom: 5px; }
.sf-quick-add-btn {
    width: 100%; background: var(--ink); color: #fff;
    border: none; border-radius: var(--radius-sm);
    padding: 8px; font-size: 11px; font-weight: 600;
    letter-spacing: .06em; text-transform: uppercase;
    font-family: inherit; cursor: pointer; transition: background .15s;
}
.sf-quick-add-btn:hover { background: var(--brand); }

/* ─── Sort row ─── */
.sf-sort-row {
    display: flex; align-items: center; gap: 10px;
    padding: 0 28px 16px; flex-wrap: wrap;
}
.sf-sort-label { font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-soft); }
.sf-sort-select {
    background: none; border: .5px solid var(--border-mid);
    border-radius: var(--radius-sm); padding: 6px 10px;
    font-size: 12px; font-family: inherit; color: var(--ink); cursor: pointer;
}
.sf-search-input {
    flex: 1; max-width: 260px;
    background: var(--surface); border: .5px solid var(--border);
    border-radius: var(--radius-sm); padding: 7px 12px;
    font-size: 13px; font-family: inherit; color: var(--ink);
    outline: none; transition: border-color .15s;
}
.sf-search-input:focus { border-color: var(--brand); }

/* ─── Product detail page ─── */
.sf-breadcrumb {
    padding: 16px 28px 0;
    display: flex; align-items: center; gap: 6px;
    font-size: 12px; color: var(--ink-soft);
}
.sf-breadcrumb a { color: var(--ink-soft); transition: color .12s; }
.sf-breadcrumb a:hover { color: var(--brand); }
.sf-breadcrumb-sep { color: var(--border-mid); }
.sf-breadcrumb-current { color: var(--ink); font-weight: 500; }
.sf-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 16px 28px 40px;
    border: .5px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
@media (max-width: 768px) {
    .sf-detail-grid { grid-template-columns: 1fr; }
}
.sf-detail-gallery {
    background: var(--surface);
    border-right: .5px solid var(--border);
    display: flex; flex-direction: column;
}
.sf-detail-main {
    flex: 1; min-height: 360px;
    display: flex; align-items: center; justify-content: center;
}
.sf-detail-thumbs {
    display: flex; gap: 0;
    border-top: .5px solid var(--border);
}
.sf-detail-thumb {
    flex: 1; aspect-ratio: 1;
    background: #fff; display: flex; align-items: center; justify-content: center;
    cursor: pointer; opacity: .45;
    border-right: .5px solid var(--border);
    transition: opacity .12s;
}
.sf-detail-thumb:last-child { border-right: none; }
.sf-detail-thumb.active, .sf-detail-thumb:hover { opacity: 1; }
.sf-detail-info { padding: 32px 28px; display: flex; flex-direction: column; }
.sf-detail-cat  { font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-soft); margin-bottom: 8px; }
.sf-detail-name { font-size: 24px; font-weight: 500; line-height: 1.2; margin-bottom: 10px; }
.sf-detail-price { font-size: 20px; font-weight: 500; margin-bottom: 20px; }
.sf-detail-divider { border: none; border-top: .5px solid var(--border); margin: 18px 0; }
.sf-detail-desc { font-size: 13px; color: var(--ink-mid); line-height: 1.75; margin-bottom: 20px; }
.sf-detail-meta-label { font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); margin-bottom: 8px; }
.sf-detail-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 20px; }
.sf-detail-tag  { font-size: 11px; border: .5px solid var(--border-mid); border-radius: var(--radius-sm); padding: 4px 10px; color: var(--ink-mid); }
.sf-detail-stock { display: flex; align-items: center; gap: 6px; font-size: 12px; margin-bottom: 16px; }
.sf-stock-dot   { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.sf-qty-row     { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.sf-qty-label   { font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-soft); }
.sf-qty-ctrl    { display: flex; align-items: center; border: .5px solid var(--border-mid); border-radius: var(--radius-sm); overflow: hidden; }
.sf-qty-btn     { background: none; border: none; width: 34px; height: 34px; font-size: 18px; color: var(--ink); display: flex; align-items: center; justify-content: center; transition: background .12s; }
.sf-qty-btn:hover { background: var(--surface); }
.sf-qty-val     { width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 500; border-left: .5px solid var(--border); border-right: .5px solid var(--border); }
.sf-add-btn {
    width: 100%; background: var(--ink); color: #fff;
    border: none; border-radius: var(--radius-md); padding: 14px 0;
    font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
    font-family: inherit; cursor: pointer; transition: background .15s; margin-bottom: 10px;
}
.sf-add-btn:hover:not(:disabled) { background: var(--brand); }
.sf-add-btn:disabled { background: #e5e7eb; color: #9ca3af; cursor: not-allowed; }
.sf-add-btn.added { background: #15803d; }
.sf-back-btn {
    width: 100%; background: none; color: var(--ink);
    border: .5px solid var(--border-mid); border-radius: var(--radius-md);
    padding: 12px 0; font-size: 12px; font-weight: 500; letter-spacing: .06em;
    text-transform: uppercase; font-family: inherit; cursor: pointer;
    transition: background .12s;
}
.sf-back-btn:hover { background: var(--surface); }
.sf-member-note { font-size: 12px; color: var(--ink-soft); margin-top: 16px; }
.sf-member-note a { color: var(--brand); }

