/* Public Stationary Mode pages. Shared tokens match the existing guides. */
.st-page {
  --st-header-height: 76px;
  margin: 0; background: var(--ps-bg); color: var(--ps-text);
  font-family: Inter, var(--ps-font); line-height: 1.65; -webkit-font-smoothing: antialiased;
}
.st-page *, .st-page *::before, .st-page *::after { box-sizing: border-box; }
.st-page h1, .st-page h2, .st-page h3, .st-page h4 { color: var(--ps-text); line-height: 1.25; letter-spacing: -.025em; }
.st-page h1, .st-page h2 { font-family: var(--ps-font-display); }
.st-page a, .st-page button, .st-page input, .st-page summary { -webkit-tap-highlight-color: transparent; }
.st-page :focus-visible { outline: 3px solid var(--ps-brand-dark); outline-offset: 4px; }
.st-page a { text-underline-offset: 4px; }
.st-page svg { flex-shrink: 0; }
.st-page [hidden] { display: none !important; }
.st-header { position: sticky; top: 0; z-index: 40; background: #fff; border-bottom: 1px solid var(--ps-border); }
.st-header-inner { max-width: 1280px; min-height: var(--st-header-height); margin: auto; padding: 12px 32px; display: flex; align-items: center; gap: 24px; }
.st-logo { display: inline-flex; align-items: center; min-height: 44px; flex-shrink: 0; }
.st-logo img { display: block; width: 144px; height: auto; }
.st-header-context, .st-header-label { color: var(--ps-text-subtle); font-size: 13px; text-decoration: none; white-space: nowrap; }
.st-header-context { border-left: 1px solid var(--ps-border); padding-left: 24px; }
.st-header-nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.st-header-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ps-text-muted); font-size: 13px; font-weight: 500; text-decoration: none; white-space: nowrap; }
.st-header-nav a:hover { color: var(--ps-brand-dark); }
.st-header-action { margin-left: auto; flex-shrink: 0; }
.st-header-nav + .st-header-action { margin-left: 0; }
.st-button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 11px 22px; border: 1px solid transparent; border-radius: 10px; background: var(--ps-brand-dark); color: #fff; font-size: 14px; line-height: 1.4; font-weight: 600; text-align: center; text-decoration: none; cursor: pointer; transition: background 150ms, border-color 150ms; }
.st-button:hover { background: var(--ps-success-text); color: #fff; }
.st-button-secondary { background: var(--ps-surface); border-color: var(--ps-border-strong); color: var(--ps-text); }
.st-button-secondary:hover { background: var(--ps-bg-soft); border-color: var(--ps-border-hover); color: var(--ps-text); }
.st-eyebrow { margin: 0 0 18px; font-size: 11px; line-height: 1.5; letter-spacing: .14em; font-weight: 650; text-transform: uppercase; color: var(--ps-brand-dark); }
.st-muted { color: var(--ps-text-muted); }
.st-ink { color: var(--ps-text); }
.st-brand { color: var(--ps-brand-dark); }
.st-info { color: var(--ps-info-text); }
.st-danger { color: var(--ps-error-text); }
.st-warn { color: var(--ps-warn-text); }
.st-border { border-color: var(--ps-border); }
.st-brand-border { border-color: var(--ps-brand-border); }
.st-panel { background: var(--ps-bg-soft); }
.st-soft { background: var(--ps-brand-soft); }
.st-secure { display: inline-flex; align-items: center; gap: 8px; color: var(--ps-text-muted); font-size: 13px; }
.st-secure svg { color: var(--ps-brand-dark); }
.st-skip { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 12px 18px; background: #fff; color: var(--ps-brand-dark); transform: translateY(-150%); }
.st-skip:focus { transform: none; }

/* Setup guide: a readable document, with a persistent chapter index. */
