/* Premium styling for /size-guide. Scoped to .size-guide-page */
.size-guide-page { --sg-red: #e60000; --sg-card: #ffffff; color: var(--text-muted, #475569); background: #ffffff; }
.size-guide-page .container { max-width: 1320px; }
.size-guide-page p { line-height: 1.75; margin-bottom: 16px; }
.size-guide-page h2 { font-family: var(--font-heading); text-transform: uppercase; letter-spacing: .01em; font-size: clamp(1.7rem, 3.1vw, 2.6rem); color: var(--text-main, #0f172a); margin-bottom: 22px; font-weight: 800; }
.size-guide-page h3 { font-family: var(--font-heading); font-size: 1.3rem; color: var(--text-main, #0f172a); margin-bottom: 12px; font-weight: 700; }

/* Eyebrow */
.size-guide-page .sg-eyebrow { display: inline-flex; align-items: center; gap: .7rem; color: var(--sg-red); letter-spacing: .2em; font-size: .8rem; font-weight: 700; text-transform: uppercase; margin-bottom: 15px; }
.size-guide-page .sg-eyebrow::before { content: ""; width: 2rem; height: 2px; background: var(--sg-red); }

/* Hero */
.size-guide-page .sg-hero { position: relative; overflow: hidden; padding: 120px 0 64px; clip-path: polygon(0 0, 100% 0, 100% 97%, 0 100%); border-bottom: 1px solid var(--border, #e2e8f0); background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%); }
.size-guide-page .sg-hero .container { position: relative; z-index: 1; }
.size-guide-page .sg-hero h1 { font-family: var(--font-heading); text-transform: uppercase; letter-spacing: -.02em; font-weight: 900; color: var(--text-main, #0f172a); font-size: clamp(2.4rem, 4.5vw, 4rem); line-height: 1.08; margin-bottom: 20px; }
.size-guide-page .sg-hero h1 .text-primary { color: var(--sg-red); }
.size-guide-page .sg-lead { position: relative; padding-left: 1rem; border-left: 3px solid var(--sg-red); font-size: 1.25rem; font-weight: 600; color: var(--text-main, #0f172a); margin-bottom: 14px; }
.size-guide-page .sg-hero-copy { max-width: 740px; font-size: 1.05rem; color: var(--text-muted, #475569); }

/* Facts tiles */
.size-guide-page .sg-facts { gap: 16px; margin: 30px 0 14px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.size-guide-page .sg-facts > div { position: relative; padding: 20px 18px; border-radius: 12px; background: #ffffff; border: 1px solid var(--border, #e2e8f0); box-shadow: 0 4px 15px rgba(15,23,42,0.03); overflow: hidden; }
.size-guide-page .sg-facts > div::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px; background: var(--sg-red); }
.size-guide-page .sg-facts dt { color: var(--text-muted, #64748b); text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; font-weight: 700; margin-bottom: 6px; }
.size-guide-page .sg-facts dd { margin: 0; font-size: 1.4rem; color: var(--text-main, #0f172a); font-family: var(--font-heading); font-weight: 800; }

/* Sections */
.size-guide-page .sg-section { padding: 75px 0; }
.size-guide-page .sg-surface { background: var(--bg-surface, #f8fafc); border-top: 1px solid var(--border, #e2e8f0); border-bottom: 1px solid var(--border, #e2e8f0); }
.size-guide-page .sg-intro { max-width: 780px; color: var(--text-muted, #475569); font-size: 1.05rem; margin-bottom: 2rem; }

/* Measurement Cards Grid */
.sg-measure-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin-top: 32px; }
.sg-measure-card { position: relative; overflow: hidden; padding: 28px 24px; border-radius: 12px; background: #ffffff; border: 1px solid var(--border, #e2e8f0); box-shadow: 0 4px 15px rgba(15,23,42,0.03); transition: transform .25s ease, border-color .25s ease; }
.sg-measure-card:hover { transform: translateY(-4px); border-color: rgba(230,0,0,.3); box-shadow: 0 10px 25px rgba(15,23,42,0.06); }
.sg-measure-card::before { content: attr(data-step); position: absolute; top: 12px; right: 16px; font-family: var(--font-heading); font-size: 2.4rem; font-weight: 800; color: #f1f5f9; line-height: 1; }
.sg-measure-card h3 { font-size: 1.15rem; text-transform: uppercase; color: var(--text-main, #0f172a); font-weight: 800; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.sg-measure-card p { font-size: .9rem; line-height: 1.65; color: var(--text-muted, #475569); margin: 0; }