/* ─── Related products ─── */
.sf-related { padding: 0 28px 40px; }
.sf-related-head { font-size: 15px; font-weight: 500; margin-bottom: 14px; padding-top: 8px; border-top: .5px solid var(--border); }
.sf-related-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; }
@media (max-width: 768px) { .sf-related-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
.sf-rel-card { cursor: pointer; border: .5px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: border-color .12s; }
.sf-rel-card:hover { border-color: var(--border-mid); }
.sf-rel-img  { aspect-ratio: 1; background: var(--surface); display: flex; align-items: center; justify-content: center; }
.sf-rel-body { padding: 10px; }
.sf-rel-name { font-size: 12px; font-weight: 500; margin-bottom: 2px; line-height: 1.3; }
.sf-rel-price { font-size: 12px; color: var(--ink-soft); }

/* ─── Cart / Checkout ─── */
.sf-page-inner { max-width: 960px; margin: 0 auto; padding: 28px; }
.sf-page-title  { font-size: 22px; font-weight: 500; margin-bottom: 24px; }
.sf-cart-table  { width: 100%; border-collapse: collapse; }
.sf-cart-table th { font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); padding: 10px 0; border-bottom: .5px solid var(--border); text-align: left; font-weight: 500; }
.sf-cart-table th:not(:first-child) { text-align: center; }
.sf-cart-table td { padding: 16px 0; border-bottom: .5px solid var(--border); vertical-align: middle; }
.sf-cart-table td:not(:first-child) { text-align: center; }
.sf-cart-img { width: 56px; height: 56px; background: var(--surface); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sf-cart-product { display: flex; align-items: center; gap: 14px; }
.sf-cart-name   { font-size: 13px; font-weight: 500; margin-bottom: 2px; }
.sf-cart-subcat { font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .06em; }
.sf-qty-input   { width: 60px; text-align: center; border: .5px solid var(--border-mid); border-radius: var(--radius-sm); padding: 5px; font-family: inherit; font-size: 13px; }
.sf-remove-btn  { background: none; border: none; color: var(--ink-soft); font-size: 13px; cursor: pointer; padding: 4px 8px; border-radius: var(--radius-sm); }
.sf-remove-btn:hover { color: var(--brand); background: #fef2f2; }
.sf-summary-card { background: var(--surface); border-radius: var(--radius-lg); padding: 24px; }
.sf-summary-row  { display: flex; justify-content: space-between; font-size: 13px; padding: 6px 0; color: var(--ink-mid); }
.sf-summary-divider { border: none; border-top: .5px solid var(--border-mid); margin: 10px 0; }
.sf-summary-total { display: flex; justify-content: space-between; font-size: 16px; font-weight: 500; padding: 8px 0; }
.sf-member-discount { background: #f0fdf4; border: .5px solid #86efac; border-radius: var(--radius-sm); padding: 8px 12px; font-size: 12px; color: #15803d; margin: 8px 0; }

/* ─── Auth pages ─── */
.sf-auth-wrap  { max-width: 400px; margin: 60px auto; padding: 0 20px 60px; }
.sf-auth-logo  { font-size: 22px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; text-align: center; margin-bottom: 28px; }
.sf-auth-logo span { color: var(--brand); }
.sf-auth-title { font-size: 22px; font-weight: 500; margin-bottom: 6px; }
.sf-auth-sub   { font-size: 13px; color: var(--ink-soft); margin-bottom: 28px; }
.sf-form-group { margin-bottom: 16px; }
.sf-label      { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-soft); margin-bottom: 6px; font-weight: 500; }
.sf-input {
    width: 100%; background: var(--surface); border: .5px solid var(--border);
    border-radius: var(--radius-sm); padding: 11px 14px;
    font-family: inherit; font-size: 14px; color: var(--ink);
    outline: none; transition: border-color .15s;
}
.sf-input:focus { border-color: var(--brand); background: #fff; }
.sf-input::placeholder { color: var(--ink-soft); }
.sf-form-hint  { font-size: 11px; color: var(--ink-soft); margin-top: 4px; }
.sf-submit-btn {
    width: 100%; background: var(--ink); color: #fff;
    border: none; border-radius: var(--radius-md); padding: 13px 0;
    font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
    font-family: inherit; cursor: pointer; margin-top: 6px; transition: background .15s;
}
.sf-submit-btn:hover { background: var(--brand); }
.sf-auth-divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; }
.sf-auth-divider::before, .sf-auth-divider::after { content: ''; flex: 1; height: .5px; background: var(--border); }
.sf-auth-divider span { font-size: 12px; color: var(--ink-soft); }
.sf-auth-link  { text-align: center; font-size: 13px; color: var(--ink-soft); }
.sf-auth-link a { color: var(--brand); font-weight: 500; }
.sf-alert { padding: 12px 14px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 16px; }
.sf-alert-danger  { background: #fef2f2; border: .5px solid #fca5a5; color: #991b1b; }
.sf-alert-success { background: #f0fdf4; border: .5px solid #86efac; color: #166534; }
.sf-alert-warning { background: #fffbeb; border: .5px solid #fcd34d; color: #92400e; }
.sf-alert-info    { background: #eff6ff; border: .5px solid #93c5fd; color: #1e40af; }