.sg-layout { max-width: 1248px; margin: auto; display: grid; grid-template-columns: 232px minmax(0,1fr); gap: 64px; padding: 52px 32px 80px; align-items: start; }
.sg-sidebar { position: sticky; top: calc(var(--st-header-height) + 24px); }
.sg-contents { max-height: calc(100dvh - var(--st-header-height) - 48px); overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--ps-border) transparent; }
.sg-contents > summary { display: none; }
.sg-nav-title { color: var(--ps-text-subtle); font-size: 11px; font-weight: 650; letter-spacing: .13em; text-transform: uppercase; margin: 0 0 18px 12px; }
.sg-nav-links { display: grid; gap: 3px; }
.sg-page .nav-link { display: flex; align-items: center; gap: 12px; padding: 10px 12px; min-height: 44px; border-radius: 8px; color: var(--ps-text-muted); text-decoration: none; font-size: 12px; line-height: 1.45; font-weight: 500; }
.sg-page .nav-link span { font-size: 10px; font-variant-numeric: tabular-nums; color: var(--ps-text-subtle); }
.sg-page .nav-link:hover { background: var(--ps-bg-soft); }
.sg-page .nav-link.active { background: var(--ps-brand-soft); color: var(--ps-brand-dark); font-weight: 650; }
.sg-page .nav-link.active span { color: inherit; }
.sg-print { margin: 26px 12px 0; padding-top: 22px; border-top: 1px solid var(--ps-border); }
.sg-print button { width: 100%; font-size: 12px; min-height: 44px; }
.sg-document { min-width: 0; }
.sg-document > section { scroll-margin-top: calc(var(--st-header-height) + 28px); padding: 56px 0; border-bottom: 1px solid var(--ps-border); }
.sg-document > section:first-child { padding-top: 0; }
.sg-document > section > h2 { font-size: clamp(28px,3vw,36px); margin-bottom: 20px; font-weight: 600; }
.sg-document > section > p:not(.st-eyebrow) { max-width: 66ch; }
.sg-page .gradient-text { color: inherit; background: none; }
.sg-page .sg-hero-title { font-size: clamp(36px,4.6vw,54px); line-height: 1.08; font-weight: 600; letter-spacing: -.04em; max-width: 640px; margin: 0 0 22px; }
.sg-page .sg-lead { font-size: 17px; line-height: 1.75; color: var(--ps-text-muted); margin-bottom: 28px; }
.sg-overview { margin-bottom: 26px; padding: 20px 24px; border-left: 3px solid var(--ps-brand); background: var(--ps-bg-soft); border-radius: 0 10px 10px 0; }
.sg-overview h3 { font-size: 16px; margin: 0 0 8px; }
.sg-overview p { font-size: 14px; margin: 0; }
.sg-overview-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; margin: 0 0 30px; }
.sg-overview-grid > div { padding: 18px 0; border-top: 1px solid var(--ps-border); }
.sg-overview-grid span { font-size: 10px; color: var(--ps-text-subtle); font-variant-numeric: tabular-nums; }
.sg-overview-grid h3 { font-size: 14px; font-weight: 650; margin: 8px 0; }
.sg-overview-grid p { font-size: 12px; color: var(--ps-text-muted); margin: 0; }
.sg-page .success-box, .sg-page .tip-box, .sg-page .warning-box { padding: 22px 24px; border: 1px solid var(--ps-border); border-radius: 12px; background: var(--ps-bg-soft); }
.sg-page .success-box { background: #f4faf7; border-color: #d5e9df; }
.sg-page .warning-box { background: #fff9f2; border-color: #efdbc3; }
.sg-page .warning-box h4 { color: var(--ps-warn-text); }
.sg-page .checklist-item { display: flex; align-items: flex-start; gap: 14px; padding: 16px 18px; background: var(--ps-bg-soft); border: 1px solid var(--ps-border); border-radius: 10px; }
.sg-page .checklist-item:has(input:checked) { border-color: var(--ps-brand-border); background: var(--ps-brand-soft); }