/* Interactive Sport Tabs */
.sg-tabs-wrapper { margin-top: 36px; }
.sg-tab-nav { display: flex; flex-wrap: wrap; gap: 10px; border-bottom: 2px solid var(--border, #e2e8f0); padding-bottom: 12px; margin-bottom: 28px; }
.sg-tab-btn { background: #ffffff; border: 1px solid var(--border, #e2e8f0); color: var(--text-main, #0f172a); padding: 12px 22px; border-radius: 8px; font-family: var(--font-heading); font-size: .95rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 700; cursor: pointer; transition: all .2s ease; display: inline-flex; align-items: center; gap: 8px; box-shadow: 0 2px 6px rgba(15,23,42,0.02); }
.sg-tab-btn:hover { background: #f8fafc; border-color: #cbd5e1; }
.sg-tab-btn.active { background: var(--sg-red); border-color: var(--sg-red); color: #ffffff; box-shadow: 0 6px 18px rgba(230,0,0,.25); }

.sg-tab-panel { display: none; }
.sg-tab-panel.active { display: block; animation: sgFadeIn .35s ease; }
@keyframes sgFadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* Unit Toggle */
.sg-unit-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; flex-wrap: wrap; gap: 12px; }
.sg-unit-title { font-size: 1.15rem; color: var(--text-main, #0f172a); font-family: var(--font-heading); text-transform: uppercase; font-weight: 800; margin: 0; }
.sg-unit-toggles { display: inline-flex; background: #f1f5f9; border: 1px solid var(--border, #e2e8f0); border-radius: 999px; padding: 4px; }
.sg-unit-toggle { background: transparent; border: 0; color: var(--text-muted, #64748b); padding: 6px 16px; border-radius: 999px; font-size: .8rem; font-weight: 700; cursor: pointer; transition: all .2s; }
.sg-unit-toggle.active { background: var(--sg-red); color: #ffffff; }

/* Tables */
.sg-table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--border, #e2e8f0); background: #ffffff; margin-bottom: 30px; box-shadow: 0 4px 15px rgba(15,23,42,0.03); }
.sg-table { width: 100%; border-collapse: collapse; min-width: 680px; text-align: left; font-size: .95rem; }
.sg-table thead th { padding: 16px 20px; color: var(--sg-red); background: #f8fafc; border-bottom: 2px solid var(--border, #e2e8f0); font-family: var(--font-heading); text-transform: uppercase; letter-spacing: .06em; font-size: .85rem; font-weight: 800; }
.sg-table tbody th { padding: 15px 20px; color: var(--text-main, #0f172a); font-weight: 700; white-space: nowrap; border-bottom: 1px solid var(--border, #e2e8f0); }
.sg-table td { padding: 15px 20px; color: var(--text-muted, #475569); line-height: 1.6; border-bottom: 1px solid var(--border, #e2e8f0); }
.sg-table tbody tr:last-child th, .sg-table tbody tr:last-child td { border-bottom: 0; }
.sg-table tbody tr:hover { background: #fef2f2; }

/* Pad Clearance Advisory Box */
.sg-advisory { padding: 24px 28px; border-radius: 12px; background: #fff5f5; border: 1px solid #fecaca; margin-top: 24px; margin-bottom: 24px; }
.sg-advisory h4 { color: var(--sg-red); font-family: var(--font-heading); text-transform: uppercase; font-size: 1.15rem; font-weight: 800; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.sg-advisory p { margin: 0; color: #475569; font-size: .95rem; line-height: 1.7; }