/* ─── Calendar ─── */
.sf-cal-wrap   { background: #fff; border: .5px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
.sf-cal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.sf-cal-header h3 { font-size: 15px; font-weight: 500; }
.sf-cal-nav    { display: flex; gap: 6px; }
.sf-cal-nav-btn {
    background: var(--surface); border: .5px solid var(--border);
    border-radius: var(--radius-sm); width: 30px; height: 30px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; cursor: pointer; color: var(--ink-mid);
    transition: background .12s, color .12s;
}
.sf-cal-nav-btn:hover { background: var(--ink); color: #fff; }
.sf-cal-table  { width: 100%; border-collapse: separate; border-spacing: 3px; }
.sf-cal-table th { text-align: center; font-size: 10px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-soft); padding: 4px 0; font-weight: 500; }
.sf-cal-table td { text-align: center; }
.cal-day {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: var(--radius-sm);
    font-size: 13px; cursor: pointer; position: relative;
    transition: background .12s;
}
.cal-day:hover { background: var(--surface); }
.cal-day.has-class { font-weight: 600; }
.cal-day.has-class::after {
    content: '';
    position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
    width: 4px; height: 4px; border-radius: 50%; background: var(--brand);
}
.cal-day.selected { background: var(--brand) !important; color: #fff; }
.cal-day.selected::after { background: #fff; }
.cal-day.today { border: 1.5px solid var(--brand); color: var(--brand); }
.cal-day.other-month { color: #d1d5db; cursor: default; }
.cal-day.other-month:hover { background: none; }

/* ─── Class list ─── */
.sf-class-item {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 16px 0; border-bottom: .5px solid var(--border);
}
.sf-class-item:last-child { border-bottom: none; }
.sf-class-time {
    min-width: 60px; text-align: center;
    background: var(--surface); border-radius: var(--radius-sm);
    padding: 8px 6px;
}
.sf-class-time-val { font-size: 16px; font-weight: 500; line-height: 1; color: var(--brand); }
.sf-class-time-dur { font-size: 10px; color: var(--ink-soft); margin-top: 2px; text-transform: uppercase; letter-spacing: .05em; }
.sf-class-info h4  { font-size: 14px; font-weight: 500; margin-bottom: 3px; }
.sf-class-info p   { font-size: 12px; color: var(--ink-soft); }
.sf-class-spots    { font-size: 11px; margin-top: 3px; }
.badge-spin { background: rgba(200,16,46,.1); color: var(--brand); font-size: 10px; padding: 2px 7px; border-radius: 3px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.badge-hiit { background: rgba(37,99,235,.1); color: #1d4ed8; font-size: 10px; padding: 2px 7px; border-radius: 3px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }

/* ─── Membership plans ─── */
.sf-plan-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; padding: 0 28px 40px; }
@media (max-width: 768px) { .sf-plan-grid { grid-template-columns: 1fr; } }
.sf-plan {
    border: .5px solid var(--border); border-radius: var(--radius-lg);
    padding: 28px; display: flex; flex-direction: column;
    transition: border-color .15s;
}
.sf-plan:hover { border-color: var(--border-mid); }
.sf-plan.featured { border: 2px solid var(--brand); position: relative; }
.sf-plan-tag {
    position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
    background: var(--brand); color: #fff; font-size: 10px; font-weight: 600;
    letter-spacing: .07em; text-transform: uppercase; padding: 3px 12px;
    border-radius: 10px; white-space: nowrap;
}
.sf-plan-name    { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-soft); margin-bottom: 10px; }
.sf-plan-price   { font-size: 42px; font-weight: 500; line-height: 1; margin-bottom: 4px; }
.sf-plan-period  { font-size: 12px; color: var(--ink-soft); margin-bottom: 20px; }
.sf-plan-feats   { list-style: none; flex: 1; margin-bottom: 22px; }
.sf-plan-feats li { font-size: 13px; color: var(--ink-mid); padding: 6px 0; border-bottom: .5px solid var(--border); display: flex; align-items: center; gap: 8px; }
.sf-plan-feats li:last-child { border-bottom: none; }
.sf-plan-feats li::before { content: ''; width: 5px; height: 5px; background: var(--brand); border-radius: 50%; flex-shrink: 0; }
.sf-plan-btn {
    width: 100%; padding: 12px; border-radius: var(--radius-md);
    font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
    font-family: inherit; cursor: pointer; transition: background .15s, color .15s;
}
.sf-plan-btn-outline { background: none; border: 1px solid var(--border-mid); color: var(--ink); }
.sf-plan-btn-outline:hover { background: var(--surface); }
.sf-plan-btn-solid  { background: var(--brand); color: #fff; border: none; }
.sf-plan-btn-solid:hover { background: var(--brand-dark); }

/* ─── Admin ─── */
.sf-admin-wrap   { padding: 24px 28px 40px; }
.sf-admin-title  { font-size: 22px; font-weight: 500; margin-bottom: 24px; }
.sf-stat-grid    { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; margin-bottom: 28px; }
@media (max-width: 768px) { .sf-stat-grid { grid-template-columns: repeat(2,1fr); } }
.sf-stat {
    background: var(--surface); border-radius: var(--radius-md); padding: 18px 20px;
}
.sf-stat-val   { font-size: 30px; font-weight: 500; line-height: 1; }
.sf-stat-label { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }
.sf-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.sf-table th { text-align: left; padding: 10px 14px; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); border-bottom: .5px solid var(--border); font-weight: 500; }
.sf-table td { padding: 12px 14px; border-bottom: .5px solid var(--border); color: var(--ink-mid); vertical-align: middle; }
.sf-table tr:last-child td { border-bottom: none; }
.sf-table tr:hover td { background: var(--surface); }
.sf-pill { display: inline-block; padding: 3px 9px; border-radius: 10px; font-size: 11px; font-weight: 500; }
.sf-pill-green  { background: #f0fdf4; color: #15803d; }
.sf-pill-amber  { background: #fffbeb; color: #92400e; }
.sf-pill-red    { background: #fef2f2; color: #991b1b; }
.sf-pill-blue   { background: #eff6ff; color: #1d4ed8; }
.sf-pill-gray   { background: #f3f4f6; color: #6b7280; }
.sf-admin-form-card { background: #fff; border: .5px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.sf-admin-form-title { font-size: 14px; font-weight: 500; margin-bottom: 18px; padding-bottom: 14px; border-bottom: .5px solid var(--border); }