.sg-page .checklist-item input { flex: 0 0 20px; width: 20px; height: 20px; margin-top: 3px; accent-color: var(--ps-brand-dark); cursor: pointer; }
.sg-page .checklist-item h4 { font-size: 14px; line-height: 1.5; }
.sg-page .step-number { display: flex; align-items: center; justify-content: center; flex: 0 0 36px; width: 36px; height: 36px; background: var(--ps-brand-soft); border: 1px solid var(--ps-brand-border); color: var(--ps-brand-dark); font-size: 13px; font-weight: 650; border-radius: 10px; }
.sg-page .hardware-card { border: 1px solid var(--ps-border); border-radius: 12px; padding: 24px; background: #fff; }
.sg-badge { display: inline-flex; padding: 4px 8px; border-radius: 6px; background: var(--ps-brand-soft); color: var(--ps-brand-dark); font-size: 10px; font-weight: 600; letter-spacing: .03em; }
.sg-page .code-block { padding: 18px; background: var(--ps-bg-muted); border: 1px solid var(--ps-border); border-radius: 8px; font: 12px/1.8 var(--ps-font-mono); color: var(--ps-text); overflow-x: auto; overflow-wrap: anywhere; }
.sg-page .code-block .st-brand { color: var(--ps-brand-dark); }
.sg-page .text-sm { font-size: 13px; line-height: 1.75; }
.sg-page .text-2xl { font-size: 22px; }
.sg-page .text-xl { font-size: 18px; }
.sg-page .text-lg { font-size: 16px; }
.sg-page .font-bold { font-weight: 650; }
.sg-document li { overflow-wrap: anywhere; }
.sg-help { background: var(--ps-bg-soft); border: 1px solid var(--ps-border) !important; border-radius: 16px; margin-top: 56px; padding: 32px !important; }
.sg-help .st-button { font-size: 13px; }
.sg-top { position: fixed; bottom: 20px; right: 20px; min-width: 44px; min-height: 44px; padding: 10px; background: #fff; border: 1px solid var(--ps-border); border-radius: 50%; color: var(--ps-brand-dark); box-shadow: var(--ps-shadow-md); }

/* Stationary landing and professional deployment. */
.sm-page { --accent: var(--ps-brand-dark); --text-secondary: var(--ps-text-muted); --bg-card: var(--ps-surface); }
.sm-page .hero { padding: 80px 32px; background: #f5faf7; border-bottom: 1px solid var(--ps-border); }
.sm-page .hero-container { max-width: 1184px; margin: auto; display: grid; grid-template-columns: minmax(0,1.45fr) minmax(0,1fr); column-gap: 64px; align-items: start; }
.sm-page .hero-badge, .sm-page .section-badge { font-size: 11px; text-transform: uppercase; letter-spacing: .14em; font-weight: 650; color: var(--ps-brand-dark); margin: 0 0 20px; }
.sm-page .hero-title { font-size: clamp(38px,4.4vw,62px); line-height: 1.06; font-weight: 600; letter-spacing: -.045em; margin: 0 0 24px; }
.sm-page .hero-title-accent { display: block; color: var(--ps-brand-dark); }
.sm-page .hero-subtitle { color: var(--ps-text-muted); font-size: 16px; line-height: 1.8; margin: 0 0 28px; max-width: 55ch; }
.sm-page .hero-ctas, .sm-page .cta-buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.sm-page .hero-stats { grid-column: 2; grid-row: 1 / 5; align-self: center; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.sm-page .stat-card { padding: 26px 22px; background: #fff; border: 1px solid #dce9e1; border-radius: 16px; }
.sm-page .stat-icon, .sm-page .feature-icon, .sm-page .hardware-icon { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; margin-bottom: 24px; color: var(--ps-brand-dark); background: var(--ps-brand-soft); border-radius: 10px; }
.sm-page .stat-icon svg, .sm-page .feature-icon svg, .sm-page .hardware-icon svg { width: 22px; height: 22px; stroke: currentColor; }
.sm-page .stat-value { font-size: 15px; font-weight: 650; margin-bottom: 8px; }