/* Custom Tech Pack & Services Grid */
.sg-service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 32px; }
.sg-service-card { position: relative; padding: 32px 28px; border-radius: 12px; background: #ffffff; border: 1px solid var(--border, #e2e8f0); box-shadow: 0 4px 15px rgba(15,23,42,0.03); transition: transform .25s ease, border-color .25s ease; }
.sg-service-card:hover { transform: translateY(-4px); border-color: rgba(230,0,0,.3); box-shadow: 0 10px 25px rgba(15,23,42,0.06); }
.sg-service-card h3 { text-transform: uppercase; font-size: 1.25rem; margin-bottom: 12px; color: var(--text-main, #0f172a); font-weight: 800; }
.sg-service-card p { color: var(--text-muted, #475569); line-height: 1.7; font-size: .95rem; }

/* Download CSVs Grid */
.sg-csv-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
.sg-csv-card { padding: 22px 20px; border-radius: 12px; background: #ffffff; border: 1px solid var(--border, #e2e8f0); box-shadow: 0 2px 8px rgba(15,23,42,0.02); display: flex; flex-direction: column; justify-content: space-between; text-decoration: none; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.sg-csv-card:hover { transform: translateY(-3px); border-color: var(--sg-red); box-shadow: 0 8px 20px rgba(230,0,0,.08); }
.sg-csv-card strong { color: var(--text-main, #0f172a); font-size: .95rem; margin-bottom: 6px; display: block; font-weight: 700; }
.sg-csv-card span { color: var(--text-muted, #64748b); font-size: .8rem; margin-bottom: 12px; display: block; }
.sg-csv-card em { color: var(--sg-red); font-size: .85rem; font-weight: 700; font-style: normal; text-transform: uppercase; letter-spacing: .05em; }

/* FAQ */
.sg-faq-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; row-gap: 16px; align-items: start; margin-top: 30px; }
.sg-faq-grid details { border: 1px solid var(--border, #e2e8f0); border-radius: 12px; padding: 0; background: #ffffff; box-shadow: 0 2px 10px rgba(15,23,42,0.03); transition: border-color .2s, box-shadow .2s; }
.sg-faq-grid details:hover { border-color: #cbd5e1; }
.sg-faq-grid details[open] { border-color: var(--sg-red); box-shadow: 0 8px 24px rgba(230,0,0,.08); }
.sg-faq-grid summary { cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 22px; list-style: none; }
.sg-faq-grid summary::-webkit-details-marker { display: none; }
.sg-faq-grid summary::after { content: '+'; width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: rgba(230,0,0,.08); border: 1px solid rgba(230,0,0,.2); color: var(--sg-red); font-size: 1.2rem; line-height: 1; flex-shrink: 0; font-weight: 700; }
.sg-faq-grid details[open] summary::after { content: '−'; background: var(--sg-red); color: #ffffff; }
.sg-faq-grid summary h3 { font-size: 1.05rem; line-height: 1.4; margin: 0; color: var(--text-main, #0f172a); font-weight: 700; }
.sg-faq-grid details p { margin: 0; padding: 0 22px 22px; color: var(--text-muted, #475569); font-size: .95rem; line-height: 1.7; }

/* Final CTA */
.size-guide-page .sg-final-cta { position: relative; overflow: hidden; padding: 80px 0; border-top: 1px solid var(--border, #e2e8f0); text-align: center; background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%); }
.size-guide-page .sg-final-cta .container { position: relative; }
.size-guide-page .sg-final-cta .sg-eyebrow { justify-content: center; }
.size-guide-page .sg-final-cta p { max-width: 680px; margin: 0 auto 24px; color: var(--text-muted, #475569); }
.size-guide-page .sg-final-cta .btn-primary { box-shadow: 0 8px 25px rgba(230,0,0,.25); margin-right: 18px; }

/* Responsive */
@media (max-width: 1100px) {
    .size-guide-page .sg-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sg-measure-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sg-csv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sg-service-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
    .sg-faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .size-guide-page .sg-facts { grid-template-columns: 1fr; }
    .sg-measure-grid { grid-template-columns: 1fr; }
    .sg-csv-grid { grid-template-columns: 1fr; }
    .sg-tab-btn { width: 100%; justify-content: center; }
    .size-guide-page .sg-final-cta .btn-primary { margin-right: 0; margin-bottom: 16px; }
}