/* ─── Quick links (admin) ─── */
.sf-quick-links { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; margin-bottom: 28px; }
@media (max-width: 768px) { .sf-quick-links { grid-template-columns: repeat(2,1fr); } }
.sf-ql {
    border: .5px solid var(--border); border-radius: var(--radius-lg);
    padding: 20px; text-align: center; cursor: pointer;
    transition: border-color .15s, background .15s; text-decoration: none; color: var(--ink); display: block;
}
.sf-ql:hover { border-color: var(--brand); background: #fff5f5; }
.sf-ql-icon  { font-size: 26px; margin-bottom: 8px; }
.sf-ql-label { font-size: 13px; font-weight: 500; margin-bottom: 3px; }
.sf-ql-sub   { font-size: 11px; color: var(--ink-soft); }

/* ─── Profile ─── */
.sf-profile-grid { display: grid; grid-template-columns: 280px 1fr; gap: 20px; padding: 0 28px 40px; }
@media (max-width: 768px) { .sf-profile-grid { grid-template-columns: 1fr; } }
.sf-profile-card { border: .5px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.sf-avatar {
    width: 56px; height: 56px; border-radius: 50%;
    background: #fef2f2; display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 500; color: var(--brand);
    margin-bottom: 12px;
}
.sf-profile-name  { font-size: 16px; font-weight: 500; margin-bottom: 2px; }
.sf-profile-role  { font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-soft); margin-bottom: 16px; }
.sf-profile-dl    { font-size: 13px; }
.sf-profile-dl dt { color: var(--ink-soft); margin-bottom: 2px; }
.sf-profile-dl dd { font-weight: 500; margin-bottom: 10px; }

/* ─── Hero (landing) ─── */
.sf-hero {
    background: var(--ink); color: #fff;
    padding: 72px 28px 56px; position: relative; overflow: hidden;
}
.sf-hero-badge {
    display: inline-block; background: rgba(200,16,46,.2); color: #ff8099;
    border: .5px solid rgba(200,16,46,.4); font-size: 10px; font-weight: 500;
    padding: 4px 12px; border-radius: 20px; letter-spacing: .08em;
    text-transform: uppercase; margin-bottom: 18px;
}
.sf-hero h1 {
    font-size: clamp(44px,7vw,80px); font-weight: 600;
    line-height: .95; letter-spacing: -.01em; margin-bottom: 16px;
}
.sf-hero h1 em { color: var(--brand); font-style: normal; }
.sf-hero-sub   { font-size: 15px; color: #aaa; max-width: 420px; line-height: 1.65; margin-bottom: 28px; }
.sf-hero-btns  { display: flex; gap: 12px; flex-wrap: wrap; }
.sf-hero-stats { display: flex; gap: 32px; margin-top: 48px; padding-top: 28px; border-top: .5px solid rgba(255,255,255,.12); flex-wrap: wrap; }
.sf-hero-stat-num   { font-size: 32px; font-weight: 500; line-height: 1; color: #fff; }
.sf-hero-stat-label { font-size: 11px; color: #888; margin-top: 2px; text-transform: uppercase; letter-spacing: .06em; }

/* ─── About ─── */
.sf-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 0 28px 40px; }
@media (max-width: 768px) { .sf-about-grid { grid-template-columns: 1fr; } }
.sf-instructor-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; padding: 0 28px 40px; }
@media (max-width: 768px) { .sf-instructor-grid { grid-template-columns: repeat(2,1fr); } }
.sf-instructor-card { text-align: center; border: .5px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
.sf-instructor-avatar {
    width: 64px; height: 64px; border-radius: 50%;
    background: #fef2f2; display: flex; align-items: center; justify-content: center;
    font-size: 22px; font-weight: 500; color: var(--brand);
    margin: 0 auto 10px;
}

/* ─── Footer ─── */
.sf-footer {
    background: var(--ink); color: #888;
    padding: 40px 28px 28px; margin-top: 40px;
}
.sf-footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px; margin-bottom: 28px; }
@media (max-width: 768px) { .sf-footer-grid { grid-template-columns: 1fr; } }
.sf-footer-logo { font-size: 18px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: 10px; }
.sf-footer-logo span { color: var(--brand); }
.sf-footer h6 { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: #fff; margin-bottom: 12px; font-weight: 500; }
.sf-footer a  { display: block; font-size: 13px; color: #888; margin-bottom: 6px; transition: color .12s; }
.sf-footer a:hover { color: #fff; }
.sf-footer p  { font-size: 13px; margin-bottom: 4px; }
.sf-footer-bottom { border-top: .5px solid rgba(255,255,255,.1); padding-top: 20px; text-align: center; font-size: 12px; }

/* ─── Utilities ─── */
.text-brand  { color: var(--brand); }
.bg-brand    { background: var(--brand); color: #fff; }
.fw-500      { font-weight: 500; }
.text-soft   { color: var(--ink-soft); }
.text-mid    { color: var(--ink-mid); }
.mt-0 { margin-top: 0; }