.sm-page .stat-label { font-size: 12px; line-height: 1.65; color: var(--ps-text-muted); }
.sm-page .section { padding: 80px 32px; scroll-margin-top: calc(var(--st-header-height) + 16px); }
.sm-page .section-alt { background: var(--ps-bg-soft); }
.sm-page .section-container { max-width: 1184px; margin: auto; }
.sm-page .section-title { font-size: clamp(30px,3.2vw,42px); font-weight: 600; margin: 0 0 18px; }
.sm-page .section-subtitle { font-size: 15px; line-height: 1.8; color: var(--ps-text-muted); max-width: 660px; margin: 0 0 36px; }
.sm-page .journey-flow { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 32px; }
.sm-page .journey-step { border-top: 1px solid var(--ps-border-strong); padding-top: 24px; }
.sm-page .journey-number, .sm-page .step-number { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: var(--ps-brand-soft); border: 1px solid var(--ps-brand-border); color: var(--ps-brand-dark); border-radius: 9px; font-size: 12px; font-weight: 600; margin-bottom: 18px; }
.sm-page .journey-title { margin: 0 0 10px; font-size: 16px; }
.sm-page .journey-desc { margin: 0; color: var(--ps-text-muted); font-size: 13px; }
.sm-page .setup-grid, .sm-page .features-grid, .sm-page .steps-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.sm-page .setup-card, .sm-page .feature-card, .sm-page .step-card { padding: 28px; border: 1px solid var(--ps-border); border-radius: 14px; background: #fff; min-width: 0; }
.sm-page .setup-card.popular { border-color: #91bda7; background: #fcfefd; }
.sm-page .setup-title, .sm-page .feature-title, .sm-page .step-title { font-size: 19px; font-weight: 650; margin: 0 0 12px; }
.sm-page .setup-subtitle, .sm-page .step-desc { font-size: 13px; color: var(--ps-text-muted); line-height: 1.8; margin: 0 0 22px; }
.sm-page .setup-list, .sm-page .feature-list { list-style: none; margin: 0; padding: 0; color: var(--ps-text-muted); font-size: 13px; }
.sm-page .setup-list li, .sm-page .feature-list li { display: flex; align-items: baseline; gap: 9px; padding: 5px 0; }
.sm-page .setup-list li::before, .sm-page .feature-list li::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--ps-brand-dark); flex-shrink: 0; }
.sm-page .setup-badge { display: inline-block; margin-top: 22px; padding: 4px 10px; border-radius: 5px; background: var(--ps-bg-muted); color: var(--ps-text-muted); font-size: 10px; font-weight: 600; }
.sm-page .popular .setup-badge { background: var(--ps-brand-soft); color: var(--ps-brand-dark); }
.sm-page .calculator { border: 1px solid var(--ps-border); border-radius: 16px; display: grid; grid-template-columns: minmax(0,1.4fr) minmax(0,1fr); overflow: hidden; }
.sm-page .calc-grid { padding: 32px; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.sm-page .calc-input-group { min-width: 0; }
.sm-page .calc-input-group label { display: block; color: var(--ps-text); font-size: 12px; font-weight: 600; margin-bottom: 10px; }
.sm-page .calc-input { width: 100%; min-height: 48px; border: 1px solid var(--ps-border-strong); border-radius: 8px; padding: 11px 14px; background: #fff; color: var(--ps-text); font: inherit; font-size: 16px; }
.sm-page .calc-hint { font-size: 11px; color: var(--ps-text-subtle); margin: 8px 0 0; }
.sm-page .calc-result { display: flex; flex-direction: column; justify-content: center; padding: 40px; background: #f0f8f3; border-left: 1px solid var(--ps-border); }
.sm-page .calc-result-label { font-size: 12px; color: var(--ps-brand-dark); margin: 0 0 12px; }
.sm-page .calc-result-value { font-family: var(--ps-font-display); font-size: clamp(40px,4vw,58px); line-height: 1.1; color: var(--ps-success-text); letter-spacing: -.04em; font-weight: 600; }