/* ─── v3 Additions ─── */

/* Cart drawer */
.sf-cart-drawer-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:700}
.sf-cart-drawer-overlay.open{display:block}
.sf-cart-drawer{position:fixed;top:0;right:0;width:400px;max-width:100vw;height:100%;background:#fff;z-index:800;display:flex;flex-direction:column;border-left:.5px solid var(--border)}
.sf-cart-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:.5px solid var(--border);flex-shrink:0}
.sf-cart-drawer-head span{font-size:14px;font-weight:500;letter-spacing:.06em;text-transform:uppercase}
.sf-cart-drawer-body{flex:1;overflow-y:auto;padding:16px}
.sf-cart-drawer-foot{padding:16px;border-top:.5px solid var(--border);flex-shrink:0;background:#fff}
.sf-drawer-item-row{display:flex;gap:12px;padding:12px 0;border-bottom:.5px solid var(--border)}
.sf-drawer-item-row:last-child{border-bottom:none}
.sf-drawer-thumb{width:56px;height:56px;background:var(--surface);border-radius:var(--radius-sm);flex-shrink:0;display:flex;align-items:center;justify-content:center}
.sf-drawer-item-info{flex:1}
.sf-drawer-item-name{font-size:13px;font-weight:500;margin-bottom:2px}
.sf-drawer-item-sub{font-size:11px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em}
.sf-drawer-item-price{font-size:13px;font-weight:500;margin-top:4px}
.sf-drawer-remove{background:none;border:none;color:var(--ink-soft);cursor:pointer;font-size:14px;padding:2px 6px;border-radius:4px}
.sf-drawer-remove:hover{color:var(--brand);background:#fef2f2}

/* Discount code input */
.sf-discount-row{display:flex;gap:8px;margin:12px 0}
.sf-discount-input{flex:1;background:var(--surface);border:.5px solid var(--border);border-radius:var(--radius-sm);padding:9px 12px;font-family:inherit;font-size:13px;color:var(--ink);outline:none;text-transform:uppercase;letter-spacing:.05em}
.sf-discount-input:focus{border-color:var(--brand)}
.sf-discount-input::placeholder{text-transform:none;letter-spacing:0}
.sf-discount-apply{background:var(--ink);color:#fff;border:none;border-radius:var(--radius-sm);padding:9px 16px;font-size:12px;font-weight:500;cursor:pointer;white-space:nowrap;font-family:inherit;letter-spacing:.05em;text-transform:uppercase}
.sf-discount-apply:hover{background:var(--brand)}
.sf-discount-success{font-size:12px;color:#15803d;padding:6px 10px;background:#f0fdf4;border-radius:var(--radius-sm);border:.5px solid #86efac}
.sf-discount-error{font-size:12px;color:#991b1b;padding:6px 10px;background:#fef2f2;border-radius:var(--radius-sm);border:.5px solid #fca5a5}

/* Password strength checker */
.sf-pw-rules{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:4px}
.sf-pw-rule{font-size:11px;color:var(--ink-soft);display:flex;align-items:center;gap:6px;transition:color .2s}
.sf-pw-rule.met{color:#15803d}
.sf-pw-rule .sf-rule-icon{width:14px;height:14px;border-radius:50%;border:1.5px solid var(--border-mid);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s}
.sf-pw-rule.met .sf-rule-icon{background:#15803d;border-color:#15803d;color:#fff}
.sf-pw-rule .sf-rule-icon svg{display:none;width:8px;height:8px}
.sf-pw-rule.met .sf-rule-icon svg{display:block}
.sf-pw-strength{height:4px;background:var(--surface);border-radius:2px;margin-top:8px;overflow:hidden}
.sf-pw-strength-bar{height:100%;border-radius:2px;transition:width .3s,background .3s;width:0}

/* Checkout steps */
.sf-steps{display:flex;align-items:center;gap:0;margin-bottom:32px;padding:0 28px}
.sf-step{display:flex;align-items:center;gap:8px;flex:1}
.sf-step:last-child{flex:0}
.sf-step-num{width:28px;height:28px;border-radius:50%;border:2px solid var(--border-mid);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:var(--ink-soft);flex-shrink:0;transition:all .2s}
.sf-step.active .sf-step-num{border-color:var(--brand);background:var(--brand);color:#fff}
.sf-step.done .sf-step-num{border-color:#15803d;background:#15803d;color:#fff}
.sf-step-label{font-size:12px;color:var(--ink-soft);font-weight:500;white-space:nowrap}
.sf-step.active .sf-step-label{color:var(--ink)}
.sf-step-line{flex:1;height:.5px;background:var(--border);margin:0 8px}

/* Payment method selector */
.sf-pay-methods{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}
.sf-pay-method{border:.5px solid var(--border-mid);border-radius:var(--radius-md);padding:14px;cursor:pointer;display:flex;align-items:center;gap:10px;transition:border-color .15s}
.sf-pay-method:hover{border-color:var(--brand)}
.sf-pay-method.selected{border:2px solid var(--brand);background:#fff5f5}
.sf-pay-method input{display:none}
.sf-pay-method-icon{width:36px;height:24px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;letter-spacing:.03em;flex-shrink:0}
.sf-pay-card{background:#1a1f71;color:#fff}
.sf-pay-apple{background:#000;color:#fff}
.sf-pay-grab{background:#00B14F;color:#fff}
.sf-pay-shopback{background:#E84D4D;color:#fff}
.sf-pay-method-label{font-size:13px;font-weight:500}