.sm-page .calc-result > p:last-child { font-size: 12px; line-height: 1.75; }
.sm-page .hardware-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.sm-page .hardware-card { display: flex; gap: 16px; align-items: flex-start; padding: 24px; border: 1px solid var(--ps-border); border-radius: 12px; background: #fff; }
.sm-page .hardware-icon { flex: 0 0 40px; margin: 0; }
.sm-page .hardware-title { font-size: 14px; font-weight: 600; margin-bottom: 5px; }
.sm-page .hardware-desc { font-size: 12px; line-height: 1.7; color: var(--ps-text-muted); }
.sm-page .step-note { font-size: 11px; color: var(--ps-brand-dark); border-top: 1px solid var(--ps-border); padding-top: 14px; }
.sm-page .faq-list { max-width: 880px; }
.sm-page .faq-item { border-top: 1px solid var(--ps-border); }
.sm-page .faq-item:last-child { border-bottom: 1px solid var(--ps-border); }
.sm-page .faq-question { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; min-height: 64px; padding: 22px 0; color: var(--ps-text); font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; }
.sm-page .faq-question::-webkit-details-marker { display: none; }
.sm-page .faq-question::after { content: '+'; font-size: 22px; font-weight: 400; color: var(--ps-brand-dark); }
.sm-page .faq-item[open] .faq-question::after { content: '\2212'; }
.sm-page .faq-answer { padding: 0 36px 24px 0; font-size: 14px; line-height: 1.8; color: var(--ps-text-muted); }
.sm-page #professional-deployment { background: #f0f7f3; border-block: 1px solid #dce9e1; }
.sm-page .pro-service { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.1fr); gap: 72px; align-items: start; }
.sm-page .pro-title { font-size: clamp(36px,4vw,52px); line-height: 1.08; font-weight: 600; margin: 0 0 24px; letter-spacing: -.035em; }
.sm-page .pro-subtitle { color: var(--ps-text-muted); font-size: 15px; line-height: 1.8; margin: 0 0 26px; max-width: 460px; }
.sm-page .pro-note { font-size: 12px; color: var(--ps-text-subtle); margin-top: 16px; }
.sm-page .pro-note a { color: var(--ps-brand-dark); }
.sm-page .pro-features { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 26px; }
.sm-page .pro-feature { padding: 22px 0; border-top: 1px solid #ccded3; display: flex; gap: 14px; }
.sm-page .pro-feature-icon { color: var(--ps-brand-dark); font-size: 11px; font-variant-numeric: tabular-nums; padding-top: 2px; }
.sm-page .pro-feature-text strong { display: block; font-size: 14px; margin-bottom: 8px; }
.sm-page .pro-feature-text span { color: var(--ps-text-muted); font-size: 12px; line-height: 1.7; display: block; }
.sm-page .cta { padding: 76px 32px; }
.sm-page .cta-container { max-width: 1184px; margin: auto; }
.sm-page .cta-title { font-size: clamp(30px,3vw,40px); font-weight: 600; margin: 0 0 18px; }
.sm-page .cta-subtitle { max-width: 600px; color: var(--ps-text-muted); font-size: 15px; margin-bottom: 26px; }
.sm-page .footer { border-top: 1px solid var(--ps-border); padding: 26px 32px; }
.sm-page .footer-text { max-width: 1184px; margin: auto; font-size: 12px; color: var(--ps-text-subtle); }
.sm-page .footer-link { color: var(--ps-text-muted); }

/* Setup payment. Amounts and payment behavior remain in the existing view. */
.sp-page { background: var(--ps-bg-soft); }
.sp-main { max-width: 1168px; margin: auto; padding: 44px 32px 72px; }
.sp-intro { margin-bottom: 34px; }
.sp-intro h1 { font-size: clamp(32px,3.2vw,42px); font-weight: 600; margin: 0 0 14px; letter-spacing: -.035em; }
.sp-intro p:last-child { margin: 0; color: var(--ps-text-muted); font-size: 14px; }
.sp-layout { display: grid; grid-template-columns: minmax(0,.95fr) minmax(0,1.05fr); gap: 32px; align-items: start; }
.sp-layout > div { min-width: 0; }
.sp-summary, .sp-form-panel { padding: 30px; background: #fff; border: 1px solid var(--ps-border); border-radius: 16px; box-shadow: var(--ps-shadow-sm); }
.sp-page h2 { font-family: Inter, var(--ps-font); font-size: 19px; font-weight: 650; margin: 0 0 24px; }
.sp-summary #booking-details > .space-y-4 { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px 24px; }
.sp-summary #booking-details > .space-y-4 > div { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.sp-summary #booking-details > .space-y-4 > div:first-child, .sp-summary #booking-details > .space-y-4 > div:nth-child(2), .sp-summary #booking-details > .space-y-4 > div:last-child { grid-column: 1 / -1; }
.sp-summary #booking-details > .space-y-4 > div > div:first-child { color: var(--ps-text-subtle); font-size: 11px; margin-bottom: 6px; }
.sp-summary #job-id { font-family: var(--ps-font-mono); font-size: 12px; font-weight: 500; letter-spacing: .025em; }
.sp-summary #course-name { font-size: 19px; font-weight: 600; line-height: 1.4; }
.sp-summary #course-location, .sp-summary #customer-email { font-size: 12px; }
.sp-page hr { border: 0; border-top: 1px solid var(--ps-border); }
.sp-page .text-sm { font-size: 12px; line-height: 1.7; }
.sp-page .font-semibold, .sp-page .font-bold { font-weight: 600; }
.sp-page .bg-gray-50 { background: var(--ps-bg-soft); }
.sp-page .sp-summary .flex.justify-between { gap: 16px; font-size: 13px; }
.sp-page .sp-summary .flex.justify-between > span:last-child { flex-shrink: 0; font-variant-numeric: tabular-nums; }
.sp-page #discount-row > span:first-child { overflow-wrap: anywhere; }
.sp-page .sp-total { padding-top: 22px; border-top: 1px solid var(--ps-border); }
.sp-page .sp-total > span:first-child { font-size: 14px; font-weight: 600; }
.sp-page .sp-total > span:last-child { font-family: var(--ps-font-display); font-size: 32px; color: var(--ps-brand-dark); letter-spacing: -.025em; font-weight: 600; }
.sp-security-note { padding: 16px 0 0; border-top: 1px solid var(--ps-border); color: var(--ps-text-muted); }
.sp-security-note svg { color: var(--ps-brand-dark); width: 18px; margin-right: 12px; }
.sp-page label { color: var(--ps-text); font-size: 12px; font-weight: 500; }
.sp-page input[type="text"] { background: #fff; border: 1px solid var(--ps-border-strong); border-radius: 8px; min-height: 50px; padding: 12px 14px; color: var(--ps-text); font: inherit; font-size: 16px; width: 100%; min-width: 0; }
.sp-page input[type="text"]::placeholder { color: var(--ps-text-subtle); }
.sp-page input[type="text"]:focus { border-color: var(--ps-brand-dark); outline: 2px solid #d1fae5; outline-offset: 1px; }
.sp-page .StripeElement { background: #fff; padding: 14px; border: 1px solid var(--ps-border-strong); border-radius: 8px; min-height: 50px; }
.sp-page .StripeElement--focus { border-color: var(--ps-brand-dark); outline: 2px solid #d1fae5; }
.sp-page .StripeElement--invalid { border-color: var(--ps-error-text); }
.sp-page #card-errors { color: var(--ps-error-text); }
.sp-page #promo-code { flex: 1 1 0; }
.sp-page #apply-promo { flex-shrink: 0; min-height: 50px; padding: 10px 18px; }
.sp-page #terms { width: 18px; height: 18px; flex: 0 0 18px; accent-color: var(--ps-brand-dark); margin-top: 3px; }
.sp-page label:has(#terms) { min-height: 44px; align-items: flex-start; }