/* Welcome / member dashboard */
.sf-welcome-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;padding:0 28px 24px}
.sf-welcome-stat{background:var(--surface);border-radius:var(--radius-lg);padding:20px;border:.5px solid var(--border)}
.sf-welcome-stat-val{font-size:28px;font-weight:500;line-height:1;margin-bottom:4px}
.sf-welcome-stat-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft)}
.sf-order-tracker{display:flex;align-items:flex-start;gap:0;position:relative;padding:16px 0}
.sf-tracker-step{display:flex;flex-direction:column;align-items:center;flex:1;position:relative}
.sf-tracker-dot{width:20px;height:20px;border-radius:50%;border:2px solid var(--border-mid);background:#fff;z-index:2;display:flex;align-items:center;justify-content:center;margin-bottom:6px;transition:all .3s}
.sf-tracker-dot.done{background:#15803d;border-color:#15803d}
.sf-tracker-dot.active{background:var(--brand);border-color:var(--brand)}
.sf-tracker-dot.done svg,.sf-tracker-dot.active svg{display:block;width:10px;height:10px}
.sf-tracker-label{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);text-align:center;line-height:1.3}
.sf-tracker-label.active{color:var(--brand);font-weight:500}
.sf-tracker-label.done{color:#15803d}
.sf-tracker-line{position:absolute;top:10px;left:50%;right:-50%;height:.5px;background:var(--border);z-index:1}
.sf-tracker-step.done .sf-tracker-line{background:#15803d}
.sf-tracker-step:last-child .sf-tracker-line{display:none}

/* Admin enhanced */
.sf-admin-nav{display:flex;gap:4px;padding:0 28px;border-bottom:.5px solid var(--border);margin-bottom:24px;overflow-x:auto}
.sf-admin-tab{background:none;border:none;border-bottom:2px solid transparent;padding:12px 16px;font-size:12px;font-weight:500;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;white-space:nowrap;color:var(--ink-soft);font-family:inherit;text-decoration:none;display:flex;align-items:center;gap:6px}
.sf-admin-tab:hover{color:var(--ink)}
.sf-admin-tab.active{color:var(--brand);border-bottom-color:var(--brand)}
.sf-admin-tab .sf-tab-badge{background:var(--brand);color:#fff;border-radius:10px;padding:1px 6px;font-size:10px;font-weight:600}

/* Schedule grid */
.sf-schedule-grid{display:grid;gap:1px;background:var(--border);border:.5px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.sf-schedule-header{background:var(--surface);padding:10px 14px;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);font-weight:500}
.sf-schedule-slot{background:#fff;padding:12px 14px;cursor:pointer;transition:background .12s;min-height:60px;border-bottom:.5px solid var(--border)}
.sf-schedule-slot:hover{background:#fff5f5}
.sf-schedule-class{background:var(--brand);color:#fff;border-radius:4px;padding:4px 8px;font-size:11px;font-weight:500;margin-bottom:3px;display:inline-block}
.sf-schedule-class.hiit{background:#1d4ed8}

/* Notification badge */
.sf-notif{background:var(--brand);color:#fff;border-radius:50%;width:18px;height:18px;font-size:10px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;margin-left:4px}

/* Status timeline (order detail) */
.sf-timeline{padding:0;list-style:none;position:relative}
.sf-timeline::before{content:'';position:absolute;left:9px;top:0;bottom:0;width:.5px;background:var(--border)}
.sf-timeline li{position:relative;padding:0 0 20px 28px}
.sf-timeline li:last-child{padding-bottom:0}
.sf-tl-dot{position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:50%;border:2px solid var(--border-mid);background:#fff;display:flex;align-items:center;justify-content:center;z-index:1}
.sf-tl-dot.active{border-color:var(--brand);background:var(--brand)}
.sf-tl-dot.done{border-color:#15803d;background:#15803d}
.sf-tl-title{font-size:13px;font-weight:500;margin-bottom:2px}
.sf-tl-time{font-size:11px;color:var(--ink-soft)}

.sf-cart-btn {
    position: relative;
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
}

.sf-cart-badge {
    position: absolute;
    top: -6px;
    right: -10px;
    background: #c1272d;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border-radius: 999px;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
}

.sf-cart-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    opacity: 0;
    visibility: hidden;
    transition: 0.25s ease;
    z-index: 998;
}

.sf-cart-drawer-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sf-cart-drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 380px;
    max-width: 92vw;
    height: 100vh;
    background: #fff;
    box-shadow: -8px 0 24px rgba(0,0,0,0.12);
    transition: right 0.25s ease;
    z-index: 999;
    display: flex;
    flex-direction: column;
}

.sf-cart-drawer.active {
    right: 0;
}

.sf-cart-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 22px;
    border-bottom: 1px solid #ececec;
}

.sf-cart-drawer-head h3 {
    margin: 0;
    font-size: 22px;
}

.sf-cart-close {
    background: transparent;
    border: none;
    font-size: 30px;
    cursor: pointer;
    line-height: 1;
}

.sf-cart-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 18px 22px;
}

.sf-cart-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid #f0f0f0;
}

.sf-cart-item-name {
    font-weight: 600;
    margin-bottom: 4px;
}

.sf-cart-item-meta {
    color: #777;
    font-size: 14px;
}

.sf-cart-item-price {
    font-weight: 700;
    white-space: nowrap;
}

.sf-cart-empty {
    color: #777;
    text-align: center;
    padding: 40px 0;
}

.sf-cart-drawer-foot {
    border-top: 1px solid #ececec;
    padding: 18px 22px 22px;
}

.sf-cart-summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 16px;
}

.sf-cart-summary-note {
    color: #777;
    font-size: 13px;
    margin-bottom: 16px;
}

.sf-cart-checkout-btn {
    display: block;
    width: 100%;
    text-align: center;
    background: #000;
    color: #fff;
    text-decoration: none;
    padding: 15px 16px;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