.sp-page #terms + div { font-weight: 400; color: var(--ps-text-muted); font-size: 12px; line-height: 1.8; }
.sp-page #terms + div a { color: var(--ps-brand-dark); text-decoration: underline; }
.sp-page #submit-button { width: 100%; min-height: 54px; font-size: 15px; border-radius: 10px; }
.sp-page #button-text, .sp-page #button-spinner:not(.hidden) { display: inline-flex; align-items: center; justify-content: center; gap: 9px; }
.sp-page #button-text.hidden { display: none; }
.sp-page button:disabled, .sp-page input:disabled { opacity: .55; cursor: not-allowed; }
.sp-page #payment-error { margin-bottom: 22px; font-size: 13px; line-height: 1.7; background: var(--ps-error-bg); border: 1px solid var(--ps-error-border); color: var(--ps-error-text); }
.sp-page #payment-error svg { display: inline; vertical-align: middle; margin-right: 5px; }
.sp-page #loading { color: var(--ps-text-muted); font-size: 13px; padding: 44px 12px; }
.sp-page #loading svg { margin: 0 auto 16px; color: var(--ps-brand-dark); }
.sp-spinner { animation: sp-turn 900ms linear infinite; }
@keyframes sp-turn { to { transform: rotate(360deg); } }
.sp-page .payment-methods { margin: 22px 0 0; padding: 0; }
.sp-page .payment-icons { gap: 10px; margin-bottom: 12px; }
.sp-page .text-green-600 { color: var(--ps-brand-dark); }
.sp-page .payment-secure { color: var(--ps-text-subtle); font-size: 10px; }
.sp-help { margin-top: 24px; text-align: center; font-size: 12px; color: var(--ps-text-muted); }
.sp-help a { color: var(--ps-brand-dark); }
.sp-help strong { color: var(--ps-text); font-weight: 500; }

@media (max-width: 1100px) {
  .st-header-context { display: none; }
  .st-header-nav { gap: 18px; }
  .sg-layout { gap: 40px; grid-template-columns: 208px minmax(0,1fr); }
}
@media (max-width: 1023px) {
  .sp-main { max-width: 720px; padding-top: 32px; }
  .sp-layout { grid-template-columns: 1fr; gap: 24px; }
  .sm-page .hero-container { gap: 36px; }
  .sm-page .hero-title { font-size: 43px; }
  .sm-page .hero-stats { gap: 12px; }
  .sm-page .stat-card { padding: 20px 16px; }
  .sm-page .setup-grid, .sm-page .features-grid, .sm-page .steps-grid, .sm-page .hardware-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .sm-page .pro-service { gap: 32px; }
  .sm-page .pro-features { column-gap: 18px; }
  .sm-page .calculator { grid-template-columns: 1fr; }
  .sm-page .calc-result { border-left: 0; border-top: 1px solid var(--ps-border); }
  .sg-layout { display: block; max-width: 850px; padding-top: 24px; }
  .sg-sidebar { position: static; margin-bottom: 32px; }
  .sg-contents { max-height: none; overflow: visible; border: 1px solid var(--ps-border); border-radius: 10px; background: var(--ps-bg-soft); }
  .sg-contents > summary { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; min-height: 48px; cursor: pointer; list-style: none; font-size: 13px; font-weight: 600; }
  .sg-contents > summary::-webkit-details-marker { display: none; }
  .sg-contents > summary::after { content: '+'; color: var(--ps-brand-dark); font-size: 20px; }
  .sg-contents[open] > summary::after { content: '\2212'; }
  .sg-contents nav { padding: 0 12px 18px; }
  .sg-nav-title { display: none; }
  .sg-nav-links { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .sg-print { padding-top: 16px; margin-top: 16px; }
  .sg-print button { width: auto; }
}
@media (max-width: 767px) {
  .sm-page { --st-header-height: 116px; }
  .sm-page .st-header-inner { flex-wrap: wrap; gap: 0 12px; min-height: 0; }
  .sm-page .st-header-nav { order: 3; width: 100%; justify-content: space-between; gap: 12px; overflow-x: auto; }
  .sm-page .st-header-nav a { font-size: 12px; min-height: 44px; }
  .sm-page .st-header-action { margin-left: auto; }
  .sm-page .hero-container { display: block; }
  .sm-page .hero-stats { margin-top: 32px; }
  .sm-page .pro-service { display: block; }
  .sm-page .pro-features { margin-top: 30px; }
}
@media (max-width: 639px) {
  .st-page { --st-header-height: 68px; }
  .st-header-inner { padding: 10px 20px; gap: 12px; }
  .st-logo img { width: 128px; }
  .st-header-label { display: none; }
  .st-header-action.st-button { padding: 10px 14px; font-size: 12px; min-height: 44px; }
  .st-secure { font-size: 11px; }
  .sg-layout { padding: 20px 20px 56px; }
  .sg-nav-links { grid-template-columns: 1fr; }
  .sg-page .sg-hero-title { font-size: 38px; }
  .sg-page .sg-lead { font-size: 15px; }
  .sg-document > section { padding: 40px 0; }
  .sg-document > section > h2 { font-size: 29px; }
  .sg-overview-grid { grid-template-columns: 1fr; gap: 0; }
  .sg-overview-grid > div { padding: 14px 0; }
  .sg-overview-grid h3 { margin: 3px 0 5px; }
  .sg-page .success-box, .sg-page .tip-box, .sg-page .warning-box, .sg-overview { padding: 18px; }
  .sg-page .hardware-card { padding: 20px; }
  .sg-help { padding: 24px 20px !important; }
  .sg-page .gap-4 { gap: 12px; }
  .sg-page .pl-4 { padding-left: 12px; }
  .sm-page { --st-header-height: 108px; }
  .sm-page .st-header-nav a { font-size: 11px; }
  .sm-page .hero { padding: 42px 20px; }
  .sm-page .hero-title { font-size: 42px; }
  .sm-page .hero-subtitle { font-size: 14px; }
  .sm-page .hero-ctas { display: grid; grid-template-columns: 1fr; }
  .sm-page .stat-card { border-radius: 10px; }
  .sm-page .stat-value { font-size: 13px; }
  .sm-page .stat-label { font-size: 11px; }
  .sm-page .section, .sm-page .cta { padding: 48px 20px; }
  .sm-page .journey-flow { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
  .sm-page .setup-grid, .sm-page .features-grid, .sm-page .steps-grid, .sm-page .hardware-grid { grid-template-columns: 1fr; gap: 16px; }
  .sm-page .section-title { font-size: 32px; }
  .sm-page .section-subtitle { font-size: 14px; }
  .sm-page .calc-grid { padding: 22px; grid-template-columns: 1fr; gap: 22px; }
  .sm-page .calc-result { padding: 28px 22px; }
  .sm-page .pro-title { font-size: 39px; }
  .sm-page .pro-features { grid-template-columns: 1fr; }
  .sm-page .pro-feature { padding: 20px 0; }
  .sm-page .pro-service .st-button { width: 100%; }
  .sm-page .cta-buttons { display: grid; }
  .sp-main { padding: 28px 20px 52px; }
  .sp-intro h1 { font-size: 34px; }
  .sp-intro p:last-child { font-size: 13px; }
  .sp-intro { margin-bottom: 26px; }
  .sp-summary, .sp-form-panel { padding: 22px 20px; border-radius: 12px; }
  .sp-summary #booking-details > .space-y-4 { grid-template-columns: 1fr; gap: 18px; }
  .sp-page .sp-summary .flex.justify-between { font-size: 12px; gap: 10px; }
  .sp-page .sp-total > span:last-child { font-size: 29px; }
  .sp-page .payment-icons { flex-wrap: wrap; }
  .sp-page .ml-4 { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .st-page *, .st-page *::before, .st-page *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
@media print {
  .st-page .no-print { display: none !important; }
  .st-page { background: #fff; color: #000; }
  .sg-layout { display: block; padding: 0; }
  .sg-document { width: 100%; }
  .sg-document > section { padding: 24px 0; }
  .sg-document h2, .sg-document h3, .sg-document h4 { break-after: avoid; }
  .sg-page .checklist-item, .sg-page .hardware-card { break-inside: avoid; }
}