/* =========================
   GLOBAL MOBILE RESPONSIVE
   ========================= */

html, body {
  overflow-x: hidden;
}

img, video, canvas, svg {
  max-width: 100%;
  height: auto;
}

* {
  box-sizing: border-box;
}

/* Shared page container */
.sf-page,
.sf-wrap,
.sf-container,
.sf-admin-wrap {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* =========================
   HEADER / NAV
   ========================= */

@media (max-width: 900px) {
  .sf-topbar,
  .sf-announcement,
  .sf-top-strip {
    font-size: 11px;
    line-height: 1.35;
    padding: 8px 12px;
    text-align: center;
  }

  .sf-header,
  .sf-navbar,
  .sf-nav-wrap {
    padding: 12px 16px !important;
    gap: 12px !important;
    flex-wrap: nowrap !important;
  }

  .sf-logo {
    font-size: 28px !important;
    letter-spacing: 0.08em;
    flex-shrink: 0;
  }

  .sf-nav,
  .sf-nav-links,
  .sf-menu {
    display: flex !important;
    gap: 18px !important;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 2px;
  }

  .sf-nav::-webkit-scrollbar,
  .sf-nav-links::-webkit-scrollbar,
  .sf-menu::-webkit-scrollbar {
    display: none;
  }

  .sf-nav a,
  .sf-nav-links a,
  .sf-menu a {
    font-size: 13px !important;
    flex: 0 0 auto;
  }

  .sf-header-actions,
  .sf-nav-actions {
    gap: 8px !important;
    flex-shrink: 0;
  }

  .sf-header-actions .sf-nav-btn,
  .sf-header-actions .sf-submit-btn,
  .sf-nav-actions .sf-nav-btn,
  .sf-nav-actions .sf-submit-btn {
    padding: 10px 14px !important;
    font-size: 12px !important;
  }
}

@media (max-width: 640px) {
  .sf-page,
  .sf-wrap,
  .sf-container,
  .sf-admin-wrap {
    padding-left: 16px;
    padding-right: 16px;
  }

  .sf-header,
  .sf-navbar,
  .sf-nav-wrap {
    padding: 12px 16px !important;
  }

  .sf-logo {
    font-size: 24px !important;
  }

  .sf-header-actions .sf-nav-btn,
  .sf-header-actions .sf-submit-btn,
  .sf-nav-actions .sf-nav-btn,
  .sf-nav-actions .sf-submit-btn {
    padding: 9px 12px !important;
    font-size: 11px !important;
  }
}

/* =========================
   HERO / HOME PAGE
   ========================= */

@media (max-width: 900px) {
  .sf-hero,
  .sf-home-hero {
    padding: 36px 24px !important;
    border-radius: 0 !important;
    min-height: auto !important;
  }

  .sf-hero h1,
  .sf-home-hero h1 {
    font-size: 58px !important;
    line-height: 0.98 !important;
    letter-spacing: -0.03em;
  }

  .sf-hero-sub,
  .sf-home-hero p {
    font-size: 18px !important;
    line-height: 1.7 !important;
    max-width: 100% !important;
  }

  .sf-hero-ctas,
  .sf-hero-actions {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 12px !important;
  }

  .sf-hero-ctas .sf-submit-btn,
  .sf-hero-ctas .sf-nav-btn,
  .sf-hero-actions .sf-submit-btn,
  .sf-hero-actions .sf-nav-btn {
    width: 100%;
    justify-content: center;
  }

  .sf-hero-stats,
  .sf-stats-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px !important;
  }
}

@media (max-width: 640px) {
  .sf-hero,
  .sf-home-hero {
    padding: 28px 16px 32px !important;
  }

  .sf-hero h1,
  .sf-home-hero h1 {
    font-size: 40px !important;
    line-height: 1.02 !important;
  }

  .sf-hero-sub,
  .sf-home-hero p {
    font-size: 15px !important;
  }

  .sf-hero-ctas,
  .sf-hero-actions {
    grid-template-columns: 1fr !important;
  }

  .sf-hero-stats,
  .sf-stats-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 14px !important;
  }
}

/* =========================
   SECTION TITLES / SPACING
   ========================= */

@media (max-width: 640px) {
  .sf-section-head {
    display: flex !important;
    flex-direction: column;
    align-items: flex-start !important;
    gap: 10px !important;
    margin-bottom: 18px !important;
  }

  .sf-section-title,
  h2 {
    font-size: 30px !important;
    line-height: 1.1 !important;
  }

  .sf-section-link {
    font-size: 14px !important;
  }
}

/* =========================
   CLASS CARDS / HOME CARDS
   ========================= */

@media (max-width: 900px) {
  .sf-class-grid,
  .sf-classes-grid,
  .sf-card-grid,
  .sf-grid-4 {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 16px !important;
  }
}

@media (max-width: 640px) {
  .sf-class-grid,
  .sf-classes-grid,
  .sf-card-grid,
  .sf-grid-4 {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .sf-class-card,
  .sf-card,
  .sf-classes-card {
    min-height: auto !important;
    padding: 18px !important;
    border-radius: 20px !important;
  }

  .sf-class-card h3,
  .sf-card h3 {
    font-size: 18px !important;
    line-height: 1.3 !important;
  }

  .sf-class-card p,
  .sf-card p {
    font-size: 14px !important;
    line-height: 1.7 !important;
  }
}

/* =========================
   BOOK A CLASS PAGE
   ========================= */

@media (max-width: 900px) {
  .sf-book-layout,
  .sf-schedule-layout,
  .sf-calendar-layout {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }

  .sf-calendar-card,
  .sf-availability-card,
  .sf-book-card {
    width: 100% !important;
  }
}

@media (max-width: 640px) {
  .sf-calendar-card,
  .sf-availability-card,
  .sf-book-card {
    padding: 16px !important;
    border-radius: 18px !important;
  }

  .sf-calendar-grid {
    font-size: 13px !important;
  }
}

/* =========================
   MEMBERSHIP PAGE
   ========================= */

@media (max-width: 900px) {
  .sf-membership-grid,
  .sf-plan-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 18px !important;
    max-width: 680px;
    margin: 0 auto;
  }

  .sf-membership-card,
  .sf-plan-card {
    width: 100% !important;
  }
}

@media (max-width: 640px) {
  .sf-membership-card,
  .sf-plan-card {
    padding: 20px !important;
    border-radius: 20px !important;
  }

  .sf-membership-card .price,
  .sf-plan-card .price {
    font-size: 48px !important;
  }
}

/* =========================
   ABOUT PAGE
   ========================= */

@media (max-width: 900px) {
  .sf-about-grid,
  .sf-story-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  .sf-values-grid,
  .sf-about-values {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .sf-instructors-grid,
  .sf-team-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 14px !important;
  }
}

@media (max-width: 640px) {
  .sf-instructors-grid,
  .sf-team-grid {
    grid-template-columns: 1fr !important;
  }

  .sf-about-image,
  .sf-story-image {
    min-height: 240px !important;
    border-radius: 18px !important;
  }
}

/* =========================
   SHOP PAGE
   ========================= */

@media (max-width: 900px) {
  .sf-shop-toolbar,
  .sf-shop-filters {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    align-items: stretch !important;
  }

  .sf-shop-cats,
  .sf-shop-tabs {
    display: flex !important;
    gap: 16px !important;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 2px;
  }

  .sf-shop-cats::-webkit-scrollbar,
  .sf-shop-tabs::-webkit-scrollbar {
    display: none;
  }

  .sf-products-grid,
  .sf-shop-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 16px !important;
  }
}

@media (max-width: 640px) {
  .sf-products-grid,
  .sf-shop-grid {
    grid-template-columns: 1fr !important;
  }

  .sf-product-card,
  .sf-shop-card {
    border-radius: 20px !important;
    overflow: hidden;
  }

  .sf-product-card img,
  .sf-shop-card img {
    aspect-ratio: 1 / 1;
    object-fit: cover;
  }
}

/* =========================
   PRODUCT PAGE
   ========================= */

@media (max-width: 900px) {
  .product-layout {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
  }

  .product-info-col {
    position: static !important;
  }

  .product-main-image-shell,
  .product-no-image {
    min-height: 420px !important;
    height: 420px !important;
  }

  .product-title {
    font-size: 38px !important;
  }

  .product-lower-grid,
  .product-meta-row {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 640px) {
  .product-page-wrap {
    padding: 18px 16px 48px !important;
  }

  .product-title {
    font-size: 32px !important;
  }

  .product-price {
    font-size: 24px !important;
  }

  .product-main-image-shell,
  .product-no-image {
    min-height: 320px !important;
    height: 320px !important;
    border-radius: 20px !important;
  }

  .product-thumb-btn {
    width: 64px !important;
    height: 64px !important;
  }
}

/* =========================
   FORMS / TABLES
   ========================= */

@media (max-width: 640px) {
  .sf-form-group input,
  .sf-form-group textarea,
  .sf-form-group select,
  .sf-input {
    font-size: 16px !important;
  }

  .sf-table-wrap {
    overflow-x: auto;
  }

  table.sf-table {
    min-width: 720px;
  }
}

/* =========================
   FOOTER
   ========================= */

@media (max-width: 900px) {
  .sf-footer,
  .sf-site-footer {
    padding: 32px 24px !important;
  }

  .sf-footer-grid,
  .sf-footer-inner {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
}

@media (max-width: 640px) {
  .sf-footer,
  .sf-site-footer {
    padding: 28px 16px !important;
  }

  .sf-footer-grid,
  .sf-footer-inner {
    gap: 18px !important;
  }

  .sf-footer h4,
  .sf-footer-title {
    font-size: 13px !important;
    margin-bottom: 10px !important;
  }

  .sf-footer p,
  .sf-footer a,
  .sf-footer li {
    font-size: 14px !important;
    line-height: 1.7 !important;
  }
}

/* =========================
   CLEANER MOBILE HEADER
   ========================= */

@media (max-width: 768px) {
  .sf-nav-links,
  .sf-nav {
    display: none !important;
  }

  .sf-header,
  .sf-navbar,
  .sf-nav-wrap {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 10px !important;
    padding: 14px 16px !important;
  }

  .sf-logo {
    font-size: 22px !important;
    flex-shrink: 0;
  }

  .sf-header-actions,
  .sf-nav-actions {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    flex-shrink: 0;
  }

  .sf-header-actions .sf-nav-btn,
  .sf-header-actions .sf-submit-btn,
  .sf-nav-actions .sf-nav-btn,
  .sf-nav-actions .sf-submit-btn {
    padding: 10px 12px !important;
    font-size: 11px !important;
    min-width: auto !important;
  }

  .sf-mobile-toggle,
  .sf-hamburger,
  .sf-menu-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
  }

  .sf-topbar,
  .sf-announcement,
  .sf-top-strip {
    font-size: 10px !important;
    line-height: 1.4 !important;
    padding: 6px 10px !important;
    text-align: center !important;
  }
}